现代涂料与涂装
現代塗料與塗裝
현대도료여도장
MODERN PAINT & FINISHING
2012年
1期
10-15,28
,共7页
吕夏阳%廖玉%曹德榕%李阿峰%陈华%樊国栋%李会宁
呂夏暘%廖玉%曹德榕%李阿峰%陳華%樊國棟%李會寧
려하양%료옥%조덕용%리아봉%진화%번국동%리회저
水性聚氨酯%异氰酸酯%改性%封闭剂
水性聚氨酯%異氰痠酯%改性%封閉劑
수성취안지%이청산지%개성%봉폐제
waterborne polyurethane%isocyanate%modification%blocker
介绍了聚氨酯亲水改性的4种方法，即非离子、阳离子、阴离子和混合改性。在亲水改性基础之上又讨论了封闭型水性异氰酸酯的封闭机理、封闭剂种类及特点。阐述了水性聚氨酯固化剂在双组分涂料中的应用问题及发展趋势。
介紹瞭聚氨酯親水改性的4種方法，即非離子、暘離子、陰離子和混閤改性。在親水改性基礎之上又討論瞭封閉型水性異氰痠酯的封閉機理、封閉劑種類及特點。闡述瞭水性聚氨酯固化劑在雙組分塗料中的應用問題及髮展趨勢。
개소료취안지친수개성적4충방법，즉비리자、양리자、음리자화혼합개성。재친수개성기출지상우토론료봉폐형수성이청산지적봉폐궤리、봉폐제충류급특점。천술료수성취안지고화제재쌍조분도료중적응용문제급발전추세。
Four kinds of hydrophilic modification methods of polyurethane, namely the nonionic modification, cationic modification, anionic modification and mixed modification methods were introduced. The block mechanism, blocker type and properties of blocked isocyanates were discussed based on the hydrophilic modification. The application problems and development trend of waterborne polyurethane curing agent in two components coating were discussed.
