A patch including: a support; and an adhesive layer disposed on at least one surface of the support, in which the adhesive layer includes: at least one selected from the group consisting of butorphanol and pharmaceutically acceptable salts thereof; a higher aliphatic alcohol; and a non-cross-linking polyvinylpyrrolidone that does not contain vinyl acetate as a constituent monomer thereof.

The present invention relates to a process for the preparation of an aqueous polymer solution containing at least one cationic or amphoteric (co)polymer, comprising the following steps: Hofmann degradation reaction on a (co)polymer based on at least one non-ionic monomer chosen from the group including acrylamide, methacrylamide, N,N-dimethylacrylamide, and acrylonitrile; post-processing of the resulting aqueous polymer solution of viscosity V1; characterized in that the post processing comprises the following successive steps: obtaining of an aqueous polymer solution containing at least one cationic or amphoteric (co)polymer derived from the Hofmann degradation reaction; post-processing of this aqueous polymer solution; characterized in that the post processing comprises the following successive steps: (a) adjustment of the pH of the aqueous polymer solution to a value greater than or equal to 5.5; (b) decrease of the pH of the aqueous polymer solution to a value between 2 and 5. The invention also concerns the use of this polymer solution as a flocculant, retention and/or drainage agent, and dry strength resistance in a paper manufacturing process.

The present invention relates to a process for the preparation of an aqueous polymer solution containing at least one cationic or amphoteric (co)polymer, comprising the following steps: Hofmann degradation reaction on a (co)polymer based on at least one non-ionic monomer chosen from the group including acrylamide, methacrylamide, N,N-dimethylacrylamide, and acrylonitrile; post-processing of the resulting aqueous polymer solution of viscosity V1; characterized in that the post processing comprises the following successive steps: obtaining of an aqueous polymer solution containing at least one cationic or amphoteric (co)polymer derived from the Hofmann degradation reaction; post-processing of this aqueous polymer solution; characterized in that the post processing comprises the following successive steps: (a) adjustment of the pH of the aqueous polymer solution to a value greater than or equal to 5.5; (b) decrease of the pH of the aqueous polymer solution to a value between 2 and 5. The invention also concerns the use of this polymer solution as a flocculant, retention and/or drainage agent, and dry strength resistance in a paper manufacturing process.

A moisture-curable composition includes a polymer preparable by free-radical copolymerization of monomers comprising at least one monomer A and at least one monomer B. Monomer(s) A comprise free-radically polymerizable hydrolyzable silane. Monomer(s) B include a divalent group selected from the group consisting of —(CF.sub.2O).sub.a—, —(CF.sub.2CF.sub.2O).sub.b—, —(CF.sub.2CF.sub.2CF.sub.2O).sub.c—, —(CF.sub.2CF.sub.2CF.sub.2CF.sub.2O).sub.d—, —(CF.sub.2CF(CF3)O).sub.e—, and combinations thereof, wherein a, b, c, d, and e represent integers in the range of from 0 to 130, and wherein 1≦<a+b+c+d+e≦130. A composite article includes a layer of a composition on a substrate. The composition comprises a cross-linked reaction product of components including the moisture-curable composition. Methods of making the composite article are also disclosed.

A moisture-curable composition includes a polymer preparable by free-radical copolymerization of monomers comprising at least one monomer A and at least one monomer B. Monomer(s) A comprise free-radically polymerizable hydrolyzable silane. Monomer(s) B include a divalent group selected from the group consisting of —(CF.sub.2O).sub.a—, —(CF.sub.2CF.sub.2O).sub.b—, —(CF.sub.2CF.sub.2CF.sub.2O).sub.c—, —(CF.sub.2CF.sub.2CF.sub.2CF.sub.2O).sub.d—, —(CF.sub.2CF(CF3)O).sub.e—, and combinations thereof, wherein a, b, c, d, and e represent integers in the range of from 0 to 130, and wherein 1≦<a+b+c+d+e≦130. A composite article includes a layer of a composition on a substrate. The composition comprises a cross-linked reaction product of components including the moisture-curable composition. Methods of making the composite article are also disclosed.

An amphoteric betaine-type polycarboxylic acid water reducer and a preparation method therefor are provided in the present invention. An unsaturated betaine-type monomer A and an acrylic acid-type polyethylene glycol monomer B are placed in a reaction container, stirred until uniform and then an acrylic acid-type monomer C is added, the stirring is continued and water is added to make adjustments so as to make the total mass of the monomers account for 10%-20% of the total mass of the aqueous solution; and under the protection of an inert gas, the temperature is raised to 60° C.-100° C., an aqueous initiator solution is added, maintaining the temperature and reacting for 4-6 h, and after the reaction is completed, the solution is cooled to room temperature, and the pH value thereof is adjusted to 5-7 to prepare the amphoteric betaine-type polycarboxylic acid water reducer.

An amphoteric betaine-type polycarboxylic acid water reducer and a preparation method therefor are provided in the present invention. An unsaturated betaine-type monomer A and an acrylic acid-type polyethylene glycol monomer B are placed in a reaction container, stirred until uniform and then an acrylic acid-type monomer C is added, the stirring is continued and water is added to make adjustments so as to make the total mass of the monomers account for 10%-20% of the total mass of the aqueous solution; and under the protection of an inert gas, the temperature is raised to 60° C.-100° C., an aqueous initiator solution is added, maintaining the temperature and reacting for 4-6 h, and after the reaction is completed, the solution is cooled to room temperature, and the pH value thereof is adjusted to 5-7 to prepare the amphoteric betaine-type polycarboxylic acid water reducer.

Provided are a colored composition having excellent heat resistance, excellent solvent resistance, and an excellent voltage holding ratio; a cured film; a color filter; a method for manufacturing a color filter; a solid-state imaging element; an image display device; and a compound. The colored composition includes a colorant comprising a repeating unit having a triarylmethane structure containing a cation, and a counter anion, and a polymerizable compound.

Provided are a colored composition having excellent heat resistance, excellent solvent resistance, and an excellent voltage holding ratio; a cured film; a color filter; a method for manufacturing a color filter; a solid-state imaging element; an image display device; and a compound. The colored composition includes a colorant comprising a repeating unit having a triarylmethane structure containing a cation, and a counter anion, and a polymerizable compound.

An adhesive film for polarizing plates includes a (meth)acrylic copolymer obtained by polymerizing about 15 wt % to about 30 wt % of a (meth)acrylic monomer having a hetero-alicyclic ring. The adhesive film has a storage modulus (G′) of about 30 kPa or greater as determined from Frequency sweep testing at 85° C. by oscillation at an angular speed of 10.sup.−3 rad/s to 10.sup.2 rad/s. An adhesive composition for the same, a polarizing plate including the same, and an optical display device including the same are also disclosed.