Polypropylene-graft-Poly(methyl methacrylate) Graft Copolymers: Synthesis and Compatibilization of Polypropylene/Polylactide

被引：0
作者：
Kaneko, Hideyuki [1 ]
Saito, Junji [1 ]
Kawahara, Nobuo [1 ]
Matsuo, Shingo [1 ]
Matsugi, Tomoaki [1 ]
Kashiwa, Norio [1 ]
机构：
[1] Mitsui Chem Inc, Res Ctr, Chiba 2990265, Japan
来源：
CONTROLLED/LIVING RADICAL POLYMERIZATION: PROGRESS IN ATRP | 2009年 / 1023卷
关键词：
TRANSFER RADICAL POLYMERIZATION; POLY(METHYL METHACRYLATE); OLEFIN POLYMERIZATION; DIBLOCK COPOLYMERS; POLYETHYLENE; POLYSTYRENE; BLENDS; HYBRIDS; ARCHITECTURES; POLYOLEFINS;
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polypropylene-graft-poly(methyl methacrylate) (PP-g-PMMA) graft copolymers, possessing different compositions and branch lengths, were synthesized using 2-bromoisobutyrate group containing PP (PP-g-Br) as a macroinitiator for the metal-catalyzed living radical polymerization of MMA. The polypropylene/polylactide (PP/PLA) binary blends and the PP/PLA/PP-g-PMMA ternary blends were prepared by melt-blending and compression molding. From the results of the tensile and flexural tests, the strength and modulus of the PP/PLA blends were significantly improved by addition of the PP-g-PMMA. On the other hand, the PP-g-PMMA was ineffective in improving the elongation at break and the Izod impact strength of these polymer blends. TEM observations suggested that the ternary blends had a well-dispersed morphology compared with the binary blends and the PP-g-PMMA worked as a compatibilizer for the PP/PLA blends.
引用
收藏
页码：357 / 371
页数：15
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