WO2003066327A1 - Materiau de separation et agent de separation - Google Patents
Materiau de separation et agent de separation Download PDFInfo
- Publication number
- WO2003066327A1 WO2003066327A1 PCT/JP2003/001129 JP0301129W WO03066327A1 WO 2003066327 A1 WO2003066327 A1 WO 2003066327A1 JP 0301129 W JP0301129 W JP 0301129W WO 03066327 A1 WO03066327 A1 WO 03066327A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silicone
- release
- layer
- substrate
- release layer
- Prior art date
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- 150000002429 hydrazines Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000007603 infrared drying Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000012875 nonionic emulsifier Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000002897 organic nitrogen compounds Chemical class 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- HBEQXAKJSGXAIQ-UHFFFAOYSA-N oxopalladium Chemical compound [Pd]=O HBEQXAKJSGXAIQ-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 150000002941 palladium compounds Chemical class 0.000 description 1
- MUJIDPITZJWBSW-UHFFFAOYSA-N palladium(2+) Chemical compound [Pd+2] MUJIDPITZJWBSW-UHFFFAOYSA-N 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical class O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- PKELYQZIUROQSI-UHFFFAOYSA-N phosphane;platinum Chemical compound P.[Pt] PKELYQZIUROQSI-UHFFFAOYSA-N 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- NFOHLBHARAZXFQ-UHFFFAOYSA-L platinum(2+);dihydroxide Chemical compound O[Pt]O NFOHLBHARAZXFQ-UHFFFAOYSA-L 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
- C09J2433/005—Presence of (meth)acrylic polymer in the release coating
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2483/00—Presence of polysiloxane
- C09J2483/005—Presence of polysiloxane in the release coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/1452—Polymer derived only from ethylenically unsaturated monomer
- Y10T428/1457—Silicon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/1476—Release layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31993—Of paper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2311—Coating or impregnation is a lubricant or a surface friction reducing agent other than specified as improving the "hand" of the fabric or increasing the softness thereof
- Y10T442/2328—Organosilicon containing
Definitions
- the present invention relates to a release material such as a release paper, a release film, a release cloth, and the like used for an adhesive tape, a kraft tape, an adhesive sheet, a backing of an adhesive label, and a release agent used for the production thereof.
- a release material such as a release paper, a release film, a release cloth, and the like used for an adhesive tape, a kraft tape, an adhesive sheet, a backing of an adhesive label, and a release agent used for the production thereof.
- release materials represented by release paper are widely used.
- a releasable material can be produced by a method of directly applying a release agent liquid mainly composed of a solvent type, a non-solvent type or an emulsion type silicone resin to a base material such as paper.
- a release agent liquid mainly composed of a solvent type, a non-solvent type or an emulsion type silicone resin
- a base material such as paper.
- a method has a problem that when the substrate is permeable (for example, paper or the like), the coating liquid penetrates into the substrate, so that the amount of the silicone resin used increases.
- the mainstream method of laminating polyethylene on a base material and applying a solvent-type silicone resin on it to suppress the penetration of the coating liquid is now in use.
- the present invention does not require the application of an undercoat agent even when a permeable substrate such as paper is used, and can be manufactured by direct application to the substrate;
- An object of the present invention is to provide a release material and a release agent used in the production thereof. Disclosure of the invention
- the present inventors have conducted various studies to solve the above problems, and as a result, using a resin neutralized product obtained from a specific emulsion copolymer for a release layer, and a silicone emulsion, and Z or a silicone dispersion.
- the present inventors have found the following releasable materials, and have accomplished the present invention. That is, the present invention relates to the following:
- a release material comprising a substrate and a release layer on the substrate, wherein the surface layer of the release layer has a silicone layer having a thickness of 1 to 100 nm.
- a release material comprising a substrate and a release layer on the substrate, wherein the release layer comprises a polymer having a carboxylate group and silicone.
- a substrate comprising a substrate and a release layer on the substrate, wherein the surface silicon atom concentration of the release layer measured by XPS (X-ray photoelectron spectroscopy) is 10 to 30 atomic%; Releasable material.
- XPS X-ray photoelectron spectroscopy
- the surface silicon atom concentration of the release layer measured by XPS is 10 to 30 atomic%, according to any one of (1) to (11). Releasable material.
- the content of the silicone of the release layer is 1 to 50 mass 0/0, peelable material according to (14).
- the surface silicon atom concentration of the release layer measured by XPS is the average silicon atom concentration in the release layer calculated from the silicone content in the release layer.
- the base material is selected from the group consisting of paper, cloth, resin-laminated paper, resin-coated paper, resin film, resin tape, and resin sheet. A releasable material as described.
- a release agent comprising a polymer having a carboxylate group and silicone.
- (31) A method for producing a releasable material, comprising applying the release agent according to any one of (23) to (30) on a substrate and drying.
- a method for producing a pressure-sensitive adhesive sheet comprising a release substrate, a release layer on the release substrate, and an adhesive layer and a surface substrate sequentially laminated on the release layer, wherein the release layer and the release group
- the release layer is provided on the surface of the release material.
- the release layer of the present invention can be provided directly on the base material or, if necessary, provided with a polyethylene laminate layer, an undercoat layer, or the like, on the base material. However, from the viewpoint of recyclability and productivity, it is preferable to provide the release layer of the present invention directly on the substrate.
- the release material of the present invention comprises a substrate and a release layer on the substrate.
- the surface layer of the release layer preferably has a silicone layer having a thickness of 1 to 100 nm, more preferably 1 to 50 nm, and still more preferably 1 to 20 nm.
- the thickness of the silicone layer is an average value of the thickness measured by a transmission electron microscope. When the thickness of the silicone layer is within the above range, both the releasability, writability and printability are good. Good and preferred. According to the present invention, it is possible to obtain a release material in which the silicone layer is unevenly localized on the surface of the release layer.
- the release layer of the release material of the present invention may contain a silicone component in addition to the silicone layer on the surface of the release layer.
- a continuous layer of a polymer having a sulfonic acid salt described later exists besides the silicone layer of the surface layer portion, and it is more preferable that the continuous layer has a structure in which silicone is dispersed.
- the release material of the present invention preferably has a surface silicon atom concentration of 10 to 30 atomic%, more preferably 10 to 25 atomic%, of the release layer measured by XPS (X-ray photoelectron spectroscopy). %, More preferably 15 to 25 atomic%. Especially preferably, it is 22 to 25 atomic%.
- XPS X-ray photoelectron spectroscopy
- the average silicon atom concentration in the release layer calculated from the silicone content relative to the total solid content of the release layer is preferably from 0.2 to 4 atomic%, and XPS (X-ray photoelectron spectroscopy) Is preferably 5 times or more, more preferably 10 times or more the average silicon concentration.
- concentration is within the above range, it is possible to obtain a releasable material having excellent releasability even with a small amount of silicone used, and also excellent in printability and writability.
- the average silicon atom concentration in the release layer calculated from the content is 0.2.
- the atomic% representing the silicon atom concentration is based on the sum of all the atomic number quantification values having atomic numbers equal to or greater than the atomic number of the carbon atom measured by XPS (X-ray photoelectron spectroscopy). The ratio of silicon atoms is represented.
- the XPS X-ray photoelectron spectroscopy
- Thermo VG is a device that analyzes the kinetic energy of electrons, as long as it can analyze the qualitative, quantitative, and chemical states of elements present on the sample surface (analysis depth several nm).
- ESCALAB 250 made by the company.
- the release layer is preferably a polymer having a carboxylate group, and a release material containing silicone.
- a polymer having a carboxylate group results in superior peeling life, suppression of changes over time, improvement of the residual adhesiveness, and ease of writing on the peeled surface, compared to the use of a water-soluble resin such as polyvinyl alcohol. It is possible to achieve printability.
- the polymer having a carboxylate group used in the present invention is not particularly limited, but a polymer containing a sulfonic acid group obtained by polymerizing a monomer composition containing an unsaturated carboxylic acid monomer is completely used. Or partially neutralized ones.
- the release layer comprises (A) a completely or partially neutralized product of a polymer having a carboxylic acid group; B) It is preferably a releasable material using a silicone emulsion and / or a silicone dispersion. In the present invention, it is preferable to use a polymer having a carboxylic acid group in which some or all of the carboxylic acid groups are neutralized with a base.
- the polymer neutralized product of the present invention in the release agent layer, compared to the case of using a water-soluble resin such as polyvinyl alcohol, excellent release properties, suppression of changes over time, improvement of the residual adhesion rate, and improvement in the release surface Writability and printability can be achieved.
- the polymer having a carboxylic acid group used in the present invention is not particularly limited, and examples thereof include an emulsion copolymer of a monomer composition containing an unsaturated sulfonic acid monomer.
- the content of silicone relative to the total solid content of the release layer is not particularly limited, but is preferably 1 to 90% by mass.
- the content of silicone is 1% by mass or more, it is preferable in terms of development of releasability, more preferably 5% by mass or more, even more preferably 10% by mass or more.
- the content is 90% by mass or less, the amount of expensive silicone used is small, and it is economically preferable.
- the content is 50% by mass or less, it is more preferable in terms of writability and printing / production, and 30% by mass. % Or less, more preferably 20% by weight or less.
- the present invention has less peeling performance with less silicone content than the conventional technology. Is excellent, and is excellent in printability and writability.
- the content of the polymer having a carboxylate group used in the present invention is preferably from 10 to 99% by mass.
- the content is more preferably at most 95% by mass, even more preferably at most 90% by mass.
- the content is more preferably 10% by mass or more, more preferably 50% by mass or more, further preferably 70% by mass or more, and particularly preferably 80% by mass or more.
- the content of the polymer having a group of the carboxylate is within the above range, it is preferable because the releasability, printability and writability are good.
- the release agent of the present invention contains a polymer having a carboxylate group and silicone.
- the release agent of the present invention can be suitably used for producing the release material of the present invention.
- the release agent of the present invention contains a neutralized resin obtained by a neutralization reaction between an emulsion copolymer of a monomer composition containing 5 to 80% by mass of an unsaturated carboxylic acid monomer and a basic substance. Is preferred.
- the release agent By using the release agent to contain a component derived from a specific resin-neutralized substance in the release layer, excellent release properties, suppression of changes over time, improvement of the residual adhesiveness, writing properties on the release surface, and printability are achieved. I can do it.
- the polymer having a carboxylate group used in the present invention preferably has a mass fraction of the unsaturated carboxylate of 5 to 80% by mass relative to all monomers used in the polymerization, and a mass fraction of 10 to 80% by mass. -60 mass% is more preferable, and 15-50 mass% is even more preferable.
- the mass fraction of the unsaturated carboxylate is in the above range, the stability of the emulsion and the water solubility and swelling properties of the resin component obtained by the neutralization reaction of the emulsion are preferable.
- the polymer having a group of a sulfonate used in the present invention is produced by a usual emulsion polymerization technique from a monomer composition containing, for example, an unsaturated carboxylic acid monomer and, if necessary, another polymerizable monomer. It can be obtained by completely or partially neutralizing the product.
- the emulsion copolymer used in the present invention (in the present specification, the “emulsion copolymer” means a copolymer in an emulsion state) is an unsaturated monomeric ruponic acid monomer for all monomers used in the polymerization. It is preferable that one mass fraction is 5 to 80% by mass, more preferably 10 to 60% by mass, and still more preferably 15 to 50% by mass. When the mass fraction of the unsaturated carboxylic acid monomer is within the range Is preferred because the stability of the emulsion and the water solubility and swellability of the resin neutralized product obtained by the neutralization reaction of the emulsion are good.
- the emulsion copolymer used in the present invention can be produced from a monomer composition containing the unsaturated carboxylic acid monomer and, optionally, other polymerizable monomers by a usual emulsion polymerization technique.
- the unsaturated carboxylic acid monomer used in the present invention is not particularly limited as long as it is a monomer having a carboxylic acid group and a polymerizable double bond.
- Unsaturated monocarboxylic acid monomers such as acrylic acid and methacrylic acid; itaconic acid And unsaturated polycarboxylic acid monomers such as fumaric acid and maleic acid; and esters having one or more of these carboxylic acid groups.
- Acrylic acid and methacrylic acid are preferably used from the viewpoints of peelability and coating film properties. Two or more of these unsaturated carboxylic acid monomers can be used in combination.
- the polymer having a carboxylic acid group, the polymer having a carboxylate group, and the other polymerizable monomer used in the emulsion copolymer used in the present invention are not particularly limited as long as they can be copolymerized with an unsaturated carboxylic acid monomer. Not restricted.
- the glass transition temperature of the polymer having a carboxylic acid group, the polymer having a carboxylate group, and the emulsion copolymer used in the present invention is not particularly limited. From the viewpoint, 135 to 140 ° C is preferable, and 125 to: L400 ° C is more preferably used.
- the release agent of the present invention is obtained by neutralizing the emulsion copolymer with a basic substance. Contains the resulting resin neutralized product (A).
- the emulsion copolymer is emulsified and dispersed in water in the form of particles under acidic conditions of less than pH 3, but dissolves or swells in water by adding a basic substance and raising the pH.
- the neutralized resin used in the present invention has water-soluble or water-swellable properties.
- the basic substance used in the present invention is not particularly limited as long as it can dissolve or swell the emulsion copolymer in water by a neutralization reaction with an unsaturated carboxylic acid moiety of the emulsion copolymer.
- the basic substance examples include metal hydroxides such as lithium hydroxide, sodium hydroxide, and hydroxylated water; ammonia, ethylamine, getylamine, triethylamine, cyclohexylamine, arylamine, ethylenediamine, triethylenetetramine, ethanolanol, and the like. And aliphatic amines such as ayuline. Ammonia and aliphatic amine compounds are preferably used, and ammonia is particularly preferably used, from the viewpoints of releasability, residual adhesiveness, and physical properties of the coating film. The releasability and residual adhesiveness can be improved by dissolving or swelling the emulsion copolymer in water with a basic substance. The case where the emulsion copolymer is dissolved in water with a basic substance, that is, the case where the resin-neutralized product of the present invention is water-soluble, is more preferable from the viewpoint of peelability and residual adhesiveness.
- the pH of the resin neutralized product after the neutralization reaction between the emulsion copolymer and the basic substance is not particularly limited, but is preferably 3 to 13 and more preferably 5 to 12. Preferably, it is more preferably 6 to 10.
- the method of the neutralization reaction is not particularly limited, but an example is a method in which an aqueous solution of a basic substance is added to the emulsion copolymer with stirring until a predetermined pH is reached.
- the concentration of the aqueous solution of the basic substance to be added is not particularly limited, but an appropriate release agent concentration can be obtained. To avoid viscosity and gelation due to local neutralization, the concentration is preferably 1 to 20% by mass, and 2 to 1%. 0% by mass is more preferably used.
- the concentration of the emulsion copolymer in the release agent of the present invention is not particularly limited, but is preferably from 1 to 50% by mass, more preferably from 5 to 40% by mass, from the viewpoint of obtaining an appropriate release agent viscosity.
- the release agent of the present invention preferably contains (B) a silicone emulsion and / or a silicone dispersion.
- the silicone compound used in the release agent of the present invention is in the form of an emulsion or a dispersion, and the number average particle diameter of the silicone emulsion (B) and / or the silicone dispersion measured by a dynamic light scattering method is 2 or less. It is preferably not more than 100 nm. Further, (B) the number average particle diameter of the silicone emulsion and Z or the silicone dispersion is more preferably from 1 to 200 nm. When the number average particle diameter is 200 nm or less, the peel strength is extremely small as compared with the case where the particle diameter is large, so that it is preferable.
- a number average particle size of 1 nm or more is preferred because the (B) silicone emulsion and Z or the silicone dispersion can be easily prepared. It is particularly preferable that the number average particle size is 1 to 100 nm because the releasability is further improved. The reason why the peel strength decreases when the number average particle diameter is 200 nm or less is obvious, but when the particle diameter of the silicone emulsion or silicone dispersion is 200 nm or less, the silicone component is formed during the formation of the peeling layer. It is presumed that the surface is easily localized on the surface, thereby improving the releasability.
- the silicone emulsion used in the present invention is obtained by emulsifying a silicone compound in a solvent using a surfactant such as a nonionic emulsifier.
- the silicone dispersion is obtained by dispersing a silicone compound in a solvent by modification with a hydrophilic group without using a surfactant.
- the silicone used as the silicone emulsion or silicone dispersion of the present invention is not particularly limited, but examples thereof include Si-H group-containing silicone, dimethylpolysiloxane, methylphenylpolysiloxane, and alkoxy group-containing silicone.
- Silicone oils containing silanol groups silicone oils such as otatamethylcyclotetrasiloxane, decamethinoresin pentasiloxane, vinyl silicone, polyether-modified silicone, polyglycerin-modified silicone, and amino-modified silicone Modified silicones such as corn, epoxy-modified silicone, mercapto-modified silicone, metharyl-modified silicone, carboxylic acid-modified silicone, fatty acid ester-modified silicone, alcohol-modified silicone, alkyl-modified silicone, fluoroalkyl-modified silicone, and photopolymerizable functional group-modified silicone And so on. These silicones can be used alone or in combination of two or more.
- the silicone used in the present invention is preferably a curable silicone.
- a curable silicone By using a curable silicone, the releasability is improved, the change with time of the peel strength can be suppressed, and the residual adhesion rate can be increased.
- the curable silicone is not particularly limited as long as it can be cured by heat, ultraviolet rays, electron beams and the like. Examples include addition-type curing with Si-H group-containing silicone and vinyl silicone, condensation-type curing with Si-H group-containing silicone and silanol group-containing silicone, and UV curing with photopolymerizable functional group-modified silicone. In particular, addition-type curing using Si—H group-containing silicone and vinyl silicone is preferable from the viewpoint of curability.
- the Si—H group-containing silicone used in the present invention is not particularly limited, but polymethyl hydrogen siloxane is preferably used.
- the group VIII metal compound used in the present invention is not particularly limited, but a platinum group compound, that is, a compound of ruthenium, rhodium, palladium, osmium, iridium, and platinum is suitable. Compounds are preferred.
- Platinum compounds include, for example, platinum chloride (II), platinum chloride (IV), tetrachloroplatinic acid (II), hexachloroplatinic acid (IV), etc .; ) Ammonia, Hexaclo-platinum potassium (IV) potassium, Platinum hydroxide (II), Platinum dioxide (IV), Dioctyl rhodicyclopent pentagenenyl-platinum (II), Platinum-vinylsiloxane complex, Platinum-phosphine complex, Platinum-olefin complex Examples thereof include chloroplatinic acid-olefin complex, simple substance of platinum, alumina, silica, and activated carbon in which solid platinum is supported.
- the palladium compound examples include palladium (II) chloride, ammonium tetrahydrochloride palladium (II), palladium (II) oxide and the like.
- palladium (II) chloride examples include palladium (II) chloride, ammonium tetrahydrochloride palladium (II), palladium (II) oxide and the like.
- Shiridani platinum acid, chloroplatinic acid-olefin complex The body can be used more suitably.
- the amount of the Group VIII metal compound used is usually 5 to 1,000 ppm based on the total amount of silicon.
- Hydrazines and triazoles are used in the release agent of the present invention for the purpose of suppressing the catalytic activity of the addition curing reaction and extending the pot life of the release agent after mixing the Si-H group-containing silicone and the silicone.
- Organic nitrogen compounds such as phosphines, organic sulfur compounds such as mercaptans, acetylene alcohols, acetylene alcohols such as cyclic methylvinylsiloxane, and siloxane-modified acetylene alcohols. Can be added.
- the ratio of the Si-H group-containing silicone to the bull silicone is not particularly limited, but is usually 0.5 to 10 in terms of (Si-H mole number) / (vinyl group mole number), from the viewpoint of curability. And 3.0 to 3.0 are preferably used.
- the silicone compound having such a ratio of (31- ⁇ moles) / (number of moles of butyl group) a silicone emanolion SLJ manufactured by Asahi Kasei Co., Ltd. Silicone Co., Ltd. is available. 1 5 1 9 AZB,
- the content of silicone relative to the total solid content of the release agent is not particularly limited, but is preferably 1 to 90% by mass.
- the content of silicone is 1% by mass or more, it is preferable in terms of development of releasability, more preferably 5% by mass or more, even more preferably 10% by mass or more.
- the content is 90% by mass or less, the amount of expensive silicone used is small and it is economically preferable.
- the content is 50% by mass or less, it is more preferable in terms of writing and printing properties, and 30% by mass or less. It is more preferably at most 20% by mass.
- the present invention is characterized in that the release performance is excellent with a smaller silicone content as compared with the prior art, and that the printability and the writability are excellent.
- the content of the polymer having a carboxylate group used in the present invention is preferably from 10 to 99% by mass. 95 mass% or less is more preferable, and 90 mass% or less is still more preferable.
- the content is more preferably 10% by mass or more, more preferably 50% by mass or more, further preferably 70% by mass or more, and particularly preferably 80% by mass or more.
- the content of the polymer having a carboxylate group is within the above range, it is preferable because the releasability, the print quality and the writability are good. 1129
- the method for producing the release agent of the present invention is not particularly limited, but for example, it may be produced by mixing and stirring the silicone emulsion and / or silicone dispersion of the present invention with the neutralized resin of the present invention.
- silicone-emulsion and Z or Si-H group-containing silicone and vinyl silicone are used as the silicone dispersion, and the addition-type curing reaction is performed at the time of heating and drying, from the viewpoint of the storage stability of the stripper, just before coating
- the mixed solution is added to the resin neutralized product of the present invention, and the mixture is stirred and manufactured.
- the release agent D of the present invention comprising a silicone emulsion containing a Si—H group-containing silicone and / or a silicone dispersion containing a silicone dispersion is mixed and stirred immediately before coating to improve the workability. It is more preferable from the viewpoint.
- the method of mixing and stirring is not particularly limited, but it is preferable that the silicone emulsion and / or the silicone dispersion be uniformly dispersed in terms of exhibiting releasability, and the mixing method and mixing time should be uniform. It is preferable to select conditions that can be achieved.
- Solvents other than water can be used in combination with the release agent of the present invention for the purpose of improving film-forming properties and the like, and are not particularly limited, but are not limited to ethylene glycol monobutyl ether, propylene glycol glycol monobutynole ether, 2, 2, and Water-soluble solvents such as 4-trimethinolate 1,3-pentanediol monoisobutyrate, alcohols such as benzyl alcohol, esters such as diethylene glycol monobutyl ether acetate, and ketones.
- ethylene glycol monobutyl ether propylene glycol glycol monobutynole ether
- 2, 2, and Water-soluble solvents such as 4-trimethinolate 1,3-pentanediol monoisobutyrate, alcohols such as benzyl alcohol, esters such as diethylene glycol monobutyl ether acetate, and ketones.
- the release agent of the present invention may be, if necessary, a high molecular weight emulsion such as SB latex or acrylic latex; polyvinyl alcohol, silanol-modified polyvinyl alcohol, carboxyl-modified polyvinyl alcohol, cation-modified polypropylene alcohol, acetoacetyl-modified Polyvinyl alcohol, acetal-modified polyvinyl alcohol, polybutylpyrrolidone, polyacrylic acid, polyacrylate, polyacrynoleamide starch, casein, gelatin, carboxymethylcellulose, Water-soluble resins such as droxicetyl cellulose; release control agents such as polymer resins or elastomers; pigments such as crosslinking agents, silica, clay, and calcium carbonate; lubricants; silane coupling agents; wetting agents; defoamers; It may contain a thickener, a pigment dispersant, an additive, and the like.
- the substrate used in the present invention is not particularly limited, but paper such as high-quality paper, kraft paper, glassine paper, coated paper, cloth such as woven fabric and nonwoven fabric, wood, concrete, mortar, cement board, brick, and tile , Stone and other permeable substrates, resin laminated paper such as polyethylene laminated paper, resin coated paper in which high quality paper is coated with polyvinyl alcohol, starch, SB latex, etc., and resin such as polypropylene and polyethylene terephthalate Examples include non-permeable base materials such as films, resin tapes, resin sheets, plastic plates, metal plates, and metal foils. Although any of them is used, usually, paper, cloth, resin laminated paper, resin coated paper, resin film, resin tape, and resin sheet are preferably used.
- permeable base paper such as high-quality paper, kraft paper, dalasin paper, or coated paper, or woven or non-woven fabric
- permeable base paper such as high-quality paper, kraft paper, dalasin paper, or coated paper, or woven or non-woven fabric
- it can be used without an undercoat layer. It is particularly preferable because the peeling performance can be exhibited with a lower amount of silicone used.
- a release paper, an adhesive sheet, a tack paper, a label, a sticker, an emblem, a delivery slip, an adhesive tape, a kraft tape, a process paper, and the like are suitably manufactured.
- the surface base material used for the pressure-sensitive adhesive sheet of the present invention is not particularly limited, but paper such as high-quality paper, coated paper, cast-coated paper, thermal paper, ink-jet paper, cloth such as woven cloth and non-woven cloth, polyvinyl chloride, and synthetic paper Resin films such as polyethylene terephthalate, polypropylene, polyethylene, senorellose triacetate, senorellose diacetate, polystyrene, polycarbonate, nylon, polyvinylinoleanolone, ethylene monovinyl acetate copolymer, and polyimide Examples thereof include a porous resin film such as a porous polypropylene film, a vapor-deposited film obtained by metal-depositing aluminum or the like on PET, polyolefin, or the like, and a metal foil.
- paper such as high-quality paper, coated paper, cast-coated paper, thermal paper, ink-jet paper, cloth such as woven cloth and non-woven cloth,
- the pressure-sensitive adhesive used in the pressure-sensitive adhesive layer in the pressure-sensitive adhesive tape or pressure-sensitive adhesive sheet of the present invention is not particularly limited, but natural rubber-based pressure-sensitive adhesives, styrene-isoprene-styrene block copolymer, styrene-ethylene Butadiene-styrene copolymer, Synthetic rubber-based adhesives such as Tylene-butadiene-styrene block copolymers, water such as acryl-based adhesives, alkali-insoluble, and water-soluble or water with excellent solubility and dispersibility in the paper recycling process Examples thereof include a dispersible adhesive, a dissolvable or dispersible adhesive.
- a water-soluble or water-dispersible pressure-sensitive adhesive and a water-soluble or water-dispersible pressure-sensitive adhesive are preferably used because of their excellent recyclability.
- the water-soluble or water-dispersible pressure-sensitive adhesive include acrylic acid-containing polymers such as polybutyl alcohol, polyacrylamide, polybutyl methyl ether, ethyl acrylate-ataryl acid copolymer, dextrin, and polyvinylpyrrolidone.
- the adhesive capable of dissolving or dispersing in force include crosslinked metal chelates of a carboxyl group- or hydroxyl group-containing monomer copolymer described in JP-A-6-184508.
- the pressure-sensitive adhesive used in the pressure-sensitive adhesive layer of the pressure-sensitive adhesive tape or pressure-sensitive adhesive sheet of the present invention usually contains a tackifier resin, a softener, an antioxidant, and a filler.
- tackifying resins include rosin-based, coumarone-indene-based, terpene-based, petroleum-based, styrene-based, phenol-based, and xylene-based softeners
- softeners include polybutene, polyisobutylene, polyisoprene, process oil, and naphthenic oil.
- the anti-aging agent include phenol-based and amine-based agents
- examples of the filler include carbonated calcium carbonate and carbon black.
- the release material of the present invention can be produced by applying the release agent on a substrate and drying.
- the coating method is not particularly limited, but a size press, a plate coater, an air knife coater, a rono coater, a brush coater, a curtain coater, a bar coater, a gravure coater, a spray or the like can be used.
- the drying method and the drying temperature are not particularly limited, but examples include natural drying, hot air drying, and infrared drying.
- the drying temperature is preferably 80 to 2 to 50 ° C, and 100 to 250 ° C. C is more preferably used, and 120 to 200 ° C. is particularly preferably used.
- the drying temperature is in the above range because the releasability and the productivity of the drying step are good.
- the coating amount is not particularly limited, but the silicone coating amount is preferably from 0.1 to 10 g / m 2 , more preferably from 0.05 to 5 g Zm 2 , and from 0.0 to! 1 g Zm 2. Is more preferred.
- the silicone coating amount is within the above range, the releasability is sufficient and the silicone It is economically preferable because it uses a small amount of gas. After coating and drying, the smoothness can be adjusted using a super calender, gross calender, etc.
- the method of applying the pressure-sensitive adhesive used for the pressure-sensitive adhesive tape or pressure-sensitive adhesive sheet of the present invention is not particularly limited, but a blade coater, an air knife coater, a roll coater, a brush coater, a no coater, a gravure coater, a repers coater, a comma coater And a kiss coater.
- PSA coating amount of agent particularly but not limited to, a adhesive tape, or preferably 5 ⁇ 100 g / m 2 since the adhesive squeezed out of does not occur from the sheet, more preferably used is 10 ⁇ 50 gZm 2 .
- Transmission electron micrographs were obtained by embedding the test piece in epoxy resin, curing it, creating an ultra-thin section using Unoretra Microtom, and using a Hitachi transmission electron microscope H-7100 at an accelerating voltage of 75 kV. The cross section of the release layer was photographed and obtained.
- the surface silicon atom concentration of the exfoliation layer by XPS was measured by ESCALAB 250 (take-out angle 90 degrees) manufactured by Thermo VG.
- the number average particle size by the dynamic light scattering method was measured with a Microtrac UPA particle size distribution analyzer manufactured by Leads & Norrthrup.
- an adhesive tape (Nitto Denko 31 B, width 5 cm) was attached to the test piece, and the initial peel strength was measured using a tensile tester at a pulling direction of 180 ° and a pulling speed of 0.3 mZ min. It was measured. The change in peel strength with time was measured for the test piece after sticking the adhesive tape at 23 ° C and 50% 1] ⁇ for 14 days, and then the peel strength was measured in the same manner. The residual adhesive ratio was measured by measuring the peel strength by attaching the adhesive tape after 14 days of peel strength measurement to an aluminum plate, and expressed as a percentage based on the peel strength value of an unused adhesive tape stuck to the aluminum plate. The peel strength of the unused adhesive tape was 11.8 NZ5 cm.
- the writability was evaluated by writing a test piece with an oil-based magic, then wiping it off with a tissue paper and visually checking the state of the written mark.
- the printability was evaluated by printing on a test piece using a commercial inkjet printer (manufactured by Epson Corporation, PM-950C) and then wiping it off with a tissue paper to visually check the print marks. The evaluation criteria are shown below.
- Peelability Based on the initial peel strength, it was determined as follows.
- Residual adhesion ratio The following judgment was made based on the residual adhesion ratio after 14 days.
- Silicone emulsion DEHESI VE 390 5 VP / 3 906 VP (manufactured by Asahi Kasei Pecker Silicone Co., Ltd., number average particle diameter 440 nm, silicone component 50% by mass, Si H group-containing silicone , Vinyl silicone, and a platinum compound) were added so as to have the silicone content shown in Table 1, water was further added so as to have a solid content of 10%, and the mixture was stirred to prepare a release agent liquid.
- This release agent solution was applied to kraft paper (82 g / in 2 ) with a bar coater and dried with a hot air drier at 140 ° C. for 5 minutes to obtain a release paper. The obtained release paper was left at ⁇ 20 ° C.
- Silicone emulsion SLJ 1519A / B (Asahi Kasei Co., Ltd. Silicone Co., Ltd., number average particle diameter 100 nm, silicone component 50% by mass, Si-H group-containing silicone, vinyl silicone, platinum compound A test piece was obtained in the same manner as in Example 1 except that the mixture was changed to (mixture). Table 1 shows the evaluation results of the test pieces.
- Specimens were obtained in the same manner as in Example 2 except that the alcohol used for the neutralization reaction was changed from a 10% by mass aqueous ammonia solution to a 10% by mass aqueous sodium hydroxide solution. Table 1 shows the evaluation results of the test pieces.
- Silicone emanolion is a silicone emanolion DEHE SIVE 400 EZV 20 (manufactured by Asahi Kasei Co., Ltd. Silicone Co., Ltd., number average particle diameter 180 nm, silicone component 48 mass 0 /., Si-H group-containing silicone, vinyl
- a test piece was obtained in the same manner as in Example 1, except that the mixture was changed to a mixture of silicone and a platinum compound. Table 1 shows the evaluation results of the test pieces.
- the composition of acrylic latex is acrylic acid (2-ethylhexyl) / methacrylic
- a test piece was obtained in the same manner as in Example 2, except that the methinolate acid Zacrylic acid was changed to a mass ratio of 60/15/25. Table 1 shows the evaluation results of the test pieces.
- test piece was obtained in the same manner as in Example 1 except that acrylic latex was used as it was without neutralization with an aqueous ammonia solution. Table 1 shows the evaluation results of the test pieces.
- Example 1 440 20 1.4 ⁇ X ⁇ Example 2 100 10 0.5 ⁇ ⁇ ⁇ Example 3 100 20 1.3 3 ⁇ ⁇ Example 3 100 10 0.5 ⁇ ⁇ ⁇ Example 4 180 10 0 5 ⁇ ⁇ ⁇ Example 5 100 10 0.4 ⁇ ⁇ ⁇ Example 6 100 10 0.5 .5 ⁇ ⁇ ⁇ Comparative example 1 440 10 3.0 XXX Comparative example 2 440 10 0.7 XXX
- Silicone coating amount total coating amount (g / m 2) X Silicone content (mass. / 0) / 100
- the resin neutralized product silicone E Mar Ji SLJ 1 5 1 9 A / B mixture (Asahi Kasei Wa Tsu car silicone, a number average particle diameter 100 nm, silicone component 50 wt 0/0, S i-H group-containing silicone, (A mixture of bull silicone and a platinum compound) was added so as to have the silicone content shown in Table 1, and water was further added so as to have a solid content of 15%, followed by mixing and stirring to prepare a release agent liquid.
- This release agent solution was applied to kraft paper (828 / ⁇ with a bar coater) and dried in a hot air drier at 140 ° C for 5 minutes to obtain a release paper.
- test piece for evaluation was cut out to a width of 6 cm and a height of 10 cm.
- the total coating amount was measured from the increase in weight of the test piece, and the silicon calculated using the silicone content was used.
- the application amount of the test piece was 0.5 gZm 2.
- the evaluation results of the test piece are shown in Table 2.
- the transmission electron micrograph of the cross section of the test piece in Example ⁇ ⁇ is shown in FIG.
- Silicone emulsion D EHE SIVE 400 E / Y 20 (made by Asahi Kasei Co., Ltd., number average particle diameter 180 nm, silicone component 48 mass 0 /., Si-H group-containing silicone, Bull silicone , A platinum compound mixture), and a test piece was obtained in the same manner as in Example 7. Table 2 shows the evaluation results of the test pieces.
- Table 2 shows the silicone emulsion SLJ 1519 A (manufactured by Asahi Kasei Co., Ltd., number average particle size 150 nm, silicone component 50% by mass, Si-1H group-containing silicone) after storage for 30 days at C. Water was added so as to have a silicone content and further a solid content concentration of 15%, and then mixed and stirred to prepare a release agent liquid. A test piece was obtained in the same manner as in Example 7 using the release agent liquid. Table 2 shows the evaluation results of the test pieces.
- Test pieces were obtained in the same manner as in Example 7, except that the drying temperature after applying the release agent liquid to kraft paper was changed from 140 ° C to 100 ° C. Table 2 shows the evaluation results of the test pieces.
- a low-density polyethylene made by Asahi Kasei laminated on kraft paper by melt extrusion (film thickness: 15 microns) is used as a base material for release paper, and a mixture of addition-reactive silicone SD7220 and curing catalyst SRX212 CAT (Toray ⁇ A test piece having a silicone coating amount of 0.5 gZm 2 was obtained in the same manner as in Example 7, except that Dacoung's silicone, toluene solution, silicone component 30 mass 0 /.) was used. Table 2 shows the evaluation results of the test pieces.
- a test piece having a coating amount of 0.5 gZm 2 was prepared in the same manner as in Example 7, except that a long-chain alkyl pendant type polymer, PIROIL 11010 (a toluene solution manufactured by Hosha Oil & Fats Co., Ltd.) was used as the release agent liquid. Obtained.
- Table 2 shows the evaluation results of the test pieces.
- Silicone content Silicone mass ( g ) (Silicone mass (g) + Resin mass (g)) XI 00 (All masses are based on solids)
- the releasable material of the present invention can be manufactured by applying directly to the substrate without using an undercoat agent even when a permeable substrate such as paper is used, and has excellent releasability even when the amount of silicone used is small. It has an excellent effect that the change in peel strength with the passage of time is small, the residual adhesive ratio of an adhesive tape or a seal after peeling from a peelable material is high, and that the paper has writing and printing properties on a peeled surface.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
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- Paints Or Removers (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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AU2003207202A AU2003207202A1 (en) | 2002-02-04 | 2003-02-04 | Releasing material and release agent |
US10/503,477 US7579060B2 (en) | 2002-02-04 | 2003-02-04 | Releasing material and release agent |
KR1020047011950A KR100793129B1 (ko) | 2002-02-04 | 2003-02-04 | 박리성 재료 및 박리제 |
CN038032880A CN1628029B (zh) | 2002-02-04 | 2003-02-04 | 剥离性材料以及剥离剂 |
EP20030703164 EP1473150B1 (en) | 2002-02-04 | 2003-02-04 | Releasing material and release agent |
JP2003565733A JP4386734B2 (ja) | 2002-02-04 | 2003-02-04 | 剥離性材料及び剥離剤 |
Applications Claiming Priority (2)
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JP2002026934 | 2002-02-04 | ||
JP2002-26934 | 2002-02-04 |
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WO2003066327A1 true WO2003066327A1 (fr) | 2003-08-14 |
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PCT/JP2003/001129 WO2003066327A1 (fr) | 2002-02-04 | 2003-02-04 | Materiau de separation et agent de separation |
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US (1) | US7579060B2 (ja) |
EP (1) | EP1473150B1 (ja) |
JP (1) | JP4386734B2 (ja) |
KR (1) | KR100793129B1 (ja) |
CN (2) | CN101381585A (ja) |
AU (1) | AU2003207202A1 (ja) |
WO (1) | WO2003066327A1 (ja) |
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WO2014136989A1 (en) * | 2013-03-07 | 2014-09-12 | Ricoh Company, Ltd. | Adhesive label for inkjet recording |
JP2020153022A (ja) * | 2019-03-18 | 2020-09-24 | リンテック株式会社 | 合成皮革用工程紙および合成皮革の製造方法 |
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US20120082791A1 (en) * | 2010-10-04 | 2012-04-05 | Robert Richard Liversage | Coating Composition Amenable to Elastomeric Substrates |
US8663743B2 (en) * | 2010-10-05 | 2014-03-04 | Eco-Friendly Solutions, LLC | Release coating |
JP5921154B2 (ja) * | 2011-11-09 | 2016-05-24 | 日東電工株式会社 | 光学フィルム、画像表示装置および画像表示装置の製造方法 |
WO2017154777A1 (ja) * | 2016-03-09 | 2017-09-14 | 株式会社スリーボンド | 硬化性樹脂組成物、燃料電池およびシール方法 |
CN109476925B (zh) * | 2016-07-14 | 2022-02-22 | 三键有限公司 | 固化性树脂组合物、固化物、燃料电池以及密封方法 |
US11896472B2 (en) * | 2019-10-28 | 2024-02-13 | Grant Technologies Llc | Surgical mesh having ingrowth-preventing coating on one side thereof, and method for making the same |
KR102263434B1 (ko) * | 2020-08-27 | 2021-06-10 | 라이프앤어스 주식회사 | 필기성 및 재활용성이 우수한 포장용 종이 테이프 |
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- 2003-02-04 CN CNA2008101662738A patent/CN101381585A/zh active Pending
- 2003-02-04 EP EP20030703164 patent/EP1473150B1/en not_active Expired - Lifetime
- 2003-02-04 JP JP2003565733A patent/JP4386734B2/ja not_active Expired - Fee Related
- 2003-02-04 WO PCT/JP2003/001129 patent/WO2003066327A1/ja active Application Filing
- 2003-02-04 CN CN038032880A patent/CN1628029B/zh not_active Expired - Lifetime
- 2003-02-04 AU AU2003207202A patent/AU2003207202A1/en not_active Abandoned
- 2003-02-04 US US10/503,477 patent/US7579060B2/en not_active Expired - Lifetime
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WO2014136989A1 (en) * | 2013-03-07 | 2014-09-12 | Ricoh Company, Ltd. | Adhesive label for inkjet recording |
JP2014195994A (ja) * | 2013-03-07 | 2014-10-16 | 株式会社リコー | インクジェット記録用粘着ラベル |
JP2020153022A (ja) * | 2019-03-18 | 2020-09-24 | リンテック株式会社 | 合成皮革用工程紙および合成皮革の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1473150A1 (en) | 2004-11-03 |
CN1628029B (zh) | 2012-12-12 |
JP4386734B2 (ja) | 2009-12-16 |
AU2003207202A1 (en) | 2003-09-02 |
JPWO2003066327A1 (ja) | 2005-05-26 |
CN101381585A (zh) | 2009-03-11 |
CN1628029A (zh) | 2005-06-15 |
KR20040086329A (ko) | 2004-10-08 |
EP1473150B1 (en) | 2012-08-08 |
US20050123704A1 (en) | 2005-06-09 |
EP1473150A4 (en) | 2006-05-24 |
KR100793129B1 (ko) | 2008-01-10 |
US7579060B2 (en) | 2009-08-25 |
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