Polyvinylidene fluoride composite with polyester nonwoven fabric - can be thermo-formed and is useful for prodn. of chemical appts

Polyvinylidene fluoride (PVDF) moulding has a web of thermoplastics polyester nonwoven fabric, pref. with a mass/unit area of 100-300g/m2, on (pt. of) its surface, the fabric pref. being bonded homogeneously to the PVDF moulding without intermediate layer. The prod. can be thermoformed to some exten...

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Bibliographische Detailangaben
Hauptverfasser:	SPIELAU,PAUL,.DR, JAESCHKE,HANS, ULB,HORST
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	Polyvinylidene fluoride (PVDF) moulding has a web of thermoplastics polyester nonwoven fabric, pref. with a mass/unit area of 100-300g/m2, on (pt. of) its surface, the fabric pref. being bonded homogeneously to the PVDF moulding without intermediate layer. The prod. can be thermoformed to some extent, e.g. to bubble trays for chemical plant, unlike PVDF with a glass fibre substrate, which must be welded from individual segments. Composites with a relatively thin layer of PVDF can be used, giving a saving in material cost. The interlaminar shear strength (ILSS) is higher than for PVDF-glass fabric composites.