Cellulosic-based particulate insulation and method of manufactur

Details Cellulosic-based particulate insulation and method of manufactur Cellulosic-based particulate insulation and method of manufactur

1985-08-26

1988-07-05

Clingman, A. Lionel

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

162159, 162166, 1621812, 252 62, 252607, C09D 514

Patent

active

047552255

ABSTRACT:
Flame and combustion retardant insulative materials are manufactured by subjecting cellulosic pulp rejects to a dewatering operation to remove approximately 25% of the water; flash-drying the obtained partially dewatered rejects, causing the rejects to expand and become porous; applying a flame or combustion retardant material to impregnate and coat the expanded and porous cellulosic material, and drying. The thus impregnated and coated cellulosic materials have high insulative values while being highly resistant to flame and smoldering combustion.

REFERENCES:
patent: 4519918 (1985-05-01), Ericsson et al.
patent: 4537877 (1985-08-01), Ericsson

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