Application of Cationic Waterborne Polyurethane as Impregnation Material for Microfiber Synthetic Leather Base

刘若望; 陈意; 范浩军; 颜俊; 汪峰; 李成祥

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Application of Cationic Waterborne Polyurethane as Impregnation Material for Microfiber Synthetic Leather Base

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A cationic waterborne polyurethane(CWPU) was synthesized and utilized as impregnation material for manufacturing microfiber synthetic leather base,in an attempt to decrease environmental pollution associated with organic solvents and improve simulation degree relative to genuine leather.The alkali resistance of the CWPU and four manufacture methods were investigated.Meanwhile,the dyeing properties of the microfiber synthetic leather base were studied.It was found that the CWPU displayed enough alkali resistance to endure the alkali deweighting process for microfiber synthetic leather base manufacture.In terms of bending length,bending rigidity,compression elasticity ratio and specific compression elasticity ratio of the resulting base,coagulating the impregnated CWPU with sodium hydroxide before steam treatment was the optimal method.The extent of fiber splitting and the handle of the base from this method were both similar to conventional base filled with solvent-based polyurethane(SPU).The dyeing properties of the microfiber synthetic leather base filled with CWPU were also found superior to the one filled with either anionic waterborne polyurethane(AWPU) or SPU.

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《东华大学学报：英文版》 |2017年第2期|298-303|共6页
作者
刘若望; 陈意; 范浩军; 颜俊; 汪峰; 李成祥;
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作者单位

National Engineering Laboratory for Clean Technology of Leather Manufacture;

Synthetic Leather Research Center;

Sichuan University;

Chengdu 610065;

China;

College of Chemistry and Materials Engineering;

Wenzhou University;

Wenzhou 325035;

China;

Dymatic BEST Polymeric materials Co.;

Lishui 323000;

China;

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原文格式 PDF
正文语种 chi
中图分类人造皮革;
关键词
cationic waterborne polyurethane(CWPU); microfiber synthetic leather base; manufacture method; microstructure; property;

Application of Cationic Waterborne Polyurethane as Impregnation Material for Microfiber Synthetic Leather Base

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