Abs modified urea formaldehyde resin shingles and mats

Details Abs modified urea formaldehyde resin shingles and mats Abs modified urea formaldehyde resin shingles and mats

B - Operations, Transporting

32

B

B32B 27/12 (2006.01) B32B 27/04 (2006.01)

Patent

CA 2564094

A composite sheet, and a process of making the same, including cured modified urea formaldehyde reinforced by glass fibers. The modifier is an acrylonitrile- butadiene-styre copolymer. A roofing shingle, formed by coating the composite sheet with filled asphalt, represents a major application of the composite sheet.

La présente invention concerne une feuille composite et un processus de fabrication de cette feuille, comprenant de l'urée formaldéhyde renforcée de fibres de verre. Ce modificateur est un copolymère acrylonitrile-butadiène-styrène. Cette invention concerne aussi un bardeau de toiture formé par recouvrement de la feuille composite avec de l'asphalte rempli, qui représente une application principale de cette feuille composite.

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