A composition set containing: a first liquid containing an oxidizing agent; and a second liquid containing a reducing agent, wherein at least one of the first liquid and the second liquid contains a compound represented by the following formula (1):

##STR00001##

wherein R.sup.11 and R.sup.12 each independently represent a hydrogen atom or a methyl group, and R.sup.13 represents a divalent group having a polyoxyalkylene chain, and wherein the polyoxyalkylene chain has 100 or more of oxyalkylene groups.

The present disclosure is related to a hydrophilic monomer, comprising (i) at least one amino moiety; (ii) at least one polyoxyalkylene unit; and (iii) at least one (meth)acrylate moiety.

The present disclosure is related to a hydrophilic monomer, comprising (i) at least one amino moiety; (ii) at least one polyoxyalkylene unit; and (iii) at least one (meth)acrylate moiety.

A fluoroacrylic compound of formula (1) which, when added to an actinic-ray-curable composition, can impart excellent liquid repellency, antifouling properties, and wear resistance.

Y—Rf.sup.1—Z.sup.1-Q.sup.1-[Z.sup.2—X].sub.a  (1)

[Rf.sup.1 is a divalent perfluoropolyether group. Z.sup.1 is a divalent hydrocarbon group optionally containing O, N, or Si. Q.sup.1 is an (a+1)-valent linking group including a+1 or more Si atoms. Z.sup.2 is a divalent alkylene ether group. X is H or a monovalent organic group having an (α-substituted) acryl group, and at least one of the X moieties is a monovalent organic group having an (α-substituted) acryl group. Symbol a is 1-10. Y is F or —Z.sup.1-Q.sup.1-[Z.sup.2—X].sub.a. All of the Z.sup.1 moiety and the a Z.sup.2 moieties within the [ ] have been bonded to the Si atoms contained in the Q.sup.1 and the molecule has no urethane bond therein.]

A fluoroacrylic compound of formula (1) which, when added to an actinic-ray-curable composition, can impart excellent liquid repellency, antifouling properties, and wear resistance.

Y—Rf.sup.1—Z.sup.1-Q.sup.1-[Z.sup.2—X].sub.a  (1)

[Rf.sup.1 is a divalent perfluoropolyether group. Z.sup.1 is a divalent hydrocarbon group optionally containing O, N, or Si. Q.sup.1 is an (a+1)-valent linking group including a+1 or more Si atoms. Z.sup.2 is a divalent alkylene ether group. X is H or a monovalent organic group having an (α-substituted) acryl group, and at least one of the X moieties is a monovalent organic group having an (α-substituted) acryl group. Symbol a is 1-10. Y is F or —Z.sup.1-Q.sup.1-[Z.sup.2—X].sub.a. All of the Z.sup.1 moiety and the a Z.sup.2 moieties within the [ ] have been bonded to the Si atoms contained in the Q.sup.1 and the molecule has no urethane bond therein.]

A photocurable composition for a hard coating material according to an aspect of the present invention contains (A) a polyfunctional polymerizable compound having three or more polymerizable double bonds, (B) an acrylic resin having a polymerizable double bond, (C) a polymerizable fluorine compound, and (D) a photopolymerization initiator.

A photocurable composition for a hard coating material according to an aspect of the present invention contains (A) a polyfunctional polymerizable compound having three or more polymerizable double bonds, (B) an acrylic resin having a polymerizable double bond, (C) a polymerizable fluorine compound, and (D) a photopolymerization initiator.

A modified vinyl alcohol-based polymer includes a polyoxyalkylene unit, and an organic acid unit bonded to a polyvinyl alcohol chain, the polyoxyalkylene unit includes a moiety represented by the general formula (I), the moiety being bonded to the polyvinyl alcohol chain only via an ether bond and/or a carbon-carbon bond, wherein a ratio of a number of moles of monomer units bonded to the polyoxyalkylene unit to a total number of moles of the monomer units constituting the polyvinyl alcohol chain of the modified vinyl alcohol-based polymer is 0.01 mol % to 5 mol %, and a ratio of a number of moles of the organic acid unit to the total number of moles of the monomer units constituting the polyvinyl alcohol chain of the modified vinyl alcohol-based polymer is 0.1 mol % to 10 mol %.

A modified vinyl alcohol-based polymer includes a polyoxyalkylene unit, and an organic acid unit bonded to a polyvinyl alcohol chain, the polyoxyalkylene unit includes a moiety represented by the general formula (I), the moiety being bonded to the polyvinyl alcohol chain only via an ether bond and/or a carbon-carbon bond, wherein a ratio of a number of moles of monomer units bonded to the polyoxyalkylene unit to a total number of moles of the monomer units constituting the polyvinyl alcohol chain of the modified vinyl alcohol-based polymer is 0.01 mol % to 5 mol %, and a ratio of a number of moles of the organic acid unit to the total number of moles of the monomer units constituting the polyvinyl alcohol chain of the modified vinyl alcohol-based polymer is 0.1 mol % to 10 mol %.

Provided is a surfactant composition that can impart good polymerization stability, that can yield an aqueous resin dispersion having good wettability, and that can improve water resistance and water-resistant adhesive strength of a resin film formed from the aqueous resin dispersion. The surfactant composition according to the present invention includes a compound C1 represented by formula (1):

##STR00001##

(in formula (1), A.sup.1 represents an alkylene group having 10 to 14 carbon atoms, A.sup.2 represents an alkylene group having 2 to 4 carbon atoms, n is an average number of moles of an oxyalkylene group A.sup.2O added and is a number of 1 to 100, and X represents a hydrogen atom, a sulfate ester or a salt thereof, a phosphate ester or a salt thereof, or methylcarboxylic acid or a salt thereof); and a compound C2 represented by formula (2):

##STR00002##

(in formula (2), A.sup.1, A.sup.2, n, and X are as defined in formula (1)). A molar ratio C1/C2 of the compound C1 to the compound C2 is 99/1 to 84/16.