This invention relates to a thermoplastic elastomer resin composition for a moisture-permeable waterproof film, including a thermoplastic elastomer resin composed of a hard segment containing polybutylene terephthalate and a soft segment containing polyethylene glycol and polytetramethylene glycol, wherein the polyethylene glycol is contained in an amount of 30 to 70 wt % and the polytetramethylene glycol is contained in an amount of 1 to 10 wt %, based on the total weight of the thermoplastic elastomer resin. A moisture-permeable waterproof film formed of the elastomer composition and a moisture-permeable waterproof fabric configured such that the moisture-permeable waterproof film is stacked on at least one surface of a substrate fiber are also disclosed.

A method of: providing a polymeric material, and inducing optical or acoustic phonons into the material. The inducing is performed by application of an alternating electric field or a dynamic mechanical field. When the method is performed on a polyepoxy thermoset, this may result in a water absorption rate of no more than 0.1 wt. % per 24 hours.

Provided is a cation exchange membrane having a stable ion exchange performance during usage, being excellent in basic properties such as membrane resistance and ion transportation as well as strength, and useful for electrodialysis and a method for producing the same. The cation exchange membrane is composed of a polyvinyl alcohol copolymer including an anionic group-containing anionic polymer segment and a vinyl alcohol polymer segment, and having a microphase separation structure having a domain size (X) in a range from 0 nm<X≦150 nm. The method is composed of forming a membrane from a polyvinyl alcohol copolymer which is adjusted to contain salts in a proportion that the salt weight (C) relative to the polyvinyl alcohol copolymer weight (P) is [(C)/(P)] of 4.5/95.5 or lower.

A crosslinked copolymer is provided, which includes a copolymer crosslinked by a crosslinking agent. The copolymer is copolymerized of (a) styrene-based monomer, (b) monomer having conjugated double bonds or acrylate ester monomer, and (c) ammonium-containing heterocyclic monomer. The crosslinking agent is (d) ##STR00001##
or the product of the reaction between ##STR00002##
and (e) ##STR00003##
or a combination thereof. Z is ##STR00004##
wherein each R.sup.1 is independently H or C.sub.1-4 alkyl group, each R.sup.2 is independently H or C.sub.1-4 alkyl group, R.sup.3 is single bond, —O—, —S—, —CH.sub.2—, or —NH—. n is a positive integer. x is 1 to 12, y is 1 to 5, and z is 1 to 5.

The present disclosure relates to a composition that includes a first layer that includes a polymer having a repeat unit with a structure that includes

##STR00001##

where m is between 2 and 100, inclusively, the repeat unit is protonated at at least one of position A) and/or B) and/or sulfonated at at least one of rings 1) and/or 2), R.sub.1 includes at least one of a lone pair of electrons, a covalent bond, hydrogen, and/or a hydrocarbon functional group, R.sub.2 includes at least one of a lone pair of electrons, a covalent bond, hydrogen, and/or a hydrocarbon functional group, and is a covalent bond.

An anion exchange membrane is made by mixing 2 trifluoroMethyl Ketone [nominal] (1.12 g, 4.53 mmol), 1 BiPhenyl (0.70 g, 4.53 mmol), methylene chloride (3.0 mL), trifluoromethanesulfonic acid (TFSA) (3.0 mL) to produce a pre-polymer. The pre-polymer is then functionalized to produce an anion exchange polymer. The pre-polymer may be functionalized with trimethylamine in solution with water. The pre-polymer may be imbibed into a porous scaffold material, such as expanded polytetrafluoroethylene to produce a composite anion exchange membrane.

An anion exchange membrane is made by mixing 2 trifluoroMethyl Ketone [nominal] (1.12 g, 4.53 mmol), 1 BiPhenyl (0.70 g, 4.53 mmol), methylene chloride (3.0 mL), trifluoromethanesulfonic acid (TFSA) (3.0 mL) to produce a pre-polymer. The pre-polymer is then functionalized to produce an anion exchange polymer. The pre-polymer may be functionalized with trimethylamine in solution with water. The pre-polymer may be imbibed into a porous scaffold material, such as expanded polytetrafluoroethylene to produce a composite anion exchange membrane.

The present application relates to a polymer, a method for manufacturing the same, and an electrolyte membrane including the same.

The present application relates to a polymer, a method for manufacturing the same, and an electrolyte membrane including the same.

The present specification relates to a polymer electrolyte membrane including a polymer and inorganic particles.