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Three-layer composite red shed plastic film for fragrant-flowered garlic plantation

A layer composite and shed film technology, which is applied in the field of agricultural shed film, can solve the problems of not being able to maintain the light conversion effect for a long time, crops not being able to fully photosynthesize, and the color decay period being short, so as to achieve enhanced photosynthesis efficiency and good light quality adjustment effect , good synergistic effect

Active Publication Date: 2014-09-24
GANSU TIANBAO PLASTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing red shed film is manufactured by adding inorganic red colorant to the shed film. This red shed film has the following defects: 1. The color decay period is short, and the color will fade after 50-70 days of use, and the light conversion effect cannot be maintained for a long time; 2. 1. The quality of the light is not correct, and the crops cannot fully perform photosynthesis; 3. When the film is blown, the colorant is easy to volatilize; 4. The function is single, prone to fog droplets, short service life, poor heat preservation effect and other problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A three-layer composite red shed film used for leek planting, which is prepared by the following raw material formula and preparation process;

[0028] a) Raw material formula, each component is calculated by weight percentage:

[0029] Outer layer raw material formula: 30% linear low-density polyethylene with a melt flow rate of 0.8-1.0g / 10min, 40% low-density polyethylene with a melt flow rate of 0.3-1.0g / 10min, and a melt flow rate of 0.8 -1.0g / 10min metallocene polyethylene 20%, functional masterbatch 10%;

[0030] Middle layer raw material formula: 40% linear low-density polyethylene with a melt flow rate of 2.0-3.0g / 10min, 40% low-density polyethylene with a melt flow rate of 1.0-2.0g / 10min, and 20% color masterbatch;

[0031] Inner layer raw material formula: 40% linear low-density polyethylene with a melt flow rate of 2.0-3.0g / 10min, 40% low-density polyethylene with a melt flow rate of 1.0-2.0g / 10min, functional masterbatch 20%;

[0032] The color masterbatch formulatio...

Embodiment 2

[0042] A three-layer composite red shed film used for leek planting, which is prepared by the following raw material formula and preparation process;

[0043] a) Raw material formula, each component is calculated by weight percentage:

[0044] Outer layer raw material formula: 40% linear low-density polyethylene with a melt flow rate of 0.8-1.0g / 10min, 30% low-density polyethylene with a melt flow rate of 0.3-1.0g / 10min, and a melt flow rate of 0.8 -1.0g / 10min metallocene polyethylene 21%, functional masterbatch 9%;

[0045] Middle layer raw material formula: 45% linear low-density polyethylene with a melt flow rate of 2.0-3.0g / 10min, 40% low-density polyethylene with a melt flow rate of 1.0-2.0g / 10min, color masterbatch 15%;

[0046] Inner material formulation: 45% linear low-density polyethylene with a melt flow rate of 2.0-3.0g / 10min, 40% low-density polyethylene with a melt flow rate of 1.0-2.0g / 10min, and 15% functional masterbatch;

[0047] The color masterbatch formulation: 35% ...

Embodiment 3

[0057] A three-layer composite red shed film used for leek planting, which is prepared by the following raw material formula and preparation process;

[0058] a) Raw material formula, each component is calculated by weight percentage:

[0059] Outer layer raw material formula: 50% linear low-density polyethylene with a melt flow rate of 0.8-1.0g / 10min, 20% low-density polyethylene with a melt flow rate of 0.3-1.0g / 10min, and a melt flow rate of 0.8 -1.0g / 10min metallocene polyethylene 22%, functional masterbatch 8%;

[0060] Middle layer raw material formula: 50% linear low-density polyethylene with a melt flow rate of 2.0-3.0g / 10min, 40% low-density polyethylene with a melt flow rate of 1.0-2.0g / 10min, color masterbatch 10%;

[0061] Inner layer raw material formula: 50% linear low-density polyethylene with a melt flow rate of 2.0-3.0g / 10min, 40% low-density polyethylene with a melt flow rate of 1.0-2.0g / 10min, functional masterbatch 10%;

[0062] The color masterbatch formulation: 35...

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Abstract

The invention relates to an agricultural shed plastic film, and particularly relates to a three-layer fragrant-flowered garlic. The shed plastic film provided by the invention is of a three-layer composite structure, wherein the outer layer is an anti-aging layer; the inner layer is a dripping fog disposal layer with the functions of dripping, and the middle layer is a light conversion layer formed by mixing resin, nano organic red additives and other functional additives. The agricultural shed plastic film provided by the invention has the advantages of good light quality regulating effect of the light conversion layer, small color attenuation velocity of the light conversion layer, great service life prolongation of the shed plastic film, obvious temperature preservation effect, crop pest disease and pest damage insulation and the like.

Description

technical field [0001] The invention relates to an agricultural shed film, in particular to a three-layer composite red shed film used for planting leeks. Background technique [0002] Colored shed film has not been used in my country's agricultural production for a long time, but from the perspective of use, it has the effects of increasing crop yield, improving crop quality, and reducing plant diseases and insect pests compared with colorless and transparent shed film; red shed film can Increase the temperature in the shed, promote the growth of crops, and provide the red light needed by crops. [0003] The existing red shed film is manufactured by adding inorganic red colorant to the shed film. This kind of red shed film has the following defects: 1. The color decay period is short, and the color will fade after 50-70 days of use, and the light conversion effect cannot be maintained for a long time; 2. 1. The quality of the light is not correct, and the crops cannot fully...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/06B32B27/32C08L23/08C08L23/06C08J3/22
Inventor 王智勤赵建民马小元
Owner GANSU TIANBAO PLASTIC CO LTD
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