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新型聚酯多元醇水分散体的制备
引用本文:任娜娜,胡哲辉,刘志平,曹银祥,刘娅莉.新型聚酯多元醇水分散体的制备[J].涂料工业,2011,41(8).
作者姓名:任娜娜  胡哲辉  刘志平  曹银祥  刘娅莉
作者单位:1. 湖南大学化学化工学院,长沙,410082
2. 浙江环达漆业集团有限公司,浙江龙游,324401
摘    要:先采用间苯二甲酸-5-磺酸钠(5-SSIPA)与新戊二醇(NPG)反应制得聚酯中间体,再将一定量的聚酯中间体与多元羧酸和多元醇进行反应,同时引入叔碳酸缩水甘油酯(CARDURAE-10),制备了聚酯多元醇水分散体.用红外光谱(FT-IR)和激光粒度分析仪对产物结构及其稳定性进行了表征;并考察了5-SSIPA/NPG对聚酯中间体的影响及合成工艺、催化剂、聚酯中间体用量、叔碳酸缩水甘油酯对反应体系的影响.结果表明:选择合适的合成工艺或加入催化剂可明显缩短反应时间;聚酯中间体用量约为单体总质量的12%时,得到的产物稳定性较好;叔碳酸缩水甘油酯的引入能有效降低树脂的黏度、减小水分散体粒径,并提高涂膜最终的耐酸、耐碱及耐水性能.

关 键 词:聚酯多元醇  间苯二甲酸-5-磺酸钠  聚酯中间体  水分散体  双组分水性聚氨酯

Preparation of Novel Polyester Polyol Dispersion
Ren Nana,Hu Zhehui,Liu Zhiping,Cao Yinxiang,Liu Yali.Preparation of Novel Polyester Polyol Dispersion[J].Paint & Coatings Industry,2011,41(8).
Authors:Ren Nana  Hu Zhehui  Liu Zhiping  Cao Yinxiang  Liu Yali
Affiliation:Ren Nana1,Hu Zhehui1,Liu Zhiping2,Cao Yinxiang2,Liu Yali1 (1.Department of Chemistry and Chemical Engineering,Hunan University,Changsha 410082,China,2.Zhejiang Huanda paint Enterprise Group Co.Ltd.,Longyou,Zhejiang 324401,China)
Abstract:A polyester intermediate was synthesized using 5-sulfoisophthalic acid monosodium salt and neopentyl glycol as materials,which was then used to prepare polyester polyol dispersion with polycarboxylic acids,polyols and CARDURA E10.The structure and the stability of the product were characterized by fourier transform infrared(FT-IR) and laser particle size analyzer.The effect of 5-SSIPA/NPG on the properties of the polyester intermediate and the influences of sythetic process,catalyst,amount of polyester inte...
Keywords:polyester polyol  5-sulfoisophthalic acid monosodium salt  polyester intermediate  dispersion  two-component waterborne polyurethane  
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