초록 ▼

The invention relates to a composition comprising flyash cement and an air-entraining agent selected from the group consisting of polyoxyethylene polyalcohol fatty acid esters, polyethylene glycol fatty acid esters, polyoxyethylene pentaerythritol fatty acid esters and polyoxyethylene sorbitan fatty

The invention relates to a composition comprising flyash cement and an air-entraining agent selected from the group consisting of polyoxyethylene polyalcohol fatty acid esters, polyethylene glycol fatty acid esters, polyoxyethylene pentaerythritol fatty acid esters and polyoxyethylene sorbitan fatty acid esters, and a fatty acid or salt thereof.

대표청구항 ▼

Composition comprising flyash cement and an air-entraining agent for flyash cement compositions which comprises a compound A selected from the group consisting of polyoxyethylene polyalcohol fatty acid esters of the general formula: [Figure] wherein k is a whole number of 2 to 8; n11, n12, . . . and

Composition comprising flyash cement and an air-entraining agent for flyash cement compositions which comprises a compound A selected from the group consisting of polyoxyethylene polyalcohol fatty acid esters of the general formula: [Figure] wherein k is a whole number of 2 to 8; n11, n12, . . . and n1k each is a whole number of 0 to 40; Z11, Z12 . . . and Z1k each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z11, Z12 . . . and Z1k is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n11+n12+. . . +n1k is a whole number of 10 to 60; polyoxyethylene pentaerythritol fatty acid esters of the general formula: [Figure] wherein n31, n32, n33 and n34 each is a whole number of 0 to 40; Z31, Z32, Z33 and Z34 each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z31, Z32, Z33 and Z34 is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n31+n32+n33+n34 is a whole number of 10 to 60; and polyoxyethylene sorbitan fatty acid esters of the general formula: [Figure] wherein n41, n42, n43 and n44 each is a whole number of 0 to 40; Z41, Z42, Z43 and Z44 each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z41, Z42, Z43 and Z44 is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n41+n42+n43+n44 is a whole number of 10 to 60; and a compound B which is a fatty acid of 10 to 30 carbon atoms or a salt thereof.