Preparation and Properties of Polythiourethane/ZnS Nanocomposites with High Refractive Index

被引：18
|
作者：
Liu, Li [1 ,2 ]
Zheng, Zhen [1 ,2 ]
Wang, Xinling [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2010年 / 117卷 / 04期
关键词：
nanocomposites; polyurethanes; refractive index; nanocomposite; ZnS; polyurethane;
D O I：
10.1002/app.32009
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The inorganic-organic crosslinking polythiourethane/ZnS (PTU/ZnS) nanocomposites with high refractive index and transmittance were successfully prepared. The thiol-capped ZnS nanoparticles with a diameter of about 5 nm were fabricated into the molecular chains of PTU via the formed covalent bonds between the capped ZnS and the matrix. The investigations demonstrated the ZnS nanoparticles were uniformly dispersed in the PTU matrix even at high contents. The optical studies showed the refractive index of the highly transparent nanocomposite films linearly increased from 1.643 to 1.792 with the increase of the ZnS content. The structure, morphology, and other properties were also characterized by FTIR, NMR, AFM, XRD, DSC, TGA, etc. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 117: 1978-1983, 2010
引用
收藏
页码：1978 / 1983
页数：6
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