Claims
- 1. A process for producing an agglomerated detergent composition comprising the steps of:
- (a) premixing an acid precursor of a detersive surfactant, and a water-soluble or dispersible, modified polyamine in a mixer to form a premix, said modified polyamine having a polyamine backbone prior to modification via quaternization, substitution or oxidation corresponding to the formula: ##STR34## and wherein the modified polyamine has the formula V.sub.(n+1) W.sub.m Y.sub.n Z or a polyamine backbone prior to modification via quaternization, substitution or oxidation corresponding to the formula: ##STR35## and wherein the modified polyamine has the formula V.sub.(n-k+1) W.sub.m Y.sub.n Y'.sub.k Z, wherein k is less than or equal to n, said polyamine backbone prior to modification has a molecular weight greater than about 200 daltons, wherein
- i) V units are terminal units having the formula: ##STR36## ii) W units are backbone units having the formula: ##STR37## iii) Y units are branching units having the formula: ##STR38## iv) Y' units are branching units having the formula: ##STR39## v) Z units are terminal units having the formula: ##STR40## wherein backbone linking R units are selected from the group consisting of C.sub.2 -C.sub.12 alkylene, C.sub.4 -C.sub.12 alkenylene, C.sub.3 -C.sub.12 hydroxyalkylene, C.sub.4 -C.sub.12 dihydroxy-alkylene, C.sub.8 -C.sub.12 dialkylarylene, --(R.sup.1 O).sub.x R.sup.1 --, --(R.sup.1 O).sub.x R.sup.5 (OR.sup.1).sub.x --, --(CH.sub.2 CH(OR.sup.2)CH.sub.2 O).sub.z (R.sup.1 O).sub.y R.sup.1 (OCH.sub.2 CH(OR.sup.2)CH.sub.2).sub.w --, --C(O)(R.sup.4).sub.r C(O)--, --CH.sub.2 CH(OR.sup.2)CH.sub.2 --, and mixtures thereof; wherein R.sup.1 is C.sub.2 -C.sub.6 alkylene and mixtures thereof; R.sup.2 is hydrogen, --(R.sup.1 O).sub.x B, and mixtures thereof; R.sup.4 is C.sub.1 -C.sub.12 alkylene, C.sub.4 -C.sub.12 alkenylene, C.sub.8 -C.sub.12 arylalkylene, C.sub.6 -C.sub.10 arylene, and mixtures thereof; R.sup.5 is C.sub.1 -C.sub.12 alkylene, C.sub.3 -C.sub.12 hydroxyalkylene, C.sub.4 -C.sub.12 dihydroxy-alkylene, C.sub.8 -C.sub.12 dialkylarylene, --C(O)--, --C(O)NHR.sup.6 NHC(O)--, --R.sup.1 (OR.sup.1) --, --C(O)(R.sup.4).sub.r C(O)--, --CH.sub.2 CH(OH)CH.sub.2 --, --CH.sub.2 CH(OH)CH.sub.2 O(R.sup.1 O).sub.y R.sup.1 OCH.sub.2 CH(OH)CH.sub.2 --, and mixtures thereof; R.sup.6 is C.sub.2 -C.sub.12 alkylene or C.sub.6 -C.sub.12 arylene; E units are selected from the group consisting of hydrogen, C.sub.1 -C.sub.22 alkyl, C.sub.3 -C.sub.22 alkenyl, C.sub.7 -C.sub.22 arylalkyl, C.sub.2 -C.sub.22 hydroxyalkyl, --(CH.sub.2).sub.p CO.sub.2 M, --(CH.sub.2).sub.q SO.sub.3 M, --CH(CH.sub.2 CO.sub.2 M)CO.sub.2 M, --(CH.sub.2).sub.p PO.sub.3 M, --(R.sup.1 O).sub.x B, --C(O)R.sup.3, and mixtures thereof; R.sup.3 is C.sub.1 -C.sub.18 alkyl, C.sub.7 -C.sub.12 arylakyl, C.sub.7 -C.sub.12 alkyl substituted aryl, C.sub.6 -C.sub.12 aryl, and mixtures thereof; B is hydrogen, C.sub.1 -C.sub.6 alkyl, --(CH.sub.2).sub.q SO.sub.3 M, --(CH.sub.2).sub.p CO.sub.2 M, --(CH.sub.2).sub.q (CHSO.sub.3 M)CH.sub.2 SO.sub.3 M, --(CH.sub.2).sub.q --(CHSO.sub.2 M)CH.sub.2 SO.sub.3 M, --(CH.sub.2).sub.p PO.sub.3 M, --PO.sub.3 M, and mixtures thereof; M is hydrogen or a water soluble cation in sufficient amount to satisfy charge balance; X is a water soluble anion; m has the value from 4 to about 400; n has the value from 0 to about 200; p has the value from 1 to 6, q has the value from 0 to 6; r has the value of 0 or 1; w has the value 0 or 1; x has the value from 1 to 100; y has the value from 0 to 100; z has the value 0 or 1;
- (b) inputting said premix and dry detergent material into a high speed mixer/densifier and neutralizing said acid precursor to form agglomerates; and
- (c) agglomerating said agglomerates further in a moderate speed mixer/densifier so as to form said detergent composition.
- 2. The process of claim 1 wherein the pH of said premix is in a range from about 1 to about 3.
- 3. The process of claim 1 wherein said modified polyamine is present in an amount of from 0.01% to about 10% by weight of said detergent composition.
- 4. The process of claim 1 wherein said premixing step is performed in a temperature range of from about 50.degree. C. to about 90.degree. C.
- 5. The process of claim 1 wherein said inputting step includes the step of adding a neutralizing agent selected from the group consisting of sodium carbonate, sodium hydroxide, sodium silicate and mixtures thereof to said high speed mixer/densifier so as to neutralize said acid precursor.
- 6. The process of claim 5 wherein said neutralizing agent is sodium carbonate.
- 7. The process of claim 1 further comprising the step of drying said agglomerates.
- 8. The process of claim 1 wherein said agglomerates have a density of at least about 650 g/l.
- 9. The process of claim 1 wherein R is C.sub.2 -C.sub.12 alkylene.
Parent Case Info
This application claims the benefit of U.S. Provisional Application No. 60/024,800, filed Aug. 26, 1996.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
102e Date |
371c Date |
PCT/US97/13659 |
8/6/1997 |
|
|
2/26/1999 |
2/26/1999 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO98/08925 |
3/5/1998 |
|
|
US Referenced Citations (29)
Foreign Referenced Citations (1)
Number |
Date |
Country |
0 206 513 A1 |
Dec 1986 |
EPX |