Compound polarized sunglasses lens and production process thereof

A sunglass and composite technology, which is applied in the field of polarized lenses, can solve the problems of complex production process, decreased vision, unsatisfactory development prospects, etc., and achieves the effects of simple production process, good polarizing effect and good market prospects.

Inactive Publication Date: 2014-12-24
RUIAN SHISHANG OPTICAL GLASSES TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the continuous improvement of people's living standards, many people will drive to work or participate in outdoor activities. However, when the sky is sunny and the sun is strong, the sun will directly hit the driver's eyes and affect the judgment of the object, causing danger, and long-term Exposure to direct sunlight can also lead to a rapid decline in vision, forming nearsightedness, hyperopia, astigmatism or cataracts, etc. B

Method used

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  • Compound polarized sunglasses lens and production process thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Selected materials: 200um upper single-side scratch-resistant sheet, 270um thickened material sheet, 180um ordinary polarizer layer, 150um color sheet and 200um lower single-side scratch-resistant sheet;

[0016] Pre-process of material compounding: Firstly, the upper and lower single-sided anti-scratch sheets are film-coated to prevent the surface of the formed lens from being scratched during the subsequent cutting process, and then the upper single-sided anti-scratch sheet and the order The edges of the anti-scratch sheet, color sheet and thickened material sheet are cut to a width of 560mm, and the edges of the polarizer layer are cut to a width of 520mm. Finally, the upper single-sided scratch-resistant sheet, plus The thick material sheet, ordinary polarizing sheet, color sheet and the lower single-sided anti-scratch sheet are sequentially soaked in 15% sodium hydrochloride solution for saponification, rinsed with water, dried, and wound;

[0017] Material compoun...

Embodiment 2

[0020] Selected materials: 240um upper single-side anti-scratch sheet, 520um thicker material layer, 220um ordinary polarizer layer, 180um color sheet and 240um lower single-side anti-scratch sheet;

[0021] Pre-process of material compounding: Firstly, the upper and lower single-sided anti-scratch sheets are film-coated to prevent the surface of the formed lens from being scratched during the subsequent cutting process, and then the upper single-sided anti-scratch sheet and the order The edges of the anti-scratch sheet, color sheet and thickened material sheet are cut to a width of 560mm, and the edges of the polarizer layer are cut to a width of 520mm. Finally, the upper single-sided scratch-resistant sheet, plus The thick material sheet, ordinary polarizing sheet, color sheet and the lower single-sided anti-scratch sheet are sequentially soaked in 15% sodium hydrochloride solution for saponification, rinsed with water, dried, and wound;

[0022] Material compounding process...

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Abstract

The invention relates to a compound polarized sunglasses lens and a production process thereof. The lens comprises an upper single-side anti-scratching piece layer (150[mu]m-300[mu]m), a thickening material piece layer (100[mu]m-600[mu]m), an ordinary polarized piece layer (150[mu]m -270[mu]m), a colored piece layer (100[mu]m-240[mu]m) and a lower single-side anti-scratching piece layer (150[mu]m -300[mu]m). The production process comprises the following steps: respectively and simultaneously unwinding, compounding, drying and winding the processed upper single-side anti-scratching piece layer, the processed thickening material piece layer, the processed ordinary polarized piece layer, the processed colored piece layer and the processed lower single-side anti-scratching piece layer, wherein when the piece layers are compounded, the layers are pasted with a polyvinyl acetal adhesive; after being compounded, the piece layers are dried through a plurality of drying ovens at a uniform speed; the temperature in each drying oven is set to be 50-60 DEG C; finally sequentially cutting the compounded coiled materials for producing the lens into strips, cutting into pieces and forming.

Description

technical field [0001] The invention relates to the field of polarized lenses, in particular to a composite polarized sunglasses lens and a manufacturing process thereof. Background technique [0002] With the continuous improvement of people's living standards, many people will drive to work or participate in outdoor activities. However, when the sky is sunny and the sun is strong, the sun will directly hit the driver's eyes and affect the judgment of the object, causing danger, and long-term Exposure to direct sunlight can also lead to a rapid decline in vision, resulting in myopia, hyperopia, astigmatism, or cataracts. Because polarized sunglasses can filter out ultraviolet rays in the beam, drivers usually prepare sunglasses for emergencies. Many polarized sunglasses lenses on the existing market are formed by high-temperature injection molding, and polarized sunglasses lenses formed by injection molding have poor polarizing effect, complicated manufacturing process, hig...

Claims

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Application Information

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IPC IPC(8): G02C7/10G02C7/12G02B1/10B32B23/08B32B27/30
Inventor 李小锋
Owner RUIAN SHISHANG OPTICAL GLASSES TECH
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