Calcined serpentine as inorganic charge in sheet materials

Details Calcined serpentine as inorganic charge in sheet materials Calcined serpentine as inorganic charge in sheet materials

1983-03-11

1984-02-07

Chin, Peter

Paper making and fiber liberation

Processes and products

Plural fiber containing

162 3, 162152, 1621816, D21H 518

Patent

active

044301570

ABSTRACT:
There is provided an improved non-woven fibrous felt material made up of fibers, partially fibrous agglomerates of forsterite, enstatite and silica as filler and an organic binder. The improved felt material possesses increased hot tensile strength over felt material made from non-calcined asbestos tailings or inert inorganic fillers.

REFERENCES:
patent: 2210892 (1940-08-01), Brandenberg
patent: 2384008 (1945-09-01), Brandenberg
patent: 3014835 (1961-12-01), Feigley et al.
patent: 3215494 (1965-11-01), Hemstock
patent: 3725196 (1973-04-01), Winters
patent: 4225383 (1980-09-01), McReynolds
patent: 4277596 (1981-07-01), Lalancette
patent: 4287020 (1981-09-01), Moore

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