Polymers having 1,3-imidazolidine -1,3-diyl rings plasticized with aromatic carboxylic acid esters.

摘要

Normally intractable polymers of the structure:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="30" wi="52" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>(wherein X is 0 or NH, provided that at least one X is 0 and R is an organic moiety), such as poly(parabanic acids), are made extrudable by composition with from 5 to 6.0 weight percent of an ester of aromatic (carboxylic acid).