Free-standing non-fouling polymers and polymeric compositions, monomers and macromonomers for making the polymers and polymeric compositions, objects made from the polymers and polymeric compositions, and methods for making and using the polymers and polymeric compositions.

Free-standing non-fouling polymers and polymeric compositions, monomers and macromonomers for making the polymers and polymeric compositions, objects made from the polymers and polymeric compositions, and methods for making and using the polymers and polymeric 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.

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.

Zwitterionic copolymers, coating compositions (e.g., aqueous coating compositions and articles containing such copolymers, and methods of coating such coating compositions; wherein the copolymer includes: (a) first monomeric units derived from monomers of Formula (I) CH.sub.2═CR.sup.1—(CO)—X—R.sup.2—[-Q-R.sup.3—].sub.n—Y (I) or salts thereof, wherein: R.sup.1 is hydrogen or methyl; X is oxy or —NH—; R.sup.2 is an alkylene optionally including catenary oxygen; R.sup.3 is an alkylene; Q is —(CO)O—, —NR.sup.4—(CO)—NR.sup.4—, or —(CO)—NR.sup.4—; R.sup.4 is hydrogen or alkyl; n is equal to 0 or 1; and Y is phosphonic acid, phosphonate, phosphoric acid, or phosphate; and (b) second monomeric units derived from monomers of Formula (II) CH.sub.2═CR.sup.1—(CO)—X—R.sup.2—[-Q-R.sup.3—].sub.n—[NR.sup.5R.sup.6]+—R.sup.7—Z— (II) wherein: R.sup.1 is hydrogen or methyl; X is oxy or —NH—; R.sup.2 is alkylene optionally including catenary oxygen; R.sup.3 is alkylene; Q is —(CO)O—, —NR.sup.4—(CO)—NR.sup.4—, or —(CO)—NR4-; R.sup.4 is hydrogen or alkyl; n is equal to 0 or 1; R.sup.5 and R.sup.6 are each independently an alkyl, aryl, or a combination thereof, or R.sup.5 and R.sup.6 both combine with the nitrogen to which they are both attached to form a heterocyclic ring having 3 to 7 ring members; R.sup.7 is alkylene; and Z″ is carboxylate or sulfonate.
CH.sub.2═CR.sup.1—(CO)—X—R.sup.2—[-Q-R.sup.3-].sub.n—Y  (I)
CH.sub.2═CR.sup.1—(CO)—X—R.sup.2—[-Q-R.sup.3—].sub.n—[NR.sup.5R.sup.6].sup.+—R.sup.7—Z.sup.−  (II)

Zwitterionic copolymers, coating compositions (e.g., aqueous coating compositions and articles containing such copolymers, and methods of coating such coating compositions; wherein the copolymer includes: (a) first monomeric units derived from monomers of Formula (I) CH.sub.2═CR.sup.1—(CO)—X—R.sup.2—[-Q-R.sup.3—].sub.n—Y (I) or salts thereof, wherein: R.sup.1 is hydrogen or methyl; X is oxy or —NH—; R.sup.2 is an alkylene optionally including catenary oxygen; R.sup.3 is an alkylene; Q is —(CO)O—, —NR.sup.4—(CO)—NR.sup.4—, or —(CO)—NR.sup.4—; R.sup.4 is hydrogen or alkyl; n is equal to 0 or 1; and Y is phosphonic acid, phosphonate, phosphoric acid, or phosphate; and (b) second monomeric units derived from monomers of Formula (II) CH.sub.2═CR.sup.1—(CO)—X—R.sup.2—[-Q-R.sup.3—].sub.n—[NR.sup.5R.sup.6]+—R.sup.7—Z— (II) wherein: R.sup.1 is hydrogen or methyl; X is oxy or —NH—; R.sup.2 is alkylene optionally including catenary oxygen; R.sup.3 is alkylene; Q is —(CO)O—, —NR.sup.4—(CO)—NR.sup.4—, or —(CO)—NR4-; R.sup.4 is hydrogen or alkyl; n is equal to 0 or 1; R.sup.5 and R.sup.6 are each independently an alkyl, aryl, or a combination thereof, or R.sup.5 and R.sup.6 both combine with the nitrogen to which they are both attached to form a heterocyclic ring having 3 to 7 ring members; R.sup.7 is alkylene; and Z″ is carboxylate or sulfonate.
CH.sub.2═CR.sup.1—(CO)—X—R.sup.2—[-Q-R.sup.3-].sub.n—Y  (I)
CH.sub.2═CR.sup.1—(CO)—X—R.sup.2—[-Q-R.sup.3—].sub.n—[NR.sup.5R.sup.6].sup.+—R.sup.7—Z.sup.−  (II)

Free-standing non-fouling polymers and polymeric compositions, monomers and macromonomers for making the polymers and polymeric compositions, objects made from the polymers and polymeric compositions, and methods for making and using the polymers and polymeric compositions

Free-standing non-fouling polymers and polymeric compositions, monomers and macromonomers for making the polymers and polymeric compositions, objects made from the polymers and polymeric compositions, and methods for making and using the polymers and polymeric compositions

The present invention pertains to composition suitable for manufacturing membranes based on vinylidene fluoride (VDF) polymers, to porous membranes thereof, to methods for their manufacture and to uses thereof, especially for the filtration of water phases. Said composition comprising vinylidene fluoride (VDF) polymers and polymer additives comprising zwitterionic moieties delivers outstanding hydrophilization performances of manufactured membranes.

The present invention pertains to composition suitable for manufacturing membranes based on vinylidene fluoride (VDF) polymers, to porous membranes thereof, to methods for their manufacture and to uses thereof, especially for the filtration of water phases. Said composition comprising vinylidene fluoride (VDF) polymers and polymer additives comprising zwitterionic moieties delivers outstanding hydrophilization performances of manufactured membranes.