水性聚氨酯无醛交联剂的合成及应用  

Synthesis and application of formaldehyde-free waterborne polyurethane cross-linking agent

作　　者：史亚鹏 周向东[2,3] 张海玲 李胜兵 

机构地区：[1]江苏富淼科技股份有限公司,江苏苏州215613 [2]苏州大学纺织与服装工程学院,江苏苏州215021 [3]现代丝绸国家工程实验室,江苏苏州215123

出　　处：《印染》2012年第24期10-14,36,共6页China Dyeing and Finishing

摘　　要：以异佛尔酮二异氰酸酯(IPDI)、聚醚二元醇(PPG)、二羟甲基丁酸(DMBA)和三羟甲基丙烷(TMP)等为主要原料,采用自乳化法制备水性聚氨酯交联剂PCL-2。研究—NCO/—OH的摩尔分数比、DMBA和TMP用量等对产品性能的影响表明,当—NCO/—OH的摩尔分数比为1.6,DMBA和TMP用量分别为5%和1.0%时,制得的交联剂乳液稳定性和黏度,以及膜的力学性能和耐水性能良好。将交联剂PCL-2用于无机抗紫外整理棉织物的耐久处理,整理织物经50次水洗后,UPF值可保持在67.38,抗紫外耐久效果较好。Waterborne polyurethane cross-linking agent PCL-2 is synthesized by self-emulsification with isophorone diisocyanate （IPDI）, polyether binary alcohol（ PPG）, dimethylol butanoic acid（DMBA） and trimethylol propane（TMP） as main raw materi- als. The influences of nNCO/--OH molar ratio, DMBA and TMP dosages on product properties are discussed. The results show that the product prepared with -NCO/-OH molar ratio 1.6, DMBA 5 % and TMP 1.0% has good stability and viscosity of emulsion, and mechanical and waterproof properties of membrane. When cross-linking agent PCL-2 is applied to inorganic anti-UV finish of cotton fabric, the finished fabric after 50 laundering cycles features good anti-UV property with UPF value of 67.38.

关 键 词：防辐射整理 紫外辐射 交联剂 水性聚氨酯 棉织物 

分 类 号：TS195.2[轻工技术与工程—纺织化学与染整工程]