Particles of an amine-functionalized polyaryletherketone polymer or copolymer thereof. The amine-functionalized polyaryletherketone polymer or copolymer thereof is selected from the group consisting of: polyaryletherketone polymer with terminal amine or protected amine functional group(s); polyaryletherketone-imide copoplymer with terminal amine or protected amine functional group(s); and polyaryletherketone-sulphone copolymer with terminal amine or protected amine functional group(s).

A rubber composition for tires according to the present technology comprises: a natural rubber, a diene-based blended rubber containing a solution-polymerized SBR and an emulsion-polymerized SBR, an aromatic modified terpene resin, a silica, and a carbon black. The solution-polymerized SBR contains a specific solution-polymerized SBR having a block containing an isoprene unit at one terminal thereof and a modified terminal for silica at the other terminal thereof. The styrene unit content in the emulsion-polymerized SBR is from 35 to 50 mass %. The content of the natural rubber and the total content of the solution-polymerized SBR and the emulsion-polymerized SBR in the diene-based blended rubber are specified, and the contents of aromatic modified terpene resin, the silica, and the carbon black relative to the content of the diene-based blended rubber are specified.

The invention relates to a process for preparing bromine-containing polymer, comprising a Friedel-Crafts alkylation reaction of tetrabromoxylylene dihalide, or tetrabromoxylylene dihalide in combination with pentabromobenzyl halide, with a reactant having one or more six-membered aromatic rings, wherein the reaction takes place in a solvent in the presence of a Friedel-Crafts catalyst, and isolating from the reaction mixture the bromine-containing polymer. The so-formed polymers and their use as flame retardants form additional aspects of the invention.

The present invention provides a method of preparing an amine-functionalized (e.g. amine-terminated) polyaryletherketone polymer, or imide- or sulphone-copolymer thereof and amine-protected analogues thereof, said method comprising the step of polymerizing a monomer system in a reaction medium comprising a capping agent comprising NR.sub.2, NRH or a protected amine group.

The present invention provides a method of preparing a polyaryletherketone copolymer (e.g. a random or block copolymer), said method comprising: polymerising (i) a monomer system suitable for forming aryletherketone units and (ii) a comonomer in a reaction medium comprising: (a) a Lewis acid and (b) a controlling agent comprising an aromatic carboxylic acid, an aromatic sulphonic acid, or a derivative thereof; and polymers produced therefrom.

Embodiments of the invention relate to a novel class of polymers with superior mechanical properties and chemical stability, as compared to known polymers. These polymers are particularly well suited for use in anion exchange membranes (AEMs), including those employed in fuel cells. Novel methods for the manufacture of these polymers are also described.

A hardmask composition includes a polymer including a moiety represented by the following Chemical Formula 1 and a solvent. ##STR00001## In the Chemical Formula 1, A, B, R.sup.1 and R.sup.2 are the same as defined in the detailed description.

The invention relates to a process for manufacturing a polyether ketone ketone, which involves placing in contact an aromatic ether which is diphenyl ether, 1,3-bis(4-phenoxybenzoyl)benzene, 1,4-bis(4-phenoxybenzoyl)benzene or a mixture thereof, an acyl chloride which is isophthaloyl chloride, terephthaloyl chloride, or a mixture thereof, a Lewis acid, and a first fraction s.sub.1 of a reaction solvent, so as to form a premix at a temperature T.sub.0 less than or equal to 25 C. and placing the premix formed at T.sub.0 in contact with a fraction s.sub.2 of the reaction solvent, the fraction s.sub.2 of reaction solvent being preheated, so as to form a reaction mixture heated to a temperature T.sub.1.

The present disclosure relates to compositions, composite materials, and a method of forming electrodes for carbon oxide electrolysis using composite materials. The composite materials may include a first polymeric structure and a second polymeric structure, in which at least one of these structures includes an ionizable moiety or an ionic moiety. At least one of the polymeric structures includes a linking moiety. In some instances, both the first and second structures include an ionizable or ionic moiety. The present disclosure also relates to composite material that includes a crosslinked polymer networks with the first and second polymer structures according to formulas (I and II), or salt thereof.

##STR00001##

The present disclosure relates to compositions including a first polymeric structure having a structure of Formula (I), (II), (III), (IV), or (V): ##STR00001##
or a salt thereof, and a second polymeric structure having a structure of Formula (X) or Formula (XI): ##STR00002##
or a salt thereof, in which at least one of these can include an ionizable moiety or an ionic moiety, for use in an electrochemical cell. Materials, devices, and methods using such compositions are also described.