C08G73/1053

Poly(etherimide-siloxane)/poly(phthalamide) compositions, articles prepared therefrom, and methods for the manufacture thereof
11001710 · 2021-05-11 · ·

A thermoplastic composition includes a poly(phthalamide), a poly(etherimide-siloxane), and optionally, an additive composition. The respective amounts of each component are further described herein. A method for the manufacture of the composition includes melt-mixing the components of the composition, and optionally, extruding the composition. Articles including the thermoplastic composition are also described.

POLY(AMIDE-IMIDE) AND METHOD OF PREPARING THE SAME

A poly(amide-imide) is provided. The poly(amide-imide) is represented by formula (1),

##STR00001## wherein R is a C.sub.6 aryl group, a C.sub.7-C.sub.8 aralkyl group, a C.sub.2-C.sub.6 alkoxyalkyl group, or a C.sub.3-C.sub.18 alkyl group; and 0.02≤X≤0.5.

ALKALI-SOLUBLE RESIN, PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE SHEET, CURED FILM, INTERLAYER INSULATING FILM OR SEMICONDUCTOR PROTECTIVE FILM, PRODUCTION METHOD FOR RELIEF PATTERN OF CURED FILM, AND ELECTRONIC COMPONENT OR SEMICONDUCTOR DEVICE

The present invention provides an alkali-soluble resin with which a cured film having high extensibility, reduced stress, high adhesion to a metal, and high heat resistance can be obtained, and a photosensitive resin composition containing the alkali-soluble resin, and the present invention is an alkali-soluble resin (A) including a structure represented by a general formula (1) wherein X.sup.1 represents a divalent organic group having 2 to 100 carbon atoms, Y.sup.1 and Y.sup.2 each represent a divalent to hexavalent organic group having 2 to 100 carbon atoms, X.sup.2 represents a tetravalent organic group having 2 to 100 carbon atoms, p and q each represent an integer in a range of 0 to 4, and n.sup.1 and n.sup.2 each represent an integer in a range of 5 to 100,000, wherein (I) and (II) described below are satisfied: (I) an organic group having an aliphatic chain having 8 to 30 carbon atoms is contained as X.sup.1 of the general formula (1) at a content of 30 to 70 mol % based on 100 mol % of a total of X.sup.1 and X.sup.2, and (II) an organic group having a diphenyl ether structure is contained as Y.sup.1 of the general formula (1) at a content of 1 to 30 mol % based on 100 mol % of a total of Y.sup.1 and Y.sup.2.

Intrinsically microporous ladder-type Tröger's base polymers

Embodiments of the present disclosure feature an intrinsically microporous ladder-type Trger's base polymer including a repeat unit based on a combination of W-shaped CANAL-type and V-shaped Trger's base building blocks, methods of making the intrinsically microporous ladder-type Trger's base polymer, and methods of using the intrinsically microporous ladder-type Trger's base polymer to separate a chemical species from a fluid composition including a mixture of chemical species. Embodiments of the present disclosure further include ladder-type diamine monomers for reacting to form a Trger's base in situ, and methods of making the ladder-type diamine monomers using catalytic arene-norbornene annulation.

Emulsion method for the manufacture of ultra-fine spherical polymer particles

A method for making spherical polymer particles, the method including: providing a polymer solution including a polymer in an amount of less than 10% by weight, based on the total weight of the polymer solution, and an organic solvent; combining the polymer solution, deionized water, and a first surfactant to provide an emulsification composition having an organic solvent fraction of 0.60 or higher by volume; forming an emulsion from the emulsification composition; and adding the emulsion into receiving water maintained at a temperature above the boiling point of the organic solvent for a period sufficient to evaporate the organic solvent, wherein the adding and the evaporating are at a rate effective to form an aqueous slurry comprising spherical polymer particles having a Dv100 (volume-based diameter) of 10 micrometers or less, as measured by laser diffraction.

High heat copolyimides, articles prepared therefrom, and methods of manufacturing copolyimide articles

A copolyimide includes the reaction product of an aromatic dianhydride component including a substituted or unsubstituted pyromellitic dianhydride or a functional derivative thereof and an aromatic bis(ether phthalic anhydride) or a functional derivative thereof, and an organic diamine component comprising a substituted or unsubstituted phenylene diamine and a diaminodiphenyl sulfone. Articles and compositions including the copolyimides and methods of manufacturing a polyimide film are also described.

COMPOSITION, ELECTRO-OPTIC MATERIAL, ELECTRO-OPTIC DEVICE, AND METHOD FOR PREPARING ELECTRO-OPTIC MATERIAL

A composition for preparing an electro-optic material including a first polyimide having a high molecular weight, and a second polyimide having a lower molecular weight and including a structural unit including a chromophore functional group in the side chain, an electro-optic material including the composition, an electro-optic device including the electro-optic material, and a method of preparing the electro-optic material.

Monomer, polymer, compensation film, optical film, and display device

A monomer represented by Chemical Formula 1-1 ##STR00001##
wherein in Chemical Formula 1-1, Z, L.sup.1, L.sup.2, R.sup.1 to R.sup.6, n, m, p, and a to f are the same as defined in the detailed description.

Coatings, methods and coated articles

A coating layer includes a composite of a fluoropolymer and a high heat thermoplastic polyimide, the thermoplastic polyimide having 5 to 1000 units of the formula (I): wherein each V is the same or different, and is a substituted or unsubstituted tetravalent C.sub.4-40 hydrocarbon group, and each R is the same or different, and is a substituted or unsubstituted C.sub.2-20 divalent organic group A method of manufacturing a coating composite, coated substrates and articles are also described. ##STR00001##

POLYCARBONATE COPOLYMER BLENDS, ARTICLES FORMED THEREFROM, AND METHODS OF MANUFACTURE

A polymer blend including 5 to 95 weight percent of a poly(ester-carbonate-carbonate) comprising 40 to 95 mole percent of ester units comprising low heat bisphenol groups and high heat bisphenol groups, wherein the ester units comprise 20 to 80 mole percent of the low heat bisphenol groups and 20 to 80 mole percent of the high heat bisphenol groups, based on the total moles of ester units in the poly(ester-carbonate-carbonate), and 5 to 60 mole percent of carbonate units comprising the low heat bisphenol groups and the high heat bisphenol groups, wherein the carbonate units comprise 20 to 80 mole percent of the low heat bisphenol groups and 20 to 80 mole percent of the high heat bisphenol groups, based on the total moles of carbonate units in the poly(ester-carbonate-carbonate); and 5 to 95 weight percent of a poly(etherimide), wherein the weight percent of each polymer is based on the total weight of the polymers in the blend, and a molded 0.125-inch thick ASTM tensile bar comprising the polymer blend has a haze value of less than 25% as determined according to ASTM D1003 using the color space CIE1931 with Illuminant C and a 2 observer.