Relevant bibliographies by topics / Blown film

Academic literature on the topic 'Blown film'

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Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Blown film"

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Białasz, Sebastian, and Łukasz Garbacz. "Characteristics of producing of the polymer films in blow film extrusion process." Mechanik 92, no. 4 (April 8, 2019): 230–33. http://dx.doi.org/10.17814/mechanik.2019.4.31.

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In the article specification of blown film extrusion process of thermoplastics was presented. Methods of extrusion subject to products with determine characteristic received in the process where characteristic. In the research, extrusion blow molding process used polyethylene film PE-LD Malen-E were used. Extensive studies of the extrusion process and selected properties of polymer films were used.
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Neubert, Benedikt, Christoph Dohm, Johannes Wortberg, and Marius Janßen. "A process-oriented scale-up/scale-down strategy for industrial blown film processes: Theory and experiments." Journal of Plastic Film & Sheeting 34, no. 3 (November 29, 2017): 324–49. http://dx.doi.org/10.1177/8756087917741926.

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To gain a competitive edge in developing innovative products, new multi-layer film manufacturers need to know whether laboratory-scale blown film line results reliably translate to large-scale production. This, however, is not always the case: Transferring process conditions and getting equal final film properties are not ensured. To address this problem, this paper presents a scale-independent scale-up/scale-down strategy to produce films with consistently similar properties regardless of a plant’s size and design. A second aim is to prove this strategy is applicable by comparing the reference and experimental film mechanical properties. Here, experimental scale-down runs were carried out based on a process-oriented scale-up/scale-down strategy for the blown film process. An industrial production process (>800 kg/h), successfully transferred to a laboratory-scale blown film line, was used as the reference. The introduced process-oriented scale-up/scale-down is based on geometric and dynamic similarity. In this context, blow-up ratio, draw-down ratio and process time have been identified as major scale-up/scale-down variables. Unlike existing scale-up strategies, the process-oriented approach is more flexible in practice. Film mechanical properties taken from the experimental runs were determined by tensile and puncture resistance tests. The compared results confirmed that process-oriented scale-up/scale-down is feasible for the applied material and under the existing plant-specific restrictions. The comparison indicated that most film properties produced on the laboratory-scale plant were comparable to those from the high-capacity blown film line.
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Wang, M. D., and M. Cakmak. "Basic Studies on Development of Structure Hierarchy in Tubular Film Blown Dynamically Vulcanized PP/EPDM Blend." Rubber Chemistry and Technology 74, no. 5 (November 1, 2001): 761–78. http://dx.doi.org/10.5254/1.3547652.

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Abstract The processing characteristics and structural hierarchy development in a tubular blown, dynamically vulcanized polypropylene/ethylene—propylene—diene monomer rubber (PP/EPDM) blends were investigated. The semi-crystalline PP phase exhibited a* and c-axis orientations with the a* oriented populations dominating low draw-down ratio (DDR) conditions. At high DDR, both a* and c-axis oriented populations were observed. Little or no preferential orientation was detected in the discrete EPDM phase using dichroism studies. The blown films were found to exhibit an unusual asymmetric structure: The PP phase was found to fibrillate at the outside surface while the inner surface remained relatively featureless. This was attributed to disproportionately rapid cooling of the outside surface by the air stream blown externally onto the film being extruded. This, in turn, resulted in solidification of very thin PP surface layers that caused their fibrillation under the heavy stresses they had to endure. Increasing the blow-up ratio was found to expand this web-like surface texture. As a result of this fibrillation mechanism, the increase of both the blow-up ratio and draw-down ratio was found to reduce the mechanical properties.
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Norgia, Michele, and Alessandro Pesatori. "Interferometric Instrument for Thickness Measurement on Blown Films." Photonics 8, no. 7 (June 29, 2021): 245. http://dx.doi.org/10.3390/photonics8070245.

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Real-time measurement of plastic film thickness during production is extremely important to guarantee planarity of the final film. Standard techniques are based on capacitive measurements, in close contact with the film. These techniques require continuous calibration and temperature compensation, while their contact can damage the film. Different optical contactless techniques are described in literature, but none has found application to real production, due to the strong vibration of the films. We propose a new structure of low-coherence fiber interferometer able to measure blown film thickness during productions. The novel fiber-optic setup is a cross between an autocorrelator and a white light interferometer, taking the advantages of both approaches.
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Zuo, Jian Dong, Shu Mei Liu, and Jian Qing Zhao. "Properties of HDPE/UHMWPE Blown Films." Advanced Materials Research 87-88 (December 2009): 239–43. http://dx.doi.org/10.4028/www.scientific.net/amr.87-88.239.

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HDPE and UHMWPE were blended in the twin screws extruder with two kinds of screws scheme and the HDPE/UHMWPE films were prepared in the blown film extruder. The mechanical properties, rheological property and crystallization behavior of the blends were discussed. The results showed that UHMWPE could improve the mechanical properties of HDPE film, but made the melt torque of the blends increase. The surface morphology and crystallization behavior of the blends were observed by polarized light microscope. It was found that the dispersion and molten degree of UHMWPE in the blends made by the screws scheme B were improved greatly.
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Strater, K. F., and J. M. Dealy. "Countercurrent cooling of blown film." Polymer Engineering and Science 27, no. 18 (October 1987): 1380–85. http://dx.doi.org/10.1002/pen.760271805.

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Knittel, Rick. "Blown Film Bubble Collapsing Improvement." Journal of Plastic Film & Sheeting 3, no. 1 (January 1987): 23–32. http://dx.doi.org/10.1177/875608798700300104.

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Chang, Jiang Ping, Hong Li Li, Ying Jie Zhang, Guo Xian Zhou, and Ming Long Yuan. "The Structure and Properties Research on Poly(Lactide-Co-Trimethylene Carbonate) Film Prepared by Blow Molding." Advanced Materials Research 750-752 (August 2013): 1930–33. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.1930.

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The poly (lactide-co-trimethylene carbonate) copolymers are prepared by ring opening polymerization and catalyzed by SnOct and their films are prepared by blow molding. The 1HNMR study demonstrates that PLA-PTMC copolymers were successfully obtained and the graft way is A-B model. The water vapor permeability (WVP) of the films decreases with the increasing TMC content due to the formation of denser structure. The mechanical measurement reveals that the tensile strength of blown films has been declined with the increasing TMC content, but the elongation at break is improved and the tensile strength can be satisfied for the requirement of film product. Therefore, the copolymer film will be great prospect in the application of food and beverage packing.
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Auksornkul, Suthakarn, Siriwat Soontaranon, Chonthicha Kaewhan, and Pattarapan Prasassarakich. "Effect of the blow-up ratio on morphology and engineering properties of three-layered linear low-density polyethylene blown films." Journal of Plastic Film & Sheeting 34, no. 1 (March 6, 2017): 27–42. http://dx.doi.org/10.1177/8756087917698195.

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A series of linear low-density polyethylene films were produced using a three-layer co-extrusion machine. How the blow-up ratio and resin characteristics affected the final film morphology and engineering properties were studied. The crystalline morphology and orientation during the blown film process of the low-density polyethylene film were investigated using small-angle X-ray scattering, transmission electron microscopy and scanning electron microscopy. Increasing the blow-up ratio increased the transverse direction molecular orientation and decreased the machine direction orientation. The resulting low-density polyethylene morphology was a regular lamellar stacking parallel to the machine direction. The film morphology strongly influenced the mechanical properties. Increasing the blow-up ratio from 1.7 to 2.8 decreased the machine direction tensile strength by 14% and increased the transverse direction tensile strength up to 27% for both the low-density polyethylene/1-butene and low-density polyethylene/1-octene co-monomers, while the machine direction tear strength increased up to 36% and the transverse direction decreased by 16%. Moreover, the first and second heating characteristics from differential scanning calorimeter showed the inherent crystallinity change with increasing blow-up ratio for both the low-density polyethylene/1-octene and the low-density polyethylene/1-butene copolymer. The crystalline orientation changes induced with increasing blow-up ratio affected the film water vapor and oxygen permeability.
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Feistkorn, W. "Automatic Blown Film Dies for High Quality Film." Journal of Plastic Film & Sheeting 5, no. 1 (January 1989): 8–17. http://dx.doi.org/10.1177/875608798900500103.

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Dissertations / Theses on the topic "Blown film"

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Strater, Kurt F. "Countercurrent cooling of blown film." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66003.

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Majumder, Khokan Kanti, and khokankanti@yahoo com. "Blown Film Extrusion: Experimental, Modelling and Numerical Study." RMIT University. Civil, Environmental and Chemical Engineering, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080509.161859.

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Abstract This thesis correlates rheological data into a non-linear blown film model that describes the stress and cooling-induced morphological transformations in the axial and flow profiles of the blown films. This will help to improve the physical and mechanical properties of the films in a cost effective way, which will in turn be of great benefit to the food and packaging industries. In this research, experimental and numerical studies of a blown film extrusion were carried out using two different low-density polyethylenes (LDPEs). In the experiment, the key parameters measured and analysed were molecular, rheological and crystalline properties of the LDPEs. In the numerical study, blown film simulation was carried out to determine the bubble characteristics and freeze line height (FLH). A new rheological constitutive equation was developed by combining the Hookean model with the well known Phan-Thien and Tanner (PTT) model to permit a more accurate viscoelastic behaviour of the material. For experimental verification of the simulation results, resins were processed in a blown film extrusion pilot plant using identical die temperatures and cooling rates as used in the simulation study. Molecular characteristics of both LDPEs were compared in terms of their processing benefit in the film blowing process. Based on the experimental investigation, it was found that molecular weight and its distribution, degree of long chain branching and cooling rate play an important role on melt rheology, molecular orientation, blown film processability, film crystallinity and film properties. Effect of short chain branching was found insignificant for both LDPEs. Statistical analysis was carried out using MINITAB-14 software with a confidence level of 95% to determine the effect of process variables (such as die temperature and cooling rate) on the film properties. Film properties of the LDPEs were found to vary with their molecular properties and the process variables used. Blown film model performance based on the newly established PTT-Hookean model was compared with that based on the Kelvin model. Justification of the use of PTT-Hookean model is also reported here using two different material properties. From the simulation study, it has been found that predictions of the blown film characteristics conformed very well to the experimental data of this research and previous studies using different materials and different die geometries. Long chain branching has been found as the most prominent molecular parameter for both LDPEs affecting melt rheology and hence the processability. Die temperature and cooling rate have been observed to provide similar effect on the tear strength and shrinkage properties of blown film for both LDPEs. In comparison to the Kelvin model, the PTT-Hookean model is better suited for the modelling of the film blowing process. It has also been demonstrated in this study that the PTT-Hookean model conformed well to the experimental data near the freeze line height and is suitable for materials of lower melt elasticity and relaxation time.
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Godshall, David Leonard. "Investigations of Structure–Property Relationships in Semicrystalline Thermoplastic Polymers: Blown Polyethylene Films and Polyacrylonitrile Copolymers." Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/25971.

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Blown films of high molecular weight high density polyethylene (HMW-HDPE) were produced from two resins of differing molecular weight (MW) and molecular weight distribution (MWD) using a high stalk bubble configuration. The processing conditions were varied such that three film gauges, each fabricated at three frost line heights (FLH), were produced. Crystalline orientation and tear resistance properties of the films were measured. Under appropriate conditions, the formation of two populations of lamellar stacks with their surface normals orthogonal to one another were observed. Increasing the FLH increased the amount of transverse direction (TD) stacked lamellae. This finding was related to bubble shape and relaxation behavior. Balanced in plane crystalline orientation was noted to give the best dart impact performance. Interestingly, for the lower Mw resin in the study, this could be achieved by down gauging. In a second project, structure-property-processing relationships were investigated in a series of high density polyethylene (HDPE) blown films. The use of metallocene and chromium oxide based resins allowed the effects of MW and MWD on orientation behavior to be studied. All films possessed Keller-Machin low stress morphologies oriented along the film MD. Under identical processing conditions, the narrower MWD resins produced films with greater orientation than the broader MWD resins of equivalent weight average MW. Greater processing stresses and shorter quench times were noted to produce higher levels of orientation. Moisture vapor transmission rate (MVTR) performance of these films was also measured. Orientation effects were seen to influence MVTR as permeation behavior did not scale directly with the crystalline content in the films. Additional studies investigated the relationship between comonomer content and the thermal and structural properties of novel poly(acrylonitrile-co-methyl acrylate) materials. Five polymers were studied with methyl acrylate (MA) content varying between 0 and 15 mol%. The MA decreased both the glass transition and melting temperatures. Melting point depression was sufficient in the two highest MA content copolymers to allow for complete melting prior to the onset of thermal degradation using modest heating rates (20 ºC/min). Insight into the heterogeneous structure of poly(acrylonitrile) homopolymer was gained through both conventional and modulated differential scanning calorimetry.
Ph. D.
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Gururajan, Giriprasath. "Real-time Raman spectroscopy and wide-angle x-ray diffraction during single-layer and multi-layer blown film extrusion." Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1211388756/.

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Ivings, Krisandra. "Country Culture and Crossover: Narrative Representations of Gender and Genre Through Lyric, Music, Image, and Staging in Carrie Underwood's Blown Away Tour." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35252.

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This thesis examines the complex and multi-dimensional narratives presented in the work of mainstream female country artist Carrie Underwood, and how her blending of musical genres (pop, rock, and country) affects the narratives pertaining to gender and sexuality that are told through her musical texts. I interrogate the relationships between and among the domains of music, lyrics, images, and staging in Underwood’s live performances (Blown Away Tour: Live DVD) and related music videos in order to identify how these gendered narratives relate to genre, and more specifically, where these performances and videos adhere to, expand on, or break from country music tropes and traditions. Adopting an interlocking theoretical approach grounded in genre theory, gender theory, narrative theory in the context of popular music, and happiness theory, I examine how, as a female artist in the country music industry, Underwood uses genre-blending to construct complex gendered narratives in her musical texts. Ultimately, I find that in her Blown Away Tour: Live DVD, Underwood uses diverse narrative strategies, sometimes drawing on country tropes, to engage techniques and stylistic influences of several pop and rock styles, and in doing so explores the gender norms of those genres.
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Butterfield, Craig. "A novel laboratory dispersive and distributive minimixer and applications : development of a new minimixer that can duplicate mixing which occurs in a large twin screw extruder." Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/4930.

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The mixing of additives into a plastic is an extremely important step in the plastics industry, necessary for the manufacture of almost every conceivable product. Therefore the costs in developing new products can prove very expensive as the testing is usually carried out using full scale machines, usually using twin screw extruders because they are able to provide good dispersive and distributive mixing. This is particularly important when compounding difficult to disperse additives and nano-additives. What is required is a machine that can replicate the mixing abilities of a twin-screw extruder but on a laboratory scale. There have been attempts by industry to develop smaller machines, such as the Thermo Scientific HAAKE Minilab II Micro Compounder which processes on the scale of 7 cm3 of material volume. This can be too small for some needs and therefore a machine is required to produce material on the 10g to 100g scale. To this end a laboratory mixer of novel design was devised and its mixing performance was assessed using conductive carbon black and compared against the Thermo Scientific HAAKE Minilab II Micro Compounder, a 19 mm co-rotating twin-screw extruder and a 40 mm co-rotating twin-screw extruder. Carbon black was used because mixing performance can be assessed by measuring the minimum carbon loading necessary to induce electrical conductivity. It was found that the minimixer was able to induce electrical conductivity at loading of 5.75% but the comparison with the other machines proved difficult as the achievement of the threshold at which semi-conductivity occurred appeared independent of shear rate and mixing duration.
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Arruda, Liliane Cardoso. "Efeitos do extensor de cadeia na morfologia, propriedades reológicas e mecânicas de filme tubular de blendas de poli(ácido) láctico) PLA com poli(butileno-adipato-co-tereftlalato) PBAT." Universidade Federal de Sergipe, 2015. https://ri.ufs.br/handle/riufs/3478.

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This study investigated the effect of chain extender epoxy based additive, Joncryl ADR 4368, on the rheological, thermal and mechanical properties of poly(lactic acid) with poly(butylene adipate-co-terephthalate) (PLA/PBAT) blends in the blown films form. Compositions with 40% and 60% by weight PLA were selected for production of such blown films. These dispersed phase content was chosen because the literature does not present mechanical behavior studies of tubular film blends with high concentration of the dispersed phase. Rheological analysis in dynamic oscillatory regime showed the reaction of epoxy group with end chain in both polymers, and a higher reactivity of the chain extender with PLA. The films produced exhibited different morphologies according to the blend composition and chain extender content. Films containing 40% PLA presented the dispersed phase morphology in a fibrillar form; however in the presence of chain extender, the dispersed phase is presented as ellipsoids. This change in morphology resulted in a reduction in the mechanical properties of these films in tensile tests. Films containing 60% PLA had a coarse morphology with dispersed phase in the ribbons-like form. The addition of extender yielded a refinement of the dispersed phase morphology from ribbon to elongated fibril form, which is responsible for the mechanical properties improvement of these films. Despite the low adhesion between matrix and dispersed phase, the proper setting of the morphology of the blends as a function of additive content, allowed to produce films with mechanical properties quite different from each other.
Neste trabalho foi estudado o efeito do aditivo extensor de cadeia à base de epóxi, Joncryl ADR 4368, nas propriedades reológicas, térmicas e mecânicas de filmes tubulares de blendas de poli(ácido láctico) com poli(butileno adipato-co-tereftalato) (PLA/PBAT). Composições com 40% e 60% em peso de PLA foram selecionadas para produção destes filmes tubulares. Estes teores de fase dispersa foram escolhidos pelo fato da literatura não apresentar estudos de comportamento mecânico de filmes tubulares de blendas com alta concentração da fase dispersa. Análises reológicas em regime dinâmico oscilatório evidenciaram a reação do grupo epóxi com finais de cadeia de ambos os polímeros, e evidenciaram uma maior reatividade do extensor com o PLA. Os filmes produzidos apresentaram diferentes morfologias de acordo com a composição da blenda e o teor de extensor de cadeia adicionado. Filmes contendo 40% de PLA apresentaram uma morfologia da fase dispersa na forma fibrilar; já na presença do extensor, a fase dispersa se apresentou na forma de elipsóides. Esta mudança na morfologia acarretou em uma redução nas propriedades mecânicas destes filmes em ensaios de tração. Filmes contendo 60% de PLA apresentaram uma morfologia grosseira com a fase dispersa na forma de fitas. A adição do extensor proporcionou um refinamento na morfologia da fase dispersa com formação de fibrilas alongadas, responsável pelo ganho nas propriedades mecânicas destes filmes. Apesar da baixa adesão entre matriz e fase dispersa, o ajuste apropriado da morfologia das blendas, em função do teor de aditivo, possibilitou produzir filmes com propriedades mecânicas bastante diferenciadas entre si.
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Tang, Zuojian 1967. "Surface morphology of polyethylene blown films." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31072.

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The properties of blown polyethylene (PE) films depend on various factors, including crystallinity, morphology, and orientation, in addition to chemical composition. It has been shown that the optical properties are strongly influenced by surface morphology. In this project, we use non-contact atomic force microscopy (AFM) and polarized light microscopy (PLM) to visualize surface and bulk morphology. Various techniques, such as surface and line roughness, surface and line fractal dimension, pair-correlation function and nearest neighbor distance distribution function, are employed to quantify the description of morphology and to compare the morphological characteristics of a number of polyolefin films of commercial interest. A comprehensive quantitative analysis of surface topography has been performed. The co-monomer of the PE resins was found to play a significant role in the formation and the orientation of spherulite-like domains. The film cross-section microstructure has been evaluated qualitatively by using both AFM and PLM. However, quantitative analysis of bulk morphology cannot be obtained due to knife effects.
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Wang, Lei 1972. "Morphology and optical properties of polyolefin blown films." Thesis, McGill University, 1999. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=36728.

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Optical properties of polyethylene blown films are of great commercial and scientific interest. An understanding of the relationship between morphology and optical properties will have a significant impact on product and process optimization.
In this work, a number of linear low density polyethylene (LLDPE) resins of different molecular and structural characteristics were studied. Intrinsic properties such as refractive index and absorption coefficient were estimated from resin compositions using group contribution models. The refractive indices of sample films were also measured using the method of Transmission Spectrum.
The morphology of polyethylene films was investigated using Atomic Force Microscopy (AFM) and Near-field Scanning Optical Microscopy (NSOM). Both the surface and bulk morphologies were evaluated. The observation shows the dominant spherulitic structure on the surface as well as in the bulk, as the result of nucleation and crystallization during the film blowing process. In addition to qualitative observations and comparisons; quantitative characterization methods were employed to describe the features of the morphology.
Based on the morphology characterization, the surface reflection was described by the Beckmann-Davies theory of reflection of electro-magnetic waves by rough surface. The directional distribution of reflected intensity was computed according to the surface roughness information. The gloss values of sample films were computed accordingly and compared with experimental measurements. Furthermore, the problem of light transmission and scattering was investigated. A scattering geometry was proposed from the observations of the morphology of sample films. The light scattering by the surface of polymer films was analyzed using a model that is based on the Mie theory of scattering. The haze values of sample films were computed and compared with experimental measurements.
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Wang, Lei. "Morphology and optical properties of polyolefin blown films." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0029/NQ64689.pdf.

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Books on the topic "Blown film"

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Forster, W. C. Blown film. Telford: British Polymer Training Association, 1989.

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Cantor, Kirk. Blown Film Extrusion. München: Carl Hanser Verlag GmbH & Co. KG, 2011. http://dx.doi.org/10.3139/9783446428195.

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Cantor, Kirk. Blown film extrusion. 2nd ed. Cincinnati, Ohio: Hanser Publications, 2011.

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Colpaert, T. Analysis of a cross-directional control system for a blown film process. Manchester: UMIST, 1997.

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Artaud: Blows and bombs. [London]: Creation Books, 2003.

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Film and the interpretive process: A study of Blow-Up, Rashomon, Citizen Kane, 8 1/2, Vertigo, and Persona. New York: P. Lang, 1989.

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Blown Film Extrusion 3E. Hanser Publications, 2018.

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Blown Film Extrusion: An Introduction. Hanser Gardner Publications, 2006.

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Dixon, Franklin W. BLOWN AWAY (HARDY BOYS CASE FILE 108): BLOWN AWAY. Simon Pulse, 1996.

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Schwabe, Willmar, R. Oschmann, and O. E. Schubert. Blow-fill-seal Technology. CRC Press, 1999.

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Book chapters on the topic "Blown film"

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Gooch, Jan W. "Blown Film." In Encyclopedic Dictionary of Polymers, 87. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_1432.

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Xiao, Karen, and Steve Gammell. "Blown Film." In Handbook of Troubleshooting Plastics Processes, 89–111. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118511183.ch7.

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Rosato, D. V. "Blown film." In Extruding Plastics, 305–48. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5793-7_7.

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Cantor, Kirk. "Film Properties." In Blown Film Extrusion, 119–34. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9781569906972.007.

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Cantor, Kirk. "Film Properties." In Blown Film Extrusion, 109–24. München: Carl Hanser Verlag GmbH & Co. KG, 2011. http://dx.doi.org/10.3139/9783446428195.006.

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Butler, Thomas I. "Blown Film Processing." In Handbook of Industrial Polyethylene and Technology, 381–410. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119159797.ch12.

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Cantor, Kirk. "Materials for Blown Film." In Blown Film Extrusion, 1–17. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9781569906972.001.

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Cantor, Kirk. "Polymer Rheology." In Blown Film Extrusion, 19–31. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9781569906972.002.

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Cantor, Kirk. "Extrusion Overview." In Blown Film Extrusion, 33–68. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9781569906972.003.

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Cantor, Kirk. "Hardware for Blown Film." In Blown Film Extrusion, 69–99. München: Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9781569906972.004.

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Conference papers on the topic "Blown film"

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Xiuqing, Ma, Zhai Wenbin, and Liu Ming. "Interface analysis of three-layer co-extrusion blown film." In MATERIALS CHARACTERIZATION USING X-RAYS AND RELATED TECHNIQUES. Author(s), 2019. http://dx.doi.org/10.1063/1.5088334.

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Abdelmaksoud, M., K. M. Abdelsalam, and M. M. Awad. "A numerical investigation of external cooling on a blown film." In 2010 3rd International Conference on Thermal Issues in Emerging Technologies Theory and Applications (ThETA). IEEE, 2010. http://dx.doi.org/10.1109/theta.2010.5766423.

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3

Dirama, Taner E., and Lloyd A. Goettler. "Processing Characteristics of Layered Silicate Nanocomposites With Application to Blown Film." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33942.

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The aim of this study is to investigate the film blowing processing of various polyamide 6-based layered silicate nanocomposites (LSN’s) and to correlate their processing behaviors to the underlying rheology and structure. In-situ polymerized nanocomposites were found to possess a wider processing window compared to the base PA6. Shear and dynamic rheological measurements were employed to correlate the rheological behavior of the nanocomposites to the bubble formation and stability in the film blowing process. The in-situ plymerized LSN melts having higher elastic modulus (G′) were found to perform better in the film blowing process. DSC measurements indicated that nanoclays induce the γ type of crystallinity, which may also play a role in film blowing behavior.
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Hopmann, Christian, Christian Windeck, and Marco Hennigs. "Increased output of blown film extrusion lines by using a cooling sleeve." In PROCEEDINGS OF PPS-29: The 29th International Conference of the Polymer Processing Society - Conference Papers. American Institute of Physics, 2014. http://dx.doi.org/10.1063/1.4873745.

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Edmonds, Neil R., Peter N. Plimmer, and Chris Tanner. "High melt strength, tear resistant blown film based on poly(lactic acid)." In PROCEEDINGS OF PPS-30: The 30th International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918465.

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Gao, Nan, Leonard S. Z. Li, and Dan Ewing. "Investigation of the Cooling Jets Used in the Blown Film Manufacturing Process." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42747.

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The flow field of a dual-lip air ring used in the blow film manufacturing process was studied experimentally. The static pressure distributions on a model bubble was measured using manometers while the fluctuating pressure was measured using microphones. The flow field caused by the air ring was measured using single and cross-wire probes. It was found that the pressure distribution below the forming cone was determined by the lower jet velocity. The flow and the pressure distribution on the bubble above the forming cone was determined by the ratio of the upper and the lower jet velocities where two jets interact and by the upper jet after the upper jet attached to the bubble.
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Neubert, Benedikt, Christoph Dohm, and Johannes Wortberg. "A new scale-up/scale-down method for the blown film extrusion." In PROCEEDINGS OF PPS-33 : The 33rd International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5121659.

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Janas, M., and J. Wortberg. "Numerical optimization of a multi-jet cooling system for the blown film extrusion." In PROCEEDINGS OF PPS-30: The 30th International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918409.

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9

AKAIKE, O., Toshihiro Tsuji, and Yasutaka Nagano. "Numerical Analysis of Air Flow and Heat Transfer in Tubular-Blown Film Processing." In International Heat Transfer Conference 11. Connecticut: Begellhouse, 1998. http://dx.doi.org/10.1615/ihtc11.300.

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Dohm, Christoph, Johannes Wortberg, and Reinhard Schiffers. "An experimental study on process-oriented scale-up/scale-down in blown film extrusion." In FRACTURE AND DAMAGE MECHANICS: Theory, Simulation and Experiment. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0028922.

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