发明名称 |
High strength non-woven fibrous material |
摘要 |
A high strength, non-woven fibrous material is prepared by (a) mixing an aqueous slurry of a negatively charged, water-insoluble natural or synthetic fiber or blend of fibers with an amount up to the fiber charge reversal point of a structured particle latex having pH independent cationic charges bound at or near the particle surface to form an aqueous suspension, (b) draining water from the aqueous suspension to form a wet web (c) wet pressing the web and (d) drying the web by heating.
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申请公布号 |
US4178205(A) |
申请公布日期 |
1979.12.11 |
申请号 |
US19770825319 |
申请日期 |
1977.08.17 |
申请人 |
DOW CHEMICAL CO THE |
发明人 |
FOSTER, WILLIAM A;PICKELMAN, DALE M;WESSLING, RITCHIE A |
分类号 |
D21H17/34;D21H17/44;(IPC1-7):D21H3/38 |
主分类号 |
D21H17/34 |
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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