CN111633892A - Manufacturing process of ultrathin color-changing polarized resin lens - Google Patents

Manufacturing process of ultrathin color-changing polarized resin lens Download PDF

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Publication number
CN111633892A
CN111633892A CN202010519121.2A CN202010519121A CN111633892A CN 111633892 A CN111633892 A CN 111633892A CN 202010519121 A CN202010519121 A CN 202010519121A CN 111633892 A CN111633892 A CN 111633892A
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China
Prior art keywords
color
changing
lens
resin
resin lens
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CN202010519121.2A
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Chinese (zh)
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刘锋
毛良良
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Zenni Optical Inc
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Zenni Optical Inc
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Priority to CN202010519121.2A priority Critical patent/CN111633892A/en
Publication of CN111633892A publication Critical patent/CN111633892A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/20—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/22—Making multilayered or multicoloured articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14—Protective coatings, e.g. hard coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/12—Polarisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Polarising Elements (AREA)
  • Surface Treatment Of Optical Elements (AREA)

Abstract

The invention discloses a process for manufacturing an ultrathin color-changing polarized resin lens, which mainly comprises the steps of specially processing a resin polarizing film and sticking the resin polarizing film, sticking a polarizing film layer with consistent curvature on the surface of a resin hardened lens, marking the polarizing resin lens according to a polarizing assembly line, uniformly spraying a hardened film coating layer on the front surface of the lens by a spraying machine, then carrying out UV curing, and putting the cured lens into a vacuum film coating machine for film coating. The lens produced by the process is ultrathin, beautiful and safe. The practicality is big, is particularly suitable for outdoor wearing.

Description

Manufacturing process of ultrathin color-changing polarized resin lens
Technical Field
The invention relates to the field of manufacturing of optical resin lenses, in particular to a manufacturing process of an ultrathin color-changing polarized resin lens.
Background
In recent years, resin polarized lenses are receiving more and more attention, and are attractive and fashionable, and can effectively protect eyes. The polarizing film has unique optical performance, can effectively filter dazzling rays in the same direction of the sun on water, land or snow, and is suitable for use in maritime activities, skiing, driving or fishing.
At present, in the production process of the polarizer, the manufacturing process of the polarizing film is important and is divided into a dry process and a wet process, the process using the wet process is relatively stable, and the performance of the formed polarizing film is relatively excellent. The most important function of polarization of the polarized light is that of the dye in the polarized light, but the polarized light has advantages and disadvantages, and the color is extremely dangerous when the color is too deep in a tunnel or a garage. Therefore, the research on the polarizer manufacturing process using the color-changing material is worthy of attention and attention.
Disclosure of Invention
In order to solve the above problems, the present invention discloses a process for manufacturing an ultra-thin color-changeable polarized resin lens, comprising the steps of,
a: and (3) processing a polarizing film layer: adsorbing the color-changing material on PVA, and then forming and processing the color-changing material into a finished color-changing polarizing film by using a protective film, a release film, a pressure-sensitive adhesive, double-layer TAC or PET;
b: polarizing and bonding: cleaning and drying the resin substrate, spin-coating a UV adhesive on the front surface of the resin substrate, attaching the polarizing film layer with the same curvature as that of the step A on the front surface of the resin substrate, and marking the polarizing resin lens according to a polarizing assembly line;
c: uniformly and rotationally coating the front surface and the rear surface of the polarized resin lens in the step B with a hard coating layer by using a spraying machine, and curing by using a UV lamp;
d: and D, placing the resin lens cured in the step C into a vacuum coating machine for coating the front and rear surfaces.
The invention further improves that: the resin hardened lens is one of the resin finished product substrates with the model numbers of CR39, TRIVEX, KOC55, 1.56, PC and MR7, MR8, MR95, MR10 and MR 174.
The invention further improves that: the polarizing film layer in the step a needs to be pressed into 0base, 200base, 400base, 600base, 800base and 10base which correspond to the resin lens, and the polarizing film layer needs to be pressed and formed by adopting a four-corner fixing mold.
The invention further improves that: in the step B, the polarizing film layer needs to be bonded with the resin substrate with the same curvature as the front surface of the lens, and is preferentially bonded on the front surface of the lens; no undesirable phenomena such as bubbles and impurities occur.
The invention further improves that: the polarized resin lens is preferably marked at both ends of the polarized light assembling axis.
The invention further improves that: in the step C, the surface UV curing process is carried out at a rotating speed of 1800-2200 rpm/min for 20-35 s.
The invention further improves that: the color-changing powder adsorbed on the PVA is an organic material, an inorganic material or a mixed material of the organic material and the inorganic material, wherein the organic material is preferably anthraquinone color-changing powder, and the inorganic material is preferably titanium dioxide color-changing material.
The invention further improves that: the mixing proportion of the organic materials in the mixed material is 90-99%, and the mixing proportion of the inorganic materials is 1-10%.
The invention further improves that: in the step D: the coating layers of the front and the back surfaces need to be finished in a vacuum coating machine, and are preferably antireflection films of SiO2, Al2O3 and ZrO2 systems.
Compared with the prior art, the invention has the beneficial effects that:
1. the color-changing polarized lens adopts an advanced process to carry out special treatment on the polarized film, and is deepened outdoors, transparent indoors, safe and enhanced in practicability.
2. The polarizing film is formed by adopting a four-corner fixing device, so that the stress generated by the polarizing film is less, and the polarizing film is very easy to process in the later period.
3. By adopting the surface pasting process, the polarizing film is light and thin, the influence of long-time high temperature and high heat on the polarizing film when the lens made of resin material is processed and molded is avoided, and the interference and damage of glare on eyes can be effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of an ultrathin color-changing polarizer in this embodiment.
FIG. 2: fig. 1 is a cross-sectional view of a polarizing film.
List of reference numerals: in fig. 1: 1 is a resin substrate front surface antireflection coating layer, 2 is a front surface hard coating layer, 3 is a color-changing polarizing layer, 4 is a UV adhesive layer, 5 is a resin substrate, 6 is a resin substrate rear surface hard coating layer, and 7 is a rear surface antireflection coating layer.
In FIG. 2, 3-1 is a protection film layer, 3-2 is a first TAC/PET layer, and 3-4 is a second TAC/PET layer; 3-3 is a PVA layer, 3-5 is a pressure sensitive adhesive layer, and 3-6 is a release film layer.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 and 2: 1 is a resin substrate front surface antireflection coating layer, 2 is a front surface hard coating layer, 3 is a color-changing polarizing layer, 4 is a UV adhesive layer, 5 is a resin substrate, 6 is a resin substrate rear surface hard coating layer, and 7 is a rear surface antireflection coating layer.
The ultrathin color-changing polarized resin lens comprises a resin substrate 5, wherein the front surface of the resin substrate 5 is sequentially provided with a color-changing polarized layer 3, a front surface hardened film coating layer 2 and a front surface antireflection film coating layer 1 from inside to outside; the rear surface of the resin substrate 5 is provided with a resin substrate rear surface hard coating layer 6 and a rear surface antireflection coating layer 7 in sequence from inside to outside.
Wherein the color shifting polarizing layer 3 comprises a PVA layer 3-3; wherein the front surface of the PVA layer 3-3 is sequentially provided with a first TAC/PET layer 3-2 and a protective film layer 3-1 from inside to outside; the rear surface of the PVA layer 3-3 is sequentially provided with a second TAC/PET layer 3-4 from inside to outside; 3-5 parts of pressure-sensitive adhesive layer and 3-6 parts of release film layer.
Example 1
The specific process comprises the following steps:
mixing an organic color-changing material and an inorganic color-changing material according to a ratio of 99: 1 is adsorbed on PVA in proportion to form a PVA layer 3-3, and then a protective film layer 3-1, a release film layer 3-6, a pressure sensitive adhesive layer 3-5, a first TAC/PET layer, a second TAC/PET layer 3-2 and a third TAC/PET layer 3-4 are molded and processed into a finished product of a 4base color-changing polarizing film;
cleaning and drying a 4base resin substrate, spin-coating a UV adhesive on the front surface of the resin substrate, attaching the front surface of the lens with the polarizing film layer with the same curvature in the step A, and marking the polarizing resin lens according to a polarizing assembly line;
uniformly and rotationally coating hard coating layers on the front and back surfaces of the polarized resin lens by using a spraying machine, and carrying out UV lamp curing according to the process of 2200rpm/min and 30 s;
and placing the cured lens into a vacuum coating machine for front and rear surface antireflection coating.
The test results of the prepared resin lens of this example are as follows:
Figure 628445DEST_PATH_IMAGE002
the above description is only exemplary of the embodiments of the present invention and should not be construed as limiting the embodiments of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the embodiments of the present invention should be included in the scope of the present invention.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.

Claims (9)

1. A manufacturing process of ultrathin color-changing polarized resin lenses is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
a: and (3) processing a polarizing film layer: adsorbing the color-changing material on PVA, and then forming and processing the color-changing material into a finished color-changing polarizing film by using a protective film, a release film, a pressure-sensitive adhesive, double-layer TAC or PET;
b: polarizing and bonding: cleaning and drying the resin substrate, spin-coating a UV adhesive on the front surface of the resin substrate, attaching the polarizing film layer with the same curvature as that of the step A on the front surface of the resin substrate, and marking the polarizing resin lens according to a polarizing assembly line;
c: uniformly and rotationally coating the front surface and the rear surface of the polarized resin lens in the step B with a hard coating layer by using a spraying machine, and curing by using a UV lamp;
d: and D, placing the resin lens cured in the step C into a vacuum coating machine for coating the front and rear surfaces.
2. The process for manufacturing an ultrathin color-changing polarized resin lens as claimed in claim 1, wherein: the resin hardened lens is one of the resin finished product substrates with the model numbers of CR39, TRIVEX, KOC55, 1.56, PC and MR7, MR8, MR95, MR10 and MR 174.
3. The process for manufacturing an ultrathin color-changing polarized resin lens as claimed in claim 1, wherein: the polarizing film layer in the step a needs to be pressed into 0base, 200base, 400base, 600base, 800base and 10base which correspond to the resin lens, and the polarizing film layer needs to be pressed and formed by adopting a four-corner fixing mold.
4. The process for manufacturing an ultrathin color-changing polarized resin lens as claimed in claim 1, wherein: in the step B, the polarizing film layer needs to be bonded with the resin substrate with the same curvature as the front surface of the lens, and is preferentially bonded on the front surface of the lens; no undesirable phenomena such as bubbles and impurities occur.
5. The process for manufacturing an ultrathin color-changing polarized resin lens as claimed in claim 1, wherein: the polarized resin lens is preferably marked at both ends of the polarized light assembling axis.
6. The process for manufacturing an ultrathin color-changing polarized resin lens as claimed in claim 1, wherein: in the step C, the surface UV curing process is carried out at a rotating speed of 1800-2200 rpm/min for 20-35 s.
7. The process for manufacturing an ultrathin color-changing polarized resin lens as claimed in claim 1, wherein: the color-changing powder adsorbed on the PVA is an organic material, an inorganic material or a mixed material of the organic material and the inorganic material, wherein the organic material is preferably anthraquinone color-changing powder, and the inorganic material is preferably titanium dioxide color-changing material.
8. The process for manufacturing an ultrathin color-changing polarized resin lens as claimed in claim 7, wherein: the mixing proportion of the organic materials in the mixed material is 90-99%, and the mixing proportion of the inorganic materials is 1-10%.
9. The process for manufacturing an ultrathin color-changing polarized resin lens as claimed in claim 1, wherein in the step D: the coating layers of the front and the back surfaces need to be finished in a vacuum coating machine, and are preferably antireflection films of SiO2, Al2O3 and ZrO2 systems.
CN202010519121.2A 2020-06-09 2020-06-09 Manufacturing process of ultrathin color-changing polarized resin lens Pending CN111633892A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101975996A (en) * 2010-08-26 2011-02-16 江苏万新光学有限公司 Method and device for producing polarizing film having local polarization effect
CN102928910A (en) * 2012-11-22 2013-02-13 上海康耐特光学股份有限公司 Polarized light 3D (three dimensional) lens and production method therefor
CN104880834A (en) * 2015-05-04 2015-09-02 中青辰光（北京）科技有限公司 Compound polarizing lens and manufacturing method thereof
CN206374300U (en) * 2016-12-20 2017-08-04 爱思开哈斯新材料（苏州）有限公司 LCD screen diaphragm
CN110323263A (en) * 2019-07-10 2019-10-11 京东方科技集团股份有限公司 Polaroid, display device
TW201941954A (en) * 2018-02-23 2019-11-01 日商德山股份有限公司 Functional multilayer body and functional lens using functional multilayer body

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101975996A (en) * 2010-08-26 2011-02-16 江苏万新光学有限公司 Method and device for producing polarizing film having local polarization effect
CN102928910A (en) * 2012-11-22 2013-02-13 上海康耐特光学股份有限公司 Polarized light 3D (three dimensional) lens and production method therefor
CN104880834A (en) * 2015-05-04 2015-09-02 中青辰光（北京）科技有限公司 Compound polarizing lens and manufacturing method thereof
CN206374300U (en) * 2016-12-20 2017-08-04 爱思开哈斯新材料（苏州）有限公司 LCD screen diaphragm
TW201941954A (en) * 2018-02-23 2019-11-01 日商德山股份有限公司 Functional multilayer body and functional lens using functional multilayer body
CN110323263A (en) * 2019-07-10 2019-10-11 京东方科技集团股份有限公司 Polaroid, display device

Non-Patent Citations (1)

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Title
闫伟: "《眼镜文化》", 31 August 2018, 北京理工大学出版社 *

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