Title:
BOUND STOPPER AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2022040709
Kind Code:
A
Abstract:
To provide a bound stopper having high mechanical strength, excellent in durability against fatigue breakdown or settling upon repeatedly receiving a large load, and easily manufactured.SOLUTION: In a bound stopper 10 made of polyurethane foam, the polyurethane foam is obtained from a composition for polyurethane elastomer foam containing at least an isocyanate component and a foaming agent. The isocyanate component consists of a urethane prepolymer having an isocyanate group at its terminal, in which the isocyanate component is obtained from a polyol component containing polytetramethylene ether glycol and diphenylmethane diisocyanate.SELECTED DRAWING: Figure 1
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Inventors:
MAKIHARA NOBUMASA
Application Number:
JP2020145542A
Publication Date:
March 11, 2022
Filing Date:
August 31, 2020
Export Citation:
Assignee:
BASF INOAC POLYURETHANES LTD
International Classes:
F16F9/58; B60G15/06; C08G18/10; C08G18/40; C08G18/42; C08G18/48; C08G18/76; F16F1/36; F16F1/37
Attorney, Agent or Firm:
Yoshio Rikio
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