Method for the production of a fibrous mat

Details Method for the production of a fibrous mat Method for the production of a fibrous mat

1980-02-19

1981-08-18

Smith, William F.

Paper making and fiber liberation

Processes and products

Mineral fiber

162168R, 162169, 162185, 162205, D21F 1100

Patent

active

042844711

ABSTRACT:
A suspension of artificial mineral fibers and cellulosic fibers is dewatered during shaping on a wire. The sheet is thereafter pressed and dried. A latex emulsion binder is added to the mat after the mat has been partially dried to a solids content of 60 to 90%. The mat product has physical properties, including impression resistance, comparable to previously known asbestos-containing products.

REFERENCES:
patent: 2732295 (1956-01-01), Hollenberg
patent: 2773763 (1956-12-01), Scott
patent: 3950218 (1976-04-01), Levesque
patent: 4072558 (1978-02-01), Allevson
patent: 4081318 (1978-03-01), Wietsma
patent: 4159224 (1979-06-01), Cederqvist et al.
patent: 4193841 (1980-03-01), Cederqvist et al.

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