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Refractive index of 1.67 blue light level protective resin lens and preparation method thereof

A resin lens, refractive index technology, applied in the field of optical lenses, can solve the problems of aggravating chromatic aberration and visual blur, increasing the distance of light chromatic aberration, strengthening the blood supply to the eyes, etc., to achieve excellent adhesion, reduce tingling and soreness, The effect of preventing cataract and macular degeneration

Inactive Publication Date: 2017-01-04
江苏硕延光学眼镜有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

(2) After the blue light enters the fundus and is focused, the focal point does not fall on the retina, but falls between the retina and the lens, which increases the chromatic aberration distance of the light focusing in the eye, and the distance between the focal points in the eye It is the main cause of blurred vision, so the injection of blue light will exacerbate chromatic aberration and visual blurring, and then the eye muscles will be overly tense, the blood supply to the eyes will be overly tense, and the blood supply to the eyes will be strengthened, which will aggravate fatigue

Method used

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  • Refractive index of 1.67 blue light level protective resin lens and preparation method thereof
  • Refractive index of 1.67 blue light level protective resin lens and preparation method thereof
  • Refractive index of 1.67 blue light level protective resin lens and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0025] The blue-light grade protective resin lens described in the present embodiment, its resin substrate is made of 560 parts by weight of p-xylene diisocyanate MR-7A, 440 parts by weight of 2,3-bis((2-mercaptoethyl)sulfanyl)-1 - propanethiol MR-7B, 0.4 parts by weight dimethyl tin dilauryl mercaptide, 3 parts by weight UV-366, 5 parts by weight UV-329 and 2 parts by weight triphenyl phosphite; its preparation The process includes batching, filling, primary curing, substrate treatment, secondary curing and substrate cleaning:

[0026] 1. Ingredients

[0027] 1.1 Weighing of raw materials: p-xylene diisocyanate MR-7A: 560 parts by weight, 2,3-bis((2-mercaptoethyl)thio)-1-propanethiol MR-7B: 440 parts by weight, dimethyl Base tin dilauryl mercaptide: 0.4 parts by weight, UV-329: 5 parts by weight, UV-366: 3 parts by weight, triphenyl phosphite: 2 parts by weight;

[0028] 1.2 Mixing and stirring: add the above-mentioned accurately weighed various raw materials into the stirr...

Embodiment 2

[0059] The blue-light grade protective resin lens described in this embodiment, its resin substrate is made of p-xylene diisocyanate MR-7A-560 parts by weight, 2,3-bis((2-mercaptoethyl)sulfanyl)-1-propane Mercaptan MR-7B: 440 parts by weight, dimethyl tin dilauryl mercaptide: 0.4 parts by weight, 3 parts by weight dihydroxyethylglycine, 22 parts by weight diethylene glycol diacrylate, UV-329: 5 Parts by weight, UV-366: 3 parts by weight, triphenyl phosphite: 2 parts by weight; its preparation process includes steps such as batching, filling, primary curing, substrate treatment, secondary curing and substrate cleaning:

[0060] 1. Ingredients

[0061] 1.1 Weighing of raw materials: p-xylene diisocyanate MR-7A: 560 parts by weight, 2,3-bis((2-mercaptoethyl)thio)-1-propanethiol MR-7B: 440 parts by weight, dimethyl Base tin dilauryl mercaptide: 0.4 parts by weight, dihydroxyethylglycine: 3 parts by weight, diethylene glycol diacrylate: 22 parts by weight, UV-329: 5 parts by weigh...

Embodiment 3

[0093]Compared with Example 1, the difference is only in the third SiO 2 A waterproof film layer is deposited on the film layer, and the water vapor transmission rate is lower than 3×10 under the conditions of 25°C and 90% R.H. -4 gm -3 the day -1 ; wherein the waterproof film layer is prepared by PECVD method, wherein the deposition temperature is 100 ~ 120 ° C, with 0.50Wcm -2 The power is applied to the plasma, the working pressure is 200-250Pa, the flow rate of silane is 100sccm, the flow rate of methane is 20sccm, the flow rate of ammonia is 300sccm, the flow rate of nitrogen is 2000sccm, the flow rate of hydrogen is 5000sccm, and the thickness of the waterproof film layer is 1.5~3.5μm. The waterproof film layer has extremely excellent waterproof performance, which can ensure that the resin lens of the present invention maintains a blue light filtering rate of 45-50% within 3-5 years.

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Abstract

The invention relates to a blue-ray-level protective resin lens with the refraction index of 1.67. The blue-ray-level protective resin lens with the refraction index of 1.67 comprises a resin substrate with the refraction index of 1.67; the resin substrate is dip-coated with a hardened film; a first SiO2 film, a ZrO2 film, a second SiO2 film, a Ti2O3 film, an In2O3 film and a third SiO2 film are deposited on the surface of the hardened film in sequence. According to the resin lens disclosed by the invention, the effect of filtering blue rays with the wavelength of 400 to 500 nm can reach 45 to 50 percent; blue ray radiation can be filtered effectively; sharp pain, soreness and swelling of eyes can be reduced; eye dryness and eye fatigue can be reduced; cataract and macular degeneration can be prevented.

Description

technical field [0001] The invention relates to the technical field of optical lenses, more specifically, the invention relates to a method for preparing and coating a high-refractive index resin lens, and the prepared resin lens has excellent anti-blue light performance. Background technique [0002] The damage of ultraviolet rays to the eyes and the body is known to the world, and a variety of anti-ultraviolet spectacle lenses have also been developed in the prior art and have been widely used. In comparison, blue light damage has only been known to the world in recent years. According to data from the Ophthalmology Branch of the Chinese Medical Association, among the 420 million Internet users in China, 63.5% of them suffer from vision loss, cataracts, and blindness due to blue light radiation. The World Health Organization (WHO) announced that from 2006 to 2008, more than 30,000 people around the world were blinded by blue light radiation every year. [0003] Blue ligh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02C7/10G02B1/10G02B1/14B32B9/04B32B27/06
Inventor 赵勤
Owner 江苏硕延光学眼镜有限公司
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