Water-in-oil emulsion
AssigneeThe Lubrizol Corporation
InventorsBrian B. Filippini, John J. Mullay, Deborah A. Langer, Jeffrey M. Carey, Robert W. Dix
Life of this patent
Estimating the term…
Abstract
A water-in-oil emulsion composition is disclosed. The composition contains (A) a solvent, (B) water, and (C) a surfactant. This composition is suitable for removing non-aqueous coatings such as paints and the like as well as waxes and greases from substrates.
Claims20
A water-in-oil emulsion composition, comprising:
- (A) a solvent selected from the group consisting of aliphatic hydrocarbons, aromatic hydrocarbons, alcohols, ethers, glycol ethers, hydrofluoroethers, esters, ketones, aldehydes, lactones, terpenes, chlorinated non-polymeric hydrocarbons, pyrrolidones, and mixtures of two or more thereof;
- (B) water;
- and
- (C) a surfactant comprising:
- (C)(i) a product made from the reaction of an acylating agent with ammonia, an amine, a hydroxyamine, an alcohol, water, or a mixture of two or more thereof;
- (C)(ii) a product derived from:
- a polycarboxylic acylating agent;
- a copolymer derived from at least one olefin monomer and at least one alpha, beta unsaturated carboxylic acid or derivative thereof;
- and a linking compound having two or more primary amino groups, two or more secondary amino groups, at least one primary amino group and at least one secondary amino group, at least two hydroxyl groups, or at least one primary or secondary amino group and at least one hydroxyl group;
- (C)(iii) a Mannich reaction product derived from a hydroxy aromatic compound, an aldehyde or a ketone, and an amine containing at least one primary or secondary amino group;
- (C)(iv) a hydrocarbyl substituted carboxylic acid, the hydrocarbyl substiuent of the acid containing at least about 12 carbon atoms;
- (C)(v) at least one compound represented by one or more of the formulae:
- 13
- 14
- wherein in Formulae (C)(v)-1 to (C)(v)-6, each R is independently hydrogen or a hydrocarbyl group of up to about 60 carbon atoms;
- each R′ and R″ is independently an alkylene group of 1 to about 20 carbon atoms;
- each R′″ is independently hydrogen, or an acyl or hydrocarbyl group of up to about 30 carbon atoms;
- n is a number in the range of zero to about 50;
- and x, y and z are independently numbers in the range of zero to about 50 with the total for x, y and z being at least 1;
- (C)(vi) an ionic or a nonionic compound having a hydrophilic-lipophilic balance of about 1 to about 40;
- or
- (C)(vii) a mixture of two or more of (C)(i) through (C)(vi);
- the composition being characterized by the absence of an oxygen supplying oxidizer salt wherein (A) is an aliphatic hydrocarbon, aromatic hydrocarbon, alcohol or ether.
A water-in-oil emulsion composition, comprising:
- from about 25% to about 85% by weight of a solvent selected from the group consisting of:
- naphtha;
- mineral spirits;
- turpentine;
- toluene;
- xylene;
- methylene chloride;
- perchloroethylene;
- acetone;
- methyl ethyl ketone;
- and mixtures of two or more thereof;
- from about 15% to about 75% by weight water;
- and
- the reaction product of a hydrocarbon substituted succinic acid or anhydride with an alkanol amine;
- the composition being characterized by the absence of an oxygen supplying oxidizer salt.
A water-in-oil emulsion composition, comprising:
- (A) a solvent selected from the group consisting of glycol ethers, hydrofluoroethers, esters, ketones, aldehydes, lactones, terpenes, chlorinated non-polymeric hydrocarbons, pyrrolidones, and mixtures of two or more thereof;
- (B) water;
- and
- (C) a surfactant comprising:
- (C)(i) a product made from the reaction of an acylating agent with ammonia, an amine, a hydroxyamine, an alcohol, water, or a mixture of two or more thereof;
- (C)(ii) a product derived from:
- a polycarboxylic acylating agent;
- a copolymer derived from at least one olefin monomer and at least one alpha, beta unsaturated carboxylic acid or derivative thereof;
- and a linking compound having two or more primary amino groups, two or more secondary amino groups, at least one primary amino group and at least one secondary amino group, at least two hydroxyl groups, or at least one primary or secondary amino group and at least one hydroxyl group;
- (C)(iii) a Mannich reaction product derived from a hydroxy aromatic compound, an aldehyde or a ketone, and an amine containing at least one primary or secondary amino group;
- (C)(iv) a hydrocarbyl substituted carboxylic acid, the hydrocarbyl substiuent of the acid containing at least about 12 carbon atoms;
- (C)(v) at least one compound represented by one or more of the formulae:
- 17
- 18
- wherein in Formulae (C)(v)-1 to (C)(v)-6, each R is independently hydrogen or a hydrocarbyl group of up to about 60 carbon atoms;
- each R′ and R″ is independently an alkylene group of 1 to about 20 carbon atoms;
- each R′″ is independently hydrogen, or an acyl or hydrocarbyl group of up to about 30 carbon atoms;
- n is a number in the range of zero to about 50;
- and x, y and z are independently numbers in the range of zero to about 50 with the total for x, y and z being at least 1;
- (C)(vi) an ionic or a nonionic compound having a hydrophilic-lipophilic balance of about 1 to about 40;
- or
- (C)(vii) a mixture of two or more of (C)(i) through (C)(vi).
A water-in-oil emulsion composition, comprising:
- (A) a solvent selected from the group consisting of aliphatic hydrocarbons, aromatic hydrocarbons, alcohols, ethers, glycol ethers, hydrofluoroethers, esters, ketones, aldehydes, lactones, terpenes, chlorinated non-polymeric hydrocarbons, pyrrolidones, and mixtures of two or more thereof;
- (B) water;
- (C) a surfactant comprising:
- (C)(i) a product made from the reaction of an acylating agent with ammonia, an amine, a hydroxyamine, an alcohol, water, or a mixture of two or more thereof;
- (C)(ii) a product derived from:
- a polycarboxylic acylating agent;
- a copolymer derived from at least one olefin monomer and at least one alpha, beta unsaturated carboxylic acid or derivative thereof;
- and a linking compound having two or more primary amino groups, two or more secondary amino groups, at least one primary amino group and at least one secondary amino group, at least two hydroxyl groups, or at least one primary or secondary amino group and at least one hydroxyl group;
- (C)(iii) a Mannich reaction product derived from a hydroxy aromatic compound, an aldehyde or a ketone, and an amine containing at least one primary or secondary amino group;
- (C)(iv) a hydrocarbyl substituted carboxylic acid, the hydrocarbyl substiuent of the acid containing at least about 12 carbon atoms;
- (C)(v) at least one compound represented by one or more of the formulae:
- 19
- 20
- wherein in Formulae (C)(v)-1 to (C)(v)-6, each R is independently hydrogen or a hydrocarbyl group of up to about 60 carbon atoms;
- each R′ and R″ is independently an alkylene group of 1 to about 20 carbon atoms;
- each R′″ is independently hydrogen, or an acyl or hydrocarbyl group of up to about 30 carbon atoms;
- n is a number in the range of zero to about 50;
- and x, y and z are independently numbers in the range of zero to about 50 with the total for x, y and z being at least 1;
- (C)(vi) an ionic or a nonionic compound having a hydrophilic-lipophilic balance of about 1 to about 40;
- or
- (C)(vii) a mixture of two or more of (C)(i) through (C)(vi);
- and
- (D) a rheology control agent selected from a polyisobutene;
- a polyacrylate;
- a polymethacrylate;
- an ethylene-propylene copolymer;
- a terpolymer derived from ethylene, propylene and a non-conjugated diene;
- an ester derived from a copolymer of styrene and maleic anhydride, and an alcohol of up to about 18 carbon atoms;
- a hydrogenated copolymer derived from styrene and a conjugated diene;
- an ethylene/propylene/non-conjugated diene terpolymer with a functionalized monomer grafted onto the backbone of the terpolymer;
- an ethylene/propylene/norbornadiene terpolymer with maleic anhydride grafted onto the backbone of the terpolymer;
- an organically modified clay;
- diatomaceous earth;
- kaolin;
- vaterite;
- a gelled overbased sulfonate;
- a gelled overbased carboxylate, or a mixture of two or more thereof.
A process for removing a non-aqueous coating, wax or grease from a substrate, the process comprising applying a water-in-oil emulsion composition to the non-aqueous coating, wax or grease, and removing the applied water-in-oil composition and non-aqueous coating, wax or grease from the substrate, the water-in-oil emulsion composition comprising:
- (A) a solvent selected from the group consisting of aliphatic hydrocarbons, aromatic hydrocarbons, alcohols, ethers, glycol ethers, hydrofluoroethers, esters, ketones, aldehydes, lactones, terpenes, chlorinated non-polymeric hydrocarbons, pyrrolidones, and mixtures of two or more thereof;
- (B) water;
- and
- (C) a surfactant comprising:
- (C)(i) a product made from the reaction of an acylating agent with ammonia, an amine, a hydroxyamine, an alcohol, water, or a mixture of two or more thereof;
- (C)(ii) a product derived from:
- a polycarboxylic acylating agent;
- a copolymer derived from at least one olefin monomer and at least one alpha, beta unsaturated carboxylic acid or derivative thereof;
- and a linking compound having two or more primary amino groups, two or more secondary amino groups, at least one primary amino group and at least one secondary amino group, at least two hydroxyl groups, or at least one primary or secondary amino group and at least one hydroxyl group;
- (C)(iii) a Mannich reaction product derived from a hydroxy aromatic compound, an aldehyde or a ketone, and an amine containing at least one primary or secondary amino group;
- (C)(iv) a hydrocarbyl substituted carboxylic acid, the hydrocarbyl substiuent of the acid containing at least about 12 carbon atoms;
- (C)(v) at least one compound represented by one or more of the formulae:
- 21
- 22
- wherein in Formulae (C)(v)-1 to (C)(v)-6, each R is independently hydrogen or a hydrocarbyl group of up to about 60 carbon atoms;
- each R′ and R″ is independently an alkylene group of 1 to about 20 carbon atoms;
- each R′″ is independently hydrogen, or an acyl or hydrocarbyl group of up to about 30 carbon atoms;
- n is a number in the range of zero to about 50;
- and x, y and z are independently numbers in the range of zero to about 50 with the total for x, y and z being at least 1;
- (C)(vi) an ionic or a nonionic compound having a hydrophilic-lipophilic balance of about 1 to about 40;
- or
- (C)(vii) a mixture of two or more of (C)(i) through (C)(vi).
Dependencies are inferred from the claim text.