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Aluminum foil for ultraviolet reflecting material and preparation method of aluminum foil

A technology of ultraviolet light and aluminum foil, which is applied in the direction of reflection/signal paint, coating, special surface, etc., and can solve problems such as the decline of the ability to reflect ultraviolet light and the darkening of the color of aluminum foil

Pending Publication Date: 2022-07-05
JIANGSU ZHONGJI LAMINATION MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the above-mentioned technical problems, the object of the present invention is to provide an aluminum foil for ultraviolet reflective material and a preparation method thereof: by using benzoyl peroxide as an initiator, methyl methacrylate, hydroxyethyl acrylate, acrylic acid, Butyl acrylate and stabilizer are polymerized monomers for solution polymerization, then add deionized water and curing agent to dilute, stir evenly and let stand to obtain a stable solution, and apply the stabilized solution on the surface of aluminum foil to solidify into a film to form a reflection stable Coating, to obtain the aluminum foil for ultraviolet reflection material, which solves the problem that the existing aluminum foil itself is easily oxidized and causes the color to become dark, which eventually leads to a significant decline in the ability to reflect ultraviolet rays

Method used

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  • Aluminum foil for ultraviolet reflecting material and preparation method of aluminum foil

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Embodiment 1

[0039] The present embodiment is a preparation method of a stabilizer, comprising the following steps:

[0040] A1: Add 20.0g of paraformaldehyde and 1000mL of glacial acetic acid into a three-necked flask equipped with a stirrer, an air pipe and a reflux condenser, and feed hydrogen chloride while stirring at a temperature of 25°C and a stirring rate of 300r / min. gas for 30min, then add 100mL of 2,6-di-tert-butylphenol solution to form 2,6-di-tert-butylphenol solution formed by dissolving 2,6-di-tert-butylphenol in 20mL of glacial acetic acid according to 0.1mol, and then continue to pass Add hydrogen chloride gas for 40min, after the reaction is completed, the reaction product is allowed to stand for liquid separation, the organic phase is added to benzene, and then washed 2 times with saturated sodium chloride, saturated sodium bicarbonate solution and 8% sodium bicarbonate solution in mass fraction, Then stand for layering, the organic phase is dried with anhydrous magnesi...

Embodiment 2

[0045] The present embodiment is a preparation method of a stabilizer, comprising the following steps:

[0046] A1: Add 20.0g of paraformaldehyde and 1000mL of glacial acetic acid to a three-necked flask equipped with a stirrer, an air pipe and a reflux condenser, and feed hydrogen chloride while stirring at a temperature of 28°C and a stirring rate of 350r / min. Gas for 35min, then add 100mL of 2,6-di-tert-butylphenol solution to form 2,6-di-tert-butylphenol solution formed by dissolving 2,6-di-tert-butylphenol in 20mL of glacial acetic acid according to 0.1mol, and then continue to pass Into hydrogen chloride gas for 45min, after the reaction is completed, the reaction product is allowed to stand for liquid separation, the organic phase is added to benzene, and then washed 2 times with saturated sodium chloride, saturated sodium bicarbonate solution and a 9% sodium bicarbonate solution in mass fraction, Then stand for layering, the organic phase is dried with anhydrous magnes...

Embodiment 3

[0051] The present embodiment is a preparation method of a stabilizer, comprising the following steps:

[0052] A1: Add 20.0g of paraformaldehyde and 1000mL of glacial acetic acid into a three-necked flask equipped with a stirrer, an air pipe and a reflux condenser, and feed hydrogen chloride while stirring at a temperature of 30°C and a stirring rate of 400r / min. Gas for 40min, then add 100mL of 2,6-di-tert-butylphenol solution to form 2,6-di-tert-butylphenol solution formed by dissolving 2,6-di-tert-butylphenol in 20mL of glacial acetic acid according to 0.1mol, and then continue to pass Into hydrogen chloride gas for 50min, after the reaction is completed, the reaction product is allowed to stand for liquid separation, the organic phase is added to benzene, and then washed 3 times with saturated sodium chloride, saturated sodium bicarbonate solution and a 10% sodium bicarbonate solution in mass fraction, Then stand for layering, the organic phase is dried with anhydrous mag...

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Abstract

The invention relates to the field of aluminum foil materials, in particular to an aluminum foil for an ultraviolet reflecting material and a preparation method of the aluminum foil, and aims to solve the problems that the existing aluminum foil is easy to oxidize, so that the color is darkened, and finally the ultraviolet reflecting capacity is greatly reduced. According to the preparation method, a transparent reflection stable coating is formed on the surface of the aluminum foil through curing, so that the aluminum foil is prevented from being oxidized while the ultraviolet reflection capability of the aluminum foil is ensured, the service life of the aluminum foil is effectively prolonged, the long-acting reflection capability of the aluminum foil is improved, and the service life of the aluminum foil is prolonged. By adding the stabilizer, the stability of the reflection stabilizing coating can be improved, the situation that the reflection stabilizing coating is irradiated by ultraviolet rays for a long time to cause performance reduction and even damage is avoided, the ultraviolet ray reflection capacity of the aluminum foil is indirectly limited, the service life of the aluminum foil is further prolonged, and the ultraviolet sterilization cost is reduced.

Description

technical field [0001] The invention relates to the field of aluminum foil materials, in particular to an aluminum foil for ultraviolet reflective materials and a preparation method thereof. Background technique [0002] Although there are various apparatuses using ultraviolet rays, among them, as apparatuses for killing bacteria and the like, an ultraviolet sterilization apparatus including a deep ultraviolet lamp utilizing the sterilization effect of ultraviolet rays is known. Since the ultraviolet rays irradiated from the deep ultraviolet lamp spread radially, in order to increase the sterilization effect of the ultraviolet rays on a specific sterilization object, the ultraviolet rays irradiated from the deep ultraviolet lamp are preferentially concentrated around the sterilization object, as the wavelength range 250 The material with high reflectivity of ultraviolet rays of -400nm, aluminum foil is the only one that can be used. Aluminum foil can concentrate the ultravio...

Claims

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Application Information

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IPC IPC(8): B05D5/06B05D7/14B05D7/24C09D133/12C09D5/33C08F220/14C08F220/20C08F220/06C08F220/18C08F220/36C22C21/00
CPCB05D5/063B05D7/14B05D7/24C09D133/066C09D5/004C08F220/14C22C21/00B05D2202/25C08F220/20C08F220/06C08F220/1804C08F220/36Y02E10/52
Inventor 崔广健周腾张上玲
Owner JIANGSU ZHONGJI LAMINATION MATERIALS
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