-
公开(公告)号:US20240076463A1
公开(公告)日:2024-03-07
申请号:US16062012
申请日:2017-06-13
发明人: HUIJUN-PARK YUAN , BIN YU , YIU KEUNG LING , DAVID J. WILLIAMS
IPC分类号: C08J9/00 , C08G18/16 , C08G18/18 , C08G18/22 , C08G18/42 , C08G18/76 , C08J9/12 , C08J9/14 , C08K5/521 , C09D5/02 , C09D5/18 , C09D7/63 , C09D175/06 , E04B1/80
CPC分类号: C08J9/0038 , C08G18/163 , C08G18/1816 , C08G18/225 , C08G18/42 , C08G18/7671 , C08J9/125 , C08J9/127 , C08J9/144 , C08K5/521 , C09D5/021 , C09D5/18 , C09D7/63 , C09D175/06 , E04B1/80 , C08J2201/022 , C08J2203/10 , C08J2203/162 , C08J2203/182 , C08J2375/06
摘要: Disclosed is a method of reducing the lambda aging of a polyurethane foam, a polyisocyanurate foam or a mixture thereof comprising producing the foam from a foamable composition comprising an isocyanate and a polyol premix composition comprising a polyol or mixture of polyols, a blowing agent selected from the group consisting of 1,3,3,3-tetrafluoropropene (1234ze), 1,1,1,4,4,4-hexafluorobut-2-ene (1336mzzm) and/or 1-chloro-3,3,3-trifluoropropene (1233zd) and a flame retardant wherein the flame retardant comprises 25 phpp or less of a phosphate based flame retardant.