Papermaking process and product |
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| 申请号 | US94860 | 申请日 | 1960-01-07 | 公开(公告)号 | US3093534A | 公开(公告)日 | 1963-06-11 |
| 申请人 | COURTAULDS LTD; | 发明人 | FILLING JAMES H; | ||||
| 摘要 | |||||||
| 权利要求 | 1. A METHOD FOR MAAKING PAPER WHICH COMPRISES FORMING AN AQUEOUS PAPER-MAKING SLURRY HAVING A FIBROUS COMPONENT COMPRISING BETWEEN ABOUT 10% AND ABOUT 75% BY WEIGHT REGENERATED CELLULOSE FIBER AND BETWEEN ABOUT 90% AND ABOUT 25% BY WEIGHT NATURAL CELLULOSE FIBER, SAID SLURRY ALSO CONTAINING BETWEEN ABOUT 0.01 AND ABOUT 1% BY WEIGHT OF A POLYACRYLIC ACID HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 200,000 AND ABOUT 860,000, AND FORMING SAID SLURRY INTO PAPER. |
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| 说明书全文 | |||||||
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