摘要
研究了乳胶粒组成对含有环氧基、氨基和羧基的多层核壳型室温自交联乳液的涂膜性能。结果表明，为了获得最佳的涂膜性能，核壳型自交联乳液的中间层厚度要适当。中间层官能单体为甲基丙烯酸（ Ｍ Ａ Ａ）时，其涂膜性能比采用丙烯酸或甲基丙烯酸羟乙酯好，增加 Ｍ Ａ Ａ 用量有利于涂膜交联密度的提高和涂膜性能的改善。中间层主单体改变对涂膜性能没有明显的影响。聚合过程中添加分子量调节剂，对涂膜交联密度的提高和涂膜性能的改善不利。
Study w as carried outofthe influence oflatex granule com position on properties ofm ultiple core shell G A Dem ulsion film containing glycidyl, am ino and carboxylic groups self crosslinkable atam bienttem perature. The resultsshow ed thata proper thickness ofthe interm ediate of the core shellself crosslinking em ulsion w as needed in order toobtain the optim um film properties. The film properties ofthe latex containing M A A w ere better than those contain ing A A or H E M A. An increase in content of M A A w as favourable to im provem enton crosslinking density and prop erties of the film . A change in the ratio of M M A/ B A had no obvious effect on film properties. Addition ofm olecularw eight m odifier in the process of polym erization w as harm fulto im provem ent on crosslinking density of the film andim provem ent on film properties.
出处
《化学建材》
CAS
1999年第5期17-19,共3页
Chemical Materials for Construction
关键词
自交联乳液
乳胶膜
交联密度
耐水性
self crosslinking em ulsion
latex film
crosslinking density
w ater resistance
hardness
