C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/672 (2006.01) C08G 63/685 (2006.01) C08G 73/16 (2006.01)
Patent
CA 2120126
2120126 9307196 PCTABS00021 A thermoplastic, segmented, linear copolyetherester elastomer with soft segments derived from poly(alkylene oxide) glycol and hard segments of poly(1,2-ethylene terephthalate) or poly(1,4-butyleneterephthalate) contains very small amounts of certain bifunctional units. Preferred units are derived from trans-1,4-cyclohexylene-bis-(N-trimellitimide) and p-phenylene-bis-(N-trimellitimide). Fibers of the elastomer have non-tacky characteristics and improved elastic properties.
E.i. Du Pont de Nemours And Company
Sim & Mcburney
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