发明名称 |
Binder resin for a heat transfer layer and heat transfer ink ribbon |
摘要 |
A binder resin for a heat transfer layer, which consists essentially of a polyvinyl acetacetal resin (I) having an acetacetalation degree of at least 87% by weight, the weight ratio of cis-vinyl acetacetal moiety/trans-vinyl acetacetal moiety in the acetacetal moiety of the resin (I) being from 1 to 4.
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申请公布号 |
US5268350(A) |
申请公布日期 |
1993.12.07 |
申请号 |
US19930029056 |
申请日期 |
1993.03.10 |
申请人 |
DENKI KAGAKU KOGYO KABUSHIKI KAISHA;SONY CORPORATION |
发明人 |
OTAKE, HIROHISA;OZAI, SATOSHI;NISHIJIMA, AKIO |
分类号 |
B41M5/035;B41M5/395;(IPC1-7):B41M5/035;B41M5/38 |
主分类号 |
B41M5/035 |
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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