| 发明名称 |
POLYESTER/STARCH PAPER SIZING |
| 摘要 |
<p>The specification describes a composition which comprises degraded starch and a polyester of a polyhydric alcohol and a trimellitic acid compound. The polyester has an average molecular weight under about 4,000 and an acid number of at least 35. The polyester is present in a weight ratio of 0.1 to 100 parts by weight per each 100 parts by weight of the degraded starch solid. The specification also describes a method of improving the water-resistance of paper by sizing the paper at a size press with such a composition.</p> |
| 申请公布号 |
CA1051570(A) |
申请公布日期 |
1979.03.27 |
| 申请号 |
CA19750236615 |
申请日期 |
1975.09.29 |
| 申请人 |
STANDARD OIL COMPANY |
发明人 |
BATEMAN, MARK E.;HOLDA, EUGENE M. |
| 分类号 |
C08L67/00;C08L3/02;C08L67/08;C09J167/00;D21H17/28;D21H17/53;D21H19/24;D21H19/54;D21H19/62;(IPC1-7):08L3/02;08L67/00 |
主分类号 |
C08L67/00 |
| 代理机构 |
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代理人 |
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