WO2015053274A1 - 工程シート - Google Patents
工程シート Download PDFInfo
- Publication number
- WO2015053274A1 WO2015053274A1 PCT/JP2014/076830 JP2014076830W WO2015053274A1 WO 2015053274 A1 WO2015053274 A1 WO 2015053274A1 JP 2014076830 W JP2014076830 W JP 2014076830W WO 2015053274 A1 WO2015053274 A1 WO 2015053274A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin
- particle
- process sheet
- release layer
- particles
- Prior art date
Links
Images
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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
-
- 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
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
-
- 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
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/24—Di-epoxy compounds carbocyclic
- C08G59/245—Di-epoxy compounds carbocyclic aromatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5046—Amines heterocyclic
- C08G59/5053—Amines heterocyclic containing only nitrogen as a heteroatom
- C08G59/508—Amines heterocyclic containing only nitrogen as a heteroatom having three nitrogen atoms in the ring
- C08G59/5086—Triazines; Melamines; Guanamines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- 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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/102—Oxide or hydroxide
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/748—Releasability
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
- C08J2463/02—Polyglycidyl ethers of bis-phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
Definitions
- the present invention relates to a process sheet having a base material and a particle-containing release layer provided on at least one surface of the base material.
- a release layer having a release treatment on the resin film is used.
- a transfer resin is applied to the surface of a release layer of a process sheet, dried or cured to obtain a resin sheet, and then the formed resin sheet is peeled from the process sheet. The method of obtaining is mentioned.
- the release layer of the process sheet includes silica particles, silicone particles, and the like in order to impart a mat feeling to the resin and the like, and the surface of the release layer has irregularities.
- Patent Document 1 for the purpose of providing a release sheet suitable for the production of mat-like synthetic leather having a matte surface with high jetness, a specific particle size and a thermosetting resin and a matting agent are provided.
- a release sheet having a mat layer (release layer) formed by applying a mat layer forming composition containing a predetermined amount of porous silica fine particles having a surface area is disclosed.
- Patent Document 2 discloses a siloxane stretched three-dimensionally for the purpose of providing a release sheet that can control the release property of the release layer to have an appropriate release strength and that does not change with time.
- a release sheet in which a release layer containing silicone resin fine particles having a specific average particle diameter having a network shape composed of bonds is formed on the surface of a base sheet.
- An object of this invention is to provide the process sheet
- the inventors of the present invention have a resin layer in which a particle-containing release layer disposed on at least one surface of a substrate is formed from a component containing a thermosetting resin having a hydroxyl group and a crosslinking agent, and at least on the surface. It discovered that the process sheet
- the present invention provides the following [1] to [8].
- [1] A process sheet having a substrate and a particle-containing release layer, wherein the particle-containing release layer is formed of a component containing a thermosetting resin having a hydroxyl group and a crosslinking agent (A) And a process sheet having at least a particle (B) containing a melamine compound on the surface.
- [2] The process sheet according to [1], wherein the particles (B) are composite particles containing a melamine compound and silica.
- [3] The process sheet according to the above [1] or [2], wherein the content ratio of the particles (B) in the particle-containing release layer is 6 to 45% by mass.
- thermosetting resin having a hydroxyl group according to any one of the above [1] to [3], wherein the thermosetting resin is at least one resin selected from bisphenol A type epoxy resin esters and alkyd resins.
- Process sheet [5] The process sheet according to any one of [1] to [4], wherein the crosslinking agent is a melamine compound.
- the melamine compound of the cross-linking agent is hexamethoxymethylmelamine or a polymer thereof.
- the particle-containing release layer has an arithmetic average surface roughness (Ra) of 0.25 to 1.50 ⁇ m.
- Ra arithmetic average surface roughness
- Rp maximum peak height
- the process sheet of the present invention has excellent particle adhesion that can suppress the dropping of particles, and has a good matte feeling imparting property.
- the process sheet of the present invention has a substrate and a particle-containing release layer, and the particle-containing release layer includes a resin layer (A) formed from a component containing a thermosetting resin having a hydroxyl group and a crosslinking agent. And particles (B) containing a melamine compound at least on the surface.
- FIG. 1 is a cross-sectional view of a process sheet, which is an embodiment of the process sheet of the present invention.
- the process sheet of the present invention includes, for example, a base material 2 and a particle-containing release layer 3 provided on at least one surface of the base material 2, and the particle-containing release layer 3 is a resin layer.
- seat 1 which has 4 and particle
- the base material 2 and the particle-containing release layer 3 have a directly laminated structure, but may have other layers.
- a process sheet having an easy-adhesion layer between the substrate 2 and the particle-containing release layer 3 may be used.
- the material for forming the easy-adhesion layer include a composition containing a thermosetting resin constituting the resin layer (A).
- the process sheet of the present invention may have an antistatic layer containing an antistatic agent.
- the antistatic layer is formed between the substrate 2 and the particle-containing release layer 3 or on the surface of the substrate 2 opposite to the surface on which the particle-containing release layer 3 is laminated.
- the antistatic agent include cationic compounds such as quaternary ammonium salts, pyridinium salts, and primary to tertiary amino groups; anions such as sulfonate groups, sulfate ester bases, phosphate ester bases, and phosphonate bases.
- An amphoteric compound such as an amino acid group, an aminosulfate ester group, or the like; a nonionic compound such as an amino alcohol group, a glycerin group, or a polyethylene glycol group.
- a base material used by this invention if it can support the below-mentioned particle
- the base material include a paper base material, a base material made of a resin film or a sheet, and a base material obtained by laminating a paper base material with a resin.
- the paper constituting the paper substrate include thin paper, medium quality paper, high quality paper, impregnated paper, coated paper, art paper, sulfuric acid paper, glassine paper and the like.
- Examples of the resin constituting the resin film or sheet include polyolefin resins such as polyethylene and polypropylene; vinyl such as polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, ethylene-vinyl acetate copolymer, and ethylene-vinyl alcohol copolymer.
- Examples thereof include polyester resins such as polyethylene terephthalate, polybutylene terephthalate, and polyethylene naphthalate; polystyrene, acrylonitrile-butadiene-styrene copolymer, cellulose triacetate, and polycarbonate.
- Examples of the base material obtained by laminating a paper base material with a resin include laminated paper obtained by laminating the paper base material with a thermoplastic resin such as polyethylene.
- a base material made of a resin film or a sheet is preferable, a base material made of a polyester-based resin film or sheet is more preferable, and it has an appropriate strength and is easily available from the viewpoint of polyethylene.
- a substrate made of a terephthalate (PET) film or sheet is more preferable.
- seat as a base material
- physical or chemical surface treatment such as an oxidation method may be performed. Examples of the oxidation method include corona discharge treatment, chromic acid treatment, flame treatment, hot air treatment, ozone / ultraviolet irradiation treatment, and the like. These surface treatment methods are appropriately selected according to the type of the substrate, but a corona discharge treatment method is preferable.
- primer treatment can also be performed.
- the thickness of the substrate is appropriately set according to the use of the process sheet, but is preferably 1 to 300 ⁇ m, more preferably 5 to 200 ⁇ m, and still more preferably 10 to 125 ⁇ m from the viewpoints of handleability and economy.
- the thickness of the substrate is 1 ⁇ m or more, problems such as wrinkles are unlikely to occur, and the handleability is improved.
- the thickness of the base material is 300 ⁇ m or less, the cost is suppressed, which is preferable from the viewpoint of economy.
- the particle-containing release layer of the process sheet of the present invention includes a resin layer (A) formed from a component containing a thermosetting resin having a hydroxyl group and a crosslinking agent, and particles containing a melamine compound at least on the surface (B ).
- the resin layer (A) constituting the particle-containing release layer is formed from a component containing a thermosetting resin having a hydroxyl group. Since the hydroxyl group of the thermosetting resin in the resin layer (A) and the melamine compound on the surface of the particles (B) react at the time of thermosetting, the resin layer (A) and the particles (B) are strong. It is thought that the process sheet
- the particle-containing release layer is interspersed with particles (B)
- irregularities are formed on the surface of the particle-containing release layer, and transfer resin or the like applied to the process sheet is formed by the irregularities.
- a matte feeling can be imparted to the surface of the film.
- the arithmetic average surface roughness (Ra) of the particle-containing release layer of the process sheet of the present invention is preferably 0.25 to 1.50 ⁇ m, more preferably 0.30 to 1.30 ⁇ m, still more preferably 0.40 to 1.00 ⁇ m. If Ra is 0.25 ⁇ m or more, a process sheet having good mat feeling can be obtained. On the other hand, if Ra is 1.50 ⁇ m or less, the particles (B) can be prevented from falling off from the particle-containing release layer.
- the maximum peak height (Rp) of the particle-containing release layer of the process sheet of the present invention is preferably 1.50 to 8.00 ⁇ m, more preferably 1.70 to 7.50 ⁇ m, and still more preferably 2.00 to 7. 00 ⁇ m. If Rp is 1.50 ⁇ m or more, a process sheet having good mat feeling can be obtained. On the other hand, if Rp is 8.00 ⁇ m or less, it is possible to prevent the particles (B) from dropping from the particle-containing release layer.
- the Ra and Rp values of the particle-containing release layer are values measured in accordance with JIS B 0601-1994, specifically, values measured by the method described in the examples. Means.
- the ratio [particle (B) / resin layer (A)] of the average particle diameter (diameter) of the particles (B) to the film thickness of the resin layer (A) is preferably 1.2 / 1.0 to 8.0. /1.0, more preferably 1.6 / 1.0 to 7.3 / 1.0, still more preferably 2.0 / 1.0 to 6.8 / 1.0. If the ratio is 1.2 / 1.0 or more, a process sheet having good mat feeling can be obtained. On the other hand, if the ratio is 8.0 / 1.0 or less, the adhesion area between the resin layer (A) and the particles (B) is sufficient, and excellent particle adhesion that can suppress the drop-off of the particles (B). Is expressed.
- the film thickness of the resin layer (A) is the thickness represented by X in FIG. 1, and indicates the thickness of the resin layer 4 in the particle-containing release layer 3 where the particles (B) are not present.
- the resin layer (A) is formed from a component containing a thermosetting resin having a hydroxyl group and a crosslinking agent.
- thermosetting resin having a hydroxyl group include phenol resins such as phenol resin, cresol resin, resorcin resin, xylenol resin, naphthol resin, bisphenol A resin, bisphenol F resin, epoxy resin aralkyl phenol resin, and biphenyl aralkyl phenol resin.
- Hydroxyl group-containing epoxy resins such as bisphenol A type epoxy resin, bisphenol A type epoxy resin ester and bisphenol F type epoxy resin; hydroxyl group containing polyester resin; hydroxyl group containing urethane resin; hydroxyl group containing silicone resin; alkyd resin and the like.
- bisphenol A type epoxy resin ester, hydroxyl group-containing polyester resin, and alkyd resin are selected from the viewpoint of the strength of the cured resin layer (A) and the adhesion between the substrate and the resin layer (A).
- One or more resins are preferable, and bisphenol A type epoxy resin ester or alkyd resin is more preferable.
- the crosslinking agent may be any compound that can crosslink the above-mentioned thermosetting resin having a hydroxyl group, but it also reacts with the particles (B), and can further prevent the particles (B) from dropping off.
- melamine compounds are preferred.
- the melamine compound include hexamethoxymethyl melamine, hexaethoxymethyl melamine, hexapropoxymethyl melamine, hexabutoxybutyl melamine, and polymers (resins) thereof.
- hexamethoxymethylmelamine or a polymer thereof is preferable.
- the content ratio [thermosetting resin having a hydroxyl group / crosslinking agent] (mass ratio) of the hydroxyl group-containing thermosetting resin and the crosslinking agent in the component constituting the resin layer (A) is solvent resistance and peelability. From the viewpoint of forming a resin layer excellent in both, preferably 15/85 to 98/2, more preferably 40/60 to 95/5, still more preferably 60/40 to 90/10, and still more preferably 70. / 30 to 85/15.
- the total content of the thermosetting resin having a hydroxyl group and the crosslinking agent is preferably 60 to 100% by mass, more preferably 70 to 99.9% by mass with respect to the total amount of the components constituting the resin layer (A). %, More preferably 80 to 99.5% by mass, and still more preferably 90 to 99% by mass.
- the acid catalyst is further contained from a viewpoint of promoting the reaction at the time of formation of a resin layer (A).
- the acid catalyst may be appropriately selected from known acid catalysts known as cross-linking reaction catalysts between thermosetting resins having a hydroxyl group and a cross-linking agent, but p-toluenesulfonic acid, methane sulfone can be used. Acid and dodecylbenzenesulfonic acid are preferred.
- the amount of the acid catalyst used is preferably 0.1 to 15 parts by mass, more preferably 0.5 to 10 parts by mass, and still more preferably 100 parts by mass in total of the thermosetting resin having a hydroxyl group and the crosslinking agent. 1 to 5 parts by mass.
- thermosetting resin which has the above-mentioned hydroxyl group, a crosslinking agent, and an acid catalyst
- examples of other components include thermosetting resins such as acrylic resins having no hydroxyl group, antistatic agents, and the like.
- the thickness of the resin layer (A) is preferably 0.3 to 5.0 ⁇ m, more preferably 0.4 to 4.0 ⁇ m, More preferably, it is 0.5 to 2.5 ⁇ m.
- the particles (B) are particles containing a melamine compound at least on the surface.
- the melamine compound present on the surface of the particle (B) reacts with the hydroxyl group of the thermosetting resin of the resin layer (A), so that a particle-containing release layer in which particle dropout is suppressed is formed. It can be a process sheet having particle adhesion.
- the melamine compound include hexamethoxymethyl melamine, hexaethoxymethyl melamine, hexapropoxymethyl melamine, hexabutoxybutyl melamine, and polymers (resins) thereof. Among these, from the viewpoint of improving the solvent resistance of the resin layer (A), hexamethoxymethylmelamine or a polymer thereof is preferable.
- the particle (B) may be a particle containing at least a melamine compound on the surface, or may be a single particle made of only a melamine compound, and a composite containing an inorganic material and / or an organic material together with the melamine compound. It may be a particle.
- the inorganic material include calcium carbonate, kaolin, talc, clay, titanium oxide, zinc oxide, silica, alumina, magnesium hydroxide, and aluminum hydroxide.
- the organic material include polystyrene, polypropylene, tetrafluoroethylene resin, silicone resin, starch, and acrylic resin.
- composite particles in which a part or all of the surface of the core particles made of an inorganic material and / or an organic material is coated with a melamine compound, or inside the particles made of a melamine compound, the inorganic material and And / or composite particles having a structure in which organic materials are scattered in layers.
- the process sheet even if the process sheet is heated and compressed by a press machine or the like, it contains a melamine compound and silica from the viewpoint that the shape of the particles (B) does not collapse and is excellent in heat resistance.
- a composite resin is preferable, and a composite resin having a structure in which silica is scattered in layers inside particles made of a melamine compound is more preferable.
- the average particle diameter (diameter) of the particles (B) is preferably 1.0 to 8.0 ⁇ m, more preferably 1.3 to 7.5 ⁇ m, and more preferably 1.7 to 7.0 ⁇ m.
- grains (B) means the value measured by the method as described in an Example.
- two or more kinds of particles (B) having an average particle diameter within the above range may be used in combination.
- the content of the particles (B) in the particle-containing release layer is preferably 6 to 45% by mass, more preferably 7 to 40% by mass, still more preferably 8 to 35% by mass, and still more preferably 9 to 30% by mass. It is. If the content rate of particle
- seat of this invention is not specifically limited.
- each component such as a thermosetting resin having a hydroxyl group constituting the resin layer (A), a crosslinking agent, an acid catalyst, and the particles (B) are blended, diluted with an organic solvent, and a particle-containing release layer
- the solution can be applied on a substrate to form a coating film, and the coating film can be dried and cured.
- solubility with the component which comprises a resin layer (A) is favorable, It can select suitably from what is inert with respect to these components, for example, toluene, Examples include xylene, methanol, ethanol, isopropyl alcohol, isobutanol, n-butanol, acetone, methyl ethyl ketone, and tetrahydrofuran. These organic solvents may be used alone or in combination of two or more.
- the solid content concentration of the particle-containing release layer forming solution is preferably 5 to 50% by mass, more preferably 10 to 40% by mass, and still more preferably 15 to 30% by mass.
- Examples of the coating method include a bar coating method, a reverse roll coating method, a knife coating method, a roll knife coating method, a gravure coating method, an air doctor coating method, and a doctor blade coating method.
- the organic solvent inside the coating film is removed by heating the coating film, and the hydroxyl group of the thermosetting resin reacts with the melamine compound of the particles (B), so that the particles fall off.
- a suppressed particle-containing release layer is formed.
- the heating temperature at this time is preferably 80 to 180 ° C., more preferably 100 to 160 ° C., and the heating time is preferably 15 seconds to 5 minutes, more preferably 20 seconds to 3 minutes.
- the process sheet of the present invention is used for producing a resin sheet having a surface shape to which a transfer resin is applied and formed to give a mat feeling.
- the resin sheet having a matte feeling include synthetic leather, a decorative sheet, an interior material, and an electromagnetic wave shielding film.
- the resin used as the transfer resin include polyurethane resin, polyacrylic resin, polyvinyl chloride resin, cellulose acetate, cellulose triacetate, polycarbonate, and polyvinyl alcohol. These resins are dissolved in a solvent such as an organic solvent or an aqueous solvent or dispersed in a dispersion medium, and various additives such as a plasticizer are dissolved as necessary to prepare a transfer resin having a coatable viscosity.
- the transfer resin is applied on the release treatment surface of the process sheet, dried to form a film, and then the process sheet is peeled to obtain a resin sheet having a desired matte feeling. If the process sheet of the present invention is used in the production of a resin sheet having a matte feeling, the falling off of particles in the release layer is suppressed, so there is no place where the matte feeling is lost, and particles are mixed as foreign matter. Thus, a resin sheet excellent in design properties that is not required can be obtained.
- ⁇ Average particle size of particle component> Using methyl ethyl ketone as a dispersion medium, a dispersion of a particle component having a solid content concentration of 5% by mass was prepared. Then, the average particle diameter of the particle components was measured using a laser diffraction / scattering particle size distribution analyzer (product name “LA-920” manufactured by Horiba, Ltd.).
- A The presence or absence of the particle component on the surface of the particle-containing release layer of the process sheet was observed, and the ratio of the number of the particle component dropped off (powder falling) was less than 3%.
- B The presence or absence of the particle component on the surface of the particle-containing release layer of the process sheet was observed, and the ratio of the number of the particle component that had fallen off (powder falling) was 3% or more and less than 10%.
- C The presence or absence of the particle component on the surface of the particle-containing release layer of the process sheet was observed, and the ratio of the number of the particle component dropped off (powder falling) was 10% or more.
- ⁇ Haze value of resin sheet> After applying the transfer resin to the process sheets prepared in Examples and Comparative Examples, the resin sheet was peeled to obtain a resin sheet, and the haze value of the resin sheet was measured to evaluate the mat feeling of the process sheet.
- MMA/ 2HEMA 95/5 (% by mass)
- 2HEMA 2-hydroxyethyl methacrylate
- the resin sheet is peeled from the process sheet, and the haze value of the resin sheet is determined according to JIS K 7136-2000 using a haze meter (product name “NDH2000” manufactured by Nippon Denshoku Industries Co., Ltd.). Measured.
- the haze value of the resin sheet is an index indicating the degree of unevenness on the surface of the resin sheet. When the haze value of the resin sheet is large, the degree of unevenness on the surface of the resin sheet is large, and when the haze value of the resin sheet is small, the degree of unevenness on the surface of the resin sheet is small. That is, the matte feeling imparting property of the process sheet can be evaluated by the magnitude of the haze value of the resin sheet.
- the haze value of the resin sheet when the resin sheet was formed on the release-treated glass was 0.1%.
- the above “released glass” is a soda-lime glass (100 mm ⁇ 100 mm ⁇ 5 mm) coated with a toluene solution of a release agent having a solid content concentration of 2% by weight with a Meyer bar # 4 to form a coating film The coating film was cured by heating at 150 ° C. for 1 minute.
- the type and blending amount of the release agent used are shown below.
- the solid content concentration of the release layer forming solution was adjusted to 18% by mass in Examples 1 to 3, 10, and 11 and Comparative Examples 1 to 2, and 24% by mass in Examples 4 to 9.
- a release layer forming solution was prepared by using two kinds of particles (B) containing a melamine compound in combination.
- a polyethylene terephthalate (PET) film having a thickness of 50 ⁇ m (trade name “S10”, manufactured by Toray Industries, Inc.), the above particle-containing release layer forming solutions are variously used. It was applied with a Meyer bar to form a coating film. And the said coating film was heat-hardened at 150 degreeC for 1 minute, the resin layer of the film thickness of Table 1 was formed, and the process sheet which has a particle
- Examples and Comparative Examples are as follows.
- “Optobeads (R) 2000M” trade name, manufactured by Nissan Chemical Industries, Ltd., composite particles having a structure in which silica is scattered in layers about 100 nm from the outermost surface of the melamine resin particles, true specific gravity: 1. 65, average particle size: 2.0 ⁇ m.
- “Optobeads (R) 3500M” trade name, manufactured by Nissan Chemical Industries, Ltd., composite particles having a structure in which silica is scattered in layers about 100 nm from the outermost surface of the melamine resin particles, true specific gravity: 1. 65, average particle size: 3.5 ⁇ m.
- Opto beads (R) 6500M trade name, manufactured by Nissan Chemical Industries, Ltd., composite particles having a structure in which silica is scattered in layers about 100 nm from the outermost surface of the melamine resin particles, true specific gravity: 1. 65, average particle size: 6.5 ⁇ m.
- Nip seal SS-50B trade name, manufactured by Tosoh Silica Co., Ltd., porous amorphous silica particles.
- Tospearl 120 trade name, manufactured by Momentive Performance Materials Japan, silicone particles, average particle size: 2.0 ⁇ m, true specific gravity: 1.32.
- the process sheets of Examples 1 to 12 had excellent particle adhesion, the haze value of the resin sheet was high, and the matte feeling imparting property of the process sheet was also good.
- the process sheets of Comparative Examples 1 and 2 due to the friction with the unstretched polypropylene film, the particles dropped out of the particle-containing release layer and the particle adhesion was poor.
- the process sheet of Comparative Example 1 was broken due to friction of the porous amorphous silica as a particle component.
- the process sheet of the present invention can be used to produce a resin sheet having a matte feeling (unevenness) on the surface of synthetic leather, a decorative sheet, an interior material, an electromagnetic shielding film, and the like.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Abstract
Description
マット感を有する樹脂シートの製造方法として、例えば、工程シートの離型層の表面に、転写樹脂を塗布し、乾燥又は硬化させて樹脂シートとし、その後形成した樹脂シートを工程シートから剥離して得る方法が挙げられる。
例えば、特許文献1には、漆黒性の高い艶消し面を有するマット調合成皮革の製造に好適な離型シートの提供を目的として、熱硬化性樹脂、艶消し剤と共に、特定の粒径及び表面積の多孔性シリカ微粒子を所定量含むマット層形成用組成物を塗布してなるマット層(離型層)を有する離型シートが開示されている。
また、特許文献2には、離型層の剥離性を適度な剥離強度になるように制御可能であり、且つ剥離性が経時変化しない離型シートの提供を目的として、三次元に伸びたシロキサン結合からなる網状形状を有する特定の平均粒径を有するシリコーン樹脂微粒子を含有せしめた離型層が基材シート表面に形成された離型シートが開示されている。
本発明は、粒子の脱落を抑制し得る優れた粒子密着性を有し、マット感付与性が良好な工程シートを提供することを目的とする。
〔1〕基材及び粒子含有離型層を有する工程シートであって、前記粒子含有離型層が、水酸基を有する熱硬化性樹脂及び架橋剤を含む成分から形成されてなる樹脂層(A)と、少なくとも表面にメラミン系化合物を含む粒子(B)とを有する、工程シート。
〔2〕粒子(B)が、メラミン系化合物及びシリカを含む複合粒子である、上記〔1〕に記載の工程シート。
〔3〕前記粒子含有離型層の粒子(B)の含有率が、6~45質量%である、上記〔1〕又は〔2〕に記載の工程シート。
〔4〕水酸基を有する熱硬化性樹脂が、ビスフェノールA型エポキシ樹脂エステル、及びアルキド系樹脂から選ばれる1種以上の樹脂である、上記〔1〕~〔3〕のいずれか一項に記載の工程シート。
〔5〕架橋剤が、メラミン系化合物である、上記〔1〕~〔4〕のいずれか一項に記載の工程シート。
〔6〕前記架橋剤のメラミン系化合物が、ヘキサメトキシメチルメラミン又はその重合体である、上記〔5〕に記載の工程シート。
〔7〕前記粒子含有離型層の算術平均表面粗さ(Ra)が、0.25~1.50μmである、上記〔1〕~〔6〕のいずれか一項に記載の工程シート。
〔8〕前記粒子含有離型層の最大山高さ(Rp)が、1.50~8.00μmである、上記〔1〕~〔7〕のいずれか一項に記載の工程シート。
本発明の工程シートは、基材及び粒子含有離型層を有し、粒子含有離型層は、水酸基を有する熱硬化性樹脂及び架橋剤を含む成分から形成されてなる樹脂層(A)と、少なくとも表面にメラミン系化合物を含む粒子(B)とを有する。
図1は、本発明の工程シートの一実施形態である、工程シートの断面図である。
本発明の工程シートとしては、例えば、基材2と、該基材2の少なくとも一方の面上に設けられた粒子含有離型層3を有し、該粒子含有離型層3が、樹脂層4及び粒子5とを有する工程シート1が挙げられる。
例えば、基材2と粒子含有離型層3との層間密着力を向上させるために、基材2と粒子含有離型層3との間に易接着層を有する工程シートとしていてもよい。当該易接着層を形成する材料としては、樹脂層(A)を構成する熱硬化性樹脂を含む組成物等が挙げられる。
また、本発明の工程シートは、帯電防止剤を含有した帯電防止層を有していてもよい。
本発明に工程シートにおいて、帯電防止層は、基材2と粒子含有離型層3との間、もしくは基材2の粒子含有離型層3が積層された面とは反対側の面上等に設けることができる。
当該帯電防止剤としては、例えば、第4級アンモニウム塩、ピリジニウム塩、第1~第3アミノ基等のカチオン性化合物;スルホン酸塩基、硫酸エステル塩基、リン酸エステル塩基、ホスホン酸塩基等のアニオン性化合物;アミノ酸系、アミノ硫酸エステル系等の両性化合物;アミノアルコール系、グリセリン系、ポリエチレングリコール系等のノニオン性化合物等が挙げられる。
本発明で用いる基材としては、後述の粒子含有離型層を支持できるものであれば、工程シートの用途に応じて適宜選択し得る。
基材としては、例えば、紙基材、樹脂フィルム又はシートからなる基材、紙基材を樹脂でラミネートした基材等が挙げられる。
紙基材を構成する紙としては、例えば、薄葉紙、中質紙、上質紙、含浸紙、コート紙、アート紙、硫酸紙、グラシン紙等が挙げられる。
樹脂フィルム又はシートを構成する樹脂としては、例えば、ポリエチレン、ポリプロピレン等のポリオレフィン樹脂;ポリ塩化ビニル、ポリ塩化ビニリデン、ポリビニルアルコール、エチレン-酢酸ビニル共重合体、エチレン-ビニルアルコール共重合体等のビニル系樹脂;ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリエチレンナフタレート等のポリエステル樹脂;ポリスチレン、アクリロニトリル-ブタジエン-スチレン共重合体、三酢酸セルロース、ポリカーボネート等が挙げられる。
紙基材を樹脂でラミネートした基材としては、上記の紙基材を、ポリエチレン等の熱可塑性樹脂でラミネートしたラミネート紙等が挙げられる。
上記酸化法としては、例えば、コロナ放電処理、クロム酸処理、火炎処理、熱風処理、オゾン・紫外線照射処理等が挙げられる。
これらの表面処理法は、基材の種類に応じて適宜選ばれるが、コロナ放電処理法が好ましい。また、プライマー処理を施すこともできる。
基材の厚みが1μm以上であれば、シワが生じやすい等の問題が生じ難く、取扱性が良好となる。一方、基材の厚みが300μm以下であれば、コストが抑えられ、経済性の観点において好ましい。
本発明の工程シートが有する粒子含有離型層は、水酸基を有する熱硬化性樹脂及び架橋剤を含む成分から形成されてなる樹脂層(A)と、少なくとも表面にメラミン系化合物を含む粒子(B)とを有する。
粒子含有離型層を構成する樹脂層(A)は、水酸基を有する熱硬化性樹脂を含む成分から形成されている。樹脂層(A)中のこの熱硬化性樹脂の水酸基と、粒子(B)の表面に有するメラミン系化合物とは、熱硬化時に反応するため、樹脂層(A)と粒子(B)とが強固に結合し、本発明の工程シートは、粒子(B)の脱落を抑制し得る優れた粒子密着性が発現されると考えられる。
Raが0.25μm以上であれば、マット感付与性が良好な工程シートとすることができる。一方、Raが1.50μm以下であれば、粒子含有離型層から粒子(B)が脱落することを抑制することができる。
Rpが1.50μm以上であれば、マット感付与性が良好な工程シートとすることができる。一方、Rpが8.00μm以下であれば、粒子含有離型層から粒子(B)が脱落することを抑制することができる。
なお、本発明において、粒子含有離型層のRa、Rpの値は、JIS B 0601-1994に準拠して測定された値であり、具体的には実施例に記載の方法により測定された値を意味する。
当該比が1.2/1.0以上であれば、マット感付与性が良好な工程シートとすることができる。一方、当該比が8.0/1.0以下であれば、樹脂層(A)と粒子(B)との接着面積が十分となり、粒子(B)の脱落を抑制し得る優れた粒子密着性が発現される。
なお、樹脂層(A)の膜厚は、図1のXで表される厚みであり、粒子含有離型層3における粒子(B)が存在しない部分の樹脂層4の厚みを示す。
樹脂層(A)は、水酸基を有する熱硬化性樹脂及び架橋剤を含む成分から形成されてなる。
水酸基を有する熱硬化性樹脂としては、例えば、フェノール樹脂、クレゾール樹脂、レゾルシン樹脂、キシレノール樹脂、ナフトール樹脂、ビスフェノールA樹脂、ビスフェノールF樹脂、エポキシ樹脂アラルキルフェノール樹脂、ビフェニルアラルキルフェノール樹脂等のフェノール系樹脂;ビスフェノールA型エポキシ樹脂、ビスフェノールA型エポキシ樹脂エステル、ビスフェノールF型エポキシ樹脂等の水酸基含有エポキシ樹脂;水酸基含有ポリエステル樹脂;水酸基含有ウレタン樹脂;水酸基含有シリコーン樹脂;アルキド樹脂等が挙げられる。
これらの中でも、硬化後の樹脂層(A)の強度、及び基材と樹脂層(A)との密着性の観点から、ビスフェノールA型エポキシ樹脂エステル、水酸基含有ポリエステル樹脂、及びアルキド系樹脂から選ばれる1種以上の樹脂が好ましく、ビスフェノールA型エポキシ樹脂エステル又はアルキド系樹脂がより好ましい。
メラミン系化合物としては、例えば、ヘキサメトキシメチルメラミン、ヘキサエトキシメチルメラミン、ヘキサプロポキシメチルメラミン、ヘキサブトキシブチルメラミン、及びこれらの重合体(樹脂)等が挙げられる。
これらの中でも、樹脂層(A)の耐溶剤性を向上させる観点から、ヘキサメトキシメチルメラミン又はその重合体が好ましい。
また、水酸基を有する熱硬化性樹脂及び架橋剤の合計含有量は、樹脂層(A)を構成する成分の全量に対して、好ましくは60~100質量%、より好ましくは70~99.9質量%、更に好ましくは80~99.5質量%、より更に好ましくは90~99質量%である。
酸触媒としては、水酸基を有する熱硬化性樹脂と架橋剤との架橋反応触媒として知られている公知の酸触媒の中から適宜選択して用いることができるが、p-トルエンスルホン酸、メタンスルホン酸、ドデシルベンゼンスルホン酸が好ましい。
酸触媒の使用量は、水酸基を有する熱硬化性樹脂及び架橋剤の合計100質量部に対して、好ましくは0.1~15質量部、より好ましくは0.5~10質量部、更に好ましくは1~5質量部である。
その他の成分としては、水酸基を有さないアクリル系樹脂等の熱硬化性樹脂、帯電防止剤、等が挙げられる。
粒子(B)は、少なくとも表面にメラミン系化合物を含む粒子である。
粒子(B)の表面に存在するメラミン系化合物が、樹脂層(A)の熱硬化性樹脂の水酸基と反応することで、粒子の脱落が抑制された粒子含有離型層が形成され、優れた粒子密着性を有する工程シートとなり得る。
メラミン系化合物としては、例えば、ヘキサメトキシメチルメラミン、ヘキサエトキシメチルメラミン、ヘキサプロポキシメチルメラミン、ヘキサブトキシブチルメラミン、及びこれらの重合体(樹脂)等が挙げられる。
これらの中でも、樹脂層(A)の耐溶剤性を向上させる観点から、ヘキサメトキシメチルメラミン又はその重合体が好ましい。
無機材料としては、例えば、炭酸カルシウム、カオリン、タルク、クレー、酸化チタン、酸化亜鉛、シリカ、アルミナ、水酸化マグネシウム、及び水酸化アルミニウム等が挙げられる。
有機材料としては、ポリスチレン、ポリプロピレン、四フッ化エチレン樹脂、シリコーン樹脂、澱粉、及びアクリル樹脂等が挙げられる。
なお、粒子(B)の平均粒径の値は、実施例に記載の方法により測定した値を意味する。
また、本発明において、上記範囲内の平均粒径の粒子(B)を2種以上組み合わせて用いてもよい。
粒子(B)の含有率が6質量%以上であれば、樹脂シートの表面へのマット感付与性が良好な工程シートとすることができる。一方、粒子(B)の含有率が45質量%以下であれば、粒子含有離型層から粒子(B)が脱落することを抑制することができる。また、均一な塗布面を形成することができる。
本発明の工程シートの製造方法は、特に限定されない。
例えば、樹脂層(A)を構成する水酸基を有する熱硬化性樹脂、架橋剤、酸触媒等の各成分、並びに、粒子(B)を配合し、有機溶媒で希釈して、粒子含有離型層形成用溶液を調製した後、当該溶液を基材上に塗布して塗膜を形成し、該塗膜を乾燥・硬化することで製造することができる。
これらの有機溶媒は、単独で又は2種以上を組み合わせて用いてもよい。
この際の加熱温度は、好ましくは80~180℃、より好ましくは100~160℃であり、加熱時間は、好ましくは15秒間~5分間、より好ましくは20秒間~3分間である。
前記転写樹脂として使用される樹脂としては、例えばポリウレタン樹脂、ポリアクリル樹脂、ポリ塩化ビニル樹脂、セルロースアセテート、セルローストリアセテート、ポリカーボネート及びポリビニルアルコール等が挙げられる。
これらの樹脂を有機溶媒や水系溶媒等の溶媒に溶解または分散媒に分散し、必要に応じて可塑剤等の各種添加剤を溶解して、塗布可能な粘度を有する転写樹脂が調製される。前記転写樹脂を、工程用シートの離型処理面上に塗布、乾燥して製膜したのち、該工程用シートを剥離することにより、所望のマット感を有する樹脂シートが得られる。
マット感を有する樹脂シートの製造において、本発明の工程シートが用いられれば、離型層中の粒子の脱落が抑制されているため、マット感が失われた箇所がなく、粒子が異物として混入することのない意匠性に優れた樹脂シートが得られる。
走査型電子顕微鏡(株式会社キーエンス社製、製品名「VE-9800S」)を用いて、工程シートの樹脂層面から突起部分を除いた平坦部の厚みを測定し、樹脂層の膜厚とした。
分散媒としてメチルエチルケトンを用い、固形分濃度5質量%の粒子成分の分散液を調製した。そして、レーザー回折散乱式粒度分布測定装置(株式会社堀場製作所製、製品名「LA-920」)を用いて、粒子成分の平均粒径を測定した。
接触式表面粗さ計((株)ミツトヨ製、製品名「SV3000S4」)を用いて、JIS B 0601-1994に準拠して、実施例及び比較例で作製した工程シートの粒子含有離型層の表面の算術平均表面粗さ(Ra)及び最大山高さ(Rp)を測定した。
摩擦堅牢試験機「RT-200」(製品名、(株)大栄化学精機製作所製)を圧接し摺動擦過するように、実施例及び比較例で作製した工程シートの粒子含有離型層の表面に対して、厚さ80μmの無延伸ポリプロピレンフィルムを用いて、荷重1kg、往復50回の研磨を行った。
そして、研磨後の工程シートの粒子含有離型層の表面を、目視及び走査型電子顕微鏡による観察にて、粒子成分の脱落(粉落ち)を確認し、以下の基準により、工程シートの粒子密着性を評価した。
A:工程シートの粒子含有離型層表面の粒子成分の有無を観察し、脱落(粉落ち)した粒子成分の個数の割合が3%未満であった。
B:工程シートの粒子含有離型層表面の粒子成分の有無を観察し、脱落(粉落ち)した粒子成分の個数の割合が3%以上10%未満であった。
C:工程シートの粒子含有離型層表面の粒子成分の有無を観察し、脱落(粉落ち)した粒子成分の個数の割合が10%以上であった。
実施例及び比較例で作製した工程シートに、転写樹脂を塗布後、剥離して樹脂シートを得、当該樹脂シートのヘーズ値を測定することで、工程シートのマット感付与性を評価した。
転写樹脂として、メチルメタクリレート(MMA)及び2-ヒドロキシエチルメタクリレート(2HEMA)からなるアクリル共重合体(MMA/2HEMA=95/5(質量%))を使用した。
具体的には、実施例及び比較例の工程シートの粒子含有離型層の表面に、上記の転写樹脂の溶液(固形分30質量%)を塗布し乾燥して、膜厚60μmの樹脂シートを形成した。そして、工程シートから当該樹脂シートを剥離し、当該樹脂シートのヘーズ値を、ヘーズメーター(日本電色工業(株)製、製品名「NDH2000」)を用いて、JIS K 7136-2000に準拠して測定した。
樹脂シートのヘーズ値は、樹脂シートの表面の凹凸の程度を示す指標となる。樹脂シートのヘーズ値が大きい場合、樹脂シートの表面の凹凸の程度は大きく、樹脂シートのヘーズ値が小さい場合、樹脂シートの表面の凹凸の程度は小さい。つまり、樹脂シートのヘーズ値の大きさにより、工程シートのマット感付与性を評価することができる。
上記の「離型処理したガラス」は、ソーダライムガラス(100mm×100mm×5mm)上に、固形分濃度2質量%の離型剤のトルエン溶液をマイヤーバー#4で塗布して塗膜を形成し、該塗膜を150℃で1分加熱し硬化したものである。使用した離型剤の種類及び配合量を以下に示す。
・「KS-847H」(商品名、信越化学(株)製、固形分濃度:30質量%):100質量部(固形分)
・「PL-50T」(商品名、信越化学(株)製、固形分濃度:2質量%):1質量部(固形分)
水酸基を有する熱硬化性樹脂であるビスフェノールA型エポキシ樹脂エステル80質量部と、架橋剤であるメラミン樹脂20質量部との混合物(日立化成ポリマー(株)製、商品名「TA31-059D」、固形分濃度50%、溶媒:キシレン/トルエン/イソブタノール=36/32/32(質量比)の混合溶媒)の固形分100質量部に対して、酸触媒として、p-トルエンスルホン酸のメタノール溶液(固形分濃度:50質量%)を2.5質量部(固形分)添加して、樹脂組成物の溶液を調製した。
次に、当該樹脂組成物の溶液に、表1に示す種類及び配合量の粒子成分を加え、トルエン/メチルエチルケトン=30/70(質量比)の混合溶媒で希釈して、離型層形成用溶液を調製した。なお、当該離型層形成用溶液の固形分濃度は、実施例1~3、10、11及び比較例1~2においては18質量%、実施例4~9においては24質量%に調製した。また、実施例10~11においては、メラミン系化合物を含む粒子(B)を2種併用して離型層形成用溶液を調整した。
そして、基材である、厚さ50μmのポリエチレンテレフタレート(PET)フィルム(東レ(株)製、商品名「S10」)の一方の面上に、上記の粒子含有離型層形成用溶液を、各種マイヤーバーにて塗布し、塗膜を形成した。そして、当該塗膜を、150℃で1分間、加熱硬化させ、表1に記載の膜厚の樹脂層を形成し、PETフィルム上に粒子含有離型層を有する工程シートを作製した。
水酸基を有する熱硬化性樹脂であるアルキド樹脂(日立化成(株)製、商品名「テスラック2052-60T」、固形分濃度60質量%、溶媒:トルエン/キシレン=85/15(質量比)の混合溶媒)の固形分80質量部に対して、架橋剤として、メラミン樹脂(日本サイテックインダストリーズ(株)製、商品名「サイメル303」、固形分濃度100%)を20質量部(固形分)配合し、さらに酸触媒として、p-トルエンスルホン酸のメタノール溶液(固形分濃度:50質量%)を2.5質量部(固形分)添加して、樹脂組成物の溶液を調製した。
次に、当該樹脂組成物の溶液に、表1に示す種類及び配合量の粒子成分を加え、トルエン/メチルエチルケトン=30/70(質量比)の混合溶媒で希釈して、固形分濃度18質量%の離型層形成用溶液を調製した。
そして、調製した離型層形成用溶液を用いて、上述の実施例1等と同様にして、PETフィルム上に粒子含有離型層を有する工程シートを作製した。
・「オプトビーズ(R)2000M」:商品名、日産化学工業(株)製、メラミン樹脂粒子の最表面から約100nm内側に層状でシリカが点在した構造を有する複合粒子、真比重:1.65、平均粒径:2.0μm。
・「オプトビーズ(R)3500M」:商品名、日産化学工業(株)製、メラミン樹脂粒子の最表面から約100nm内側に層状でシリカが点在した構造を有する複合粒子、真比重:1.65、平均粒径:3.5μm。
・「オプトビーズ(R)6500M」:商品名、日産化学工業(株)製、メラミン樹脂粒子の最表面から約100nm内側に層状でシリカが点在した構造を有する複合粒子、真比重:1.65、平均粒径:6.5μm。
・「ニップシールSS-50B」:商品名、東ソー・シリカ(株)製、多孔質不定形シリカ粒子。
・「トスパール120」:商品名、モメンティブ・パフォーマンス・マテリアルズ・ジャパン(株)製、シリコーン粒子、平均粒径:2.0μm、真比重:1.32。
一方、比較例1及び2の工程シートは、無延伸ポリプロピレンフィルムとの摩擦により、粒子含有離型層から粒子の脱落が目立ち、粒子密着性が劣る結果となった。特に、比較例1の工程シートは、粒子成分の多孔質不定形シリカの摩擦による破壊が見られた。
2 基材
3 粒子含有離型層
4 樹脂層(A)
5 粒子(B)
X 樹脂層(A)の膜厚
Claims (8)
- 基材及び粒子含有離型層を有する工程シートであって、
前記粒子含有離型層が、水酸基を有する熱硬化性樹脂及び架橋剤を含む成分から形成されてなる樹脂層(A)と、少なくとも表面にメラミン系化合物を含む粒子(B)とを有する、工程シート。 - 粒子(B)が、メラミン系化合物及びシリカを含む複合粒子である、請求項1に記載の工程シート。
- 前記粒子含有離型層の粒子(B)の含有率が、6~45質量%である、請求項1又は2に記載の工程シート。
- 水酸基を有する熱硬化性樹脂が、ビスフェノールA型エポキシ樹脂エステル、及びアルキド系樹脂から選ばれる1種以上の樹脂である、請求項1~3のいずれか一項に記載の工程シート。
- 架橋剤が、メラミン系化合物である、請求項1~4のいずれか一項に記載の工程シート。
- 前記架橋剤のメラミン系化合物が、ヘキサメトキシメチルメラミン又はその重合体である、請求項5に記載の工程シート。
- 前記粒子含有離型層の算術平均表面粗さ(Ra)が、0.25~1.50μmである、請求項1~6のいずれか一項に記載の工程シート。
- 前記粒子含有離型層の最大山高さ(Rp)が、1.50~8.00μmである、請求項1~7のいずれか一項に記載の工程シート。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480055283.8A CN105612052B (zh) | 2013-10-11 | 2014-10-07 | 工艺片 |
KR1020167009177A KR20160068773A (ko) | 2013-10-11 | 2014-10-07 | 공정 시트 |
JP2015541589A JP6454282B2 (ja) | 2013-10-11 | 2014-10-07 | 工程シート |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-213526 | 2013-10-11 | ||
JP2013213526 | 2013-10-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015053274A1 true WO2015053274A1 (ja) | 2015-04-16 |
Family
ID=52813090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/076830 WO2015053274A1 (ja) | 2013-10-11 | 2014-10-07 | 工程シート |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6454282B2 (ja) |
KR (1) | KR20160068773A (ja) |
CN (1) | CN105612052B (ja) |
TW (1) | TWI637853B (ja) |
WO (1) | WO2015053274A1 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015183011A (ja) * | 2014-03-20 | 2015-10-22 | 石原産業株式会社 | 表面処理した無機化合物及びその製造方法並びにその用途 |
WO2016133101A1 (ja) * | 2015-02-20 | 2016-08-25 | 東洋紡株式会社 | 凹凸転写フィルム |
JP2018027642A (ja) * | 2016-08-18 | 2018-02-22 | 東洋紡株式会社 | 凹凸転写フィルム |
JP2018047592A (ja) * | 2016-09-21 | 2018-03-29 | 東レ株式会社 | 積層フィルム |
JP2020152005A (ja) * | 2019-03-20 | 2020-09-24 | リンテック株式会社 | 工程フィルム |
JP2021010032A (ja) * | 2016-09-06 | 2021-01-28 | タツタ電線株式会社 | 電磁波シールドフィルム |
JP2021011648A (ja) * | 2019-07-05 | 2021-02-04 | リンテック株式会社 | 合成皮革用工程紙及び合成皮革の製造方法 |
US11125917B2 (en) | 2016-09-16 | 2021-09-21 | Somar Corporation | Light-shading material for optical device |
US20230033018A1 (en) * | 2019-12-25 | 2023-02-02 | Kuraray Co., Ltd. | Leather-like sheet |
US11724423B2 (en) | 2017-11-30 | 2023-08-15 | Mitsubishi Chemical Corporation | Mold release film and method for producing laminate |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11161128B2 (en) | 2017-11-14 | 2021-11-02 | General Electric Company | Spray nozzle device for delivering a restorative coating through a hole in a case of a turbine engine |
US11534780B2 (en) | 2017-11-14 | 2022-12-27 | General Electric Company | Spray nozzle device for delivering a restorative coating through a hole in a case of a turbine engine |
CN111699092B (zh) * | 2018-02-27 | 2023-03-28 | 三菱化学株式会社 | 聚酯薄膜 |
CN112789172B (zh) * | 2018-08-09 | 2023-08-15 | 东丽薄膜先端加工股份有限公司 | 脱模膜 |
JP7458374B2 (ja) * | 2019-03-26 | 2024-03-29 | リンテック株式会社 | 剥離シート |
CN117677743A (zh) * | 2021-07-15 | 2024-03-08 | Wr供应株式会社 | 脱模纸 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004115972A (ja) * | 2002-09-27 | 2004-04-15 | Dainippon Printing Co Ltd | マット層形成用組成物およびそれを用いた離型シート |
JP2006306087A (ja) * | 2005-03-31 | 2006-11-09 | Dainippon Printing Co Ltd | 保護層転写シート及び印画物 |
JP2011245739A (ja) * | 2010-05-27 | 2011-12-08 | Mitsubishi Plastics Inc | 基材レス両面粘着シート用離型フィルム |
JP2012121969A (ja) * | 2010-12-07 | 2012-06-28 | Toyobo Co Ltd | 離型用ポリエステル系樹脂フィルム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0693058B2 (ja) | 1990-04-02 | 1994-11-16 | ミノルタ株式会社 | 自動焦点調節装置 |
JP3103097B2 (ja) * | 1990-10-01 | 2000-10-23 | 大日本印刷株式会社 | 艶消し転写箔 |
JPH04330320A (ja) | 1991-04-30 | 1992-11-18 | Suzuki Motor Corp | エアサクションシステム |
JP3289198B2 (ja) * | 1992-10-15 | 2002-06-04 | 大日本印刷株式会社 | スウェード調転写箔 |
EP1767345B1 (en) * | 2004-07-13 | 2017-12-20 | Lintec Corporation | Releasing sheet and formed article obtained by using such releasing sheet |
CN101413228B (zh) * | 2008-11-27 | 2010-10-27 | 中国乐凯胶片集团公司 | 一种合成皮革用离型纸 |
-
2014
- 2014-10-07 CN CN201480055283.8A patent/CN105612052B/zh active Active
- 2014-10-07 WO PCT/JP2014/076830 patent/WO2015053274A1/ja active Application Filing
- 2014-10-07 KR KR1020167009177A patent/KR20160068773A/ko not_active Application Discontinuation
- 2014-10-07 JP JP2015541589A patent/JP6454282B2/ja active Active
- 2014-10-09 TW TW103135195A patent/TWI637853B/zh active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004115972A (ja) * | 2002-09-27 | 2004-04-15 | Dainippon Printing Co Ltd | マット層形成用組成物およびそれを用いた離型シート |
JP2006306087A (ja) * | 2005-03-31 | 2006-11-09 | Dainippon Printing Co Ltd | 保護層転写シート及び印画物 |
JP2011245739A (ja) * | 2010-05-27 | 2011-12-08 | Mitsubishi Plastics Inc | 基材レス両面粘着シート用離型フィルム |
JP2012121969A (ja) * | 2010-12-07 | 2012-06-28 | Toyobo Co Ltd | 離型用ポリエステル系樹脂フィルム |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015183011A (ja) * | 2014-03-20 | 2015-10-22 | 石原産業株式会社 | 表面処理した無機化合物及びその製造方法並びにその用途 |
WO2016133101A1 (ja) * | 2015-02-20 | 2016-08-25 | 東洋紡株式会社 | 凹凸転写フィルム |
JPWO2016133101A1 (ja) * | 2015-02-20 | 2017-11-30 | 東洋紡株式会社 | 凹凸転写フィルム |
JP2018027642A (ja) * | 2016-08-18 | 2018-02-22 | 東洋紡株式会社 | 凹凸転写フィルム |
JP2021010032A (ja) * | 2016-09-06 | 2021-01-28 | タツタ電線株式会社 | 電磁波シールドフィルム |
JP7083880B2 (ja) | 2016-09-06 | 2022-06-13 | タツタ電線株式会社 | 電磁波シールドフィルム |
US11125917B2 (en) | 2016-09-16 | 2021-09-21 | Somar Corporation | Light-shading material for optical device |
JP2018047592A (ja) * | 2016-09-21 | 2018-03-29 | 東レ株式会社 | 積層フィルム |
US11724423B2 (en) | 2017-11-30 | 2023-08-15 | Mitsubishi Chemical Corporation | Mold release film and method for producing laminate |
JP2020152005A (ja) * | 2019-03-20 | 2020-09-24 | リンテック株式会社 | 工程フィルム |
JP7245687B2 (ja) | 2019-03-20 | 2023-03-24 | リンテック株式会社 | 工程フィルム |
JP2021011648A (ja) * | 2019-07-05 | 2021-02-04 | リンテック株式会社 | 合成皮革用工程紙及び合成皮革の製造方法 |
JP7308673B2 (ja) | 2019-07-05 | 2023-07-14 | リンテック株式会社 | 合成皮革用工程紙及び合成皮革の製造方法 |
US20230033018A1 (en) * | 2019-12-25 | 2023-02-02 | Kuraray Co., Ltd. | Leather-like sheet |
Also Published As
Publication number | Publication date |
---|---|
CN105612052B (zh) | 2018-04-20 |
TW201522075A (zh) | 2015-06-16 |
JPWO2015053274A1 (ja) | 2017-03-09 |
KR20160068773A (ko) | 2016-06-15 |
CN105612052A (zh) | 2016-05-25 |
TWI637853B (zh) | 2018-10-11 |
JP6454282B2 (ja) | 2019-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6454282B2 (ja) | 工程シート | |
JP5721218B2 (ja) | 粘着シート | |
KR101276992B1 (ko) | 폴리에스테르 적층 필름 및 전사박 | |
WO2002074538A1 (fr) | Film en polyester stratifie | |
JP5837411B2 (ja) | インモールド転写用ポリエステルフィルム | |
KR102694079B1 (ko) | 합성 피혁용 공정지 및 합성 피혁의 제조 방법 | |
JP5833427B2 (ja) | 転写用積層ポリエステルフィルム | |
JP5288433B2 (ja) | 遮光フィルム | |
JP2024091669A (ja) | 離型フィルム | |
JP7245687B2 (ja) | 工程フィルム | |
WO2012046475A1 (ja) | 熱機能性難燃ポリマー部材 | |
JP2012025072A (ja) | 離型ポリエステルフィルム | |
JP5211834B2 (ja) | 水性樹脂エマルジョン組成物、発泡化粧材およびその製造方法 | |
JP7308673B2 (ja) | 合成皮革用工程紙及び合成皮革の製造方法 | |
JP2011183644A (ja) | ハードコートフィルム | |
WO2023042576A1 (ja) | 積層ポリエステルフィルム、積層体、および積層ポリエステルフィルムの製造方法 | |
JP2020146890A (ja) | 合成皮革用工程紙および合成皮革用工程紙の製造方法 | |
JP2020019893A (ja) | 表面処理プラスチックフィルム | |
WO2011093251A1 (ja) | ポリマー部材の製造方法 | |
JP7129783B2 (ja) | オーバープリントニス | |
JP2023000178A (ja) | 合成皮革用工程紙、合成皮革の製造方法、及び合成皮革 | |
JP2022129907A (ja) | 離型フィルム | |
JP2024135530A (ja) | 積層ポリエステルフィルム、車両用ディスプレイ、車両用電子部品 | |
JP2022154581A (ja) | 粘着シート | |
JPWO2019188823A1 (ja) | 積層体及び工程紙 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14852045 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2015541589 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20167009177 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14852045 Country of ref document: EP Kind code of ref document: A1 |