| 发明名称 |
Modifiers for aqueous basic solutions of phenolic resole resins |
| 摘要 |
The subject invention relates to modifiers for aqueous basic solutions of phenolic resins. The modifiers are open-chain ether alcohols or ketone alcohols. They assist in stabilizing the aqueous basic solutions of phenolic resole resins and improve the tensile strength of foundry shapes prepared from foundry mixes made with the aqueous basic solutions.
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| 申请公布号 |
US4780489(A) |
申请公布日期 |
1988.10.25 |
| 申请号 |
US19870050996 |
申请日期 |
1987.05.15 |
| 申请人 |
ASHLAND OIL, INC. |
发明人 |
DUNNAVANT, WILLIAM R.;FECHTER, ROBERT B.;HYSELL, GARY R.;KIM, YOUNG D.;LANGER, HEIMO J. |
| 分类号 |
B22C1/20;B22C1/22;C08K5/06;C08K5/07;(IPC1-7):C08K5/07 |
主分类号 |
B22C1/20 |
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