| 发明名称 |
Impact resistant polyureaurethane and polyureaurethane prepolymer having low NCO/OH ratio |
| 摘要 |
The present invention relates to a polyureaurethane wherein the prepolymer comprising said polyureaurethane has a NCO to OH equivalent ratio of from 2.0 to less than 2.5. In an embodiment, the polyureaurethane prepolymer comprises a polyisocyanate and at least one OH-containing material, which can be reacted with an amine-containing curing agent to produce the polyureaurethane of the present invention. |
| 申请公布号 |
AU2002367481(B2) |
申请公布日期 |
2006.10.26 |
| 申请号 |
AU20020367481 |
申请日期 |
2002.11.14 |
| 申请人 |
PPG INDUSTRIES OHIO, INC. |
发明人 |
WILLIAM H MCDONALD |
| 分类号 |
C08G18/12;G02B1/04;C08G18/40;C08G18/42;C08G18/48;C08G18/65;C09D175/04 |
主分类号 |
C08G18/12 |
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