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Light scattering inorganic microsphere used for crop plastic shed film and preparation method

A light scattering, plastic shed technology, applied in application, agriculture, plant protection cover, etc., can solve problems such as uneven heating, and achieve the effect of ensuring light transmittance and excellent dispersion

Active Publication Date: 2018-03-06
山东隆昌新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the defects of non-uniform heating and light reflection of the existing shed film under direct sunlight, the first purpose of the present invention is to provide a light-scattering inorganic microsphere for plastic shed film of crops, which is used for plastic shed film of crops The light-scattering inorganic microspheres under the condition of ensuring the light transmittance of the film, the light and heat of the scattered light irradiate the shed in a stable and uniform form, which is conducive to the uniform growth of crops

Method used

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  • Light scattering inorganic microsphere used for crop plastic shed film and preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0029] (1) Grinding 11Kg of glass in a glass pulverizer to obtain 50-mesh glass fine powder, and then spraying the glass fine powder with a flame in a spheroidizing furnace to form spherical glass beads; (2) Mixing 10Kg of mica powder, 5Kg of concentration 5 Moles per liter of dilute sulfuric acid and 10Kg spherical glass microspheres are mixed, heated to 40 degrees Celsius and then added to the jet machine, accelerated by the jet machine, so that the mica layer is peeled off, and the spherical glass microspheres form surface defect micropores, and the mica peeled layer is in the micropores Inlaid at the defect; (3) Filter and dry the product accelerated by the jet machine in step (2), and irradiate the laser beam for 3 hours to weld the mica on the surface of the peeled micro-beads, and then grind the edges and corners with a sand mill to obtain a spherical The core is glass microspheres, and the surface is light-scattering inorganic microspheres of layered mica.

[0030] Tak...

Embodiment 2

[0032] (1) Pulverize 12Kg glass in a glass crusher to obtain 60-mesh glass fine powder, and then spray the glass fine powder with a flame in a spheroidizing furnace to form spherical glass beads; (2) Mix 9Kg mica powder, 5Kg concentration 5 Mole per liter of dilute sulfuric acid and 11Kg spherical glass microspheres are mixed, heated to 45 degrees Celsius and then added to the jet machine, accelerated by the jet machine, so that the mica layer is peeled off, and the spherical glass microspheres form surface defect micropores, and the mica peeled layer is in the micropores Inlaid at the defect; (3) Filter and dry the product accelerated by the jet machine in step (2), and irradiate the laser beam for 3 hours to weld the mica on the surface of the peeled micro-beads, and then grind the edges and corners with a sand mill to obtain a spherical The core is glass microspheres, and the surface is light-scattering inorganic microspheres of layered mica.

[0033] Take the prepared sphe...

Embodiment 3

[0035] (1) Grinding 13Kg of glass in a glass pulverizer to obtain 50-mesh glass fine powder, and then spraying the glass fine powder with a flame in a spheroidizing furnace to form spherical glass beads; (2) Mixing 8Kg of mica powder, 4Kg of concentration 8 Mole per liter of dilute sulfuric acid and 12Kg spherical glass microspheres are mixed, heated to 50 degrees Celsius, then added to the jet machine, accelerated by the jet machine, so that the mica layer is peeled off, and the spherical glass microspheres form surface defect micropores, and the mica peeled layer is in the micropores Inlaid at the defect; (3) filter and dry the product accelerated by the jet machine in step (2), irradiate the laser beam for 4 hours, so that the mica is welded on the surface of the peeled micro-beads, and then grind the edges and corners with a sand mill to obtain a spherical The core is glass microspheres, and the surface is light-scattering inorganic microspheres of layered mica.

[0036] T...

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Abstract

The invention relates to the field of plastic film light scattering materials, and specifically relates to a light scattering inorganic microsphere used for a crop plastic shed film and a preparationmethod. The light scattering inorganic microsphere used for the crop plastic shed film is prepared and obtained by the method comprising the following steps: after grinding glass to form a glass finepowder, blowing the glass fine powder with a flame in a spheroidizing furnace to form spherical glass beads; mixing and adding a mica powder, an acid liquor and the spherical glass beads into a jet machine, accelerating through the jet machine so that a mica layer is stripped, forming surface defect micropores in the spherical glass beads, and embedding the stripped mica layer at the defect positions of the micropores; then filtering and drying, and welding mica to the surfaces of the stripped beads through further irradiation of a laser beam, using a sand mill to grind and remove corner angles so as to form the light scattering inorganic microsphere provided with a spherical core which is the glass bead and layered mica on the surface. The prepared and obtained inorganic microsphere has excellent dispersibility in the plastic shed film.

Description

technical field [0001] The invention relates to the field of light-scattering materials for plastic films, in particular to light-scattering inorganic microspheres used for crop plastic shed films and a preparation method. Background technique [0002] The application of inorganic mineral powders as fillers in papermaking and plastics has been very mature. If used in plastic pipes, sheets, films, hollow and injection molding products, it can improve the tensile strength, ring stiffness, flexibility, shrinkage, flame retardancy, heat resistance and barrier properties of plastic products. [0003] Mica can improve the optical properties of plastics, and mica chips have the functions of reflecting, scattering infrared rays, absorbing and shielding ultraviolet rays. Adding mica powder to the agricultural film can block the loss of infrared light to the outside, and can also scatter ultraviolet light to improve the thermal insulation effect of greenhouses and plastic films. Due...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08K7/20C08K5/12C08K5/57C08J5/18A01G13/02
CPCA01G9/1438C03C12/00C03C23/00C08J5/18C08J2327/06C08K5/12C08K5/57C08K7/20
Inventor 陈庆曾军堂
Owner 山东隆昌新材料科技股份有限公司
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