静高压下邻苯二甲酸二辛酯增塑双酚A型聚碳酸酯体系中立体开放球晶的生长  

Growth of Novel Stereo-open Spherulites in a Bisphenol-A Polycarbonate/Dioctyl Phthalate Blend at Hydrostatic Pressure

作　　者：吕军[1] Oh Il-Kwon 黄锐[1] 李良彬[1] 

机构地区：[1]四川大学高分子科学与工程学院,成都610065 [2]School of Mechanical Systems Engineering,Chonnam National University,300 Yongbong-dong,Buk-gu,Gwang-Ju,500-757,Republic of Korea

出　　处：《高等学校化学学报》2007年第2期385-387,共3页Chemical Journal of Chinese Universities

基　　金：国家自然科学基金(批准号:50503015);大韩民国BK基金资助

摘　　要：Bisphenol-A polycarbonate/dioctyl phthalate blend samples crystallized at a hydrostatic pressure were investigated by WAXD,DSC and SEM measurements.Some novel stereo-open spherulitic structures,i.e.,peony-,cabbage-,seaweed-,and lotus-like spherulites,were observed which belong to a three-dimensional structure and were only composed of crystalline region.The foleded-chain lamellar crystal was proved to be the sub-structure of these spherulites.This study also suggests a new route to grow such crystals so as to promote the understanding of the formation process and mechanism of polymer spherulites.Bisphenol-A polycarbonate/dioctyl phthalate blend samples crystallized at a hydrostatic pressure were investigated by WAXD, DSC and SEM measurements. Some novel stereo-open spherulitic structures, i. e. , peony-, cabbage-, seaweed-, and lotus-like spherulites, were observed which belong to a three-dimensional structure and were only composed of crystalline region. The foleded-chain lamellar crystal was proved to be the sub-structure of these spherulites. This study also suggests a new route to grow such crystals so as to promote the understanding of the formation process and mechanism of polymer spherulites.

关 键 词：双酚A型聚碳酸酯 高压结晶 结晶形态 球晶 立体开放球晶 

分 类 号：O631[理学—高分子化学]