| 发明名称 |
POLYMETHYLENE POLYPHENYL POLYISOCYANATE COMPOSITION FOR PREPARING HARD POLYURETHANE FOAM, PROCESS FOR PREPARING HARD POLYURETHANE FOAM AND HARD POLYURETHANE FOAM |
| 摘要 |
PROBLEM TO BE SOLVED: To obtain a hard polyurethane foam excellent in fire resistance, heat resistance, flame retardance, low smoking properties. SOLUTION: In the preparation of a hard polyurethane foam by reacting at least one polyisocyanate with a polyol, a polyisocyanate composition comprising 30-80 wt.% dimethylene triphenylene triisocyanate and 0.1-10 ppm metal component is used. |
| 申请公布号 |
JP2000212244(A) |
申请公布日期 |
2000.08.02 |
| 申请号 |
JP19990016662 |
申请日期 |
1999.01.26 |
| 申请人 |
MITSUI CHEMICALS INC |
发明人 |
INOUE HIROSHI;SHIBATA MASAAKI;TAKASAKI MICHIYA;MARUYAMA MAKOTO;SUGIURA KENICHI |
| 分类号 |
C08G18/76;C08G101/00;(IPC1-7):C08G18/76 |
主分类号 |
C08G18/76 |
| 代理机构 |
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