The present disclosure describes, in part, an enzyme-mediated radical initiating system and methods of using the system to produce polymers, including polymeric hydrogels, at ambient conditions.

The present disclosure describes, in part, an enzyme-mediated radical initiating system and methods of using the system to produce polymers, including polymeric hydrogels, at ambient conditions.

Provided herein, inter alia, are polymeric compositions and systems useful for maintaining particle dispersions for extended periods of time. Also provided are dry polymeric compositions and systems that are able to undergo fast hydration. Methods for using such compositions and systems are also provided.

Provided herein, inter alia, are polymeric compositions and systems useful for maintaining particle dispersions for extended periods of time. Also provided are dry polymeric compositions and systems that are able to undergo fast hydration. Methods for using such compositions and systems are also provided.

The present invention relates to a novel polymer dispersion and the application in conditioning fabrics. The present invention is further a fabric conditioning composition comprising the same. The fabric conditioning composition provided in the present invention has favorable fabric conditioning performance.

A method for producing a modified polytetrafluoroethylene, the method including: polymerizing tetrafluoroethylene in an aqueous medium in which a polymer having units based on a fluorine-free monomer is present. The fluorine-free monomer is a monomer represented by formula (1): CH.sub.2═CR.sup.1-L-R.sup.2, where R.sup.1 is a hydrogen atom or an alkyl group, L is a single bond, —CO—O—*, —O—CO—* or —O—, * is a bonding position to R.sup.2, and R.sup.2 is an alkyl group. To the total amount of tetrafluoroethylene supplied to the polymerization, a proportion of the polymer is from 0.001 to 0.050 mass %.

A method for producing a modified polytetrafluoroethylene, the method including: polymerizing tetrafluoroethylene in an aqueous medium in which a polymer having units based on a fluorine-free monomer is present. The fluorine-free monomer is a monomer represented by formula (1): CH.sub.2═CR.sup.1-L-R.sup.2, where R.sup.1 is a hydrogen atom or an alkyl group, L is a single bond, —CO—O—*, —O—CO—* or —O—, * is a bonding position to R.sup.2, and R.sup.2 is an alkyl group. To the total amount of tetrafluoroethylene supplied to the polymerization, a proportion of the polymer is from 0.001 to 0.050 mass %.

The present invention relates to a process for preparing a dispersion (D°), comprising: (E1) a polymerization performed M in an aqueous medium in the presence of: ° at least a pre-polymer (pO) of formula (R.sup.11)X—Z.sup.11—C(═S)—Z.sup.12-[A]-R.sup.12, which is soluble in the aqueous medium ° at least one free-radical polymerization initiator; and ° at least one ethylenically unsaturated hydrophobic monomer (m) with a ratio m/pO of the mass of the monomers (m) to the quantity of pre-polymer (pO) preferably below 10 000 g/mol whereby a dispersion of copolymers is obtained, including polymers with a living character; (E2) a conversion of the terminal groups of the copolymers that deprive the copolymers of their living character. The invention also relates to the use of dispersion (D°) for forming dispersions of hydrophobic polymers (Dp), suitable e.g. in fabric conditioning compositions.

The present invention relates to a process for preparing a dispersion (D°), comprising: (E1) a polymerization performed M in an aqueous medium in the presence of: ° at least a pre-polymer (pO) of formula (R.sup.11)X—Z.sup.11—C(═S)—Z.sup.12-[A]-R.sup.12, which is soluble in the aqueous medium ° at least one free-radical polymerization initiator; and ° at least one ethylenically unsaturated hydrophobic monomer (m) with a ratio m/pO of the mass of the monomers (m) to the quantity of pre-polymer (pO) preferably below 10 000 g/mol whereby a dispersion of copolymers is obtained, including polymers with a living character; (E2) a conversion of the terminal groups of the copolymers that deprive the copolymers of their living character. The invention also relates to the use of dispersion (D°) for forming dispersions of hydrophobic polymers (Dp), suitable e.g. in fabric conditioning compositions.

Provided are an aqueous resin dispersion of an ethylene-vinyl alcohol copolymer exhibiting excellent dispersion stability, a production method for the aqueous resin dispersion, a hydrophilization agent including the aqueous resin dispersion, a hydrophilization method using the hydrophilization agent, a metal material on which a hydrophilic coating has been formed, and a heat exchanger on which a hydrophilic coating has been formed. Specifically provided are: an aqueous resin dispersion comprising an ethylene-vinyl alcohol copolymer (A) and a radical polymer (B) having a structural unit derived from a radical-polymerizable carboxylic acid monomer (B1-1), wherein the content of the radical polymer (B) is 10-80 mass % relative to the total content of the ethylene-vinyl alcohol copolymer (A) and the radical polymer (B); a production method for the aqueous resin dispersion; a hydrophilization agent including the aqueous resin dispersion; a hydrophilization method using the hydrophilization agent; a metal material on which a hydrophilic coating has been formed; and a heat exchanger on which a hydrophilic coating has been formed.