Synthesis and Characterization of UV Adhesion-Reducing Adhesives Based on Hydroxy-Terminated Polybutadiene Polyurethane

被引：0

作者：

Jiao S. ^{[1
]}

Ren F. ^{[1
]}

Wu X. ^{[1
]}

Ma H. ^{[1
]}

Zhou Z. ^{[1
]}

Xu W. ^{[1
]}

Gao M. ^{[2
]}

机构：

[1] School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei

[2] Anhui Rongze Technology Co., Ltd, Yinshang

来源：

Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2022年 / 38卷 / 07期

关键词：

Hydroxyl-terminated polybutadiene; Peel strength; Polyurethane; UV adhesion-reducing adhesives;

D O I：

10.16865/j.cnki.1000-7555.2022.0143

中图分类号：

学科分类号：

摘要：

Polyurethane UV adhesion- reducing adhesives were prepared by hydroxyl terminated polybutadiene which reacted with isophorone diisocyanate firstly, and then 1, 4- butanediol or 1, 4- butenediol was used as chain extender to expand the chains and control the content of C=C in the main chains, and two or three functional acrylate was used as crosslinking monomer monomer. The molecular structure of the adhesion- reducing adhesives was characterized by Fourier transform infrared spectroscopy (FT- IR). The effect of cross- linking degree on adhesionreducing was investigated. The experimental results show that with the increase of the cross-linking density and the gel ratio of the adhesion- reducing adhesives, the volume shrinkage of adhesive increases, and then the surface roughness increases, and the adhesion-reducing effect is obvious. When 1, 4-butenediol is used as chain extender and trimethylolpropane triacrylate (TMPTA) is used as crosslinkable monomer, the peeling strength reaches 19 N/25 mm before UV irradiation, and decreases to 0.2 N/25 mm after UV irradiation, which meets the application requirements. © 2022, Editorial Board of Polymer Materials Science & Engineering. All right reserved.

引用

页码：1 / 6

页数：5

共 16 条

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