The invention relates to an aqueous coating composition, comprising: a) an aqueous polymer dispersion with said polymer containing monomeric units of at least one dicarboxylic acid monomer, bearing two carboxylic acid functional groups and said polymer remaining insoluble in water after neutralization and remaining in the form of dispersed polymeric particles having a mean particle size varying from 10 to 1000 nm, b) a crosslinker selected from aminoacids bearing at least two amino functional groups capable of reacting with said carboxylic functional groups. It also relates to its use in the treatment of flexible fibrous substrates, a method for and the coated or treated fibrous substrate.

The present invention relates to a novel method for preparing a (meth)acrylic acid polymer in an aqueous solution, said polymer having a molecular mass lower than 8000 g/mol, for example using copper carbonate and iron sulphate (or the derivatives thereof).

The present invention relates to a novel method for preparing a (meth)acrylic acid polymer in an aqueous solution, said polymer having a molecular mass lower than 8000 g/mol, for example using copper carbonate and iron sulphate (or the derivatives thereof).

A surface physical property modifier composition includes (A) a wax, (B) a vinyl (co)polymer, and (C) an aliphatic hydrocarbon having a carbon number of 5 to 14. Component (A) is set to be at least one selected from the group consisting of (a1) paraffin wax, (a2) microcrystalline wax, (a3) Fischer-Tropsch wax, and (a4) polyethylene wax, and component (B) is produced from at least one of (b1) a (meth)acrylonitrile, (b2) a (meth)acrylic acid having a carbon number of 1 to 4, (b3) a hydroxyethyl (meth)acrylate or hydroxypropyl (meth)acrylate, (b4) styrene, and (b5) predetermined (meth)acrylic acid alkyl esters. Component (A) is 50 to 98 parts by mass relative to 100 parts by mass of the total of (A) and (B), and component (C) is 0.001 to 1 percent by mass relative to the total amount of (A).

The present invention relates to a RAFT agent of formula (I) where R.sub.1, R.sub.2 and R.sub.3 are each independently selected from H and optionally substituted alkyl.

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Provided is a method of preparing a superabsorbent polymer. In the method of preparing the superabsorbent polymer according to the present disclosure, a polymer resulting from polymerization of ethylene-based unsaturated monomers is subjected to a reassembling process by mixing with a compound of a particular Chemical Formula and water. According to the preparation method of the present disclosure, provided is a method of preparing a superabsorbent polymer having improved water holding capacity and a reduced content of residual monomers, thereby improving quality of final polymer products.

Provided is a method of preparing a superabsorbent polymer. In the method of preparing the superabsorbent polymer according to the present disclosure, a polymer resulting from polymerization of ethylene-based unsaturated monomers is subjected to a reassembling process by mixing with a compound of a particular Chemical Formula and water. According to the preparation method of the present disclosure, provided is a method of preparing a superabsorbent polymer having improved water holding capacity and a reduced content of residual monomers, thereby improving quality of final polymer products.

A process for producing water-absorbing polymer particles, comprising the steps of thermal cracking of bionaphtha in the presence of steam, removing propene and at least some of the propane, gas phase oxidation to give acrylic acid and polymerization to give water-absorbing polymer particles.

A process for producing water-absorbing polymer particles, comprising the steps of thermal cracking of bionaphtha in the presence of steam, removing propene and at least some of the propane, gas phase oxidation to give acrylic acid and polymerization to give water-absorbing polymer particles.

A method of manufacturing comprises depositing a layer of a powder on a working surface and selectively depositing a water-based binder solution comprising from 0.1 wt % to 5 wt % of a non-aqueous solvent having a boiling point of greater than 100° C. and less than or equal to 175° C. at 1 atm and a thermoplastic binder comprises a first polymer strand including a first functional group and a second polymer strand including a second functional group into the layer of powder in a pattern representative of a structure of a part. The method further comprises non-covalently coupling the first and second polymer strands together via interaction between the first and second functional groups to form a green body part.