| 发明名称 |
Microcapsules with improved polyurea walls |
| 摘要 |
Improved microcapsules contain at least one wall which is the reaction product of at least one isocyanate-reactive group and an aromatic isocyanate which has the formula: <IMAGE> in which n=8 to 20. The microcapsules are useful in carbonless copy paper.
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| 申请公布号 |
US4847152(A) |
申请公布日期 |
1989.07.11 |
| 申请号 |
US19870105796 |
申请日期 |
1987.10.07 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
JABS, GERT;NEHEN, ULRICH;SCHOLL, HANS J. |
| 分类号 |
B41M5/28;B01J13/16;B41M5/165;B41M5/30;C08G18/08;C08G18/32;C08G18/76;C08G18/77 |
主分类号 |
B41M5/28 |
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