A process for manufacturing an aromatic diether, including the reaction of a compound A including at least two halogenated aromatic groups with a compound B, B being an aromatic alkoxide, optionally in the presence of a compound C acting as reaction solvent, the molar proportion of compound B to compound A being at least 2:1 and the molar amount of compound C to compound A being, where appropriate, not more than 10:1. Also, a process for manufacturing a polyaryl ether ketone.

The present invention relates to novel polyaryl ether ketone copolymers, a method for their preparation, polymer compositions including the same and shaped articles manufactured from said polymer compositions.

An aromatic polyether including structural units represented by the following formulas (1A) to (4A):

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A thermoplastic resin composition of the present invention comprises: about 5 wt % to about 35 wt % of a modified polyaryletherketone resin comprising a repeat unit represented by chemical formula 1; about 5 wt % to about 35 wt % of a polyether ether ketone resin; about 20 wt % to about 40 wt % of a polyphenylsulfone resin; and about 15 wt % to about 50 wt % of glass fibers. The thermoplastic resin composition has good properties in terms of adhesion to metals, impact resistance, and so on.

Magnet wire included extruded insulation formed from a blend of two or more different polymeric materials is described. A magnet wire may include a conductor and insulation formed around the conductor. The insulation may include at least one layer of extruded insulation formed from a blend of a first polymeric material and a second polymeric material different than the first polymeric material. The first polymeric material may include one of polyetheretherketone, polyaryletherketone, polyetherketoneketone, polyphenylsulfone, polyphenylene sulfide, or polybenzimidazole. The second polymeric material may include one of polyphenylsulfone, polyetherimide, polyethersulfone, polyphenylene sulfide, polycarbonate, or polyester.

A composition based on poly(ether ether ketone) (PEEK) including poly(ether ketone ketone) (PEKK), wherein the poly(ether ketone ketone) (PEKK) includes a mixture of terephthalic and isophthalic units, the percentage by weight of terephthalic units, with respect to the sum of the terephthalic and isophthalic units, being between 55 and 85%, limits included, and preferably between 55 and 70%, the composition including between 1 and 40%, limits included, preferably between 5 and 40% and more preferably still between 10 and 30% by weight of PEKK, with respect to the total weight of the composition.

A process including: the provision of a semicrystalline or crystallizable composition, having a glass transition temperature T.sub.g, including at least one polyaryletherketone; the provision of a compression forming means including: a mold, the mold having at least one cavity; the preparation of the composition in the molten state in said at least one cavity, the mold having a temperature T.sub.0 at the end of the preparation stage; the compression and the cooling of the composition in the molten state, the mold being cooled from the temperature T.sub.0 down to a final temperature T.sub.fof less than or equal to (T.sub.g+30)° C., to form a compression-formed article; and the removal of the compression-formed article from the mold; in which the composition has a melting point strictly of less than 340° C.

A material composition may include one or more polymeric materials. The material composition may also include one or more inorganic particles comprising oxides, carbonates, sulfides, or any combination thereof. Further, the material composition may include one or more metal particles that produce a detectable change in an electrical property or an optical property based on a reaction with at least one of H2O, CO2, or H2S. The one or more inorganic particles and the one or more metal particles may be dispersed within the one or more polymeric materials.

Methods of cross-linking or chain extending a polymeric material including a silane-modified poly(arylene ether) polymer (Si-PAE) in a shaped article include heating the shaped article from a temperature T.sub.1 to a temperature T.sub.2>T.sub.1, while maintaining the temperature at which the shaped article is heated within a specified range based on the increasing Tg of the polymeric material during the heating. Shaped articles cross-linked or chain extended by the methods are also described.

Compositions and methods for a semicrystalline poly(aryl ether ketone) copolymers incorporating 2-benzimidazolinone and 4,4′-biphenol as comonomer units with 4,4′-dihalobenzophenone, and compositions and methods for semicrystalline poly(aryl ether ketone) copolymers incorporating 2-benzimidazolinone and 4,4′-biphenol as comonomer units with 1,4-bis(4-dihalobenzoyl)benzene are described herein. The Copolymers have advantageous properties, particularly in terms of high glass transition temperatures (T.sub.g), high melting temperatures (T.sub.m), crystallinity and chemical resistance. The copolymers are suitable for manufacturing high temperature and chemical resistance molded systems and other articles of manufacture via injection molding, extrusion, compression molding, coating, and additive manufacturing.