摘要
本文采用降低甲醛和尿素摩尔比、同时加入改性剂聚乙烯醇和分批加尿素的方法合成脲醛树脂。可降低脲醛树脂中游离甲醛的含量．提高树脂的耐水性。
UF resin with lower content of free forn1aldehyde and improved water resistance,can be obtained by decreasing formaldchyde/urea molar ratio, adding polyvinyl alcohol modifier and charging urea by three times.
出处
《中国胶粘剂》
CAS
1995年第6期35-37,共3页
China Adhesives
关键词
脲醛树指
胶粘剂
耐水性
UF resin
adhesive
water resistance
