Water-dispersible polyurethane systems used as pressure-sensitive adhesives

被引：7
|
作者：
Czech, Zbigniew [1 ]
Kocmierowska, Monika [1 ]
机构：
[1] Tech Univ Szczecin, Inst Polymer, PL-70322 Szczecin, Poland
来源：
POLIMERY | 2006年 / 51卷 / 06期
关键词：
pressure-sensitive adhesives; polyurethane; polybutadiene; isophorone diisocyanate; poly(propylene glycol); adhesion; cohesion;
D O I：
10.14314/polimery.2006.456
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Water-dispersible polyurethane systems based on anionic polyurethane aqueous dispersions were obtained. The prepolymers besed on hydroxyl-termined polybutadiene (HTPB), isophorone diisocyanate (IPDI), poly(propylene glycol) (PPG) and dimethylopropionic acid (DMPA) were synthesized in bulk. After neutralization with triethyleneamine (TEA) the anionomer prepolymer was dispersed in water, followed by a chain-extension reaction with ethylenediamine (EDA). The adhesive and cohesive properties of aqueous dispersions as coatings for self-adhesive articles were evaluated. It was observed that DMPA and crosslinking agent contents as well as kind of poly(propylene glycol) influenced adhesion and cohesion of polyurethane films.
引用
收藏
页码：456 / 459
页数：4
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