Anti-grassland film

The invention provides an anti-grassland film which is a three-layer adhesive film mainly composed of an upper film, a middle film and a lower film, the upper film is made of polyolefin, the upper film contains no more than 50% by weight of inorganic powder or inorganic layered material and no more...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XIE ZONGXIAN, WANG MINGLONG, ZHOU XINHUI, XIE YAMIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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 TRANSPORTING TRAPPING WATERING
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Beschreibung
Zusammenfassung:	The invention provides an anti-grassland film which is a three-layer adhesive film mainly composed of an upper film, a middle film and a lower film, the upper film is made of polyolefin, the upper film contains no more than 50% by weight of inorganic powder or inorganic layered material and no more than 5% by weight of ultraviolet light absorber, the thickness of the upper film is 20-200 microns, and the thickness of the middle film is 20-200 microns. The middle film is made of polyolefin with a mesh structure, the middle film contains no more than 50% by weight of inorganic powder or an inorganic layered material and no more than 5% by weight of an ultraviolet light absorber, the thickness of the middle film is 50-400 microns, the lower film is made of polyolefin, and the thickness of the lower film is 50-400 microns. The lower film contains no more than 50% by weight of inorganic powder or inorganic layered material and no more than 5% by weight of ultraviolet light absorber, the thickness of the lower film