A copolymer includes a repeating unit corresponding to polyether sulfone and a repeating unit corresponding to vinyl monomer. The repeating unit corresponding to polyether sulfone has a repeating number of 200 to 450, and the repeating unit corresponding to vinyl monomer has a repeating number of 20 to 100. The copolymer can be blended with another polymer such as polyphenylene sulfide to form a blend.

The present invention relates to a powdered material (M) containing at least one poly(arylene sulfide) (PAS) polymer, comprising recurring units p, q and r according of formula (I) wherein n.sub.p, n.sub.q and n.sub.r are respectively the mole % of each recurring units p, q and r; recurring units p, q and r are arranged in blocks, in alternation or randomly; 2≤(n.sub.q+n.sub.r)/(n.sub.p+n.sub.q+n.sub.r)≤9; nq is ≥0% and nr is ≥0%; j is zero or an integer varying between 1 and 4; R.sup.1 is selected from the group consisting of halogen atoms, C.sub.1-C.sub.12 alkyl groups, C.sub.7-C.sub.24 alkylaryl groups, C.sub.7-C.sub.24 aralkyl groups, C.sub.6-C.sub.24 arylene groups, C.sub.1-C.sub.12 alkoxy groups, and C.sub.6-C.sub.18 aryloxy groups.

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The invention relates to a process for producing semi-aromatic polyethers based on an aliphatic diol, to semi-aromatic polyethers based on an aliphatic diol obtained by said process, and to the use of said semi-aromatic polyethers based on an aliphatic diol for manufacturing membranes, manufactured parts and coatings.

The invention relates to a process for producing semi-aromatic polyethers based on an aliphatic diol, to semi-aromatic polyethers based on an aliphatic diol obtained by said process, and to the use of said semi-aromatic polyethers based on an aliphatic diol for manufacturing membranes, manufactured parts and coatings.

The present invention relates to an amorphous polymer (P) comprising segments (S1) containing a sulfone group, segments (S2) containing a ketone group and segments (S3) containing a polyarylene group. Moreover, the present invention relates to a process for the preparation of said amorphous polymer (P), a composition comprising the amorphous polymer (P) and an article comprising the amorphous polymer (P).

The present invention relates to an amorphous polymer (P) comprising segments (S1) containing a sulfone group, segments (S2) containing a ketone group and segments (S3) containing a polyarylene group. Moreover, the present invention relates to a process for the preparation of said amorphous polymer (P), a composition comprising the amorphous polymer (P) and an article comprising the amorphous polymer (P).

The invention relates to a side-chain functionalized copolymer (P1) and to the process for preparing the side-chain functionalized copolymer (P1). The present invention also relates to the use of the copolymer (P1) in the preparation of a membrane, a composite material or a coating.

The invention relates to a side-chain functionalized copolymer (P1) and to the process for preparing the side-chain functionalized copolymer (P1). The present invention also relates to the use of the copolymer (P1) in the preparation of a membrane, a composite material or a coating.

This banding band has a belt-like portion having a plurality of teeth on at least one surface thereof, and a securing portion positioned at one end of the belt-like portion, wherein the securing portion has a through-hole into which the other end of the belt-like portion can be inserted, and at least the belt-like portion comprises an amorphous resin having a glass transition temperature of 180° C. or higher.

A dental dispenser that receives a cartridge and a blunt tip applicator for the safe and controlled extrusion and placement of dental materials such as non-injectable anesthetics.