发明名称 |
AGREGADO DE FIBRAS CELULOSICAS E PROCESSO PARA SUA PREPARACAO,PROCESSO PARA PREPARAR UMA MATRIZ COMPRIMIDA E MATRIZ COMPRIMIDA |
摘要 |
<p>A cellulosic fibrous aggregate formed from sections of cellulosic fibrous material by a process which comprises: a softening stage comprising softening a plurality of sections of cellulosic fibrous material by the action of an aqueous softening agent at elevated temperature, thereby at least partially breaking down the cellulosic cross-linking in the cellulosic fibrous material; a compression stage comprising pressing together the softened sections of cellulosic fibrous material to form a compressed matrix; and a consolidation stage comprising dewatering and consolidating the compressed matrix to form a consolidated matrix, and a process for its preparation comprising the aforementioned softening, compression and consolidation stages.</p> |
申请公布号 |
BR8906508(A) |
申请公布日期 |
1990.08.28 |
申请号 |
BR19898906508 |
申请日期 |
1989.12.15 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV |
发明人 |
HERMAN PETRUS RUYTER;ANTON HORTULANUS;JAN DEKKER |
分类号 |
B27N3/02;B27N1/00;B27N3/08;B27N3/14;B29C67/04;B29K1/00;B29K105/04;B29K105/12;B29L7/00;C08L97/02;D21J1/04;D21J1/08;(IPC1-7):D21B1/04;D21C1/06 |
主分类号 |
B27N3/02 |
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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