Discrete Or Single Dose Detergent Formulation
Discrete or single dose detergent formulation A discrete or single dose detergent formulation is described. The formulation comprises special copolymers A. These copolymers A comprise structural units originating from a1) one or more special monomers comprising a cyclic amide structure or a2) one or more special alkoxylated monomers and b) one or more special monomers comprising an amido group and a sulfonic acid group in protonated or in salt form and may be crosslinked or non-crosslinked. The discrete or single dose detergent formulations are particularly suited for treating table ware or glasses in automatic dishwashing machines.
1 . (canceled)
2 . The method according to claim 9 , wherein the at least one copolymer A comprises from 0.01 to 8% by weight of at least one crosslinking structure originating from at least one monomer having at least two olefinic double bonds.
3 . The method according to claim 9 , wherein the at least one copolymer A has a molecular weight M w of from 10 3 to 10 9 g/mol.
4 . (canceled)
5 . The method A dicer to or single dose detergent formulation according to claim 9 , wherein in the at least structural unit of the formula (2) R 3 , R 4 and R 5 are, independently of one another, hydrogen or methyl, R 6 is an n-aliphatic, isoaliphatic or olefinic (C 8 -C 22 )-hydrocarbon radical, Y is O or NH, n is 0 and m is 1 to 30.
6 . The method according to claim 9 , wherein in the at least one structural unit of the formula (3) R 3 is hydrogen or methyl, Z is C 4 -alkylene and X is selected from the group consisting of H + , Na + and NH 4 + .
7 . The method according to claim 9 , comprising the at least one or copolymer A in an amount of from 0.1 to 10% by weight.
8 . (canceled)
9 . A method for treating table ware or glasses in an automatic dishwashing machine comprising the steps of dissolving a discrete or single dose detergent formulation comprising at least one copolymer A, wherein A comprises
a2) from 1 to 50% by weight of at least one repeating structural unit of the formula (2)
wherein
R 3 , R 4 and R 5 are, independently of one another, hydrogen or methyl,
R 6 is hydrogen or an n-aliphatic, isoaliphatic, olefinic, cycloaliphatic, arylaliphatic or aromatic (C 1 -C 30 )-hydrocarbon radical,
Y is O or NH and
m and n are the stoichiometric coefficients relating to the ethylene oxide units (EO) and propylene oxide units (PO) and are, independently of one another, of from 0 to 50, where the sum of m and n must on average be ≧1 and the distribution of the EO and PO units over the -[EO] m -[PO] n — chain may be random, block-like, alternating or gradient-like,
and
b) from 49.99 to 98.99% by weight of at least one repeating structural unit of the formula (3)
wherein
R 3 is hydrogen or methyl,
Z is (C 1 -C 8 )-alkylene and
X is selected from the group consisting of H + , Li + , Na + , K + , Mg ++ /2, Ca ++ /2, Al +++ /3, NH 4 + , monoalkylammonium, dialkylammonium, trialkylammonium and tetraalkylammonium, where the alkyl groups in these ammonium ions comprise, independently of one another, of from 1 to 30 carbon atoms, wherein the discrete or single dose detergent formulation is in the form of a tablet in water to form a solution and contacting the surface of the table ware or glasses with the solution.
10 . A method according to claim 9 , further comprising a cleaning and/or a rinsing step.