FIELD: chemistry.
SUBSTANCE: present invention refers to a formulation for dispersing compositions containing a hydraulic binding agent. What is described is a formulation for dispersing the compositions containing hydraulic and/or undetected hydraulic binding agents, containing a) at least one ingredient possessing dispersing properties and specified in a variety consisting of a compound at least containing a branched comb polymer having simple polyester side chains, a naphthalene sulphonate-formaldehyde condensate and a melamine sulphonate-formaldehyde condensate ("MSF"), and b) a polycondensate containing (I) at least one structural link with an aromatic or heteroaromatic sub-link and at least one phosphate structural link with an aromatic or heteroaromatic sub-link, and (III) at least one structural link with an aromatic or heteroaromatic sub-link; the structural links (II) and (III) differ exclusively by the fact that the OP(OH)2 group of the structural link (II) is substituted by 3 in the structural link (III); and the structural link (III) differs from the structural link (I); the structural links (I), (II), (III) of the ingredient b) are described by the following formulas (VII), wherein A are identical or different, and represent the substituted or unsubstituted aromatic or heteroaromatic compound containing 5 to 10 C atoms, wherein B are identical or different and represent N, NH or O, wherein n=2, if B=N, and n=1, if B=NH or O, wherein R1 and R2 are independently identical or different and represent a C1-C10-alkyl radical with a branched or unbranched chain, C5-C8-cycloalkyl radical, aryl radical, heteroaryl radical or H, wherein a are identical or different and represent an integer from 1 to 300, wherein X are identical or different and represent a C1-C10-alkyl radical with a branched or unbranched chain, C5-C8-cycloalkyl radical, aryl radical, heteroaryl radical or H, (VIII), for (VIII) and (IX) in each specific case: wherein D are identical or different, and represent a substituted or unsubstituted heteroaromatic compound containing from 5 to 10 C atoms, wherein E are identical or different and represent N, NH or O, wherein m=2, if E=N, and m=1, if E=NH or O, wherein R3 and R4 are independently identical or different and represent a C1-C10-alkyl radical with a branched or unbranched chain, C5-C8-cycloalkyl radical, aryl radical, heteroaryl radical or H, wherein b are identical or different and represent an integer from 0 to 300, wherein M independently represent an alkaline metal ion, an alkali-earth metal ion, an ammonium ion, an organic ammonium ion and/or H; c takes on the value of 1, or in case of the alkali-earth metal ion, Ѕ. What is also described is a method for using the above formulation for controlling the water suspension flow characteristics; the formulation is added to systems containing construction chemicals, and particularly to water suspensions containing hydraulic and/or undetected hydraulic binding agents, particularly as a dispersion medium.
EFFECT: prolonging the time of maintaining the processibillity of the hydraulic binding agent, improving the processibillity and flow characteristics of the hydraulic binding composition, lower ratio of water/hydraulic binding agent.
50 cl, 9 tbl, 31 ex
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Authors
Dates
2015-05-10—Published
2010-08-20—Filed