发明名称 |
Colour developer compositions for carbonless paper copying systems. |
摘要 |
<p>There is disclosed a coating composition for the preparation of a CF sheet (i.e. a receiving sheet) of a carbonless paper copying system comprising a CF sheet and a CB sheet (i.e. a donating sheet). The coating composition comprises a colour developer and an extender, wherein the extender comprises a particulate inorganic material which has been modified by treatment with a treating agent which has (i) a non-polar hydrophobic portion comprising at least one hydrocarbon group having a chain length of from 8 to 30 carbon atoms and (ii) a polar portion which is capable of binding with sites on the surface of the pigment particles.</p> |
申请公布号 |
EP0626270(A2) |
申请公布日期 |
1994.11.30 |
申请号 |
EP19940302728 |
申请日期 |
1994.04.18 |
申请人 |
ECC INTERNATIONAL LIMITED |
发明人 |
GANE, PATRICK ARTHUR CHARLES |
分类号 |
B41M5/132;B41M5/155;(IPC1-7):B41M5/155 |
主分类号 |
B41M5/132 |
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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