CN109401653A - A kind of protective film of the low precipitation of high temperature resistant and its application - Google Patents

A kind of protective film of the low precipitation of high temperature resistant and its application Download PDF

Info

Publication number
CN109401653A
CN109401653A CN201811081306.9A CN201811081306A CN109401653A CN 109401653 A CN109401653 A CN 109401653A CN 201811081306 A CN201811081306 A CN 201811081306A CN 109401653 A CN109401653 A CN 109401653A
Authority
CN
China
Prior art keywords
high temperature
temperature resistant
protective film
low precipitation
pressure sensitive
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
CN201811081306.9A
Other languages
Chinese (zh)
Inventor
金闯
董孟姣
黄涛
陈静
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.)
Taicang Sidike New Material Science and Technology Co Ltd
Original Assignee
Taicang Sidike New Material Science and Technology 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 Taicang Sidike New Material Science and Technology Co Ltd filed Critical Taicang Sidike New Material Science and Technology Co Ltd
Priority to CN201811081306.9A priority Critical patent/CN109401653A/en
Publication of CN109401653A publication Critical patent/CN109401653A/en
Pending legal-status Critical Current

Links

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
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22Plastics; Metallised plastics
    • C09J7/25Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/255Polyesters
    • 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
    • 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
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38Pressure-sensitive adhesives [PSA]
    • C09J7/381Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/385Acrylic 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
    • 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
    • C09J2301/30Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/302Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
    • 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
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/40Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/408Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
    • 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
    • C09J2301/40Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/414Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
    • 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
    • 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
    • C09J2467/00Presence of polyester
    • C09J2467/006Presence of polyester in the substrate

Landscapes

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

Abstract

The present invention relates to a kind of low precipitation protective film of high temperature resistant and its applications; it from top to bottom successively include release layer, adhesive layer and substrate layer; adhesive layer is acrylate pressure sensitive adhesive, and acrylate pressure sensitive adhesive includes acrylic copolymer, ethyl acetate, curing agent, high temperature resistant filler, low precipitation auxiliary agent.Substrate is connected by acrylate pressure sensitive adhesive with release film;When needing to protect screen or electronic component, directly substrate is stripped, is contacted by acrylate pressure sensitive adhesive with screen or electronic component;Substrate is high temperature resistant lower shrinkage substrate; and acrylate pressure sensitive adhesive mainly includes acrylic copolymer, ethyl acetate, curing agent, high temperature resistant filler and low precipitation auxiliary agent; thus there is good high temperature resistance; after conforming on glass; 220 DEG C of high temperature are resistant in vacuum environment; will not occur the situations such as heaving, wrinkle, there will not be white haze after opening or residue glue occurs, thus can be widely used in the technique of various high temperature resistant protections.

Description

A kind of protective film of the low precipitation of high temperature resistant and its application
Technical field
The present invention relates to a kind of protective film, in particular to the low precipitation protective film of a kind of high temperature resistant.
Background technique
Non- ITO conductive film belongs to the emerging industry in flexible screen, and market prospects are fine;In manufacture craft, non-ITO is led The main body substrate surface of electrolemma not damage resistant, vulnerable to pollution, therefore need when making conductive film specific by one Protective film plays scuffing and contamination to its surface.It is current can only mobile phone and PAD etc. include one piece of touch screen, touch screen is The induction type liquid crystal display device in sea is tamed and dociled in a acceptable human body touch input, when mobile phone contacts the relevant range on screen, Capacitance plate induction after screen does not sense the variation of electric signal, and touch chip is acquired place to these current signals changed It is transported to mobile phone base band chip after reason to be handled, various instructions are issued by baseband chip, to realize mobile phone various functions;By In can only mobile phone by camera and voice earpiece, therefore, touch screen needs the plated film on corresponding region, such as passes through PVD Plated film, the prior art are easy to cause film to wrinkle for shielding protective film of the single film as plated film in PVD plated film, thus So that wrinkle and MARK print and residue glue can be left in touch-control screen surfaces.
Thus, we provide the low precipitation protective film of high temperature resistant for not having white haze and residue glue after a kind of open herein.
Summary of the invention
The object of the present invention is to provide a kind of low precipitation protective films of high temperature resistant.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of low precipitation protection of high temperature resistant Film, from top to bottom successively includes release layer, adhesive layer and substrate layer, and the adhesive layer is acrylate pressure sensitive adhesive, the acrylic acid Pressure sensitive adhesive includes acrylic copolymer, ethyl acetate, curing agent, high temperature resistant filler, low precipitation auxiliary agent.
By using above-mentioned technical proposal, a kind of high temperature resistant protective film disclosed in this programme mainly includes substrate, propylene Sour pressure sensitive adhesive, release film, substrate are connected by acrylate pressure sensitive adhesive with release film;When needing to carry out to screen or electronic component When protection, directly substrate is stripped, is contacted by acrylate pressure sensitive adhesive with screen or electronic component;Substrate is resistance to height Warm lower shrinkage substrate, and acrylate pressure sensitive adhesive mainly includes acrylic copolymer, ethyl acetate, curing agent, high temperature resistant filling Agent and low precipitation auxiliary agent since low precipitation auxiliary agent surface can be lower, thus have good high temperature resistance, are conforming to glass After upper, it is resistant to 220 DEG C of high temperature in vacuum environment, will not occur the situations such as heaving, wrinkle, there will not be after opening white Mist or residue glue occur, thus can be widely used in the technique of various high temperature resistant protections.
Preferably, each content of material in acrylate pressure sensitive adhesive is based on component:
Preferably, the substrate layer is high temperature resistant lower shrinkage substrate, the high temperature resistant lower shrinkage substrate uses high temperature resistant PET, PI and PEN.
Preferably, the crosslinking agent is thermal cross-linking agent.
Preferably, the crosslinking agent is using amine, epoxies, isocyanates and metallic salt etc..
Preferably, the high temperature resistant filler uses containing benzene ring substance, polyimides substance or contains conjugated bonds Class chemical substance.
Preferably, the weight average molecular weight of the acrylic copolymer is 100,000 or more, 1,000,000 or less.
Preferably, the low precipitation auxiliary agent is low-surface energy substance, the low molecular weight that auxiliary agent is precipitated is 5000- 60000。
The object of the present invention is to provide a kind of low precipitation protective films of high temperature resistant.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of low precipitation protection of high temperature resistant Application of the film on electronic device touch screen.
In conclusion the invention has the following advantages:
1. a kind of high temperature resistant protective film disclosed in this programme mainly includes substrate, acrylate pressure sensitive adhesive, release film, base Material is connected by acrylate pressure sensitive adhesive with release film;When needing to protect screen or electronic component, directly by substrate It strips, is contacted by acrylate pressure sensitive adhesive with screen or electronic component;Substrate is high temperature resistant lower shrinkage substrate, and third Olefin(e) acid pressure sensitive adhesive mainly includes acrylic copolymer, ethyl acetate, curing agent, high temperature resistant filler and low precipitation auxiliary agent, by Can be lower in low precipitation auxiliary agent surface, thus there is good high temperature resistance, after conforming on glass, in vacuum environment In be resistant to 220 DEG C of high temperature, will not occur the situations such as heaving, wrinkle, there will not be white haze or residue glue after opening and occur, thus energy It is widely used in the technique of various high temperature resistant protections;
2. the research about such adhesive tape is more since such adhesive tape use scope is wide;Such as application No. is A kind of high temperature resistant protective film disclosed in the Chinese patent of " 201510843404.1 ", the high temperature resistant protective film in the program, though So there is good viscosity, adhesion strength and spin initial bonding strength, but its mesoglea only can be long-term in the environment of -20 DEG C -120 DEG C It keeps its performance constant, is not in the deformation such as warpage, heatproof is up to 180 DEG C in the short time;Other similar protection on the market Film, heatproof degree is similar therewith, and temperature tolerance of the invention may be up to 220 DEG C, or even when slightly above 220 DEG C, still With good stability.
Specific embodiment
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in the scope of the claims of invention.
Embodiment:
A kind of low precipitation protective film of high temperature resistant, from top to bottom successively includes release layer, adhesive layer and substrate layer, and adhesive layer is Acrylate pressure sensitive adhesive, acrylate pressure sensitive adhesive mainly include acrylic copolymer, ethyl acetate, curing agent, high temperature resistant filler, Low precipitation auxiliary agent.
Each material composition is identical in embodiment 1- embodiment 5, but a content of material is different, is detailed in shown in the following table 1, test wrapper Border is resistance to 250 DEG C of 10min under vacuum condition,.
Table 1:
Each material composition and its test result in embodiment 6- embodiment 9 and comparative example, are detailed in shown in the following table 2;
Table 2:
△ representative has residue glue, and zero representative has white haze, and X representative has residue glue and white haze, and OK is represented without white haze and residue glue, and is represented Fold with heave
Only change the low amount that auxiliary agent is precipitated in embodiment 1, embodiment 2 and embodiment 3, other are remained unchanged, and verify low analysis Influence of the amount of auxiliary agent to white haze residue glue, Tai Shaoshi out do not have effect, so having white haze, can be precipitated when too many, float on by Object surface is pasted, also will form white haze;
The amount of embodiment 2, embodiment 4 and embodiment 5 change high temperature resistant fillers, other are remained unchanged, and verify resistance to height Influence of the amount of warm filler to white haze residue glue, Tai Shaoshi do not have effect, so having residue glue, can be precipitated, float on when too many Affixed object surface, will form white haze;
Only change the amount of crosslinking agent in embodiment 2, embodiment 6 and embodiment 7, other are remained unchanged, and verify crosslinking agent The influence to white haze residue glue is measured, Tai Shaoshi, crosslink density is low, and molecular weight is small, so being easy residue glue, can be precipitated when too many, small point Son floats on affixed object surface, will form white haze;
Only change the type of substrate in embodiment 2, embodiment 8, embodiment 9 and comparative example, other are remained unchanged, and verifying is not With the substrate influence apparent to white haze residue glue and protective film, the results showed that the white haze residue glue of common PET and apparent all bad, Because the heat-resisting quantity of common PET is bad, has substance and be precipitated or decompose, therefore can deform and generate white haze residue glue.
In summary the performance of basement membrane and curing agent and heatproof auxiliary agent and it is low be precipitated auxiliary agent to the white haze of heatproof protective film and The performances such as residue glue have an impact.

Claims (9)

1. a kind of low precipitation protective film of high temperature resistant, it is characterised in that: from top to bottom successively include release layer, adhesive layer and substrate Layer, the adhesive layer are acrylate pressure sensitive adhesive, and the acrylate pressure sensitive adhesive includes acrylic copolymer, ethyl acetate, solidification Agent, high temperature resistant filler, low precipitation auxiliary agent.
2. a kind of low precipitation protective film of high temperature resistant according to claim 1, which is characterized in that each in acrylate pressure sensitive adhesive Content of material is based on component:
3. a kind of low precipitation protective film of high temperature resistant according to claim 2, it is characterised in that: the substrate layer is high temperature resistant Lower shrinkage substrate, the high temperature resistant lower shrinkage substrate use high temperature resistant PET, PI or PEN.
4. a kind of low precipitation protective film of high temperature resistant according to claim 3, it is characterised in that: the crosslinking agent is heat cross-linking Agent.
5. a kind of low precipitation protective film of high temperature resistant according to claim 4, it is characterised in that: the crosslinking agent uses amine Class, epoxies, isocyanates and metallic salt.
6. a kind of low precipitation protective film of high temperature resistant according to claim 5, it is characterised in that: the high temperature resistant filler is adopted With containing benzene ring substance, polyimides substance or contain conjugated bonds class chemical substance.
7. a kind of low precipitation protective film of high temperature resistant according to claim 6, it is characterised in that: the acrylic copolymer Weight average molecular weight be 100,000 or more, 1,000,000 or less.
8. a kind of low precipitation protective film of high temperature resistant according to claim 7, it is characterised in that: the low precipitation auxiliary agent is low Surface energy substance, the low molecular weight that auxiliary agent is precipitated is 5000-60000.
9. a kind of low precipitation protective film of high temperature resistant according to any one of claims 1 to 8 is on electronic device touch screen Using.
CN201811081306.9A 2018-09-17 2018-09-17 A kind of protective film of the low precipitation of high temperature resistant and its application Pending CN109401653A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811081306.9A CN109401653A (en) 2018-09-17 2018-09-17 A kind of protective film of the low precipitation of high temperature resistant and its application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811081306.9A CN109401653A (en) 2018-09-17 2018-09-17 A kind of protective film of the low precipitation of high temperature resistant and its application

Publications (1)

Publication Number Publication Date
CN109401653A true CN109401653A (en) 2019-03-01

Family

ID=65464854

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811081306.9A Pending CN109401653A (en) 2018-09-17 2018-09-17 A kind of protective film of the low precipitation of high temperature resistant and its application

Country Status (1)

Country Link
CN (1) CN109401653A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110724469A (en) * 2019-11-07 2020-01-24 新纶科技(常州)有限公司 High-temperature-resistant flexible protective film capable of preventing micromolecules from being separated out and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102311710A (en) * 2010-07-02 2012-01-11 第一毛织株式会社 Binder compsn and utilize the optical element of this tackiness agent
CN105647411A (en) * 2015-11-27 2016-06-08 东莞市航达电子有限公司 High temperature resistant protective film

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102311710A (en) * 2010-07-02 2012-01-11 第一毛织株式会社 Binder compsn and utilize the optical element of this tackiness agent
CN105647411A (en) * 2015-11-27 2016-06-08 东莞市航达电子有限公司 High temperature resistant protective film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110724469A (en) * 2019-11-07 2020-01-24 新纶科技(常州)有限公司 High-temperature-resistant flexible protective film capable of preventing micromolecules from being separated out and preparation method thereof

Similar Documents

Publication Publication Date Title
CN107083231B (en) Organic silicon gel composition and preparation method thereof
KR20180059952A (en) Electronic element and sheet material
CN105974695A (en) Anisotropic conductive film and attaching method thereof
WO2012018123A1 (en) Anisotropic conductive adhesive film and curing agent
TW202002191A (en) Electromagnetic wave shield sheet
CN109401653A (en) A kind of protective film of the low precipitation of high temperature resistant and its application
WO2021142752A1 (en) Organic silicon resin conductive adhesive, and preparation method therefor and application thereof
KR20160036702A (en) Semiconductor package and method for manufacturing the same
CN208324406U (en) A kind of electronic component packaging composite film
CN208148667U (en) Silicone protective film for flat display panel
CN204721704U (en) Circuit board
CN109735299A (en) A kind of high bonding color inhibition gap-filling glue and preparation method thereof
CN115141561B (en) Antistatic PET film for electronic product
JP7462408B2 (en) Adhesive composition, adhesive film, and connection structure
CN204820561U (en) Compound SMD heat -seal upper cover area
TWI634004B (en) Coverlay structure
CN209563129U (en) A kind of silicone oil release film being matched with electromagnetic shielding film
CN206814683U (en) A kind of silica gel protected films of high temperature resistant PI
CN206164979U (en) Composite circuit board
CN106147662A (en) Adhesive, high temperature resistant conductive double-sided tape and preparation method
CN207256986U (en) Screen protecting film for coating process
CN206616182U (en) A kind of red U.S. adhesive tape of high temperature
CN207088638U (en) A kind of ITO high temperature resistants lower shrinkage diaphragm
CN113825819B (en) Adhesive composition and method for selecting same, adhesive film and method for producing same, and adhesive body and method for producing same
CN204697383U (en) Multilayer circuit board

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190301