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Donmayi geciktirici madde ve bunun beton, harc ve/veya yapi harci icinde uygulanmasi.
Donmayi geciktirici madde ve bunun beton, harc ve/veya yapi harci icinde uygulanmasi.
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机译:缓凝剂及其在混凝土,砂浆和/或建筑砂浆中的应用。
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摘要
Set retardants for hydraulic cements comprise cyclic aminoplast resins of formula (I) In (I) R1 = H, CH2OH or CH2OR; R2 = CH2OR; R3 and R4 = H, 1-4C alkyl or -((CH2)n-CR'R"-CHR"'-O)mH; R = R = 1-4C alkyl or -((CH2)n-CR'R"-CHR"'-O)mH; R', R" and R"' = H or 1-4C alkyl; n = 0 or 1; m = 1-4.
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机译:用于水硬性水泥的抗凝剂包括式(I)的环状氨基塑料树脂。(I)中R 1 = H,CH 2 OH或CH 2 OR; R2 = CH2OR; R3和R4 = H,1-4C烷基或-(((CH2)n-CR′R″ -CHR″′-O)mH; R = R = 1-4C烷基或-((CH2)n-CR′R″ -CHR″′-O)mH; R′,R″和R″′= H或1-4C烷基; n = 0或1; m = 1-4。
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