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1、第29卷第2期纺织学报Vol.29No.22008年2月JournalofTextileResearchFeb.2008文章编号:025329721(2008)0220068205酮肼交联型丙烯酸酯聚氨酯涂料印花黏合剂1,21,21,21,23杨建军,张建安,吴庆云,吴明元,瞿贤超,31,21,2崔国庭,王小君,唐礼道(1.安徽大学化学化工学院,安徽合肥230039;2.安徽大学安徽省绿色高分子材料重点实验室,安徽合肥230039;3.合肥安大天辐新材料有限公司,安徽合肥230088)摘要针对目前所用涂料印花黏合剂存在的色牢度低和甲醛含
2、量高的缺陷,采用钴602γ辐射法聚合工艺,利用丙烯酸酯单体、双丙酮丙烯酰胺(DAAM)合成出含活性酮羰基的丙烯酸酯乳液;然后同含端酰肼基聚氨酯乳液按一定的比例混合,制备出酮肼交联型丙烯酸酯聚氨酯(PUA)复合乳液。通过红外光谱、力学性能和耐水性能检测对该复合乳液进行了分析和表征,并对涂料印花黏合剂的色牢度和环保性能进行检测。结果表明:DAAM的质量分数为1130%~1140%时,PUA复合乳液的性能较好,基于该乳液制备的黏合剂为无醛、无APEO的环保型产品;用于织物的涂料印花,其耐刷洗色牢度和耐摩擦色牢度提高,甲醛含量满足婴幼儿服装要求
3、。关键词辐射聚合;乳液;聚氨酯;丙烯酸酯;酮肼交联;涂料印花中图分类号:TS194.443文献标识码:AKetone2hydrazidecrosslinkingpolyurethane2acrylatepigmentprintingbinder1,21,21,21,2YANGJianjun,ZHANGJian′an,WUQingyun,WUMingyuan,331,21,2QUXianchao,CUIGuoting,WANGXiaojun,TANGLidao(1.SchoolofChemistryandChemicalEngineeri
4、ng,AnhuiUniversity,Hefei,Anhui230039,China;2.TheKeyLaboratoryofEnvironment2friendlyPolymerMaterialsofAnhuiProvince,AnhuiUniversity,Hefei,Anhui230039,China;3.HefeiAndaTianfuNewMaterialsCo.,Ltd.,Hefei,Anhui230088,China)AbstractAimingattheshortcomingsofhighformaldehydeconte
5、ntandlowsoapingandcrockingfastnessesof60currentlyusedpigmentprintingbinder,byCo2γradiationpolymerizationprocess,thewaterbornepolyacrylate(PA)emulsioncontainingactiveketogroupswassynthesizedfromacrylatemonomersanddiacetoneacrylamide(DAAM).Thenketone2hydrazidepolyurethane2
6、acrylate(PUA)hybridemulsionswereobtainedbyblendingtheadipicdihydrazides(ADH)groups2terminatedPUemulsionandthePAemulsionaccordingtoagivenproportionofDAAMandADH.Themechanicalpropertiesandwater2resistingpropertiesofPUAhybridemulsionswerestudiedbymeansofFT2IR,etc.Thecolourfa
7、stnessandenvironmentalprotectionbehaviorofthepigmentprintingbinderbasedonPUAhybridemulsionsweretested.TheresultsshowedthatthePUAhybridemulsionsprovidesoptimumpropertieswhenthecontentsofDAAMarearound1130-1140percent,andthepigmentprintingbinderisanenvironmental2friendlypro
8、ductfreefromformaldehydeandAPEO.Andthepropertiesoftheprintedfabricsusingthebindersuchassoapingandcrocki