CN105838279A - Optically clear adhesive (OCA) tape - Google Patents

Optically clear adhesive (OCA) tape Download PDF

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Publication number
CN105838279A
CN105838279A CN201610250260.3A CN201610250260A CN105838279A CN 105838279 A CN105838279 A CN 105838279A CN 201610250260 A CN201610250260 A CN 201610250260A CN 105838279 A CN105838279 A CN 105838279A
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CN
China
Prior art keywords
blue light
layer
adhesive layer
parts
transparent substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610250260.3A
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Chinese (zh)
Inventor
金闯
张庆杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sidike New Materials Jiangsu Co Ltd
Original Assignee
Sidike New Materials Jiangsu Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sidike New Materials Jiangsu Co Ltd filed Critical Sidike New Materials Jiangsu Co Ltd
Priority to CN201610250260.3A priority Critical patent/CN105838279A/en
Publication of CN105838279A publication Critical patent/CN105838279A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04Homopolymers or copolymers of esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/318Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/326Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/10Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/124Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/30Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/312Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00Presence of (meth)acrylic polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention discloses an OCA (optically clear adhesive) tape. The OCA tape is characterized in that the upper and lower surfaces of a transparent substrate layer are respectively coated with a first blue light preventing adhesive layer and a second blue light preventing adhesive layer; a first release material layer sticks to the other surface of the first blue light preventing adhesive layer; a second release material layer sticks to the other surface of the second blue light preventing adhesive layer; each of the first blue light preventing adhesive layer and the second blue light preventing adhesive layer comprises the following components: 100 parts of acrylate adhesive, 0.1 part of isocyanate curing agent, 12 parts of butanone, 2.45 parts of nano CeO2:Er fluorescent powder, 0.35 part of hexamethylphosphoramide, 2 parts of benzoyl peroxide and 0.4 part of silicone oil; and the model of the isocyanate curing agent is Bayer L-75. The OCA tape has a blue light resistant effect and also has the effect of solving the problems that the thickness is not easy to control and bubbles are easily generated by curing shrinkage.

Description

OCA optical adhesive tape
Technical field
The present invention relates to a kind of OCA optical adhesive tape, can be to unorganic glass and organic for touch screen particularly to one Plastic sheet has the OCA optical adhesive tape of preferable adhesive property.
Background technology
In recent years, the development of touch screen is extremely rapid, and along with growing with each passing day multimedia information inquiry, people are to touch The application of screen gets more and more.OCA optical adhesive tape due to possess water white transparency, transmitance more than 90%, cementing strength is good, tool There is cure shrinkage little, do not produce the advantages such as xanthochromia, especially to the advantage such as ito glass and optical element be corrosion-free, so relying on Its excellent process based prediction model, is most widely applied to touch screen industry.
Simultaneously along with the fast development of electronics technology, it is required that the electronic product such as portable computer, TV has become that people live Product, people need to expend a great deal of time in the face of these electronic products every day, but what the LED of these electronic products sent Light includes the blue light the biggest to human injury.Blue light refers to the high-energy light that wavelength is 380nm ~ 480nm, and it can be worn Crystalline lens arrives retina thoroughly, makes the epithelial cell of retinal pigment become feeble and die, causes photaesthesia cell to lack nutrient, thus cause Irreversible vision impairment, and during fine particle that blue light is in running into air, scattering probability is higher, easily produces dazzle, this Outer blue light also can stimulate brain, and suppression melatonin secretion also improves the generation of corticoid thus destroys hormone secretion balance Directly affect sleep quality.
Therefore, a kind of optical adhesive tape of exploitation, use it in electronic product, on the premise of there is preferred optical performance, Can also absorb blue light, this will have the most great meaning to the health of protection human body.
Summary of the invention
The present invention provides a kind of OCA optical adhesive tape, and this OCA optical adhesive tape has the effect of anti-blue light, also solves thickness Wayward, cure shrinkage easily produces the problem of bubble, thus is preferably applied on display screen touching.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of OCA optical adhesive tape, including a transparent base Layer, the upper and lower surface of this transparent substrate layer has been respectively coated with the first anti-blue light adhesive layer, the second anti-blue light adhesive layer, and described the One another surface of anti-blue light adhesive layer is covered with the first separated type material layer, and described second another surface of anti-blue light adhesive layer is covered with Second separated type material layer;Described first anti-blue light adhesive layer, the second anti-blue light adhesive layer are the most composed of the following components:
Acrylic ester adhesive 100 parts,
Isocyanate curing agent 0.1 part,
Butanone 12 parts,
Ceria nanopowder: 2.45 parts of Er fluorescent material,
HMPA 0.35 part,
Benzoyl peroxide 2 parts,
Silicone oil 0.4 part;
Described isocyanate curing agent model is Bayer L-75;
The weight average molecular weight range 200 ~ 8,000,000 of described acrylic acid series adhesive, vitrification point is-60 ~-30 DEG C;
Described transparent base layer thickness is 50~100 μm, light transmittance > 98%, mist degree < 1.0%.
The technical scheme improved further in technique scheme is as follows:
1., in such scheme, the thickness of described anti-blue light coating is 0.5~3 μm.
2., in such scheme, described transparent substrate layer is film layer or layer of polypropylene foil or laminated polyester film.
Owing to technique scheme is used, the present invention compared with prior art has following advantages and an effect:
OCA optical adhesive tape of the present invention, it had both had the effect of anti-blue light, had had the function of sorption enhanced to royal purple high energy shortwave, 360nm-500nm blue wave band filterability reaches more than 90%, preferably protects eye health;Also to unorganic glass and organic mould Tablet has preferable adhesive property;Secondly, specific formula combination, solve liquid optical cement due to ceria nanopowder: Er fluorescence Powder addition causes thickness wayward, and cure shrinkage easily produces the problem of bubble, thus effectively prevent the generation of bubble, Touch and preferably applied on display screen.
Accompanying drawing explanation
Accompanying drawing 1 is OCA optical adhesive tape structural representation of the present invention;
Accompanying drawing 2 is the partial structurtes schematic diagram of accompanying drawing 1.
In the figures above: 1, transparent substrate layer;2, the first anti-blue light adhesive layer;3, the second anti-blue light adhesive layer;4, first Separated type material layer;5, the second separated type material layer.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment 1 ~ 4: a kind of OCA optical adhesive tape, including a transparent substrate layer 1, the upper and lower surface of this transparent substrate layer 1 is respectively Being coated with first anti-blue light adhesive layer the 2, second anti-blue light adhesive layer 3, described first another surface of anti-blue light adhesive layer 2 is covered with First separated type material layer 4, described second another surface of anti-blue light adhesive layer 3 is covered with the second separated type material layer 4;Described first prevents Blue light adhesive layer the 2, second anti-blue light adhesive layer 3 is the most composed of the following components:
Described first anti-blue light adhesive layer the 2, second anti-blue light adhesive layer 3 each ingredients weight parts content is as follows:
Acrylic ester adhesive 100 parts,
Isocyanate curing agent 0.1 part,
Butanone 12 parts,
Ceria nanopowder: 2.45 parts of Er fluorescent material,
HMPA 0.35 part,
Benzoyl peroxide 2 parts,
Silicone oil 0.4 part;
Isocyanate curing agent model is Bayer L-75;
The weight average molecular weight range 200 ~ 8,000,000 of described acrylic acid series adhesive, vitrification point is-60 ~-30 DEG C;
Described transparent substrate layer 1 thickness is 50~100 μm, light transmittance > 98%, mist degree < 1.0%.
The thickness of above-mentioned anti-blue light coating is 0.5 μm or 2 μm or 1.5 μm or 3 μm.
Above-mentioned transparent substrate layer 1 embodiment 1 of stating is for film layer, and embodiment 2 is layer of polypropylene foil, embodiment 3 For laminated polyester film, embodiment 4 is film layer.
When using above-mentioned OCA optical adhesive tape, it had both had the effect of anti-blue light, and royal purple high energy shortwave is had sorption enhanced Function, 360nm-500nm blue wave band filterability reaches more than 90%, preferably protects eye health;Also to unorganic glass and have Machine plastic sheet has preferable adhesive property;Secondly, specific formula combination, solve liquid optical cement due to ceria nanopowder: Er Fluorescent material addition causes thickness wayward, and cure shrinkage easily produces the problem of bubble, thus effectively prevent the product of bubble Raw, preferably applied on display screen touching.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All according to the present invention The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.

Claims (3)

1. an OCA optical adhesive tape, it is characterised in that: include a transparent substrate layer (1), the upper and lower table of this transparent substrate layer (1) Face has been respectively coated with the first anti-blue light adhesive layer (2), the second anti-blue light adhesive layer (3), and described first anti-blue light adhesive layer (2) is another One surface is covered with the first separated type material layer (4), and described second anti-blue light adhesive layer (3) another surface is covered with the second release material The bed of material (4);Described first anti-blue light adhesive layer (2), the second anti-blue light adhesive layer (3) are the most composed of the following components:
Acrylic ester adhesive 100 parts,
Isocyanate curing agent 0.1 part,
Butanone 12 parts,
Ceria nanopowder: 2.45 parts of Er fluorescent material,
HMPA 0.35 part,
Benzoyl peroxide 2 parts,
Silicone oil 0.4 part;
Described isocyanate curing agent model is Bayer L-75;
The weight average molecular weight range 200 ~ 8,000,000 of described acrylic acid series adhesive, vitrification point is-60 ~-30 DEG C;
Described transparent substrate layer (1) thickness is 50~100 μm, light transmittance > 98%, mist degree < 1.0%.
OCA optical adhesive tape the most according to claim 1, it is characterised in that: described anti-indigo plant
The thickness of light coating is 0.5~3 μm.
OCA optical adhesive tape the most according to claim 1, it is characterised in that: described transparent substrate layer (1) is polyethylene film Layer or layer of polypropylene foil or laminated polyester film.
CN201610250260.3A 2014-12-31 2014-12-31 Optically clear adhesive (OCA) tape Pending CN105838279A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610250260.3A CN105838279A (en) 2014-12-31 2014-12-31 Optically clear adhesive (OCA) tape

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410855268.3A CN104530999B (en) 2014-12-31 2014-12-31 Anti-blue light OCA optics two-sided tape
CN201610250260.3A CN105838279A (en) 2014-12-31 2014-12-31 Optically clear adhesive (OCA) tape

Related Parent Applications (1)

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CN201410855268.3A Division CN104530999B (en) 2014-12-31 2014-12-31 Anti-blue light OCA optics two-sided tape

Publications (1)

Publication Number Publication Date
CN105838279A true CN105838279A (en) 2016-08-10

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Application Number Title Priority Date Filing Date
CN201610250463.2A Pending CN105860883A (en) 2014-12-31 2014-12-31 Protection film with resistance to blue light
CN201610250260.3A Pending CN105838279A (en) 2014-12-31 2014-12-31 Optically clear adhesive (OCA) tape
CN201410855268.3A Active CN104530999B (en) 2014-12-31 2014-12-31 Anti-blue light OCA optics two-sided tape

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Application Number Title Priority Date Filing Date
CN201610250463.2A Pending CN105860883A (en) 2014-12-31 2014-12-31 Protection film with resistance to blue light

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Application Number Title Priority Date Filing Date
CN201410855268.3A Active CN104530999B (en) 2014-12-31 2014-12-31 Anti-blue light OCA optics two-sided tape

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* Cited by examiner, † Cited by third party
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CN106957607A (en) * 2017-04-25 2017-07-18 东莞市纳利光学材料有限公司 A kind of OCA optical cements and preparation method thereof
CN112820817A (en) * 2020-12-31 2021-05-18 深圳全息界科技有限公司 Small-spacing LED module packaging process

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CN105017987A (en) * 2015-07-28 2015-11-04 太湖金张科技股份有限公司 Optical double-faced adhesive tape
CN105315910A (en) * 2015-11-09 2016-02-10 东莞市纳利光学材料有限公司 AB double-sided adhesive tape with fluorescent and blue-ray resistant effects and preparation method of AB double-sided adhesive tape
CN105524568A (en) * 2015-12-24 2016-04-27 东莞市纳利光学材料有限公司 AB adhesive film with noctilucence effect, and production method thereof
CN106318262B (en) * 2016-10-18 2019-08-23 东莞市纳利光学材料有限公司 A kind of anti-blue light double-sided adhesive rubberizing of pearly-lustre and screen protecting film
CN109553792A (en) * 2017-09-25 2019-04-02 安徽屹珹新材料科技有限公司 A kind of anti-blue light film of double optics coating and preparation method thereof
CN108192513A (en) * 2017-12-20 2018-06-22 深圳市盛三友电子有限公司 Novel optical is bonded glued membrane
CN110183996B (en) * 2019-05-30 2021-04-20 苏州凡赛特材料科技有限公司 Anti-blue light pressure-sensitive adhesive and preparation method thereof
CN112635625A (en) * 2020-12-31 2021-04-09 深圳全息界科技有限公司 Splicing type LED module packaging process

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CN112820817A (en) * 2020-12-31 2021-05-18 深圳全息界科技有限公司 Small-spacing LED module packaging process

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Publication number Publication date
CN104530999B (en) 2016-12-07
CN104530999A (en) 2015-04-22
CN105860883A (en) 2016-08-17

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