Abstract:
The invention relates to a method for producing isosorbide ethoxylate dimethacrylate by the transesterification of alkyl(meth)acrylate with isosorbide ethoxylate, comprising the following steps: (i) ethoxylating isosorbide to isosorbide ethoxylate; (ii) permitting alkyl(meth)acrylate to react with isosorbide ethoxylate in the presence of potassium phosphate as a catalyst and of a stabilizer and in the presence of an entrainer, forming an azeotrope with the alcohol bonded in the alkyl(meth)alcylate; (iii) continuously distilling off the azeotrope that consists of entrainer and alcohol, steps (ii) and (iii) being carried out simultaneously until isosorbide ethoxylate is substantially completely converted; (iv) separating the catalyst from the isosorbide ethoxylate dimethacrylate-containing product mixture; and (v) distilling off non-converted alkyl(meth)acrylate and entrainer from the product mixture.
Abstract:
The present invention relates to the use of a cosmetic composition comprising isosorbide monooleate for depositing isosorbide monooleate on human skin or hair. Furthermore it relates to a process for depositing isosorbide monooleate on human skin or hair, wherein this process comprises contacting human skin or hair with a cosmetic composition comprising isosorbide monooleate and rinsing off the cosmetic composition comprising isosorbide monooleate with water, so that, after rinsing off the cosmetic composition, isosorbide monooleate is left deposited on the human skin or hair.
Abstract:
Described are isosorbide derivatives according to general formula wherein R and R′, independently of one another, are: (i) hydrogen atom, or (ii) radical COR″, wherein R″ is linear or branched, saturated or unsaturated alkyl radical having 5 to 23 carbon atoms, or (iii) linear or branched, saturated or unsaturated alkyl radical having 6 to 22 carbon atoms, or (iv) radical CH2—CHOH—R′″, wherein R′″ is linear or branched alkyl radical having 6 to 22 carbon atoms, or (v) radical (CH2—CH2O)n—H and/or (CH2—CH(CH3)—O)m—H, wherein n and m, independently of one another, are an integer or fraction from 1 to 10, or (vi) for radical SO3OX, wherein X represents a sodium or ammonium ion, with the proviso that at most one of the radicals R and R′ is a hydrogen atom. The isosorbide derivatives are useful as components of cosmetic compositions.