发明名称 |
PROCESS AND DEVICE FOR MANUFACTURING CELULOSE SHEETS |
摘要 |
Method for the preparation of cellulose sheet by extrusion of a heated solution of cellulose in a tertiary amine-oxide, which method includes using an extrusion die with an extrusion orifice, characterised in that, immediately below the extrusion orifice there is provided an inlet for cooling gas to cool the extruded sheet. The method according to the invention is especially suitable for the preparation of cellulose tubular films. |
申请公布号 |
RO112829(B1) |
申请公布日期 |
1998.01.30 |
申请号 |
RO19950000785 |
申请日期 |
1994.07.27 |
申请人 |
LENZING AKTIENGESELLSCHAFT, LENZING |
发明人 |
ZIKELI STEFAN;ECKER FRIEDRICH;RAUCH ERNST;RENNER KLAUS;SCHONBERG ANTON |
分类号 |
A22C13/00;B29C;B29C47/00;B29C47/20;B29C47/88;B29C55/28;B29K1/00;B29L7/00;C08J5/18 |
主分类号 |
A22C13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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