Dynamic Mechanical Properties of Semi-Interpenetrating Polymer Network-Based on Nitrile Rubber and Poly( methyl methacrylate-co-butyl acrylate)

被引:16
|
作者
Su, Chang [1 ]
Zong, Dezhen [1 ]
Xu, Lihuan [2 ]
Zhang, Cheng [1 ]
机构
[1] Zhejiang Univ Technol, Coll Chem Engn & Mat Sci, State Key Lab Breeding Base Green Chem Synth Tech, Hangzhou, Zhejiang, Peoples R China
[2] Shenyang Univ Chem Technol, Coll Chem Engn, Shenyang, Peoples R China
基金
中国国家自然科学基金;
关键词
composites; glass transition; properties and characterization; addition polymerization; rubber; DAMPING CHARACTERISTICS; MORPHOLOGY; BEHAVIOR; COMPOSITES;
D O I
10.1002/app.40217
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
In this article, semi-interpenetrating polymer network (Semi-IPNs) based on nitrile rubber (NBR) and poly(methyl methacrylate-co-butyl acrylate) (P(MMA-BA)) were synthesized. The structure and damping properties of the prepared Semi-IPNs blends were characterized and by fourier transform infrared spectrum (FTIR), dynamic mechanical analysis (DMA), scanning electron microscopy (SEM), thermogravimetric analysis (TGA/DTG), and tensile mechanical properties. The results showed that interpenetrating network based on P(MMA-BA) and NBR was successfully obtained, which showed the improved thermal stability compared to NBR/P(MMA-BA)-based two-roll mill blends. Furthermore, Semi-IPNs showed significantly better the dynamic mechanical properties than that of the two-roll mill system. With the increasing feed ratio of BA and MMA during the preparation of Semi-IPNs, the loss peak position for P(MMA-BA) in NBR/PMMA IPNs shifted to a lower temperature from 20 degrees C to -17 degrees C, and when NBR in Semi-IPNs was accounted for 40 wt %, the dynamic mechanical thermal analysis showed that much more advanced damping material with wider temperature range (-30 degrees C<T<80 degrees C) as tan >0.45 can be achieved. Therefore, it was expected as a promising way to obtain the excellent damping materials with good oil-resisted properties according the Semi-IPNs system. (c) 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40217.
引用
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页数:6
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