Composite sheet made from mechanically delaminated vermiculite

Details Composite sheet made from mechanically delaminated vermiculite Composite sheet made from mechanically delaminated vermiculite

1988-12-28

1992-08-18

Chin, Peter

Paper making and fiber liberation

Processes and products

Plural fiber containing

162152, 1621646, 1621683, 1621816, 162183, D21H 1344

Patent

active

051396157

ABSTRACT:
Disclosed is a process for making a composite sheet using papermaking techniques. The composite sheet comprises (1) 20% to 99%, based on the weight of solids, of vermiculite delaminated by mechanical shearing only, (2) 1% to 80%, based on the weight of solids, of at least one fibrous material and (3) 0.1% to 10%, based on the weight of the vermiculite, of at least one flocculating agent.

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patent: 4442164 (1984-04-01), Briggs et al.
patent: 4543287 (1985-09-01), Briggs et al.
patent: 4707298 (1987-11-01), Tymon
patent: 4762643 (1988-08-01), Bohrn et al.
patent: 4801403 (1989-01-01), Lu et al.
White et al., Ceramic and Mineral Wool Fibers in Wet Web-Forming Processes, Tappi Journal, vol. 70, No. 12, pp. 67-74.
Ser. No. 07/290,592; H. T. Conner Case 1-2; Water Resistant Mineral Products: Filed Dec. 27, 1988.

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