Abstract: Novel poly(aryl ether sulfone)-poly(aryl ether ketone) block copolymers are described. They are prepared by the nucleophilic polycondensation of a hydroxy- or halo-terminated poly(aryl ether ketone) oligomer with the poly(aryl ether sulfone) forming reagents; alternatively, a preformed poly(aryl ether sulfone) block may be used.The novel copolymers are tough materials with excellent heat, solvent, and stress-crack resistanced. They display high HDT's (heat distortion temperatures) and are useful in molding, extrusion and composites applications.

Abstract: Described herein are novel amino-terminated poly(aryl ether ketone) oligomers and methods for their production. These amino-terminated poly(aryl ether ketone) oligomers are used as building blocks for a variety of polymers and copolymers.

Abstract: Described herein are amide and/or imide containing polymers based on novel monomers that contain isoalkylidene bridges. These polymers have excellent toughness combined with high temperature stability, low water absorption, and good melt-fabricability.

Abstract: This invention is directed to novel crystalline chain extended polymers containing segments of crystalline poly(aryl ether ketones). The novel materials are easy to prepare and display excellent toughness, fabricability and very good high temperature and solvent resistance.

Abstract: Described herein are crystalline block polymers and chain extended polymers containing blocks of crystalline poly(aryl ether ketones). Also, described herein are monomers and oligomers suitable for preparing the crystalline block polymers and chain-extended polymers. Further, described herein are methods for producing the crystalline block and chain-extended polymers, as well as the monomers and oligomers.

Abstract: Described herein are miscible blends of polycarbonomides, defined as amide and/or imide containing polymers, and a polyarylate or arylate-carbonate copolymer which are useful in the manufacture of extruded sheets, high temperature connectors, aircraft and mass transportation vehicle interiors, injection molded articles, and extruded profiles and thermoformable articles.

Abstract: Described herein are novel poly(aryl ether) polymers that contain naphthalene, terephenylene and/or anthracenylene units within their chains. Representative polymers are tough materials having excellent high temperature, oxidative and chemical resistance, and easy melt fabricability.

Abstract: Described herein are random poly(etherimide) containing ether-imide units and aryl ether and/or aryl ether ketone units. These copolymers are produced by the reaction of the appropriate activated dinitro- and/or dihalobenzenoid aromatic compounds with diphenols, and/or by the self condensation of halophenols and/or nitrophenols, whose halogen atom and nitro group are activated towards nucleophilic substitution reactions.

Abstract: Described are crystalline block copolymers displaying high glass transition temperatures, excellent mechanical properties, excellent chemical and thermal stability, and good melt processability. These block polymers contain segments of crystalline poly(aryl ether ketones).

Abstract: Described herein are amorphous thermoplastic terpolymers containing units of the formula: ##STR1## wherein R is independently hydrogen, C.sub.1 to C.sub.6 alkyl, or C.sub.4 to C.sub.8 cycloalkyl, X' is independently ##STR2## wherein R.sub.1 and R.sub.2 are independently hydrogen or C.sub.1 to C.sub.9 alkyl; ##STR3## wherein R.sub.3 and R.sub.4 are independently hydrogen or C.sub.1 to C.sub.8 alkyl and a.sub.1 is an integer of 2 to 7; --S--, --O--, or ##STR4## a is an integer of 0 to 4 and n is independently an integer of 1 to 3. The units are attached to each other by an --0-- bond. These polymers have an excellent combination of mechanical properties. They display high notched izod impact values, high heat distortion temperatures and excellent environmental stress crack resistance.

Abstract: Described herein are novel block copolymers wherein one block is a poly(aryl ether ketone) oligomer and other block is a liquid crystalline polyester oligomer. Processes for the preparation of the subject copolymers are also described. The novel block copolymers display excellent mechanical properties, good high temperatures stability and excellent solvent and chemical resistance.

Abstract: Described herein are novel crystalline chain-extended polymers containing segments of crystalline poly(aryl ether ketones). These poly(aryl ether ketones) are easy to prepare and display excellent toughness, fabricability, and very good high temperature and solvent resistance.

Abstract: Described are crystalline block copolymers displaying high glass transition temperatures, excellent mechanical properties, excellent chemical and thermal stability, and good melt processability. These block polymers contain segments of crystalline poly(aryl ether ketones).

Abstract: Aryl ether sulfone polymers comprising a 4,4'-bis-phenylsulfonyl biphenyl and at least two additional arylene structural units exhibit improved toughness and stress crack resistance and a reduced tendency toward crystallization. The polymers and soluble and film-forming from solution, and may be used as coating and impregnating resins for producing laminates, fiber-reinforced composites and the like.

Abstract: Described herein are crystalline block polymers and chain extended polymers containing blocks of crystalline poly(aryl ether ketones). Also, described herein are monomers and oligomers suitable for preparing the crystalline block polymers and chain-extended polymers. Further, described herein are methods for producing the crystalline block and chain-extended polymers, as well as the monomers and oligomers.

Abstract: Described herein is an improved process for preparing poly(aryl ethers) and poly(aryl ether ketones) by the reaction of a mixture of at least one bisphenol and at least one dihalobenzenoid compound, and/or a halophenol, in which the improvement comprises providing to the reaction medium, a combination of sodium or an alkaline earth metal carbonate and/or bicarbonate and a potassium, rubidium, or cesium salt of an organic acid or combinations of various organic salts thereof. The process yields high molecular weight, linear, poly(aryl ethers) and poly(aryl ether ketones) possessing excellent thermal stability and physical properties.

Abstract: Described herein is a novel process for the preparation of poly(aryl ether ketones). The process comprises reacting an activated dihalobenzenoid compound with a diphenol and/or in self-condensing a halophenol whose halogen atom is activated towards nucleophilic substitution reactions. The polymerizations are performed at high temperatures, in an aprotic solvent, and in the presence of a base. The base comprises sodium carbonate or bicarbonate and a potassium, rubidium or cesium salt of an organic acid.

Abstract: Described are novel copolymers of polyphenylene oxides and polyarylates. These copolymers are readily compatible with styrene polymers and copolymers and give tough binary, ternary and quaternary blends.

Abstract: Described herein is a process for preparing polyesters which comprises reacting a dihydric phenol with a diester derivative of an aromatic diacid in the presence of from about 10 to about 60 weight percent of a processing aid having a boiling point of greater than about 200.degree. C., under polyester forming conditions.

Abstract: Described herein are amide and/or imide containing polymers based on novel monomers that contain isoalkylidene bridges. These polymers have excellent toughness combined with high temperature stability, low water absorption, and good melt-fabricability.