Copolyester composition

Details Copolyester composition Copolyester composition

1996-10-02

1998-01-06

Short, Patricia A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528283, 528307, C08L 6702, C08G 63127, C08G 63137

Patent

active

057055750

ABSTRACT:
According to the invention, an amorphous copolyester is prepared by contacting, under polymerization conditions an aromatic dicarboxylic acid or ester or anhydride thereof, a 2,2,4,4-tetraalkyl-1,3-cyclobutanediol and 1,3-propanediol or 1,4-butanediol. The resulting copolyester exhibits superior thermal and impact properties.

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Jackson et al., J. Appl. Poly. Sci., 14, 685 (1970).
Jackson et al., J. Appl. Poly. Sci., 12, 1713 (1968).
Jackson et al., Am. Chem. Soc., Div. Org. Coatings Plast. Chem., 26, 170 (1966).

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