C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/184
C08G 73/16 (2006.01) C08G 65/32 (2006.01) C08G 81/00 (2006.01)
Patent
CA 1187648
ABSTRACT OF THE DISCLOSURE Thermoplastic elastomeric polyetherester- imides comprising a multiplicity of long chain esterimide units being represented by the formula Image and short chain esterimide units being represented by the formula Image 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 lease l60°C.
412612
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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