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    THICKENED AQUEOUS DETERGENT LIQUID
    9.
    发明授权
    THICKENED AQUEOUS DETERGENT LIQUID 有权

    公开(公告)号：EP3250666B1

    公开(公告)日：2018-08-22

    申请号：EP16700077.7

    申请日：2016-01-07

    Applicant: Unilever PLC ,  Unilever NV

    Inventor： GREEN, Andrew, David ,  JARVIS, Adam, Peter ,  RYAN, Philip, Michael ,  THOMAS, Matthew, Rhys ,  WILLS, Peter, William

    IPC: C11D1/02 ,  C11D3/37

    CPC classification number: C11D3/3765 ,  C11D1/02 ,  C11D1/22 ,  C11D1/29 ,  C11D1/66 ,  C11D1/83 ,  C11D3/0036 ,  C11D3/3715 ,  C11D3/3723

    Abstract: A thickened aqueous detergent liquid composition comprising: (i) at least 5 wt% (more preferably at least 10%, more preferably at least 15% and most preferably at least 20% wt.) of a surfactant system comprising anionic surfactant, (ii) a thickening system comprising a copolymer formed by the addition polymerisation of: (A) 0 to 5 wt% of a first monomer consisting of an ethylenically unsaturated diacid of formula (I): or an unsaturated cyclic anhydride precursor of such an ethylenically unsaturated diacid, the anhydride having formula (II) where R1 and R2 are individually selected from H, C1-C3 alkyl, phenyl, chlorine and bromine; (B) 15 to 60 wt% of a second ethylenically unsaturated monoacidic monomer consisting of (meth)acrylic acid; (C) 30 to 70 wt% of a third ethylenically unsaturated monomer consisting of C1-C8 alkyl ester(s) of (meth)acrylic acid; (D) 1 to 25 wt%, of a fourth ethylenically unsaturated monomer, consisting of surfmer of formula (III): wherein each R3 and R4 are each independently selected from H, C1-3 alkyl, -C(=O)OH, or -C(=O)OR5; R5 is a C1-C30 alkyl; T is -CH2C(=O)O-, -C(=O)O-, -O-, -CH2O-, -NHC(=O)NH-, -C(=O)NH-, -Ar-(CE2)z-NHC(=O)O-, -Ar-(CE2)z-NHC(=O)NH-, or -CH2CH2NHC(=O)- Ar is divalent aryl; E is H or methyl; z is 0 or 1; k is an integer in the range of 0 to 30; and q is 0 or 1; with the proviso that when k is 0, q is 0, and when k is in the range of 1 to 30; q is 1; (R6O)m is polyoxyalkylene, which is a homopolymer, a random copolymer, or a block copolymer of C2-C4-oxyalkylene units, wherein R6 is C2H4, C3H6, C4H8, or a mixture thereof, and m is an integer in the range of 5 to 250;Y is -R6O-, -R6H-, -C(=O)-, -C(=O)NH-, =R6NHC(=O)NH-, or -C(=O)NHC(=O)-; and R7 is substituted or unsubstituted alkyl selected from the group consisting of C8-C40 linear alkyl, C8-C40 branched alkyl, C8-C40 carbocyclic alkyl, C2-C40 alkyl-substituted, phenyl, aryl-substituted C2-C40 alkyl, and C8-C80 complex ester; wherein the R7 alkyl group optionally comprises one or more substituents selected from the group consisting of hydroxy, alkoxy, and halogen and (E) 0 to 5 wt%, of a cross linking agent, for introducing branching and controlling molecular weight, the cross linking monomer comprising polyfunctional units carrying multiple reactive functionalisation groups selected from the group consisting of vinyl, allyl and functional mixtures thereof, and (iii) from 0.01 to 5% wt of the composition ethoxylated polyamine; wherein (C) comprises from 40 to 100% C4-C8 acrylate and from 0 to 60% ethyl acrylate.

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