AQUEOUS RESIN COMPOSITION FOR SEALER
To provide an aqueous resin composition for sealer which is comprehensively excellent in resistance to water permeability, blocking resistance, impregnation adhesion, bending resistance and moisture permeability even when a percentage content of an inorganic filler is high, and an inorganic base mat...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide an aqueous resin composition for sealer which is comprehensively excellent in resistance to water permeability, blocking resistance, impregnation adhesion, bending resistance and moisture permeability even when a percentage content of an inorganic filler is high, and an inorganic base material having a coated film formed of the aqueous resin composition for sealer.SOLUTION: An aqueous resin composition that is used for a sealer, and contains emulsion particles having a plurality of resin layers, polyoxyalkylene alkyl ether having the number of addition moles of an oxyalkylene group of 2 to 80, and an inorganic filler, in which an acetoacetoxy group-containing monomer is contained in a monomer component used as a raw material of an outer layer of emulsion particles.SELECTED DRAWING: None
【課題】無機充填材の含有率が高くても耐透水性、耐ブロッキング性、含浸密着性、耐折り曲げ性および透湿性に総合的に優れているシーラー用水性樹脂組成物、および当該シーラー用水性樹脂組成物からなる塗膜を有する無機質基材を提供する。【解決手段】シーラーに用いられる水性樹脂組成物であって、複数の樹脂層を有するエマルション粒子、オキシアルキレン基の付加モル数が２〜８０であるポリオキシアルキレンアルキルエーテルおよび無機充填材を含有し、エマルション粒子の外層の原料として使用される単量体成分にアセトアセトキシ基含有単量体が含有されていることを特徴とする。【選択図】なし |
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