首页|聚醚/聚酯型亲水性聚氨酯防水透湿性能研究

聚醚/聚酯型亲水性聚氨酯防水透湿性能研究

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以4,4'-二苯基甲烷二异氰酸酯(MDI)和1,4-丁二醇(BDO)为硬单体,制备了6组聚醚与聚酯或不同聚醚混合单体为软链段的嵌段型亲水性聚氨酯防水透湿涂层剂.研究了聚氨酯材料的微结构和软段结构对其防水、透湿性能的影响.结果表明,亲水性聚氨酯软链段的结构、组成、相对分子质量和含量及软、硬段相区间的微相分离程度对材料防水透湿性能的影响较大,亲水性聚氨酯的防水透湿性能主要取决于其中亲水性软链段的亲水性及其活动性.
Study on the Waterproof and Breathable Properties of Polyether/Polyester Hydrophilic Polyurethane
Six groups of segmented waterproof and breathable hydrophilic polyurethanes coatings based on mixed polyether or polyether/polyester hydrophilic soft monomers were prepared using 4,4'-diphenylmethane diisocyanate (MDI) and 1,4-butanediol (BDO) as hard segments.Furthermore,the effect of microstructure and soft segment on moisture permeability and water resistance of the hydrophilic polyurethanes was researched.The results showed that some factors had remarkable effects on the waterproof and breathable,including the soft segment structure,composition,molecular weight,concentration and the degree of microphase separation.The most important factor on waterproof and breathable of hydrophilic polyurethane was the soft segment hydrophilic and activity.

hydrophilic polyurethanepolyetherpolyesterwaterproof and breathablemicro phase separation

权衡、倪丽杰、姜会钰、黎谦、涂超

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武汉纺织大学化学与化工学院 武汉430073

水性聚氨酯 聚醚 聚酯 防水透湿 微相分离

本项目《绿色改性新型纺织助剂研究》获武汉纺织大学重大科技项目本项目《温度感应型织物防水透湿整理剂的研制》为陕西省教育厅自然科学专项资助项目本项目《温敏型聚氨酯整理剂暨智能化防水透汽纺织面料的开发》为广州市科技局科技攻关计划项目

04JK1812006Z3-D0421

2013

聚氨酯工业
中国聚氨酯工业协会 江苏省化工研究所有限公司

聚氨酯工业

CSTPCD
影响因子：0.507
ISSN：1005-1902
年,卷(期)：2013.28(4)
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