Radiation curable adhesive composition for photovoltaic backsheets

The invention relates to a radiation curable adhesive system for use in bonding a high thermal deformation temperature layer to a UV opaque, pigmented or non-pigmented fluoropolymer film. The radiation curable adhesive system uses an adhesive composition optimized for cure using long wavelength UV e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	O'BRIEN GREGORY S, LEFEBVRE AMY A, OLIVER JOSHUA M, KENSICKI ROBERT L
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a radiation curable adhesive system for use in bonding a high thermal deformation temperature layer to a UV opaque, pigmented or non-pigmented fluoropolymer film. The radiation curable adhesive system uses an adhesive composition optimized for cure using long wavelength UV energy. The adhesive system may also be optimized for curing by LED or e-beam radiation. The system is designed for curing through a UV opaque fluoropolymer film and especially where titanium dioxide is used as the pigment. A preferred multilayer film structure is a polyvinylidene fluoride (PVDF)/ curable adhesive /polyester terephthalate (PET) structure. This film structure is especially useful as a backsheet for a photovoltaic module.