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Blue light conversion agricultural film for plating green cucumber and technique for producing the same

A light-transforming agricultural film and blue light technology, applied in the agricultural field, can solve the problems affecting the sunlight transmittance, etc., and achieve the effect of improving compatibility, reducing the amount of addition, and good taste

Inactive Publication Date: 2011-06-29
SHANDONG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the addition of thermal insulation agent, if the dispersibility is not good, will also affect the transmittance of sunlight

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Production of light conversion masterbatch

[0027] Get 50 parts of low-density polyethylene (PE), 50 parts of plasticizer dimethyl phthalate, light stabilizer take tricresyl phosphate, epoxidized soybean oil, octadecane in a weight ratio of 5: 3: 2 25 parts of zinc-based phosphate complexes, 20 parts of barium stearate and zinc stearate complexes with a weight ratio of 1:1 as heat stabilizer, and sorbitol laurate, hard Fatty acid glyceride complex 15 parts, nano blue light conversion agent ML n @R 1 part, add plastic mixer, control the stirring speed, stir at high speed for 20-30 minutes, control the temperature at 140°C-150°C until the resin is in a plasticized state, discharge it, put it into the granulation extruder to granulate, and set the extrusion The temperature of the machine is 130°C. After the masterbatch is cooled, it is cut and sieved, dried and dried, packed in a moisture-proof packaging bag, and the mouth of the bag is heat-sealed for later use.

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Embodiment 2

[0031] (1) Production of light conversion masterbatch

[0032] Get 50 parts of vinyl chloride (PVC), 30 parts of plasticizer dimethyl phthalate, light stabilizer take tricresyl phosphate, epoxidized soybean oil, stearyl phosphoric acid in a weight ratio of 6:3:1 25 parts of zinc complexes, 16 parts of barium stearate and zinc stearate complexes with a weight ratio of 1:1 as heat stabilizer, and sorbitol palmitate and stearin Acid glyceride complex 15 parts, nano blue light conversion agent ML n @R 5 parts, add to the plastic mixer, control the stirring speed, stir at high speed for 20-30 minutes, control the temperature at 120°C-140°C until the resin is in a plasticized state, discharge it, put it into the granulation extruder to granulate, and set the extrusion The temperature of the machine is 120°C-130°C. After the masterbatch is cooled, it is cut and sieved, dried, weighed, packed in a moisture-proof packaging bag, and the mouth of the bag is heat-sealed for later use.

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Abstract

The invention discloses a blue-light-conversion agricultural film applied to planting cucumbers and a preparation method thereof. The light-conversion agricultural film adopts a novel core-shell-structure nanometer blue-light conversion agent R@MLn. The blue-light conversion agent can absorb ultraviolet in the sun light and has double functions of light conversion agent and a heat preservation agent. The production technology comprises the following steps: a light stabilizer, a thermal stabilizer, a dripping agent, a nano blue-light conversion agent and the like and the resin are weighed according to proportion, are added into a plasticator, and stirred in a high speed with the stirring speed being controlled; the temperature is controlled till the resin taking the shape of plasticized state; the mixture is discharged and put into a granulation extruder for granulation; and then various types of resins and master batch are weighed accurately, according to the requirement of a technological formula, put into a stirrer for stirring, added into an extruder to be extruded, and carry out coiling, coil stripping and packaging finally.

Description

technical field [0001] The invention belongs to the field of agricultural technology, and relates to a blue light-conversion agricultural film for cucumber planting and a production process thereof. Background technique [0002] Cucumber is a vegetable that is often grown in warm winter greenhouses. However, after the peak harvest period, the leaves begin to age and wither, the photosynthetic ability decreases, and the nutrients stored in the plant are insufficient. Therefore, at the later stage of harvesting, the yield of fruit is reduced, and it will turn yellow prematurely, and a large number of poor quality or even "deformed" cucumbers will appear. This phenomenon is called "ripe fatigue" or "ripe aging", which seriously reduces the quality of cucumbers. The output and quality of the product affect its sales price. Studies have found that appropriately increasing the amount of blue light exposure will help eliminate this phenomenon. The blue light in sunlight is helpfu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L27/06C08L31/04C08K13/06C08K9/10C08J3/22B29C55/28A01G9/14B29L7/00
CPCY02A40/25
Inventor 唐波宋修华尚树川崔官伟王茂龙石锡峰董玉明张国英
Owner SHANDONG NORMAL UNIV
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