| 发明名称 |
REACTIVE PHENOLIC RESIN MODIFIER |
| 摘要 |
A low molecular weight lignin fraction having a pre-selected molecular weight range prepared from lignin solution by ultrafiltration. The invention also relates to phenol-formaldehyde resin modified by the lignin fraction, adhesive comprising the modified resin, and a method for producing the lignin fraction and the resin.
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| 申请公布号 |
CA2070500(C) |
申请公布日期 |
1997.10.14 |
| 申请号 |
CA19922070500 |
申请日期 |
1992.06.04 |
| 申请人 |
GEORGIA-PACIFIC RESINS, INC. |
发明人 |
DUPRE, FREDERICK C., JR.;MCVAY, TED;BAXTER, GENE F. |
| 分类号 |
C08H5/02;(IPC1-7):C07G1/00;C08L93/00;C09J197/02;C09J161/10;C08L61/10 |
主分类号 |
C08H5/02 |
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