D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 3/02 (2006.01) C08G 18/00 (2006.01) C08G 18/48 (2006.01) C08G 18/76 (2006.01) D21G 1/00 (2006.01) D21H 25/00 (2006.01)
Patent
CA 2747183
The invention relates to a shoe press belt comprising polyurethane polymer prepared of a urethane prepolymer containing isocyanate groups and a blend of chain extenders, the urethane prepolymer being prepared using 1,4-phenylene-diisocyanate (PPDI) and the blend of chain extenders comprising methyl-bis(3-chloro-2,6- diethyl-aniline) (MCDEA).
L'invention concerne une courroie de presse à sabot qui comprend un polymère polyuréthane préparé à partir d'un prépolymère uréthane contenant des groupes isocyanate et un mélange d'allongeurs de chaîne, le prépolymère uréthane étant préparé au moyen d'un 1,4-phenyIene-diisocyanate (PPDI), le mélange d'allongeurs de chaîne comprenant un methyl-bis(3-chloro-2,6-diethyl- aniline) (MCDEA).
Hagfors Satu
Ojanen Marja
Riihioja Vesa-Matti
Metso Fabrics Inc.
Ridout & Maybee Llp
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