Crosslinked membranes for anion exchange applications, and methods of making and using the same, are described.

Crosslinked membranes for anion exchange applications, and methods of making and using the same, are described.

A copolymer, a film composition and a composite material employing the same are provided. The copolymer is a copolymerization product of a composition, wherein the composition includes a monomer (a), a monomer (b) and a monomer (c). The monomer (a) is a compound having a structure represented by Formula (I), the monomer (b) is a compound having a structure represented by Formula (II), and the monomer (c) is a compound having a structure represented by Formula (III)

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as defined in specification.

A copolymer, a film composition and a composite material employing the same are provided. The copolymer is a copolymerization product of a composition, wherein the composition includes a monomer (a), a monomer (b) and a monomer (c). The monomer (a) is a compound having a structure represented by Formula (I), the monomer (b) is a compound having a structure represented by Formula (II), and the monomer (c) is a compound having a structure represented by Formula (III)

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as defined in specification.

The present invention provides a conjugated diene-based polymer excellent in processability in vulcanization, and excellent in abrasion resistance and a low hysteresis loss property of a vulcanizate obtained therefrom. The present invention relates to a conjugated diene-based polymer, having a branch number measured by viscosity detector-equipped GPC-light scattering measurement of 7 or more, an amount of bound aromatic vinyl of 1% by mass or more and 32% by mass or less, and a content of vinyl bond in bound conjugated diene of 11% by mol or more and 35% by mol or less.

The present invention provides a conjugated diene-based polymer excellent in processability in vulcanization, and excellent in abrasion resistance and a low hysteresis loss property of a vulcanizate obtained therefrom. The present invention relates to a conjugated diene-based polymer, having a branch number measured by viscosity detector-equipped GPC-light scattering measurement of 7 or more, an amount of bound aromatic vinyl of 1% by mass or more and 32% by mass or less, and a content of vinyl bond in bound conjugated diene of 11% by mol or more and 35% by mol or less.

What are described are copolymers containing cationic structural units and macromonomeric structural units. The copolymers are, for example, advantageously suitable for use in detergent compositions and lead to advantageous shine results, for example, after application on hard surfaces.

What are described are copolymers containing cationic structural units and macromonomeric structural units. The copolymers are, for example, advantageously suitable for use in detergent compositions and lead to advantageous shine results, for example, after application on hard surfaces.

A nitrile group-containing copolymer rubber including 10 to 60 wt % of an α,β-ethylenically unsaturated nitrile monomer unit and 1 to 60 wt % of an α,β-ethylenically unsaturated dicarboxylic acid monoester monomer unit, and having an iodine value of 120 or less, wherein a processability index Ipro (Ipro=CC×SA) is 0.0030 or less, where the processability index Ipro is the product of the carboxyl group content CC, which is the number of moles of carboxyl groups per 100 g of nitrile group-containing copolymer rubber, and the absorbance area SA of a carboxylic anhydride group determined by infrared spectroscopy.

A nitrile group-containing copolymer rubber including 10 to 60 wt % of an α,β-ethylenically unsaturated nitrile monomer unit and 1 to 60 wt % of an α,β-ethylenically unsaturated dicarboxylic acid monoester monomer unit, and having an iodine value of 120 or less, wherein a processability index Ipro (Ipro=CC×SA) is 0.0030 or less, where the processability index Ipro is the product of the carboxyl group content CC, which is the number of moles of carboxyl groups per 100 g of nitrile group-containing copolymer rubber, and the absorbance area SA of a carboxylic anhydride group determined by infrared spectroscopy.