Light-converting luminous high-light-energy weather-resistant agricultural film and its manufacturing method

An agricultural film and energy-resistant technology, which is applied in the direction of plant protection covers, can solve problems such as the inability to prolong the light time of crops, and achieve the effects of improving the quality of sunlight, promoting photosynthesis, and prolonging the light time

Inactive Publication Date: 2005-12-21
彭子飞
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Problems solved by technology

However, this kind of agricultural f...

Method used

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Embodiment Construction

[0019] Weigh the raw materials according to the following parts by weight: take 2 parts of strontium aluminate doped with europium and dysprosium of the long-lasting light-changing agent A, and its molecular formula is Sr 4 al 4 o 25 : Eu 2+ , Dy 3+ 2 parts of yttrium oxysulfide doped with europium, magnesium and titanium of long afterglow light-changing agent B, and its molecular formula is Y 2 o 2 S:Mg 2+ , Ti 4+ , Eu 3+ 2 parts of red light-changing agent C tribenzoic acid europium (III) complex ion, its molecular formula is Blue-violet light conversion agent D doped with 1 part of europium zinc sulfide, its molecular formula is ZnS:Eu 2+ ; 3 parts of anti-aging agent E benzophenone; 5 parts of other additives; dispersed in 20 parts of acetone, mixed evenly and dried, added 100 parts of polyethylene, after high-speed stirring, granulated with a twin-screw extruder to obtain Light-changing and luminous agricultural film masterbatch. Take 10 parts of masterbatch an...

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Abstract

The present invention discloses a light-converting night-light high-photoenergy weatherable agricultural film and its preparation method. It is made up by using basic resin and adjuvant. The basic resin can be polychlorovinyl, lower-density polyethylene, linear lower-density polyethylene, ethylene and polyvinylacetate copolymer or their mixture, and the adjuvant includes visible light excited long persistence light-converting agent A and B, in which A is rare earth doped aluminum hydrochloride and B is rare earth doped yttrium cinnabar, said invention provides their molecular formulae. Besides, said invention also provides its preparation method and application.

Description

technical field [0001] The present invention relates to an agricultural plastic film and a manufacturing method of the film, in particular to an agricultural plastic film capable of converting ultraviolet and visible light into light of a specific wavelength required for plant growth and emitting light of a specific wavelength required for plant growth at night. Plastic film and method for its manufacture. Background technique [0002] According to its function and development, agricultural plastic film has roughly experienced the following generations of agricultural film: the first generation of ordinary plastic agricultural film; the second generation of functional plastic agricultural film (including anti-aging, anti-fog, heat preservation, dust-proof, etc.); The third generation of control function plastic agricultural film (including spectrum selection, spectrum conversion, function control, etc.). The third-generation control function plastic agricultural film is a h...

Claims

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Application Information

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IPC IPC(8): A01G13/02
Inventor 彭子飞
Owner 彭子飞
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