Viscose preparation using low concentration caustic |
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| 申请号 | EP82306013 | 申请日 | 1982-11-11 | 公开(公告)号 | EP0079766A3 | 公开(公告)日 | 1983-06-29 |
| 申请人 | E.I. DU PONT DE NEMOURS AND COMPANY; | 发明人 | Lindsey, William Bryan; | ||||
| 摘要 | A process for the production of an acceptably filterable viscose from cellulose whereby cellulose is treated with an aqueous solution containing 13 to 16 weight percent NaOH, peroxide aged, xanthated and dissolved in dilute aqueous NaOH. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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