Title:
インテグラルスキンフォーム用ポリウレタン組成物
Document Type and Number:
Japanese Patent JP5627333
Kind Code:
B2
Abstract:
To provide a raw material composition capable of producing an integral skin foam having high productivity and maintaining the applicability of a plant-derived castor oil and/or castor oil derivative as high as 40 weight % or more in polyol mixture. Provided is a composition for a polyurethane integral skin foam, which is a composition for producing an integral skin foam with a density of 0.2 to 0.8 g/cm3 by a reactive injection molding process from polyisocyanate (A) and a polyol mixture (B) including polyol, a cross-linking agent, a foaming agent, and a catalyst, characterized in that (1) the polyol contains 40 parts by weight or more of castor oil and/or castor oil derivative relative to 100 parts by weight of polyol mixture, and the castor oil derivative has an average number of functional groups of 2.0 to 2.7 and a hydroxyl value of 30 to 170 mg KOH/g, and (2) the catalyst contains both tertiary amine and metal catalyst.
Inventors:
西川 新治
野田 文彦
野田 文彦
Application Number:
JP2010180699A
Publication Date:
November 19, 2014
Filing Date:
August 12, 2010
Export Citation:
Assignee:
住化バイエルウレタン株式会社
International Classes:
C08G18/00; B29C45/00; C08G18/42
Attorney, Agent or Firm:
Mutsumi Sameshima
Yasuo Tamura
Katsutoshi Shinmen
Yasuo Tamura
Katsutoshi Shinmen