STYRENIC RESIN EXTRUSION FOAMED BODY AND MANUFACTURING METHOD THEREOF

To provide a polystyrenic resin extrusion foamed body low in density while having extremely high heat insulation performance (heat conductivity of 0.0215 W/mK or less), satisfying combustion property defined in JIS A 9521, high in oxygen index and excellent in moldability.SOLUTION: Hydrofluoroolefin...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	WAKABAYASHI MASAYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	To provide a polystyrenic resin extrusion foamed body low in density while having extremely high heat insulation performance (heat conductivity of 0.0215 W/mK or less), satisfying combustion property defined in JIS A 9521, high in oxygen index and excellent in moldability.SOLUTION: Hydrofluoroolefin, hydrochlorofluoroolefin and alkyl chloride are used at a specific ratio as foaming agents.SELECTED DRAWING: None 【課題】きわめて高い断熱性能（熱伝導率が０．０２１５Ｗ／ｍＫ以下）を有しながら、密度が低く、ＪＩＳＡ９５２１に定める燃焼性を満足し、酸素指数も高く、成形性に優れたポリスチレン系樹脂押出発泡体を提供すること。【解決手段】発泡剤として、ハイドロフルオロオレフィン、ハイドロクロロフルオロオレフィンおよび塩化アルキルを特定の割合で使用する。【選択図】なし