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11.012 Aktuelle Fachpublikationen in Journal of Applied Polymer Science

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High heat resistant blends of poly(methyl methacrylate) and styrenic copolymers via post reactor modification

19.01.2018 | Sharmila Muthukrishnan, Susanta Mitra, P. Ranjith, Sadasivam Gopalakrishnan, P. Parthipan, Bander Al‐Farhood, Journal of Applied Polymer Science, 2018

ABSTRACT This work focuses on the methodology to obtain high heat resistant grades of poly(methyl methacrylate) (PMMA) without affecting any of the enabling properties of PMMA through the post reactor modification approach. The post reactor modification approach has been employed to obtain ...

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Gamma radiation aging of EVA/EPDM blends: Effect of vinyl acetate (VA) content and radiation dose on the alteration in mechanical, thermal, and morphological behavior

19.01.2018 | Bhuwanesh Kumar Sharma, Kumar Krishnanand, P.A. Mahanwar, K.S.S. Sarma, Subhendu Ray Chowdhury, Journal of Applied Polymer Science, 2018

ABSTRACT A series of ethylene vinyl acetate (EVA)/ethylene‐propylene diene elastomer (EPDM) blends (50/50 ratio) with four types of EVAs were prepared using brabender type batch mixer followed by compression molding. All compression‐molded samples were exposed to gamma radiation at 500, 1000, ...

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Reinforced soy protein isolate–based bionanocomposites with halloysite nanotubes via mussel‐inspired dopamine and polylysine codeposition

19.01.2018 | Haijiao Kang, Zhong Wang, Shujun Zhao, Qingchun Wang, Shifeng Zhang, Journal of Applied Polymer Science, 2018

ABSTRACT Fully renewable soy protein isolate (SPI)–based film with rigid strength and sufficient water resistance is difficult to attain. In this study, the mussel‐inspired surface chemistry of ɛ‐poly‐L‐lysine (ɛ‐PL)/dopamine was exploited for codeposition onto halloysite nanotubes (HNTs) to ...

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Monitoring of the discoloration on γ‐irradiated PE and EVA films to evaluate antioxidant stability

18.01.2018 | Fanny Gaston, Nathalie Dupuy, Sylvain R. A. Marque, Didier Gigmes, Samuel Dorey, Journal of Applied Polymer Science, 2018

ABSTRACT γ‐Irradiated films could provoke unexpected interaction with proteins for instance just after irradiation and not necessarily after 12 months indicating there is no more reactive species. The optical properties of two multilayer films [polyethylene (PE)/ethylene vinyl alcohol ...

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Curie point and a space charge relaxation in ferroelectric poly(vinylidene fluoride‐trifluoroethylene) copolymers with different thermal history

18.01.2018 | Valentin Kochervinskii, Inna Malyshkina, Sergey Bedin, Alexander Korlyukov, Mikhail Buzin, Rafael Shakirzyanov, Journal of Applied Polymer Science, 2018

ABSTRACT High‐temperature processes of space charge relaxation in films of poly(vinylidene fluoride‐trifluoroethylene) (70–30) have been investigated. The films were prepared by the crystallization from a solution in tetrahydrofuran at a room temperature. X‐ray data analysis showed that ...

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Strain rate dependent mechanical properties of a high‐strength poly‐methyl methacrylate

18.01.2018 | Jitang Fan, Journal of Applied Polymer Science, 2018

ABSTRACT Strain rate dependency is an important issue for the mechanical response of materials in impact events. Dynamic mechanical properties of a high‐strength poly(methyl methacrylate) (PMMA) were studied by using split Hopkinson pressure bar technology. The maximum stress is enhanced with ...

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Chemically clean synthesis and characterization of graphene oxide‐poly(acrylic acid–sodium styrene sulfonate) composite thermostable elastic gel encapsulating copper nanoparticles for efficient catalytic reduction of 4‐nitrophenol

18.01.2018 | Jhimli Paul Guin, Y. K. Bhardwaj, Lalit Varshney, Journal of Applied Polymer Science, 2018

ABSTRACT The thermostable chemically blended elastic poly‐(acrylic acid–sodium‐styrene‐sulfonate–graphene oxide) super‐absorbent hydrogel was synthesized by additive‐free gamma‐radiation induced polymerization followed by crosslinking method. It showed the best swelling ratio in water due to ...

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Synthesis and properties of polypropylene/layered double hydroxide nanocomposites with different LDHs particle sizes

18.01.2018 | Lei Qiu, Yanshan Gao, Peng Lu, Dermot O'hare, Qiang Wang, Journal of Applied Polymer Science, 2018

ABSTRACT In order to investigate whether the particle sizes of inorganic additives in polymer have an influence on the flame‐retardant and other properties of the polymer, five types of Mg3Al–CO3 layered double hydroxide (LDHs) with particle diameters of 80–100, 200–350, 500–550, 550–600, and ...

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Polystyrene recycling processes by dissolution in ethyl acetate

18.01.2018 | Rafael Ferraz Cella, Guilherme Davi Mumbach, Karina Luzia Andrade, Patricia Oliveira, Cintia Marangoni, Ariovaldo Bo ..., Journal of Applied Polymer Science, 2018

ABSTRACT This study evaluated the thermal, morphological, chemical, and mechanical properties of virgin and recycled polystyrene. The recycling process was carried out by dissolution of polystyrene (extruded and crystal) in ethyl acetate, followed by two processes for solvent removal: ...

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Reducing water sorption of injection‐molded polyamide 6 bars by polymerization‐induced diffusion of styrene and grafting with polystyrene

18.01.2018 | Cheng‐Huan Huang, Yin‐Le Tan, Zhao‐Xia Guo, Jian Yu, Journal of Applied Polymer Science, 2018

ABSTRACT An innovative method for reducing water sorption of injection‐molded polyamide 6 (PA6) bars by polymerization‐induced diffusion of styrene and grafting with polystyrene (PS) is reported. The process involves diffusion of styrene into PA6 bar in aqueous medium, addition of benzoyl ...

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