Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
AQUEOUS COATING COMPOSITION, AND CONSTRUCTION EXTERIOR MATERIAL REPAIR METHOD
To provide an aqueous coating composition which enables formation of a coated film that is excellent in adhesion to an inorganic base material, water resistance and freezing damage resistance.SOLUTION: A two-liquid type or multi-component curable type aqueous coating composition contains at least a main agent and a curing agent, wherein the main agent contains (A) a water-dispersible resin containing an acrylic component, the curing agent contains (B) a silane compound, (A) the water-dispersible resin containing the acrylic component contains (A-1) a water-dispersible resin which contains a compound represented by formula: R1nSi(OR2)4-n as a structural unit and has a weight average molecular weight of 5,000-300,000, and (A-2) a water-dispersible resin which has a weight average molecular weight of more than 300,000 or a weight average molecular weight that cannot be measured, and (A) the water-dispersible resin containing the acrylic component contains 50-75 mass% of a monomer having an alkyl group having 4 or more carbon atoms excluding the monomer having the cyclic structure as a structural unit.SELECTED DRAWING: None
【課題】無機系基材への付着性、耐水性および耐凍害性に優れる塗膜を形成可能な水性塗料組成物を提供する。【解決手段】主剤と硬化剤を少なくとも含む２液型または多成分硬化型の水性塗料組成物であって、前記主剤が（Ａ）アクリル成分を含有する水分散性樹脂を含み、前記硬化剤が（Ｂ）シラン化合物を含み、前記（Ａ）アクリル成分を含有する水分散性樹脂が、（Ａ－１）式：Ｒ１ｎＳｉ（ＯＲ２）４－ｎで表される化合物を構造単位として含む重量平均分子量５，０００～３００，０００の水分散性樹脂と、（Ａ－２）重量平均分子量が３００，０００を超える又は重量平均分子量が測定できない水分散性樹脂を含み、前記（Ａ）アクリル成分を含有する水分散性樹脂が、環状構造を有するモノマーを除く炭素数が４以上のアルキル基を有するモノマーを構造単位として５０～７５質量％含むことを特徴とする、水性塗料組成物である。【選択図】なし
AQUEOUS COATING COMPOSITION, AND CONSTRUCTION EXTERIOR MATERIAL REPAIR METHOD
To provide an aqueous coating composition which enables formation of a coated film that is excellent in adhesion to an inorganic base material, water resistance and freezing damage resistance.SOLUTION: A two-liquid type or multi-component curable type aqueous coating composition contains at least a main agent and a curing agent, wherein the main agent contains (A) a water-dispersible resin containing an acrylic component, the curing agent contains (B) a silane compound, (A) the water-dispersible resin containing the acrylic component contains (A-1) a water-dispersible resin which contains a compound represented by formula: R1nSi(OR2)4-n as a structural unit and has a weight average molecular weight of 5,000-300,000, and (A-2) a water-dispersible resin which has a weight average molecular weight of more than 300,000 or a weight average molecular weight that cannot be measured, and (A) the water-dispersible resin containing the acrylic component contains 50-75 mass% of a monomer having an alkyl group having 4 or more carbon atoms excluding the monomer having the cyclic structure as a structural unit.SELECTED DRAWING: None
【課題】無機系基材への付着性、耐水性および耐凍害性に優れる塗膜を形成可能な水性塗料組成物を提供する。【解決手段】主剤と硬化剤を少なくとも含む２液型または多成分硬化型の水性塗料組成物であって、前記主剤が（Ａ）アクリル成分を含有する水分散性樹脂を含み、前記硬化剤が（Ｂ）シラン化合物を含み、前記（Ａ）アクリル成分を含有する水分散性樹脂が、（Ａ－１）式：Ｒ１ｎＳｉ（ＯＲ２）４－ｎで表される化合物を構造単位として含む重量平均分子量５，０００～３００，０００の水分散性樹脂と、（Ａ－２）重量平均分子量が３００，０００を超える又は重量平均分子量が測定できない水分散性樹脂を含み、前記（Ａ）アクリル成分を含有する水分散性樹脂が、環状構造を有するモノマーを除く炭素数が４以上のアルキル基を有するモノマーを構造単位として５０～７５質量％含むことを特徴とする、水性塗料組成物である。【選択図】なし
AQUEOUS COATING COMPOSITION, AND CONSTRUCTION EXTERIOR MATERIAL REPAIR METHOD
水性塗料組成物および建築外装材の補修方法
YAMAMOTO MASANORI (Autor:in) / KAIGAMI MAKOTO (Autor:in) / KAMATA YUKA (Autor:in)
18.08.2023
Patent
Elektronische Ressource
Japanisch
| Europäisches Patentamt | 2020