Influence of CaCO3 and Elastomer Incorporation on Impact Properties of PP/Elastomer/CaCO3 Ternary Composites

被引：3
作者：
Hikasa, Shigeki [1 ]
Nagata, Kazuya [2 ]
Nakamura, Yoshinobu [3 ,4 ]
机构：
[1] Ind Technol Ctr, Kita Ku, Okayama 7011296, Japan
[2] Asahi Kasei Chem Corp, Lab Plast, Kawasaki Ku, Kawasaki, Kanagawa 2100863, Japan
[3] Osaka Inst Technol, Dept Appl Chem, Asahi Ku, Osaka 5358585, Japan
[4] Osaka Inst Technol, Nanomat Microdevices Res Ctr, Asahi Ku, Osaka 5358585, Japan
来源：
KOBUNSHI RONBUNSHU | 2010年 / 67卷 / 11期
关键词：
Impact Strength; Polypropylene (PP); SEBS; Filler; Diameter; BRITTLE-DUCTILE TRANSITION; MECHANICAL-PROPERTIES; POLYPROPYLENE COMPOSITES; HDPE/CACO3; BLENDS; PARTICLES; STRENGTH; TOUGHNESS; PHASE; MORPHOLOGY; FRACTURE;
D O I：
10.1295/koron.67.615
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Influences of elastomer and filler incorporation on impact properties for polypropylene (PP)/elastomer/filler ternary composites were investigated. Calcium carbonate (CaCO3) particles with a diameter in the range from 120 to 1200 nm were used as filler and polystyrene-block-poly(ethylene-butene)-block-polystyrene triblock copolymer (SEBS) was used as elastomer. In the PP/SEBS/CaCO3 ternary composite, CaCO3 particles and SEBS particles were dispersed in the PP matrix separately. In the case that the SEBS volume fraction is below 0.12, the impact strength increased gradually with a decrease of the CaCO3 particle size. In the case that the SEBS volume fraction is above 0.17, the addition of CaCO3 particles with a diameter in the range from 120 to 900 nm improved the impact strength. However, the addition of those of 1200 nm never improved the impact strength. The toughening mechanism of the PP/SEBS/CaCO3 composite was found to be the release of the concentrated strain by the void formation around the CaCO3 particles.
引用
收藏
页码：615 / 625
页数：11
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