Abstract: A curable composition for coating comprising: (a) a fluorine-containing highly branched polymer obtained by polymerization of a monomer A having two or more radical polymerizable double bonds in a molecule of the monomer A and a monomer B having a fluoroalkyl group and at least one radical polymerizable double bond in a molecule of the monomer B, in the presence of a polymerization initiator C at an amount of 5% by mole to 200% by mole per the number of moles of the monomer A, (b) at least one surface modifier selected from the group consisting of a perfluoropolyether compound and a silicone compound, (c) an active energy ray-curable polyfunctional monomer, and (d) a polymerization initiator that generates radicals by irradiation with an active energy ray; a cured film obtained from the composition; and a hard coating film obtained by use of the composition.

Abstract: It is an object to provide a compound that can provide a molded article and a coating film excellent not only in solubility in an organic solvent, but also in miscibility with/dispersibility in a matrix resin, causing no aggregation in a matrix resin, excellent in surface modification property, and having high transparency. A fluorine-containing highly branched polymer obtained by polymerizing a monomer A having two or more radical polymerizable double bonds in the molecule thereof with a monomer B having a fluoroalkyl group and at least one radical polymerizable double bond in the molecule thereof in the presence of a polymerization initiator C in a content of 5% by mol or more and 200% by mol or less, based on the total molar amount of the monomer A and the monomer B; and a resin composition comprising the polymer.

Abstract: A fluorine-containing highly branched polymer obtained by polymerizing a polyfunctional monomer A that has two or more radically polymerizable double bonds and all or a portion of which has a bisphenol structure, a monomer B having a fluoroalkyl group and at least one radically polymerizable double bond, within a molecule, and a monomer C having at least one ring-opening polymerizable group selected from the group including an epoxy group and an oxetanyl group, and having at least one radically polymerizable double bond, within a molecule, under the presence of a polymerization initiator D with an amount of 5% by mole to 200% by mole to the number of moles of the polyfunctional monomer A; an epoxy resin composition including the polymer; and an epoxy resin cured product obtained from the resin composition.

Abstract: There is provided a composition for forming a hard coat layer which has high slippage and is excellent in water/oil repellency and also has antifouling properties such as fingerprint resistance and dirt wiping-off properties, and which is curable through ultraviolet irradiation in a nitrogen atmosphere or an air atmosphere that is generally used. A silicon-containing highly branched polymer obtained by polymerization of a monomer A having two or more radically polymerizable double bonds in a molecule and a monomer B having a polysiloxane chain and at least one radically polymerizable double bond in a molecule in the presence of a polymerization initiator D in an amount of 5 to 200% by mole relative to the number of moles of the monomer A; a curable composition including the highly branched polymer; a cured film obtained from the composition; and a hard coat film obtained by use of the composition.

Abstract: There is provided a highly branched lipophilic polymer that is excellent in blending and dispersing properties in a matrix resin, and is possible to provide surface modification properties such as excellent lipophilicity (anti-fingerprint property) and the like to a coating that is obtained from the resin composition while the intrinsic transparency of the resin is not impaired; and a photopolymeizable composition comprising the highly branched lipophilic polymer. A highly branched lipophilic polymer obtained by polymerizing a monomer A containing two or more radically polymerizable double bonds per molecule and a monomer B containing a C6-30 alkyl group or a C3-30 alicyclic group and at least one radically polymerizable double bond per molecule in the presence of 5 to 200 mol % of a polymerization initiator C relative to the number of moles of the monomer A. A photopolymeizable composition comprising the highly branched lipophilic polymer.

Abstract: It is an object to provide a compound that can provide a molded article and a coating film excellent not only in solubility in an organic solvent, but also in miscibility with/dispersibility in a matrix resin, causing no aggregation in a matrix resin, excellent in surface modification property, and having high transparency. A fluorine-containing highly branched polymer obtained by polymerizing a monomer A having two or more radical polymerizable double bonds in the molecule thereof with a monomer B having a fluoroalkyl group and at least one radical polymerizable double bond in the molecule thereof in the presence of a polymerization initiator C in a content of 5% by mol or more and 200% by mol or less, based on the total molar amount of the monomer A and the monomer B; and a resin composition comprising the polymer.

Abstract: It is an object to provide a compound that can provide a molded article and a coating film excellent not only in solubility in an organic solvent, but also in miscibility with/dispersibility in a matrix resin, causing no aggregation in a matrix resin, excellent in surface modification property, and having high transparency. A fluorine-containing highly branched polymer obtained by polymerizing a monomer A having two or more radical polymerizable double bonds in the molecule thereof with a monomer B having a fluoroalkyl group and at least one radical polymerizable double bond in the molecule thereof in the presence of a polymerization initiator C in a content of 5% by mol or more and 200% by mol or less, based on the total molar amount of the monomer A and the monomer B; and a resin composition comprising the polymer.

Abstract: There is provided a highly branched lipophilic polymer that is excellent in blending and dispersing properties in a matrix resin, and is possible to provide surface modification properties such as excellent lipophilicity (anti-fingerprint property) and the like to a coating that is obtained from the resin composition while the intrinsic transparency of the resin is not impaired; and a photopolymeizable composition comprising the highly branched lipophilic polymer. A highly branched lipophilic polymer obtained by polymerizing a monomer A containing two or more radically polymerizable double bonds per molecule and a monomer B containing a C6-30 alkyl group or a C3-30 alicyclic group and at least one radically polymerizable double bond per molecule in the presence of 5 to 200 mol % of a polymerization initiator C relative to the number of moles of the monomer A. A photopolymeizable composition comprising the highly branched lipophilic polymer.

Abstract: There is provided a highly branched lipophilic polymer that is excellent in blending and dispersing properties in a matrix resin, and is possible to provide surface modification properties such as excellent lipophilicity (anti-fingerprint property) and the like to a coating that is obtained from the resin composition while the intrinsic transparency of the resin is not impaired; and a photopolymeizable composition comprising the highly branched lipophilic polymer. A highly branched lipophilic polymer obtained by polymerizing a monomer A containing two or more radically polymerizable double bonds per molecule and a monomer B containing a C6-30 alkyl group or a C3-30 alicyclic group and at least one radically polymerizable double bond per molecule in the presence of 5 to 200 mol % of a polymerization initiator C relative to the number of moles of the monomer A. A photopolymeizable composition comprising the highly branched lipophilic polymer.

Abstract: A biomolecule-compatible highly branched polymer obtained by polymerizing a monomer having an alkylene oxide and two or more radically polymerizable double bonds in a molecule in presence of a polymerization initiator in 5 mol % or more and 200 mol % or less relative to the moles of monomer, wherein molecular terminals of biomolecule-compatible highly branched polymer have one biomolecular site of at least one pair from the group of combination pairs of biotin and avidin, an antigen and antibody, polynucleotide and polynucleotide having complementary base sequence thereof, cDNA and mRNA, enzyme and substrate, an enzyme and product, an enzyme and competitive inhibitor, an enzyme (binding site) and coenzyme, an enzyme (binding site) and triazine dye, protease and protease inhibitor, Fc site and protein A, Fc site and protein G, lectin and sugar, hormone receptor and hormone, DNA and DNA binding protein, heparin and fibronectin, and heparin and laminin.

Abstract: A thermoplastic resin foam that is formed of a thermoplastic resin composition including 100 parts by mass of a thermoplastic resin and 0.001 to 30 parts by mass of a fluorine-containing highly branched polymer, wherein the fluorine-containing highly branched polymer is a fluorine-containing highly branched polymer that is obtained by polymerizing a monomer A having in a molecule two or more radical-polymerizable double bonds with a monomer B having in a molecule a fluoroalkyl group and at least one radical-polymerizable double bond, in presence of a polymerization initiator C in an amount of 5 to 200 mol % with respect to the number of moles of the monomer A; and a method for producing the foam.

Abstract: There is provided a hard coat layer-forming composition that can form a surface excellent in smoothness and lipophilicity (fingerprint resistance) and that enables the formation of a smooth surface maintaining lipophilicity even by spray coating and having no uneven coating. A curable composition including: 0.01 to 10 parts by mass of a specific lipophilic highly branched polymer (a); 0.0001 to 1 part by mass of a specific silicon-containing highly branched polymer (b); 100 parts by mass of an active energy ray curable polyfunctional monomer (c); and 0.1 to 25 parts by mass of a polymerization initiator that generates radicals by an active energy ray (d). A cured film obtained from the composition. A laminate obtained by use of the composition.

Abstract: A biomolecule-compatible highly branched polymer obtained by polymerizing a monomer having an alkylene oxide and two or more radically polymerizable double bonds in a molecule in presence of a polymerization initiator in 5 mol % or more and 200 mol % or less relative to the moles of monomer, wherein molecular terminals of biomolecule-compatible highly branched polymer have one biomolecular site of at least one pair from the group of combination pairs of biotin and avidin, an antigen and antibody, polynucleotide and polynucleotide having complementary base sequence thereof, cDNA and mRNA, enzyme and substrate, an enzyme and product, an enzyme and competitive inhibitor, an enzyme (binding site) and coenzyme, an enzyme (binding site) and triazine dye, protease and protease inhibitor, Fc site and protein A, Fc site and protein G, lectin and sugar, hormone receptor and hormone, DNA and DNA binding protein, heparin and fibronectin, and heparin and laminin.

Abstract: There is provided a composition for forming a hard coat layer which has high slippage and is excellent in water/oil repellency and also has antifouling properties such as fingerprint resistance and dirt wiping-off properties, and which is curable through ultraviolet irradiation in a nitrogen atmosphere or an air atmosphere that is generally used. A silicon-containing highly branched polymer obtained by polymerization of a monomer A having two or more radically polymerizable double bonds in a molecule and a monomer B having a polysiloxane chain and at least one radically polymerizable double bond in a molecule in the presence of a polymerization initiator D in an amount of 5 to 200% by mole relative to the number of moles of the monomer A; a curable composition including the highly branched polymer; a cured film obtained from the composition; and a hard coat film obtained by use of the composition.

Abstract: A fluorine-containing highly branched polymer obtained by polymerizing a polyfunctional monomer A that has two or more radically polymerizable double bonds and all or a portion of which has a bisphenol structure, a monomer B having a fluoroalkyl group and at least one radically polymerizable double bond, within a molecule, and a monomer C having at least one ring-opening polymerizable group selected from the group including an epoxy group and an oxetanyl group, and having at least one radically polymerizable double bond, within a molecule, under the presence of a polymerization initiator D with an amount of 5% by mole to 200% by mole to the number of moles of the polyfunctional monomer A; an epoxy resin composition including the polymer; and an epoxy resin cured product obtained from the resin composition.

Abstract: There is provided a novel fluorine-containing highly branched polymer which imparts water repellency and oil repellency to the polycarbonate resin, further is excellent in miscibility and dispersibility in the resin, and can maintain luxurious feeling of the resin, such as transparency and gloss feeling. A fluorine-containing highly branched polymer obtained by polymerizing a monomer A having in a molecule a bisphenol A structure and two or more radical-polymerizable double bonds, and a monomer B having in a molecule a fluoroalkyl group and at least one radical-polymerizable double bond, in the presence of a polymerization initiator C in an amount of 5 to 200 mol %, based on the number of moles of the monomer A; a resin composition comprising the fluorine-containing highly branched polymer and a polycarbonate resin; and a surface-modified film obtained from the resin composition.

Abstract: A resist underlayer film forming composition for lithography includes: as a component (I), a fluorine-containing highly branched polymer obtained by polymerizing a monomer A having two or more radical polymerizable double bonds in the molecule thereof, a monomer B having a fluoroalkyl group and at least one radical polymerizable double bond in the molecule thereof, and a monomer D having a silicon atom-containing organic group and at least one radical polymerizable double bond in the molecule thereof, in the presence of a polymerization initiator C in a content of 5% by mole or more and 200% by mole or less, based on the total mole of the monomer A, the monomer B, and the monomer D; and as a component (II), a hydrolyzable silane compound, a hydrolysis product thereof, a hydrolysis-condensation product thereof, or a silicon-containing compound that is a combination of these compounds.

Abstract: There is provided a highly branched lipophilic polymer that is excellent in blending and dispersing properties in a matrix resin, and is possible to provide surface modification properties such as excellent lipophilicity (anti-fingerprint property) and the like to a coating that is obtained from the resin composition while the intrinsic transparency of the resin is not impaired; and a photopolymeizable composition comprising the highly branched lipophilic polymer. A highly branched lipophilic polymer obtained by polymerizing a monomer A containing two or more radically polymerizable double bonds per molecule and a monomer B containing a C6-30 alkyl group or a C3-30 alicyclic group and at least one radically polymerizable double bond per molecule in the presence of 5 to 200 mol % of a polymerization initiator C relative to the number of moles of the monomer A. A photopolymeizable composition comprising the highly branched lipophilic polymer.

Abstract: A curable composition for coating comprising: (a) a fluorine-containing highly branched polymer obtained by polymerization of a monomer A having two or more radical polymerizable double bonds in a molecule of the monomer A and a monomer B having a fluoroalkyl group and at least one radical polymerizable double bond in a molecule of the monomer B, in the presence of a polymerization initiator C at an amount of 5% by mole to 200% by mole per the number of moles of the monomer A, (b) at least one surface modifier selected from the group consisting of a perfluoropolyether compound and a silicone compound, (c) an active energy ray-curable polyfunctional monomer, and (d) a polymerization initiator that generates radicals by irradiation with an active energy ray; a cured film obtained from the composition; and a hard coating film obtained by use of the composition.

Abstract: A resist underlayer film forming composition for lithography includes: as a component (I), a fluorine-containing highly branched polymer obtained by polymerizing a monomer A having two or more radical polymerizable double bonds in the molecule thereof, a monomer B having a fluoroalkyl group and at least one radical polymerizable double bond in the molecule thereof, and a monomer D having a silicon atom-containing organic group and at least one radical polymerizable double bond in the molecule thereof, in the presence of a polymerization initiator C in a content of 5% by mole or more and 200% by mole or less, based on the total mole of the monomer A, the monomer B, and the monomer D; and as a component (II), a hydrolyzable silane compound, a hydrolysis product thereof, a hydrolysis-condensation product thereof, or a silicon-containing compound that is a combination of these compounds.