Ü Jun1,2, Oh Il-Kwon" /> 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

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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

吕军1,2, Oh Il-Kwon2, 黄锐1, 李良彬1   

    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
  • 收稿日期:2006-09-08 修回日期:1900-01-01 出版日期:2007-02-10 发布日期:2007-02-10
  • 通讯作者: 黄锐

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

LÜ Jun1,2, Oh Il-Kwon   

    1. College of Polymer Materials Science and Engineering, Sichuan University, Chengdu 610065, China;
    2. School of Mechanical Systems Engineering, Chonnam National University, 300 Yongbong-dong, Buk-gu, Gwang-Ju, 500-757, Republic of Korea
  • Received:2006-09-08 Revised:1900-01-01 Online:2007-02-10 Published:2007-02-10
  • Contact: HUANG Rui

摘要: 通过加入增塑剂邻苯二甲酸二辛酯(DOP), 改变高分子链在压力作用下的运动能力, 培养出具有独特形貌、亚结构为折叠链晶体和三维立体的开放聚合物球晶.

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

Abstract: 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.

Key words: Bisphenol-A polycarbonate, High-pressure crystallization, Crystal morphology, Spherulite, Stereo-open spherulite

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