Synthesis, modification and properties of rosin-based non-isocyanate polyurethanes coatings

被引：67
|
作者：
Liu, Guifeng [1 ,2 ]
Wu, Guomin [1 ,2 ]
Chen, Jian [1 ]
Kong, Zhenwu [1 ,2 ]
机构：
[1] Chinese Acad Forestry, State Forestry Adm, Inst Chem Ind Forest Prod,Natl Engn Lab Biomass C, Key Lab Biomass Energy & Mat Jiangsu Prov,Key & O, Nanjing 210042, Jiangsu, Peoples R China
[2] Chinese Acad Forestry, Res Inst New Technol, Beijing 10091, Peoples R China
来源：
PROGRESS IN ORGANIC COATINGS | 2016年 / 101卷
基金：
中国国家自然科学基金;
关键词：
Rosin; Non-isocyanate polyurethanes; POSS; Coatings; CYCLIC CARBONATES; POLY(HYDROXY URETHANE)S; ANTIMICROBIAL ACTIVITY; SOYBEAN OIL; FREE ROUTES; FATTY-ACID; DIOXIDE; COMPOSITES; NANOCOMPOSITES; DICARBONATE;
D O I：
10.1016/j.porgcoat.2016.09.019
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of bio-based non-isocyanate polyurethane (NIPU) coatings were successfully prepared via the ring-opening polymerization of rosin-based cyclic carbonate with amines. Then the NIPUs were modified with epoxy and cyclic carbonate-functionalized polyhedral oligomeric silsesquioxanes (POSS) to form NIPU/POSS coatings, respectively. The properties of the NIPU and NIPU/POSS coatings were determined, and the influences of POSS on mechanical and thermal properties of the resulting coatings were investigated. The results showed that by introducing POSS into the NIPU networks, the water tolerance, pencil hardness and thermal stabilities of the NIPU/POSS coatings were improved obviously with the increasing of the POSS content, but the impact strength, adhesion and flexibility of NIPU/POSS coatings were not observed to be affected to a significant extent. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：461 / 467
页数：7
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