Comparative study on tensile properties and microstructure development in elastomer-modified cyclic olefin copolymer

被引：6
作者：
Jafari, Seyed Hassan [1 ]
Khonakdar, Hossein Ali [2 ,3 ]
Tarameshlou, Mohammad [1 ]
Saeb, Mohammad Reza [4 ]
机构：
[1] Univ Tehran, Sch Chem Engn, Coll Engn, POB 11155-4563, Tehran, Iran
[2] Leibniz Inst Polymer Res Dresden, Hohe Str 6, D-01062 Dresden, Germany
[3] IPPI, Dept Polymer Proc, POB 14965-115, Tehran, Iran
[4] Inst Color Sci & Technol, Dept Resin & Addit, POB 16765-654, Tehran, Iran
来源：
JOURNAL OF VINYL & ADDITIVE TECHNOLOGY | 2016年 / 22卷 / 03期
关键词：
VINYL-ACETATE COPOLYMER; MECHANICAL-PROPERTIES; POLYMER BLENDS; POLY(BUTYLENE TEREPHTHALATE); MORPHOLOGY; COC; POLYETHYLENE; BEHAVIOR;
D O I：
10.1002/vnl.21419
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Mechanical and morphological properties of blends of cyclic olefin copolymer (COC) with polyolefin-octane copolymer (POE) and polyethylene-vinyl acetate (EVA), as the second phase, are thoroughly discussed over full composition range. Scanning electron microscopy revealed that both the systems are immiscible pairs showing biphasic morphology; however, co-continuity was seen upon varying composition. The mechanical characteristics, tensile modulus, yield strength, tensile strength, and elongation at break were evaluated varying blend composition. It was found that addition of POE to COC results in a higher decrease in tensile modulus when compared to COC/EVA pair. Mechanical results were correlated with several theoretical models and the best model for estimating tensile modulus was determined. Among examined models, the best fitting to experimental data for both series of the blends was provided by the Lyngaae-Jorgensen model. J. VINYL ADDIT. TECHNOL., 22:222-230, 2016. (c) 2014 Society of Plastics Engineers
引用
收藏
页码：222 / 230
页数：9
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