CPC E04D 7/005 (2013.01) [C08K 3/013 (2018.01); C08K 5/01 (2013.01); C08L 95/00 (2013.01); C09D 195/00 (2013.01); E04D 1/20 (2013.01); E04D 1/26 (2013.01); E04D 1/28 (2013.01); E04D 1/30 (2013.01); E04D 1/34 (2013.01); C08L 9/06 (2013.01); C08L 2555/72 (2013.01); C08L 2555/84 (2013.01); E04D 12/002 (2013.01); E04D 2001/005 (2013.01); E04D 2001/347 (2013.01); E04D 2001/3423 (2013.01); E04D 2001/3467 (2013.01); E04D 2001/3482 (2013.01); E04D 2001/3491 (2013.01)] | 5 Claims |
1. A roofing shingle comprising:
a substrate;
an asphalt coating composition on the substrate; and
a nail zone reinforcement material disposed on the asphalt coating composition, the nail zone reinforcement material comprising a polyester fabric, wherein a surface of the polyester fabric is modified by NaOH treatment,
wherein NaOH treatment of the polyester fabric creates an increase in carboxylic acid groups that increase adhesion between the nail zone reinforcement material and the asphalt coating composition compared to a polyester fabric that has not been modified by NaOH treatment disposed on an identical asphalt coating composition.
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