| 发明名称 |
Hyperbranched polyether polyol and urethane resin composition |
| 摘要 |
A hyperbranched polyether polyol obtained by a ring-opening reaction between a hydroxyalkyloxetane (a1) and a monofunctional epoxy compound (a2), wherein the polyether polyol includes a primary hydroxyl group (H1) and a secondary hydroxyl group (H2) in the molecular structure thereof, and has a number average molecular weight (Mn) of 1,000 to 4,000 and a hydroxyl value of 150 to 350 mg·KOH/g. |
| 申请公布号 |
US8703898(B2) |
申请公布日期 |
2014.04.22 |
| 申请号 |
US20080308656 |
申请日期 |
2008.12.19 |
| 申请人 |
FRINGS RAINER B.;OOKI TOSHIHIRO;TAKADA YASUHIRO;HAYAKAWA HITOSHI;DIC CORPORATION |
发明人 |
FRINGS RAINER B.;OOKI TOSHIHIRO;TAKADA YASUHIRO;HAYAKAWA HITOSHI |
| 分类号 |
C08G18/48;C08G18/72;C08G65/18;C08G65/22;C08G65/26;C08L75/08 |
主分类号 |
C08G18/48 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
