Back to results
US 7,396,803 B2Granted
Low foaming, lubricating, water based emulsions
AssigneeCroda Uniqema, Inc.
InventorRonald E. Bingeman
Life of this patent
Estimating the term…
Abstract
Mixtures of water immiscible components and water dispersible components, in combination with an optional coemulsifier and an optional coupling agent, provide synthetic (water based) emulsions that have enhanced lubricity, provide excellent cooling characteristics, are low foaming and biostable and can be made effectively transparent.
Claims31
A composition comprising:
- (A) at least one water immiscible component selected from the group consisting of polyhydroxystearic acid, a polyhydroxyoleic acid, substantially fully esterified C1 to C9 alkyl esters of trimer acid, and mixtures thereof;
- (B) at least one water dispersible esterified trimer acid, wherein the water dispersible esterified trimer acid is the esterification product of:
- (1) an acid component comprising at least one member of the group consisting of trimer acid, hydrogenated trimer acid, and mixtures thereof;
- and
- (2) an alcohol component comprising:
- (i) at least one straight chain or branched saturated monohydric alcohol having from about 1 to about 24 carbon atoms;
- and
- (ii) at least one alkoxy poly(alkylene)glycol having one terminal hydroxyl group etherified with a C1 to C4 aliphatic monohydric alcohol and which is alkoxylated with from 2 to 25 moles of a C2 to C5 alkylene oxide;
- and
- (C) a co-emulsifier selected from the group consisting of straight chain or branched organic acids having between 8 and 20 carbon atoms and mixtures thereof, wherein the total amount of co-emulsifier is from 0 to about 50 weight percent of the total amount of (A), (B) and (C);
- wherein the weight ratio of the total of (A) to the combined total amount of (B) plus (C) is between about 3:1 and about 1:7 and the composition is capable of forming a synthetic system having a pH of greater than about 7.5 when added to water.
8 more elements
A composition comprising:
- (A) at least one water immiscible component selected from the group consisting of substantially fully esterified C1 to C9 alkyl esters of trimer acid, and mixtures thereof;
- (B) at least one water dispersible esterified trimer acid that is the esterification product of:
- (1) an acid component comprising at least one member of the group consisting of trimer acid, hydrogenated trimer acid, and mixtures thereof;
- and
- (2) an alcohol component comprising:
- (i) at least one straight chain or branched saturated monohydric alcohol having from about 1 to about 24 carbon atoms;
- and
- (ii) at least one alkoxy poly(alkylene)glycol having one terminal hydroxyl group etherified with a C1 to C4 aliphatic monohydric alcohol and which is alkoxylated with from 2 to 25 moles of C2 to C3 alkylene oxide;
- (C) optionally at least one co-emulsifier selected from the group consisting of straight chain or branched organic acids having between 8 and 20 carbon atoms, and mixtures thereof, wherein the total amount of co-emulsifier, when present, is less than about 50 weight percent of the total weight of (A), (B) and (C);
- and
- (D) at least one alkoxylate coupling agent selected from the group consisting of glycols, polyglycols, polyalkylene glycols, alkyl alkoxylates obtained from C4 to C15 alcohols, and mixtures thereof, wherein (D) is present from 5 to about 20 weight percent of the weight of (A), (B), (C) and (D);
- wherein the weight ratio of the total amount of (A) to the total amount of (B) and (C) is between about 3:1 and about 1:3 and the composition is capable of forming a synthetic system having a pH of greater than about 7.5 when added to water.
9 more elements
A composition capable of forming a water based emulsion when added to water, comprising:
- (A) a 2-ethylhexyl ester of trimer acid;
- (B) a methyl end-capped polyethylene glycol-2-ethylhexyl trimerate wherein the molecular weight of the polyethylene glycol is about 350 and mixtures thereof;
- (D) a butanol initiated polypropylene glycol coupling agent;
- and triethanolamine wherein the coupling agent (D) is about 10 to about 15 weight percent of the weight of (A), (B) and (D), and the triethanolamine is present in an amount to obtain a pH of at least 8 for the water based emulsion.
1 more element
A composition comprising:
- (A) at least one water immiscible component selected from the group consisting of polyhydroxystearic acid, a polyhydroxyoleic acid, substantially fully esterified C1 to C9 alkyl esters of trimer acid, and mixtures thereof:
- (B) at least one water dispersible esterified trimer acid, wherein the water dispersible esterified trimer acid is the esterification product of:
- (1) an acid component comprising at least one member of the group consisting of trimer acid, hydrogenated trimer acid and mixtures thereof;
- and
- (2) an alcohol component comprising:
- (i) at least one straight chain or branched saturated monohydric alcohol having from about 1 to about 24 carbon atoms;
- and
- (ii) at least one alkoxy poly(alkylene)glycol having one terminal hydroxyl group etherified with a C1 to C4 aliphatic monohydric alcohol and which is alkoxylated with from 2 to 25 moles of a C2 to C5 alkylene oxide;
- and
- (C) a co-emulsifier selected from the group consisting of straight chain or branched organic acids having between 8 and 20 carbon atoms and mixtures thereof, wherein the total amount of co-emulsifier is from 0 to about 50 weight percent of the total amount of (A), (B) and (C);
- wherein the weight ratio of the total of (A) to the combined amount of (B) plus (C) is between about 3:1 and about 1:7;
- said composition further comprising at least about 6 weight percent of a neutralizing agent based on the total amount of (A), (B) and (C);
- and wherein said composition is capable of forming a synthetic system having a pH of greater than about 7.5 when added to water.
10 more elements
A composition comprising:
- (A) at least one water immiscible component selected from the group consisting of substantially fully esterified C1 to C9 alkyl esters of trimer acid, and mixtures thereof:
- (B) at least one water dispersible esterified trimer acid that is the esterification product of:
- (1) an acid component comprising at least one member of the group consisting of trimer acid, hydrogenated trimer acid and mixtures thereof;
- and
- (2) an alcohol component comprising:
- (i) at least one straight chain or branched saturated monohydric alcohol having from about 1 to about 24 carbon atoms;
- and
- (ii) at least one alkoxy poly(alkylene)glycol having one terminal hydroxyl group etherified with a C1 to C4 aliphatic monohydric alcohol and which is alkoxylated with from 2 to 25 moles of a C2 to C3 alkylene oxide;
- (C) optionally at least one co-emulsifier selected from the group consisting of straight chain or branched organic acids having between 8 and 20 carbon atoms, and mixtures thereof, wherein the total amount of co-emulsifier, when present, is less than about 50 weight percent of the total weight of (A), (B) and (C);
- and
- (D) at least one alkoxylate coupling agent selected from the group consisting of glycols, polyglycols, polyalkylene glycols, alkyl alkoxylates obtained from C4 to C15 alcohols, and mixtures thereof, wherein (D) is present from 5 to about 20 weight percent of the weight of (A), (B), (C) and (D);
- wherein the weight ratio of the total of (A) to the combined amount of (B) plus (C) is between about 3:1 and about 1:3;
- said composition further comprising at least about 6 weight percent of a neutralizing agent based on the total amount of (A), (B), (C) and (D);
- and wherein said composition is capable of forming a synthetic system having a pH of greater than about 8.0 when added to water.
11 more elements
A composition capable of forming a water based emulsion when added to water, comprising:
- (A) a 2-ethylhexyl ester of trimer acid;
- (B) a methyl end-capped polyethylene glycol-2-ethylhexyl trimerate wherein the molecular weight of the polypropylene glycol is about 350 and mixtures thereof;
- (D) a butanol initiated polypropylene glycol coupling agent;
- and
- (E) triethanolamine;
- wherein (D) is about 10-15 wt % of the total amount of (A), (B) and (D);
- and
- wherein (E) is at least about 6 wt % of the total amount of (A), (B) and (D).
5 more elements
Dependencies are inferred from the claim text.