Method of producing acoustical fiberboard

Details Method of producing acoustical fiberboard Method of producing acoustical fiberboard

1977-12-21

1980-02-26

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Plural fiber containing

162152, 162178, 162183, 162DIG9, D21H 518

Patent

active

041904923

ABSTRACT:
An improved method for producing acoustical fiberboard, which method comprises adding agglomerate articles formed from an aqueous composition comprising fiberboard dust, a glactomannan gum or glactomannan gum derivative, and a crosslinking agent to an aqueous fiberboard slurry, is disclosed. The resulting acoustical fiberboard exhibits excellent sound absorption.

REFERENCES:
patent: 3235444 (1966-02-01), Kruger
patent: 3578588 (1971-05-01), Tsuk
patent: 3769116 (1973-10-01), Champeau
patent: 3895997 (1975-07-01), Haywood

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