| 发明名称 |
PROCESS FOR THE PREPARATION OF CRYSTALLIZATION-RESISTANT DISPROPORTIONATED ROSIN |
| 摘要 |
<p>There is provided a crystallization-resistant disproportionated rosin prepared by heating a rosin material at temperatures between 250 DEG C. and 275 DEG C. in the presence of from 0.3 percent to 1 percent of specific phenol sulfides, hereinafter defined, for a time sufficient to increase the 9,10-secode-hydroabietic acid content to at least about 5 percent.</p> |
| 申请公布号 |
CA1028318(A) |
申请公布日期 |
1978.03.21 |
| 申请号 |
CA19740198370 |
申请日期 |
1974.04.29 |
| 申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
THORPE, SUSAN D.;DAVIS, CURRY B.;WHEELUS, CHARLES G. |
| 分类号 |
C09F1/00;C09F1/04;(IPC1-7):09F1/04 |
主分类号 |
C09F1/00 |
| 代理机构 |
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