CN104946144B - Polysiloxane-based adhesive tape - Google Patents
Polysiloxane-based adhesive tape Download PDFInfo
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- CN104946144B CN104946144B CN201510134984.7A CN201510134984A CN104946144B CN 104946144 B CN104946144 B CN 104946144B CN 201510134984 A CN201510134984 A CN 201510134984A CN 104946144 B CN104946144 B CN 104946144B
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Abstract
The present invention relates to polysiloxane-based adhesive tapes.It is light removing that the present invention, which is provided to adherend, can inhibit bonding force through Shi Shangsheng, can through when keep the bonding force gently removed, and even if through when save after can achieve the polysiloxane-based adhesive tape gently removed.Polysiloxane-based adhesive tape of the invention is characterized in that, there is the polysiloxane-based adhesive phase containing polysiloxane type polymers and polysiloxane-based remover at least one surface side of base film, Initial adhesion is 0.01~0.10N/25mm, the value of following formula (1) is 80 or less: (bonding force A)/(bonding force B) × 100 (1), bonding force A: pasting on glass and after being saved 48 hours at 85 DEG C to the bonding force of glass, bonding force B: to the bonding force of glass after being saved 48 hours on the adhesive tape joining to glass that base film surface side has the polysiloxane-based adhesive phase without containing polysiloxane-based remover and at 85 DEG C.
Description
Technical field
The present invention relates to polysiloxane-based adhesive tapes.
Background technique
Adhesivity, heat resistance, chemical-resistant, the weatherability of polysiloxane-based adhesive tape etc. are excellent, therefore in various necks
It is used in domain.For example, using the polysiloxanes of a mask polysiloxane class adhesive phase in film of synthetic resin substrate
Class adhesive tape (referring to patent document 1), with by containing organopolysiloxane, the organopolysiloxane with hydrosilyl group,
The polysiloxane-based adhesive tape for the polysiloxane-based adhesive phase that the polysiloxane-based adhesive composition of platinum based catalyst is formed
(referring to patent document 2) etc..But above-mentioned polysiloxane-based adhesive tape exist to the bonding force of adherend through when rise ask
Topic.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 10-338852 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2002-180025 bulletin
Summary of the invention
Problem to be solved by the invention
In addition, for polysiloxane-based adhesive tape, it is desirable that even if through when save after to the bonding force of adherend
The power that contact gently to remove, i.e. by adhesive surface with adherend generates is small.
It therefore, is light removing to adherend the purpose of the present invention is to provide a kind of polysiloxane-based adhesive tape, it can be with
Inhibit bonding force through Shi Shangsheng, can through when keep the bonding force gently removed, and even if through when save after can reach it is light
Removing.
The means used to solve the problem
Therefore, present inventor has performed researchs extensively and profoundly, as a result, it has been found that, with polysiloxane-based adhesive phase
In polysiloxane-based adhesive tape, when making polysiloxane-based adhesive phase contain polysiloxane-based remover and by bonding force tune
When saving in prescribed limit, can through when keep certain adhesiveness, and even if through when save after can make to being glued
The bonding force of object is light removing, so as to complete the present invention.
That is, the present invention provides a kind of polysiloxane-based adhesive tape, which is characterized in that
Have at least one surface side of base film containing polysiloxane type polymers and polysiloxane-based remover
Polysiloxane-based adhesive phase,
Initial adhesion is 0.01~0.10N/25mm,
The value of following formula (1) be 80 hereinafter,
(bonding force A)/(bonding force B) × 100 (1)
Bonding force A: pasting on glass and after being saved 48 hours at 85 DEG C to the bonding force of glass；
Bonding force B: polysiloxane-based without containing polysiloxane-based remover by having base film surface side
To the bonding force of glass after being saved 48 hours on the adhesive tape joining to glass of adhesive phase and at 85 DEG C.
The content of polysiloxane-based remover is relative to 100 parts by weight polysiloxanes in the polysiloxane-based adhesive phase
Quasi polymer is preferably 0.2 parts by weight or more and 100 parts by weight or less.
The mist degree of the polysiloxane-based adhesive phase is preferably 1.5% or less.
The base film is preferably polyester film.
Invention effect
Polysiloxane-based adhesive tape of the invention has above-mentioned composition, therefore is light removing to adherend, can inhibit viscous
Resultant force through Shi Shangsheng, can through when keep the bonding force gently removed, and even if through when save after can also reach light removing.
Therefore, it can also simply remove from adherend and be glued without damaging even across for a long time after pasting on adherend
Object, and even if through when save after, the bonding force to adherend can also be reduced.
Specific embodiment
[polysiloxane-based adhesive tape]
Polysiloxane-based adhesive tape of the invention at least has containing the polysiloxane type polymers as basic polymer
With the polysiloxane-based adhesive phase (polysiloxane-based formation of pressure-sensitive adhesive layer) of polysiloxane-based remover.It should be noted that
In this specification, above-mentioned " is glued containing polysiloxane type polymers and the polysiloxane-based of polysiloxane-based remover sometimes
Mixture layer " is known as " polysiloxane-based adhesive phase A ".
In addition, " adhesive tape " also includes the meaning of " bonding sheet " in this specification.In addition, in this specification, sometimes by shape
The composition used when at above-mentioned polysiloxane-based adhesive phase A is known as " polysiloxane-based adhesive composition A ".Adhesive group
Closing object is the composition for being used to form adhesive phase, the meaning of the composition including being used to form adhesive.
Polysiloxane-based adhesive tape of the invention has polysiloxane-based adhesive at least one surface side of base film
Layer A.That is, polysiloxane-based adhesive tape of the invention is band substrate adhesive tape.In addition, polysiloxane-based adhesive tape of the invention can
Think that only there is the adhesive tape of the single side adhesion type of adhesive surface in a face, or there is the two-sided of adhesive surface in two faces
The adhesive tape of adhesion type.In addition, of the invention is polysiloxane-based when polysiloxane-based adhesive tape of the invention is double-faced adhesive tape
Adhesive tape can have the form that two adhesive surfaces are provided by polysiloxane-based adhesive phase A, it is possible to have an adhesive surface
It is provided by polysiloxane-based adhesive phase A, another adhesive surface is by another adhesive phase (other than polysiloxane-based adhesive phase A
Adhesive phase) provide form.
Polysiloxane-based adhesive tape of the invention can be with other than base film and polysiloxane-based adhesive phase A
With adhesive phase (other adhesive phases), the other layers (such as middle layer, priming coat etc.) other than adhesive phase A.In addition, this
The adhesive layer surface (adhesive surface) of the polysiloxane-based adhesive tape of invention can be protected by release liner.
(polysiloxane-based adhesive phase A)
Polysiloxane-based adhesive tape of the invention at least has polysiloxane-based adhesive phase A.Polysiloxane-based adhesive
Layer A at least contains polysiloxane-based quasi polymer and polysiloxane-based remover as basic polymer.Of the invention is poly-
In silicone based adhesive band, it is light release surface by the adhesive surface that polysiloxane-based adhesive phase A is provided, bonding force can be inhibited
Through Shi Shangsheng, certain adhesiveness can be kept.Speculate this is because: poly- silicon oxygen contained in polysiloxane-based adhesive phase A
Alkanes remover is uniformly present in the surface polysiloxane-based adhesive phase A and solidifies.
Polysiloxane-based adhesive phase A contains polysiloxane type polymers as basic polymer.Polysiloxane-based bonding
The content of polysiloxane type polymers is not particularly limited in oxidant layer A, relative to polysiloxane-based adhesive phase A total amount (100 weights
Amount %) preferably comprise 50 weight % or more, more preferably 60 weight % or more.
Above-mentioned polysiloxane-based adhesive phase A is formed by polysiloxane-based adhesive composition A.As above-mentioned polysiloxanes
Class adhesive phase A, is not particularly limited, and can be preferably listed for example: by the polysiloxane-based adhesive group of peroxide crosslinking type
Close object (the polysiloxane-based adhesive composition of peroxide curing type) or the polysiloxane-based adhesive composition of addition reaction-type
The polysiloxane-based adhesive phase formed, can more preferably enumerate and be formed by the polysiloxane-based adhesive composition of addition reaction-type
Polysiloxane-based adhesive phase A.
In addition, as polysiloxane-based adhesive composition A, the preferred adhesive composition of class containing phenyl polysiloxane.Make
It for the above-mentioned adhesive composition of class containing phenyl polysiloxane, can enumerate for example: polymethyl-benzene based polysiloxane class adhesive group
Close polyoxyethylene alkylphenyls based polysiloxane class adhesive compositions such as object, polyphenylethyl based polysiloxane class adhesive composition etc..
As the polysiloxane-based adhesive composition of above-mentioned addition reaction-type, preferably by the organopolysiloxane with phenyl
(the addition reaction-type adhesive of class containing the phenyl polysiloxane combination of the polysiloxane-based adhesive composition of obtained addition reaction-type
Object).As organic poly- silicon oxygen with phenyl in such addition reaction-type class containing phenyl polysiloxane adhesive composition
Alkane can be enumerated for example: polymethylphenylsiloxane (polymethyl-benzene based polysiloxane), polyphenylethyl radical siloxane (poly- ethyl
Phenyl polysiloxane) etc. polyalkylphenylsilox,nes (polyoxyethylene alkylphenyl based polysiloxane) etc..
The above-mentioned polysiloxane-based adhesive composition of addition reaction-type preferably comprises silicon rubber and organic siliconresin.
As above-mentioned silicon rubber, as long as polysiloxane-based rubber constituent is then not particularly limited, preferably comprising has
The silicon of the organopolysiloxane (especially using methyl phenyl siloxane as the organopolysiloxane of main composition unit) of phenyl
Rubber.In organopolysiloxane in such silicon rubber, the various functional groups such as vinyl can be introduced as needed.In addition,
The weight average molecular weight of above-mentioned organopolysiloxane is not particularly limited, and preferably 150,000 or more, more preferably 280,000~1,000,000,
Further preferably 500,000~900,000.
In addition, as above-mentioned organic siliconresin, as long as being used for polysiloxane-based adhesive (polysiloxane-based pressure-sensitive adhesive
Agent) polysiloxane-based resin, then be not particularly limited, can enumerate for example: the organosilicon tree containing organopolysiloxane
Rouge, the organopolysiloxane include to have selected from by Component units " R3-Si1/2" constitute M unit, by Component units " SiO2”
The Q unit of composition, by Component units " R-SiO3/2" constitute T unit and by Component units " R2The D unit that-SiO " is constituted is extremely
A kind of (co) polymer of few unit.In addition, the R in above-mentioned Component units indicates alkyl or hydroxyl.It, can be with as above-mentioned alkyl
It enumerates for example: aliphatic alkyl (alkyl such as methyl, ethyl etc.), alicyclic type hydrocarbon (naphthenic base such as cyclohexyl etc.), aromatic hydrocarbon
Base (aryl such as phenyl, naphthalene etc.) etc..As above-mentioned " M unit " and " at least one list selected from Q unit, T unit and D unit
The ratio (ratio) of member ", such as the former/the latter's (molar ratio) is preferably 0.3/1~1.5/1 (preferably 0.5/1~1.3/1).
In organopolysiloxane in above-mentioned organic siliconresin, the various functional groups such as vinyl can be introduced as needed.
In addition, the functional group introduced can be the functional group that can crosslink reaction.Organopolysiloxane in organic siliconresin
Weight average molecular weight is preferably 1000 or more, and more preferably 1000~20000, further preferably 1500~10000.
The mixing ratio of above-mentioned silicon rubber and above-mentioned organic siliconresin is not particularly limited, relative to 100 weight of silicon rubber
Part, organic siliconresin is preferably 100~220 parts by weight (especially 120~180 parts by weight).
In addition, in the polysiloxane-based adhesive composition containing silicon rubber and organic siliconresin, silicon rubber and organic
Silicone resin can be the admixture being simply mixed, or being reacted by the mixing silicon rubber with organic siliconresin becomes
The condensed state of condensation product (especially partial condensate).
In addition, polysiloxane-based adhesive phase A contains polysiloxane-based remover.As above-mentioned polysiloxane-based removing
Agent is not particularly limited, and can enumerate for example: thennoset polysiloxane class remover, ionizing radiation curable are polysiloxane-based
Remover etc..In addition, polysiloxane-based remover can for without solvent no-solvent type, be dissolved or dispersed in organic solvent
It is solvent type any one.In addition, polysiloxane-based remover may be used singly or two or more in combination.
As above-mentioned thennoset polysiloxane class remover, be not particularly limited, preferably comprise organic hydrogen polysiloxanes and
Organopolysiloxane with unsaturated group of aliphatic series.In addition, above-mentioned polysiloxane-based remover is preferably by hot addition
Reaction causes to be crosslinked and carry out the cured polysiloxane-based remover of thermal addition reaction curability.
It as the above-mentioned polysiloxane-based remover of thermal addition reaction curability, is not particularly limited, can be preferably listed: packet
Containing there is the polysiloxanes (based polysiloxane containing Si-H) of hydrogen atom (H) being bonded with silicon atom (Si) in molecule, contain in molecule
There is the polysiloxanes (Si- that there are reactive functional group (Si-H base reactive functional groups) to Si -- H bond (covalent bond of Si and H)
H base reactive polysiloxane) remover.In addition, the remover occurs to add by Si-H base and Si-H base reactive functional groups
It is crosslinked and is solidified at reaction.
In above-mentioned based polysiloxane containing Si-H, the Si for being bonded with H can appointing for the Si in the Si and side chain in main chain
It anticipates one kind.Above-mentioned based polysiloxane containing Si-H is preferably the polysiloxanes for containing two or more Si-H base in molecule.As containing
Dimethyl hydrogens silicon such as poly- (dimethyl siloxane-methyl siloxanes) can be preferably listed in the polysiloxanes of more than two Si-H bases
Oxygen alkanes polymer.
In addition, can be preferably listed as above-mentioned Si-H base reactive polysiloxane: Si-H base reactive functional groups contain
There is the side chain of the functional group and forms Si (such as Si, the main chain of main chain terminal of the main chain (skeleton) of siloxane type polymers
Internal Si) bonding form polysiloxanes.Wherein, the Si Direct Bonding preferably in Si-H base reactive functional groups and main chain
Polysiloxanes.In addition, can be preferably listed in molecule has two or more as above-mentioned Si-H base reactive polysiloxane
The polysiloxanes of Si-H base reactive functional groups.
As the Si-H base reactive functional groups in above-mentioned Si-H base reactive polysiloxane, can enumerate for example: ethylene
Alkenyls such as base, hexenyl etc..In addition, the type siloxane as the backbone portion formed in above-mentioned Si-H base reactive polysiloxane
Polymer can be enumerated for example: the poly-diakyls such as dimethyl silicone polymer, polydiethylsiloxane, polymethy ethylsiloxane
Siloxanes (two alkyl can be the same or different)；Polyalkylaryl siloxane；Poly- (dimethyl siloxane-methyl silicon oxygen
Alkane), by polymer obtained from a variety of monomer polymerizations containing Si etc..Wherein, the siloxane type polymers as formation backbone portion,
It is preferred that dimethyl silicone polymer.
In particular, the above-mentioned polysiloxane-based remover of thermal addition reaction curability preferably contain in molecule containing there are two with
The hot addition of polysiloxanes in the polysiloxanes and molecule of upper Si-H base containing two or more Si-H base reactive functional groups is anti-
Answer the polysiloxane-based remover of curability.
In addition, being not particularly limited as the polysiloxane-based remover of above-mentioned ionizing radiation curable, can be preferably listed
Cross-linking reaction is caused to carry out the cured polysiloxane-based remover of UV curability by ultraviolet light (UV) irradiation.
The above-mentioned polysiloxane-based remover of UV curability be by UV irradiation cause cationic polymerization, free radical polymerization, from
Cured remover is carried out by chemical reactions such as base addition polymerization, hydrosilyl groupization reactions.The above-mentioned poly- silicon oxygen of UV curability
Particularly preferably pass through cationic polymerization carries out the polysiloxane-based class remover of cured UV curability to alkanes remover.
As the polysiloxane-based remover of cationic polymerization type UV curability, it is not particularly limited, can be preferably listed and contain
There are at least two epoxy groups respectively to direct or through the bivalent group (alkylidenes such as methylene, ethylidene；Inferior ethoxyl, Asia third
The alkylene oxide groups such as oxygroup) with the Si of the main chain (skeleton) that forms polysiloxane type polymers (such as in the Si of main chain terminal, main chain
The Si in portion) and/or side chain in contain Si bonding the based polysiloxane containing epoxy remover.These at least two epoxy groups with
The bonding scheme of Si can be the same or different.I.e., it is possible to be preferably listed containing it is one or more kinds of containing there are two with
On the base side chain containing epoxy polysiloxanes remover.As base side chain containing epoxy, glycidyl, epoxy third can be enumerated
Oxygroup (glycidyl oxygroup), 3,4- epoxycyclohexyl, 2,3- epoxycyclopentyl etc..Based polysiloxane containing epoxy can be straight
Any one of chain, branched or their mixture.
In particular, obtaining the warp of bonding force from excellent level for polysiloxane-based adhesive tape of the invention
From the viewpoint of the inhibition of Shi Shangsheng, removed preferably in polysiloxane-based adhesive phase A containing thennoset polysiloxane class
Agent, the further preferably polysiloxane-based remover of thermal addition reaction curability.
Above-mentioned polysiloxane-based remover in the polysiloxane-based adhesive phase A of polysiloxane-based adhesive tape of the invention
Content be not particularly limited, relative to 100 parts by weight of polysiloxane type polymers as basic polymer, preferably 0.2
More than parts by weight and 100 parts by weight are hereinafter, more than more preferably 0.2 parts by weight and 80 parts by weight are hereinafter, be even more preferably
0.2 parts by weight are more than and less than 60 parts by weight.When above-mentioned content is 0.2 parts by weight or more, by making polysiloxane-based adhesive
Layer can be easy to get containing polysiloxane-based remover inhibit adhesive tension through when the effect that rises.In addition, above-mentioned content is 100
When below parts by weight, easy inhibition cannot get sufficient adhesiveness to be difficult to paste the problem on adherend.
In addition, can contain as needed in the polysiloxane-based adhesive phase A of polysiloxane-based adhesive tape of the invention
Additive.That is, above-mentioned polysiloxane-based adhesive composition A can according to need other than polysiloxane-based remover containing
Additive.In addition, above-mentioned polysiloxane-based adhesive composition A can contain catalyst (especially platinum based catalyst etc.).Make
It for above-mentioned additive, is not particularly limited, crosslinking agent, filler, plasticizer, age resister, antistatic agent, coloring can be enumerated
Agent (pigment, dyestuff etc.) etc..In addition, additive may be used singly or two or more in combination.
In polysiloxane-based adhesive composition containing above-mentioned silicon rubber and organic siliconresin, from obtain as crosslinking tie
From the viewpoint of the polysiloxane-based adhesive phase of structure body, crosslinking agent can be contained.As such crosslinking agent, do not limit especially
System, can be preferably listed type siloxane crosslinking agent (polysiloxane-based crosslinking agent), peroxide crosslinking agent etc..In addition, crosslinking
Agent may be used singly or two or more in combination.
As above-mentioned type siloxane crosslinking agent, be not particularly limited, can be preferably listed in molecule have it is more than two with
The poly- organohydrogensiloxanes of the hydrogen atom of silicon atom bonding.In such poly- organohydrogensiloxanes, the silicon atom of bonded hydrogen atoms
On various organic groups can also be bonded other than hydrogen atom.As the organic group, the alkane such as methyl, ethyl can be enumerated
Base；The aryl such as phenyl；Halogenated alkyl etc..Wherein, from the viewpoint of synthesis, operation, optimizing alkyl, more preferable methyl.In addition,
The skeleton structure of poly- organohydrogensiloxanes can have straight-chain, branched, any one cricoid skeleton structure, preferably straight chain
Shape.
As described above, polysiloxane-based adhesive phase A of the invention is formed by polysiloxane-based adhesive composition A.It is poly-
Silicone Adhesives composition A is the composition for being used to form polysiloxane-based adhesive phase A, at least contains above-mentioned conduct
The polysiloxane type polymers of base polymer and above-mentioned polysiloxane-based remover.Polysiloxane-based adhesive phase A does not have
There is special limitation, such as can be by the way that above-mentioned polysiloxane type polymers, above-mentioned polysiloxane-based remover etc. to be obtained by mixing
It arrives.
The viscosity of polysiloxane-based adhesive composition A is not particularly limited, from workability, operability, it is easy to form
From the viewpoint of even adhesive phase, preferably 0.1~100Pas, more preferably 0.5~50Pas.It should be noted that
Viscosity in this specification, which refers to, uses BH viscosimeter as viscosimeter, in rotor: No. 5 rotors, revolving speeds: 10rpm, measurement temperature
Degree: the viscosity measured under conditions of 30 DEG C.
Polysiloxane-based adhesive phase A can be by obtaining the polysiloxane-based adhesive composition A of stratiform, and makes the layer
Shape object is solidified to form.For example, can be and right by obtaining adhesive composition layer by polysiloxane-based adhesive composition A
The adhesive composition layer heated and dried (such as carry out at a temperature of 100~160 DEG C 1~10 minute heat) and
It is formed.
The thickness of polysiloxane-based adhesive phase A is not particularly limited, from the viewpoint of gluing reliability, preferably 3
~200 μm, more preferably 5~150 μm, further preferably 5~100 μm.
The mist degree (be based on JIS K7136) of polysiloxane-based adhesive phase A is not particularly limited, from obtaining high transparency
Viewpoint considers that preferably 1.5% hereinafter, more preferably 1.0% or less.It should be noted that mist degree for example can be by that will gather
Silicone Adhesives layer A is fitted on glass slide (for example, glass slide of total light transmittance 91.8%, mist degree 0.4%), and is used
Haze meter (manufactured by the research of Murakami K. K.'s dye technology, trade name " HM-150 ") is measured.
In addition, (total light transmittance in visible wavelength range is based on JIS to the transmissivity of polysiloxane-based adhesive phase A
K7361-1) be not particularly limited, from the viewpoint of obtaining high transparency, preferably 80% or more, more preferably 85% with
On.It should be noted that transmissivity for example can be by fitting to glass slide (for example, total saturating for polysiloxane-based adhesive phase A
The glass slide of light rate 91.8%, mist degree 0.4%) on, and use haze meter (manufactured by the research of Murakami K. K.'s dye technology,
Trade name " HM-150 ") it is measured.
(base film)
As described above, polysiloxane-based adhesive tape of the invention is at least to have base film and polysiloxane-based adhesive
The band substrate adhesive tape of layer A.In addition, base film can be the base film constituted by one layer, it is possible to have two layers or more
Stepped construction.
Above-mentioned base film is preferably plastic basis material (polymeric substrate).As the above-mentioned plastic basis material (polymer matrix of composition
Material) material, be not particularly limited, can enumerate for example: polyethylene terephthalate, polyethylene naphthalate,
The polyester such as polybutylene terephthalate (PBT), polybutylene naphthalate；Polyethylene, polypropylene, ethylene-propylene copolymer etc.
Polyolefin；Polyvinyl alcohol；Polyvinylidene chloride；Polyvinyl chloride；Vinyl chloride vinyl acetate copolymer；Polyvinyl acetate；It is poly-
Amide；Polyimides；The cellulose families such as triacetyl cellulose, diacetyl cellulose；Fluorine resin；Polyethers；Polyetheramides；Polyethers
Ether ketone；Polyphenylene sulfide；The polystyrene resins such as polystyrene；Polycarbonate；Polyether sulfone；The propylene such as polymethyl methacrylate
Acid resin etc..In addition, above-mentioned material may be used singly or two or more in combination.
Wherein, as the material for constituting above-mentioned plastic basis material, from intensity, operability (treatability), cost, dimensionally stable
From the viewpoint of property, the balance of anchor force are good, preferably polyester, cellulose family, acrylic resin etc., more preferable polyester.That is,
Above-mentioned plastic basis material is preferably polyester film, cellulose family film, acrylic resin film, more preferably polyester film.
Surface treatment can be implemented in above-mentioned substrate as needed.For example, above-mentioned base film can be (single by stretch processing
Axis stretch or it is biaxial stretch-formed) etc. control morphotropism.In addition, on the surface of base film, in order to improve the adherency with adhesive phase
Property, it is possible to implement usual surface treatment, such as chromic acid processing, be exposed to ozone, be exposed to flame, be exposed to high-voltage electric shock,
The oxidation processes etc. that ionising radiation processing etc. is carried out by chemically or physically method.
Furthermore it is possible to implement to handle for improving with the primary coat of the adhesion strength of adhesive phase.In particular, in order to improve and gather
The adhesion strength of Silicone Adhesives layer A, the substrate that above-mentioned base film has preferably carried out polysiloxane-based primary coat processing are thin
Film.
In addition, above-mentioned base film can be implemented firmly from the viewpoint of the scratch resistance (scratch resistance) for improving surface
Painting processing.When implementing such hard coating, in the case where being used for surface protection, its defencive function can be further improved.
In addition, antistatic process can be implemented in base film from the viewpoint of inhibiting electrostatic generation.
Above-mentioned substrate can for implemented to improve the adhesiveness with adhesive phase on a such as face primary coat processing,
The substrate of hard coating is implemented on another face.
(release liner)
As described above, in order to protect adhesive surface, release liner has been can be set in polysiloxane-based adhesive tape of the invention.On
It states release liner to be not particularly limited, known or usual release liner can be used.For example, as above-mentioned release liner, it can
To be preferably listed: by polyethylene terephthalate (PET), polyethylene naphthalate (PEN), poly terephthalic acid fourth
The polyester resins such as diol ester (PBT)；Polyethylene (PE), polypropylene (PP), polymethylpentene (PMP), ethylene-propylene copolymer
Object, vinyl-vinyl acetate copolymer (EVA) etc. are using alpha-olefin as the olefine kind resin of monomer component；Polyvinyl chloride
(PVC)；Vinyl acetate esters resin；Polycarbonate (PC)；Polyphenylene sulfide (PPS)；Polyamide (nylon), fully aromatic polyamide
(aramid) the amides resinoid such as；Polyimide based resin；Polyether-ether-ketone (PEEK)；The alkene such as polyethylene (PE), polypropylene (PP)
Hydrocarbon resins；Polytetrafluoroethylene (PTFE), polychlorotrifluoroethylene, polyvinyl fluoride, polyvinylidene fluoride, hexafluoropropylene (HFP)/tetrafluoroethylene (TFE) copolymerization
The plastic film of the compositions such as the fluorine resins such as object, chlorine vinyl fluoride-vinylidene fluoride copolymer.
In addition, can enumerate for example has at least one surface of release liner substrate as above-mentioned release liner
The release liner of peeling layer (lift-off processing layer) includes fluoropolymer-containing low adhesivity release liner, comprising apolar polymeric
Low adhesivity release liner of object etc..Further, it is also possible to enumerate the release liner substrate without peeling layer (that is, release liner
Substrate itself).It as above-mentioned fluoropolymer, is not particularly limited, can enumerate for example: polytetrafluoroethylene (PTFE), polychlorostyrene trifluoro second
Alkene, polyvinyl fluoride, polyvinylidene fluoride, tetrafluoraoethylene-hexafluoropropylene copolymer, chlorine vinyl fluoride-vinylidene fluoride copolymer etc..
In addition, being not particularly limited as above-mentioned non-polar polymer, it can enumerate for example: the alkene such as polyethylene (PE), polypropylene (PP)
Hydrocarbon resins etc..Wherein, it is preferable to use with the release liner, no of peeling layer at least one surface of release liner substrate
Release liner substrate (that is, release liner substrate itself) with peeling layer.
It as above-mentioned release liner substrate, is not particularly limited, plastic film etc. can be enumerated.It is thin as such plastics
Film can be enumerated for example: by polyethylene terephthalate (PET), polyethylene naphthalate (PEN), gather to benzene two
The polyester resins such as formic acid butanediol ester (PBT)；Polyethylene (PE), polypropylene (PP), polymethylpentene (PMP), ethylene-propylene
Copolymer, vinyl-vinyl acetate copolymer (EVA) etc. are using alpha-olefin as the olefine kind resin of monomer component；Polyvinyl chloride
(PVC)；Vinyl acetate esters resin；Polycarbonate (PC)；Polyphenylene sulfide (PPS)；Polyamide (nylon), fully aromatic polyamide
(aramid) the amides resinoid such as；Polyimide based resin；The plastic film of the compositions such as polyether-ether-ketone (PEEK).Wherein, from adding
The consideration of the viewpoints such as work, availability, workability, dust tightness, cost, the plastic film preferably formed by polyester resin, into
One step is preferably PET film.
As the stripping treatment agent for constituting above-mentioned peeling layer, it is not particularly limited, can enumerates for example: polysiloxane-based stripping
From stripping treatment agents such as inorganic agent, fluorine-containing type stripping treatment agent, chain alkyl class stripping treatment agent, molybdenum sulfides.In addition, at removing
Reason agent may be used singly or two or more in combination.
Above-mentioned release liner can be manufactured by known customary way.In addition, the thickness of above-mentioned release liner is without spy
It does not limit.
(polysiloxane-based adhesive tape)
The manufacturing method of polysiloxane-based adhesive tape of the invention is not particularly limited, and well known formation side can be used
Method.For example, can be by being formed at least one surface side of above-mentioned base film by above-mentioned polysiloxane-based adhesive composition A
Polysiloxane-based adhesive phase A makes.
The Initial adhesion of polysiloxane-based adhesive tape of the invention (is especially provided by polysiloxane-based adhesive phase A
Adhesive surface Initial adhesion) be 0.01~0.10N/25mm, preferably 0.01~0.08N/25mm, more preferably 0.01~
0.05N/25mm.The Initial adhesion of polysiloxane-based adhesive tape of the invention is 0.01N/25mm or more, therefore can be to quilt
Viscous object obtains sufficient adhesivity.In addition, Initial adhesion is 0.10N/25mm hereinafter, being therefore gently to remove to adherend, it is right
The bonding force of adherend is small.Therefore, it even if pasting on adherend, can also simply remove from adherend without damaging quilt
Viscous object.It should be noted that Initial adhesion refers on the adhesive tape joining to adherend that will not be pasted or saved, it is just viscous
Bonding force when sticking.Initial adhesion can by measurement adhesive tape be fitted to removed after 30 minutes on adherend when
Bonding force and find out.Above-mentioned Initial adhesion is under tensile speed 300mm/ minutes, 180 ° of peel angle of stripping conditions
Bonding force measure, to glass plate.In addition, being measured in the environment of 23 DEG C of measuring temperature, relative humidity 50%RH.In addition,
As glass plate, glass plate (manufacture of soda-lime glass #0050, Song Langxiaozi Industrial Co., Ltd) can be enumerated.
The value of the following formula (1) of polysiloxane-based adhesive tape of the invention is preferably 80 or less.
(bonding force A)/(bonding force B) × 100 (1)
Bonding force A: pasting on glass and after being saved 48 hours at 85 DEG C to the bonding force of glass；
Bonding force B: will there is the polysiloxane-based bonding without containing polysiloxane-based remover on the surface of base film
To the bonding force of glass after being saved 48 hours on the adhesive tape joining to glass of oxidant layer and at 85 DEG C.
Bonding force A and bonding force B is to measure under tensile speed 300mm/ minutes, 180 ° of peel angle of stripping conditions
, bonding force to glass plate.In addition, being measured in the environment of 23 DEG C of measuring temperature, relative humidity 50%RH.
As glass plate, such as glass plate (soda-lime glass #0050, Song Langxiaozi Industrial Co., Ltd system can be enumerated
It makes).
The adhesive tape used in the measurement of bonding force A is to have to contain poly- silicon oxygen at least one surface side of base film
The adhesive tape of the polysiloxane-based adhesive phase of alkanes remover, in addition, the adhesive tape used in the measurement of bonding force B be
At least one surface side of base film has the adhesive tape of the polysiloxane-based adhesive phase without containing polysiloxane-based remover.
When the adhesive tape used in the measurement of bonding force A is compared with adhesive tape used in the measurement in bonding force B, in addition to
It whether is in addition identical containing polysiloxane-based remover this point in polysiloxane-based adhesive phase.For example, for viscous
For adhesive tape used in the measurement of resultant force A and the adhesive tape used in the measurement of bonding force B, polysiloxane-based adhesive
The thickness of layer is identical, and material, the thickness of base film are identical.
Long-term preservation at normal temperature is equivalent in addition, saving 48 hours at 85 DEG C.
For polysiloxane-based adhesive tape of the invention, the value of formula (1) is 80 hereinafter, preferably 75 or less.This hair
The value of the formula (1) of bright polysiloxane-based adhesive tape be 80 hereinafter, therefore can inhibit bonding force through Shi Shangsheng, can keep
Certain bonding force, and even if through when save can also keep certain bonding force.
In addition, polysiloxane-based adhesive tape of the invention be preferably it is transparent.
The mist degree (being based on JIS K7136) of polysiloxane-based adhesive tape of the invention is not particularly limited, high saturating from obtaining
From the viewpoint of bright property, preferably 1.5% hereinafter, more preferably 1.0% or less.It should be noted that mist degree can for example lead to
It crosses and polysiloxane-based adhesive tape of the invention is fitted into glass slide (for example, the load glass of total light transmittance 91.8%, mist degree 0.4%
Piece) on, and be measured using haze meter (manufactured by the research of Murakami K. K.'s dye technology, trade name " HM-150 ").
In addition, (total light transmittance in visible wavelength range, is based on the transmissivity of polysiloxane-based adhesive tape of the invention
JIS K7361-1) it is not particularly limited, from the viewpoint of obtaining high transparency, preferably 80% hereinafter, more preferably 85%
Below.It should be noted that transmissivity for example can be by fitting to glass slide (example for polysiloxane-based adhesive tape of the invention
Such as, the glass slide of total light transmittance 91.8%, mist degree 0.4%) on, and (Murakami K. K.'s dye technology is studied using haze meter
It is manufactured, trade name " HM-150 ") it is measured.
The thickness of polysiloxane-based adhesive tape of the invention is not particularly limited, preferably 15~400 μm, more preferably 20
~300 μm, further preferably 25~250 μm.
Polysiloxane-based adhesive tape of the invention has polysiloxane-based adhesive phase A, therefore plays adherend abundant
Adhesivity and can inhibit adhesive tension through Shi Shangsheng.In addition, being light removing to adherend, even if to quilt after long-term preservation
Viscous object is also gently to remove.Therefore, polysiloxane-based adhesive tape of the invention can keep certain bonding force for a long time.Therefore, originally
Even if invention polysiloxane-based adhesive tape paste on adherend after by for a long time, can also simply be shelled from adherend
From without damaging adherend.That is, the releasable of polysiloxane-based adhesive tape of the invention is excellent.
For example, by the adherend of the fragility such as polysiloxane-based adhesive tape joining of the invention to the small semiconductor wafer of thickness
On, even across for a long time, simply polysiloxane-based adhesive tape of the invention can also be removed from adherend without damaging
Bad adherend.
Polysiloxane-based adhesive tape of the invention has above-mentioned characteristic, therefore is suitable as surface protective film.For example, can
To be preferred for the surface protection purposes of thin layer display member, thin layer display device, thin layer optical thin film, electronic equipment etc..Make
It for above-mentioned thin layer display device, is not particularly limited, the touch panel using LCD etc. can be preferably listed.As above-mentioned thin layer
Display member is not particularly limited, and LCD can be preferably listed or in the colored filter etc. wherein used.As above-mentioned thin
Layer optical thin film, is not particularly limited, polarization plates can be preferably listed.
Embodiment
It is exemplified below embodiment and the present invention is concretely demonstrated in comparative example.The present invention is not by any limit of these examples
System.
(embodiment 1)
By polysiloxane-based adhesive 1 (the polysiloxane-based adhesive of addition reaction-type, trade name " X-40-3306 ", SHIN-ETSU HANTOTAI
The manufacture of chemical industry Co., Ltd.) 100 parts by weight, platinum based catalyst 1 (trade name " CAT-PL-50T ", SHIN-ETSU HANTOTAI's chemical industry strain
The manufacture of formula commercial firm) 0.4 parts by weight, polysiloxane-based remover 1 (make addition reaction as main component with dimethyl polysiloxane
The polysiloxane-based remover of type, trade name " KS-776A ", Shin-Etsu Chemial Co., Ltd's manufacture) mixing of 0.5 parts by weight, from
And it is prepared for polysiloxane-based adhesive composition (polysiloxane-based adhesive composition 1).
Base film 1 (polyester film that a face is handled through polysiloxane-based primary coat, 38 μm of thickness, trade name
" Diafoil MRF#38 ", Mitsubishi Plastics Inc's manufacture) polysiloxanes primary coat process face on be coated with it is polysiloxane-based viscous
Mixture composite 1, to obtain the film with polysiloxane-based adhesive composition layer.
Then, the above-mentioned film with polysiloxane-based adhesive composition layer divide in 30 DEG C of temperature, time 2
The heat drying processing heated under conditions of clock, heated under conditions of 130 DEG C of temperature, the time 3 minutes again, to form thickness
75 μm of polysiloxane-based adhesive phase.Then, obtained that there is polysiloxane-based adhesive in a surface side of base film
The polysiloxane-based adhesive tape of layer.
It (is not carried out in addition, being bonded pet film on the adhesive surface of polysiloxane-based adhesive tape
The pet film of lift-off processing), to protect polysiloxane-based adhesive phase.
(embodiment 2)
It is same with embodiment 1 other than the amount of polysiloxane-based remover 1 (addition number) is set as 1.0 parts by weight
Sample it is prepared for polysiloxane-based adhesive composition (polysiloxane-based adhesive composition 2).
Other than using the polysiloxane-based adhesive composition 2, obtain similarly to Example 1 polysiloxane-based
Adhesive tape.
(embodiment 3)
It is same with embodiment 1 other than the amount of polysiloxane-based remover 1 (addition number) is set as 3.0 parts by weight
Sample it is prepared for polysiloxane-based adhesive composition (polysiloxane-based adhesive composition 3).
Other than using the polysiloxane-based adhesive composition 3, obtain similarly to Example 1 polysiloxane-based
Adhesive tape.
(embodiment 4)
It is same with embodiment 1 other than the amount of polysiloxane-based remover 1 (addition number) is set as 5.0 parts by weight
Sample it is prepared for polysiloxane-based adhesive composition (polysiloxane-based adhesive composition 4).
Other than using the polysiloxane-based adhesive composition 4, obtain similarly to Example 1 polysiloxane-based
Adhesive tape.
(embodiment 5)
It is same with embodiment 1 other than the amount of polysiloxane-based remover 1 (addition number) is set as 10.0 parts by weight
Sample it is prepared for polysiloxane-based adhesive composition (polysiloxane-based adhesive composition 5).
Other than using the polysiloxane-based adhesive composition 5, obtain similarly to Example 1 polysiloxane-based
Adhesive tape.
(embodiment 6)
It is same with embodiment 1 other than the amount of polysiloxane-based remover 1 (addition number) is set as 30.0 parts by weight
Sample it is prepared for polysiloxane-based adhesive composition (polysiloxane-based adhesive composition 6).
Other than using the polysiloxane-based adhesive composition 6, obtain similarly to Example 1 polysiloxane-based
Adhesive tape.
(embodiment 7)
It is same with embodiment 1 other than the amount of polysiloxane-based remover 1 (addition number) is set as 50.0 parts by weight
Sample it is prepared for polysiloxane-based adhesive composition (polysiloxane-based adhesive composition 7).
Other than using the polysiloxane-based adhesive composition 7, obtain similarly to Example 1 polysiloxane-based
Adhesive tape.
(embodiment 8)
In addition to using polysiloxane-based adhesive composition 2 and being adjusted to the thickness of the adhesive composition 2 after drying
Other than 10.0 μm, polysiloxane-based adhesive tape has been obtained similarly to Example 1.
(embodiment 9)
Other than using polysiloxane-based adhesive composition 3, obtain similarly to Example 8 polysiloxane-based viscous
Crossed belt.
(comparative example 1)
Other than being not added with polysiloxane-based remover 1, it is prepared for polysiloxane-based adhesive similarly to Example 1
Composition (polysiloxane-based adhesive composition 8).
Other than using the polysiloxane-based adhesive composition 8, obtain similarly to Example 1 polysiloxane-based
Adhesive tape.
(comparative example 2)
It is same with embodiment 1 other than the amount of polysiloxane-based remover 1 (addition number) is set as 0.1 parts by weight
Sample it is prepared for polysiloxane-based adhesive composition (polysiloxane-based adhesive composition 9).
Other than using the polysiloxane-based adhesive composition 9, obtain similarly to Example 1 polysiloxane-based
Adhesive tape.
(comparative example 3)
Other than using polysiloxane-based adhesive composition 8, it is prepared for similarly to Example 8 polysiloxane-based viscous
Crossed belt.
(comparative example 4)
Other than using polysiloxane-based adhesive composition 9, it is prepared for similarly to Example 8 polysiloxane-based viscous
Crossed belt.
[measurement]
For polysiloxane-based adhesive tape obtained in embodiment and comparative example, the measurement side of following bonding forces is used
Method finds out Initial adhesion, bonding force A, bonding force B.In addition, the value for finding out formula (1) is [(viscous by bonding force A and bonding force B
Resultant force A)/(bonding force B) × 100].
In addition, being bonded polysiloxane-based adhesive phase on glass slide (total light transmittance 91.8%, mist degree 0.4%) and obtaining
Measure sample, by the measurement sample, using haze meter (manufactured by the research of Murakami K. K.'s dye technology, trade name " HM-
150 ") mist degree of polysiloxane-based adhesive phase and the total light transmittance of polysiloxane-based adhesive phase, are found out.
(measuring method of bonding force)
After polysiloxane-based adhesive tape is placed 30 minutes in the environment of 23 DEG C, 50%RH, by polysiloxane-based bonding
Band obtains the adhesive tape small pieces of long 100mm, width 25mm.Then, in the environment of 23 DEG C, 50%RH, by release liner from above-mentioned
The removing of adhesive tape small on piece and expose adhesive surface (aspect of measure), by adhesive tape small pieces 2kg roller, it is primary round-trip under conditions of press
It is connected in glass plate (manufacture of soda-lime glass #0050, Song Langxiaozi Industrial Co., Ltd), so that adhesive tape small pieces are fitted to glass
In glass plate.Then, 180 ° are carried out using cupping machine (trade name " TCM-1kNB ", the manufacture of Meyria (ミ ネ ベ ア) company)
Disbonded test measures 180 ° of peel adhesions (180 ° of peel adhesions) (N/25mm).Measurement is in 23 DEG C, the environment of 50%RH
Under, it is carried out under conditions of 180 ° of peel angle, tensile speed 300mm/ minutes.
(Initial adhesion)
After making polysiloxane-based adhesive tape, for polysiloxane-based adhesive tape, pass through the measuring method of above-mentioned bonding force
Find out bonding force.Using the bonding force as Initial adhesion.
It should be noted that fitting to adhesive tape small pieces on glass plate in the measurement of Initial adhesion, place 30 minutes
180 ° of disbonded tests are carried out afterwards.
(bonding force A)
After making polysiloxane-based adhesive tape, 85 DEG C at a temperature of place 48 hours, obtain heating place after poly- silicon
Oxygen alkanes adhesive tape.Polysiloxane-based adhesive tape after placing for the heating, is found out by the measuring method of above-mentioned bonding force
Bonding force.Using the bonding force as bonding force A.
(bonding force B)
For being related to containing the polysiloxane-based adhesive tape of polysiloxane-based remover in polysiloxane-based adhesive phase
Embodiment and comparative example, by step production identical other than adding polysiloxane-based remover and each embodiment and
The corresponding polysiloxane-based adhesive tape of comparative example is as reference.
The polysiloxane-based adhesive tape as reference does not contain polysiloxane-based stripping in polysiloxane-based adhesive phase
From agent, other than whether containing polysiloxane-based remover, with the polysiloxane-based bonding of corresponding embodiment or comparative example
With identical.
After making the polysiloxane-based adhesive tape as reference, 85 DEG C at a temperature of place 48 hours, heated
After placement referring to polysiloxane-based adhesive tape.For the heating place after referring to polysiloxane-based adhesive tape, by above-mentioned
The measuring method of bonding force finds out bonding force.Using the bonding force as bonding force B.
In addition, for the comparative example for not containing polysiloxane-based remover, for convenience's sake, using the value of bonding force A
Value as bonding force B.
Table 1
In table 1, " A/B × 100 " expression " value [(bonding force A)/(bonding force B) × 100] of formula (1) ".
Claims (3)
1. a kind of polysiloxane-based adhesive tape, which is characterized in that
There is the poly- silicon containing polysiloxane type polymers and polysiloxane-based remover at least one surface side of base film
Oxygen alkanes adhesive phase,
Initial adhesion is 0.01~0.10N/25mm,
The value of following formula (1) be 80 hereinafter,
(bonding force A)/(bonding force B) × 100 (1)
Bonding force A: pasting on glass and after being saved 48 hours at 85 DEG C to the bonding force of glass；
Bonding force B: will there is the polysiloxane-based bonding without containing polysiloxane-based remover base film surface side
To the bonding force of glass after being saved 48 hours on the adhesive tape joining to glass of oxidant layer and at 85 DEG C,
Described adhesive layer with a thickness of 3 μm~200 μm,
The base material film is selected from one of the group being made of polyester film, cellulose membrane and acrylic resin film.
2. polysiloxane-based adhesive tape as described in claim 1, wherein
The content of polysiloxane-based remover is birdsed of the same feather flock together relative to 100 parts by weight polysiloxanes in the polysiloxane-based adhesive phase
Closing object is 0.2 parts by weight or more and 100 parts by weight or less.
3. polysiloxane-based adhesive tape as claimed in claim 1 or 2, wherein
The mist degree of the polysiloxane-based adhesive phase is 1.5% or less.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-065656 | 2014-03-27 | ||
| JP2014065656A JP6378516B2 (en) | 2014-03-27 | 2014-03-27 | Silicone adhesive tape |
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| Publication Number | Publication Date |
|---|---|
| CN104946144A CN104946144A (en) | 2015-09-30 |
| CN104946144B true CN104946144B (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510134984.7A Active CN104946144B (en) | 2014-03-27 | 2015-03-26 | Polysiloxane-based adhesive tape |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6378516B2 (en) |
| KR (1) | KR102413880B1 (en) |
| CN (1) | CN104946144B (en) |
| TW (1) | TWI729972B (en) |
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| JP6549392B2 (en) * | 2015-03-13 | 2019-07-24 | 日東電工株式会社 | Adhesive film functional film and film set |
| JP6368810B2 (en) * | 2016-03-04 | 2018-08-01 | 日東電工株式会社 | Surface protection film |
| WO2017150290A1 (en) * | 2016-03-04 | 2017-09-08 | 日東電工株式会社 | Surface protective film |
| KR102212135B1 (en) * | 2018-01-11 | 2021-02-03 | 주식회사 엘지화학 | The temperature variable adhesive sheet and method for preparing adhesive sheet using the same |
| CN111670235B (en) * | 2018-02-28 | 2022-06-17 | 陶氏东丽株式会社 | Adhesive film |
| CN110157374A (en) * | 2018-03-26 | 2019-08-23 | 昆山普瑞凯纳米技术有限公司 | A kind of organic pressure-sensitive gel and preparation method thereof |
| KR20210090693A (en) * | 2018-11-16 | 2021-07-20 | 닛산 가가쿠 가부시키가이샤 | Infrared adhesive composition for peeling, laminated body, manufacturing method of laminated body, and peeling method |
| KR102187647B1 (en) | 2018-12-19 | 2020-12-07 | 율촌화학 주식회사 | The double curing type silicone adhesive composition |
| KR102395516B1 (en) | 2021-01-29 | 2022-05-10 | 율촌화학 주식회사 | Acryl-based adhesive compostion and surface protective film for cover glass comprising the same |
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| JP2002180025A (en) | 2000-12-08 | 2002-06-26 | Sliontec Corp | Silicone-based adhesive composition, silicone-based adhesive tape by using the same and method for producing the same |
| KR100535439B1 (en) * | 2003-12-31 | 2005-12-08 | 주식회사 케이씨씨 | Composition of releasing agents for dispersion based-on silicone |
| JP5049144B2 (en) * | 2008-01-22 | 2012-10-17 | 東洋紡績株式会社 | Image display device manufacturing method, and image display device manufactured using the manufacturing method |
| JP2010095699A (en) * | 2008-09-22 | 2010-04-30 | Aica Kogyo Co Ltd | Silicone resin composition and pressure-sensitive adhesive film |
| JP5426873B2 (en) * | 2008-12-16 | 2014-02-26 | 三菱樹脂株式会社 | Double-sided adhesive silicone rubber sheet and method for producing the same |
| KR101393922B1 (en) * | 2010-09-16 | 2014-05-12 | 세키스이가가쿠 고교가부시키가이샤 | Pressure-sensitive adhesive compound, pressure-sensitive adhesive tape, and wafer treatment method |
| DE102011079687A1 (en) * | 2011-07-22 | 2013-01-24 | Wacker Chemie Ag | Temporary bonding of chemically similar substrates |
| JP2013147540A (en) * | 2012-01-17 | 2013-08-01 | Nitto Denko Corp | Adhesive tape for protecting surface of semiconductor component |
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2014
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- 2015-03-24 KR KR1020150040581A patent/KR102413880B1/en active IP Right Grant
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| CN101175772A (en) * | 2005-05-20 | 2008-05-07 | 瓦克化学有限公司 | Process for preparing silicone-containing addition polymers |
| CN101573421A (en) * | 2006-09-01 | 2009-11-04 | 莫门蒂夫性能材料股份有限公司 | Laminates utilizing pressure sensitive adhesive composition and conventional silicone liners |
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| KR20150112831A (en) | 2015-10-07 |
| TW201542755A (en) | 2015-11-16 |
| CN104946144A (en) | 2015-09-30 |
| KR102413880B1 (en) | 2022-06-28 |
| JP6378516B2 (en) | 2018-08-22 |
| JP2015189778A (en) | 2015-11-02 |
| TWI729972B (en) | 2021-06-11 |
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