QUICK-CURABLE TWO-PACK TYPE URETHANE WATERPROOF MATERIAL COMPOSITION AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a urethane waterproof material composition which is environmentally friendly, is excellent in quick curability and adhesiveness while securing sufficient workability throughout the year, and corresponds to an urethane rubber-based high elongation shape of JIS A 6021...

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Bibliographische Detailangaben
Hauptverfasser:	GOTO YUYA, ISHII AKIRA, TANIZAWA NAOHITO, FUJITA HISASHI, AOYAMA NAOCHIKA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a urethane waterproof material composition which is environmentally friendly, is excellent in quick curability and adhesiveness while securing sufficient workability throughout the year, and corresponds to an urethane rubber-based high elongation shape of JIS A 6021 (coating film waterproof material for building).SOLUTION: A urethane waterproof composition is composed of a main agent containing an isocyanate group terminal prepolymer formed of polyisocyanate and polyol and a curing agent containing aromatic polyamine and a plasticizer, where the main agent contains a tolylene diisocyanate skeleton and an isophorone diisocyanate skeleton in a molar ratio of 50/50 to 97/3, and the curing agent contains diethyl toluenediamine as aromatic polyamine and 4,4'-methylene bis(N-sec-butylaniline) in an equivalent ratio of 40/60 to 97/3.SELECTED DRAWING: None 【課題】環境に優しく、年間を通して十分な施工性を確保しながら速硬化性および接着性にも優れた、ＪＩＳＡ６０２１（建築用塗膜防水材）のウレタンゴム系高伸長形に該当する、ウレタン防水材組成物を提供する。【解決手段】本発明のウレタン防水材組成物は、ポリイソシアナートとポリオールからなるイソシアナート基末端プレポリマーを含む主剤と、芳香族ポリアミンおよび可塑剤を含む硬化剤とからなり、主剤がトリレンジイソシアナート骨格とイソホロンジイソシアナート骨格を５０／５０〜９７／３のモル比で含み、硬化剤は芳香族ポリアミンとしてジエチルトルエンジアミンと４，４′−メチレンビス（Ｎ−ｓｅｃ−ブチルアニリン）を４０／６０〜９７／３の当量比で含む。【選択図】なし