Claims
- 1. In a quaternization process for preparing a quaternary ammonium compound having Formula I, Formula II, Formula III, or mixtures thereof, said process comprising the step of forming a quaternization reaction mixture having a viscosity, wherein: said Formula I comprises:
- (R).sub.4-m --N.sup.+ --[(CH.sub.2).sub.n --Y--R.sup.2 ].sub.m X.sup.-
- wherein
- each Y=--O--C(O)--, or --C(O)--O--; m=1 to 3; each n=is an integer from 1 to 4, and mixtures thereof;
- each R substituent is a short chain C.sub.1 -C.sub.6 alkyl group; a short chain C.sub.1 -C.sub.4 hydroxy alkyl group; benzyl; or mixtures thereof;
- each R.sup.2 is a long chain, saturated or unsaturated, with an Iodine Value of from about 3 to about 60, C.sub.8 -C.sub.30 hydrocarbyl, or substituted hydrocarbyl substituent; and the counterion, X.sup.-, can be any softener-compatible anion;
- said Formula II comprises:
- (R.sup.1).sub.3 --.sup.+ N--(CH.sub.2).sub.n --C(YR.sup.2)H--C(YR.sup.2)H.sub.2 X.sup.-
- wherein, for any molecule:each Y is --O--C(O)-- or --C(O)--O--;
- each R.sup.1 is C.sub.1 -C.sub.4 alkyl or hydroxy alkyl; and
- R.sup.2, X.sup.-, and n are as defined herein before for Formula I; and
- said Formula III comprises:
- (R).sub.4-m --N.sup.+ --[(CH.sub.2).sub.n --Y--R.sup.2 ].sub.m X.sup.-
- wherein R, R.sup.2, m, n, and X.sup.- are as previously defined in Formula I; and each Y=--NH--C(O)--; --C(O)--NH--; --C(O)--O--; and --O--C(O)--; wherein at least one Y group is --NH--C(O)-- or --C(O)--NH--;
- the improvement in which unsaturated fatty acid having an Iodine Value of from about 3 to about 60 is added at a level of from about 5% to about 30% to the quaternization reaction mixture to reduce, maintain, or reduce and maintain the viscosity at less than about 1000 cps at 70.degree. C., the viscosity in the absence of the unsaturated fatty acid being more than about 1500 cps at 70.degree. C.
- 2. The process of claim 1 wherein the quaternary ammonium compound has Formula I, the level of unsaturated fatty acid is from about 10% to about 25%, and the Iodine Value of the unsaturated fatty acid is from about 8 to about 50.
- 3. The process of preparing a dryer-activated fabric conditioning composition comprising the step of combining:
- (A) fabric softener consisting essentially of:
- (1) from about 5% to about 95% of biodegradable quaternary ammonium compound selected from the group consisting of the compounds of Formulas I, II, Ill, and mixtures thereof, as prepared by the process of claim 1;
- (2) at least about 5% sugar derivative containing at least 5 groups selected from the group consisting of: ethoxy groups; propoxy groups; and mixtures thereof and one long hydrophobic moiety per molecule; and
- (3) from 0% to about 95% of carboxylic acid salt of a tertiary amine; and
- (B) from about 1% to about 15% unsaturated fatty acid having an Iodine Value of from about 3 to about 60
- wherein:
- said Formula I comprises:
- (R).sub.4-m --N.sup.+ --[(CH.sub.2).sub.n --Y--R.sup.2 ].sub.m X.sup.-
- wherein
- each Y=--O--C(O)--, or --C(O)--O--; m=1 to 3; each n=is an integer from 1 to 4, and mixtures thereof;
- each R substituent is a short chain C.sub.1 -C.sub.6 alkyl group; a short chain C.sub.1 -C.sub.4 hydroxy
- alkyl group; benzyl; or mixtures thereof;
- each R.sup.2 is a long chain, saturated or unsaturated with an Iodine Value or from about 3 to about 60, C.sub.8 -C.sub.30 hydrocarbyl, or substituted hydrocarbyl substituent; and the counterion, X.sup.-, can be any softener-compatible anion;
- said Formula II comprises:
- (R.sup.1).sub.3 --.sup.+ N--(CH.sub.2).sub.n --C(YR.sup.2)H--C(YR.sup.2)H.sub.2 X.sup.-
- wherein, for any molecule:each Y is --O--C(O)-- or --C(O)--O--; each R.sup.1 is C.sub.1 -C.sub.4 alkyl or hydroxy alkyl; and
- R.sup.2, X.sup.-, and n are as defined herein before for Formula I; and said Formula III comprises:
- (R).sub.4-m --N.sup.+ --[(CH.sub.2).sub.n --Y--R.sup.2 ].sub.m X.sup.-
- wherein R, R.sup.2, m, n, and X.sup.- are as previously defined in Formula I; and each Y=--NH--C(O)--; --C(O)--NH--; --C(O)--O--; and --O--C(O)--; wherein at least one Y group is --NH--C(O)-- or --C(O)--NH--.
Parent Case Info
This is a continuation of application Ser. No. 08/309,339, filed on Sep. 20, 1994 now U.S. Pat. No. 5,503,756.
US Referenced Citations (37)
Foreign Referenced Citations (7)
Number |
Date |
Country |
2021322 |
Jan 1991 |
CAX |
0280550 |
Aug 1988 |
EPX |
284036 |
Sep 1988 |
EPX |
0354011A1 |
Feb 1990 |
EPX |
0409504A2 |
Jan 1991 |
EPX |
0409502 |
Jan 1991 |
EPX |
0409503 |
Jan 1991 |
EPX |
Continuations (1)
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309339 |
Sep 1994 |
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