DUSSAULT, PATRICK;SAHLI, AYMAN, TETRAHEDRON LETT., 31,(1990) N6, C. 5117-5120
作者:DUSSAULT, PATRICK、SAHLI, AYMAN
DOI:——
日期:——
COATINGS FOR USE IN HIGH HUMIDITY CONDITIONS
申请人:Chen Yue
公开号:US20140179859A1
公开(公告)日:2014-06-26
The present invention is directed to a coating composition comprising a vinyl acrylic copolymer latex wherein said copolymer latex has a water contact angle of about 60° or higher on the dried latex film surface, wherein said copolymer latex further has a specific water vapor permeability of about 0.5 mg/cm
2
/mm/24 hr. The invention is also directed to the copolymer latex itself. Further, the invention is a method of improving a coating's ability to withstand a high humidity environment comprising adding a vinyl acrylic copolymer latex to the coating composition wherein said copolymer latex has a water contact angle of about 60° or higher on the dried latex film surface, and wherein said copolymer latex further has a specific water vapor permeability of about 0.5 mg/cm
2
/mm/24 hr.