A kind of preparation method of self-curing glass surface anti-reflection film
A technology of glass surface and anti-reflection film, applied in the coating and other directions, can solve the problems of film cracks, high templating agent cost, increase production cost and other problems, and achieve the effects of short cycle, simple preparation process and high light transmittance
Active Publication Date: 2017-02-01
CHANGZHOU UNIV
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Problems solved by technology
[0006] The technical problem to be solved by the present invention is: in the prior art, in the method adopted to enhance the mechanical strength of the anti-reflection film, high-temperature calcination will increase the production cost, and easily lead to other structural defects such as cracks in the film; The problem of high cost
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[0014] The following table has listed a series of embodiments of the present invention and test result: (the ratio involved in the table is mol ratio)
[0015]
[0016] Illustrate the method of the present invention with embodiment eight:
[0017] In a dry 100ml beaker, 20ml ethanol and 0.0322g silicon phosphate were mixed and stirred for half an hour, and then 10g of commercialized hydrosol produced by Sigma-Aldrich (Shanghai) Trading Co., Ltd. was added to the mixed solution as the silicon source (hydrosol In this method, the particle size of silica is about 20nm, and the weight percentage of silica is 50%), magnetic stirring is carried out at room temperature (25°C) for 30 minutes, and the prepared sol is obtained after aging at room temperature (25°C) for 30 minutes.
[0018] Put a 20mm×100mm glass substrate (light transmittance 91%) in turn into hydrochloric acid (37% solute mass fraction): hydrogen peroxide (30% solute mass fraction): deionized water = 1:1:5 (volume ...
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Abstract
The invention belongs to the preparation field of optical materials and in particular relates to a preparation method of a self-curing antireflection coating on glass surface. Hydrosol used as a silicone source, silicone phosphate used as a curing agent and ethyl alcohol used as a solvent are mixed for a certain time period in ratio, and the antireflection coating is prepared on a glass substrate by a dip coating method after ageing, wherein the highest light transmittance of the antireflection coating can reach 98.7%, and the maximum hardness of the antireflection coating can reach 5H. The sol prepared by the method has the self-curing characteristic, high-temperature calcinations is not required, the preparation process is simple, the time is short, the cost is low, no environment pollution is caused and the method has wide application prospect.
Description
technical field [0001] The invention belongs to the field of optical material preparation, in particular to a method for preparing an anti-reflection film on the surface of self-curing glass. Background technique [0002] Anti-reflection coating, also known as anti-reflection coating, is often applied to optical devices to meet the optical requirements of the device. Due to the wide range of application fields of anti-reflection film, there are many types, such as single-layer YF3 anti-reflection film with relatively simple composition, single-layer and multi-layer SiO 2 Anti-reflection film; multi-layer SiN anti-reflection film used in flat panel displays, etc. In 1984, Burggraaf first used the sol-gel method to prepare SiO 2 thin film, thereafter SiO 2 The sol-gel preparation technology of thin films and even other inorganic thin films has attracted widespread attention. In 1999, Per Nostell in Sweden will synthesize 50nm SiO 2 The sol is prepared into an anti-reflect...
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IPC IPC(8): C03C17/23
CPCC03C17/23C03C2217/213C03C2217/73C03C2218/113C03C2218/32
Inventor 陈若愚吴坚王红宁钟璟刘小华
Owner CHANGZHOU UNIV