Papermaking belt and method of manufacturing papermaking belt
AssigneeYamauchi Corporation
InventorsAtsuo Watanabe, Takahisa Hikida, Atsushi Watanabe
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Abstract
A papermaking belt, used for a shoe pressing belt, a calender belt and a sheet transfer belt, is prevented from cracking and inhibited from growth of a crack, and comprises a reinforcing substrate (6) embedded in a thermosetting polyurethane layer (7) so that the said reinforcing substrate (6) and the said thermosetting polyurethane layer (7) are integrated with each other and the outer peripheral surface and the inner peripheral surface of the belt are formed by polyurethane layers, the polyurethane layer forming the outer peripheral surface is made of a composition containing a urethane prepolymer having isocyanate groups on ends and a hardener containing dimethylthiotoluenediamine.
Claims5
A shoe pressing belt comprising a reinforcing substrate embedded in a thermosetting polyurethane layer and having an outer peripheral surface and an inner peripheral surface formed by said thermosetting polyurethane layer, wherein
- a polyurethane layer forming said outer peripheral surface is made of a composition containing a urethane prepolymer having isocyanate groups on ends and a hardener containing dimethylthiotoluenediamine.
Dependencies are inferred from the claim text.