Thermal Decomposition and Mechanical Properties of Polycarbonate/ABS Blends Prepared by High Shear Rate Processing

被引：3

作者：

Yoo, Jae Jung ^{[1
]}

Yong, Da Kyoung ^{[1
]}

Lee, Han Ki ^{[2
]}

Kim, Dae Sik ^{[2
]}

Lee, Hyung Ii ^{[3
]}

Kim, Sun Hong ^{[3
]}

Lee, Kee Yoon ^{[3
]}

Lee, Seung Goo ^{[1
]}

机构：

[1] Chungnam Natl Univ, Dept Adv Organ Mat & Text Syst Engn, Taejon 305764, South Korea

[2] Hyndai Motor Grp, Automot Reserch & Dev, Dept Polymer Mat Res Team, Hwaseong Si 445706, Gyeonggi Do, South Korea

[3] Chungnam Natl Univ, Dept Polymer Sci & Engn, Taejon 305764, South Korea

来源：

POLYMER-KOREA | 2014年 / 38卷 / 04期

关键词：

PC/ABS; polymer blend; high-shear; thermal decomposition; mechanical properties; PHASE MORPHOLOGY; SAN; PC;

D O I：

10.7317/pk.2014.38.4.471

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polycarbonate (PC) and acrylonitrile-butadiene-styrene (ABS) blends were prepared using a high shear extruder to investigate their thermal decomposition and mechanical properties with shear rate and shear time. In this experiment, high shear rate, from 1000 to 3000 rpm, in blending process was applied for 10 to 40 sec, respectively. At high shear rate over than 2000 rpm, the initial decomposition temperature was dropped significantly compared to a compounded sample because of thermal decomposition of the blend by high shear. Consequently, high shear processing gave an important effect on the mechanical and thermal properties of the PC/ABS blend. In particular, elongation of the blend decreased significantly with shear rate.

引用

页码：471 / 476

页数：6

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