Processing issues of color mismatch: Rheological characterization of polycarbonate blends

被引：9
|
作者：
Alsadi, J. [1 ]
Saeed, U. [1 ]
Ahmad, S. [1 ]
Rizvi, G. [1 ]
Ross, D. [2 ]
机构：
[1] Univ Ontario & Inst Technol, Fac Engn & Appl Sci, Oshawa, ON L1H 7K4, Canada
[2] SABIC Innovat Plast, Cobourg, ON, Canada
来源：
POLYMER ENGINEERING AND SCIENCE | 2015年 / 55卷 / 09期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Color mismatches - Compounders - Dynamic frequency - Dynamic strain - Lexan polycarbonates - Mode dynamics - Polycarbonate blends - Rheological characterization - Strain sweeps - Twin screw;
D O I：
10.1002/pen.24041
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this study, resins of two Lexan polycarbonates with and without the addition of pigments and additives were blended in a Thermo Haake Mini Lab II twin-screw micro compounder. The blends were rheologically characterized using dynamic strain sweep mode, dynamic frequency sweep mode, and steady rate sweep mode. The tests were performed at 230 degrees C, 255 degrees C, and 280 degrees C under nitrogen atmosphere. The obtained results present that the variation in polycarbonate resin proportions and temperature significantly affected the rheological properties. The focus was extended on the polycarbonate blend having composition of two resins 30/70% and the obtained viscosity data was correlated to color changes. POLYM. ENG. SCI., 55:1994-2001, 2015. (c) 2014 Society of Plastics Engineers
引用
收藏
页码：1994 / 2001
页数：8
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