CN108610999A - Adhesive film - Google Patents
Adhesive film Download PDFInfo
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- CN108610999A CN108610999A CN201710952204.9A CN201710952204A CN108610999A CN 108610999 A CN108610999 A CN 108610999A CN 201710952204 A CN201710952204 A CN 201710952204A CN 108610999 A CN108610999 A CN 108610999A
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- Prior art keywords
- adhesive film
- film
- layer
- resin
- adhering agent
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional 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
- C09J2301/122—Additional 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 only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional 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
Landscapes
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention provides a kind of adhesive film, and suitability is excellent, and design is also excellent for batching when being processed to slim adhesive film by roll-to-roll mode.The adhesive film is the adhesive film for protecting graphite flake.The adhesive film has stripping film, adhering agent layer, resin film and roughened layer.Above-mentioned adhering agent layer is arranged on the surface of above-mentioned stripping film.Above-mentioned resin film is arranged on the surface with above-mentioned stripping film opposite side of above-mentioned adhering agent layer.Above-mentioned roughened layer is arranged on the surface with above-mentioned adhering agent layer opposite side of above-mentioned resin film.The average height (Rc) of the roughness curve element of the structural plane of above-mentioned roughened layer is 0.5 μm or more.The dynamic friction factor relative to above-mentioned stripping film in above structure face is 2 or less.
Description
Technical field
The present invention relates to a kind of adhesive films.
Background technology
In order to promote to be set to the heat dissipation of internal electronic unit, in the small-sized electronic products such as mobile phone, laptop
Use the graphite flake for having heat transmission.Slimming for electronic product and raising thermal diffusivity, are used in these small-sized electronic products
Graphite flake be extremely thinned.Therefore, in graphite flake, its missing, stripping etc. in order to prevent uses coloring adhesive tape
Protection sheet material surface (for example, referenced patent document 1,2).
In patent document 1, as the adhesive tape for protecting graphite flake, a kind of coloring adhesive tape is disclosed,
There is adhering agent layer, the colored matrix materials to have at least one surface of colored matrix materials：Thickness is 1 μm or more 6 μm below
Resin film layer, thickness are that 1 μm or more 6 μm adhering agent layers and thickness below are 0.5 μm or more 2 μm of dyed layers below, institute
The light transmittance for stating colored matrix materials is 0.1% or more 10% hereinafter, the thickness of adhesive tape is 3 μm or more 10 μm or less.
In patent document 2, as the adhesive tape for protecting graphite flake, a kind of coloring adhesive tape is disclosed,
There is adhering agent layer, the coloring film is provided on support to be formed by coloring printing ink at least one surface of coloring film
Dyed layer, and disclose the dyed layer by containing binder resin, coloured material and with specific average grain diameter two
The coloring printing ink of silicon oxide particle is formed.
Coloring adhesive tape for example has adhering agent layer, the resin film being set on adhering agent layer and is set to resin film
On dyed layer.Resin film is, for example, the base material of adhesive film.In addition, dyed layer is for example as the apparent unevenness for making graphite flake
Even not eye-catching shielding layer and work.In the coloring adhesive tape, slimming is also required, the thickness of adhesive tape is very thin 10
μm or less.Such coloring adhesive tape, such as formed by roll-to-roll mode together with stripping film.In roll-to-roll mode
In, the coloring adhesive tape (hereinafter, the state is denoted as adhesive film) with stripping film is taken up roller and rolls.
Then, by roll-to-roll mode, adhesive film is processed as defined width by severing, for use as the guarantor of protection graphite flake
Retaining tape.When manufacturing very thin adhesive film by roll-to-roll mode like this, it some times happens that adhesion (film table when being batched
Face and the attaching being contacted between the back of the membrane on it), air be mixed into (fold) etc. batch it is bad.In addition, in recent years, from U.S.
The angle of sight is set out, and for the adhesive film, when being configured at the inside of electronic product, also requires to seem in integration
Design.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2013-203965 bulletins
Patent document 2：Japanese Unexamined Patent Publication 2013-112695 bulletins
Invention content
The technical problem to be solved in the present invention
In view of the above circumstances, the purpose of the present invention is to provide a kind of adhesive film, by roll-to-roll mode to slim
Adhesive film batching when being processed suitability is excellent, and design is also excellent.
Solve the technological means of technical problem
In order to achieve the above object, the adhesive film of one embodiment of the present invention is the adhesive film for protecting graphite flake.Adhesive film
Have stripping film, adhering agent layer, resin film and roughened layer.Above-mentioned adhering agent layer is arranged on the surface of above-mentioned stripping film.
Above-mentioned resin film is arranged on the surface with above-mentioned stripping film opposite side of above-mentioned adhering agent layer.Above-mentioned roughened layer is set
In on the surface with above-mentioned adhering agent layer opposite side of above-mentioned resin film.The roughness curve of the structural plane of above-mentioned roughened layer is wanted
The average height (Rc) of element is 0.5 μm or more, and the dynamic friction factor relative to above-mentioned stripping film in above structure face is 2 or less.
According to such adhesive film, even if adhesive film is taken up roller and rolls, adhesive film is not easy to cause adhesion and air mixed
The generation entered, and suitability is excellent, and design is also excellent for batching when processing slim adhesive film by roll-to-roll mode.
In above-mentioned adhesive film, above-mentioned roughened layer can include particle and binder resin.
In addition, in above-mentioned adhesive film, 60 ° of mirror surface lusters on above structure face can be 0.5% or more
50% or less.
In addition, in above-mentioned adhesive film, at least one in above-mentioned adhering agent layer, above-mentioned resin film and above-mentioned roughened layer
Person can include colorant.
In addition, in above-mentioned adhesive film, the thickness of above-mentioned adhering agent layer can be 1 μm or more 5 μm or less.
In addition, in above-mentioned adhesive film, the thickness of above-mentioned resin film can be 1 μm or more 6 μm or less.
In addition, in above-mentioned adhesive film, the thickness of above-mentioned roughened layer can be 0.5 μm or more 10 μm or less.
In addition, in above-mentioned adhesive film, the dynamic friction factor relative to the stripping film of the structural plane can be 0.5
Above 1.5 or less.
In addition, in above-mentioned adhesive film, the arithmetic mean roughness (Ra) in above structure face can be 0.1 μm or more 1.0 μ
M or less.
In addition, in above-mentioned adhesive film, the average height (Rc) of the roughness curve element in above structure face can be 0.5
μm or more 5.0 μm or less.
In addition, in above-mentioned adhesive film, 10 mean roughness (Rzjis) in above structure face can be 1.0 μm or more
9.0 μm or less.
In addition, in above-mentioned adhesive film, the average height of the roughness curve element of the lower surface of above-mentioned stripping film
(Rc) it can be 500nm or less.
In addition, in above-mentioned adhesive film, in above-mentioned roughened layer, relative to the binder resin of 100 mass parts, on
The content for stating particle can be that 40 mass parts or more 150 are below mass part.
In addition, in above-mentioned adhesive film, above-mentioned roughened layer may include colorant.
In addition, above-mentioned adhesive film can be formed long sheet.
In addition, in above-mentioned adhesive film, above-mentioned adhering agent layer, above-mentioned resin film and above-mentioned roughened layer can be attached at electricity
In subassembly inside on the surface of set graphite flake.
According to such adhesive film, adhesive film is difficult to happen adhesion and air is mixed into, and is further added by roll-to-roll mode
Suitability is excellent, and design is also excellent for batching when work slim adhesive film.
Invention effect
According to the present invention, as described above, it is possible to provide a kind of adhesive film, by roll-to-roll mode to slim adhesion
Suitability is excellent, and design is also excellent for batching when film is processed.
Description of the drawings
In Fig. 1, figure (a) is stereoscopic schematic diagram of the adhesive film of present embodiment in the state of being wound；It is this to scheme (b)
The diagrammatic cross-section of the adhesive film of embodiment；
Fig. 2 is that the graphite flake of the adhesive tape with present embodiment is attached at the state on shell via double faced adhesive tape
Diagrammatic cross-section；
Fig. 3 is the schematic diagram illustrated to the manufacturing process of the adhesive film of present embodiment.
Reference sign
1：Adhesive tape；2：Adhesive film；11：Resin film；15：Roughened layer；15u：Upper surface；20：Adhering agent layer；30：
Stripping film；30d：Lower surface；51：Stripping film with adhering agent layer；52：Adhesive film；100：Graphite flake；101：Double faced adhesive tape；
102：Shell；210：Work beam；211：Roll out roller；220：Coating mechanism；230：Hothouse；240：Attach mechanism；240a：It rolls out
Roller；240b：Roller；240c：Roller；250a、250b、250c、250d：Deflector roll；310：Work beam；311：Roll out roller；320：Coating machine
Structure；330：Hothouse；350a、350b、350c：Deflector roll.
Specific implementation mode
Hereinafter, embodimentsing of the present invention will be described while with reference to Figure of description.Sometimes in each explanation
XYZ axial coordinates are imported in book attached drawing.
[composition of adhesive film]
Fig. 1 (a) is stereoscopic schematic diagram of the adhesive film of present embodiment in the state of being wound.Fig. 1 (b) is this implementation
The diagrammatic cross-section of the adhesive film of mode.
As shown in Fig. 1 (a), the adhesive film 2 of present embodiment is formed long sheet.Adhesive film 2 is can be along an axis
To the soft resin tape being wound.For example, in the example of Fig. 1 (a), adhesive film 2 is rolled up along long side direction DL and is being rolled up
It takes on roller (batching core) 310.The length (overall length) on long side direction DL for being rolled up the adhesive film 2 on work beam 310 is for example
For 6000m or more 10000m or less.The length of adhesive film 2 on the width direction DW (short side direction) vertical with long side direction DL
Degree, for example, 800mm or more 1500mm or less.
It is for example formed by roll-to-roll mode in the adhesive film 2 on work beam 310 by rolling up.It is rolled up on work beam 310
Adhesive film 2 defined width is processed by severing by roll-to-roll mode, be cut into defined shape, such as conduct later
It protects the Protection glue band of graphite flake set in electronic unit inside and is used.For example, viscous on work beam 310 by rolling up
Film 2 on width direction DW, such as can be divided into multiple with the width of every 100mm by severing.Divided adhesive film
2 can also be batched by other work beams again.In addition, in the attached drawing of present embodiment, using width direction DW as X-axis side
To using long side direction DL as Y direction.
The cross-section structure of adhesive film 2 is illustrated below.
As shown in Fig. 1 (b), adhesive film 2 has resin film 11, roughened layer 15, adhering agent layer 20 and stripping film 30.Scheming
In the example of 1 (b), adhesive film 2 is laminated with the sequence of 30/ adhering agent layer of stripping film, 20/ resin film, 11/ roughened layer 15.
In the present embodiment, sometimes using 30 side of stripping film as downside, using 15 side of roughened layer as upside.
In adhesive film 2, stripping film 30 can be removed from the interface of stripping film 30 and adhering agent layer 20.In this embodiment party
In formula, the composition after stripping film 30 is removed from adhesive film 2 is as adhesive tape 1.Adhesive tape 1 has resin film 11, thick
Face layer 15 and adhering agent layer 20.
Stripping film 30 is arranged on the surface with 11 opposite side of resin film of adhering agent layer 20.In the example of Fig. 1 (b)
In, stripping film 30 is lowest level.Adhering agent layer 20 is arranged on the surface with lower surface 30d opposite sides of stripping film 30.It is viscous
Oxidant layer 20 to be arranged between stripping film 30 and resin film 11.Resin film 11 be arranged at adhering agent layer 20 with stripping film 30
On the surface of opposite side.Resin film 11 is arranged between roughened layer 15 and adhering agent layer 20.Resin film 11 is adhesive film 2
Base material.Roughened layer 15 is arranged on the surface with 20 opposite side of adhering agent layer of resin film 11.
In the example of Fig. 1 (b), roughened layer 15 is top layer.It is roughened when adhesive film 2 is taken up roller 310 and rolls
The upper surface 15u (structural plane) of layer 15 is contacted with stripping film 30 with the face (lower surface 30d) of 20 opposite side of adhering agent layer.
The arithmetic mean roughness Ra of the upper surface 15u (structural plane) of roughened layer 15, there is no particular limitation, but preferably
It it is 0.1 μm or more, more preferably 0.1 μm or more 1.0 μm hereinafter, further preferably 0.2 μm or more 0.5 μm or less.It is roughened
The average height Rc of the roughness curve element of layer 15 is 0.5 μm or more, and preferably 0.5 μm or more 5.0 μm hereinafter, more preferably
0.8 μm or more 3.0 μm hereinafter, further preferably 1.0 μm or more 2.0 μm or less.10 mean roughness of roughened layer 15
There is no particular limitation by Rzjis, but preferably 1.0 μm or more, and more preferably 1.0 μm or more 9.0 μm hereinafter, further preferably
2.0 μm or more 7.0 μm hereinafter, particularly preferably 2.5 μm or more 5.0 μm or less.
By making roughened layer 15 that there is the structural plane in above range, aftermentioned dynamic friction factor can be set as providing
Range.Even if adhesive film 2 is taken up roller 310 and rolls as a result, adhesive film 2 is not easy to cause adhesion and the mixed generation of air,
And when processing slim adhesive film 2 by roll-to-roll mode to batch suitability excellent.In addition, by making roughened layer 15 have
There is the structural plane in above range, 60 ° of mirror surface lusters of the upper surface 15u of aftermentioned roughened layer 15 can be set as to defined
Range.The design when graphite flake 100 for being pasted with adhesive film 2 to be set to the inside of electronic unit as a result, is excellent.
For example, the dynamic friction factor of the lower surface 30d relative to stripping film 30 of the upper surface 15u of roughened layer 15 is 2
Hereinafter, preferably 1.8 hereinafter, more preferably 1.5 or less.There is no particular limitation for the lower limit of dynamic friction factor, but preferably 0.5
More than, more preferably 1 or more.If dynamic friction factor is more than 2, when adhesive film 2 is taken up roller 310 and batches, it is viscous to there is generation
Company or the mixed possibility of air.In addition, when dynamic friction factor is less than 0.5, adhesive film 2 is taken up roller 310 when rolling, it is possible to
Batch dislocation.
In addition, 60 ° of mirror surface lusters of the upper surface 15u of the roughened layer 15 with such roughness, without special
Restriction, but preferably 0.5% or more 50% hereinafter, more preferably 1% or more 9% hereinafter, further preferably 1% or more
5% or less.As a result, since in the graphite flake 100 for being pasted with adhesive film 2, appearance is unglazed style, adhesive tape 1 is set
When being placed in the inside of electronic unit, adhesive tape 1 seems with electronic unit to be in integrated, therefore its design is excellent.
In adhesive film 2, in the Z-axis direction between adjacent layer, it can be in direct contact, it also can mediate contact.It is connecing indirectly
When touching, in the Z-axis direction between adjacent layer, the middle layer (not shown) for improving adherence etc. may be present.In addition, adhesive film
Each layer in 2 can be single layer, can also be made of multiple layers.In addition, in adhesive film 2, it can be in roughened layer 15 and tree
Dyed layer (not shown) is set between adipose membrane 11.
In adhesive film 2, there is no particular limitation for the thickness of stripping film 30, but preferably 20 μm or more 80 μm hereinafter, more
Preferably 20 μm or more 30 μm or less.Here, the thickness of present embodiment refers to, it is aftermentioned thick obtained from multiple point measurement
The average value of degree.
There is no particular limitation for the thickness of adhering agent layer 20, but preferably 1 μm or more 5 μm hereinafter, more preferably 1 μm or more
3 μm or less.If the thickness of adhering agent layer 20 is less than 1 μm, adhering agent layer 20 is low with the adherence of graphite flake, is difficult to sometimes fully
Protect graphite flake.If the thickness of adhering agent layer 20 is more than 5 μm, adhesive film 2 thickens, and is unsatisfactory for the requirement of slimming.
The thickness of resin film 11 is, for example, 1 μm or more 6 μm hereinafter, preferably 1 μm or more 3 μm or less.If resin film 11
Thickness is less than 1 μm, then the intensity of resin film 11 is lower, it is difficult to be transported by roll-to-roll mode.If the thickness of resin film 11
More than 6 μm, then adhesive film 2 thickens, and is unsatisfactory for the requirement of slimming.
The thickness of roughened layer 15 be, for example, 0.5 μm or more 10 μm hereinafter, preferably 0.6 μm or more 3.0 μm hereinafter, more excellent
It is selected as 0.8 μm or more 2.0 μm or less.If the thickness of roughened layer 15 is less than 0.5 μm, it cannot get required structural plane, if slightly
The thickness of face layer 15 is more than 10 μm, then adhesive film 2 thickens, and is unsatisfactory for the requirement of slimming.
By the way that the thickness of each layer is set as above-mentioned range, the thickness of adhesive tape 1 after stripping film 30 is stripped is 10 μ
M or so, adhesive tape 1 are formed very thin.
Fig. 2 is that the graphite flake of the adhesive tape with present embodiment is attached at the state on shell via double faced adhesive tape
Diagrammatic cross-section.
As shown in Fig. 2, the adhesive tape 1 that stripping film 30 has been stripped, such as be attached on graphite flake 100.For example, viscous
The exposed surface for the adhering agent layer 20 of adhesive tape 1 is adhered on the surface of graphite flake 100.In addition, graphite flake 100 is via double faced adhesive tape
Band 101 is attached on shell 102 (for example, electronic unit).As a result, in graphite flake 100, heat is along Z-direction, also along X
Axis direction and Y direction diffusion.The heat distributed as a result, by electronic unit is effectively radiated.
Further, since adhesive tape 1 is very thin, therefore can be the case where not interfering the inner space of small-sized electronic product
Under, it is configured in electronic product.Further, it is unglazed style due to being provided with roughened layer 15 in adhesive tape 1
Appearance.As a result, since adhesive tape 1 seems that with electronic unit be in integrated (seeming to combine together), glue of adhering
Band 1 is not eye-catching, and design is also improved.
In addition, in order not to make the apparent uneven eye-catching of graphite flake 100, to assign the purpose of shielding, adhering
In adhesive tape 1, at least one of adhering agent layer 20, resin film 11 and roughened layer 15 may include colorant, also can in addition be arranged
It is different from the dyed layer of adhering agent layer 20, resin film 11 and roughened layer 15.There is no particular limitation for colorant, but can enumerate
Such as carbon black, titanium oxide, calcium carbonate, barium sulfate, yellow ferric oxide, red ferric oxide, cyanine blue, aluminium powder, mica titanium valve etc..As a result,
Graphite flake 100 it is apparent it is uneven become not eye-catching, 100 apparent aesthetics of graphite flake is further enhanced.That is, will
Being pasted with the design when graphite flake 100 of adhesive film 2 is set to inside electronic unit becomes more excellent.
Material, the assay method of physics value of each layer of adhesive film 2 are as described below.
[resin film]
The resin types of resin film are used in, there is no particular limitation, but can for example enumerate by poly terephthalic acid second
The polyester that the polyester such as diol ester (PET), polybutylene terephthalate (PBT) (PBT), polyethylene naphthalate (PEN) are formed
Film；The cellulose membranes such as polyurethane film, polyethylene film, polypropylene screen, Triafol T；Polychloroethylene film, polyvinylidene chloride
Film, polyvinyl alcohol film, ethylene-vinyl acetate copolymer film, polystyrene film, polycarbonate membrane, acrylic resin film, drop ice
The resin films such as piece vinyl resin film, cycloolefin resin film；The laminated body etc. of these two or more resin films.Resin film can also
It is stretched uniaxially or biaxially.Wherein, from the precision of the thickness that is required, surface smoothness, acquisition with filming
Difficulty is angularly set out, preferably polyester film.As polyester film, particularly preferred PET film.In addition, from dimensional stability and intensity
Angle set out, polyester film is preferably through biaxial stretch-formed film.Wherein, preferably through biaxial stretch-formed PET film.
[dyed layer]
For dyed layer, as long as cooperation colours the color for the electronic unit that adhesive tape is attached or with reconciliation
Color is coloured, then there is no particular limitation, but never makes the apparent uneven angle that is eye-catching, assigning design etc. of ink sheet
Degree sets out, preferably black.
Dyed layer preferably comprises coloured material and binder resin.As binder resin, such as amino first can be enumerated
Acid ester resin, epoxy resin, polyester resin, polyester urethane resin etc..These binder resins can be used alone, and also may be used
Simultaneously using two or more.Wherein, angle excellent from flexibility, with the adherence of roughened layer, binder resin is more
Preferably at least one of polyester resin, polyester urethane resin, more preferably polyester urethane resin.From with
The angle of the adherence of roughened layer is set out, and the glass transition temperature (Tg) of above-mentioned binder resin is preferably -30 DEG C or more
10 DEG C or less.
Dyed layer is preferably cured by curing agent.There is no particular limitation for curing agent, binder resin can be coordinated and
Appropriate selection.When binder resin is polyester urethane resin, as curing agent, such as cured with isocyanates can be enumerated
Agent etc..In addition, there are amine hardener when hydroxyl or isocyanate group, can be used to be used as solidification in polyester urethane resin
Agent.These curing agent can be used alone, and also can be used simultaneously two or more.
As coloured material, known usual pigments or dyes can be used.When dyed layer is black, such as carbon can be enumerated
It is black；For white when, titanium oxide, calcium carbonate, barium sulfate can be enumerated；For yellow when, yellow ferric oxide can be enumerated；For red when,
Red ferric oxide can be enumerated；For blue when, cyanine blue can be enumerated；For silver color when, aluminium powder can be enumerated；For pearl when, can
Enumerate mica titanium valve etc..Wherein, since the concealment of carbon black is excellent, preferably.The content of coloured material in dyed layer,
There is no particular limitation, can be appropriately configured according to concealment etc. as a purpose.For example, dyed layer preferably comprises binder
Resin and relative to 100 parts by weight binder resin be 10 mass parts more than 70 coloured materials below mass part.If
The content of color material is more than 70 mass parts, then there is a possibility that reduce with the adherence of roughened layer, therefore not preferably.It is above-mentioned
Commercial goods can also be used in coloured material, the commercial goods of the coloured material as black, such as can enumerate UTCO-Black
(Dainichiseika Color＆Chemicals Mfg.Co., Lt d. manufactures) etc..
According to required, dyed layer can also further contain transparent resin (medium), antioxidant, ultra-violet absorber, light
The additives such as stabilizer.The thickness of dyed layer is, for example, 0.5 μm or more 10 μm hereinafter, preferably 0.8 μm or more 3 μm or less.
[adhering agent layer]
As the sticker for forming adhering agent layer, there is no particular limitation, such as can be from acrylic compounds sticker, rubber
Sticker, silicone sticker, carbamates sticker, polyesters sticker, Styrene-diene block copolymer analog are viscous
Suitably selection use in sticker well known to agent etc..Sticker may be used alone or in combination using two or more.
It, can be it is preferable to use due to its bonding reliability height as sticker, especially acrylic compounds sticker.
Acrylic compounds sticker, using acrylic polymer as adherence ingredient or host agent, on this basis needed for, including handing over
Join the additives appropriate such as agent, tackifier, softening agent, plasticizer, filler, age resister, colorant.Acrylic polymer
For the polymer using (methyl) alkyl acrylate as monomer main component, according to required, by using can be with (methyl)
Monomer (co-polymerized monomer) that alkyl acrylate is copolymerized and prepare.As (methyl) alkyl acrylate, such as can arrange
Enumerate (methyl) methyl acrylate, (methyl) ethyl acrylate, (methyl) propyl acrylate, (methyl) isopropyl acrylate, (first
Base) butyl acrylate, (methyl) isobutyl acrylate, (methyl) sec-butyl acrylate, (methyl) tert-butyl acrylate, (methyl)
Amyl acrylate, (methyl) Hexyl 2-propenoate, (methyl) heptylacrylate, (methyl) 2-ethyl hexyl acrylate, (methyl) acrylic acid -2-
Ethylhexyl, (methyl) Isooctyl acrylate monomer, (methyl) acrylic acid nonyl ester, the different nonyl ester of (methyl) acrylic acid, (methyl) acrylic acid
Last of the ten Heavenly stems ester, (methyl) isodecyl acrylate, (methyl) acrylic acid hendecane base ester, (methyl) dodecylacrylate, (methyl)
Tridecyl acrylate, (methyl) acrylic acid tetradecane base ester, (methyl) acrylic acid pentadecane base ester, (methyl) acrylic acid ten
Six Arrcostabs, (methyl) acrylic acid heptadecane base ester, (methyl) octadecyl acrylate, (methyl) acrylic acid nonadecyl
(methyl) acrylic acid C1-20 Arrcostabs such as ester, (methyl) acrylic acid eicosane base ester [preferably (methyl) acrylic acid C4-18 alkane
Base (alkyl of straight-chain or branched) ester] etc..(methyl) alkyl acrylate can be fitted according to adherence as a purpose etc.
Work as selection.
In addition, as the co-polymerized monomer that can be copolymerized with (methyl) alkyl acrylate, such as can enumerate
Go out the carboxyl group-containing monomers such as (methyl) acrylic acid, itaconic acid, maleic acid, fumaric acid, crotonic acid, iso-crotonic acid or its acid anhydrides；Ethylene
The monomers containing sulfonic group such as base sodium sulfonate；The aromatic ethenyl compounds such as styrene, substituted phenylethylene；The cyano-containings list such as acrylonitrile
Body；The olefines such as ethylene, propylene, butadiene；The vinyl esters such as vinylacetate；Vinyl chloride；Acrylamide, methacryl
Amine, n-vinyl pyrrolidone, N, the amide-containings monomer such as N- dimethyl (methyl) acrylamide；(methyl) dihydroxypropyl alkane
The hydroxyls monomer such as base ester, glycerol dimethacrylate；(methyl) acrylate, (methyl) acryloyl morpholine etc. contain
Amino monomers；The monomers containing imide such as N-cyclohexylmaleimide, isopropylmaleimide；(methyl) acrylic acid shrinks sweet
Grease, (methyl) acrylic acid methylglycidyl esters etc. contain epoxy based monomers；In addition to 2- methacryloxyethyl isocyanic acids
Other than the monomers containing isocyanate group such as ester, triethylene glycol two (methyl) acrylate, diethylene glycol two (methyl) can be also enumerated
Acrylate, ethylene glycol two (methyl) acrylate, tetraethylene glycol two (methyl) acrylate, neopentyl glycol two (methyl) propylene
Acid esters, 1,6-hexylene glycols two (methyl) acrylate, trimethylolpropane tris (methyl) acrylate, pentaerythrite three (methyl)
Co-polymerized monomer (the multifunctional list of the polyfunctionalities such as acrylate, dipentaerythritol six (methyl) acrylate, divinylbenzene
Body) etc..Co-polymerized monomer may be used alone or in combination using two or more.As co-polymerized monomer, preferably using with hydroxyl
The modification monomer of the functional groups such as base or carboxyl.
(methyl) alkyl acrylate copolymer, the modification with functional group for preferably comprising 0.1~20 mass % are single
Body, particularly preferably the modification monomer with functional group containing 1~10 mass %.
The weight average molecular weight of (methyl) alkyl acrylate copolymer is preferably 200,000~2,000,000, particularly preferably 500,000
~150 ten thousand.In addition, the weight average molecular weight in this specification is to be scaled polyphenyl by what gel permeation chromatography (GPC) method measured
The value of ethylene.
As crosslinking agent, if for functional group is reacted possessed by (methyl) alkyl acrylate copolymer friendship
Join agent, such as isocyanates crosslinking agent, epoxies crosslinking agent, amine cross-linking agent, melamine class crosslinking can be enumerated
Agent, aziridines crosslinking agent, hydrazine crosslinking agent, aldehyde crosslinking agent, oxazoline classes crosslinking agent, metal alkoxide class crosslinking agent, metal
Chelates crosslinking agent, metallic salt crosslinking agent, ammonium salt class crosslinking agent etc., wherein it is preferred that excellent with the reactivity of hydroxyl and carboxyl
Isocyanates crosslinking agent.Crosslinking agent, which can be used alone, one kind or to be applied in combination two or more.
Isocyanates crosslinking agent includes at least polyisocyanate compounds.As polyisocyanate compounds, such as can
Enumerate the aromatic series polyisocyanate such as toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate, benzene dimethylene diisocyanate
Ester；The aliphatic polymeric isocyanates such as hexamethylene diisocyanate；Isophorone diisocyanate, two isocyanide of hydrogenated methylene diphenyld
Ester ring types polyisocyanate such as acid esters etc.；And biuret body, the isocyanuric acid ester body of these compounds further can also arrange
Enumerate as with the low molecules active hydrogen-contg compound such as ethylene glycol, propylene glycol, neopentyl glycol, trimethylolpropane, castor oil
The adduct etc. of reactant, wherein from the reactive angle of the reactive group with (methyl) acrylate polymers
It sets out, the aromatic poly-isocyanate that preferably trimethylolpropane is modified, particularly preferred trimethylolpropane is modified two methylene of benzene
Group diisocyanate and trimethylolpropane modified toluene diisocyanate.
Relative to (methyl) alkyl acrylate copolymer of 100 mass parts, the blended amount of crosslinking agent is preferably 0.1~20
Mass parts, particularly preferably 1~10 mass parts.If the blended amount of crosslinking agent in above-mentioned range, is easy aftermentioned adhesion
The gel fraction of agent controls in preferred range.
In addition, in order to improve the adhesion strength of adhering agent layer, tackifying resin is further preferably added.Further, since by adding this
A little tackifying resins, can improve tensile strength or tensile break strength, therefore by according to used acrylic copolymer,
Tackifying resin is suitably added, tensile strength or tensile break strength can be adjusted.As the adhesive tape for making an addition to the present invention
Adhering agent layer in the rosin resinoid such as tackifying resin, such as ester compounds that rosin or rosin can be enumerated；Diterpene polymerize
The terpene resins such as object or australene-phenol copolymer；The Petropols such as aliphatic category (C5 classes) or aromatic (C9)；In addition may be used
Enumerate styrene resin, phenolic resin, xylene resin etc..Wherein, it is using with (methyl) n-butyl acrylate
In adhesion agent composition as the acrylic copolymer of main monomer component, when taking into account slim, adhesion strength and heat resistance,
It is preferred that being used in mixed way rosin resinoid and styrene resin.
In addition, according to required, adhering agent layer can contain silane coupling agent, antistatic agent, antioxidant, ultraviolet radiation absorption
Agent, light stabilizer, softening agent, filler, adjustable refractive index agent, dyestuff, pigment, antirust agent etc..
[stripping film]
Stripping film is preferably with film base material and the peeling agent layer being set on the film base material.As film base material, can enumerate
It is formed by polyester such as polyethylene terephthalate, polybutylene terephthalate (PBT), polyethylene naphthalate poly-
Ester film, polyolefin film, polycarbonate membrane, the polyvinyl acetate formed by polyolefin such as polyethylene, polypropylene, polymethylpentenes
Any one in the plastic foils such as film or the laminated body etc. that is made of these two or more films.
Peeling agent layer is for example formed by the solidfied material of the peeling agent layer formation composition comprising remover.As remover
Layer formation composition, as long as peeling agent layer can be assigned to shell the arbitrary layer being laminated on peeling agent layer from stripping film
From function, there is no particular limitation.As remover, such as silicone resin, chain alkyl resin and alcohol can be enumerated
Acid resin etc..
As silicone remover, addition reaction-type silicone, condensation reaction type silicone, energy ray-curable silicon can be enumerated
Ketone.In addition, in order to adjust peeling force, can also by the dimethyl silicone polymer of non-functional, phenyl modified silicone, silicone resin,
Silica, cellulose compound are used as additive.
Adhesive film 2 is taken up roller 310 when rolling, the upper surface 15u (structural plane) of roughened layer 15 and stripping film 30 with
The face (lower surface 30d) of 20 opposite side of adhering agent layer contacts.Therefore, the arithmetic mean roughness of the lower surface 30d of stripping film 30
Ra is preferably 50nm hereinafter, more preferably 40nm or less.There is no particular limitation for the lower limit of the Ra of lower surface 30d, but preferably
10nm.There is no particular limitation by the average height Rc of the roughness curve element of lower surface 30d, but preferably 500nm is hereinafter, more
Preferably 450nm or less.There is no particular limitation for the lower limit of the Rc of lower surface 30d, but preferably 100nm.The 10 of lower surface 30d
There is no particular limitation by point mean roughness Rzjis, but preferably 800nm is hereinafter, more preferably 700nm or less.Lower surface 30d
The lower limit of Rzjis there is no particular limitation, but preferably 100nm.
It, can will be with roughened layer by the way that Ra, Rc and Rzjis of the lower surface 30d of stripping film 30 are set as above range
15 dynamic friction factor is set as required range.When adhesive film 2 is taken up roller 310 and rolls as a result, even if roughened layer 15 is upper
Surface 15u is contacted with the lower surface 30d of stripping film 30, since Ra, Rc and Rzjis of the lower surface 30d of stripping film 30 are set as
Above range, therefore adhesive film 2 is not easy to cause adhesion and the mixed generation of air, and slim glue is processed by roll-to-roll mode
When film 2 to batch suitability excellent.
[roughened layer]
About roughened layer, as long as the arithmetic mean roughness Ra of upper surface (structural plane), roughness curve element is flat
Height Rc and 10 mean roughness Rzjis is required range, then to its material, there is no particular limitation.As in adjusting
The method of Ra, Rc and Rzjis of surface 15u can also include by carrying out the method for roughening treatment or be set as roughened layer
Method of layer of at least one of inorganic particle and organic granular etc. adjusts above-mentioned roughness etc..As the roughened place of progress
The method of reason can enumerate the method for carrying out Corona discharge Treatment, blasting treatment, coarse roller surface is crimped on upper surface
Method etc. of the surface to transfer the roughness of roller surface.In addition, by making roughened layer contain particle, can adjust above-mentioned thick
Rugosity etc..
Wherein, roughened layer preferably comprises particle and binder resin, more preferably comprising in inorganic particle and organic granular
At least any one, further preferably include inorganic particle and binder resin.By adjusting inorganic particle and/or organic
Average grain diameter, the blended amount etc. of grain, can also easily adjust above-mentioned roughness etc..Inorganic particle and/or organic granular it is flat
Equal grain size can be more than the thickness of roughened layer.
As binder resin, there is no particular limitation, can enumerate thermoplastic resin, thermosetting resin, light-cured resin
Deng, such as carbamate resins, epoxy resin, polyester resin, polyester urethane resin can be enumerated etc..These are bonded
Agent resin can be used alone, and also can be used simultaneously two or more.Wherein, since flexibility is excellent, preferred thermoplastic resin, preferably
Carbamate resins, polyester resin, polyester urethane resin.When roughened layer includes particle, from the angle of compatibility
It sets out, binder resin is more preferably at least one of polyester resin, polyester urethane resin.
Roughened layer can be cured by curing agent.There is no particular limitation for curing agent, binder resin can be coordinated and
Suitably selected.When binder resin is polyester urethane resin, as curing agent, such as isocyanates can be enumerated
Curing agent etc..In addition, can amine hardener be used as solidification there are when hydroxyl or isocyanate group in polyester urethane resin
Agent.These curing agent can be used alone, and also can be used simultaneously two or more.In addition, can contain according to required, in roughened layer same
Sample is contained in the additives such as antioxidant, ultra-violet absorber, light stabilizer in dyed layer.
[particle]
There is no particular limitation for organic granular, such as can enumerate the acrylic resins such as poly methyl methacrylate particle
Grain, granules of polystyrene, polycarbonate pellets, carbamate resins pearl, epoxy bead, polyester resin pearl, Amino-Polyester
Formate resin pearl etc..These particles can be used alone, and also can be used simultaneously two or more.
As inorganic particle, there is no particular limitation, such as can enumerate silica (SiO2), barium sulfate (BaSO4), oxygen
Change in titanium, the particles such as calcium carbonate at least any one.These inorganic particles can be used alone, also can be used simultaneously two kinds with
On.Wherein, the angle of the difficulty of the difficulty and acquisition that are adjusted from granularity, preferably silica, barium sulfate
(BaSO4) or silica and barium sulfate (BaSO4) mixture.
The volume ratio ([volume of silica] of silica and barium sulfate：[volume of barium sulfate]) it is preferably controlled in
100：50~100：In the range of 500.In addition, there is no particular limitation for the content of above-mentioned particle, but relative to 100 mass parts
Binder resin, more than preferably 40 mass parts 150 is below mass part, and more than more preferably 50 mass parts 140 is below mass part,
More than further preferably 60 mass parts 130 is below mass part, and more than particularly preferably 80 mass parts 125 is below mass part.If
Binder resin relative to 100 mass parts, particle content is less than 40 mass parts, then there is the upper surface of roughened layer 15
60 ° of mirror surface lusters that the dynamic friction factor of the lower surface 30d relative to stripping film 30 of 15u is more than 2, roughened layer 15 are more than
50% possibility.
Inorganic particle and organic granular can be mixed in roughened layer 15.It can be in the upper surface of roughened layer 15
Expose inorganic particle or organic granular on 15u.
There is no particular limitation for the average grain diameter of above-mentioned particle, but preferably 0.5 μm or more 10 μm hereinafter, more preferably 1 μ
5 μm of m or more is hereinafter, further preferably 1.5 μm or more 3.0 μm or less.When above-mentioned average grain diameter beyond above range when, become
It must be difficult to for the average height (Rc) of roughness curve element to be adjusted to the average height (Rc) of required roughness curve element
In the range of, therefore not preferably.
In addition, in adhesive film 2, when at least one of silica, barium sulfate particle are dispersed in roughened layer 15
When interior, by changing the blend ratio of silica dioxide granule and barium sulfate particle in roughened layer 15, roughened layer can be expanded
The selecting range of 15 color.For example, the content by relative increasing barium sulfate particle, the indigo plant in the color of roughened layer 15
Discoloration obtains stronger.In addition, the content by relatively reducing barium sulfate particle, can reduce by 60 ° of specular lights of roughened layer 15
Damp degree.That is, the blend ratio by changing silica dioxide granule and barium sulfate particle, can further expand 100 appearance of graphite flake
On color selecting range.Furthermore it is possible to further expand the selection of the aesthetics for the graphite flake 100 for being pasted with adhesive film 2
Amplitude.
In addition, when particle is dispersed in roughened layer 15, when adhesive film 2 is taken up roller 310 and batches, or in adhesive film
2 when being transferred, and scratch equivalent damage is not likely to produce on the upper surface 15u of roughened layer 15.The productivity of adhesive film 2 obtains as a result,
It is improved to further.
[average grain diameter measurement]
The average grain diameter of particle can be measured by coulter counter method.For example, will be measured by coulter counter method
Peak value is as average grain diameter.
[measurement of thickness]
For the thickness measurement of each layer of adhesive film 2, there is no particular limitation, well known thickness gauge can be used, such as make
With film thickness gauge (the film thickness gauge DIGIMICRO MH-15M that Nikon Corporation are manufactured).
[manufacturing method of adhesive film]
Hereinafter, being illustrated to the manufacturing process of the adhesive film of present embodiment, but not limited to this.Fig. 3 (a) and figure
3 (b) is the schematic diagram illustrated to the manufacturing process of the adhesive film of present embodiment.In the present embodiment, pass through volume pair
Volume mode manufactures adhesive film 2.Such as adhesive film 2 is manufactured in an atmosphere.Arrow DR in figure indicates the traffic direction of film.Operation side
Correspond to long side direction DL to DR.
As shown in Fig. 3 (a), stripping film 30 by roll out roller 211 from then by continuously release from rolling out roller 211, pass through
Coating mechanism 220 is directed to by deflector roll 250a.The surface that peeling agent layer is formed in stripping film 30 (forms the table of adhering agent layer 20
Face) on.
By coating mechanism 220, in the coating fluid for being coated with adhering agent layer 20 from the stripping film 30 for rolling out the releasing of roller 211.
Stripping film 30 with adhering agent layer 20 is directed to hothouse 230 via deflector roll 250b, at an established temperature, for example (,) it is dry
5 minutes 10 seconds or more or less.Being formed as a result, has stripping film 30 and adhering agent layer 20, stripping film with adhering agent layer
51.Stripping film 51 with adhering agent layer is directed to via deflector roll 250c attaches mechanism 240.
By attach mechanism 240, resin film 11 be attached at be directed to attach mechanism 240, it is with adhering agent layer
On the adhering agent layer 20 of stripping film 51.For example, the stripping film 51 with adhering agent layer is clamped between roller 240b and roller 240c,
Resin film 11 rolling out roller 240a between roller 240b and roller 240c by releasing.
Resin film 11 is fitted on adhering agent layer 20 as a result, and being formed has stripping film 30, adhering agent layer 20 and resin film
11 adhesive film 52.Later, adhesive film 52 is taken up roller 210 and continuously batches via deflector roll 250d.
Then, as shown in Fig. 3 (b), the adhesive film 52 on rolling out roller 311 is taken up by rolling out transferring certainly for roller 311
It is continuously released, coating mechanism 320 is directed to via deflector roll 350a.By coating mechanism 320, it is coated on resin film 11
The coating fluid of roughened layer 15.
The adhesive film 52 for being coated with the coating fluid of roughened layer 15 is directed to hothouse 330 via deflector roll 350b, is advising
It is dried at fixed temperature.It is formed in the adhesive film 2 that roughened layer 15 is provided on the resin film 11 of adhesive film 52 as a result,.
Then, adhesive film 2 is taken up roller 310 and continuously batches via deflector roll 350c.In addition, in adhesive film 2, when roughened layer 15
When being provided with dyed layer between resin film 11, the process for forming dyed layer can be set between Fig. 3 (a) and Fig. 3 (b).
In addition, for the coating method of coating mechanism 220 and coating mechanism 320, for example, can be suitably used scraper rubbing method,
Scraper for coating method (knife coat method), roller coating method, scraping blade rubbing method (blade coat method), die coating
Any one method in method (die coating method), gravure coating method etc..
Embodiment
Hereinafter, the present invention is described in further detail by embodiment etc., but the scope of the present invention is not by this
The restriction of a little embodiments etc..
[embodiment 1]
The preparation ＞ of ＜ adherence compositions
By by the acrylic acid -2- hydroxyls of the butyl acrylate of 95.5 mass parts, the vinylacetate of 3 mass parts, 1 mass parts
The acrylic acid copolymer of base ethyl ester and 0.5 mass parts prepares the acrylate copolymer that weight average molecular weight is 1,000,000.Then, pass through
(it is scaled solid constituent relative to 100 mass parts；It is same as below) the acrylate copolymer, add 25 mass parts hydrogenation
Rosin ester (Araka wa Chemical Industries, Ltd. manufactures, PINECRYSTAL KE-100, softening point：100
DEG C), (Arakawa Chemical Industries, Ltd. manufactures, Pensel D-135 are soft for the newtrex esters of 4 mass parts
Change point：135 DEG C) and 24 mass parts petroleum resinoid (Mitsui Chemicals, Inc. manufacture, FTR6100, softening point：95
DEG C), it further mixes, forms adhesion ingredient.Adhesion ingredient is dissolved in toluene, it is 13 mass %'s to prepare solid component concentration
Adhesion agent solution.
The preparation ＞ of ＜ roughened layer coating solution As
Roughened layer coating solution A is prepared by following manner, i.e.,：Relative to 100 mass parts (be scaled solid at
Point) polyester resin (TOYOBO CO., the LTD. manufacture as binder resin:Vylon 20SS), 22 mass parts of addition
Silicon dioxide microparticle (Tosoh Silica Corporation manufactures, NIPSIL SS50B, 2.1 μm of average grain diameter), 100 mass
Barium sulfate particles (Sakai Chemical Industry Co., the Ltd. manufactures of part：BMH, 2.5 μm of average grain diameter), use first
Benzene/methyl ethyl ketone (MEK) mixed solvent (toluene：MEK (mass ratio)=50：50) solid component concentration is adjusted to 20 mass %.
The manufacture ＞ of ＜ adhesive films
Silicone remover will be used to have carried out the stripping of lift-off processing to the single side of polyethylene terephthalate film
Film (LINTEC Corporation manufacture SP-PET251130, and the Ra of the lower surface 30d of stripping film is 34nm, Rc 400nm,
Rzjis is 672nm, and thickness is 25 μm) it releases, in such a way that the thickness after drying becomes 2 μm, using knife type coater, at it
After being coated with the coating solution of adherence composition on lift-off processing face, obtained film is carried out at 90 DEG C to add within 1 minute
Heat treatment forms the adhering agent layer that thickness is 2 μm on stripping film.Then, it is bonded and makees in the exposed surface side of above-mentioned coating layer
For the polyethylene terephthalate film (Toray Industries, Inc., ET2F51L, 2 μm of thickness) of resin film, by institute
Obtained adhesive film coils into web-like.
Then, it is cured 7 days, is made by removing under conditions of 23 DEG C, 50%RH by the way that the adhesive film of web-like will be coiled into
Film/adhering agent layer (thickness：2 μm)/resin film (thickness：2 μm) constitute adhesive film.
Then, it releases and is rolled into the adhesive film of web-like, by gravure coater by black ink (Dainichiseika
Color＆Chemicals Mfg.Co., Ltd. manufactures, " UTCO-591Black (NX) ") it is coated in resin film surface, further
Heated, forms the dyed layer that thickness is 1 μm on adhesive film.Then, obtained coloring adhesive film is batched in rolls
Shape.
Then, the coloring adhesive film for being rolled into web-like is released, in such a way that the thickness after drying becomes 1 μm, uses notch board
After coating machine is coated with roughened layer coating solution A in its coloring level, obtained film is carried out 1 minute at 90 DEG C
Heat treatment forms the roughened layer that thickness is 1 μm.Then, obtained coloring adhesive film is coiled into web-like.
[embodiment 2]
Other than being not provided with dyed layer, adhesive film has been obtained in the same manner as example 1.
[embodiment 3]
In addition to being added to roughened layer relative to the total of the solid constituent of binder resin and colorant in coating solution
Amount be 25wt%, as the carbon black of colorant other than, obtained adhesive film in the same way as in example 2.
[embodiment 4]
Other than using roughened layer coating solution B, adhesive film has been obtained in the same manner as example 1.
The preparation ＞ of ＜ roughened layer coating solution Bs
Roughened layer coating solution B, is prepared, i.e., by following manner：Relative to 100 mass parts (be scaled solid at
Point) polyester resin (TOYOBO CO., the LTD. manufacture as binder resin:Vylon 20SS), 117 mass parts of addition
Silicon dioxide microparticle (Tosoh Silica Corporation manufactures, NIPSIL SS50B, 2.1 μm of average grain diameter), uses first
Benzene/methyl ethyl ketone (MEK) mixed solvent (toluene：MEK (mass ratio)=50：50) solid component concentration is adjusted to 20 mass %.
[embodiment 5]
In addition to silicone remover will be used to have carried out lift-off processing to the single side of polyethylene terephthalate film
(SP-PET381130 of LINTEC Corporation manufactures, the Ra of the lower surface 30d of stripping film is 29nm to stripping film, and Rc is
320nm, Rzjis 666nm, thickness are 38 μm) it is used as other than stripping film, it is adhered in the same manner as example 1
Film.
[comparative example 1]
Other than not forming roughened layer, adhesive film has been obtained in the same manner as example 1.
[surface roughness measurement]
Using contact surface roughometer (Mitutoyo Corporation manufacture, trade name " SV3000S4 "),
According to JIS B 0601-2001, measure the surface of roughened layer, the surface of dyed layer and stripping film with adhering agent layer opposite side
Surface (lower surface 30d) roughness curve element average height Rc, arithmetic mean roughness Ra and 10 average roughness
Spend Rzjis.
[60 ° of mirror surface lusters]
Use NIPPON DENSHOKU INDUSTRIES Co., the glossometer " VG7000 " of Ltd manufactures, according to JIS K
7105, measure 60 ° of mirror surface lusters on the surface of roughened layer or the surface of dyed layer.
[dynamic friction factor measurement]
According to JIS K 7125, the roughened layer surface of adhesive film and the table with adhering agent layer opposite side of stripping film are measured
The dynamic friction factor or dyed layer in face (lower surface 30d) and the surface (lower surface 30d) with adhering agent layer opposite side of stripping film
Dynamic friction factor.It is 200g by load setting, uses precision universal testing machine Autograph AG-IS in the assay
(Shimadzu Corporation manufactures).
[measurement of the thickness of each layer]
The thickness of resin film, stripping film and each layer passes through simple type number length measurement system (Nikon Corporation systems
Make, trade name " DIGIMICRO MH-15M ") it is measured.
Table 1 show Examples 1 to 5, comparative example 1 adhesive film composition, table 2 shows Examples 1 to 5, comparative example 1
The surface roughness of roughened layer of adhesive film, the surface roughness of dyed layer, the surface roughness of stripping film, roughened layer
Or dyed layer is batched relative to the dynamic friction factor of stripping film, 60 ° of mirror surface lusters of the structural plane of adhesive film, adhesive film
The design of suitability and adhesive film is evaluated.
[batching suitability evaluation]
In each process, when visual observations coil into web-like whether there is or not adhesion, whether there is or not air to be mixed into (fold), according to following bases
Suitability is batched in quasi- evaluation.Herein, suitability is batched in table 2, A, B have following meanings：
A：It does not stick together completely and air is mixed into, suitability is batched for stable.
B：It sticks together or air is mixed into, to there is the range of the possibility generated in practical.
[design evaluation]
The adhesive film for having removed stripping film is fitted on the graphite flake " SGS-025-APH " of Selen.Inc. manufactures, is cut
It is cut into the size of 50mm × 50mm, makes evaluation sample.Under fluorescent light by the adhesion film surface of the visual observations sample, with
Following benchmark are evaluated.The visual observations are carried out by object of 5 subjects, and have carried out comprehensive descision.Herein, in table 2
Design evaluation in, A, B have following meanings：
A：The gloss for confirming adhesion film surface is not almost estimated or dazzle, design are good.
B：Range estimation confirms gloss or the dazzle of adhesion film surface, and design is impaired.
[table 1]
| The composition of adhesive film | |
| Embodiment 1 | Stripping film/adhering agent layer/resin film/dyed layer/roughened layer |
| Embodiment 2 | Stripping film/adhering agent layer/resin film/roughened layer |
| Embodiment 3 | Stripping film/adhering agent layer/resin film/roughened layer (contains colorant) |
| Embodiment 4 | Stripping film/adhering agent layer/resin film/dyed layer/roughened layer |
| Embodiment 5 | Stripping film/adhering agent layer/resin film/dyed layer/roughened layer |
| Comparative example 1 | Stripping film/adhering agent layer/resin film/dyed layer |
[table 2]
As shown in table 2, in Examples 1 to 5, the Rc of the roughened layer as top layer is 0.5 μm or more, roughened
The dynamic friction factor relative to stripping film of layer is 2 or less.At this point, it is " A " to batch suitability.On the other hand, in comparative example 1
In, the Rc of the dyed layer as top layer is 0.33 μm, is less than 0.5 μm, the dynamic friction factor relative to stripping film of dyed layer
It is 2.4 more than 2.At this point, it is " B " to batch suitability.
In addition, in Examples 1 to 5,60 ° of mirror surface lusters are 0.5% or more 50% or less.At this point, design is commented
Valence is " A ".On the other hand, in comparative example 1,60 ° of mirror surface lusters are 63.9%, are more than 50%.At this point, design is evaluated as
“B”。
More than, embodiments of the present invention are illustrated, but the present invention can be subject to various changes completely, and not
It is only limitted to above-mentioned embodiment.
Claims (16)
1. a kind of adhesive film, for the adhesive film of protection graphite flake, which has：
Stripping film；
Adhering agent layer is arranged on the surface of the stripping film；
Resin film is arranged on the surface with the stripping film opposite side of the adhering agent layer；And
Roughened layer is arranged on the surface with the adhering agent layer opposite side of the resin film, and has roughness
The average height Rc of curve element is 0.5 μm or more, is 2 structural planes below relative to the dynamic friction factor of the stripping film.
2. adhesive film according to claim 1, wherein the roughened layer includes particle and binder resin.
3. adhesive film according to claim 1 or 2, wherein the structural plane has 0.5% or more 50% 60 ° below
Mirror surface luster.
4. adhesive film according to claim 1, wherein in the adhering agent layer, the resin film and the roughened layer
At least one contain colorant.
5. adhesive film according to claim 1, wherein the thickness of the adhering agent layer is 1 μm or more 5 μm or less.
6. adhesive film according to claim 1, wherein the thickness of the resin film is 1 μm or more 6 μm or less.
7. adhesive film according to claim 1, wherein the thickness of the roughened layer is 0.5 μm or more 10 μm or less.
8. adhesive film according to claim 1, wherein the dynamic friction factor relative to the stripping film of the structural plane
It is 0.5 or more 1.5 or less.
9. adhesive film according to claim 1, wherein the arithmetic mean roughness Ra of the structural plane is 0.1 μm or more
1.0 μm or less.
10. adhesive film according to claim 1, wherein the average height Rc of the roughness curve element of the structural plane
It is 0.5 μm or more 5.0 μm or less.
11. adhesive film according to claim 1, wherein 10 mean roughness Rzjis of the structural plane are 1.0 μm
Above 9.0 μm or less.
12. adhesive film according to claim 1, wherein the roughness curve element of the lower surface of the stripping film is put down
Height Rc is 500nm or less.
13. adhesive film according to claim 2, wherein in the roughened layer, the bonding relative to 100 mass parts
The content of agent resin, the particle is that 40 mass parts or more 150 are below mass part.
14. adhesive film according to claim 1, wherein the roughened layer includes colorant.
15. adhesive film according to claim 1, wherein above-mentioned adhesive film is formed long sheet.
16. adhesive film according to claim 1, wherein the adhering agent layer, the resin film and the roughened layer quilt
It is attached on the surface of graphite flake set in electronic unit inside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016255754A JP6170608B1 (en) | 2016-12-28 | 2016-12-28 | Adhesive film |
| JP2016-255754 | 2016-12-28 |
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| Publication Number | Publication Date |
|---|---|
| CN108610999A true CN108610999A (en) | 2018-10-02 |
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|---|---|---|---|
| CN201710952204.9A Withdrawn CN108610999A (en) | 2016-12-28 | 2017-10-13 | Adhesive film |
| CN201721318854.XU Active CN207391332U (en) | 2016-12-28 | 2017-10-13 | Adhesive film |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721318854.XU Active CN207391332U (en) | 2016-12-28 | 2017-10-13 | Adhesive film |
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| JP7305175B2 (en) * | 2018-08-30 | 2023-07-10 | アイリスオーヤマ株式会社 | adhesive roll |
| WO2024043275A1 (en) * | 2022-08-24 | 2024-02-29 | ダイヤテックス株式会社 | Laminate and adhesive tape comprising laminate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005343908A (en) * | 2004-05-31 | 2005-12-15 | Lintec Corp | Pressure-sensitive adhesive sheet and its manufacturing method |
| JPWO2010113742A1 (en) * | 2009-03-31 | 2012-10-11 | 東洋紡績株式会社 | Polypropylene resin film for surface protection and surface protection film |
| JP5315224B2 (en) * | 2009-12-18 | 2013-10-16 | 信越ポリマー株式会社 | Label coating film, adhesive film and laminated film |
| JP6003037B2 (en) * | 2011-09-29 | 2016-10-05 | Dic株式会社 | Colored adhesive tape |
| JP5896208B2 (en) * | 2011-11-25 | 2016-03-30 | Dic株式会社 | Colored film and colored adhesive tape |
| JP6101395B1 (en) * | 2016-12-28 | 2017-03-22 | リンテック株式会社 | Colored adhesive film |
-
2016
- 2016-12-28 JP JP2016255754A patent/JP6170608B1/en active Active
-
2017
- 2017-10-13 CN CN201710952204.9A patent/CN108610999A/en not_active Withdrawn
- 2017-10-13 CN CN201721318854.XU patent/CN207391332U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN207391332U (en) | 2018-05-22 |
| JP2018104640A (en) | 2018-07-05 |
| JP6170608B1 (en) | 2017-07-26 |
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| PB01 | Publication | ||
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Application publication date: 20181002 |