CPC D21F 3/0236 (2013.01) [C08G 18/3221 (2013.01); D21F 7/083 (2013.01); C08G 18/10 (2013.01)] | 19 Claims |
1. A papermaking device configured for use in a papermaking machine, the device comprising:
a resin layer comprising a polyurethane resin,
wherein the polyurethane resin is obtained by reacting a urethane prepolymer comprising an isocyanate group with a curing agent comprising an active hydrogen group,
wherein the urethane prepolymer is obtained by reacting a polyisocyanate compound comprising 2,4-tolylene-diisocyanate and/or 2,6-tolylene-diisocyanate with a polyol compound comprising a polyether polycarbonate diol, and
wherein the polyether polycarbonate diol comprises a unit A of formula (1)
![]() R1 being a bivalent group derived from a polyether polyol, and
wherein the polyether polycarbonate diol is used as a polyol compound together with the 2,4-tolylene-diisocyanate and/or 2,6-tolylene-diisocyanate for the urethane prepolymer to make the polyurethane resin.
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