Provided is a method of producing a polycarboxylic acid-based polymer, the method including adding a monomer composition containing an unsaturated monocarboxylic acid-based monomer and/or an unsaturated dicarboxylic acid-based monomer to a reaction vessel to perform a polymerization reaction, which enables effective suppression of the foaming of a polymerization reaction liquid. The method of producing a polycarboxylic acid-based polymer of the present invention is a method of producing a polycarboxylic acid-based polymer, the method including adding a monomer composition containing an unsaturated monocarboxylic acid-based monomer and/or an unsaturated dicarboxylic acid-based monomer to a reaction vessel to perform a polymerization reaction, the method further including adding a defoaming agent by a time when 100 mass % of a total amount of the monomer composition is added.

A thiosulfate polymer composition includes an electron-accepting photosensitizer component, either as a separate compound or as an attachment to the thiosulfate polymer. The thiosulfate polymer composition can be applied to various articles, or used to form a predetermined polymeric pattern after photothermal reaction to form crosslinked disulfide bonds, removing non-crosslinked polymer, and reaction with a disulfide-reactive material. Such thiosulfate polymer compositions can also be used to sequester metals in nanoparticulate form, and as a way for shaping human hair in hairdressing operations.

A thiosulfate polymer composition includes an electron-accepting photosensitizer component, either as a separate compound or as an attachment to the thiosulfate polymer. The thiosulfate polymer composition can be applied to various articles, or used to form a predetermined polymeric pattern after photothermal reaction to form crosslinked disulfide bonds, removing non-crosslinked polymer, and reaction with a disulfide-reactive material. Such thiosulfate polymer compositions can also be used to sequester metals in nanoparticulate form, and as a way for shaping human hair in hairdressing operations.

The invention provides novel liquid compositions comprising acryloyldimethyltaurate salt/VP copolymer, as well as wet wipe products including such compositions.

The invention provides novel liquid compositions comprising acryloyldimethyltaurate salt/VP copolymer, as well as wet wipe products including such compositions.

A polymer latex composition for fibre binding includes: a) 50 to 98 wt.-% based on the total weight of latex particles in the composition of first latex particles having a volume average particle size of 80 to 1000 nm, wherein the first latex particles optionally bear functional groups and if functional groups are present they are selected from functional groups consisting of acid functional groups and salts, amides or anhydrides thereof, silane functional groups, and combinations thereof; b) 2 to 50 wt.-% based on the total weight of latex particles in the composition of second latex particles having a volume average particle size of 5 to 70 nm bearing epoxy functional groups, to the use of that composition for fibre binding, to a fibre structure including the dried residue of that composition and to a method for increasing the strength of a fibre structure.

A polymer latex composition for fibre binding includes: a) 50 to 98 wt.-% based on the total weight of latex particles in the composition of first latex particles having a volume average particle size of 80 to 1000 nm, wherein the first latex particles optionally bear functional groups and if functional groups are present they are selected from functional groups consisting of acid functional groups and salts, amides or anhydrides thereof, silane functional groups, and combinations thereof; b) 2 to 50 wt.-% based on the total weight of latex particles in the composition of second latex particles having a volume average particle size of 5 to 70 nm bearing epoxy functional groups, to the use of that composition for fibre binding, to a fibre structure including the dried residue of that composition and to a method for increasing the strength of a fibre structure.

Compositions including a combination of (meth)acryloyl-terminated monomers and oligomers prepared by co-reacting reactants having active hydrogen groups with an acrylating agent are disclosed. Polymerizates formed using the combinations of (meth)acryloyl-terminated monomers and oligomers exhibit a high hardness, excellent thermomechanical properties, and a high refractive index. The compositions can be used to fabricate optical components.

Compositions including a combination of (meth)acryloyl-terminated monomers and oligomers prepared by co-reacting reactants having active hydrogen groups with an acrylating agent are disclosed. Polymerizates formed using the combinations of (meth)acryloyl-terminated monomers and oligomers exhibit a high hardness, excellent thermomechanical properties, and a high refractive index. The compositions can be used to fabricate optical components.

Compositions including a combination of (meth)acryloyl-terminated monomers and oligomers prepared by co-reacting reactants having active hydrogen groups with an acrylating agent are disclosed. Polymerizates formed using the combinations of (meth)acryloyl-terminated monomers and oligomers exhibit a high hardness, excellent thermomechanical properties, and a high refractive index. The compositions can be used to fabricate optical components.