Preparation and Application Properties Analysis of Hyperbranched Polyurethane Leather Finishing Agent

被引：6
|
作者：
Wang, XueChuan [1 ]
Lu, XianBo [1 ]
Qiang, Taotao [1 ]
Ren, LongFang [1 ]
机构：
[1] Shaanxi Univ Sci & Technol, Minist Educ, Key Lab Aids Chem & Technol Light Chem Ind, Xian 710021, Shaanxi, Peoples R China
来源：
MATERIALS AND MANUFACTURING TECHNOLOGY, PTS 1 AND 2 | 2010年 / 129-131卷
关键词：
AFM; Thin films; Hyperbranched polyurethane; Polymers; Leather finishing agent; Application properties; INDUSTRY;
D O I：
10.4028/www.scientific.net/AMR.129-131.251
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel hyperbranched polyurethane (HBPU) finishing agent was prepared by graft copolymerization of hyperbranched poly (amine-ester) polyols (HPAE) and the isocyanate-terminated polyurethane prepolymer(PPU). The PPU was synthesized by step polymerization of isophorone diisocyanate (IPDI) with polyethylene glycol (PEG) and dibutyltin dilaurate (DBTDL) as catalyst. The FT-IR spectroscopy was used for the structural characterization. The thermal properties of HBPU were characterized by TGA. Microphase separation of HBPU film surface was studied by tapping-mode atomic force microscopy (A FM). Moreover, in contrast to 200-UT, the physical and mechanical properties of HBPU as finishing agent were investigated: curing time was decreased by 26.15% and the water vapor permeability was increased by 9.04%.
引用
收藏
页码：251 / 255
页数：5
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