| PBT/PP/PP-MAH三元共混体结晶性质的研究 |
| |
| 引用本文： | 齐宏进,杨向新,郭宪英,马兆立,张浴晖.PBT/PP/PP-MAH三元共混体结晶性质的研究[J].合成纤维工业,1999,22(2):10-12. |
| |
| 作者姓名： | 齐宏进 杨向新 郭宪英 马兆立 张浴晖 |
| |
| 作者单位： | 青岛大学纺织服装学院化工系 |
| |
| 摘 要： | 利用ＤＳＣ研究ＰＢＴ／ＰＰ／ＰＰ－ＭＡＨ三元共混体的结晶性质，结果表明：ＰＰ和ＰＢＴ相互影响分别结晶。在ＰＰ结晶过程中，ＰＢＴ起异相成核剂作用，使ＰＰ结晶速率增大，ＰＰ的Ｔｍ下降，Ｔｃ升高；而在ＰＢＴ的结晶过程中，ＰＰ的熔体起稀释剂的作用，促进ＰＢＴ结晶成核过程，使ＰＢＴ的Ｔｍ下降，Ｔｃ升高。ＰＰ－ＭＡＨ的加入，阻碍了ＰＰ大分子链向晶核的移动，同时改善了共混体的相容性。甚至在较大的ＰＢＴ加入比例（２８％）下，仍能促进协同效应和共同结晶。
|
| 关 键 词： | 共混料 成核剂 溶剂 相容性 结晶 聚对苯二甲酸丁二酯 聚丙烯 |
STUDY ON THE CRYSTALLINE BEHAVIOUR OF PBT/PP/PP\|MAH TERNARY BLENDS |
| |
| Qi Hongjin,Yang Xiangxin,Guo Xianying,Ma Zhaoli and Zhang Yuhui.STUDY ON THE CRYSTALLINE BEHAVIOUR OF PBT/PP/PP\|MAH TERNARY BLENDS[J].China Synthetic Fiber Industry,1999,22(2):10-12. |
| |
| Authors: | Qi Hongjin Yang Xiangxin Guo Xianying Ma Zhaoli and Zhang Yuhui |
| |
| Abstract: | The crystalline behaviour of PBT/PP/PP\|MAH ternary blends was studied by means of DSC. The result showed that PP and PBT affected mutually and crystallized separately. In the course of PP crystallization, PBT worked as heterogeneous nucleator and made PP crystallization rate increase, Tm decrease and Tc increase. At the same time, PP melt worked as diluent during the course of PBT crystallization and stimulated PBT nucleation. Tm of PBT decreased while Tc increasing. The addition of PP\|MAH hindered the movement of PP chain towards PP nuclei and improved the compatibility of the blends. PP\|MAH could promote synergistic effect and co\|crystallization even at a higher ratio of PBT(28%). |
| |
| Keywords: | blend nucleating agent solvent compatibility crystallization PBT PP |
| 本文献已被 CNKI 维普 等数据库收录！ |
