Cured or uncured aromatic polyester composition and process...

Details Cured or uncured aromatic polyester composition and process... Cured or uncured aromatic polyester composition and process...

C - Chemistry, Metallurgy

08

L

400/5736, 18/622

C08L 67/02 (2006.01) C08G 63/58 (2006.01) C08G 63/91 (2006.01) C08J 5/00 (2006.01) C08L 67/06 (2006.01)

Patent

CA 1099434

ABSTRACT OF THE DISCLOSURE A cured or uncured linear aromatic polyester composition melt- blended and composed of (A) 100 parts by weight of a saturated linear aro- matic polyester in which at least 70 mole% of the acid component consists of an aromatic dicarboxylic acid, and (B) 0.1 to 50 parts by weight of a reac- tive compound which is solid at room temperature or is a liquid having a boiling point of at least 200°C under atmospheric pressure, and which con- tains in its molecule at least one aliphatic unsaturated group substantially non-reactive with the polyester (A) and the aliphatic unsaturated group of the reactive compound (B) under conditions of melt-blending with the polyes- ter (A) and at least one epoxy group reactive with the polyester (A) under the melt-blending conditions. The cured linear aromatic polyester composi- tion can be prepared by extruding the uncured linear aromatic polyester com- position under melting conditions, and subjecting the resulting extrudate to a curing treatment.

306777

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