BIAXIALLY ORIENTED, UV-STABILIZED, SINGLE OR MULTI-LAYER POLYESTER FILMS COMPRISING SILICON DIOXIDE PARTICLES AS LIGHT DIFFUSION PARTICLES AND A UV STABILIZER, AND METHOD FOR THEIR PREPARATION AND THEIR USE IN GREENHOUSE SHADOW MATS

The invention relates to biaxially oriented, UV-stabilized polyester films incorporating silicon dioxide particles as light-scattering particles and a UV stabilizer; a process for producing the same and to use thereof in greenhouse blinds. The invention particularly relates to single- or multilayer...

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Bibliographische Detailangaben
Hauptverfasser:	Kliesch, Holger, Lohre, Claudia, Bork, Andreas, Ünker, Yavuz
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AGRICULTURE ANIMAL HUSBANDRY CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED FISHING FORESTRY HORTICULTURE HUMAN NECESSITIES HUNTING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING TRAPPING WATERING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to biaxially oriented, UV-stabilized polyester films incorporating silicon dioxide particles as light-scattering particles and a UV stabilizer; a process for producing the same and to use thereof in greenhouse blinds. The invention particularly relates to single- or multilayer polyester film with transparency from 70 to 92 %, where:the film includes at least 1.0% by weight to at most 2.5% by weight of SiO2, with the d50 value of these SiO2 particles ranging from 3 to 9 μm,the SV value of the film is at least 700,the scattering factor SF of the film is at least 2 and not more than 8,the haze of the film is from 60 to 95%, andthe clarity of the film is from 15 to 40%; andall of the external layers comprise at least 0.3 % by weight of an organic UV stabilizer.