Title:
A METHOD FOR PREPARING A HIGH STRENGTH COMPOSITE AND FIBROUS WEB COMPRISING A DRIED COMPOSITE
Kind Code:
B1
Abstract:
Abstract of EP0000921
High strength composites prepared by (A) mixing (1) an aqueous slurry of negatively charged, water-insoluble natural or synthetic fiber such as cellulose fiber, (2) a latex having a high density of pH independent cationic charges, such as sulfonium, bound at or near the particle surface, (3) a water-soluble, high molecular weight anionic polymer co-additive, such as a hydrolyzed polyacrylamide and optionally (4) conventional wet and additives; (B) draining water from the resulting aqueous suspension and (C) drying by heating.
High strength composites prepared by (A) mixing (1) an aqueous slurry of negatively charged, water-insoluble natural or synthetic fiber such as cellulose fiber, (2) a latex having a high density of pH independent cationic charges, such as sulfonium, bound at or near the particle surface, (3) a water-soluble, high molecular weight anionic polymer co-additive, such as a hydrolyzed polyacrylamide and optionally (4) conventional wet and additives; (B) draining water from the resulting aqueous suspension and (C) drying by heating.
Inventors:
Pickelman, Dale Martin
Foster, William Albert
Wessling, Ritchie Antone
Foster, William Albert
Wessling, Ritchie Antone
Application Number:
EP19780100676
Publication Date:
12/02/1981
Filing Date:
08/16/1978
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Export Citation:
Assignee:
THE DOW CHEMICAL COMPANY
International Classes:
C08F8/00; C08F8/00; D21H17/00; D21H17/34; D21H17/37; D21H17/43; D21H21/00; D21H21/54; (IPC1-7): D21D3/00; C08F212/14; C08F8/00; C08F257/02; C08F279/02; D21H3/38; C08F257/02; C08F279/02
European Classes:
C08F8/00+257/02; D21H17/34; D21H17/37B; D21H17/43; D21H21/54