JP2003026927A5 - - Google Patents

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JP2003026927A5
JP2003026927A5 JP2001210689A JP2001210689A JP2003026927A5 JP 2003026927 A5 JP2003026927 A5 JP 2003026927A5 JP 2001210689 A JP2001210689 A JP 2001210689A JP 2001210689 A JP2001210689 A JP 2001210689A JP 2003026927 A5 JP2003026927 A5 JP 2003026927A5
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polysiloxane
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silicon atom
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加水分解性基及び/又は水酸基が結合した珪素原子を有するポリシロキサンセグメント(A−1)と、親水性基を有する、ポリシロキサン以外の重合体セグメント(A−2)とで構成される複合樹脂(A)、及び加水分解性基及び/又は水酸基が結合した珪素原子を有する、ポリシロキサン以外の重合体(B)を混合し、水性媒体中に溶解もしくは分散せしめることを特徴とする、水性樹脂組成物の製造方法。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. 加水分解性基及び/又は水酸基が結合した珪素原子を有するポリシロキサンセグメント(A−1)と、親水性基を有する、ポリシロキサン以外の重合体セグメント(A−2)とで構成される複合樹脂(A)、及び加水分解性基及び/又は水酸基が結合した珪素原子を有する、ポリシロキサン以外の重合体(B)を混合し、それらを縮合させたのち、水性媒体中に溶解もしくは分散せしめることを特徴とする、水性樹脂組成物の製造方法。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: 加水分解性基及び/又は水酸基が結合した珪素原子を有するポリシロキサンセグメント(A−1)と、親水性基を有する、ポリシロキサン以外の重合体セグメント(A−2)とで構成される複合樹脂(A)、及び加水分解性基及び/又は水酸基が結合した珪素原子を有する、ポリシロキサン以外の重合体(B)、及び加水分解性基及び/又は水酸基が結合した珪素原子を有するポリシロキサン(C)を混合し、水性媒体中に溶解もしくは分散せしめることを特徴とする、水性樹脂組成物の製造方法。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. 加水分解性基及び/又は水酸基が結合した珪素原子を有するポリシロキサンセグメント(A−1)と、親水性基を有する、ポリシロキサン以外の重合体セグメント(A−2)とで構成される複合樹脂(A)、及び加水分解性基及び/又は水酸基が結合した珪素原子を有する、ポリシロキサン以外の重合体(B)、及び加水分解性基及び/又は水酸基が結合した珪素原子を有するポリシロキサン(C)を混合し、それらを縮合させたのち、水性媒体中に溶解もしくは分散せしめることを特徴とする、水性樹脂組成物の製造方法。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. 複合樹脂(A)を構成する、ポリシロキサンセグメント(A−1)と重合体セグメント(A−2)とが、下記の構造式(S−1)で示される結合により結合している、請求項1〜4のいずれかに記載の水性樹脂組成物の製造方法。
Figure 2003026927
〔ただし、式中、炭素原子は、重合体セグメント(A−2)の一部分を構成し、2個の珪素原子は、ポリシロキサンセグメント(A−1)又はポリシロキサンセグメント(A−1)の一部分を構成するものとする。〕
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.
Figure 2003026927
[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. ]
重合体セグメント(A−2)が、ビニル系重合体セグメント又はポリウレタン系重合体セグメントである、請求項1〜5のいずれかに記載の水性樹脂組成物の製造方法。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. 重合体(B)が、ビニル系重合体及び/又はポリウレタン系重合体である、請求項1〜6のいずれかに記載の水性樹脂組成物の製造方法。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. ポリシロキサンセグメント(A−1)が、総炭素原子数が3個以上である有機基の少なくとも1個と加水分解性基及び/又は水酸基の少なくとも1個が共に結合した珪素原子(SA−1)、メチル基及び/又はエチル基の2個と、加水分解性基又は水酸基の1個が共に結合した珪素原子(SA−2)、及びトリオルガノシロキシ基の少なくとも1個と、加水分解性基及び/又は水酸基の少なくとも1個が共に結合した珪素原子(SA−3)、からなる群より選ばれた少なくとも一種の珪素原子を有するものである、請求項1〜7のいずれかに記載の水性樹脂組成物の製造方法。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. 複合樹脂(A)が、下記の(a−1)及び(a−2)に含まれる珪素原子に結合した加水分解性基及び/又は珪素原子に結合した水酸基同志の反応により縮合せしめたのち、塩基性化合物又は酸性化合物で部分中和もしくは完全中和せしめて得られるものである、請求項1〜7のいずれかに記載の水性樹脂組成物の製造方法。
(a−1):総炭素原子数が3個以上である有機基の少なくとも1個と加水分解性基及び/又は水酸基の少なくとも1個が共に結合した珪素原子(SA−1)、メチル基及び/又はエチル基の2個と、加水分解性基又は水酸基の1個が共に結合した珪素原子(SA−2)、及びトリオルガノシロキシ基の少なくとも1個と、加水分解性基及び/又は水酸基の少なくとも1個が共に結合した珪素原子(SA−3)、の合計量が全珪素原子の10モル%以上を占めるポリシロキサン、(a−2):酸基及び/又は塩基性基、並びに、加水分解性基及び/又は水酸基が結合した珪素原子を有する、ポリシロキサン以外の重合体。
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.
ポリシロキサン(a−1)が、総炭素原子数が3個以上である有機基を有するモノオルガノトリアルコキシシラン、ジオルガノジアルコキシシラン及びトリオルガノモノアルコキシシランからなる群より選ばれた少なくとも一種のアルコキシシランを10モル%以上含有するアルコキシシラン類を加水分解縮合又は部分加水分解縮合せしめて得られたポリシロキサンである、請求項9に記載の水性樹脂組成物の製造方法。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. 複合樹脂(A)が、重合体(a−2)の存在下で、総炭素原子数が3個以上である有機基を有するモノオルガノトリアルコキシシラン、ジオルガノジアルコキシシラン及びトリオルガノモノアルコキシシランからなる群より選ばれた少なくとも一種のアルコキシシランを10モル%以上含有するアルコキシシラン類を加水分解することにより、重合体(a−2)とアルコキシシラン類を縮合せしめたのち、塩基性化合物又は酸性化合物で部分中和もしくは完全中和せしめて得られたものである、請求項9に記載の水性樹脂組成物の製造方法。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. 総炭素原子数が3個以上である有機基が、炭素原子数が3〜18であるアルキル基、シクロアルキル基及びアリール基からなる群から選ばれた一種の有機基である、請求項8〜11のいずれかに記載の水性樹脂組成物の製造方法。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. 加水分解性基がアルコキシ基である、請求項1〜12のいずれかに記載の水性樹脂組成物の製造方法。The method for producing an aqueous resin composition according to claim 1, wherein the hydrolyzable group is an alkoxy group.
JP2001210689A 2001-07-11 2001-07-11 Aqueous resin composition, production method for aqueous resin composition, aqueous coating material, method for forming coating film, and coated article Withdrawn JP2003026927A (en)

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JP4488118B2 (en) * 2008-09-09 2010-06-23 Dic株式会社 Metal coating agent
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