05.12.2011 | Chrońska‐Olszewska, K.; Przepiórkowska, A., Journal of Applied Polymer Science, 2011

Abstract The incorporation of biopolymers, such as chrome shavings and buffing dust, into rubber blends makes it possible to obtain biodecomposable collagen–elastomer materials with good utility properties. It is the presence of a biopolymer in multicomponent polymeric materials that ...

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05.12.2011 | Katiyar, Vimal; Shaama, Mallikarjun Sharada; Nanavati, Hemant, Journal of Applied Polymer Science, 2011

Abstract We propose here, a comprehensive model for the solid‐state polymerization (SSP) of a low to moderate molecular weight (MW) prepolymer of lactic acid, to produce high MW poly(L‐lactic acid) (PLLA). The reactions are rationally assumed to occur only in the amorphous region, and ...

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05.12.2011 | Sun, Shulin; Zhang, Mingyao; Zhang, Huixuan; Zhang, Xiumei, Journal of Applied Polymer Science, 2011

Abstract Glycidyl methacrylate functionalized acrylonitrile–butadiene–styrene (ABS‐g‐GMA) particles were prepared and used to toughen polylactide (PLA). The characteristic absorption at 1728 cm−1 of the Fourier transform infrared spectra indicated that glycidyl methacrylate (GMA) was ...

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05.12.2011 | Nikolaeva, Marina I.; Mikenas, Tatiana B.; Matsko, Mikhail A.; Echevskaya, Ludmila G.; Zakharov, Vladimir A., Journal of Applied Polymer Science, 2011

Abstract The data on the effects of polymerization duration, cocatalyst, and monomer concentrations upon ethylene polymerization in the absence of hydrogen, and the effect of an additional chain transfer agent (hydrogen) on the molecular weight (MW), molecular weight distribution (MWD), ...

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05.12.2011 | Khangtragool, Anutra; Ausayakhun, Somsanguan; Leesawat, Phuriwat; Laokul, Chutiporn; Molloy, Robert, Journal of Applied Polymer Science, 2011

Abstract The main objective of this research has been to study the efficiency of chitosan as an ocular drug delivery vehicle for topically applied vancomycin in rabbit eyes. Vancomycin 50 mg/mL was reconstituted in four preparations, namely: in Tears Naturale II™, in 0.9% w/v aqueous ...

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05.12.2011 | Xie, Bingjie; Wang, Guang; Zhao, Xiancai, Journal of Applied Polymer Science, 2011

Abstract Naphthopyran homopolymer and copolymer containing coumarin in side chain were synthesized by atom transfer radical polymerization. Their photochromic properties were investigated using UV–vis absorption spectroscopy and their decoloration kinetics in films was quantified by ...

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15.11.2011 | Chunyan Wang; Xiaorui Li; Jingqian Chen; Guiqiang Fei; Haihua Wang; Qin Liu, Journal of Applied Polymer Science, 2011

Abstract A graft copolymer was synthesized by graft copolymerization of starch with styrene (St) and butyl acrylate (BA), using ferrous sulfate‐hydrogen peroxide redox initiation system. The starch was pregelled in the presence of acrylonitrile (AN) in aqueous alkali at high temperature ...

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15.11.2011 | Elif Ozturk; Eylem Tarkin Tas; Huseyin Tas; Tuba Bolat; Ozlem Soysal; Kemal Alyuruk, Journal of Applied Polymer Science, 2011

Abstract The polymerization of propylene oxide with zinc and tin xanthates was studied. Polymerization with both systems was found to be a zeroth‐order, nonterminating process, where the molecular weight was controlled by transfer reactions. It is discussed that these observations were ...

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15.11.2011 | Rupak Kishor; Sudhakar Padmanabhan; Krishna R Sarma; Viral Patel; Shashikant Sharma; Parimal A. Parikh, Journal of Applied Polymer Science, 2011

Abstract The effect of different polymerization media like n‐hexane, cyclohexane, isooctane, n‐decane, toluene, varsol, and light normal paraffin (LNP) on the kinetics of the slurry polymerization of ethylene using a highly active Ziegler Natta (ZN) catalyst for synthesizing UHMWPE was ...

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15.11.2011 | Jun Young Han; Hyun‐Hwan Oh; Kyung Jun Choi; Byoung Ryul Min, Journal of Applied Polymer Science, 2011

Abstract PVDF, poly(vinylidene fluoride), membranes were prepared and investigated by a scanning electron microscope, a universal testing machine, and capillary porometer for its potential use as a separator in lithium ion batteries. The membranes were prepared by phase inversion with ...

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