A kind of diffuse agricultural film

Abstract

The invention provides a diffusion agricultural film which is prepared by uniformly mixing a diffusion parent material with matrix resin and subsequently performing blow molding; and LDPE (Low-Density Polyethylene) is taken as the matrix resin. The diffusion agricultural film is characterized in that the diffusion parent material comprises at least one of zinc oxide or magnesium oxide; both the zinc oxide and the magnesium oxide are greatly different from refractive index of the matrix resin LDPE and take a shielding effect on infrared light. The prepared diffusion agricultural film has functions of achieving irradiation uniformity of light in a greenhouse and reducing the shaded area caused by direct irradiation of the light and the damage to the crops; and meanwhile, the zinc oxide and the magnesium oxide take a good shielding effect the on infrared light, so that the agricultural film has good heat insulation property. Compared with the conventional agricultural film, the temperature in the greenhouse is increased by 2-3 DEG C, so that the greenhouse effect is achieved to a certain extent, thus the effect of increasing the yield of the crops can be achieved.

Description

technical field [0001] The invention relates to a formulation of an agricultural film, in particular to an agricultural film that can irradiate crops in the form of scattering or diffusion after light passes through the film. Background technique [0002] The traditional transparent agricultural film mainly passes through direct sunlight, and the crops on the back side cannot receive sunlight and realize photosynthesis. Moreover, the upper part of the crop itself will also block the lower part, resulting in uneven sunlight irradiation on the crops, some of which are receiving sunlight, and the other part cannot perform photosynthesis due to the emergence of shadows. In summer, the crops under direct sunlight will have local high temperature, which will cause the semipermeability loss of plant cells and biofilm, the passivation and deformation of proteins, and in severe cases, it can cause the death of plants. The traditional agricultural film can hardly improve the uneven g...

AI Technical Summary

Problems solved by technology

This method produces astigmatism agricultural film, which needs to upgrade the existing equipment, and because the matrix material of the agricultural film is PE, which is very thin and soft, it is very easy to cause damage to the concave and convex parts of the astigmatism formed by rolling during use.

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