WATER- BASED COATING COMPOSITION CONTAINING DIALKYL CARBONATES HAVING ETHER FUNCTIONS AS COALESCENT AGENTS AND USE THEROF
申请人:Lechler S.P.A.
公开号:EP2283085A1
公开(公告)日:2011-02-16
[EN] WATER- BASED COATING COMPOSITION CONTAINING DIALKYL CARBONATES HAVING ETHER FUNCTIONS AS COALESCENT AGENTS AND USE THEROF<br/>[FR] COMPOSITION DE REVÊTEMENT À BASE AQUEUSE CONTENANT DES CARBONATES DE DIALKYLE PRÉSENTANT DES FONCTIONS ÉTHER EN TANT QU'AGENTS DE COALESCENCE ET SON UTILISATION
申请人:LECHLER S P A
公开号:WO2009147469A1
公开(公告)日:2009-12-10
The present invention relates to a water-based coating composition comprising (a) at least one resin, (b) at least one coalescent agent consisting of a compound having general formula (I) R1 (OR2) nOCOO (R3O) mR4 wherein R1 and R4, independently of each other, are a linear or branched alkyl group, having from 1 to 6 carbon atoms, preferably from 1 to 4; R2 is a linear or branched alkyl group, having from 2 to 6 carbon atoms, preferably from 2 to 4; R3 is a linear or branched alkyl group, having from 2 to 6 carbon atoms, preferably from 2 to 3; n is an integer varying from 1 to 4, preferably from 1 to 2; m is an integer varying from 0 to 4, preferably from 0 to 2; (c) water,- (d) optionally, pigments and/or fillers and/or additives. The present invention also relates to the use of dialkyl carbonates having ether functions as coalescent agents.
Green Synthesis of Dimethyl Isosorbide
作者:Pietro Tundo、Fabio Aricò、Guillaume Gauthier、Laura Rossi、Anthony E. Rosamilia、Hanamanthsa S. Bevinakatti、Robert L. Sievert、Christoper P. Newman
DOI:10.1002/cssc.201000011
日期:——
A green synthetic approach for dimethylisosorbide (DMI) with dimethylcarbonate (DMC) in the presence of a base is reported. The easy methylation of isosorbide may be due to its unique structure (which enhances the nucleophilicity of the hydroxyl groups), and to the effect of the hydrogen bonding which increases the reactivity of the molecule towards DMC.