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Photochromic lens and manufacturing method thereof

A photochromic, lens technology, applied in optics, optical components, coatings, etc., can solve the problems of short service life, low surface hardness, etc.

Inactive Publication Date: 2017-08-15
JIANGSU MAAT OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, photochromic lenses appearing on the market have performance problems such as short service life and low surface hardness.

Method used

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  • Photochromic lens and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as figure 1 Shown, a kind of photochromic lens, it comprises optical substrate 1, photochromic layer 2 and protective layer 3 successively from bottom to top;

[0044] The components contained in the photochromic coating forming the photochromic layer 2 and the weight percentage of each component are as follows:

[0045] Photochromic compound: 3%;

[0046] Polyisocyanate crosslinking agent: 30%;

[0047] Polyol: 32.5%;

[0048] Solvent: 30%;

[0049] The rest are additives; in this embodiment, the additives have:

[0050] Catalyst: 1%

[0051] Antioxidant: 1%

[0052] Leveling agent: 0.5%

[0053] Adhesion promoter: 2%; of course, additives can be arbitrarily selected from thermal initiators, polymerization inhibitors, catalysts, antioxidants, leveling agents, adhesion promoters, hindered amine light stabilizers and heat stabilizers.

[0054] Among them, polyol is specifically a mixture of acrylic polyol, polyether polyol and polycarbonate polyol, acrylic p...

Embodiment 2

[0073] Such as figure 1 Shown, a kind of photochromic lens, it comprises optical substrate 1, photochromic layer 2 and protective layer 3 successively from bottom to top;

[0074] The components contained in the photochromic coating forming the photochromic layer 2 and the weight percentage of each component are as follows:

[0075] Photochromic compound: 10%;

[0076] Polyisocyanate crosslinking agent: 25%;

[0077] Polyol: 30%;

[0078] Solvent: 25%;

[0079] The rest are additives; in this embodiment, the additives have:

[0080] Catalyst: 3%

[0081] Antioxidant: 1%

[0082] Leveling agent: 1%

[0083] Thermal Initiator 1%

[0084] Inhibitor 1%

[0085] HALS 1%

[0086] Heat Stabilizer 1%

[0087] Adhesion promoter: 1%; of course, additives can be arbitrarily selected from thermal initiators, polymerization inhibitors, catalysts, antioxidants, leveling agents, adhesion promoters, hindered amine light stabilizers and heat stabilizers.

[0088] Wherein, polyol is s...

Embodiment 3

[0107] Such as figure 1 Shown, a kind of photochromic lens, it comprises optical substrate 1, photochromic layer 2 and protective layer 3 successively from bottom to top;

[0108] The components contained in the photochromic coating forming the photochromic layer 2 and the weight percentage of each component are as follows:

[0109] Photochromic compound: 7%;

[0110] Polyisocyanate crosslinking agent: 25%;

[0111] Polyol: 30%;

[0112] Solvent: 28%;

[0113] The rest are additives; in this embodiment, the additives have:

[0114] Catalyst: 5%

[0115] Antioxidant: 2%

[0116] Leveling agent: 1 %

[0117] Adhesion promoter: 1%;

[0118] Inhibitor; 1%; of course, additives can be arbitrarily selected from thermal initiators, inhibitors, catalysts, antioxidants, leveling agents, adhesion promoters, hindered amine light stabilizers and heat stabilizers.

[0119] Wherein, polyol is specifically the mixture of polyether polyol and polycarbonate polyol, polyether polyol is...

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Abstract

The invention discloses a photochromic lens and a manufacturing method thereof. The photochromic lens consists of an optical substrate, a photochromic layer and a protective layer from bottom to top in sequence, wherein photochromic paint for forming the photochromic layer contains the following components in percentage by weight: 3-10% of a photochromic compound and the balance of polyurethane resin to 100%.

Description

technical field [0001] The invention relates to a photochromic lens and a manufacturing method thereof. Background technique [0002] At present, photochromic lenses appearing on the market have performance problems such as short service life and low surface hardness. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a photochromic lens, which can improve the properties of its weather resistance, heat resistance and surface hardness of the lens. [0004] In order to solve the above technical problems, the technical solution of the present invention is: a photochromic lens, which sequentially includes an optical substrate, a photochromic layer and a protective layer from bottom to top; wherein, the photochromic coating forming the photochromic layer The components and weight percentages of each component are as follows: photochromic compound: 3-10%; the rest is polyurethane...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D7/12C09D133/14G02B1/14
CPCC09D175/14C08K5/1539C08K5/1545C08K5/357C08K2201/014C09D133/14G02B1/14
Inventor 李军
Owner JIANGSU MAAT OPTICAL CO LTD
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