申请人:DSM IP ASSETS BV
公开号:WO2014135712A2
公开(公告)日:2014-09-12
The present invention relates to a process for producing polyester, which method comprises reacting a dicarboxylic acid and a diol in the presence of a trizazine derivative, such as melamine-cyanuric acid (MeCy). The invention also relates to process for producing a polyester, which method comprises reacting a dicarboxylic acid and a diol in the presence of a metal sulfate.