POLYURETHANE INTEGRAL SKIN FOAM AND MANUFACTURING METHOD THEREFOR

PROBLEM TO BE SOLVED: To provide a polyurethane integral skin foam having high impact resilience coefficient in a wide temperature zone and excellent in mechanical strength and productivity and a manufacturing method of the polyurethane integral skin foam.SOLUTION: There is provided a polyurethane i...

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Bibliographic Details
Main Authors ITO HIROYUKI, YOSHII NAOYA, IBE YUSUKE
Format Patent
LanguageEnglish
Japanese
Published 08.12.2016
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Summary:PROBLEM TO BE SOLVED: To provide a polyurethane integral skin foam having high impact resilience coefficient in a wide temperature zone and excellent in mechanical strength and productivity and a manufacturing method of the polyurethane integral skin foam.SOLUTION: There is provided a polyurethane integral skin foam containing at least an organic polyisocyanate composition (A), a polyol component (B), a catalyst (C) and foaming agent (D) as raw materials, where the organic polyisocyanate composition (A) is organic polyisocyanate (a1) having an isocyanate group percentage content of 7 to 25 mass% where diphenylmethane diisocyanate is urethane modified by polytetramethylene ether glycol having a number average molecular weight of 1,000 to 3,500.SELECTED DRAWING: None 【課題】 高反発弾性率を幅広い温度帯域で有し、機械的強度や生産性に優れるポリウレタンインテグラルスキンフォーム、及び当該ポリウレタンインテグラルスキンフォームの製造方法を提供する。【解決手段】 ポリウレタンインテグラルスキンフォームが、少なくとも有機ポリイソシアネート組成物(A)、ポリオール成分(B)、触媒(C)、及び発泡剤(D)を原料とするポリウレタンインテグラルスキンフォームにおいて、有機ポリイソシアネート組成物(A)が、ジフェニルメタンジイソシアネートを数平均分子量1,000〜3,500のポリテトラメチレンエーテルグリコールにてウレタン変性したイソシアネート基含有率7〜25質量%の有機ポリイソシアネート(a1)であることを特徴とする。【選択図】 なし
Bibliography:Application Number: JP20160058313