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In this section, you can access to the latest technical information related to the FUTURE project topic.
FIBER-REINFORCED RIGID POLYURETHANE FOAM COMPOSITE RAILWAY SLEEPER WITH HIGH FIBER CONTENT AND MANUFACTURING METHOD THEREOF
A fiber-reinforced rigid polyurethane foam composite railway sleeper with high fiber content and a manufacturing method thereof. The railway sleeper is formed by bonding a plurality of fiber-reinforced rigid polyurethane foam composite boards with high fiber content by a binder, and the outer surface of the railway sleeper is provided with an anticorrosive paint film. The fiber-reinforced rigid polyurethane foam composite boards with high fiber content include a polyurethane resin as a matrix material and a fiber as a reinforcing material. The problem of insufficient impregnation of the polyurethane and the fiber is solved by using a plurality of technical means such as using a mixed polyether polyol having a low hydroxyl value and a low functionality, using a coupling agent, etc., thus a fiber-reinforced rigid polyurethane foam composite product having a density higher than 840 kg/m3 and a fiber content greater than 60% is manufactured.
» Number: US2019185610A1 (A1)
» Publication Date: 20/06/2019
» Applicant: RAILWAY ENGINEERING RES INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED?[CN]; CHINA ACADEMY OF RAILWAY SCIENCES COPORATION LTD?[CN]
» Inventor: NIU BIN?[CN]; ZENG ZHIBIN?[CN] (2)
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