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Journal articles on the topic 'Statistical copolymer'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Yang, Lei, Cheng Jie Hu, Hai Yang, and Dong Ming Qi. "Synthesis of Polystyrene-b-poly(n-butyl acrylate)-b-Polystyrene Triblock Copolymers as Binder for Pigment Dyeing." Advanced Materials Research 441 (January 2012): 473–77. http://dx.doi.org/10.4028/www.scientific.net/amr.441.473.

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Well-controlled polystyrene-b-poly (n-butyl acrylate)-b-polystyrene (PSt-b-PnBA-b-PSt) triblock copolymers were prepared by RAFT (reversible addition-fragmentation chain transfer) emulsion polymerization process. The mechanical properties of the triblock copolymers were investigated in comparison to the P(nBA-co-St) statistical copolymers. When the PSt content is 20%, the ultimate tensile strength of triblock copolymer is nearly six times the strength of statistical copolymer, while their modulus are all around 3.0×103 Pa. The triblock copolymer films feel smooth and non-tacky as the PSt conte

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2

Kotsuchibashi, Y., M. Ebara, A. S. Hoffman, R. Narain, and T. Aoyagi. "Temperature-responsive mixed core nanoparticle properties determined by the composition of statistical and block copolymers in the core." Polymer Chemistry 6, no. 10 (2015): 1693–97. http://dx.doi.org/10.1039/c4py01794c.

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Mixed core nanoparticles were prepared from self-assembled statistical and block copolymers by controlling the solution temperature. Interestingly, an equal mass of specific statistical copolymers was successfully loaded into block copolymer micelle cores.

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3

Pantelaiou, Michaila Akathi, Dimitrios Vagenas, and Stergios Pispas. "Poly(oligoethylene glycol methylether methacrylate-co-methyl methacrylate) Aggregates as Nanocarriers for Curcumin and Quercetin." Polymers 17, no. 5 (2025): 635. https://doi.org/10.3390/polym17050635.

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Amphiphilic statistical copolymers can be utilized for the formulation of nanocarriers for the drug delivery of insoluble substances. Oligoethylene glycol methylether methacrylate and methyl methacrylate are two biocompatible monomers that can be used for biological applications. In this work, the synthesis of linear poly(oligoethylene glycol methylether methacrylate-co-methyl methacrylate), P(OEGMA-co-MMA), and statistical copolymers via reversible addition fragmentation chain transfer (RAFT) polymerization is reported. P(OEGMA-co-MMA) copolymers with different comonomer compositions were syn

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4

Garcia-Rubio, L. H., and N. Ro. "Detailed copolymer characterization using ultraviolet spectroscopy." Canadian Journal of Chemistry 63, no. 1 (1985): 253–63. http://dx.doi.org/10.1139/v85-042.

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A method is demonstrated for the interpretation of the ultraviolet spectra of styrene-containing copolymers. This method is based on the use of model molecules to approximate the absorption behaviour of the known chromophores and on the statistical estimation of the average spectra of the unknown chromophores. The analysis yields directly the copolymer composition and an estimate of the background spectra which arise from the different arrangements of the styril units along the polymer chains. It is shown that reliable composition estimates are obtained for styrene – methyl methacrylate and st

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Serova, Valeriia A., Badma N. Mankaev, Milana U. Agaeva та ін. "Novel β-Benzyloxy-Substituted Copolymers of Seven-Membered Cyclic Carbonate: Ring-Opening Polymerization with L-Lactide, ε-Caprolactone and Trimethylenecarbonate". Polymers 16, № 23 (2024): 3364. https://doi.org/10.3390/polym16233364.

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To prepare novel biodegradable copolymers with functional substituents that are distributed statistically or randomly over the macromolecule chain and have improved characteristics compared to homopolymers, we conducted a series of synthetic experiments with a novel cyclic monomer, 5-(benzyloxy)-1,3-dioxepan-2-one (4). This compound was synthesized, and its homopolymer, as well as its copolymers with L-lactide, ε-caprolactone and trimethylene carbonate, were prepared in a polymerization solution with stannous octoate as the initiator. The formation of the copolymers was confirmed using NMR spe

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Ameen, Hadi Mohammed, and Rasheed Jubair Susan. "Study of Copolymerization Acrylamide with Methyl Methacrylate." International Journal of Biology and Medicine 2, no. 1 (2020): 01–09. https://doi.org/10.36811/ijbm.2020.110018.

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Copolymer of acrylamide (AM) with methyl methacrylate (MMA) was synthesized by free radical technique using dimethylsulfoxide (DMSO) as solvent and benzoyl peroxide (BPO) as initiator. The overall conversion was kept low (≤ 15% wt/wt) for all studies copolymer’s samples. The synthesized copolymers were characterized using fourier transform infrared spectroscopy (FT-IR), and their thermal properties were studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). The copolymers compositions were determined by elemental analysis. The monomer reactivity ratio

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7

Crist, Buckley. "Thermodynamics of statistical copolymer melting." Polymer 44, no. 16 (2003): 4563–72. http://dx.doi.org/10.1016/s0032-3861(03)00331-8.

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8

Gikarakis, Theodoros, Ioannis Pappas, Pothiti Arvanitaki, et al. "Thermal Stability and Kinetics of Thermal Decomposition of Statistical Copolymers of N-Vinylpyrrolidone and Alkyl Methacrylates Synthesized via RAFT Polymerization." Journal of Chemistry 2021 (March 19, 2021): 1–12. http://dx.doi.org/10.1155/2021/6633052.

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The thermal stability and the kinetics of thermal decomposition of statistical copolymers of N-vinylpyrrolidone (NVP) with the alkyl methacrylates, hexyl methacrylate (HMA) and stearyl methacrylate (SMA), were studied by Thermogravimetric Analysis (TGA) and Differential Thermogravimetry (DTG). Statistical copolymers of different compositions were studied, and their thermal decomposition behavior was compared to the corresponding homopolymers. The activation energies of the thermal decomposition were calculated using the Ozawa-Flynn-Wall, the Kissinger, and the Kissinger-Akahira-Sunose methodol

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9

Panakkal, Vyshakh M., Dominik Havlicek, Ewa Pavlova, Klara Jirakova, Daniel Jirak, and Ondrej Sedlacek. "Single-Step Synthesis of Highly Sensitive 19F MRI Tracers by Gradient Copolymerization-Induced Self-Assembly." Biomacromolecules 25, no. 12 (2024): 7543–8068. https://doi.org/10.1021/acs.biomac.4c00915.

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Amphiphilic gradient copolymers are promising alternatives to block copolymers for self-assembled nanomaterials due to their straightforward synthesis via statistical copolymerization of monomers with different reactivities and hydrophilicity. By carefully selecting monomers, nanoparticles can be synthesized in a single step through gradient copolymerization-induced self-assembly (gPISA). We synthesized highly sensitive 19F MRI nanotracers via aqueous dispersion gPISA of hydrophilic poly(ethylene glycol) methyl ether methacrylate (PEGMA) with core-forming N,N-(2,2,2-trifluoroethyl)acrylamide (

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10

Lokitz, Brad S., Jonathan E. Stempka, Adam W. York, et al. "Chiroptical Properties of Homopolymers and Block Copolymers Synthesized from the Enantiomeric Monomers N-Acryloyl-L-Alanine and N-Acryloyl-D-Alanine Using Aqueous RAFT Polymerization." Australian Journal of Chemistry 59, no. 10 (2006): 749. http://dx.doi.org/10.1071/ch06264.

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Chiral homo- and block copolymers based on the enantiomeric monomers N-acryloyl-l-alanine (ALAL) and N-acryloyl-d-alanine (ADAL) were prepared directly in water using controlled reversible addition–fragmentation chain transfer (RAFT) polymerization. The polymerization of the chiral monomers proceeded in a controlled fashion producing the respective homopolymers, block copolymers, and a statistical copolymer with targeted molecular weights and narrow molecular weight distributions. The chiroptical activity of these biomimetic polymers and their analogous model compounds was investigated using c

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11

Mahudeswaran, A., J. Vivekanandan, P. S. Vijayanand, T. Kojima, and S. Kato. "A facile synthesis of poly(aniline-co-o-bromoaniline) copolymer: Characterization and application as semiconducting material." International Journal of Modern Physics B 30, no. 05 (2016): 1650008. http://dx.doi.org/10.1142/s0217979216500089.

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Poly(aniline-co-o-bromoaniline) (p(an-co-o-BrAn)) copolymer has been synthesized using chemical oxidation method in the hydrochloric acid medium. Copolymerization of aniline with o-bromoaniline of different compositions, such as 1:1, 1:2, 2:1, 1:3 and 3:1 molar ratios were prepared. The synthesized copolymer is soluble in polar solvents like dimethyl sulphoxide (DMSO), dimethyl formamide (DMF), Tetrahydrofuran (THF) and 1-methyl 2-pyrrolidone (NMP). The copolymer is analyzed by various characterization techniques, such as FTIR, UV–Visible (UV–Vis) spectroscopy, X-ray diffraction (XRD), conduct

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12

Abbasova, L. Sh. "Preparation of copolymer of allyl ester of salicylic acid with styrene and study of its antifungal properties." Perspektivnye Materialy 4 (2022): 34–39. http://dx.doi.org/10.30791/1028-978x-2022-4-34-39.

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The reactions of radical copolymerization of the allyl ester of salicylic acid with styrene were carried out and their patterns and products were studied. The Feinemann-Ross method was used to determine the constants of the relative activity of the copolymers (r1 = 0.02 and r2 = 9.6) and the parameters of the microstructure of the obtained copolymers. It was found that with an increase in the styrene content from 10 to 90 mol. % in the initial mixture of monomers, the average length of microblocks consisting of styrene units increases from 2.07 to 87.4, the length of microblocks of allylsalicy

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13

Chowdhury, Tanaka, Nakayama, and Shiono. "Copolymerization of Norbornene and Styrene with Anilinonaphthoquinone-Ligated Nickel Complexes." Polymers 11, no. 7 (2019): 1100. http://dx.doi.org/10.3390/polym11071100.

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Poly(norbornene-co-styrene)s were synthesized by the use of anilinonaphthoquinone-ligated nickel complexes [Ni(C10H5O2NAr)(Ph)(PPh3): 1a, Ar = C6H3-2,6-iPr; 1b, Ar = C6H2-2,4,6-Me; 1c, Ar = C6H5] activated with modified methylaluminoxane (MMAO) or B(C6F5)3 in toluene. The effects of the cocatalysts were more significant than those of the nickel complexes, and MMAO gave higher activity than B(C6F5)3. The structural characterizations of the products indicated the formation of statistical norbornene copolymers. An increase of the styrene ratio in feed led to an increase in the incorporated styren

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14

MA, HUI-RU, JIAN-GUO GUAN, and RUN-ZHANG YUAN. "SELF-ASSEMBLY MORPHOLOGIES AND ELECTRORHEOLOGICAL PROPERTIES OF POLYANILINE-POLY(ETHYLENE GLYCOL)- POLYANILINE TRIBLOCK COPOLYMERS." International Journal of Modern Physics B 21, no. 28n29 (2007): 4961–66. http://dx.doi.org/10.1142/s021797920704589x.

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The self-assembly properties and ER effects of the Polyaniline-Poly(ethylene glycol)-Polyaniline (PAn-PEG-PAn) triblock copolymers were studied in this paper. The results indicate that with the increase of solubility parameter of the solvent, PAn-PEG-PAn copolymers form into different morphologies of spheriods, vesicles and rods. PAn-PEG-PAn copolymers with vesicles morphology show the highest polarization strength, while those with rods have the most rapid polarization rate. Among the PAn-PEG-PAn copolymers of different morphologies, the PAn-PEG-PAn copolymer vesicles show the strongest ER ef

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15

Nguyen, Thi Lien, Yuuki Kawata, Kazuhiko Ishihara, and Shin-ichi Yusa. "Synthesis of Amphiphilic Statistical Copolymers Bearing Methoxyethyl and Phosphorylcholine Groups and Their Self-Association Behavior in Water." Polymers 12, no. 8 (2020): 1808. http://dx.doi.org/10.3390/polym12081808.

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Biocompatible amphiphilic statistical copolymers P(MEA/MPCm) composed of 2-methoxyethyl acrylate (MEA) and 2-methacryloyloxyethyl phosphorylcholine (MPC) were prepared with three different mol% of the hydrophilic unit MPC (m = 6, 12 and 46 mol%). The monomer reactivity ratios of MEA (rMEA) and MPC (rMPC) were 0.53 and 2.21, respectively. The rMEA × rMPC value of 1.17 demonstrated that statistical copolymerization was successful. P(MEA/MPC12) and P(MEA/MPC46) copolymers did not undergo aggregation in water, whereas the P(MEA/MPC6) copolymer formed micelles in water with a hydrodynamic radius (R

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16

Xiao, Jiangang, and Jianzhong Du. "A multifunctional statistical copolymer vesicle for water remediation." Polymer Chemistry 7, no. 28 (2016): 4647–53. http://dx.doi.org/10.1039/c6py00763e.

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17

Casas-Soto, Carlos Rafael, Alain Salvador Conejo-Dávila, Velia Osuna, et al. "Dibutyl Itaconate and Lauryl Methacrylate Copolymers by Emulsion Polymerization for Development of Sustainable Pressure-Sensitive Adhesives." Polymers 14, no. 3 (2022): 632. http://dx.doi.org/10.3390/polym14030632.

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Renewable polymers possess the potential to replace monomers from petrochemical sources. The design and development of polymeric materials from sustainable materials are a technological challenge. The main objectives of this study were to study the microstructure of copolymers based on itaconic acid (IA), di-n-butyl itaconate (DBI), and lauryl methacrylate (LMA); and to explore and to evaluate these copolymers as pressure-sensitive adhesives (PSA). The copolymer synthesis was carried out through batch emulsion radical polymerization, an environmentally friendly process. IA was used in a small

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18

Ma, Jun, Chong Cheng, and Karen L. Wooley. "The Power of RAFT for Creating Polymers Having Imbedded Side-Chain Functionalities: Norbornenyl-Functionalized Polymers and their Transformations via ROMP and Thiol-ene Reactions." Australian Journal of Chemistry 62, no. 11 (2009): 1507. http://dx.doi.org/10.1071/ch09243.

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Robust, efficient and orthogonal chemistries are becoming increasingly important tools for the construction of increasingly sophisticated materials. In this article, the selectivity of reversible addition–fragmentation chain transfer (RAFT)-based radical polymerization of bifunctional monomers is exploited for the preparation of statistical and block copolymers that contain imbedded side-chain functionalities, which are then shown to exhibit two different orthogonal types of chemical reactivity to afford discrete nanoscale objects and functional derivative structures. Based on the radical reac

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19

Qureshi, Benjamin, Jordan Juritz, Jenny M. Poulton, Adrian Beersing-Vasquez, and Thomas E. Ouldridge. "A universal method for analyzing copolymer growth." Journal of Chemical Physics 158, no. 10 (2023): 104906. http://dx.doi.org/10.1063/5.0133489.

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Polymers consisting of more than one type of monomer, known as copolymers, are vital to both living and synthetic systems. Copolymerization has been studied theoretically in a number of contexts, often by considering a Markov process in which monomers are added or removed from the growing tip of a long copolymer. To date, the analysis of the most general models of this class has necessitated simulation. We present a general method for analyzing such processes without resorting to simulation. Our method can be applied to models with an arbitrary network of sub-steps prior to addition or removal

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20

SHI, ZHONG-TAO, MIN HAN, SHI-FENG ZHAO, et al. "SELF-ASSEMBLY OF SILVER NANOCLUSTERS ON TRIBLOCK COPOLYMER TEMPLATES." International Journal of Modern Physics B 19, no. 15n17 (2005): 2792–97. http://dx.doi.org/10.1142/s0217979205031717.

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Poly (styrene-b-butadiene-b-styrene) (SBS) triblock copolymer templates have been prepared by solvent-induced order-disorder phase transition method. Silver nanoclusters have been deposited onto the SBS copolymer templates by low energy clusters beam deposition (LECBD) method. The microstructures of the template and cluster deposits have been characterized by AFM with tapping-mode. It is shown that the triblock copolymers are self-assembled to form an in-plane cylinder ordered microstructure. In the case of low coverage (<50%), silver nanaoclusters deposited on the template tend to aggregat

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21

Kakhramanov, N. T., V. S. Osipchik, N. B. Arzumanova, et al. "The Effect of Mineral Fillers on the Main Physicomechanical Properties of Random Polypropylene Copolymers." International Polymer Science and Technology 45, no. 2 (2018): 59–62. http://dx.doi.org/10.1177/0307174x1804500206.

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The effect of quartz four, whiting, and cement on the physicomechanical properties of filled polymer composites based on a statistical polypropylene copolymer – random polypropylene copolymer – was investigated.

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22

SUN, PINGCHUAN, YUHUA YIN, BAOHUI LI, QINGHUA JIN, and DATONG DING. "MONTE CARLO SIMULATION OF SELF-ASSEMBLED AMPHIPHILIC DIBLOCK COPOLYMER IN SOLUTION." International Journal of Modern Physics B 17, no. 01n02 (2003): 241–44. http://dx.doi.org/10.1142/s0217979203017424.

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In this paper, Monte Carlo method is applied to simulate the process of the self-assembly of amphiphilic diblock copolymer with a series of block lengths of the insoluble and soluble blocks. Under the given simulation conditions, the diblock copolymers form spherical micelles in solution. The dependence of the core radii of spherical micelles on both block lengths is obtained and compared with experimental results of Eisenberg and coworkers.

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23

SHAO, XI, KAI YANG, and YU-QIANG MA. "A DISSIPATIVE PARTICLE DYNAMICS STUDY ON THE MORPHOLOGIES OF H-SHAPED BLOCK COPOLYMERS IN SOLVENT." International Journal of Modern Physics B 25, no. 06 (2011): 843–50. http://dx.doi.org/10.1142/s0217979211100709.

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Multicompartment micelles have advanced applications in biological and pharmaceutical fields. The self-assembly of the block copolymers with different chain architectures provides versatile and powerful routes to obtain multicompartment micelles in water. Here we apply the dissipative particle dynamics method to study the self-assembly of H-shaped triblock copolymers in a selective solvent. It is found that the H-shaped triblock copolymers can form micelles with different morphologies, such as worm-like micelles, hamburger micelles, core-shell-corona micelles, and cylinder micelles, etc. Among

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24

Sherif, M. H., E. Klemm, W. Günther, and D. Stadermann. "Photopolymerization of Exo-Methylene-1,3-Dioxolane with Bisphenol-A-Diglycidylether and Methyl Methacrylate Using Photoinitiators." Polymers and Polymer Composites 9, no. 5 (2001): 327–31. http://dx.doi.org/10.1177/096739110100900503.

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The copolymerization of 2-exo-methylene-4-phenyl, 3-dioxolane with bisphenol-A-diglycidylether and methyl methacrylate using a cationic and a radical initiator is described. The structure of the polymers is elucidated by NMR and IR spectroscopy. Using a cationic photoinitiator the dioxolane structure is maintained in the copolymer and remaining oxirane structures from the bisphenol-A-diglycidylether can be proved. Surprisingly, no complete ring-opening of the dioxolane takes place in the presence of a radical initiator leading to statistical copolymers with methyl methacrylate.

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25

Chalykh, Anatoly E., Valentina Y. Stepanenko, Tatiana F. Petrova, and Anna A. Shcherbina. "The Energy Characteristics of the Surface of Statistical Copolymers." Polymers 15, no. 8 (2023): 1939. http://dx.doi.org/10.3390/polym15081939.

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The results of systematic studies on the surface energy γ and its polar γP and dispersion γD components of statistical copolymers of styrene and butadiene, acrylonitrile and butadiene, and butyl acrylate and vinyl acetate, with regard to their thermal prehistory, are generalized. Along with copolymers, the surfaces of their composing homopolymers were examined. We obtained the energy characteristics of the adhesive surfaces of copolymers that contacted with air, high-energy aluminium Al (γ = 160 mJ/m2), and the low-energy substrate surface of polytetrafluoroethylene F4 (PTFE) (γ = 18 mJ/m2). T

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26

Tondock, Florian. "Design and Synthesis of Amphiphilic Statistical Copolymers Forming Unimeric Micelles with Thermoresponsive Behaviour in the Physiological Range." Design and Synthesis of Amphiphilic Statistical Copolymers Forming Unimeric Micelles with Thermoresponsive Behaviour in the Physiological Range 16, no. 19 (2025): 2216–31. https://doi.org/10.5281/zenodo.15019507.

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A crucial aspect of drug development is designing carriers that efficiently solubilise therapeutic agents while ensuring stability, minimising cytotoxicity, and enabling targeted delivery. Multimolecular micelles are commonly used but often destabilise under physiological conditions. This study focuses on developing stable, unimolecular carriers with high loading capacity for hydrophobic cargos. The synthesis of amphiphilic copolymers based on oligoethylene glycol acrylate (OEGA) and butyl acrylate (BA) was optimised to achieve consistent statistical comonomer incorporation for molecular

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27

Mohammed, Ameen Hadi, Tamador Ali Mahmood, Selvana Adwar Yousif, Aminu Musa, and Nerodh Nasser Dally. "Synthesis, Characterization and Reactivity Ratios of Poly Phenyl Acrylamide-Co-Methyl Methacrylate." Materials Science Forum 1002 (July 2020): 66–74. http://dx.doi.org/10.4028/www.scientific.net/msf.1002.66.

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The monomer phenyl acrylamide was synthesized by reacting acrylamide with chloro benzene in the presence of pyridine. Copolymer of phenyl acrylamide (PAM) with methyl methacrylate (MMA) was synthesized by free radical technique using dimethylsulfoxide (DMSO) as solvent and benzoyl peroxide (BPO) as initiator. The overall conversion was kept low (≤ 15% wt/wt) for all studies copolymers samples. The synthesized copolymers were characterized using fourier transform infrared spectroscopy (FT-IR), and their thermal properties were studied by thermogravimetric analysis (TGA) and differential scannin

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28

Evers, O. A., J. M. H. M. Scheutjens, and G. J. Fleer. "Statistical thermodynamics of block copolymer adsorption. 3. Interaction between adsorbed layers of block copolymers." Macromolecules 24, no. 20 (1991): 5558–66. http://dx.doi.org/10.1021/ma00020a013.

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Kashparova, Vera P., Victor A. Klushin, Veronika E. Andreeva, Nina V. Smirnova, Irina Yu Zhukova, and Ivan I. Kashparov. "2,5–FURANDICARBOXYLIC ACID DICINAMIL ETHER AND NEW COPOLYMERS ON ITS BASIS." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 63, no. 9 (2020): 4–11. http://dx.doi.org/10.6060/ivkkt.20206309.6246.

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A method for the synthesis of dicinamyl ester of 2,5-furandicarboxylic acid (DCF) a new unsaturated compound of the furan series and potential monomer for producing copolymers with various vinyl compounds and based on them a new generation of construction and ion-exchange materials has been developed. DCF does not form homopolymers as in bulk as in solution (toluene solvent). However, DCF is actively copolymerized with styrene, methyl methacrylate, methacrylic and acrylic acids to form cross-linked polymers with varying degrees of crosslinking. The copolymerization constants of DCF with all in

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Koňák, Čestmír, and Gerald Fleischer. "Dynamics of Composition Fluctuations in Statistical Copolymer Solutions." Macromolecules 30, no. 5 (1997): 1457–62. http://dx.doi.org/10.1021/ma9605309.

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Hadi Mohammed, Ameen, Mansor Bin Ahmad, and Kamyar Shameli. "Copolymerization of Tris(methoxyethoxy)vinyl Silane with N-Vinyl Pyrrolidone: Synthesis, Characterization, and Reactivity Relationships." International Journal of Polymer Science 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/219898.

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Copolymer of tris(methoxyethoxy)vinyl silane (TMEVS) with N-vinyl pyrrolidone (NVP) was synthesized by free radical polymerization in dry benzene at 70°C using benzoyl peroxide (BPO) as initiator. The copolymer was characterized by viscometer, FTIR, and1H-NMR and its thermal properties were studied by DSC and TGA. The copolymer composition was determined by elemental analysis. The monomer reactivity ratios were calculated by linearization methods proposed by Fineman-Ross and Kelen-Tudos. The intersection method was proposed by Mayo-Lewis and nonlinear method was proposed by curve-fitting proce

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Chattopadhyay, Amit Kumar, and Nimai Panja. "New oil modified acrylic polymer for pH sensitive drug release: Experimental results and statistical analysis." JOURNAL OF ADVANCES IN NATURAL SCIENCES 3, no. 1 (2015): 178–88. http://dx.doi.org/10.24297/jns.v3i1.5013.

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We report results of an experimental study, complemented by detailed statistical analysis of the experimental data, on the development of a more effective control method of drug delivery using a pH sensitive acrylic polymer. New copolymers based on acrylic acid and fatty acid are constructed from dodecyl castor oil and a tercopolymer based on methyl methacrylate, acrylic acid and acryl amide were prepared using this new approach. Water swelling characteristics of fatty acid, acrylic acid copolymer and tercopolymer respectively in acid and alkali solutions have been studied by a step-change met

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Xiao, Wenhao, Liguo Xu, Pan Liu, Yang Chen, Jie Zhang, and Jinbao Xu. "Hybrid Copolymerization of Ethylene Oxide and tert-Butyl Methacrylate with Organocatalyst." Polymers 13, no. 15 (2021): 2546. http://dx.doi.org/10.3390/polym13152546.

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Hybrid copolymerization of structurally different, reactivity and mechanism distinct monomers (e.g., cyclic and vinyl type monomers) is of great interest and challenge for both academic research and practical application. Herein, ethylene oxide-co-tert-butyl methacrylate-co-poly(ethylene glycol) benzyl methacrylate (EO-co-BMA-co-bPEO), a statistical copolymer was synthesized via hybrid copolymerization of EO and BMA using an uncharged, non-nucleophilic organobase t-BuP4 as the catalyst. Detailed characterizations indicate that hybrid copolymerization of ethylene oxide and vinyl monomer forms a

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Kanhakeaw, Patcharin, Boonjira Rutnakornpituk, Uthai Wichai, and Metha Rutnakornpituk. "Surface-Initiated Atom Transfer Radical Polymerization of Magnetite Nanoparticles with Statistical Poly(tert-butyl acrylate)-poly(poly(ethylene glycol) methyl ether methacrylate) Copolymers." Journal of Nanomaterials 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/121369.

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This work presented the surface modification of magnetite nanoparticle (MNP) with poly[(t-butyl acrylate)-stat-(poly(ethylene glycol) methyl ether methacrylate)] copolymers (P[(t-BA)-stat-PEGMA])viaa surface-initiated “grafting from” atom transfer radical polymerization (ATRP). Loading molar ratio oft-BA to PEGMA was systematically varied (100 : 0, 75 : 25, 50 : 50, and 25 : 75, resp.) such that the degree of hydrophilicity of the copolymers, affecting the particle dispersibility in water, can be fine-tuned. The reaction progress in each step of the synthesis was monitoredviaFourier transform

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Xie, Hankun, Yili Liu, Ming Jiang, and Tongyin Yu. "Phase separation in polymer blends comprising copolymers: 7. Statistical theory of block copolymer-homopolymer systems." Polymer 27, no. 12 (1986): 1928–34. http://dx.doi.org/10.1016/0032-3861(86)90184-9.

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Cunningham, V. J., L. P. D. Ratcliffe, A. Blanazs, et al. "Tuning the critical gelation temperature of thermo-responsive diblock copolymer worm gels." Polym. Chem. 5, no. 21 (2014): 6307–17. http://dx.doi.org/10.1039/c4py00856a.

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37

Mikhailova, T. A., and S. A. Mustafina. "Computer modeling of the synthesis of styrene–butadiene rubber: Influence of the feed of a chain transfer agent on the characteristics of the product." Fine Chemical Technologies 19, no. 6 (2025): 564–55. https://doi.org/10.32362/2410-6593-2024-19-6-555-564.

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Objectives. To develop mathematical approaches and algorithms for analyzing the influence of various methods for feeding a chain transfer agent to a cascade of reactors, taking into account the choice of feed points on the characteristics of the final product of copolymerization using computer modeling.Methods. The processes of synthesis of copolymers were mathematically modeled using a statistical approach (Monte Carlo method). The developed algorithm is based on calculating the probabilities of elementary reactions in the process under study. In the case of continuous production of the copol

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Bonda, Lorand, Janita Müller, Lukas Fischer, et al. "Facile Synthesis of Catechol-Containing Polyacrylamide Copolymers: Synergistic Effects of Amine, Amide and Catechol Residues in Mussel-Inspired Adhesives." Polymers 15, no. 18 (2023): 3663. http://dx.doi.org/10.3390/polym15183663.

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The straightforward synthesis of polyamide-derived statistical copolymers with catechol, amine, amide and hydroxy residues via free radical polymerization is presented. In particular, catechol, amine and amide residues are present in natural mussel foot proteins, enabling strong underwater adhesion due to synergistic effects where cationic residues displace hydration and ion layers, followed by strong short-rang hydrogen bonding between the catechol or primary amides and SiO2 surfaces. The present study is aimed at investigating whether such synergistic effects also exist for statistical copol

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Triantafyllopoulou, Efstathia, Diego Romano Perinelli, Aleksander Forys, et al. "Unveiling the Performance of Co-Assembled Hybrid Nanocarriers: Moving towards the Formation of a Multifunctional Lipid/Random Copolymer Nanoplatform." Pharmaceutics 16, no. 9 (2024): 1204. http://dx.doi.org/10.3390/pharmaceutics16091204.

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Despite the appealing properties of random copolymers, the use of these biomaterials in association with phospholipids is still limited, as several aspects of their performance have not been investigated. The aim of this work is the formulation of lipid/random copolymer platforms and the comprehensive study of their features by multiple advanced characterization techniques. Both biomaterials are amphiphilic, including two phospholipids (1,2-dioctadecanoyl-sn-glycero-3-phosphocholine (DSPC), 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC)) and a statistical copolymer of oligo (ethylene glycol)

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Kozlov, A. V., I. Yu Gorbunova, M. L. Kerber, S. N. Filatov, and V. V. Kireev. "Investigating the Tensile Behaviour of Blends of Polypropylene and a Statistical Copolymer of Propylene and Ethylene." International Polymer Science and Technology 44, no. 1 (2017): 31–34. http://dx.doi.org/10.1177/0307174x1704400106.

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Lowack, K., H. Ahrens, N. Detzer, J. Krägel, and C. A. Helm. "Characterizing the Glassy Phase of a Statistical Copolymer Monolayer." Langmuir 15, no. 5 (1999): 1777–83. http://dx.doi.org/10.1021/la980920j.

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Lee, Sang-Ho, Bruce M. Hasch, and Mark A. McHugh. "Calculating copolymer solution behavior with statistical associating fluid theory." Fluid Phase Equilibria 117, no. 1-2 (1996): 61–68. http://dx.doi.org/10.1016/0378-3812(95)02937-0.

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Saby-Dubreuil, A. C., B. Guerrier, C. Allain, and D. Johannsmann. "Glass transition induced by solvent desorption for statistical MMA/ n BMA copolymers — Influence of copolymer composition." Polymer 42, no. 4 (2001): 1383–91. http://dx.doi.org/10.1016/s0032-3861(00)00539-5.

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Paulsen, Bryan D., Joshua C. Speros, Megan S. Claflin, Marc A. Hillmyer, and C. Daniel Frisbie. "Tuning of HOMO energy levels and open circuit voltages in solar cells based on statistical copolymers prepared by ADMET polymerization." Polym. Chem. 5, no. 21 (2014): 6287–94. http://dx.doi.org/10.1039/c4py00832d.

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Lee, Donghui, Yunji Jung, Myeongjin Ha, Hyungju Ahn, Keun Hyung Lee, and Myungeun Seo. "High-conductivity electrolyte gate dielectrics based on poly(styrene-co-methyl methacrylate)/ionic liquid." Journal of Materials Chemistry C 7, no. 23 (2019): 6950–55. http://dx.doi.org/10.1039/c9tc01610d.

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Scamporrino, Andrea A., Concetto Puglisi, Angela Spina, et al. "Synthesis and Characterization of Copoly(Ether Sulfone)s with Different Percentages of Diphenolic Acid Units." Polymers 12, no. 8 (2020): 1817. http://dx.doi.org/10.3390/polym12081817.

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New functionalized Poly(ether sulfone)s having different molar ratio (10, 20, 30, 50, 70, 100 mol%) of 4,4-bis phenoxy pentanoic acid unit (diphenolic acid; DPA) units were synthesized and characterized by (1H and 13C)-NMR, MALDI-TOF MS, FT-IR, DSC and DMA analyses. The microstructural analysis of the copolymers, obtained by 13C-NMR using an appropriate statistical model, shows a random distribution of copolymer sequences, as expected. The presence of different amount of DPA units along the polymer chains affects the chemical and physical properties of the copolymers. The Tg and the contact an

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Kavaliauskaite, Marija, Medeina Steponaviciute, Justina Kievisaite, Arturas Katelnikovas, and Vaidas Klimkevicius. "Synthesis and Study of Thermoresponsive Amphiphilic Copolymers via RAFT Polymerization." Polymers 14, no. 2 (2022): 229. http://dx.doi.org/10.3390/polym14020229.

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Synthesis and study of well-defined thermoresponsive amphiphilic copolymers with various compositions were reported. Kinetics of the reversible addition-fragmentation chain transfer (RAFT) (co)polymerization of styrene (St) and oligo(ethylene glycol) methyl ether methacrylate (PEO5MEMA) was studied by size exclusion chromatography (SEC) and 1H NMR spectroscopy, which allows calculating not only (co)polymerization parameters but also gives valuable information on RAFT (co)polymerization kinetics, process control, and chain propagation. Molecular weight Mn and dispersity Đ of the copolymers were

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Koňák, Čestmír, Zdeněk Tuzar, Pavla Kopečková, Joseph D. Andrade та Jindřich Kopeček. "Association of Graft Copolymers of Alkyl Methacrylates with α-Methyl-ω-hydroxy-poly(oxyethylene) ethacrylates". Collection of Czechoslovak Chemical Communications 60, № 11 (1995): 1971–85. http://dx.doi.org/10.1135/cccc19951971.

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Solution properties of the statistical copolymers of alkyl methacrylates (AMA) with α-methyl-ω-hydroxy-poly(oxyethylene) methacrylates (MPOEMA) (nonionic polysoaps) were studied using static and dynamic ligh scattering as a function of monomer composition and concentration in aqueous and methyl cellosolve solutions. The solubility of the copolymers in water was found to be dependent on molar contant of AMA. While copolymers with low content of hexyl methacrylate (HMA) (0 and 20 mole %) were directly soluble in water, forming true solutions with a low content of large swollen aggregates, copoly

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Lapp, A., J. P. Cotton, and G. Jannink. "Synthesis and test of a statistical copolymer — the furtive chain." Polymer 34, no. 15 (1993): 3302–4. http://dx.doi.org/10.1016/0032-3861(93)90406-z.

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Bakauova, Z. H., E. A. Bekturov, and S. V. Bereza. "Properties of vinylpyrrolidone-methyl methacrylate statistical copolymer in mixed solvents." Journal of Polymer Science Part C: Polymer Symposia 39, no. 1 (2007): 159–68. http://dx.doi.org/10.1002/polc.5070390114.

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