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EPOXY RESIN COMPOSITION FOR CONCRETE, MOLDED EPOXY RESIN BODY, AND METHOD FOR PRODUCING MOLDED EPOXY RESIN BODY
To provide an epoxy resin composition for concrete which has low cure shrinkage, is excellent in filling (flowability) and curing properties, is excellent in load resistance (compressive strength), and can form a molded body which is thick but hardly cracks.SOLUTION: An epoxy resin composition for concrete comprises an epoxy resin (A), a reactive diluent having two or more glycidyl groups (B), an extender pigment (C), and an alkylene polyamine (D) having no ether group, wherein: a pigment volume concentration (PVC) is 40% or more; and viscosity measured with a type-B viscometer at 23°C is 5 to 50 Pa_s.SELECTED DRAWING: None
【課題】低硬化収縮率であり、充填性(流動性)および硬化性に優れるエポキシ樹脂組成物であって、耐荷重性(圧縮強度)に優れ、厚くてもクラックが生じ難い成形体を形成することができるコンクリート用エポキシ樹脂組成物を提供すること。【解決手段】エポキシ樹脂(A)、グリシジル基を2つ以上有する反応性希釈剤(B)、体質顔料(C)、および、エーテル基を有さないアルキレンポリアミン(D)を含有し、顔料容積濃度(PVC)が40%以上であり、B型粘度計を用いて測定した23℃における粘度が5~50Pa・sである、コンクリート用エポキシ樹脂組成物。【選択図】なし
EPOXY RESIN COMPOSITION FOR CONCRETE, MOLDED EPOXY RESIN BODY, AND METHOD FOR PRODUCING MOLDED EPOXY RESIN BODY
To provide an epoxy resin composition for concrete which has low cure shrinkage, is excellent in filling (flowability) and curing properties, is excellent in load resistance (compressive strength), and can form a molded body which is thick but hardly cracks.SOLUTION: An epoxy resin composition for concrete comprises an epoxy resin (A), a reactive diluent having two or more glycidyl groups (B), an extender pigment (C), and an alkylene polyamine (D) having no ether group, wherein: a pigment volume concentration (PVC) is 40% or more; and viscosity measured with a type-B viscometer at 23°C is 5 to 50 Pa_s.SELECTED DRAWING: None
【課題】低硬化収縮率であり、充填性(流動性)および硬化性に優れるエポキシ樹脂組成物であって、耐荷重性(圧縮強度)に優れ、厚くてもクラックが生じ難い成形体を形成することができるコンクリート用エポキシ樹脂組成物を提供すること。【解決手段】エポキシ樹脂(A)、グリシジル基を2つ以上有する反応性希釈剤(B)、体質顔料(C)、および、エーテル基を有さないアルキレンポリアミン(D)を含有し、顔料容積濃度(PVC)が40%以上であり、B型粘度計を用いて測定した23℃における粘度が5~50Pa・sである、コンクリート用エポキシ樹脂組成物。【選択図】なし
EPOXY RESIN COMPOSITION FOR CONCRETE, MOLDED EPOXY RESIN BODY, AND METHOD FOR PRODUCING MOLDED EPOXY RESIN BODY
コンクリート用エポキシ樹脂組成物、エポキシ樹脂成形体および該成形体の製造方法
ITO GENTA (author) / KONO HIROYUKI (author)
2024-01-18
Patent
Electronic Resource
Japanese
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