Academic literature on the topic 'Vinyl'

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Journal articles on the topic "Vinyl"

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Wibowo, Heru Budi. "ISOMERISASI POLIMER MELALUI REAKSI SAIN SAYEF UNTUK MENGUBAH KONFIGURASI HTPB (HYDROXYL TERMINATED POLYBUTADIENE) POLYMER ISOMERIZATION BY SAIN SAYEF REACTION TO MODIFY CONFIGURATION OF HTPB (HYDROXYL TERMINATED POLYBUTADIENE)." Jurnal Teknologi Dirgantara 14, no. 2 (July 21, 2017): 137. http://dx.doi.org/10.30536/j.jtd.2016.v14.a2387.

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One of the problems in the synthesis of Hydroxyl Terminated Polybutadiene for propellant binders is the level of vinyl is high (up to 30%), while the desired product is 20%. Vinyl bond can be reduced if the chain can be broken with the addition of a hydroxyl group. The research objective is to reduce the amount of vinyl structure in HTPB with the addition of double bonds in the vinyl by applying Sayef Sain reaction. HTPB is reacted with concentrated hydrogen peroxide with the Sain Sayef catalyst in the 1 liter autoclave reactor with ethanol for 1-3 hours at 100° C. After being purified by extraction in hot water and drying, it is analyzed by an infrared spectrometer. The result shows that there is a change in the concentrations of vinyl within the polymers produced by observing the absorption of vinyl groups at a wavelength of 690cm-1. Optimal results obtained with vinyl content of 20% with a temperature of 100° C for 90 minutes. In general, the quality of HTPB can be increased by reducing the levels of vinyl which allowing the HTPB composition to have a vinyl content reduced to 19%. Abstrak:Salah satu permasalahan dalam sintesis Hydroxyl Terminated Polybutadiene untuk binder propelan adalah masih tingginya kadar vinil (sampai dengan 30%), sedangkan produk yang diinginkan adalah 20%. Ikatan vinil dapat direduksi jika dapat dipecah rantainya dengan adisi gugus hidroksil. Tujuan penelitian adalah mereduksi jumlah struktur vinil dalam HTPB dengan adisi ikatan rangkap dalam vinil dengan menerapkan reaksi Sain Sayef. HTPB direaksikan dengan hydrogen peroksida pekat dengan katalis Sain Sayef dalam reaktor autoklaf 1 liter dengan pelarut etanol selama 1-3 jam pada suhu 100 °C. Setelah dimurnikan dengan ekstraksi dalam air panas dan pengeringan dari air, dianalisis dengan spectrometer infra merah. Hasil pengujian menunjukkan bahwa terjadi perubahan konsentrasi kandungan vinil dalam polimer yang dihasilkan dengan pengamatan serapan gugus vinil pada panjang gelombang 690 cm-1. Hasil optimal diperoleh dengan kadar vinil 20% dengan suhu 100 °C selama 90 menit. Secara umum, kualitas HTPB dapat meningkat dengan mengurangi kadar vinil sehingga komposisi HTPB memiliki kadar vinil turun menjadi 19%.
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Karjala, Santhosh priya, Vijay Kumar Kuttynadar Rajammal, Suresh Gopi, Rajesh Ravi, Devanathan Chockalingam, and Meenakshi Chinathambi Muthukaruppan. "INFLUENCE OF IPNS (VINYLESTER/EPOXY/POLYURETHANE) ON THE MECHANICAL PROPERTIES OF GLASS/CARBON FIBER REINFORCED HYBRID COMPOSITES." IIUM Engineering Journal 23, no. 1 (January 4, 2022): 339–48. http://dx.doi.org/10.31436/iiumej.v23i1.2031.

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The main objective of this study is to compare the interpenetrating polymer networks’ (IPNs) physical strengths with different variants of fibers. In this study, E-glass, carbon, and a combination of E-glass and carbon fiber (hybrid) have been taken as the reinforcement. Similarly, three combinations of the IPNs were chosen as the matrix material, namely epoxy / polyurethane (EP), vinyl ester / polyurethane (VP) and epoxy/vinyl ester (EV) as IPN blends. In order to thoroughly understand the physical characteristics of the combination of blends and fibers, nine variants (laminates) were fabricated: combinations of epoxy / polyurethane / E-glass (EPG), epoxy / polyurethane / carbon (EPC), epoxy / vinyl ester / glass / carbon (EPGC-hybrid), vinyl ester / polyurethane / glass (VPG), vinyl ester / polyurethane / carbon (VPC), vinyl ester / polyurethane / glass / carbon (VPGC), epoxy / vinyl ester / glass (EVG), epoxy / vinyl ester / carbon (EVC), and epoxy / vinyl ester / glass / carbon (EVGC-hybrid), all with help of a hand-layup technique. Furthermore, mechanical tests such as tensile, flexural, impact, and HDT (heat distortion temperature) were performed on all the variants as per the ASTM standards. Results shows that carbon fiber reinforcement with all IPN combinations has shown extraordinary performance (double fold) over the E-glass fiber reinforcement, whereas the hybrid (combination of E-glass/carbon) laminates have shown excellent characteristics over E-glass fiber reinforcement, irrespective of IPN matrix material. All the results were compared with each other and their corresponding variations were plotted as bar charts. ABSTRAK: Objektif utama kajian ini adalah bagi membandingkan kekuatan fizikal rangkaian polimer saling menusuk (IPN) dengan pelbagai jenis gentian berbeza. Kajian ini mengguna pakai gentian kaca-E, karbon dan gabungan kaca-E dan gentian karbon (hibrid) sebagai penguat. Begitu juga, tiga kombinasi IPN dipilih sebagai bahan matrik, iaitu epoksi / poliuretan (EP), ester vinil / poliuretan (VP) dan epoksi / ester vinil (EV) sebagai campuran IPN. Bagi tujuan memahami secara mendalam ciri-ciri fizikal gabungan campuran dan gentian, sembilan varian (lamina) dihasilkan, malaui kombinasi seperti epoksi / poliuretan / kaca-E (EPG), epoksi / poliuretan / karbon (EPC), epoksi / ester vinil / kaca / karbon (EPGC-hibrid), ester vinil / poliuretan / kaca (VPG), ester vinil / poliuretan / karbon (VPC), ester vinil / poliuretan / kaca / karbon (VPGC), epoksi / ester vinil / kaca (EVG), epoksi / ester vinil / karbon (EVC), epoksi / ester vinil / kaca / karbon (EVGC-hibrid) dengan teknik susun atur lapisan menggunakan tangan. Selain itu, ujian mekanikal seperti tegangan, lenturan, hentaman dan HDT (suhu kelenturan panas) dilakukan pada semua varian mengikut piawaian ASTM. Dapatan kajian menunjukkan bahawa, penguat gentian karbon dengan semua kombinasi IPN telah menunjukkan prestasi luar biasa (dua kali ganda) daripada penguat gentian kaca-E, manakala lamina hibrid (campuran kaca-E / karbon) telah menunjukkan ciri-ciri sangat baik berbanding penguat gentian kaca-E tanpa mengira bahan matrik IPN. Semua hasil dapatan dibandingkan antara satu sama lain dan padanan variasi diplot sebagai carta bar.
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Nurhikmawati, Agita Risma, and Wachidatul Linda Yuhanna. "PEMBERDAYAAN KELOMPOK KOPERASI WANITA PUTRI JATI EMAS MELALUI PEMBUATAN HOUSEWARE DARI LIMBAH VINIL." Panrita Abdi - Jurnal Pengabdian pada Masyarakat 4, no. 3 (June 24, 2020): 273. http://dx.doi.org/10.20956/pa.v4i3.7472.

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The Empowerment of Women’s Cooperative Group Putri Jati Emas Through Houseware Making Made of Vinyl WasteAbstract. Vinyl waste is synthetic waste that is difficult to decompose. In Setono, there are 2 car upholstery and 1 shoe making industries which produce approximately 10 kg of vinyl waste per day. Thus, this study conducts vinyl waste processing by involving women's cooperative group, Putri Jati Emas. Vinyl waste is chosen since it can be made into high-selling houseware. The method in this activity is waste sorting, product designing, pattern making, printing, pattern cutting, sewing, sticking vinyl to houseware, and product finishing. In general, this activity went well and was conducive. In addition, the community is very enthusiastic and active in participating the program. In consequences, the participants’ skill level increases up to 80%. The houseware produced are trash bins, tissue containers, snack jars, biscuit tins, trays, and flower pots. In conclusion, this program is very relevant for improving the skills of the women in supporting family income.Keywords: Houseware, waste, vinyl.Abstrak. Limbah vinil merupakan limbah sintetis yang sulit terurai dan tidak dimanfaatkan. Di Desa Setono terdapat 2 industri jok mobil dan 1 industri pembuatan sepatu yang menghasilkan limbah vinil sebanyak 10 kg per hari. Pengolahan limbah vinil dilakukan dengan melibatkan kelompok koperasi wanita Putri Jati Emas. Limbah vinil dapat dikreasikan menjadi produk houseware berdaya jual tinggi. Metode dalam kegiatan ini adalah sortasi limbah, pemaparan desain, pembuatan pola, mencetak, menggunting pola, menjahit, menempel pada produk houseware dan finishing produk. Secara umum kegiatan ini berjalan lancar dan kondusif. Masyarakat antusias dalam mengikuti pelatihan. Tingkat keterampilan masyarakat sasaran sebanyak 80%. Produk yang dihasilkan berupa tempat sampah, tempat tissue, toples, kreasi kaleng biskuit, nampan dan pot bunga. Pelatihan kreasi limbah vinil menjadi houseware sangat relevan dan bermanfaat bagi peningkatan skill kelompok Koperasi Wanita Putri Jati Emas.Kata Kunci: Houseware, limbah, vinil.
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Nurlela, Nurlela, and Risnawati Risnawati. "PENGARUH RESIN TERHADAP PERUBAHAN WARNA PADA CAT TEMBOK." JURNAL SAINS NATURAL 5, no. 2 (December 16, 2019): 132. http://dx.doi.org/10.31938/jsn.v5i2.264.

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The Influence of Resin against the Change of Color on the Wall PaintThe quality of the paint is determined by the resin used. Synthetic resins for polymer paints are made by combining several monomers to achieve various characteristics. The incorporation of some monomers such as polyvinyl acetate resin, acrylic vinyl resin and acrylic styrene resin which act as a binder can affect the quality of the paint especially the color change. The purpose of this study is to find the color changes that occur on the wall paint by using Poly Styrene Acrylic , Poly Vinyl Acetate and Poly Vinyl Acrylic. From the results of the measurement of color difference, significant color change occurs in the Poly Vinyl Acetate (PVAc) + Poly Vinyl Acrylic (PVA) and Poly Styrene Acrylic (PSA). The results of the quality test of the three resins based on pH test, scrub test and viscosity test, PSA has better quality compared to PVA + PVAc and PVA resin. From the color difference measurement test, some things need to be considered, are temperature, film thickness, substrate color/background color and measurement conditions (measured in wet sample/in plate/dry surface) and test on resin added additive according to the type of each resin.Keywords: Paint, Resin, Color Changes, Poly Vinyl Acetate, Poly Styrene.ABSTRAK Kualitas dari cat sangat ditentukan oleh resin yang digunakan. Resin sintetis untuk cat berupa polimer yang dibuat dengan menggabung beberapa monomer untuk mencapai berbagai karakteristik. Penggabungan dari beberapa monomer seperti resin poli vinil asetat, resin vinil akrilik dan resin stirena akrilik yang berfungsi sebagai pengikat mampu mempengaruhi kualitas cat terutama dari perubahan warna. Tujuan dari penelitian ini adalah untuk mengetahui perubahan warna yang terjadi pada cat tembok dengan menggunakan Poli Stirena Akrilik, Poli Vinil asetat dan Poli Vinil Akrilik. Dari hasil pengukuran perbedaan warna, perubahan warna cukup signifikan terjadi pada resin Poli vinil Asetat (PVAc) + Poli Vinil Akrilik (PVA) dan resin Poli Stirena Akrilik (PSA). Hasil uji Kualitas cat dari ketiga resin berdasarkan uji pH, uji scrub dan uji viscositas, PSA memiliki kualitas yang lebih baik dibandingkan dengan resin PVA+PVAc dan PVA. Dari pengujian pengukuran perbedaan warna, beberapa hal yang perlu di perhatikan, yaitu suhu, film thickness, warna substrat/background color dan kondisi pengukuran (diukur dalam keadaan wet sample/dalam bentuk plate/dry surface) dan pengujian terhadap resin yang ditambahkan zat aditif yang sesuai dengan tipe masing-masing resin tersebut.Kata Kunci: Cat, Resin, Perubahan Warna, Poli Vinil, Poli Stirena.
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Wang, Jun, Matthias Grünbacher, Simon Penner, Maged F. Bekheet, and Aleksander Gurlo. "Porous Silicon Oxycarbonitride Ceramics with Palladium and Pd2Si Nanoparticles for Dry Reforming of Methane." Polymers 14, no. 17 (August 25, 2022): 3470. http://dx.doi.org/10.3390/polym14173470.

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Pd-containing precursor has been synthesized from palladium acetate and poly(vinly)silazane (Durazane 1800) in an ice bath under an argon atmosphere. The results of ATR-FTIR and NMR characterizations reveal the chemical reaction between palladium acetate and vinyl groups in poly(vinyl)silazane and the hydrolyzation reaction between –Si–H and –Si–CH=CH2 groups in poly(vinyl)silazane. The palladium nanoparticles are in situ formed in the synthesized precursors as confirmed by XRD, XPS, and TEM. Pd- and Pd2Si-containing SiOCN ceramic nanocomposites are obtained by pyrolysis of the synthesized precursors at 700 °C, 900 °C–1100 °C in an argon atmosphere. The pyrolyzed nanocomposites display good catalytic activity towards the dry reforming of methane. The sample pyrolyzed at 700 °C possesses the best catalytic performance, which can be attributed to the in situ formed palladium nanoparticles and high BET surface area of about 233 m2 g−1.
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Tius, Marcus A., and Joel K. Kawakami. "Vinyl Fluorides from Vinyl Stannanes." Synthetic Communications 22, no. 10 (May 1992): 1461–71. http://dx.doi.org/10.1080/00397919208021614.

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Burns, Tim. "Vinyl news focus: Vinyl recycling." Journal of Vinyl and Additive Technology 11, no. 4 (December 2005): 135. http://dx.doi.org/10.1002/vnl.20051.

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Thorwirth, Sven, Michael E. Harding, John B. Dudek, and Michael C. McCarthy. "Equilibrium molecular structures of vinyl carbon chains: Vinyl acetylene, vinyl diacetylene, and vinyl cyanide." Journal of Molecular Spectroscopy 350 (August 2018): 10–17. http://dx.doi.org/10.1016/j.jms.2018.05.001.

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Shaffer, O. L., V. Dimonie, M. S. El-Aasser, and J. W. Vanderhoff. "Morphology study of polyvinyl acetate latex by etching with PTA." Proceedings, annual meeting, Electron Microscopy Society of America 47 (August 6, 1989): 366–67. http://dx.doi.org/10.1017/s0424820100153804.

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Transmission electron microscopy has been used extensively for studying the morphology of latex particles. Special techniques have been developed such as preferential staining with osmium tetroxide (OsO4), ruthenium tetroxide (RuO4), freeze fracturing, microtoming and negative staining with phosphotungstic acid (PTA). The purpose of this study is to develop a new technique using PTA as an etching agent for poly(vinyl acetate)(PVAc) latex.Several latexes were prepared by both batch and semicontinuous emulsion polymerization with poly(vinyl alcohol)(PVA) as a stabilizer. Three types of PVA were used, high molecular weight Elvanol 52-40(DuPont) and Vinol 540(Air Products), and low molecular weight Vinol 205(Air Products). All the alcohols were partially hydrolyzed. A PVAc soap free(no PVA) latex was also prepared. To etch the particles one drop of latex was diluted in approximately one ml of 2% aqueous PTA. The volume of latex used depended upon the solids content of the latex and the size of the particles. The PTA latex dispersions were sampled at several intervals.
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Markley, Thomas J., Robert K. Pinschmidt, and John W. Vanderhoff. "Grafting reactions of vinyl acetate onto poly[(vinyl alcohol)-co-(vinyl acetate)]." Journal of Polymer Science Part A: Polymer Chemistry 34, no. 13 (September 30, 1996): 2581–94. http://dx.doi.org/10.1002/(sici)1099-0518(19960930)34:13<2581::aid-pola4>3.0.co;2-v.

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Dissertations / Theses on the topic "Vinyl"

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Lynam, Jason Martin. "Vinyl ketone and vinyl aldehyde complexes of ruthenium." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265558.

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Yusuf, Said Abdi. "Miscibility study of poly(vinyl pyrrolidone)poly(vinyl butyral) blends." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60693.

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The miscibility of poly(vinyl pyrrolidone) PVP with copolymers of vinyl butyral and vinyl alcohol, containing 11% and 19% by weight of vinyl alcohol, has been investigated. To examine how the state of miscibility of these blends varies with the vinyl alcohol content of the copolymers, differential scanning calorimetry(DSC) and solid-state NMR methods were employed. PVP was found to form miscible blends with poly(vinyl butyral) PVB, containing 11wt% of vinyl alcohol, up to a weight ratio of 40/60(PVP/PVB11). At higher PVP loading, phase separated blends were obtained. In contrast, poly(vinyl butyral) containing 19wt% vinyl alcohol units was found to be miscible with PVP, over the entire composition range, with an estimated domain size of 2.5nm. Taken together, the results indicate the importance of the number of hydroxyl groups in achieving miscibility.
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Croot, Robert Arthur. "The characterisation and adsorption of vinyl alcohol vinyl acetate copolymers." Thesis, University of Bristol, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303767.

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Zeise, Tina. "Worte und Vinyl." Diss., lmu, 2006. http://nbn-resolving.de/urn:nbn:de:bvb:19-56250.

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Cauich-Rodriguez, Juan Valerio. "Hydrogels based on poly(vinyl alcohol-vinyl acetate) blends for biomedical applications." Thesis, Queen Mary, University of London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267577.

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D, Aguiar Donna-Leigh. "Surface modified cross-linked poly(vinyl alcohol)/poly(vinyl pivalate) suspension particles." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/5475.

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Thesis (MSc (Chemistry and Polymer Science))--University of Stellenbosch, 2010.
ENGLISH ABSTRACT: In papermaking, fillers and additives are used to enhance paper properties. In this study spherical modified poly(vinyl alcohol) (PVA) particles were prepared for use as fillers. In order to determine the mechanism of adhesion of additives to cellulose (paper) fibres, these particles were modified to have surface functionality, with cationic and anionic surface charges, similar to charged polyelectrolyte additives. Typically, retention aids used to improve the fibre–fibre and fibre–filler bonding are able to conform to the surface of the fibres and fillers. Oppositely charged components show strong affinity for each other, e.g. cationic polyelectrolyte groups adhere to anionic surface charges on the fibres. The spherical PVA particles were prepared by the saponification of spherical poly(vinyl pivalate) (PVPi) precursor particles. These PVPi particles, prepared via suspension polymerisation, were cross-linked with a divinyl ether comonomer. The vinyl pivalate (VPi) suspension polymerisation was successfully carried out and afforded relatively uniformly distributed PVPi particles, with diameters of 0.5–10 mm. The cross-linked PVPi particles were then saponified in tetrahydrofuran (THF) as swelling solvent, to afford PVA with various degrees of saponification (DS). The spherical shape was lost and fibrous material was obtained when uncross-linked PVPi particles were saponified. Cross-linking the spherical PVPi particles (PVA precursor) proved innovative, and essential in maintaining the spherical form during saponification to PVA/PVPi. By varying the saponification time periods, various DS were obtained, as characterised by solid state NMR spectroscopy. Surface modification of the PVA/PVPi particles was carried out with cationic and anionic groups via the Williamson ether synthesis. Ionic modification of these rigid spherical PVA/PVPi particles was carried out in order to study their adherence to cellulose fibres, compared to the adherence of similarly modified starches with cellulose fibres. Fluorescent labelling of the different modified particles was carried out using two complimentary coloured fluorescent markers. Fluorescence imaging and scanning electron microscopy (SEM) enabled the observation of particle– fibre and particle–particle interaction. Results indicated that the negative groups are sparse on the cellulose fibres, and therefore particles with low functionality but which are able change shape and conform and adhere to the surface of the cellulose fibres are required for effective adhesion. These modified spherical PVA/PVPi particles are unique as they mirror the chemistry of functionalised starch and cellulose particles, yet maintain their shape and have a fixed size, measurable by SEM and transmission electron microscopy (TEM). Field-flow fractionation was also used to characterise and measure these relatively large cross-linked and fixed diameter particles.
AFRIKAANSE OPSOMMING: In papierproduksie word vulstowwe en bymiddels gebruik om die eienskappe van papier te verbeter. In hierdie studie is sferiese poli(vinielalkohol) (PVA) partikels berei vir gebruik as vulstowwe. Om ten einde die meganisme van die bymiddelklewing aan die sellulose vesels (papier) te bepaal, is die oppervlakke van hierdie partikels gewysig met kationiese of anioniese groepe, om 'n oppervlak soortgelyk aan dié van funksionele poliëlektrolietbymiddels te verskaf. Die retensiemiddels wat gebruik word om die vesel–vesel en vesel–vulstof binding te verbeter is tipies in staat om te konformeer aan die oppervlak van die vesels en vulstowwe. Teenoorgesteldgelaaide komponente toon 'n sterk affiniteit vir mekaar, bv. kationiese poliëlektrolietgroepe is vasklewend aan die anioniesgelaaide oppervlakke van die vesel. Die sferiese PVA partikels is berei deur die verseping van sferiese poli(vinielpivalaat) (PVPi) partikels. Hierdie voorloper PVPi partikels, berei deur suspensiepolimerisasie, is gekruisbind met 'n divinieleter ko-monomeer. Die vinielpivalaat (VPi) suspensiepolimerisasie is suksesvol uitgevoer en relatief eenvormig verspreide sferiese PVPi partikels is berei, met deursnitte tussen 0.5–10 mm. Die gekruisbinde PVPi partikels is daarna gesaponifiseer in tetrahidrofuraan (THF) as oplosmiddel, om PVA met verskillende grade van verseping (DS) te berei. Die sferiese vorm raak verlore en veselagtige materiaal is verkry wanneer PVPi partikels met geen kruisbinding verseep is. Kruisbinding van die sferiese PVPi partikels (PVA voorloper) is voordelig en noodsaaklik om die sferiese vorm tydens die verseping tot PVA/PVPi te behou. Deur die tydsduur van verseping te verander, is verskeie grade van verseping verkry en bevestig deur vaste toestand KMR spektroskopie. Oppervlakwysiging van die PVA/PVPi partikels, om kationiese en anioniese groepe aan te heg, is uitgevoer via die Williamson etersintese. Ioniese wysiging van hierdie stram, sferiese PVA/PVPi partikels is uitgevoer om ten einde hul klewing met sellulose vesels te bestudeer en te vergelyk met die klewing van soortgelyk gewysigde stysels. Fluoressensie merking van die verskillende gewysigde partikels is uitgevoer met behulp van twee komplimentêre gekleurde fluoressensie merkers. Fluoressensie beeldvorming en SEM verskaf die waarneming van partikel–vesel en partikel–partikel interaksie. Die resultate dui daarop dat die negatiewe groepe van die sellulose vesels skaars is, en daarom is partikels met ‘n lae funksionaliteit, maar wat in staat is om van vorm te verander, aan te pas en te konformeer aan die oppervlak van die sellulose vesels, nodig vir effektiewe adhesie. Hierdie gewysigde sferiese PVA/PVPi partikels is uniek aangesien hulle die chemie van gewysigde stysel en sellulose partikels naboots, maar steeds hul vorm behou met 'n vaste grootte; meetbaar deur SEM en TEM. Veld-vloei-fraksionering is ook gebruik vir die karakterisering van hierdie relatief groot, stram, gekruisbinde partikels met bepaalde deursneë.
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Auden, Noel Geraint. "Ethylene-vinyl acetate copolymers." Thesis, Lancaster University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239046.

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Williams, S. "Vinyl substituted dienyl complexes." Thesis, University of East Anglia, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.255855.

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Buck, J. "Vinyl anions in synthesis." Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.353565.

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Laot, Christelle Marie III. "Spectroscopic Characterization of Molecular Interdiffusion at a Poly(Vinyl Pyrrolidone) / Vinyl Ester Interface." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/36944.

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Mechanical properties of (woven carbon fiber / vinyl ester matrix) composites can be greatly improved if the interphase between the reinforcing high-strength low-weight fiber and the thermoset resin is made more compliant. In order to improve the adhesion of the vinyl ester matrix to the carbon fiber, a thermoplastic coating such as poly(vinyl pyrrolidone) (PVP) can be used as an intermediate between the matrix and the fiber. The extent of mutual diffusion at the (sizing material / polymer matrix) interphase plays a critical role in determining the mechanical properties of the composite.

In this research, the molecular interdiffusion across a poly(vinyl pyrrolidone))/vinyl ester monomer (PVP/VE) interface is being investigated by Fourier Transform Infrared Attenuated Total Reflectance (FTIR-ATR) spectroscopy. The ATR method which can be used to characterize the transport phenomena, offers several advantages, such as the ability to monitor the diffusion in situ or to observe chemical reactions. In order to separate the effects of the vinyl ester monomer diffusion and the crosslinking reaction, ATR experiments were carried out at temperatures below the normal curing temperature. Diffusion coefficients were determined by following variations in infrared bands as a function of time, and fitting this data to a Fickian model. The values of the diffusion coefficients calculated were consistent with values found in the literature for diffusion of small molecules in polymers. The dependence of diffusion coefficients on temperature followed the Arrhenius equation. Hydrogen bonding interactions were also characterized. The diffusion model used in this study, however, does not seem to be appropriate for the particular (PVP/VE) system. Because the glass transition temperature of the PVP changed as diffusion proceeded, one would expect that the mutual diffusion coefficient did not stay constant. In fact, it was shown that the Tg can drop by 140oC during the diffusion process. A more suitable model of the (PVP/VE) system should take into account plasticization, hydrogen bonding, and especially a concentration dependent diffusion coefficient. Further analysis is therefore needed.
Master of Science

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Books on the topic "Vinyl"

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Organization, World Health, and International Agency for Research on Cancer, eds. 1,3-Butadiene, ethylene oxide and vinyl halides (vinyl fluoride, vinyl chloride and vinyl bromide). Lyon: International Agency for Research on Cancer Press, 2008.

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Alain, Mousseigne, ed. Vinyl vocabulary. Munich: Hirmer, 2012.

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Vinyl demand. Bath: Shortlist, 2009.

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Hamling, Tom. Celebrity vinyl. New York: Mark Batty Publisher, 2011.

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Extreme vinyl cafe. Toronto: Viking Canada, 2009.

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Vinyl cafe diaries. Toronto: Penguin Canada, 2007.

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John, Stanley. Miller's collecting vinyl. London: Miller's, 2002.

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Lusk, Dorothy. Sleek vinyl drill. Vancouver: Thuja Books, 2000.

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Vinyl cafe diaries. Toronto: Viking, 2003.

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Prinz, Yvonne. The Vinyl Princess. New York: HarperCollins, 2009.

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Book chapters on the topic "Vinyl"

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Osborne, Richard. "Vinyl, Vinyl Everywhere." In The Routledge Companion to Media Technology and Obsolescence, 200–214. New York : Routledge/Taylor & Francis Group, 2019.: Routledge, 2018. http://dx.doi.org/10.4324/9781315442686-14.

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Gooch, Jan W. "Vinyl." In Encyclopedic Dictionary of Polymers, 793. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12538.

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Gooch, Jan W. "Poly(vinyl acetate co vinyl chloride)." In Encyclopedic Dictionary of Polymers, 576. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9253.

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Bährle-Rapp, Marina. "Vinyl Acetate." In Springer Lexikon Kosmetik und Körperpflege, 583. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_11036.

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Oda, Yukari, and Yu Shinke. "Vinyl Polymers." In Encyclopedia of Polymeric Nanomaterials, 1–6. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-36199-9_257-1.

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Irvine, William M. "Vinyl Cyanide." In Encyclopedia of Astrobiology, 2602–3. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_1830.

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Irvine, William M. "Vinyl Cyanide." In Encyclopedia of Astrobiology, 1743. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1830.

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Oda, Yukari, and Yu Shinke. "Vinyl Polymers." In Encyclopedia of Polymeric Nanomaterials, 2558–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-29648-2_257.

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Gras, J. L. "Vinyl Functions." In Inorganic Reactions and Methods, 121–23. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145319.ch41.

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Gooch, Jan W. "Vinyl Acetate." In Encyclopedic Dictionary of Polymers, 794. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12539.

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Conference papers on the topic "Vinyl"

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Seok Lyoo, Won, Jin Wook Cha, Kun Young Kwak, Young Jae Lee, Han Yong Jeon, Yong Sik Chung, Seok Kyun Noh, A. D’Amore, Domenico Acierno, and Luigi Grassia. "Preparation of Syndiotactic Poly(vinyl alcohol)∕Poly(vinyl pivalate∕vinyl acetate) Microspheres with Radiopacity Using Suspension Copolymerization and Saponification." In V INTERNATIONAL CONFERENCE ON TIMES OF POLYMERS (TOP) AND COMPOSITES. AIP, 2010. http://dx.doi.org/10.1063/1.3455646.

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Filatova, E. G., O. V. Lebedeva, Yu N. Pozhidaev, A. A. Konovalenko, and R. T. Usmanov. "Aluminosilicates Modified by Poly-1-Vinyl Imidazole and Poly-4-Vinyl Pyridine." In Proceedings of the International Symposium “Engineering and Earth Sciences: Applied and Fundamental Research” (ISEES 2018). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/isees-18.2018.78.

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Liu, Chengcen, Tao Dou, Feng Qiu, Jiangao Yang, and Kai Shi. "Study on the Stability of Poly(Vinyl Alcohol)/Poly(Vinyl Acetate) Electrothermal Membrane." In 2010 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2010. http://dx.doi.org/10.1109/icbbe.2010.5516568.

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Raghavan, Dharmaraj. "Functionalized Clay Vinyl Ester Nanocomposites." In 2008 MRS Fall Meetin. Materials Research Society, 2008. http://dx.doi.org/10.1557/proc-1143-kk05-22.

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Desai, Umang, Bhuwanesh Kumar Sharma, and Aparna Singh. "Vinyl acetate content tailoring in ethylene vinyl acetate improves the resilience against environmental stressors." In 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC). IEEE, 2022. http://dx.doi.org/10.1109/pvsc48317.2022.9938499.

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Kolesniková, Lucie, Stepan Urban, J. C. Guillemin, Patrik Kania, Tereza Uhlíková, Kateřina Luková, Karel Vávra, and Jan Koucký. "THE MILLIMETER WAVE SPECTRA OF VINYL ISOCYANATE AND VINYL KETENE, CANDIDATES FOR ASTRONOMICAL OBSERVATIONS." In 2022 International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2022. http://dx.doi.org/10.15278/isms.2022.wn10.

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Izutsu, Tomoyuki, Daisuke Odaka, Marina Komatsu, Yoshimichi Ohki, Maya Mizuno, Yoshiaki Nakamura, and Naofumi Chiwata. "Terahertz and far-infrared spectroscopic estimation of vinyl acetate content in ethylene-vinyl acetate copolymer." In 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP). IEEE, 2015. http://dx.doi.org/10.1109/ceidp.2015.7351988.

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Zakharenko, Olena, T. Huet, Juan-Ramon Aviles Moreno, and R. Motiyenko. "ROTATIONAL SPECTROSCOPY OF METHYL VINYL KETONE." In 70th International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2015. http://dx.doi.org/10.15278/isms.2015.rf15.

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Martin-Drumel, Marie-Aline, Stephan Schlemmer, Frank Lewen, Holger Müller, Sven Thorwirth, and Oliver Zingsheim. "PURE ROTATIONAL SPECTROSCOPY OF VINYL MERCAPTAN." In 69th International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2014. http://dx.doi.org/10.15278/isms.2014.mg15.

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COSTA, L., V. BRUNELLA, and P. BRACCO. "IRRADIATION EFFECTS ON POLY (VINYL CHLORIDE)." In Proceedings of the 7th International Conference on ICATPP-7. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776464_0118.

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Reports on the topic "Vinyl"

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Fink, Bruce K., Travis A. Bogetti, Molly A. Stone, John W. Gillespie, and Jr. Thermochemical Response of Vinyl-Ester Resin. Fort Belvoir, VA: Defense Technical Information Center, January 2002. http://dx.doi.org/10.21236/ada399117.

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Hart, Robert, Charlie Curcija, Dariush Arasteh, Howdy Goudey, Christian Kohler, and Stephen Selkowitz. Research Needs: Glass Solar Reflectance and Vinyl Siding. Office of Scientific and Technical Information (OSTI), July 2011. http://dx.doi.org/10.2172/1050447.

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Fink, Bruce K., Mahendra B. Dorairaj, John W. Gillespie, and Jr. Vinyl-Ester (VE) Cure Characterization Via Direct Current Sensors. Fort Belvoir, VA: Defense Technical Information Center, March 2001. http://dx.doi.org/10.21236/ada392622.

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Tim Hayes. Gas Leak from Vinyl Taped Stainless Steel Dressing Jars. Office of Scientific and Technical Information (OSTI), March 1999. http://dx.doi.org/10.2172/8195.

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Hogen-Esch, Thieo E. Synthesis of New Vinyl Monomers for Chemical Agent Sensing Applications. Fort Belvoir, VA: Defense Technical Information Center, November 2001. http://dx.doi.org/10.21236/ada398391.

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Fox, Joseph R., Steve Bassetti, Lawrence Drzal, Jared Stonecash, and Philip schell. Optimized Resins and Sizings for Vinyl Ester/Carbon Fiber Composites. Office of Scientific and Technical Information (OSTI), June 2018. http://dx.doi.org/10.2172/1461504.

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Huggett, Clayton, and Barbara C. Levin. Toxicity of the pyrolysis and combustion of poly(vinyl chlorides) :. Gaithersburg, MD: National Bureau of Standards, 1986. http://dx.doi.org/10.6028/nbs.ir.85-3286.

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Dutta, Piyush K., and Uday Vaidya. A Study of the Long-Term Applications of Vinyl Sheet Piles. Fort Belvoir, VA: Defense Technical Information Center, August 2003. http://dx.doi.org/10.21236/ada431046.

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Fink, Bruce K., Emanuele F. Gillio, Geoffrey P. McKnight, John W. Gillespie, Advani Jr., and Suresh G. Co-Injection Resin Transfer Molding of Vinyl-Ester and Phenolic Composites. Fort Belvoir, VA: Defense Technical Information Center, January 2000. http://dx.doi.org/10.21236/ada373528.

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Stickle, W. F., J. R. Reynolds, and C. A. Jolly. Surface Characterization of Electrically Conducting Nickel Tetrathiooxalate/Poly(vinyl alcohol) Composites. Fort Belvoir, VA: Defense Technical Information Center, April 1991. http://dx.doi.org/10.21236/ada234598.

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