CN110430981A - Stripping film is used in raw cook formation - Google Patents

Stripping film is used in raw cook formation Download PDF

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Publication number
CN110430981A
CN110430981A CN201880016629.1A CN201880016629A CN110430981A CN 110430981 A CN110430981 A CN 110430981A CN 201880016629 A CN201880016629 A CN 201880016629A CN 110430981 A CN110430981 A CN 110430981A
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Prior art keywords
agent layer
peeling agent
stripping film
raw cook
substrate
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佐藤庆一
深谷知巳
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Rintoku Co Ltd
Lintec Corp
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Rintoku Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/043Improving the adhesiveness of the coatings per se, e.g. forming primers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/02Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/30Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/18Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/44Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/46Polymerisation initiated by wave energy or particle radiation
    • C08F2/48Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/046Forming abrasion-resistant coatings; Forming surface-hardening coatings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/056Forming hydrophilic coatings

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Producing Shaped Articles From Materials (AREA)

Abstract

Raw cook formation of the invention is the raw cook formation stripping film (1) for being used to form raw cook with stripping film, wherein, the stripping film (1) has substrate (11) and is set to the peeling agent layer (12) of the one side of above-mentioned substrate (11), above-mentioned peeling agent layer is formed by the solidfied material of remover formation material, which contains (A) energy ray-curable compound, (B) hydrophobization silica solution and (C) removing and assign ingredient.

Description

Stripping film is used in raw cook formation
Technical field
The present invention relates to raw cook formation stripping films.
Background technique
Stripping film is usually made of substrate and peeling agent layer.Raw cook can be by applying on such stripping film by ceramic grain Son disperses and is dissolved in adhesive resin ceramic slurry obtained from organic solvent and is dried and manufactures.In addition, made The raw cook made is in the manufacture that can be used for ceramic capacitor after removing film stripping.
In addition, using stripping film manufacture raw cook, since the bumps on the surface of stripping film can be transferred to life Piece, thus exist the problems such as the surface of raw cook generates pin hole.Therefore, for stripping film, it is desirable that the bumps on surface are few such Flatness.On the other hand, with the miniaturization, densification of ceramic capacitor in recent years, it is desirable that the further filming of raw cook. In turn, due to the further filming of raw cook, for stripping film, it is desirable that flatness further increases.
However, there are problems that the flatness for more improving stripping film then stripping film more is easy to happen adhesion.That is, stripping film is logical It often takes care of, transport in the state of being rolled into web-like, when forming raw cook, release and use successively from the state of web-like.Therefore, When the stripping film that this is batched is released successively, there is the substrate of the peeling agent layer for being easy to happen demoulding film surface and removing back of the membrane Between adhesion (adherency) the problem of.Like this, the stripping film excellent for flatness, it is desirable that prevent the performance of adhesion (anti-stick Even property).
As improve stripping film resistance to blocking technology, such as describe in patent document 1 polyester film at least It is provided with the mold release film of the release layer containing nonactive particle on one side.In the mold release film, 10 average roughness of layer surface are demoulded Spending (Rz) is 20~500nm.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2004-255704 bulletin
Summary of the invention
Problems to be solved by the invention
However, not obtaining the removing that can take into account flatness and resistance to blocking in the stripping film recorded in patent document 1 Film.
Therefore, raw cook shape excellent the purpose of the present invention is to provide a kind of flatness and with sufficient resistance to blocking At with stripping film.
Solution to the problem
One embodiment of the present invention relates to raw cook formation with stripping film be used to form raw cook raw cook formed use Stripping film, wherein the stripping film has substrate and is set to the peeling agent layer of the one side of above-mentioned substrate, and above-mentioned peeling agent layer is by shelling It is formed from dosage form at the solidfied material of material, which contains (A) energy ray-curable compound, (B) is dredged Aquation silica solution and (C) removing assign ingredient.
One embodiment of the present invention relates to raw cook formation stripping film in, above-mentioned (B) hydrophobization silica solution Average grain diameter is preferably 10nm or more and 100nm or less.
One embodiment of the present invention relates to raw cook formation stripping film in, preferably form above-mentioned (B) dredge In the case where the film of aquation silica solution, water is preferably 100 ° or more to the contact angle of above-mentioned film.
One embodiment of the present invention relates to raw cook formation stripping film in, the average thickness of above-mentioned peeling agent layer Preferably 0.2 μm or more and 2 μm or less.
One embodiment of the present invention relates to raw cook formation stripping film in, the appearance of preferably above-mentioned peeling agent layer The arithmetic average roughness Ra in face be 8nm hereinafter, and the outer surface of above-mentioned peeling agent layer maximum rising height Rp be 50nm with Under.
According to the present invention, it is possible to provide stripping film is used in the excellent and raw cook formation with sufficient resistance to blocking of flatness.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section for showing the raw cook formation stripping film that embodiments of the present invention are related to.
Fig. 2 is in raw cook formation stripping film for being related to embodiments of the present invention, hydrophobization silica solution it is inclined The ideograph that analysis state is conceptually illustrated.
Symbol description
The outer surface of 1 ... stripping film, 11 ... substrates, 12 ... peeling agent layers, 12A ... peeling agent layer.
Specific embodiment
Hereinafter, for enumerating embodiment, the present invention will be described.The present invention is not limited to the contents of embodiment.
The raw cook of present embodiment is formed with stripping film 1 (following " stripping film 1 ") as shown in Figure 1, having substrate 11 and setting It is placed in the peeling agent layer 12 of the 1st face 11A of substrate 11.
(substrate)
The substrate 11 of present embodiment has the 1st face 11A and the 2nd face 11B.
As the material for constituting substrate 11, it is not particularly limited, it can be mentioned, for example: by polyester resin (poly terephthalic acid Butanediol ester resin, pet resin and polyethylene naphthalate resin etc.), polyolefin resin The film etc. that the plastics such as (acrylic resin and polymethylpentene resin etc.) and polycarbonate are formed.Substrate 11 can be monofilm, Or 2 layers or more of multilayer film of the same race or not of the same race.In these, from processing when or using when etc. be not likely to produce dust Deng from the viewpoint of, preferred polyester film, more preferable biaxial tension polyethylene terephthalate film.Polyester film is used utilizing The stripping film 1 of manufacture in the case where manufacturing raw cook, can effectively prevent the coating of the ceramic slurry as caused by dust etc. bad etc..
In substrate 11, in addition to above-mentioned such material, filler etc. can also be contained.As filler, dioxy can be enumerated SiClx, titanium oxide, calcium carbonate, kaolin and aluminium oxide etc..They can be used alone a kind, or two or more is applied in combination.Pass through Containing such filler, the mechanical strength of substrate 11 can be assigned, and improves the slickness at the table back side, inhibits adhesion.
For the 1st face 11A of substrate 11 and surface roughness (the arithmetic average roughness Ra of the 2nd face 11B1And Ra2And Maximum rising height Rp1And Rp2) for, it can be the roughness range that two sides is all-purpose grade, being also possible to two sides is Gao Ping The roughness range of sliding grade.Further, it is also possible to be one side in the 1st face 11A and the 2nd face 11B be the coarse of high smooth grade Spend range, the roughness range that another side is all-purpose grade.2nd face 11B of the substrate 11 of uncoated peeling agent layer 12 is Gao Ping When the roughness range of sliding grade, in general, batching for stripping film 10 can generate adhesion, but the stripping film 1 of present embodiment is not allowed Easily stick together.
For high smooth grade, the arithmetic average roughness Ra (Ra of the 1st face 11A of substrate 111) preferably 1nm or more and 40nm are hereinafter, more preferably 2nm or more and 20nm or less.As a result, as described later, in the 1st face 11A of substrate 11 On can fill up the bumps of the 1st face 11A and form the peeling agent layer 12 that have passed through smoothing.Therefore, arithmetic average roughness Ra1In When in above range, the smoothing effect of the outer surface 12A of peeling agent layer becomes particularly significant.
For high smooth grade, the maximum rising height Rp (Rp of the 1st face 11A of substrate 111) preferably 10nm or more and 500nm are hereinafter, more preferably 15nm or more and 350nm or less.As a result, as described later, in the 1st face of substrate 11 The upper bumps that can fill up the 1st face 11A of 11A and form the peeling agent layer 12 that have passed through smoothing.Therefore, maximum rising height Rp1 When within the above range, the smoothing effect of the outer surface 12A of peeling agent layer becomes particularly significant.
For high smooth grade, the arithmetic average roughness Ra (Ra of the 2nd face 11B of substrate 112) preferably 1nm or more and 40nm are hereinafter, more preferably 2nm or more and 20nm or less.In addition, for high smooth grade, substrate The maximum rising height Rp (Rp of 11 the 2nd face 11B2) be preferably 10nm or more and 500nm hereinafter, more preferably 15nm or more and 350nm is hereinafter, particularly preferably 20nm or more and 300nm or less.
By using the substrate of such high smooth grade, even if stripping film 1 and on it ceramic green sheet made of film Have passed through and batch, due to the back side (the 2nd face side 11B) of the stripping film 1 contacted with coating surface be it is smooth, ceramics The damage that raw cook is extruded and is subject to disappears, and the quality of ceramic capacitor improves.
It should be noted that for all-purpose grade, the arithmetic average roughness Ra of the 1st face 11A of substrate 11 (Ra1) be usually 5nm or more and 80nm hereinafter, the 1st face 11A of substrate 11 maximum rising height Rp (Rp1) it is usually 100nm Above and 700nm or less.In addition, for all-purpose grade, the arithmetic average roughness Ra of the 2nd face 11B of substrate 11 (Ra2) be usually 5nm or more and 80nm hereinafter, the 2nd face 11B of substrate 11 maximum rising height Rp (Rp2) be usually 100 with Upper and 700nm or less.
It should be noted that in the present specification, the 1st face 11A of substrate 11 and the arithmetic average roughness of the 2nd face 11B Ra and maximum rising height Rp is according to JIS B0601-1994 and by the surface finish measurement of Mitsutoyo K.K.'s manufacture Instrument SV3000S4 (contact pin type) is measured and the value that finds out.Moreover, in the present specification, unless otherwise indicated, " arithmetic mean roughness Degree and maximum rising height " refers to value obtained from measurement as described above.
The average film thickness of substrate 11 is not particularly limited, preferably 10 μm or more and 300 μm hereinafter, more preferably 15 μm with It is upper and 200 μm or less.Thus, it is possible to make the flexibility appropriateness of stripping film 1 while making the patience relative to tearing or fracture etc. Also especially excellent.
(peeling agent layer)
The peeling agent layer 12 of present embodiment is set on the 1st face 11A of substrate 11.Peeling agent layer 12 is formed by remover It is formed with the solidfied material of material.Moreover, in the present embodiment, due to using (A) energy ray-curable compound therefore, removing Oxidant layer 12 can be by irradiating active energy ray with material to peeling agent layer formation and being solidified to form it.The peeling agent layer 12 can Flatness, fissility and resistance to blocking are assigned to stripping film 1.
Arithmetic average roughness Ra (the Ra of the outer surface 12A of peeling agent layer 120) it is preferably 15nm hereinafter, more preferably 8nm or less.In addition, the maximum rising height Rp (Rp of the outer surface of peeling agent layer 120) it is preferably 50nm hereinafter, more preferably 45nm or less.As a result, when the outer surface side 12A of peeling agent layer 12 forms raw cook, it can more be prevented securely from raw cook and generate pin hole Or local thickness is uneven, and the surface of raw cook is made to become more high smooth.
If it is the peeling agent layer 12 of present embodiment, even if being then high smooth and base as described above in outer surface 12A 2nd face 11B of material 11 is also that will not stick together in the case that height is smooth.
It should be noted that aftermentioned peeling agent layer formation material when on the 1st face 11A for be coated on substrate 11, has There is appropriate mobility.Therefore, if using such peeling agent layer formation material, substrate 11 can be easily embedded to The bumps of 1st face 11A can keep the state of the embedment.As a result, can prevent substrate 11 it is concave-convex to peeling agent layer 12 with The opposite outer surface side 12A of substrate 11 impacts, and the outer surface 12A of peeling agent layer 12 can be made smooth.
The average thickness of peeling agent layer 12 is preferably 0.2 μm or more and 2 μm hereinafter, more preferably 0.3 μm or more and 1.5 μm Below.When the average thickness of peeling agent layer 12 is above-mentioned lower limit or more, the smooth of the outer surface 12A of peeling agent layer 12 can be improved Property, it can more be prevented securely from raw cook and generate pin hole or local thickness's unevenness.On the other hand, peeling agent layer 12 with a thickness of above-mentioned When below the upper limit, the curling of the stripping film 1 caused by the cure shrinkage of peeling agent layer 12 can be prevented, in addition, can inhibit due to volume The 2nd face 11B of substrate 11 and the outer surface 12A of peeling agent layer 12 for taking stripping film 1 and being in contact stick together.
The elasticity modulus of peeling agent layer 12 be preferably 3.5GPa or more and 8.0GPa hereinafter, more preferably 4.0GPa or more and 8.0GPa following.When the average elastic modulus of peeling agent layer 12 is in above range, the outer surface 12A of peeling agent layer 12 is enough Firmly, in the case where stripping film has occurred closely sealed each other, it can inhibit and be segregated in the hydrophobized silica on surface and sink to.By This, can further improve by the imparting effect of hydrophobized silica bring resistance to blocking.
It should be noted that in the present specification, the elasticity modulus of peeling agent layer 12 uses nano-hardness tester (MTS company System, trade name " Nano Indenter SA4 "), in maximum compression distance 100nm, the rate of straining 0.05sec of pressure head-1, displacement Nano indentation test is carried out under conditions of amplitude 2nm, vibration frequency 45Hz, determines the envelope elasticity modulus of above-mentioned stripping film. In addition, in the present specification, unless otherwise indicated, " elasticity modulus " refers to the value measured as described above.
(remover, which is formed, uses material)
Here, being illustrated to the peeling agent layer formation for the peeling agent layer 12 for being used to form present embodiment with material.
It is molten that the peeling agent layer formation material of present embodiment contains (A) energy ray-curable compound, (B) hydrophobic SiClx Glue and (C) removing assign ingredient.
(energy ray-curable compound)
As (A) energy ray-curable compound of present embodiment, it is not particularly limited, it can be from conventionally known substance Middle selection.As (A) energy ray-curable compound, monomer, oligomer and resin, the Yi Jihan of energy ray-curable can be enumerated There are their compositions etc..
As concrete example, multifunctional (methyl) acrylate, carbamate (methyl) acrylate, polyester can be enumerated (methyl) acrylate, polyethers (methyl) acrylate, organosilicon (methyl) acrylate etc..They can be used alone one Kind, it can also be applied in combination two or more.
It as multifunctional (methyl) acrylate, can enumerate: 1,4-butanediol two (methyl) acrylate, 1,6- hexylene glycol Two (methyl) acrylate, neopentyl glycol two (methyl) acrylate, ethylene glycol two (methyl) acrylate, two (first of propylene glycol Base) acrylate, hexylene glycol two (methyl) acrylate, trimethylolethane trimethacrylate (methyl) acrylate, trimethylolpropane Three (methyl) acrylate, pentaerythrite four (methyl) acrylate, dipentaerythritol six (methyl) acrylate, glycerol three (methyl) acrylate and (methyl) acrylic acid triallyl etc..They can be used alone, and can also be applied in combination It is two or more.In these, since appropriate rockiness can be assigned to peeling agent layer 12, more preferably use pentaerythrite four (methyl) acrylate or dipentaerythritol six (methyl) acrylate.
In addition, being also possible to multifunctional (methyl) acrylic acid containing functional group as multifunctional (methyl) acrylate Ester.As used functional group, preferably hydroxyl, the hydrophobization silica solution of (B) ingredient can be made in peeling agent layer formation material In dispersibility and optimized in the universal existence that is formed by peeling agent layer 12.Acrylic compounds as hydroxyl The concrete example for closing object, can enumerate pentaerythrite three (methyl) acrylate, dipentaerythritol three (methyl) acrylate, two seasons penta Tetrol four (methyl) acrylate, dipentaerythritol five (methyl) acrylate, trimethylolpropane two (methyl) acrylate, And pentaerythrite two (methyl) acrylate etc..They can be used alone, and can also be applied in combination two or more.These In, since appropriate rockiness can be assigned to peeling agent layer 12, more preferably use pentaerythrite three (methyl) acrylic acid Ester.In addition, can make to remove by being crosslinked of carrying out using crosslinking agent if multifunctional (methyl) acrylate has functional group Oxidant layer 12 is cured by the method for energy line and both systems of heating, and cured degree can be made to reach desired water It is flat.
In addition, multifunctional (methyl) acrylate is it is also preferred that more containing EO (ethylene oxide) or PO (propylene oxide) add-on type Function (methyl) acrylate.
EO (ethylene oxide) or PO (propylene oxide) add-on type multifunctional (methyl) acrylate refer to, are made using acrylic acid Compound obtained from EO or PO add-on type polyalcohol is esterified.It is specific enumerable: EO or PO modified glycerol triacrylate, The modified trimethylolpropane acrylates of EO or PO, EO or the modified pentaerythritol tetraacrylate of PO and EO or PO modified two Six acrylate of pentaerythrite etc..They can be used alone, and can also be applied in combination two or more.In these, due to It can be by assigning appropriate flexibility to peeling agent layer 12 to prevent the crackle or cracking of peeling agent layer 12 from therefore can make With the modified dipentaerythritol hexaacrylate of EO or PO, EO or the modified trimethylolpropane tetra-acrylate of PO.
Peeling agent layer forms the content (In to convert with solid component with (A) energy ray-curable compound in material The content ratio in all solids ingredient in addition to solvent) it is preferably the 50 above of mass %
(hydrophobization silica solution)
The type of (B) hydrophobization silica solution as present embodiment, can enumerate alkoxysilane compound containing trialkylsilyl group in molecular structure and chlorosilane The colloidal sol of the silicon dioxide microparticles such as compound.By (B) hydrophobization silica solution, resistance to blocking can be assigned to peeling agent layer 12.
As alkoxysilane compound containing trialkylsilyl group in molecular structure, as long as the silicon compound with water-disintegrable alkoxy, is just not particularly limited, Such as the compound of general formula (1) expression can be enumerated.
R1 nSi(OR2)4-n···(1)
In above-mentioned general formula, R1Indicate hydrogen atom or non-hydrolyzable group.As non-hydrolyzable group, alkyl can be enumerated, taken Substituted alkyl (substituent group: halogen atom, epoxy atom, (methyl) acryloxy etc.), alkenyl, aryl and aralkyl etc..R2It indicates Low alkyl group (alkyl that carbon atom number is 1~10 (preferably carbon atom number is 1~4)).The integer that n is 0~2, R1And OR2Respectively In the case where multiple, multiple R1It can be the same or different, in addition, multiple OR2It can be the same or different.
Herein, the alkoxysilane compound containing trialkylsilyl group in molecular structure indicated as above-mentioned general formula (1), can enumerate: tetramethoxy-silicane, four ethoxies Base silane, four positive propoxy silane, tetraisopropoxysilan, four n-butoxy silanes, tetraisobutoxy-silicane alkane, four sec-butoxies Silane, four tert-butoxy silanes, trimethoxy silane hydride, triethoxysilane hydride, tripropoxy silane hydride, Methyltrimethoxysilane, methyltriethoxysilane, methyl tripropoxy silane, three isopropoxy silane of methyl, ethyl three Methoxy silane, ethyl triethoxysilane, propyl-triethoxysilicane, butyl trimethoxy silane, phenyl trimethoxy silicon Alkane, phenyl triethoxysilane, γ-acryloyloxypropyltrimethoxysilane, γ-methacryloxypropyl trimethoxy Base silane, dimethyldimethoxysil,ne, aminomethyl phenyl dimethoxysilane, vinyltrimethoxysilane, three second of vinyl Oxysilane, divinyl dimethoxysilane and divinyl diethoxy silane etc..They can be used alone, It can also be applied in combination two or more.
In this case, as alkoxysilane compound containing trialkylsilyl group in molecular structure, if being 1 or 2 and R by the n compound for being 0 or n1For hydrogen Inorganic silicon dioxide class solidfied material then can be obtained in the compound complete hydrolysis of atom, if partial hydrolysis, can obtain gathering organic The mixing class solidfied material of type siloxane solidfied material or inorganic silicon dioxide class and poly organo siloxane.
On the other hand, n is 1 or 2 and R1For non-hydrolyzable group compound due to non-hydrolyzable group, Poly organo siloxane solidfied material can be obtained by partly or completely all-hydrolytic.
As chlorosilane cpd, ethyl dichlorosilane, ethyl trichlorosilane, dimethyldichlorosilane, trichlorine can be enumerated Silane, trim,ethylchlorosilane, dimethyldichlorosilane and methyl trichlorosilane etc..They can be used alone, can also be with It is applied in combination two or more.
Silica solution is made of silicon dioxide microparticle is dispersed in water or organic solvent with collosol state.
Such organic solvent is not particularly limited, the molten fibre of methanol, ethyl alcohol, isopropanol, ethylene glycol, n-propyl can be enumerated Agent, methyl ethyl ketone, methyl iso-butyl ketone (MIBK), dimethyl acetamide, propylene glycol monomethyl ether, hexamethylene, benzene and toluene etc..They can be with One kind is used alone, can also be applied in combination two or more.In these, from boiling point it is relatively high from the viewpoint of, more preferable methyl Isobutyl ketone, propylene glycol monomethyl ether.
(B) hydrophobization silica solution is some or all of silanol group of silica particle surface through having hydrophobicity base Hydrophobization silica solution made of the surface modifier processing of group.
Herein, as surface modifier, can enumerate while have can be with the silanol group in silica particle surface The functional group of reaction and the silane coupling agent of hydrophobic group.
It as the commercially available product of (B) hydrophobization silica solution, can enumerate for example: CIK Nanotech corporation SIRPGM15WT%-E26 etc..
(B) hydrophobic degree of hydrophobization silica solution is judged by following methods: by silica solution coated on PET film, being removed molten Agent and silica solution film is made, measure relative to the film water contact angle.
More specifically, in the case where foring the film of (B) hydrophobization silica solution, water is excellent to the contact angle of the film It is selected as 100 ° or more.
That is, water be 100 ° or more to the contact angle of the film of silica solution value when, can determine whether that the surface of silica solution is hydrophobic Property.
Herein, the mode conceptually illustrated for the segregation status to (B) hydrophobization silica solution is shown in Fig. 2 Figure.
In the case where the peeling agent layer formation material using present embodiment forms film, as shown in Fig. 2, can Understand, hydrophobization silica solution P can largely be present in the outer surface 12A of peeling agent layer 12 in peeling agent layer 12, and be present in base Ratio of the 1st face 11A of material 11 nearby and in peeling agent layer 12 is low.
Therefore, the rough surface of appropriateness can be assigned to the surface of peeling agent layer 12 by adding a small amount of hydrophobization silica solution Degree.Therefore, even if in the case where stripping film 1 overlaps each other and have passed through the time, it is also possible to prevent the 2nd face 11B of substrate 11 Stick together between peeling agent layer 12,
I.e., it is appreciated that since addition small amount can play given resistance to blocking effect, can be formed flat The excellent peeling agent layer of slip.
It should be noted that in the case where foring the film of (B) hydrophobization silica solution, contact angle of the water to the film More preferably 100 ° or more and 130 ° or less.
On the other hand, it has confirmed that, in the case where foring the film of silica solution, when contact angle of the water to the film is When the hydrophily of value, silica solution less than 100 ° improves, silica solution will not be segregated in the outer surface 12A of peeling agent layer 12, but Exist with the state being scattered in entire peeling agent layer 12.
Therefore, it is appreciated that resistance to blocking can not be assigned to peeling agent layer 12.
It should be noted that measuring water in the case where foring the film of silica solution to the side of the contact angle of the film Method will specifically describe in embodiment 1.
(B) average grain diameter of hydrophobization silica solution is preferably 10nm or more and 100nm or less.Average grain diameter is 10nm or more When, it can further improve the resistance to blocking of peeling agent layer 12.On the other hand, when average grain diameter is 100nm or less, it can be ensured that removing The flatness of the outer surface 12A of oxidant layer 12.
Therefore, the average grain diameter of (B) hydrophobization silica solution is preferably 10nm or more and 50nm hereinafter, further preferably 15nm or more and 40nm or less.
It should be noted that the average grain diameter of (B) hydrophobization silica solution is surveyed using laser diffraction and scattering formula size distribution Partial size (median particle diameter D50) when the aggregate-value for determining the size distribution that device is found out is 50%.
Relative to above-mentioned 100 mass parts of (A) energy ray-curable compound, the content of (B) hydrophobization silica solution is with solid Ingredient conversion is preferably 0.4 mass parts or more and 100 below the mass, it is more than more preferably 0.4 mass parts and 30 mass parts with Under, even more preferably for more than 0.4 mass parts and 10 below the mass, more than particularly preferably 0.4 mass parts and 3 mass parts Below.When content is above-mentioned lower limit or more, sufficient resistance to blocking can be assigned to peeling agent layer 12.On the other hand, content is When below the above-mentioned upper limit, it can be ensured that the adaptation of peeling agent layer 12 and substrate 11.
(removing assigns ingredient)
(C) removing as present embodiment assigns ingredient, can enumerate for example: organo-silicon compound, fluorine compounds and length Alkyl group modified compound etc..They can be used alone, and can also be applied in combination two or more.It removes and assigns as (C) Ingredient is given, particularly preferred organo-silicon compound can enumerate the polysiloxane of the strand with straight-chain or branch-like.It is logical It crosses (C) removing and assigns ingredient, the fissility of peeling agent layer 12 can be assigned.Additionally, it is preferred that polysiloxane is at the end of strand At least any place in end and side chain has reactive functional groups, and the reactive functional groups have selected from (methyl) acryloyl It is at least one kind of in base, vinyl, hydroxyl, thiol base and dimaleoyl imino.In addition, polysiloxane is more preferably above-mentioned Reactive functional groups are directly or via poly organo made of the silicon atom bonding in divalent connection group and above-mentioned strand Alkane.Above-mentioned reactive functional groups at least have 1 in 1 molecule.
In addition, link group as divalent, it can be mentioned, for example: alkylidene, alkylidene oxygroup, oxygroup, imido grpup, carbonyl and By connection group of divalent made of these moiety combinations etc..
The carbon atom number that divalent links group is preferably 1~30, and more preferably 1~10.
In addition, two or more can be applied in combination in polysiloxane as needed.
Modified polyorganosiloxanes made of such reacted property functional group replaces are in (A) energy ray-curable compound Cross-linked structure and fixation are imported into when solidifying by irradiating active energy ray.Can inhibit as a result, as peeling agent layer 12 at Point raw cook from polysiloxane to the outer surface side 12A for being formed in peeling agent layer 12 transfer.
The organic group other than the reactive functional groups for assigning ingredient is removed as composition (C), can enumerate and not have fat Identical or different kind 1 valency alkyl of race's unsaturated bond etc..
As 1 valency alkyl, preferably carbon atom number be 1~12 1 valency alkyl, the 1 valence hydrocarbon that more preferable carbon atom number is 1~10 Base.
As 1 valency alkyl, alkyl (methyl, ethyl and propyl etc.) and aryl (phenyl, tolyl etc.) etc. can be enumerated.
In addition, the above are methyl by 80 moles of % in preferably 1 valency alkyl as 1 valency alkyl.It can make peeling agent layer as a result, 12 fissility is especially excellent.
Relative to above-mentioned 100 mass parts of (A) energy ray-curable compound, (C) removing assigns the content of ingredient with solid Ingredient conversion is preferably 0.01 mass parts or more and 20 below the mass, it is more than more preferably 0.02 mass parts and 15 mass parts with Under, especially it is more preferably 0.05 mass parts or more and 10 below the mass.When content is above-mentioned lower limit or more, remover can be improved The fissility of layer 12.On the other hand, when content is the above-mentioned upper limit or less, in the surface coating ceramic slurry of peeling agent layer 12, It can inhibit the repulsion to ceramic slurry.
(Photoepolymerizationinitiater initiater)
In order to make peeling agent layer formation material solidification, peeling agent layer formation material can also draw containing (D) photopolymerization Send out agent.It, can be effectively when irradiating active energy ray with material to peeling agent layer formation by containing (D) Photoepolymerizationinitiater initiater Form peeling agent layer 12.Herein, Photoepolymerizationinitiater initiater refers to, is generated free radicals by the irradiation of ultraviolet light isoreactivity energy line The compound of kind.
As (D) Photoepolymerizationinitiater initiater, it can be mentioned, for example: benzoin, benzoin methylether, benzoin ethyl ether, benzoin are different Propyl ether, benzoin n-butylether, benzoin isobutyl ether, acetophenone, dimethylamino benzoylformaldoxime, 2,2- dimethoxy -2- phenyl benzene Ethyl ketone, 2,2- diethoxy -2- phenyl acetophenone, 2- hydroxy-2-methyl -1- phenyl-propane -1- ketone, 1- hydroxycyclohexylphenyl Ketone, 2- methyl-1-[4- (methyl mercapto) phenyl]-2- morpholinyl-1- acetone, 4- (2- hydroxyl-oxethyl) phenyl-2- (hydroxyl-2- Propyl) ketone, benzophenone, to phenyl benzophenone, 4,4- diethylamino benzophenone, dichloro benzophenone, 2- methyl anthracene Quinone, 2- ethyl hydrazine, 2- tert-butyl anthraquinone, 2- amino anthraquinones, 2- methyl thioxanthones, 2- ethyl thioxanthones, 2-chlorothioxanthone, 2, 4- dimethyl thioxanthone, 2,4- diethyl thioxanthone, benzoin dimethylether, acetophenone dimethyl ketal, to dimethyl amine benzene first Acid esters and oligomeric [2- hydroxy-2-methyl -1- [4- (1- methyl ethylene) phenyl] propane] etc..They can be used alone one Kind, it can also be applied in combination two or more.
In the case where use (D) Photoepolymerizationinitiater initiater, content is converted with solid component relative to above-mentioned (A) energy line 100 mass parts of curability compound be preferably 0.5 mass parts or more and 20 below the mass, it is more than more preferably 0.2 mass parts And 20 below the mass, especially more than more preferably 0.5 mass parts and 15 below the mass.Content within the above range when, stripping Even the thickness from oxidant layer 12 is difficult to obtain the thickness of the range of curability due to oxygen inhibition, also available especially excellent Curability.
The peeling agent layer formation of present embodiment with material remove above-mentioned (A) ingredient, above-mentioned (B) ingredient, above-mentioned (C) ingredient and Other than above-mentioned (D) ingredient, other ingredients can also be contained.As other ingredients, it can be mentioned, for example crosslinking agents, antioxidant, ultraviolet Light absorbers, antistatic agent, polymerization accelerant, polymerization inhibitor, infrared absorbent and plasticizer etc..As crosslinking agent, above-mentioned (A) when using hydroxyl in the functional group of ingredient, polyvalent isocyanate compound, multivalence epoxide, multivalence nitrogen third can be used Acridine compound and polyvalent metal chelate compound etc..
Using other ingredients, content is converted with solid component relative to above-mentioned (A) energy ray-curable 100 mass parts of compound be preferably 0.01 mass parts or more and 5 below the mass, more than more preferably 0.02 mass parts and 3 matter Part is measured hereinafter, being especially more preferably 0.05 mass parts or more and 2 below the mass.
The peeling agent layer formation material of present embodiment can be by mixing above-mentioned (A1) ingredient and above-mentioned (B) ingredient etc. And disperses and manufacture.It should be noted that can according to need when manufacture peeling agent layer is formed with material with bonding solvent.
As the solvent of present embodiment, it can be mentioned, for example: methanol, ethyl alcohol, normal propyl alcohol, isopropanol, n-butanol, isobutyl Alcohol, amylalcohol, ethyl cellosolve, benzene,toluene,xylene, ethylbenzene, hexamethylene, ethyl cyclohexane, ethyl acetate, butyl acetate, first Ethyl ketone, methyl iso-butyl ketone (MIBK), cyclohexanone, tetrahydrofuran, propylene glycol monomethyl ether and water etc..They can be used alone, It can be applied in combination two or more.
(manufacturing method of stripping film)
Next, being illustrated to the method for the stripping film 1 for manufacturing present embodiment above-mentioned.
The stripping film 1 of present embodiment is using the method manufacture for having following processes: the substrate for preparing substrate 11 prepares Process;Pass through coating peeling agent layer formation material and makes it dry the coating layer formation process to form coating layer;And it is logical Cross the peeling agent layer formation process for making it be solidified to form peeling agent layer 12 coating layer irradiation active energy ray.
In substrate preparatory process, prepare substrate 11.
1st face 11A of substrate 11 can be implemented to be surface-treated.Thus, it is possible to make substrate 11 and be set to substrate 11 The adaptation of the peeling agent layer 12 in the 1st face side 11A is especially excellent.
As surface treatment, it can be mentioned, for example: Corona discharge Treatment, plasma discharge processing, chromium oxidation processes are (wet Formula), flame treatment, hot wind processing, ozone and ultraviolet treatment with irradiation etc..These surface treatments can be according to the type of substrate 11 And it suitably selects, but, it is preferable to use Corona discharge Treatment usually from the viewpoint of effect and operability.
In coating layer formation process, by peeling agent layer formation above-mentioned with material be coated on substrate 11 the 1st face 11A, And it makes it dry.Thus coating layer is obtained.
If the bumps of the 1st face 11A of substrate 11 can be filled using peeling agent layer formation material above-mentioned.Its As a result, the outer surface 12A of peeling agent layer 12 can be made smooth.
As the method for coating peeling agent layer formation material, it can be mentioned, for example: gravure coating process, stick coating method, spray coating method, Spin-coating method, air knife coating method, rolling method, knife coating, horizontal roller coating method and die coating method etc..
As the method for dry peeling agent layer formation material, it is not particularly limited, it can be mentioned, for example: pass through heated-air drying The method etc. that furnace etc. is dried.
It as drying condition, is not particularly limited, drying temperature is preferably 50 DEG C or more and 130 DEG C hereinafter, drying time Preferably 5 seconds or more and 1 minute or less.This prevents coating layer do not expect it is rotten, and can particularly effectively shape At coating layer.As a result, the productivity of finally obtained stripping film 1 can be improved.In addition, drying temperature within the above range when, In the case where peeling agent layer formation material contains solvent etc., the evaporation of solvent when can prevent with drying etc. generates coating The warpage of layer or crack etc..
In peeling agent layer formation process, by irradiating active energy to coating layer obtained in above-mentioned coating layer formation process Amount line simultaneously makes it be solidified to form peeling agent layer 12.
In this process, by making in above-mentioned coating layer formation process, the 1st face 11A's for being accurately embedded to substrate 11 is recessed Convex coating layer directly solidifies in the state of keeping the flatness of its outer surface 12A.As a result, outer surface 12A foot can be obtained Enough smooth peeling agent layers 12.In addition, can be obtained by making peeling agent layer formation material include foregoing constituent To the peeling agent layer 12 of the electric conductivity with appropriateness.
As active energy ray, it can be mentioned, for example: electromagnetic wave (infrared ray, visible light, ultraviolet light and X-ray etc.) and particle Beam (electron beam, ion beam, neutron beam and alpha ray etc.) etc.., it is preferable to use ultraviolet light or visible light, more preferably use in these Ultraviolet light.Thus, it is possible to be easier and effectively form peeling agent layer 12.
It, can be when abundant shortening makes the cured solidification of coating layer in the case where using ultraviolet light as active energy ray Between while, solidify coating layer equably.In addition, the method as irradiation active energy ray, is not particularly limited, it is available Various conventional methods.For example, the light sources such as high-pressure mercury-vapor lamp, metal halide lamp and Excimer lamp can be used as light source Lamp.
In the case where irradiating active energy ray (ultraviolet light), for the exposure of active energy ray, accumulated light Preferably 30mJ/cm2Above and 400mJ/cm2Hereinafter, more preferably 50mJ/cm2Above and 300mmJ/cm2Below.In addition, living The illumination of property energy line is preferably 0.1W/cm2Above and 4.0W/cm2Below.Ultraviolet irradiation amount and illumination are in above range When interior, coating layer can be made more evenly and effectively to solidify.
(application method of stripping film)
Next, being illustrated to the method for the stripping film 1 for using present embodiment above-mentioned.
The stripping film 1 that present embodiment can be used manufactures ceramic capacitor.It, can as the manufacturing method of ceramic capacitor Enumerate such as following methods: the peeling agent layer 12 of stripping film 1 surface coating ceramic powder dispersed paste and drying and formed After raw cook, it is laminated from the raw cook after the removing of stripping film 1, is fired and obtains potsherd, form electrode on the potsherd.This The stripping film 1 of embodiment due to being not susceptible to adhesion, the outer surface 12A and substrate 11 of peeling agent layer 12 can be made Both 2nd face 11B realize high smooth.As a result, if formed using the raw cook formed using the stripping film 1 of present embodiment The ceramic capacitor that can prevent the high reliablity of the unfavorable condition caused by short circuit then can be obtained in ceramic capacitor.
(function and effect of embodiment)
According to the present embodiment, function and effect as described below can be played.
(1) the peeling agent layer formation containing (A) energy ray-curable compound can easily be embedded to substrate 11 with material The 1st face 11A bumps, and the state of the embedment can be kept.As a result, the bumps of substrate 11 can be prevented to peeling agent layer 12 The outer surface 12A side opposite with substrate 11 impacts, and the outer surface 12A of peeling agent layer 12 can be made smooth.
(2) (B) hydrophobization silica solution is utilized, peeling agent layer 12 can also be assigned even if with few content adequately anti-stick Lian Xing.Moreover, the flatness of the outer surface 12A of peeling agent layer 12 can also be kept even if using (B) hydrophobization silica solution.This Outside, it utilizes (C) removing to assign ingredient, fissility can also be assigned to peeling agent layer 12.
The more specific example of raw cook formation stripping film as present embodiment, it can be mentioned, for example following such lifes Piece forms the example for using stripping film, but the present invention is not limited to such examples.
An example of raw cook formation stripping film as present embodiment, can enumerate following raw cook formation stripping films: its Have substrate and be set to above-mentioned substrate one side peeling agent layer, above-mentioned peeling agent layer by remover formation material solidification Object is formed, which uses material to contain (A) as the acrylic compounds chemical combination of the hydroxyl of energy ray-curable compound The organo-silicon compound of object, (B) hydrophobization silica solution and (C) as removing imparting ingredient.
An example of raw cook formation stripping film as present embodiment, can enumerate following raw cook formation stripping films: its Have substrate and be set to above-mentioned substrate one side peeling agent layer, above-mentioned peeling agent layer by remover formation material solidification Object is formed, which uses material to contain (A) as the acrylic compounds chemical combination of the hydroxyl of energy ray-curable compound The organo-silicon compound and (D) Photoepolymerizationinitiater initiater of object, (B) hydrophobization silica solution, (C) as removing imparting ingredient.
[deformation of embodiment]
The present invention is not limited to embodiment above-mentioned, it can be achieved that deformation, improvement etc. in the range of the purpose of the present invention Also it is included in the present invention.
For example, for substrate 11, being illustrated in the form of single layer structure, but unlimited in embodiment above-mentioned Due to this.Substrate 11 can also be formed as 2 layers or more of multilayered structure of the same race or not of the same race.In addition, about peeling agent layer 12 Similarly, it is illustrated in the form of single layer structure, but not limited thereto.About peeling agent layer 12, can also be formed as same Kind or 2 layers or more of multilayered structure not of the same race.
In addition, being provided with peeling agent layer 12 on the 1st face 11A of substrate 11 for example in embodiment above-mentioned Raw cook formation is illustrated with stripping film, and but not limited thereto.Peeling agent layer can be set in the 2nd face side 11B of substrate 11 12。
Embodiment
Next, in conjunction with the embodiments and the present invention is described in more detail in comparative example, but the present invention is not appointed by these examples What is limited.It should be noted that the material described below used in Examples and Comparative Examples.
((A) ingredient)
Energy ray-curable compound: pentaerythritol triacrylate, trade name " NK ESTER A-TMM-3L ", it is new in Village's chemical industry Co. Ltd. system, 100 mass % of solid component
((B) ingredient)
Silica solution A: hydrophobization silica solution, average grain diameter 30nm, trade name " SIRPGM15WT%-E26 ", CIK Nanotech corporation
Silica solution B: hydrophobization silica solution, average grain diameter 30nm, trade name " SIRMIBK15WT%-E83 ", CIK Nanotech corporation
(other ingredients)
Silica solution C: silica solution, average grain diameter 100nm, trade name " SIRMIBK15WT%-K18 ", CIK Nanotech are public Department's system
Silica solution D: silica solution, average grain diameter 30nm, trade name " OSCAL-1632 ", RiHui catalyst synthesis Co., Ltd's system
Silica solution E: silica solution, average grain diameter 15nm, trade name " MIBK-ST ", Nissan Chemical Ind Ltd's system
Silica solution F: silica solution average grain diameter 100nm, trade name " SIRMIBK-E65 ", CIK Nanotech corporation
((C) ingredient)
Removing assigns ingredient: trade name " SH-28 ", Toray Dow Corning corporation
((D) ingredient)
Photoepolymerizationinitiater initiater: trade name " Irgacure 184 ", BASF AG's system
[embodiment 1]
Firstly, prepared as substrate polyethylene terephthalate film (trade name " Lumirror U48 ", Toray corporation, thickness: 38 μm, the arithmetic average roughness Ra (Ra in the 1st face1): 2nm, the 1st face maximum rising height Rp (Rp1): 15nm, the 2nd face arithmetic average roughness Ra (Ra2): 2nm, the 2nd face maximum rising height Rp (Rp2): 15nm).
Next, assigning 100 mass parts of energy line curability compound, 0.4 mass parts of silica solution A, removing to ingredient 5 Mass parts and the mixing of 5 mass parts of Photoepolymerizationinitiater initiater, are diluted using propylene glycol monomethyl ether, have obtained 15 matter of solid component Material is used in the peeling agent layer formation of amount %.
Then, obtained peeling agent layer formation is coated on the 1st face of substrate with Meyer stick with material, is done at 70 DEG C After dry 1 minute, high-pressure mercury light irradiation ultraviolet light (accumulated light: 300mJ/cm is used2), form peeling agent layer (thickness: 1 μ M), raw cook formation stripping film has been obtained.
[embodiment 2~7 and the Comparative Examples 1 to 5]
Cooperate each material, in addition to this, obtained peeling agent layer similarly to Example 1 according to composition shown in table 1 Formation material.
In addition, obtained peeling agent layer formation material has been used to make life similarly to Example 1 in addition to this Stripping film is used in piece formation.
[evaluation of silica solution and stripping film]
The evaluation (contact angle of silica solution) of silica solution and the evaluation of stripping film have been carried out by following such method (elasticity modulus of resistance to blocking, the surface roughness of peeling agent layer and peeling agent layer).The obtained results are shown in tables 1.
(1) contact angle of silica solution
Using the silica solution used in Examples and Comparative Examples, silica solution painting is formd on flat glass substrate Film.Then, glass substrate is stood, when making 0 degree of the inclination angle of glass substrate, dropwise addition 2 μ L of water droplet passes through when drop is static Young formula finds out water contact angle.
(2) resistance to blocking
Stripping film is cut into the size of 100mm × 100mm, 2 or more identical stripping films are overlapped.On it to reach 10kg/m2Mode apply load, be superimposed on together after 5 days.
Under fluorescent light, it confirmed stripping film by range estimation whether there is or not adhesions.In turn, according to following benchmark evaluation resist blocking and that Property.
A: film surface does not adhere to each other.
B: film surface is adhered to each other.
(3) surface roughness of peeling agent layer
The light interference type surface roughness meter " WYKO-1100 " manufactured using Veeco company, with PSI mode in lens times Surface roughness (the arithmetic average roughness Ra of the peeling agent layer of stripping film is determined under conditions of 50 times of rate0And maximum protrusion Height Rp0, unit: nm).
(4) elasticity modulus of peeling agent layer
Using nano-hardness tester (MTS corporation, trade name " Nano Indenter SA4 "), in the maximum indentation of pressure head Depth 100nm, rate of straining 0.05sec-1, displacement amplitude 2nm, carry out nano indentation test under conditions of vibration frequency 45Hz, Determine the envelope elasticity modulus of above-mentioned stripping film.
It can also clearly be confirmed according to result shown in table 1, the remover containing hydrophobization silica solution is being used to be formed With under (Examples 1 to 7) the case where material, even if the 2nd face of peeling agent layer and substrate is all high smooth, also available tool There is the raw cook formation stripping film of sufficient resistance to blocking.
Industrial applicibility
Raw cook formation stripping film of the invention can be suitable for use as the technology of forming ceramic raw cook.

Claims (5)

1. a kind of raw cook, which is formed, uses stripping film, it is used to form raw cook,
The raw cook formation has with stripping film:
Substrate and
It is set to the peeling agent layer of the one side of the substrate,
The peeling agent layer is formed by the solidfied material of remover formation material, which contains (A) energy Line curability compound, (B) hydrophobization silica solution and (C) removing assign ingredient.
2. raw cook according to claim 1, which is formed, uses stripping film, wherein
The average grain diameter of (B) the hydrophobization silica solution is 10nm or more and 100nm or less.
3. raw cook according to claim 1 or 2, which is formed, uses stripping film, wherein
In the case where foring the film of described (B) hydrophobization silica solution, water is 100 ° or more to the contact angle of the film.
4. raw cook described in any one of claim 1 to 3, which is formed, uses stripping film, wherein
The average thickness of the peeling agent layer is 0.2 μm or more and 2 μm or less.
5. raw cook according to any one of claims 1 to 4, which is formed, uses stripping film, wherein
The arithmetic average roughness Ra of the outer surface of the peeling agent layer is 8nm hereinafter, and the outer surface of the peeling agent layer Maximum rising height Rp is 50nm or less.
CN201880016629.1A 2017-03-09 2018-02-28 Stripping film is used in raw cook formation Pending CN110430981A (en)

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