JP2003026927A5 - - Google Patents

Claims (13)

A composite resin comprising a polysiloxane segment (A-1) having a silicon atom having a hydrolyzable group and / or a hydroxyl group bonded thereto, and a polymer segment (A-2) having a hydrophilic group other than polysiloxane. (A) and a hydrolyzable group and / or a polymer (B) having a silicon atom bonded to a hydroxyl group, other than polysiloxane, is mixed and dissolved or dispersed in an aqueous medium. A method for producing the composition. A composite resin comprising a polysiloxane segment (A-1) having a silicon atom having a hydrolyzable group and / or a hydroxyl group bonded thereto, and a polymer segment (A-2) having a hydrophilic group other than polysiloxane. (A) and a polymer (B) other than polysiloxane having a hydrolyzable group and / or a hydroxyl group-bonded silicon atom, and condensing them, and then dissolving or dispersing in an aqueous medium. A method for producing an aqueous resin composition, comprising: A composite resin comprising a polysiloxane segment (A-1) having a silicon atom having a hydrolyzable group and / or a hydroxyl group bonded thereto, and a polymer segment (A-2) having a hydrophilic group other than polysiloxane. (A), a polymer other than polysiloxane having a hydrolyzable group and / or hydroxyl group-bonded silicon atom (B), and a polysiloxane having a hydrolyzable group and / or hydroxyl group-bonded silicon atom ( A method for producing an aqueous resin composition, which comprises mixing C) and dissolving or dispersing it in an aqueous medium. A composite resin comprising a polysiloxane segment (A-1) having a silicon atom having a hydrolyzable group and / or a hydroxyl group bonded thereto, and a polymer segment (A-2) having a hydrophilic group other than polysiloxane. (A), a polymer other than polysiloxane having a hydrolyzable group and / or hydroxyl group-bonded silicon atom (B), and a polysiloxane having a hydrolyzable group and / or hydroxyl group-bonded silicon atom ( A method for producing an aqueous resin composition, comprising mixing C), condensing them, and then dissolving or dispersing in an aqueous medium. The polysiloxane segment (A-1) and the polymer segment (A-2) constituting the composite resin (A) are bonded by a bond represented by the following structural formula (S-1). The manufacturing method of the aqueous resin composition in any one of 1-4.

[However, in the formula, a carbon atom constitutes a part of the polymer segment (A-2), and two silicon atoms represent a part of the polysiloxane segment (A-1) or the polysiloxane segment (A-1). It shall constitute. ] The method for producing an aqueous resin composition according to any one of claims 1 to 5, wherein the polymer segment (A-2) is a vinyl polymer segment or a polyurethane polymer segment. The method for producing an aqueous resin composition according to any one of claims 1 to 6, wherein the polymer (B) is a vinyl polymer and / or a polyurethane polymer. The polysiloxane segment (A-1) is a silicon atom (SA-1) in which at least one organic group having 3 or more total carbon atoms and at least one hydrolyzable group and / or hydroxyl group are bonded together. , Two of a methyl group and / or an ethyl group, a silicon atom (SA-2) in which one of a hydrolyzable group or a hydroxyl group is bonded together, and at least one of a triorganosiloxy group, a hydrolyzable group and The aqueous resin according to any one of claims 1 to 7, which has at least one silicon atom selected from the group consisting of silicon atoms (SA-3) to which at least one of hydroxyl groups is bonded together. A method for producing the composition. After the composite resin (A) is condensed by a reaction of hydrolyzable groups bonded to silicon atoms and / or hydroxyl groups bonded to silicon atoms contained in the following (a-1) and (a-2), The method for producing an aqueous resin composition according to any one of claims 1 to 7, which is obtained by partial neutralization or complete neutralization with a basic compound or an acidic compound.
(A-1): a silicon atom (SA-1), a methyl group and at least one organic group having 3 or more total carbon atoms and at least one hydrolyzable group and / or hydroxyl group bonded together And / or at least one of a silicon atom (SA-2) and a triorganosiloxy group in which two of the ethyl groups and one of the hydrolyzable groups or hydroxyl groups are bonded together, and the hydrolyzable groups and / or hydroxyl groups Polysiloxane in which the total amount of silicon atoms (SA-3) bonded together by at least one of them is 10 mol% or more of all silicon atoms, (a-2): acid group and / or basic group, and water A polymer other than polysiloxane having a silicon atom to which a decomposable group and / or a hydroxyl group is bonded. The polysiloxane (a-1) is at least one selected from the group consisting of a monoorganotrialkoxysilane, a diorganodialkoxysilane, and a triorganomonoalkoxysilane having an organic group having 3 or more total carbon atoms. The method for producing an aqueous resin composition according to claim 9, which is a polysiloxane obtained by hydrolytic condensation or partial hydrolytic condensation of an alkoxysilane containing 10 mol% or more of alkoxysilane. Monoorganotrialkoxysilane, diorganodialkoxysilane and triorganomonoalkoxysilane in which the composite resin (A) has an organic group having 3 or more total carbon atoms in the presence of the polymer (a-2) After hydrolyzing an alkoxysilane containing at least 10 mol% of at least one alkoxysilane selected from the group consisting of the above, the polymer (a-2) and the alkoxysilane are condensed, and then a basic compound or The method for producing an aqueous resin composition according to claim 9, wherein the aqueous resin composition is obtained by partial neutralization or complete neutralization with an acidic compound. The organic group having 3 or more total carbon atoms is a kind of organic group selected from the group consisting of alkyl groups, cycloalkyl groups, and aryl groups having 3 to 18 carbon atoms. The manufacturing method of the aqueous resin composition in any one of 11. The method for producing an aqueous resin composition according to claim 1, wherein the hydrolyzable group is an alkoxy group.