发明名称 |
POLYOL BLENDS FOR PRODUCING HYDROCARBON-BLOWN POLYURETHANE AND POLYISOCYANURATE FOAMS |
摘要 |
Disclosed are aromatic polyester polyols, polyester polyol resin blends, methods for preparing such compositions and polyurethane and polyisocyanurate foams made using the compositions, wherein the resin blends generally comprise: (a) an aromatic polyester polyol formed by a reaction between a phthalic acid based material; a hydroxylated material having a functionality of at least 2; and a hydrophobic material; (b) a nonionic surfactant; and (c) a C4-C7 hydrocarbon blowing agent.
|
申请公布号 |
WO9919377(A1) |
申请公布日期 |
1999.04.22 |
申请号 |
WO1998US21077 |
申请日期 |
1998.10.07 |
申请人 |
STEPAN COMPANY;HICKEY, F., LEO |
发明人 |
HICKEY, F., LEO |
分类号 |
C08G18/40;C08G18/42;C08J9/14;(IPC1-7):C08G18/42 |
主分类号 |
C08G18/40 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|