Solvent media comprising branched carboxylic acid diesters

Patent metadata

Field	Value
Publication number	US-9267015-B2
Application number	US-28179307-A
Country	US
Kind code	B2
Filing date	Mar 2, 2007
Priority date	Mar 7, 2006
Publication date	Feb 23, 2016
Grant date	Feb 23, 2016

Abstract

Compositions containing particular branched carboxylic acid diesters obtained from a mixture of branched dinitriles exhibit especially advantageous solvating properties and thus are useful substitutes for conventional solvents, in particular halogenated solvents.

First claim

The invention claimed is:

1. A solvent comprising a mixture, the mixture comprising diesters of ethylsuccinic acid, diesters of methylglutaric acid, and diesters of adipic acid, wherein the concentration by weight of the diesters of methylglutaric acid is 70 to 95%; the concentration of diesters of ethylsuccinic acid by weight is 5 to 30%; and the concentration of diesters of adipic acid by weight is less than or equal to 10%.

2. The solvent as defined by claim 1 , wherein the solvent exhibits a crystallization temperature of less than −50° C.

3. The solvent as defined by claim 1 , wherein the solubility of water therein is less than or equal to 2.5% by weight at 23° C.

4. A cosolvent medium comprising the solvent as defined by claim 1 .

5. A method for solvating a paint, a furnished, or a lacquer, the method comprising contacting said paint, varnish, or lacquer with the composition of claim 1 .

6. A composition comprising the solvent of claim 1 , wherein the composition is a paint, a varnish, a lacquer, a coating composition, an ink, a lubricant, a binder for foundry cores and moulds, a resin for foundry cores and moulds, a cleaning product, a cosmetic formulation, a soil treatment composition, a plant treatment composition, a cleaner, a pickling composition or a degreaser.

7. The solvent of claim 1 , wherein the concentration by weight of the diesters of adipic acid is 1% to 10%.

Assignees

• Marion Philippe
• Trouillet-Fonti Lise
• Bernard Jean-Marie
• Rhodia Operations

Inventors

• Marion Philippe
• Trouillet-Fonti Lise
• Bernard Jean-Marie

Classifications

• C08K2201/014

  Additives containing two or more different additives of the same subgroup in C08K · CPC title

• C07C69/34

  Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom · CPC title

• C08K5/11 Primary

  of acyclic polycarboxylic acids · CPC title

• C07C67/22

  from nitriles · CPC title

• C07C2521/12

  Silica and alumina · CPC title