C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
117/123, 154/135
C08G 63/18 (2006.01) C08G 63/16 (2006.01) C08G 63/672 (2006.01) C09J 167/02 (2006.01)
Patent
CA 1191299
Abstract Disclosed are linear, crystalline or partially crystalline copolyesters derived from 100 mole % of a dibasic acid component comprising at least 40 mole % terephthalic acid and up to about 60 mole % of a second dicarboxylic containing 3-12 carbon atoms, and 100 mole a of a glycol component comprising at least 40 mole % 1,4-butanediol and up to about 60 mole % diethylene glycol, the copolyester characterized by having a melting point of about 40-220°C., a glass transition temperature of about -20°C. to about 40°C., a heat of fusion of not less than 1.0 calorie per gram, and a crystalline half time of less than 10 minutes at maximum crystallization temperature. These copoly- esters are especially useful as fusible interlining adhesivesand binder fibers.
420054
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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