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Photochromic eye lens and preparation method thereof

A photochromic, ophthalmic lens technology, applied in glasses/goggles, color-changing fluorescent materials, chemical instruments and methods, etc., can solve problems such as single type

Inactive Publication Date: 2019-05-14
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing color-changing glasses change the color of the entire lens when the ambient light changes, and the type is relatively single

Method used

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  • Photochromic eye lens and preparation method thereof
  • Photochromic eye lens and preparation method thereof
  • Photochromic eye lens and preparation method thereof

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preparation example Construction

[0014] see Figure 1 to Figure 4 , a preferred embodiment of the present invention provides a method for preparing a photochromic ophthalmic lens 100 . Wherein, the photochromic ophthalmic lens 100 may be frame glasses with photochromic function. Described preparation method comprises the steps:

[0015] Step one, see figure 1 , configure a photochromic coating solution 1, the photochromic coating solution 1 includes a photochromic compound-cyclodextrin clathrate, a crosslinking agent and a solvent.

[0016] The photochromic compound-cyclodextrin inclusion compound is a cyclodextrin enveloped with a photochromic compound. Specifically, since the inner cavity of the molecular structure of the cyclodextrin is hydrophobic, it can provide a hydrophobic binding site to envelop the photochromic compound. At the same time, photochromic compounds generally have hydrophobicity, while the outer edge of the molecular structure of cyclodextrin is hydrophilic, so cyclodextrin inclusion...

Embodiment 1

[0037] Prepare 100L of photochromic solution of chroman with a concentration of 0.01mol / L and 100L of cyclodextrin aqueous solution with a concentration of 0.01mol / L, mix the two to form clathrates and separate them from the mixed solution to prepare Obtain a photochromic compound-cyclodextrin inclusion compound; use the photochromic compound-cyclodextrin inclusion compound, methacrylic resin, TMSPMA, AIBN and ethanol solution to configure the photochromic coating solution 1 ( The mass percent of photochromic compound-cyclodextrin clathrate is 11.6%, the mass percent of methacrylic resin is 12.6%, the mass percent of TMSPMA is 3.85%, the mass percent of AIBN is 0.7%, the mass percent of ethanol solution is 71.25%); the ophthalmic lens body 10 is immersed in the photochromic coating solution 1 and heated, the heating temperature is 75 degrees centigrade, and the heating time is 60 minutes, so as to obtain the Photochromic ophthalmic lens 100.

Embodiment 2

[0039] Prepare 100L spiropyran photochromic solution with a concentration of 0.01mol / L and 100L cyclodextrin aqueous solution with a concentration of 0.01mol / L, mix the two to form clathrates and separate them from the mixed solution to obtain photochromic A color-changing compound-cyclodextrin inclusion compound; the photochromic coating solution 1 (photochromic The mass percentage of compound-cyclodextrin inclusion complex is 17.6%, the mass percentage of methacrylic acid resin is 11.3%, the mass percentage of TMSPMA is 4.85%, the mass percentage of Irgacure1173 is 1.2%, and the mass percentage of ethanol solution is 65.05% ); the ophthalmic lens body 10 is immersed in the photochromic coating solution 1 and irradiated with ultraviolet light, the light intensity of the ultraviolet light gradually changes along the extension direction of the ophthalmic lens body 10, and the wavelength of ultraviolet light 365nm, and the ultraviolet irradiation time is 10 minutes, so as to mak...

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Abstract

The invention discloses a photochromic eye lens. The photochromic eye lens comprises an eye lens body; the photochromic eye lens further comprises a photochromic layer formed on the surface of the lens body; and a photochromic compound-cyclodextrin inclusion compound is dispersed in the photochromic layer. The invention further provides a preparation method of the photochromic eye lens.

Description

technical field [0001] The invention relates to the field of ophthalmic lenses, in particular to a photochromic ophthalmic lens and a preparation method of the photochromic ophthalmic lens. Background technique [0002] The color-changing glasses become darker in sunlight and the light transmittance decreases under the irradiation of ultraviolet rays and short-wave visible light, while the color becomes lighter indoors or in dark places, and the light transmittance increases. Therefore, because the color-changing glasses can adjust the light transmittance by changing the color, the human eye can adapt to the change of the ambient light, reduce visual fatigue, and protect the eyes, so they are very popular among consumers. The existing color-changing glasses are that the whole lens changes color when the ambient light changes, and the type is relatively single. Therefore, it is still necessary to provide a color-changing glasses and a preparation method thereof, which can pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02C7/10C09K9/02C09D151/02C09D7/63
Inventor 简秀纹
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD