Elastomeric polyetheresterimides.

摘要

Thermoplastic elastomeric polyetheresterimides comprising a multiplicity of long chain esterimide units being represented by the formula
<Chemistry id="chema01" num="0001"><Image id="ia01" he="26" wi="83" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>and short chain esterimide units being represented by the formula
<Chemistry id="chema02" num="0002"><Image id="ia02" he="27" wi="83" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>where G is a divalent radical remaining after the removal of terminal hydroxyl groups from a poly(alkylene oxide) glycol having a number average molecular weight of about 400-4000; D is a divalent radical remaining after the removal of hydroxyl groups from a diol having a molecular weight less than about 300 and Q is a divalent radical remaining after removal of amino groups from an aliphatic primary diamine having a molecular weight less than 350; with the provisos that from about 0.5 to 5 of said short chain esterimide units are present for each of said long chain esterimide units and that said polyetheresterimide has a softening point of at least 160°C.