公开(公告)号：DE10163163A1

公开(公告)日：2003-07-03

申请号：DE10163163

申请日：2001-12-20

Applicant: BASF AG

Inventor： WAGNER EVA ,  BRUCHMANN BERND ,  HAERING DIETMAR ,  KELLER PETER ,  POUHE THOMAS

IPC: C08G63/06 ,  C08G63/12 ,  C08G63/60 ,  C08G83/00 ,  C12P7/62 ,  C12R1/72 ,  C08G63/78 ,  C08G63/91 ,  C09D135/02 ,  C09J135/02

Abstract: The invention relates to a method for producing highly functional, hyper branched polyester, characterised by the reaction of a reaction solution containing solvent and (a) one or more dicarboxylic acids or one or more derivatives thereof with one or more at least trifunctional alcohols, (b) or one or more tricarboxylic acids or high polycarboxylic acids or one or more derivatives thereof with one or more dioles, (c) or one or more tricarboxylic acids or higher polycarboxylic acids or one or more derivatives thereof with one or more trifunctional alcohols, (d) or one or more di- or polyhydroxycarboxylic acids, (e) or one or more hydroxydicarboxylic acids or hydroxypolycarboxylic acids, or a mixture of at least two of the above-mentioned reaction solutions in the presence of an enzyme at temperatures greater than 60 DEG C and at a pressure which is greater than 500mbar.

公开(公告)号：AU2002356670A1

公开(公告)日：2003-07-09

申请号：AU2002356670

申请日：2002-12-18

Applicant: BASF AG

Inventor： HARING DIETMAR ,  KELLER PETER ,  POUHE THOMAS ,  WAGNER EVA ,  BRUCHMANN BERND

IPC: C08G63/06 ,  C08G63/12 ,  C08G63/60 ,  C08G83/00 ,  C12P7/62 ,  C12R1/72 ,  C08G63/00 ,  C08G63/02

Abstract: The present invention relates to a process for preparing highly functional hyperbranched polyesters which comprises reacting a reaction solution comprising solvent and (a) one or more dicarboxylic acids or one or more derivatives thereof with one or more at least trifunctional alcohols (b) or one or more tricarboxylic acids or higher polycarboxylic acids or one or more derivatives thereof with one or more diols (c) or one or more tricarboxylic acids or higher polycarboxylic acids or one or more derivatives thereof with one or more at least trifunctional alcohols (d) or one or more di- or polyhydroxycarboxylic acids (e) or one or more hydroxydi- or hydroxypolycarboxylic acids or mixtures of at least two of the above reaction solutions in the presence of an enzyme at temperatures above 60° C. and pressures above 500 mbar.