使用羟基酸类单体对端羧基聚酯预聚物进行封端获得的水溶性聚酯树脂,具有30 mgKOH/g~60mgKOH/g的酸值范围与20mgKOH/g~130mgKOH/g的羟值范围,-50℃~60℃的玻璃化温度,3000~13000的数均分子量.该树脂具有良好的水溶性、储存稳定性、抗水解性、耐水性以及优秀的涂膜性能等,适用于涂料、油墨、粘合剂、及化纤纺织等领域.
A water-soluble polyester resin made by using hydroxy acid monomers end-capping the carboxyl-ter-minated polyester prepolymer,includes an acid value range of 30mgKOH/g ~60mgKOH/g and a hydroxyl value scope of 20mgKOH/g~130mgKOH/g,with a glass transition temperature range from -50℃ to 60℃ and a number average molecular weight of 3000~13000. This resin has excellent water solubility,storage stability,hydrolysis re-sistance,water resistance and outstanding mechanical properties,it is suitable for coating,ink,adhesive,textile and chemical fiber etc.
参考文献
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