Patent HU-9902431-A2 (HU)
Title: Laundry detergent composition for providing soil release to cotton fabric and its use
Inventor: GOSSELINK EUGENE PAUL
IPC: C11D3/37
Filed: 1997-04-25
Abstract: A laundry detergent composition comprises: (a) at least 0.01-95wt% of a detersive surfactant; (b) 0.01-10 (especially 1-5)wt% of a soil release polymer having effective soil release on non-cotton fabrics; (c) optionally 0.05-30wt% bleach; (d) 0.01-10wt% of a water-soluble/dispersible, modified cotton soil release agent comprising a polyamine backbone of formula (I) having a modified polyamine of formula V(n+1)WmYnZ or a polyamine of formula (II) having a modified polyamine of formula V(n-k+1)WmYnY'kZ; k \~ n. The polyamine backbone prior to modification has a weight greater than 200 daltons; (i) V units are terminal units of formula (a), (b) or (c) (ii) W units are backbone units of formula (a), (b) or (c) (iii) Y units are branching units of formula (a), (b) or (c) (iv) Z units are terminal units of formula a), (b) or (c) backbone linking R units are selected from 2-12C alkylene, 4-12C alkenylene, 3-12C hydroxyalkylene, 4-12C dihydroxyalkylene, 8-12C dialkyl arylene, -(R1O)xR1, -(R1O)xR5(OR1)x-, (CH2CH(OR2)CH2O)z-(R1O)yR1(OCH2CH(OR2)CH2)w, -C(O)(R4)rC(O)-, and/or -CH2CH(OR2)CH2-(especially 2-12C alkylene, 8-12C dialkylarylene, -(R1O)xR1-, -(R1O)xR5(OR1)x-, (CH2CH(OR2)CH2O)z-(R1O)yR1(OCH2CH(OR2)CH2)w and/or CH2CH(OR2)CH2-, more especially 2-12C alkylene, 3-12C hydroxyalkylene, 4-12C dihydroxyalkylene, (R1O)xR1, -(R1O)xR5(OR1)x-, (CH2CH(OH)CH2O)z-, (R1O)yR1(OCH2CH(OH)CH2)w, most especially 2-12C alkylene; R1 = 2-6C alkylene, especially ethylene; R2 = H, -(R1O)xB, especially H; R3 = 1-18C alkyl, 7-12C arylalkyl, 7-12C alkyl substituted aryl, and/or 6-12C aryl (especially Me); R4 = 1-12C alkylene, 4-12C alkenylene, 8-12C arylalkylene, and/or 6-10C arylene (especially 2-12C alkylene, and/or 8-12C arylalkylene, more especially ethylene and/or butylene); R5 = 1-12C alkylene, 3-12C hydroxyalkylene, 4-12C dihydroxyalkylene, 8-12C dialkylarylene, -C(O)-, -C(O)NHR6NHC(O)-, -R1(OR1)-, -C(O)(R4)rC(O)-, CH2CH(OH)CH2-, CH2CH(OH)CH2O(R1O)yR1OCH2CH(OH)CH2, especially ethylene, -C(O)-, -C(O)NHR6NHC(O)-, R1(OR1)y-, -(CH2CH(OH)CH2O)z(R1O)yR1(OCH2CH(OH)-CH2)w- and/or -CH2CH(OH)CH2-, more especially -CH2CH(OH)CH2-; R6 = 2-12C alkylene or 6-12C arylene; E = units selected from H, 1-22C alkyl, 3-22C alkenyl, 7-22C arylalkyl, 2-22C hydroxyalkyl, -(CH2)pCO2M, -(CH2)qSO3M, -CH(CH2CO2M)CO2M, (CH2)pPO3M, -(R1O)xB-, and/or -C(O)R3 (especially H, 3-22C hydroxyalkyl, benzyl, 1-22C alkyl, -(R1O)xB-, C(O)R3, -(CH2)pCO2M, -(CH2)qSO3M, and/or -CH(CH2CO2M)-CO2M, more especially H, 1-22C alkyl, -(R1O)xB, and/or -C(O)R3, most especially (R1O)xB; when any E unit of N is H, the N is also not an N-oxide; B = H, 1-6C alkyl, (CH2)qSO3M, (CH2)p-CO2M, -(CH2)q(CHSO3M)CH2SO3M, (CH2)q(CHSO2M)CH2SO3M, -(CH2)pPO3M, and/or -PO3M, especially H, 1-6C alkyl, -(CH2)qSO3M, -(CH2)q(CHSO3M)-CH2SO3M, and/or -(CH2)q(CHSO2M)CH2SO3M, more especially H and/or (CH2)qSO3M, most especially H; M = H or water soluble cation to satisfy charge balance; X = water soluble anion; m = 4-400; n = 0-200; p = 1-6; q = 0-6; r,w,z = 0 or 1; x = 1-100; y = 0-100; and (e) balance carrier and adjunct ingredients. Also claimed is a laundry bleaching composition comprising: (a) at least 0.001wt% of the water-soluble dispersible cotton soil release agent as above; (b) an oxygen bleaching agent selected from alkali metal percarbonate, perborate, monoperphthalate, pyrophosphateperoxyhydrate, and/or urea-peroxy-hydrate; (c) bleach activator , especially oxygen bleach activator of formula R1-C(=O)-N(R5)-R2-C(=O)-L and/or R1-N(R5)-C(=O)-R2-C(=O)-L in which R1 = 1-4C alkyl, aryl, and/or alkylaryl; R2 = 1-14C alkylene, arylene and/or alkylarylene; R5 = H, 1-10C alkyl, aryl, and/or alkylaryl; and L = suitable leaving group; and (d) carriers and adjunct ingredients selected from builders, optical brighteners, bleaches, bleach boosters, bleach activators, soil release polymers, dye transfer agents, dispersants, enzymes, suds suppressors, dyes, perfumes, colourants, filler salts, and/or hydrotropes.