METHOD FOR PRODUCING POLYURETHANE FOAM

To provide a polyurethane foam that is prevented from being peeled from an end of it and a method for producing a polyurethane foam.SOLUTION: A polyurethane foam is made by spraying, reacting and foaming a foamable polyurethane composition containing a polyol, a foamer, a catalyst, and a polyisocyan...

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Bibliographische Detailangaben
1. Verfasser:	KAJITA MICHIO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a polyurethane foam that is prevented from being peeled from an end of it and a method for producing a polyurethane foam.SOLUTION: A polyurethane foam is made by spraying, reacting and foaming a foamable polyurethane composition containing a polyol, a foamer, a catalyst, and a polyisocyanate. The polyurethane foam has an average thickness of 15 mm or more. In at least one end of it, the thickness at a site of 5 cm from the end is 10 mm or less. There is also provided a method for producing the polyurethane foam.SELECTED DRAWING: None 【課題】末端からの剥離を生じないポリウレタンフォーム及びポリウレタンフォームの製造方法を提供すること。【解決手段】ポリオール、発泡剤、触媒、及びポリイソシアネートを含む発泡性ポリウレタン組成物を、吹き付け、反応かつ発泡させてなるポリウレタンフォームであって、平均厚さが１５ｍｍ以上であり、かつ少なくとも一部の端部において、該端部から５ｃｍの部分の厚さが１０ｍｍ以下であるポリウレタンフォーム、及びその製造方法である。【選択図】なし