Method of manufacturing partially crystalline polyester...

Details Method of manufacturing partially crystalline polyester... Method of manufacturing partially crystalline polyester...

C - Chemistry, Metallurgy

08

J

18/1047, 18/764

C08J 3/22 (2006.01) B29C 51/00 (2006.01) C08J 11/06 (2006.01) C08L 23/02 (2006.01) C08L 67/02 (2006.01)

Patent

CA 1266361

ABSTRACT OF THE DISCLOSURE METHOD OF MANUFACTURING PARTIALLY CRYSTALLINE POLYESTER ARTICLES A method of making a polyethylene terephthalate/polyolefin blend for sheeting and thermoformed articles which has improved color stability and can be recycled many times. A heat stabilizer is melt blended only with the polyolefin prior to its incorporation into the polyethylene terephthalate. The PET and polyolefin are then blended and extruded into sheeting and subsequently thermoformed into articles useful as microwave oven trays.

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