Block polyesters and like compounds useful as soil release agents in detergent compositions
First Claim
Patent Images
1. Compounds of the formula:
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space="preserve" listing-type="equation">X[(OCH.sub.2 CH.sub.2).sub.n (OR.sup.5).sub.m ][(A--R.sup.1 --A--R.sup.2).sub.u (A--R.sup.3 --A--R.sup.2).sub.v ]A--R.sup.4 --A[(R.sup.5 O).sub.m (CH.sub.2 CH.sub.2 O).sub.n ]Xwherein each of the A moieties is selected from the group consisting of ##STR29## and combinations thereof with either or both of the moieties ##STR30## each of the R1 moieties is selected from the group consisting of 1,4-phenylene and combinations thereof with 1,3-phenylene, 1,2-phenylene, 1,8-naphthylene, 1,4-naphthylene, 2,2'"'"'-biphenylene, 4,4'"'"'-biphenylene, C1 -C8 alkenylene or C1 -C8 alkylene, or mixtures thereof;
the R2 moieties are each selected from the group consisting of ethylene moieties, substituted ethylene moieties having C1 -C4 alkyl or alkoxy substituents, or mixtures thereof;
the R3 moieties are substituted C2 -C18 hydrocarbylene moieties having least one --COOM, --O[(R5 O)m (CH2 CH2 O)n ]X or --A[(R2 --A--R4 --A)]w [(R5 O)m (CH2 CH2 O)n ]X substituent;
the R4 moieties are R1 or R3 moieties, or a mixture thereof;
each R5 is C3 -C4 alkylene, or the moiety --R2 --A--R6 --, wherein R6 is a C1 -C12 alkylene, alkenylene, arylene or alkarylene moiety;
each M is H or a water-soluble cation;
each X is C1 -C4 alkyl;
m and n are numbers such that the moiety --(CH2 CH2 O)-- comprises at least about 50% by weight of the moiety [(R5 O)m (CH2 CH2 O)n ], provided that when R5 is the moiety --R2 --A--R6 --, m is 1;
each n is at least about 10;
u and v are numbers such that the sum of u+v is from about 3 to about 25;
w is 0 or at least 1; and
when w is at least 1, u, v and w are numbers such that the sum of u+v+w is from about 3 to about 25.
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Abstract
Block polyesters useful as soil release agents in detergent compositions are disclosed. Preferred polyesters have the formula: ##STR1## wherein each R1 is a 1,4-phenylene moiety; the R2 consist essentially of ethylene moieties, 1,2-propylene moieties or a mixture thereof; each X is ethyl or preferably methyl; each n is from about 12 to about 43; u is from about 3 to about 10.
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Citations
40 Claims
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1. Compounds of the formula:
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space="preserve" listing-type="equation">X[(OCH.sub.2 CH.sub.2).sub.n (OR.sup.5).sub.m ][(A--R.sup.1 --A--R.sup.2).sub.u (A--R.sup.3 --A--R.sup.2).sub.v ]A--R.sup.4 --A[(R.sup.5 O).sub.m (CH.sub.2 CH.sub.2 O).sub.n ]Xwherein each of the A moieties is selected from the group consisting of ##STR29## and combinations thereof with either or both of the moieties ##STR30## each of the R1 moieties is selected from the group consisting of 1,4-phenylene and combinations thereof with 1,3-phenylene, 1,2-phenylene, 1,8-naphthylene, 1,4-naphthylene, 2,2'"'"'-biphenylene, 4,4'"'"'-biphenylene, C1 -C8 alkenylene or C1 -C8 alkylene, or mixtures thereof;
the R2 moieties are each selected from the group consisting of ethylene moieties, substituted ethylene moieties having C1 -C4 alkyl or alkoxy substituents, or mixtures thereof;
the R3 moieties are substituted C2 -C18 hydrocarbylene moieties having least one --COOM, --O[(R5 O)m (CH2 CH2 O)n ]X or --A[(R2 --A--R4 --A)]w [(R5 O)m (CH2 CH2 O)n ]X substituent;
the R4 moieties are R1 or R3 moieties, or a mixture thereof;
each R5 is C3 -C4 alkylene, or the moiety --R2 --A--R6 --, wherein R6 is a C1 -C12 alkylene, alkenylene, arylene or alkarylene moiety;
each M is H or a water-soluble cation;
each X is C1 -C4 alkyl;
m and n are numbers such that the moiety --(CH2 CH2 O)-- comprises at least about 50% by weight of the moiety [(R5 O)m (CH2 CH2 O)n ], provided that when R5 is the moiety --R2 --A--R6 --, m is 1;
each n is at least about 10;
u and v are numbers such that the sum of u+v is from about 3 to about 25;
w is 0 or at least 1; and
when w is at least 1, u, v and w are numbers such that the sum of u+v+w is from about 3 to about 25. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. Compounds of formula:
- ##STR32## wherein each R1 moiety is a 1,4-phenylene moiety;
the R2 moieties are each selected from the group consisting of ethylene moieties, 1,2-propylene moieties, 1,2 butylene moieties, 1,2 hexylene moieties, 3-methoxy-1,2-propylene moieties or mixtures thereof, provided that said R2 moieties are not exclusively 1,2 butylene moieties, 1,2 hexylene moieties, 3-methoxy-1,2-propylene moieties or mixtures thereof;
the R3 moieties are each selected from the group consisting of substituted 1,3-phenylene moieties having the substituent ##STR33## at the 5-position;
the R4 moieties are R1 or R3 moieties, or a mixture thereof;
each X is C1 -C4 alkyl;
each n is from about 12 to about 43;
when w is 0, u+v is from about 3 to about 10;
when w is at least 1, u+v+w is from about 3 to about 10. - View Dependent Claims (14, 15)
- ##STR32## wherein each R1 moiety is a 1,4-phenylene moiety;
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16. A detergent composition which comprises:
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(a) from about 1 to about 75% by weight of a nonionic, anionic, ampholytic, zwitterionic, or cationic detergent surfactant, or mixture thereof; and (b) a soil release component which comprises an effective amount of a soil release compound of the formula;
space="preserve" listing-type="equation">X[(OCH.sub.2 CH.sub.2).sub.n (OR.sup.5).sub.m ][(A--R.sup.1 --A--R.sup.2).sub.u (A--R.sup.3 --A--R.sup.2).sub.v ]A--R.sup.4 --A[(R.sup.5 O).sub.m (CH.sub.2 CH.sub.2 O).sub.n ]Xwherein each of the A moieties is selected from the group consisting of ##STR34## and combinations thereof with either or both of the moieties ##STR35## each of the R1 moieties is selected from the group consisting of 1,4-phenylene and combinations thereof with 1,3-phenylene, 1,2-phenylene, 1,8-naphthylene, 1,4-naphthylene, 2,2'"'"'-biphenylene, 4,4'"'"'-biphenylene, C1 -C8 alkenylene or C1 -C8 alkylene, or mixtures thereof;
the R2 moieties are each selected from the group consisting of ethylene moieties, substituted ethylene moieties having C1 -C4 alkyl or alkoxy substituents or mixtures thereof;
the R3 moieties are substituted C2 -C18 hydrocarbylene moieties having least one --COOM, --O[(R5 O)m (CH2 CH2 O)n ]X or --A[(R2 --A--R4 --A)--]w [--(R5 O)m (CH2 CH2 O)n ]X substituent;
the R4 moieties are R1 or R3 moieties, or a mixture thereof;
each R5 is C3 -C4 alkylene, or the moiety --R2 --A--R6 --, wherein R6 is a C1 -C12 alkylene, alkenylene, arylene or alkarylene moiety;
each M is H or a water-soluble cation;
each X is C1 -C4 alkyl;
m and n are numbers such that the moiety --(CH2 CH2 O)-- comprises at least about 50% by weight of the moiety [(R5 O)m (CH2 CH2 O)n ], provided that when R5 is the moiety --R2 --A--R6 --, m is 1;
each n is at least about 6;
u and v are numbers such that the sum of u+v is from about 3 to about 25;
w is 0 or at least 1; and
when w is at least 1, u, v and w are numbers such that the sum of u+v+w is from about 3 to about 25. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. Compounds of the formula:
- ##STR37## wherein R2 is selected from the group consisting of 1,2-propylene, ethylene, or mixtures thereof;
each X is C1 -C4 alkyl;
each n is from about 12 to about 43;
u is from about 3 to about 10. - View Dependent Claims (35, 36, 37, 38, 39, 40)
- ##STR37## wherein R2 is selected from the group consisting of 1,2-propylene, ethylene, or mixtures thereof;
Specification