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Photochromic paint, preparation method thereof, photochromic lens and preparation process of photochromic lens

A photochromic and coating technology, used in polyurea/polyurethane coatings, coatings, optics, etc., can solve the problems of prone to rainbow patterns and affecting the optical properties of lenses

Inactive Publication Date: 2017-06-13
杜鹏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the current application of photochromic materials still has great limitations. The refractive index of ordinary photochromic coatings is quite different from that of high-refractive lenses, and rainbow patterns are prone to appear, which affects the optical properties of the lenses.

Method used

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  • Photochromic paint, preparation method thereof, photochromic lens and preparation process of photochromic lens

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A kind of photochromic coating, the component that it contains and the mass parts of each component are as follows:

[0041] Isocyanate compounds: 20 parts;

[0042] Polymercaptan compound: 29 parts;

[0043] Catalyst: 5 parts;

[0044] Leveling agent: 1 part;

[0045] Solvent: 40 parts;

[0046] Color changing powder: 5 parts.

[0047] The isocyanate compound is a blocked 1,6-hexamethylene diisocyanate trimer.

[0048] The polythiol compound is pentaerythritol mercaptopropionate.

[0049] The catalyst is an organotin compound.

[0050] The catalyst is dibutyltin dilaurate.

[0051] The leveling agent is BYK-333; the solvent is toluene.

[0052] The step of the preparation method of photochromic coating contains:

[0053] The materials were prepared according to the parts by mass of each component, and each component was added into a stirring tank for stirring, and the stirring was continued for 60 minutes, and then filtered through a 0.1 micron capsule filter ...

Embodiment 2

[0070]The preparation method of the photochromic coating, the photochromic lens and the preparation process thereof in this embodiment are basically the same as those in Example 1, except that the formula of the photochromic coating is as follows:

[0071] A kind of photochromic coating, the component that it contains and the mass parts of each component are as follows:

[0072] Isocyanate compounds: 25 parts;

[0073] Polymercaptan compound: 15 parts;

[0074] Catalyst: 1 part;

[0075] Leveling agent: 0.1 part;

[0076] Solvent: 30 parts;

[0077] Color changing powder: 1 part.

[0078] The isocyanate compound is a blocked 1,6-hexamethylene diisocyanate trimer. .

[0079] The polythiol compound is pentaerythritol mercaptopropionate.

[0080] The catalyst is an organotin compound.

[0081] The catalyst is dibutyltin dilaurate.

[0082] The leveling agent is BYK-333; the solvent is toluene.

Embodiment 3

[0084] The preparation method of the photochromic coating, the photochromic lens and the preparation process thereof in this embodiment are basically the same as those in Example 1, except that the formula of the photochromic coating is as follows:

[0085] A kind of photochromic coating, the component that it contains and the mass parts of each component are as follows:

[0086] Isocyanate compounds: 20 parts;

[0087] Polymercaptan compound: 25 parts;

[0088] Catalyst: 5 parts;

[0089] Leveling agent: 2 parts;

[0090] Solvent: 50 parts;

[0091] Color changing powder: 10 parts.

[0092] The isocyanate compound is isophorone diisocyanate.

[0093] The polythiol compound is trimethylolpropane tris(3-mercaptopropionate).

[0094] The catalyst is an organotin compound.

[0095] The catalyst is dibutyltin di(dodecylsulfide) or dibutyltin diacetate.

[0096] The leveling agent is BYK-333; the solvent is toluene.

[0097] The photochromic lenses prepared in the above th...

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Abstract

The invention discloses photochromic paint, a preparation method thereof, a photochromic lens and a preparation process of the photochromic lens. The photochromic paint is prepared from components in parts by mass as follows: 20-50 parts of isocyanate compounds, 20-30 parts of polythiol compounds, 1-5 parts of a catalyst, 0.1-2 parts of a leveling agent, 30-50 parts of a solvent and 1-10 parts of color-changing powder. The photochromic paint makes the photochromic lens quickly discolor or change colors, has good oxidation resistance and anti-fatigue performance, has no rainbow grains and provides the lens with a color changing function.

Description

technical field [0001] The invention relates to a photochromic coating and a preparation method thereof, a photochromic lens and a preparation process thereof. Background technique [0002] At present, the photochromic lens itself is a high-tech product integrating multiple functions. It can not only be used as dual-purpose glasses for vision correction and sunshade, but also can be used as protective glasses, fashion glasses, special glasses for car driving, etc. [0003] Photochromic lenses, in the case of sunlight, are black sunglasses that can replace sunglasses. The thick black lenses can block the dazzling light, prevent direct sunlight, and protect the eyes; in rooms with soft light Here, the photochromic lenses become transparent and colorless like ordinary lenses, and play a good role as a bridge in the transition between weak light and strong light. Photochromic lenses can not only darken and brighten with the intensity of light, but also absorb ultraviolet rays ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D7/12G02C7/10C08G18/38
CPCC09D175/04C08G18/3876C09D7/40G02C7/102C08L83/04
Inventor 杜鹏
Owner 杜鹏
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