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andy1777木虫 (小有名气)
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Synthesis and Properties Research of UV-Curable Hyperbranched Polyurethane Acrylate лл |
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baiyuefei
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【答案】应助回帖
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andy1777: 金币+5, ★★★★★最佳答案 2014-08-30 22:35:43
sunshan4379: LS-EPI+1, 感谢应助！ 2014-08-31 00:10:58
感谢参与，应助指数 +1
andy1777: 金币+5, ★★★★★最佳答案 2014-08-30 22:35:43
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Accession number: 20141117464396 Title: Synthesis and properties research of UV-curable hyperbranched polyurethane acrylate Authors: Xu, Zhao-Hua1; Yin, Shun2; Sun, Ning1, 2 ; Li, Heng1; Jiang, Shao-Hua2; Li, Yi-Biao2; Cheng, Jian3 Author affiliation: 1 Department of Material Technology, Jiangmen Polytechnic, Jiangmen 529090, China 2 School of Chemical and Environmental Engineering, Wuyi University, Jiangmen 529020, China 3 Jiangmen Paint Factory Co., Ltd, Jiangmen, 529030, China Corresponding author: Sun, N. (jmnsun@163.com) Source title: Gao Xiao Hua Xue Gong Cheng Xue Bao/Journal of Chemical Engineering of Chinese Universities Abbreviated source title: Gao Xiao Hua Xue Gong Cheng Xue Bao Volume: 28 Issue: 1 Issue date: February 2014 Publication year: 2014 Pages: 156-164 Language: Chinese ISSN: 10039015 CODEN: GHGXEG Document type: Journal article (JA) Publisher: Zhejiang University Abstract: A series of UV-curable hyperbranched polyurethane acrylate (HBPUA-X) was synthesized by using the raw materials of isophorone diisocyanate(IPDI), 2-hydroxyethyl acrylate(HEA) and different chain extenders. The structures and properties of HBPUA-Xs were characterized by fouriertransform infrared spectroscopy (FT-IR), nuclear magnetic resonance (NMR), thermogravimetric analysis (TG), differential scanning calorimeter (DSC) and Ubbelohde viscometer. FT-IR and NMR were used to clarify the structures of HBPUA-Xs. TG and DSC measurements show the difference of thermal properties for HBPUA-Xs. Ubbelohde viscometer results show that the intrinsic viscosity of HBPA-XG increases significantly with the increasing of the chain extender length. The performances of the UV curing epoxy acrylates resin coating were investigated after introducing HBPUA-Xs to the resin. TG results show that the initial decomposition temperature of the film decreases in different extent and also the film's residual amount reduces with the increase of the chain extender length. DSC results show that the film's glass transition temperature (Tg) decreases with the increase of the chain extender length. The performances of coating films are substantial improved with the addition of HBPUA-X. The adhesion of the coating film is raised from 3 grade to 1 grade, the flexibility is increased from 8 mm to 2 mm, and the pendulum hardness and the impact strength are obviously improved with the addition of 10% HBPUA-HDO. Number of references: 20 Main heading: Epoxy resins Controlled terms: Chains - Coatings - Curing - Differential scanning calorimetry - Infrared spectroscopy - Resins - Thermogravimetric analysis - Viscometers - Viscosity measurement Uncontrolled terms: Chain extenders - Differential scanning calorimeters - Fourier transform infrared spectroscopy (FT-IR) - Hyperbranched polyurethane - Hyperbranched polyurethane acrylate - Initial decomposition temperatures - Nuclear magnetic resonance(NMR) - UV curable Classification code: 539 Metals Corrosion and Protection; Metal Plating - 602.1 Mechanical Drives - 741.1 Light/Optics - 801 Chemistry - 815.1 Polymeric Materials - 815.1.1 Organic Polymers - 943.3 Special Purpose Instruments DOI: 10.3969/j.issn.1003-9015.2014.01.024 Database: Compendex Compilation and indexing terms, © 2014 Elsevier Inc. Full-text and Local Holdings Links |
2楼2014-08-30 22:26:54
baiyuefei
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- 散金: 11616
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3楼2014-08-30 22:27:13