发明名称 |
WATER BLOWN POLYURETHANE INTEGRAL SKIN FOAM HAVING IMPROVED ABRASION RESISTANCE |
摘要 |
This invention relates to a process for preparing integral skin foams from a specific reaction mixture. The isocyanate of this reaction mixture comprises a stable, liquid MDI based prepolymer containing an allophanate-modified MDI, and having an NCO content of 5 to 30%. This isocyanate comprises the reaction product of an allophanate-modified MDI and a polyether polyol. Integral skin foams prepared from these allophanate-modified isocyanate prepolymers exhibit improved properties and improved resistance to Taber abrasion in comparison to conventional isocyanate prepolymers.
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申请公布号 |
CA2207468(A1) |
申请公布日期 |
1998.01.15 |
申请号 |
CA19972207468 |
申请日期 |
1997.06.11 |
申请人 |
BAYER CORPORATION |
发明人 |
SLACK, WILLIAM E.;MADAJ, EDMUND J. |
分类号 |
C08J9/02;C08G18/00;C08G18/48;C08G18/66;C08G18/78;C08G18/80;C08G101/00;(IPC1-7):C08G18/10;C08G18/76;C08J9/08 |
主分类号 |
C08J9/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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