Preparation of PA6/nano titanium dioxide (TiO2) composites and their spinnability

被引：30
|
作者：
Zhu, MF [1 ]
Xing, Q
He, HK
Zhang, Y
Chen, YM
Pötschke, P
Adler, HJ
机构：
[1] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fiber & Polymer Mat, Shanghai 200051, Peoples R China
[2] Inst Polymer Res Dresden, D-01069 Dresden, Germany
[3] Tech Univ Dresden, Inst Macromol Chem & Text Chem, D-01069 Dresden, Germany
来源：
MACROMOLECULAR SYMPOSIA | 2004年 / 210卷
关键词：
composites; mechanical properties; nano-TiO2; PA6; surface modification; spinnability;
D O I：
10.1002/masy.200450629
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this work, surface modification technique with coupling agents and anchoring polymerization was adopted to tailor the surface properties of nanoscaled titanium dioxide (TiO2). Ethyl glycol sols with TiO2 were prepared in order to simulate the dispersibility of differently modified TiO2 in a molten polyamide 6 (PA6) matrix. The modified TiO2 were melt compounded with PA6 and composites and fibers were prepared. The average filler diameter of 47 nm (in composites) and 44 nm (in fibers) indicated homogeneous dispersion of TiO2 in the matrix, whereas unmodified TiO2 showed agglomerated structures in the PA6 matrix. The mechanical properties of the composite fibers were improved as compared to pure PA6 fibers and composite fibers with unmodified TiO2.
引用
收藏
页码：251 / 261
页数：11
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