GEOPOLYMER COMPOSITION
To provide a heat-resistant geopolymer composition that cures at room temperature and can be cast in-situ by pumping with a long usable time.SOLUTION: A heat-resistant geopolymer composition that contains an active filler and an alkali activator, and can be cast in-situ by pumping, wherein the alkal...
Saved in:
Main Authors | , , , , |
---|---|
Format | Patent |
Language | English Japanese |
Published |
09.03.2023
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | To provide a heat-resistant geopolymer composition that cures at room temperature and can be cast in-situ by pumping with a long usable time.SOLUTION: A heat-resistant geopolymer composition that contains an active filler and an alkali activator, and can be cast in-situ by pumping, wherein the alkali activator contains a dispersant, the dispersant contains a polycondensation product containing at least the following constituent units A, B, C, and D, and the content of the dispersant is 1.2-1.5 mass% with respect to the active filler: A) a specific polyethylene glycol monophenyl ether, B) cyclic compounds having at least one hydroxyl group and their derivatives, C) phenol, polyethylene glycol monophenylethers with one or two repeats of ethylene oxide, or phenoxyethyl derivatives containing phosphate or phosphonate and D) dldehydes.SELECTED DRAWING: None
【課題】可使時間が長く、ポンプ圧送により現場打設が可能な、常温で硬化する耐熱性のジオポリマー組成物の提供。【解決手段】活性フィラー、及びアルカリ活性剤を含有するジオポリマー組成物であり、前記アルカリ活性剤が、分散剤を含有し、前記分散剤が、少なくとも下記構成単位A、B、C及びDを含む重縮合物を含有し、前記分散剤の含有量が、前記活性フィラーに対して、1.2質量%~1.5質量%であることを特徴とする、ポンプ圧送により現場打設が可能な耐熱性ジオポリマー組成物。A)特定のポリエチレングリコールモノフェニルエーテルB)少なくとも1つの水酸基を持つ環式化合物及びその誘導体C)フェノール、エチレンオキサイドの繰り返し数が1若しくは2のポリエチレングリコールモノフェニエーテル、又は、フォスフェート若しくはフォスホネートを含むフェノキシエチル誘導体D)アルデヒド類【選択図】なし |
---|---|
Bibliography: | Application Number: JP20210137404 |