Preparation of gray to blue aromatic polyesters by...

Details Preparation of gray to blue aromatic polyesters by... Preparation of gray to blue aromatic polyesters by...

C - Chemistry, Metallurgy

08

K

402/202, 400/761

C08K 3/26 (2006.01) C08G 63/82 (2006.01) C08K 5/09 (2006.01) C08K 5/098 (2006.01) C08K 5/13 (2006.01) C08K 5/138 (2006.01)

Patent

CA 1303771

ABSTRACT This invention relates to imparting gray, blue, or purple tints to aromatic copolyester compounds. This is accomplished through the addition of a cobalt-containing compound such as cobalt carbonate, cobalt acetate, cobalt benzoate, or cobalt phenate to the polyester forming reaction system.

529751

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