Title:
シュープレスベルトおよびシュープレスベルトの製造方法
Document Type and Number:
Japanese Patent JP7290129
Kind Code:
B2
Abstract:
The object of the invention is to provide a shoe press belt which has an excellent strength while the variation in strength among its parts being suppressed, and to provide a method for producing such a shoe press belt.Provided is a shoe press belt for use in a papermaking machine comprising at least one resin layer, wherein the resin layer comprises a polyurethane resin formed by curing an urethane prepolymer having an isocyanate group with a curing agent having an active hydrogen group; the urethane prepolymer is obtained by reacting a polyisocyanate compound comprising 4,4'-methylene bis(phenylisocyanate) with a polyol compound comprising polytetramethylene ether glycol; and the curing agent comprises (a) polycarbonate diol(s).
More Like This:
Inventors:
Yuya Takamori
Manami Morinaga
Manami Morinaga
Application Number:
JP2020033894A
Publication Date:
June 13, 2023
Filing Date:
February 28, 2020
Export Citation:
Assignee:
Ichikawa Co., Ltd.
International Classes:
D21F3/02; C08G18/10
Domestic Patent References:
| JP3201639U | ||||
| JP2158617A | ||||
| JP2009185427A |
Foreign References:
| WO2013122812A1 | ||||
| WO2016190131A1 |
Attorney, Agent or Firm:
Hitoshi Goto
Shigeto Arai
Shigeto Arai
Previous Patent: Shoe press belt and method for manufacturing the shoe press belt
Next Patent: ROLLING METHOD BY MANDREL MILL
Next Patent: ROLLING METHOD BY MANDREL MILL