Eastman Chemical Company

Christopher Edward Scott

John C Morris

James Rodney Bradley

Paul D Yacobucci

Mark Edward Stewart

Max F Meyer, Jr

Hsinjin Yang

Jeffrey Todd Owens

Gary Michael Stack

James D Small, Jr

Kenneth E Breeding

Donald S Wilmoth

This invention relates to a visually clear blend of thermoplastic polymers comprising a polyetherimide and a polyester of (a) an acid component comprising 2,6-naphthalene dicarboxylic acid and (b) a glycol component comprising at least one glycol selected from the group consisting of ethylene glycol, 1,3-trimethylene glycol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,7-heptanediol, neopentyl glycol, 1,4-cyclohexanedimethanol and diethylene glycol.

Blends of polyetherimides with polyesters of 2,6-naphthalenedicarboxylic acid

A blend of polycarbonates of dihydroxydiphenyl cycloalkanes and optionally 4,4'-isopropylidenediphenol with polyesters from terephthalic acid, isophthalic acid, 1,4-cyclohexanedimethanol and 2,2,4,4-tetramethyl-1,3-cyclobutanediol, having the advantage of being colorless and providing an unexpected amount of impact strength, hardness and heat resistance. The polymer blends are especially suitable for the manufacture of clear molded articles, fibers, sheeting, and film.

Clear polycarbonate and polyester blends

A blend of polycarbonates of dihydroxydiphenyl cycloalkanes and optionally 4,4'-isopropylidenediphenol with polyesters from terephthalic acid, isophthalic acid, ethylene glycol and 2,2,4,4-tetramethyl-1,3-cyclobutanediol, having the advantage of being colorless and providing an unexpected amount of impact strength, hardness and heat resistence. The polymer blends are especially suitable for the manufacture of clear molded articles, fibers, sheeting, and film.

Clear blends of polycarbonates and polyesters

Blends of bisphenol a polycarbonate and polyesters

A blend of polycarbonates of dihydroxydiphenyl cycloalkanes and optionally 4,4'-isopropylidenediphenol with polyesters from terephthalic acid, isophthalic acid, neopentyl glycol and 2,2,4,4-tetramethyl-1,3-cyclobutanediol, having the advantage of being colorless and providing an unexpected amount of impact strength, hardness and heat resistance. The polymer blends are especially suitable for the manufacture of clear molded articles, fibers, sheeting, and film.

Polycarbonate and polyester blends

This invention relates to: a visually clear blend of thermoplastic polymers comprising: (A) a polyetherimide, (B) a mixture of polyesters comprising:

Ternary polyetherimide/polyester/polyester blends

This invention relates to a visually clear blend comprising:

Blends of polyarylates with aliphatic polyesters

This invention relates to a blend comprising: (A) an aliphatic or cycloaliphatic polyester or copolyester and (B) an acrylic polymer or copolymer.

Blends of certain polyesters with acrylics

A thermoplastic molding composition having a high neat deflection temperature but a relatively low melt extrusion temperature is formed by blending a polyetherimide with about 35 to about 80 weight percent of a copolyester of terephthalic and/or isophthalic acid and a glycol component comprising ethylene glycol and up to about 60 mol percent of 1,4-cyclohexanedimethanol. The blend also has a high flexural modulus and can be used to form plastic articles that can be molded at moderate temperatures but retain flexural strength at elevated temperatures. Certain compositions of the invention are clear, single phase solid solutions.

Growing community of inventors

Cambridge, MA, United States of America

Christopher Edward Scott