Release compositions for asphalt roofing materials and...

B - Operations – Transporting – 32 – B

Patent

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B32B 11/04 (2006.01)

Patent

CA 1214694

ABSTRACT A release coating for asphalt roofing sheet material comprises a mixture of fatty acid monoalkanol amides such as a mixture of cocamide MEA and stearamide MEA. The amides may be applied as dilute aqueous solutions or dispersions, and may be used with both asphalt shingles and roll roofing.

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