A polyether derivative, a process for preparing the polyether derivative, a poly(urethane)ureamide obtained therefrom and a process for preparing the poly(urethane)ureamide.

摘要

A poly(urethane)ureamide which comprises a polymer obtained by a reaction of (a) a polyether derivative of the general formula (I) and (b) a polyisocyanate exhibits an excellent wear resistance and heat resistance due to the presence of the aromatic amido groups
<Chemistry id="chema01" num="0001"><Image id="ia01" he="22" wi="145" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein A is an n-valent radical obtained by removal of hydroxyl groups from an n-valent polyoxyalkylenepolyol having a molecular weight of 400 to 10,000,
<UnorderedLists id="ula01" listStyle="none"><ListItem>n is an integer of 2 to 8,</ListItem><ListItem>x is an average value and a number of 0 ≤ x < (n-1) and</ListItem><ListItem>y is an average value and a number of 0.05 ≤ y < 1.</ListItem></UnorderedLists>