Sabic Global Technolgoies B.v.

Sabic Innovative Plastics IP B.v.

Juan Justino Rodriguez Ordonez

Thomas Link Guggenheim

Roy Ray Odle

Beatriz Penalver Bernabe

William Hoy Heath

David Winfield Woodruff

David Bruce Hall

Norman Enoch Johnson

Eric Lee Lutz

Jose Roman Galdamez Pena

Gregory L Hemmer

Javier Nieves Remacha

Bernabe Quevedo Sanchez

Maria Patricia Forcen Jimenez

Beatrice Penalver Bernabe

A polyetherimide of improved color and processes for preparing the polyetherimide are disclosed.

Polyetherimide of improved color and process of preparing

A poly(aryl ether sulfone) comprises units of formula (I): wherein Aris a divalent C-Caromatic group, Aris a divalent C-Caromatic group, Aris a divalent C-Caromatic group, and n is greater than 1; and a terminal group of formula (II) derived from a monofunctional phenoxide wherein is X is a hydrogen atom or an organic substituent having from 1 to 20 carbon atoms; wherein the poly(aryl ether sulfone) has a hydroxyl group content greater than 0 and less than 50 parts per million (ppm), based on the poly(aryl ether sulfone) weight, a glass transition temperature of 180 to 290&#xb0; C., a weight average molecular weight of 20,000 to 100,000, a halogen content of greater than 0 and less than 3000 ppm based on the poly(aryl ether sulfone) weight. The poly(aryl ether sulfone) is free of methoxy groups.

Poly(aryl ether sulfone) composition and method of making

Polyetherimide compositions of formula (1) are described wherein the polyetherimide compositions comprise a polyetherimide comprising a reacted combination of alkali metal salts comprising an alkali metal salt of a dihydroxy aromatic compound and an alkali metal salt of a monohydroxy aromatic compound with a bis(halophthalimide), wherein the alkali metal salt of the monohydroxy aromatic compound is included in an amount of more than 0 and less than 5 mole percent, based on the total moles of the alkali metal salts, and the polyetherimide has a weight average molecular weight greater than or equal to 43,000 Daltons. The polyetherimide exhibits lower levels of chlorine and chlorine end groups, lower levels of bis(halophthalimide) and bis(phthalimide), and low plate-out during manufacturing.

Polyetherimides, methods of manufacture, and articles formed therefrom

Polyetherimide compositions are described wherein the polyetherimide composition comprises a polyetherimide comprising a reacted combination of alkali metal salts comprising an alkali metal salt of a dihydroxy aromatic compound and an alkali metal salt of a monohydroxy aromatic compound with a bis(halophthalimide), wherein the alkali metal salt of the monohydroxy aromatic compound is included in an amount of greater or equal to 5 mole percent based on the total moles of the alkali metal salts, and the polyetherimide has a weight average molecular weight less than 43,000 Daltons. The polyetherimide exhibits lower levels of chlorine and chlorine end groups, lower levels of bis(halophthalimide) and bis(phthalimide), and low plate-out during manufacturing.

A poly(aryl ether sulfone) comprises units of formula (I): wherein Aris a divalent C-Caromatic group, Aris a divalent C-Caromatic group, Aris a divalent C-Caromatic group, and n is greater than 1; wherein is X is a hydrogen atom or an organic substituent having from 1 to 20 carbon atoms; wherein the poly(aryl ether sulfone) has a hydroxyl group content greater than 0 and less than 50 parts per million (ppm), based on the poly(aryl ether sulfone) weight, a glass transition temperature of 180 to 290&#xb0; C., a weight average molecular weight of 20,000 to 100,000, a halogen content of greater than 0 and less than 3000 ppm based on the poly(aryl ether sulfone) weight. The poly(aryl ether sulfone) is free of methoxy groups.

Poly(aryl ether sulfone) composition, and method of making

A method for the purification of aromatic polyether polymers prepared by a halide displacement polymerization process comprises adsorbing the catalyst with an alkali metal halide to form an adsorbent component and then removing the adsorbent component. Mixtures resulting from this method are also discussed.

Growing community of inventors

San Javier, Spain

Juan Justino Rodriguez Ordonez