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.
US8907002B2
申请人:——
公开号:US8907002B2
公开(公告)日:2014-12-09
BILAS, W.;HOEBOLD, W.;PRITZKOW, W., J. PRAKT. CHEM., 1982, 324, N 1, 125-141