Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1992-01-30
1993-05-25
Kight, III, John
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
528272, 528288, 528292, 528307, 528308, 5283086, 528310, 528324, 528326, 528330, 528335, 525425, 525430, 428373, 428395, D02G 300
Patent
active
052138917
ABSTRACT:
Block copolyetheramides, well adopted for conversion into a wide variety of useful thermoplastic elastomer shaped articles, have the formula: ##STR1## in which D is the residue of a diacid oligamide having an Mn ranging from 300 to 3,000 and/or the residue of the diacid chain limiter, PE is the residue of a polyetherdiol having an Mn ranging from 200 to 5,000,.times.is a straight or branched chain (cyclo)aliphatic or aromatic hydrocarbon having from 4 to 20 carbon atoms, n is a number ranging from 1 to 4, and m is an average number ranging from 2 to 50; these are prepared by polycondensing a multiblock polymer having the formula: ##STR2## with a diamine H.sub.2 N--X--NH.sub.2.
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Cuzin Daniel
Maj Philippe
Acquah Sam A.
Elf Atochem S.A.
Kight III John
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