Mixture of diesters of dianhydrohexitol derivatives with...

C - Chemistry – Metallurgy – 07 – D

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C07D 493/04 (2006.01) C08K 5/15 (2006.01)

Patent

CA 2672398

The present invention relates to a mixture comprising diesters of the formula (I) where R1 to R8 = H or alkyl group having from 1 to 6 carbon atoms, where the R1 to R8 radicals may be the same or different, which is characterized in that at least two different diesters I are present in the mixture, said diesters differing in the structure of at least one of the carboxylic acid radicals C8H17COO present, to a process for preparing diesters of an isosorbide derivative of the formula I, in which a hexahydric alcohol and/or a monoanhydro or dianhydro derivative of the alcohol is esterified with a mixture of at least two different carboxylic acids of the empirical formula C8H17COOH, and to the use of these mixtures in paints, inks or coatings, in plastisols, adhesives or adhesive components, in sealants, as plasticizers in polymers or polymer components, as solvents, as lubricant oil components and as assistants in metal processing, and also PVC compositions or plastisols comprising PVC and from 5 to 250 parts by mass of the mixture per 100 parts by mass of PVC.

L'invention concerne un mélange renfermant des diesters de formule (I) dans laquelle R1 à R8 = H ou un groupe alkyle de 1 à 6 atomes de carbone, les restes R1 à R8 pouvant être identiques ou différents, caractérisé en ce que le mélange renferme au moins deux diesters différents qui se distinguent dans la structure d'au moins l'un des restes acide carboxylique présents C8H17COO. L'invention concerne en outre un procédé de production des diesters d'un dérivé isosorbide de formule (I), procédé caractérisé en ce qu'un alcool hexavalent et/ou un dérivé monoanhydro ou dianhydro de l'alcool est estérifié avec un mélange d'au moins deux acides carboxyliques différents, de formule globale C8H17COOH. Enfin, l'invention concerne l'utilisation des mélanges précités dans des teintures, des encres ou des laques, dans des plastisols, des adhésifs ou des composants d'adhésifs, dans des produits d'étanchéité, comme plastifiants dans des matières plastiques, comme solvants, comme composants d'huiles lubrifiantes et comme auxiliaires lors du traitement des métaux, et comme compositions de PVC ou plastisols, renfermant du PVC et de 5 à 250 parties en masse du mélange pour 100 parties en masse de PVC.

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