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The use of cyclohexanepolycarboxylic acid derivatives for reducing or minimizing the dust emission when handling pulverulent construction chemistry products, processes for the preparation of the pulverulent construction chemistry products and hydraulically setting materials containing the cyclohexan

The use of cyclohexanepolycarboxylic acid derivatives for reducing or minimizing the dust emission when handling pulverulent construction chemistry products, processes for the preparation of the pulverulent construction chemistry products and hydraulically setting materials containing the cyclohexanepolycarboxylic acid derivatives according to the invention are proposed.

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1. A process for the use of mono-, di-, tri-, and/or tetraesters, and/or anhydrides of cyclohexanepolycarboxylic acid of the formula (I) in whichR1 represents C1-C10-alkyl or C3-C8-cycloalkyl,m represents 0, 1, 2 or 3,n represents 2, 3 or 4 andR represents C1-C30-alkyl, C1-C30-alkoxy or C3-C8-cycloa

1. A process for the use of mono-, di-, tri-, and/or tetraesters, and/or anhydrides of cyclohexanepolycarboxylic acid of the formula (I) in whichR1 represents C1-C10-alkyl or C3-C8-cycloalkyl,m represents 0, 1, 2 or 3,n represents 2, 3 or 4 andR represents C1-C30-alkyl, C1-C30-alkoxy or C3-C8-cycloalkyl, as an additive for dedusting pulverulent hydraulically setting gypsum- or cement-containing products, comprising bringing a pulverulent hydraulically setting gypsum- or cement-containing product, an individual constituent or component thereof, or mixtures thereof, into contact with or treating with at least one mono-, di-, tri-, and/or tetraester, and/or anhydride of cyclohexanepolycarboxylic acid of formula (I). 2. The process according to claim 1 wherein the mono-, di-, tri-, and/or tetraester, and/or anhydride of cyclohexanepolycarboxylic acid is used as an additive for dedusting organic constituents of the pulverulent hydraulically setting gypsum- or cement-containing product. 3. The process according to claim 1 wherein the mono-, di-, tri-, and/or tetraester, and/or anhydride of cyclohexanepolycarboxylic acid is used as an additive for dedusting mineral constituents of the pulverulent hydraulically setting gypsum- or cement-containing product. 4. The process according to claim 1 wherein the radicals R1 are identical or different if m is 2 or 3. 5. The process according to claim 1 wherein the C1-C10-alkyl groups are straight-chain or branched. 6. The process according to claim 1 wherein R1 is a C1-C8-alkyl group. 7. The process according to claim 1 wherein the radicals R are identical or different, the C1-C30-alkyl groups and the alkyl radicals of the C1-C30-alkoxy groups being straight-chain or branched. 8. The process according to claim 1 wherein R represents C1-C30-alkyl. 9. The process according to claim 1 wherein R represents methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, n-hexyl, n-octyl and 2-ethylhexyl, n-nonyl, isononyl, n-decyl, isodecyl, n-undecyl, isoundecyl, n-dodecyl, isododecyl, n-tridecyl, isotridecyl, stearyl and/or n-eicosyl. 10. The process according to claim 1 wherein the alkyl groups are in each case individual isomers of said alkyl groups or are mixtures of different alkyl groups. 11. The process according to claim 1, wherein the esters used are selected from the group consisting of alkyl, cycloalkyl and alkoxyalkyl esters. 12. The process according to claim 1 wherein at least one of the mono-, di-, tri-, and/or tetraesters, and/or anhydrides of cyclohexanepolycarboxylic acid is selected from the group consisting of mono- and/or dialkyl esters of phthalic acid, isophthalic acid and/or terephthalic acid, which esters are hydrogenated on the nucleus, mono-, di- and/or trialkyl esters of trimellitic acid, which esters are hydrogenated on the nucleus, trimesic acid and/or hemimellitic acid and mono-, di-, tri- and/or tetraalkyl esters of pyromellitic acid. 13. The process according to claim 1 wherein the mono-, di-, tri-, and/or tetraesters, and/or anhydrides of cyclohexanepolycarboxylic acid are prepared by a) esterification of a benzenepolycarboxylic acid of the formula II in whichR1 denotes C1-C10-alkyl or C3-C8-cycloalkyl,m denotes 0, 1, 2 or 3 andn denotes 2, 3 or 4,with one or more alcohols of the formula R—OHin whichR denotes C1-C30-alkyl,a benzenepolycarboxylic ester of the formula III being obtained b) hydrogenation of the benzenepolycarboxylic ester of the formula III to give a corresponding cyclohexanepolycarboxylic ester. 14. The process according to claim 13, wherein the benzenepolycarboxylic acid used is phthalic acid, isophthalic acid, terephthalic acid, trimellitic acid, trimesic acid, hemimellitic acid and/or pyromellitic acid. 15. The process according to claim 13 wherein the alcohols are linear or branched alcohols having C1-C13-alkyl radicals. 16. The process according to claim 1 wherein the mono-, di-, tri-, and/or tetraesters, and/or anhydrides of cyclohexanepolycarboxylic acid are esters which are prepared by a process comprising a) esterification of a benzenepolycarboxylic acid of the formula II in whichR1 denotes C1-C10-alkyl or C3-C8-cycloalkyl,m denotes 0, 1, 2 or 3 andn denotes 2, 3 or 4,with one or more alcohols of the formula R′—OHin whichR′ denotes C5-C13-alkyl,the alkyl radicals R′ having degrees of branching of 0.1 to 4 (ISO Index),a benzenepolycarboxylic ester of the formula III′ being obtained b) hydrogenation of the benzenepolycarboxylic ester of the formula III′ to give a corresponding cyclohexanepolycarboxylic ester. 17. The process according to claim 16, wherein the alcohol R′—OH comprises nonanol mixtures. 18. The process according to claim 1 wherein the mono-, di-, tri-, and/or tetraesters, and/or anhydrides of cyclohexanepolycarboxylic acid are used in amounts of 0.01 to 10.0% by weight, based in each case on the pulverulent hydraulically setting gypsum- or cement-containing product to be dedusted. 19. The process according to claim 1 wherein an individual pulverulent hydraulically setting gypsum- or cement-containing product component with which the mono-, di-, tri-, and/or tetraester, and/or anhydride of cyclohexanepolycarboxylic acid is contacted or treated serves as carrier material for dedusting further formulation components. 20. The process according to claim 1, wherein the pulverulent hydraulically setting gypsum- or cement-containing product comprises a gypsum- and/or cement-containing mortar.