Agricultural insect-proof film and production process thereof

Abstract

The invention discloses an agricultural insect-proof film and a production process thereof, and the process specifically comprises the following steps: uniformly stirring and kneading 68-80 parts of powdery LDPE, 0.4-0.6 part of a hindered amine light stabilizer, 0.15-0.3 part of an antioxidant, 2-5 parts of a broad-spectrum herbicide, 1.5-2.5 parts of ceramic micro powder and 1-3 parts of titanium dioxide in proportion at a high speed to form raw powder; carryng out hot melting and plasticizing on the prepared raw powder, putting the raw powder into an extruder, extruding and bracing, continuously carrying out drying work in the bracing process, cutting the dried strip-shaped raw materials into granules to form master batch granules, mixing the master batch granules, 6-10 parts of HDPE and 10-15 parts of mPE in stirring equipment, and stirring uniformly to obtain the mixed master batch. According to the agricultural insect-proof film and the production process thereof, the ultraviolet reflectivity is improved, so that the insect-proof effect is greatly improved, the practicability is higher, the processing process is simpler, and the production efficiency of the agricultural film is greatly improved.

Description

technical field [0001] The invention relates to the field of insect-proof films, in particular to an agricultural insect-proof film, and more particularly to an agricultural insect-proof film and a production process thereof. Background technique [0002] Agricultural film is a film that is used for crops when they are planted. It is usually classified into two types according to the method of use. One is a film for a fully covered greenhouse, and the other is a mulch film. The mulch film is to spread the film on top of the soil. Then open holes on the surface of the film for planting, which can play a role in maintaining soil moisture. Agricultural insect-proof film is a kind of mulch film, usually transparent black, and the black one can reflect the ultraviolet light in the sun's rays to the surroundings, which can play a role. to suppress pests; [0003] But the existing agricultural insect-proof film has certain deficiencies and needs to be improved. At first, the exist...

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Problems solved by technology

[0003] But the existing agricultural insect-proof film has certain deficiencies and needs to be improved. At first, the existing insect-proof effect is poor. The change of the color of the film reduces the light transmittance, but the reflectivity of ultraviolet light is poor, which affects its insect-proof effect; secondly, when the existing agricultural insect-proof film is produced, the black masterbatch is mixed with other raw materials at the same time, Then produce the whole black film with uniform color, but because this kind of thin film is used to cover the ground, when planting crops, the black film will block the sunlight from the roots of the crops, resulting in poor photosynthesis of crops, so people usually A two-color film will be prepared by hot-melting the black film and the transparent film, but this type of method requires post-processing, and the welding process requirements are also very strict, resulting in a significant increase in production costs and affecting processing efficiency.

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