A method comprising introducing a treatment fluid into a subterranean formation, wherein the treatment fluid comprises a base fluid and a crosslinked polymer, the crosslinked polymer comprising reactants of a first repeating unit, a second repeating unit, and a crosslinker that react to form the crosslinked polymer, wherein the first repeating unit is a sulfonic acid-containing monomer present from 50% to 99% by weight of the reactants, wherein the second repeating unit selected from the group consisting of an N-vinyl amide-containing monomer, a terminal double bond-containing monomer, and any combination thereof, and is present from 1% to 50% by weight of the reactants, and wherein the crosslinker comprises at least two olefinic bonds.

A polymer electrolyte including a polymerization product of a polymer having an unsaturated functional group at a terminal thereof and a fluoroalkylene chain, and an ion-conductive polymer having an unsaturated functional group at a terminal thereof, wherein the ion-conductive polymer having an unsaturated functional group at a terminal thereof is a polymer represented by Formula 1 or Formula 2, and the polymer having an unsaturated functional group at a terminal thereof and a fluoroalkylene chain is a compound represented by Formula 3, wherein Formulae 1 to 3 are the same as represented in the detailed description of the specification.

Provided herein are methods for fabricating a porous polymer material, methods for revealing hidden anti-counterfeiting patterns, chromogenic sensors having hidden anti-counterfeiting patterns, and the like. Chromogenic sensors including porous polymer materials are provided. The chromogenic sensors can reveal hidden patterns such as anti-counterfeiting patterns and the pattern can be re-hidden.

A polymerizable composition curable by ionizing radiation contains (A) a first component including a (meth)acryloylmorpholine represented by formula (1), and (B) a second component including a compound represented by formula (2). The total content of the first component and the second component in the polymerizable composition is 50 wt % or more. The polymerizable composition enables appropriate maintaining of a post-curing shape even after being in a high temperature environment, and enables dissolution thereof by a water-containing solution. In formula (1), R.sup.1 is hydrogen or methyl. In formula (2), R.sup.2 is hydrogen or a group having 1 to 6 carbons, R.sup.3 and R.sup.4 are each independently hydrogen or a group having 20 or less carbons, and n is an integer of 1 to 6.

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A photo-curable coating composition comprising (1) a polyfunctional (meth)acrylic monomer, (2) a photopolymerization initiator, and (3) a specific hydroxyphenyltriazine base UV absorber has high mar resistance and long-term weather resistance.

A photo-curable coating composition comprising (1) a polyfunctional (meth)acrylic monomer, (2) a photopolymerization initiator, and (3) a specific hydroxyphenyltriazine base UV absorber has high mar resistance and long-term weather resistance.

A copolymer includes a structure unit represented by Chemical Formula I; and a structure unit represented by Chemical Formula II, ##STR00001## where R1 and R2 each, independently represent hydrogen atoms or methyl groups, X represents a hydrogen atom or a cation, and L represents an alkylene group having 2 to 18 carbon atoms.

A copolymer includes a structure unit represented by Chemical Formula I; and a structure unit represented by Chemical Formula II, ##STR00001## where R1 and R2 each, independently represent hydrogen atoms or methyl groups, X represents a hydrogen atom or a cation, and L represents an alkylene group having 2 to 18 carbon atoms.

Acrylic syrup polymer composition are provided by partially polymerizing a (meth)acrylic monomer mixture in the presence of a thiol chain transfer agent to produce a first syrup polymer composition comprising a low molecular weight solute (meth)acrylic copolymer and solvent monomers, quenching the chain transfer agent, further polymerizing the first syrup polymer composition to produce a second syrup polymer composition comprising the low molecular weight solute acrylic copolymer, a high molecular weight solute acrylic copolymer and optionally unreacted solvent monomers, optionally adding a crosslinker and photoinitiator; and further photopolymerizing the syrup polymer composition to produce a pressure-sensitive adhesive.

The present invention relates to homogeneous sulfur-modified polymer compositions, methods related thereto and an asphaltic concrete mixture.