Precoat treatment for improving cellulosic insulation

Details Precoat treatment for improving cellulosic insulation Precoat treatment for improving cellulosic insulation

1994-03-14

1995-03-21

Beck, Shrive

Coating processes

Solid particles or fibers applied

Applying superposed diverse coatings or coating a coated base

252 2, A62C 206

Patent

active

053993756

ABSTRACT:
The coating of shredded paper insulation with a powdered or particulate fire retardant agent mixed with an anti-static agent to enhance coating is further improved by applying a precoat of a mixture of fire retardant agent and anti-static agent, the precoat mixture containing only a relatively minor portion of the final fire retardant coating, and subsequently coating the paper particles with the remaining fire retardant agent.

REFERENCES:
patent: 3983040 (1976-09-01), Draganov
patent: 4172804 (1979-10-01), Christianson et al.
patent: 4182681 (1980-01-01), Gumbert
patent: 4184311 (1980-01-01), Rood
patent: 4374171 (1983-02-01), McCarter
patent: 4386119 (1983-05-01), Draganov
patent: 4645696 (1987-02-01), Rood

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