Hyperbranched polymers as UV curable ...

Hyperbranched polymers as UV curable reactive diluents has good application

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PAMAM

Weihai, China

#1 Jun 26, 2013
Hyperbranched polymers as UV curable reactive diluents has good application
Hyperbranched polymerís branched chain contains a lot of functional groups, with higher molecular weight, low volatility, slight toxicity and irritation to the human body. And hyperbranched polymer has low viscosity properties, therefore, low viscosity hyperbranched photosensitive prepolymer as reactive diluent has become a new development direction. Hyperbranched polyurethane acrylate not only has a great activity but also wonít occur oxygen inhibition , the coating structure between crosslinking points has different soft segments and high crosslinking density to make the coating both hard and tough, and has good solvent resistance. Weihai CY Dendrimer Technology Co. Ltd forwards from "The Progress in UV-Curing Reactive Diluents" Jiao Yu , Yao Bolong, Du Zhengshuai (Jiangnan University College of Chemical and Material Engineering, Wuxi, Jiangsu 214122) Paint Review, 2005
PAMAM

Weihai, China

#2 Jun 26, 2013
Effective application of modified hyperbranched polyester in the UV-curable coating.
Water-based system develops well due to environmental factor. Hyperbranched polymer designed for waterborne UV-curing system has a unique structure and performance. When hyperbranched polyester increases generation, the hard and soft segments has a significant effect on WHPUD physical properties and thermal stability . UV-curable aqueous polyurethane coating prepares by hyperbranched polyester modification has good performance, by controlling the generation of hyperbranched polyester and modifying the content of the carboxyl group and double bonds to control performance of water-based UV-curable coatings, the conversion rate can reach above 80%, maximum light polymerization rate is 0. 255mmol C = C g-1S-1. In addition, the water-based systems broadens the application of UV curing technology and as a bridge between water-based system and 100% UV curing technology . Weihai CY Dendrimer Technology Co. Ltd forwards from "The Application of Maleic Anhydride-modified Hyperbranched Polyester In UV Coatings", Zhang Linya 1, Fang Qiang, Liu Fangfang 1, Fengwei 1, Ge Yanrui 1 (1. Hebei University of Chemical and Pharmaceutical Engineering College, Shijiazhuang 050018; 2. Nippon Paint Co., Ltd. Tianjin, Tianjin 301712) Fine Chemicals, 2013, 2 (13),203-207

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