Fibrous insulation mat with anti-punking binder system

Details Fibrous insulation mat with anti-punking binder system Fibrous insulation mat with anti-punking binder system

D - Textiles, Paper

04

H

117/43

D04H 3/12 (2006.01) C08L 61/00 (2006.01) D04H 1/64 (2006.01)

Patent

CA 1160513

Abstract of the Disclosure The present invention comprises a low-cost, convenient -to use anti-punking binder system for use in bonding entangled masses of mineral fibers such as glass. The binder system comprises a phenolic-- formaldehyde resin mixed with a water soluble urea-foraldehyde resin, the urea-formaldehyde resin content in the binder system comprising an amount of about 5 to 50% by weight of the binder solids content. The urea-formaldehyde resin comprises about 59% urea, about 19% formaldehyde and about 22% water by weight. Silane, ammonia and ammonium sulfate may also be added.

391567

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