Precoat treatment for improving cellulosic insulation

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

E - Fixed Constructions

04

B

E04B 1/94 (2006.01) A62C 2/06 (2006.01)

Patent

CA 2144397

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.

Le revêtement d'un isolant de papier filamenté avec un agent ignifuge en poudre ou en particules est rehaussé en le mélangeant avec un agent antistatique. Ce revêtement peut être amélioré davantage en appliquant une précouche composée d'un agent ignifuge ainsi que d'un agent antistatique (cette précouche ne contenant qu'une partie relativement petite du revêtement ignifuge final) et, subséquemment, en recouvrant les particules de papier avec le reste de l'agent ignifuge.

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