Nano-indentation profiles of intrinsic hardness and modulus of films based on silsesquioxane modified with titanium tetrabutoxide

被引：0
|
作者：
陈平
孙科军
刘今成
崔津津
胡立江
机构：
[1] Chemstry Center
[2] China
[3] Dept. of Applied Chemistry
[4] Dept. of Optoelectronic Science and Technology
[5] Harbin 150001
[6] Harbin 1500076
[7] Harbin Institute of Technology
[8] Harbin University of Commerce
来源：
Journal of Harbin Institute of Technology(New series) | 2004年 / 06期
关键词：
silesesquioxanes; (3-glycidoxypropyl)trimethoxysilane; vinyltrimethoxysilane; titanium tetrabutoxide; hardness; elastic modulus; brittle index;
D O I：
暂无
中图分类号：
O621.2 [有机化合物性质];
学科分类号：
070303 ; 081704 ;
摘要：
This study is to analyze the influence of the modifier, 5～25 wt % titanium tetrabutoxide (TBO), on the hardness and elastic modulus of the films based on SSO deriving from hydrolytic condensation of (3-glycidoxypropyl)trimethoxysilane (GPMS) and vinyltrimethoxysilane (VMS), by the continuous stiffness measurement (CSM) technique of an instrumented-indentation testing (IIT) device. Films were synthesized by adding the stoichiometric amount of ethylenediamine (EDA) and benzoyl proxide (BPO) to SSO solutions in ethanol, dip-coating over glass substrates, and curing using an appropriate thermal cycle. Intrinsic values of hardness and elastic modulus were determined with the average values in “plateau region” from “four-layer” explanation. And the brittle index of the modified coating systems was analyzed.
引用
收藏
页码：644 / 648
页数：5
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