Zero voc aqueous dispersion of an acid-modified polyolefin...

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 23/26 (2006.01) C08F 255/00 (2006.01) C08J 3/03 (2006.01) C08J 7/04 (2006.01) C08L 27/22 (2006.01) C08L 51/06 (2006.01) C09D 7/02 (2006.01) C09D 123/26 (2006.01) C09D 127/22 (2006.01) C09D 151/06 (2006.01)

Patent

CA 2185860

An acid-modified polyolefin is dispersed in water by adding a hydroxy-functional ester made from a polymeric acid and a monoepoxide having from 14 to 46 carbon atoms to the water. Said dispersion is substantially zero-VOC. When a composition of this invention is applied to the surface and cured by baking the article at an elevated temperature, a coating is obtained which improves the adherence of subsequent coatings to a polyolefinic article. A polyolefinic article is one having a surface comprising polypropylene or a polypropylene modified with rubber called a thermoplastic polyolefin (TPO).

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