Process for improvement of colour fastness of polyester dyeings by using benzophenone ether esters and the new benzophenone ether esters

摘要

The invention relates to a process for dyeing textile polyester material with disperse dyes using benzophenone ether esters for improving the light-fastness, the use of these benzophenone ether esters for dyeing textile polyester material and novel benzophenone ether esters as such.