WO2018110361A1 - 離型フィルムおよび保護フィルム - Google Patents
離型フィルムおよび保護フィルム Download PDFInfo
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- WO2018110361A1 WO2018110361A1 PCT/JP2017/043569 JP2017043569W WO2018110361A1 WO 2018110361 A1 WO2018110361 A1 WO 2018110361A1 JP 2017043569 W JP2017043569 W JP 2017043569W WO 2018110361 A1 WO2018110361 A1 WO 2018110361A1
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- WIPO (PCT)
- Prior art keywords
- release
- film
- layer
- weight
- polyethylene
- Prior art date
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Classifications
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- 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
-
- 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
-
- 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
- B32B27/281—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 comprising polyimides
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- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- 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
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09J109/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
-
- 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
- C09J125/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Adhesives based on derivatives of such polymers
- C09J125/02—Homopolymers or copolymers of hydrocarbons
- C09J125/04—Homopolymers or copolymers of styrene
- C09J125/08—Copolymers of styrene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
-
- 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
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/201—Adhesives in the form of films or foils characterised by their carriers characterised by the release coating composition on the carrier layer
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- 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
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
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- 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
- B32B2457/00—Electrical equipment
- B32B2457/08—PCBs, i.e. printed circuit boards
Definitions
- the present invention relates to a release film and a protective film having a release film.
- the release film of the present invention is not only an adhesive material, an adhesive film, and a release film for sheets, but also has excellent heat resistance, appearance, mechanical properties, followability, stain resistance, and release properties. It is suitably used as a release film that requires heat resistance, such as a film, a release film for flexible printed circuit boards, and a release film for prepreg molding. Furthermore, by providing an adhesive layer as the outermost layer, it can be suitably used as a protective film having excellent roll-out properties, heat resistance, contamination resistance, and appearance.
- Release films are widely used as process films for improving the handleability of adhesive materials and adhesive films and for producing various molded products.
- a release film having heat resistance has high utility value as a process film in a heating process such as a printed circuit board manufacturing process, a prepreg molding process, an in-mold label process, and the like.
- a release film is used to prevent adhesion between the coverlay film and the press hot plate.
- a polyester film coated with a silicone release material As a release film, a polyester film coated with a silicone release material, a fluorine resin film, an unstretched polyester film, an alicyclic polyolefin film, a polymethylpentene film, and the like have been proposed.
- Patent Documents 1 to 4 the followability to a printed circuit board or a molded body is insufficient, the releasability after press processing at a high temperature is insufficient, or a defect occurs due to a transition to a molded product. There was a thing.
- the film having an adhesive material on one outer layer is widely used as a protective film for optical members and building materials.
- the protective film having a relatively high adhesive strength is in a roll state, the adhesive layer and the layer opposite to the adhesive layer are in close contact with each other. If the feeding property from the roll is inferior, an excessive load may be applied to the feeding device, the film may be deformed, or the appearance may be affected.
- deformation or poor appearance of the film leads to poor quality of the adherend.
- Patent Document 5 proposes a film having a release layer composed of an ⁇ -olefin (co) polymer having 4 or more carbon atoms and an adhesive layer composed of a styrene elastomer. Yes.
- the releasability feeding out property from the roll
- the film appearance may be inferior.
- the object of the present invention is to solve the above problems, heat release, appearance, mechanical properties, followability, stain resistance, release properties from rolls and rolls excellent in release properties, heat resistance, stain resistance, appearance It is in providing the protective film which is excellent in.
- the present inventor has found that the object can be achieved by adopting the following configuration.
- a release film having a release layer wherein the release layer has the following (A) and (B).
- a release film having a release layer wherein the release layer has the following (A), (B) and (C).
- A 60 to 99.8% by weight of at least one polyolefin resin selected from polyethylene, polypropylene, and polybutene
- B Ultra high molecular weight polyethylene having an intrinsic viscosity [ ⁇ ] of 8 dl / g or more 0.1 to 39.9% by weight
- C Release material 0.1 to 39.9% by weight
- Mold film (5) The release film according to any one of (2) to (4), wherein the release material is hydrosilylated polyolefin.
- the protective film according to (6), wherein the adhesive layer has a styrene-based elastomer.
- heat resistance, appearance, mechanical properties, followability, stain resistance, release properties from rolls and rolls, roll-out performance, heat resistance, stain resistance, and excellent protection It can be a film.
- the release layer of the release film of the present invention comprises (A) at least one polyolefin resin selected from polyethylene, polypropylene, and polybutene, and (B) an ultrahigh molecular weight polyethylene having an intrinsic viscosity [ ⁇ ] of 8 dl / g or more. Is preferred.
- Polyethylene, polypropylene, and polybutene can be used without particular limitation as long as they exhibit the releasability described below.
- the polyethylene include high pressure method low density polyethylene (LDPE), linear low density polyethylene (LLDPE), and high density polyethylene (HDPE).
- LDPE high pressure method low density polyethylene
- LLDPE linear low density polyethylene
- HDPE high density polyethylene
- polypropylene include homopolypropylene, random polypropylene, and block polypropylene.
- polybutene include homopolybutene, butene / ethylene copolymer, butene / propylene copolymer, and the like.
- These polyolefin resins may be crosslinked in order to improve heat resistance and releasability.
- As the crosslinking method a known crosslinking method such as electron beam crosslinking or dynamic crosslinking in the presence of a peroxide can be employed.
- the ultra high molecular weight polyethylene for example, particulate ultra high molecular weight polyethylene as described in JP-A-2006-206769 is suitable.
- the intrinsic viscosity [ ⁇ ] of the ultrahigh molecular weight polyethylene is 8 dl / g or more, preferably 10 dl / g or more.
- the average particle size of the particles is preferably 3 ⁇ m to 100 ⁇ m. The range is preferably 4 to 50 ⁇ m, more preferably 4 to 20 ⁇ m.
- the average particle size can be determined by a known method for measuring the size of fine particles, such as the Cole counter method.
- the ultra high molecular weight polyethylene used in the present invention may be crosslinked in order to improve heat resistance and releasability.
- a known crosslinking method such as electron beam crosslinking or dynamic crosslinking in the presence of a peroxide can be employed.
- the composition ratio of the (A) polyolefin resin and the (B) ultrahigh molecular weight polyethylene in the release layer is such that (A) is 60 to 99.9% by weight, preferably 70 to 99.8% by weight, more preferably 80%. To 99.8% by weight, and (B) is 0.1 to 40% by weight, preferably 0.2 to 30% by weight, more preferably 0.2 to 20% by weight.
- the polyolefin resin is less than 60% by weight, it is necessary to add a large amount of a known releasable resin or a release material in order to develop releasability. In general, release resins and release materials are expensive.
- a release material may be added to the composition comprising the polyolefin resin and ultrahigh molecular weight polyethylene for the purpose of improving the release property.
- the release material a known release material can be used as long as the properties of the release film of the present invention are exhibited.
- Specific examples include silicone release materials, reaction products of ethylene / vinyl alcohol copolymer and stearyl isocyanate, and hydrosilylated polyolefins.
- hydrosilylated polyolefin is preferable from the viewpoint of stain resistance and releasability.
- the hydrosilylated polyolefin can be obtained, for example, by the method described in JP 2010-37555 A, for example, by hydrosilylating a polyolefin such as polyethylene having vinyl groups at both ends or one end.
- the release layer in the present invention is a composition
- a composition comprising (A) a polyolefin resin, (B) an ultrahigh molecular weight polyethylene, and (C) a release material
- the proportion of each component is such that (A) is 60 to 99.8 wt. %, Preferably 70 to 99.6%, more preferably 80 to 99.6% by weight, and (B) is 0.1 to 39.9% by weight, preferably 0.2 to 30% by weight, more preferably 0 0.2 to 20% by weight, and (C) is 0.1 to 39.9% by weight, preferably 0.2 to 20% by weight, more preferably 0.2 to 10% by weight.
- the ultra high molecular weight polyethylene forms island-like particles in the release layer, and the island-like particle diameter is 3 to 100 ⁇ m.
- island-shaped particles of 4 to 70 ⁇ m, more preferably 4 to 40 ⁇ m are formed.
- the island-like particle diameter of ultrahigh molecular weight polyethylene can be measured by a known method such as an optical microscope, a scanning electron microscope (SEM), or a transmission electron microscope (TEM) on the surface of the release layer. If the island-like particle diameter is smaller than 3 ⁇ m, the releasability may be insufficient, and if it is larger than 100 ⁇ m, the film appearance may be poor, which is not preferable.
- the release film of the present invention preferably has a peeling force of 0.5 N / 25 mm or less after the release layer and the polyimide film are heated and pressed at 180 ° C. ⁇ 4 MPa. Preferably it is 0.3 N / 25mm or less, More preferably, it is 0.1 N / 25mm or less. By having such characteristics, it can be suitably used for applications that require releasability at high temperatures, such as in the manufacturing process of printed boards, flexible printed boards, and the like.
- the release film of the present invention has at least one release layer.
- a base material layer can be provided as needed.
- it can also be used as an adhesive film by providing an adhesive layer on the side opposite to the release layer.
- polyester, polyamide and the like can be used in addition to known polyolefins such as polyethylene and polypropylene.
- Preferable examples of the base material layer when the release film of the present invention is used as a release film for producing a printed board include those made of polyolefin having a melt tension (MT) measured at 190 ° C. of 1 g or more. .
- MT melt tension
- polyolefins having a melt tension of 2 g or more, more preferably 3 to 30 g are mentioned. If MT is less than 1 g, the heat resistance may be inferior, which is not preferable.
- polyolefins include polypropylene, polyethylene, polybutene, ethylene / vinyl acetate copolymer, ethylene / acrylic acid copolymer, ethylene / methyl acrylate copolymer, ethylene / methyl methacrylate copolymer, and ionomer resin. Can do.
- polypropylene and polyethylene are exemplified.
- polypropylene examples include homopolypropylene, random polypropylene, block polypropylene, and copolymers of low crystalline propylene and ⁇ -olefins having 2 to 10 carbon atoms.
- the MFR (melt flow rate) (230 ° C.) of polypropylene is preferably 0.1 to 30 g / 10 minutes. The range is preferably 0.2 to 20 g / min. When the MFR is less than 0.1 g / min, the productivity of the film may be insufficient. When the MFR exceeds 30 g / min, when used with a release film for manufacturing a printed circuit board, the resin may protrude after molding. It may occur and is not preferable.
- the elastic modulus of polypropylene is preferably 800 MPa or less.
- the range is preferably 20 to 600 MPa.
- the elastic modulus exceeds 800 MPa, when used with a release film for producing a printed circuit board, the followability to the printed circuit board may be insufficient, which is not preferable.
- polyethylene examples include high-pressure low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), and high-density polyethylene (HDPE), as well as low-crystalline ethylene and ⁇ -olefins having 3 to 10 carbon atoms.
- LDPE high-pressure low-density polyethylene
- LLDPE linear low-density polyethylene
- HDPE high-density polyethylene
- MFR 190 ° C.
- the density is 0.870-0.945 g / cm 3 , more preferably 0.890-0.
- High pressure method low density polyethylene (LDPE) and linear low density polyethylene (LLDPE) which are 940 g / cm 3 are mentioned.
- the productivity of the film may be insufficient, and if it exceeds 30 g / min, the resin may protrude after molding when used as a release film for manufacturing printed circuit boards. Is not preferable.
- the density is less than 0.870 g / cm 3
- the productivity of the film may be insufficient, and when it exceeds 0.945 g / cm 3 , when used as a release film for manufacturing a printed circuit board, The followability may be insufficient, which is not preferable.
- the release film of the present invention preferably has a thickness of 5 to 1000 ⁇ m. The thickness is preferably 10 to 500 ⁇ m, more preferably 15 to 300 ⁇ m.
- the thickness of the release layer is preferably 0.5 to 100 ⁇ m.
- the thickness is preferably 1 to 50 ⁇ m, more preferably 2 to 30 ⁇ m.
- the thickness of the base material layer is preferably 5 to 800 ⁇ m.
- the thickness is preferably 7 to 400 ⁇ m, more preferably 10 to 300 ⁇ m.
- the release film of the present invention can be produced by a known method capable of producing a polyethylene or polypropylene film such as inflation molding or T-die molding. Even in the case of a multilayer film, multilayer extrusion molding, a method of dry laminating a base material layer film and a release layer prepared in advance, a method of extrusion laminating a base material layer film and a release layer, or the like can also be employed.
- the release layer and / or the base layer of the release film of the present invention are provided with an antioxidant, a weathering agent, a crystal nucleating agent, an inorganic filler, a charge for the purpose of improving moldability and the like within a range not impairing the effects of the present invention
- a protective film can be provided by providing an adhesive layer.
- olefin polymers and styrene elastomers can be used in addition to known alkyl acrylate pressure-sensitive adhesives and rubber-based hot melt pressure-sensitive adhesives. Preferred are olefin polymers and styrene elastomers.
- olefin polymers examples include ethylene homopolymers such as high-density polyethylene and high-pressure low-density polyethylene, copolymers of ethylene and ⁇ -olefins having 3 to 20 carbon atoms, ethylene and vinyl esters and acrylate esters.
- Preferred examples include copolymers of the above, propylene homopolymers, copolymers of propylene and ethylene and carbon atoms of 4 to 20, and polymers and copolymers mainly composed of ⁇ -olefins having 4 or more carbon atoms.
- ethylene-butene copolymer ethylene-pentene copolymer, ethylene-hexene copolymer, ethylene-octene copolymer, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer, ethylene -Methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, soft propylene homopolymer, propylene-ethylene copolymer, propylene-ethylene-butene copolymer, propylene-butene copolymer, propylene-4- Examples thereof include a methylpentene copolymer and a 4-methylpentene polymer.
- styrene elastomers examples include styrene-butadiene copolymer (SB), styrene-butadiene-styrene copolymer (SBS), styrene-isoprene copolymer (SI), and styrene-isoprene-styrene copolymer (SIS).
- SB styrene-butadiene copolymer
- SBS styrene-butadiene-styrene copolymer
- SI styrene-isoprene copolymer
- SIS styrene-isoprene-styrene copolymer
- Copolymers of styrene and conjugated dienes and their hydrides styrene-ethylene-butylene-styrene copolymer (SEBS), styrene ethylene-butylene-styrene copolymer (SEPS), etc.
- SEBS styrene-ethylene-butylene-styrene copolymer
- SEPS styrene ethylene-butylene-styrene copolymer
- styrene-isobutylene copolymer examples thereof include a polymer (SIB) and styrene-isobutylene-styrene (SIBS).
- the olefin polymer and these styrene elastomers may be used alone or in combination of two or more. Moreover, an olefin polymer and a styrene elastomer can be used in combination for the purpose of adjusting the adhesiveness.
- tackifiers include commercially available resin groups such as rosin, terpene, and coumarone-indene.
- the protective film of the present invention has an adhesive layer as the outermost layer in the release film of the present invention.
- a base material layer can be provided as needed.
- Specific examples of the layer structure include a release layer / adhesive layer and a release layer / base material layer / adhesive layer.
- the adhesive layer by an adhesive agent can also be provided between each layer.
- the base material layer in addition to known polyolefins such as polyethylene and polypropylene, polyesters, polyamides and the like can also be used as described above.
- the thickness of the protective film of the present invention is preferably 5 to 1000 ⁇ m.
- the thickness is preferably 10 to 500 ⁇ m, more preferably 15 to 300 ⁇ m.
- the thickness of the release layer is preferably 0.5 to 100 ⁇ m.
- the thickness is preferably 1 to 50 ⁇ m, more preferably 1 to 30 ⁇ m.
- the thickness of the base material layer is preferably 0 to 800 ⁇ m.
- the thickness is preferably 7 to 400 ⁇ m, more preferably 10 to 300 ⁇ m.
- the thickness of the adhesive layer is preferably 0.5 to 100 ⁇ m.
- the thickness is preferably 1 to 50 ⁇ m, more preferably 1 to 30 ⁇ m.
- the protective film of the present invention can be produced by a known method capable of producing a polyethylene or polypropylene film such as inflation molding or T-die molding.
- a method of dry laminating a prepared base layer film and a release film, and a method of extruding a release layer or an adhesive layer to the base layer film are also used. it can.
- release film of the present invention will be described in detail based on specific examples, but the present invention is not limited to these examples. In addition, it measured and evaluated by the method shown below.
- peeling force with polyimide film A 15 cm ⁇ 15 cm release film and a 50 ⁇ m-thick polyimide film (“Kapton (registered trademark)” 200H manufactured by Toray DuPont Co., Ltd.) are overlaid, using a heating press machine, Contact is made at a pressure of 4 MPa and a temperature of 180 ° C. for 5 minutes. After returning to room temperature, the peel force between the release film and the polyimide film was measured with a tensile tester, and the obtained value was taken as the peel force.
- Kapton registered trademark
- the tension value at a speed at which the strand was broken and the strand was broken was defined as melt tension (MT).
- Adhesive follow-up property Each determination is as follows. ⁇ : The adhesive is completely embedded between the wiring patterns of the substrate. X: Adhesive is not sufficiently buried between the wiring patterns of the substrate, and bubbles remain.
- Random polypropylene (propylene / ethylene / butene copolymer) having a melting point of 142 ° C., MFR (230 ° C., 2.16 kg load) of 6 g / 10 min and melt tension (190 ° C.) of 0.5 g is an intermediate layer (base material layer) ).
- a T-die type composite film forming machine was used to obtain a two-type three-layer film composed of a release layer / intermediate layer / release layer.
- the release layer had an Ra of 0.50 ⁇ m and an Rz of 8.7 ⁇ m.
- the island-like particle size was in the range of 9-15 ⁇ m.
- Example 2 MFR (230 ° C., 2.16 kg load) is 8 g / 10 min, rubber component intrinsic viscosity [ ⁇ ] (measured in 135 ° C. decalin) is 2.8 dl / g, rubber amount (cold xylene soluble amount) is 137.5% by weight of block polypropylene 97.5% by weight, 1.5% by weight of particulate ultrahigh molecular weight polyethylene having an average particle diameter of 11 ⁇ m and an intrinsic viscosity [ ⁇ ] of 20 dl / g, and A composition comprising 1.0% by weight of hydrosilylated polyethylene obtained by hydrosilylating a terminal vinyl polyethylene having a melting point of 116 ° C.
- Low density polyethylene EPPE CU5003 manufactured by Sumitomo Chemical Co., Ltd. having a density of 0.928 g / cm 3 , MFR (190 ° C., 2.16 kg load) of 0.4 g / 10 min, and melt tension (190 ° C.) of 7.0 g Substrate layer).
- MFR 190 ° C., 2.16 kg load
- melt tension 190 ° C.
- the release layer had an Ra of 0.51 ⁇ m and an Rz of 8.8 ⁇ m.
- the island-like particle size was in the range of 9-15 ⁇ m.
- Example 3 Mold release was performed in the same manner as in Example 1 except that the intermediate layer (base material layer) was a high-density polyethylene having an MFR (190 ° C., 2.16 kg load) of 7 g / 10 min and a melt tension (190 ° C.) of 0.8 g. A film was created.
- the release layer had an Ra of 0.45 ⁇ m and an Rz of 8.5 ⁇ m.
- the island-like particle size was in the range of 9-15 ⁇ m.
- the peeling force between the obtained release film and the polyimide film was 0.02 N / 25 mm.
- the peeling force after contacting with the polyimide film at high temperature was small, and there was no tear when peeling the release film, and the heat resistance and release properties were good.
- the evaluation results for flexible printed circuit boards are as follows. Releasability from flexible printed circuit board; ⁇ Adhesive follow-up property; ⁇ Overhanging state: ⁇ .
- Example 4 MFR (230 ° C., 2.16 kg load) is 8 g / 10 min, rubber component intrinsic viscosity [ ⁇ ] (measured in 135 ° C. decalin) is 2.8 dl / g, rubber amount (cold xylene soluble amount) is 13% by weight of block polypropylene 98.5% by weight, 1.5% by weight of an electron beam irradiated material of particulate ultrahigh molecular weight polyethylene having an intrinsic viscosity [ ⁇ ] of 20 dl / g and an average particle diameter of 11 ⁇ m
- a release film was prepared in the same manner as in Example 1 except that the composition consisting of was used as a release layer.
- the release layer had an Ra of 0.47 ⁇ m and an Rz of 8.8 ⁇ m.
- the island-like particle size was in the range of 9-15 ⁇ m.
- the peeling force between the obtained release film and the polyimide film was 0.10 N / 25 mm.
- the peeling force after contacting with the polyimide film at high temperature was small, and there was no tear when peeling the release film, and the heat resistance and release properties were good.
- the evaluation results for flexible printed circuit boards are as follows. Releasability from flexible printed circuit board; ⁇ Adhesive follow-up property; ⁇ Overhanging state: ⁇ .
- the peel strength of the obtained release film from the polyimide film was 2.1 N / 25 mm.
- the peeling force after contacting with the polyimide film at high temperature was large, and deformation occurred when peeling the release film, resulting in insufficient heat resistance and release properties.
- the evaluation results for flexible printed circuit boards are as follows. Releasability from flexible printed circuit board; ⁇ Adhesive follow-up property; ⁇ Overhanging state: ⁇ .
- Example 5 MFR (230 ° C., 2.16 kg load) is 8 g / 10 min, rubber component intrinsic viscosity [ ⁇ ] (measured in 135 ° C. decalin) is 2.8 dl / g, rubber amount (cold xylene soluble amount) is 137.5% by weight of block polypropylene 97.5% by weight, Intrinsic viscosity [ ⁇ ] is 20 dl / g, an average particle diameter of 11 ⁇ m in the form of particulate ultrahigh molecular weight polyethylene, 1.5% by weight, and A composition comprising 1.0% by weight of hydrosilylated polyethylene obtained by hydrosilylating a terminal vinyl polyethylene having a melting point of 116 ° C.
- Random polypropylene (propylene / ethylene / butene copolymer) having a melting point of 142 ° C. and MFR (230 ° C., 2.16 kg load) of 6 g / 10 min was used as an intermediate layer (base material layer).
- a composition comprising 40% by weight of a styrene-ethylene-butylene copolymer (Dynalon 1321P manufactured by JSR), 10% by weight of a terpene phenol tackifier (TH130 manufactured by Yasuhara Chemical), and 50% high pressure polyethylene was used as an adhesive layer.
- a T-die type composite film forming machine was used to obtain a three-layer three-layer film composed of a release layer / intermediate layer / adhesive layer.
- the release layer had an Ra of 0.50 ⁇ m, an Rz of 8.7 ⁇ m, and an island-shaped particle size in the range of 9 to 15 ⁇ m.
- the peeling force between the release layer and the adhesive layer was 0.1 g / 25 mm. Good feeding stability from roll. The film appearance after feeding was also good.
- the peeling force between the release layer and the adhesive layer was 15 g / 25 mm.
- the feeding from the roll was irregular and unstable, and streaks (stop marks) were observed in the direction perpendicular to the feeding direction in the film after feeding.
- Example 6 MFR (230 ° C., 2.16 kg load) is 8 g / 10 min, rubber component intrinsic viscosity [ ⁇ ] (measured in 135 ° C. decalin) is 2.8 dl / g, rubber amount (cold xylene soluble amount) is 13 wt% block polypropylene 98.5 wt%, and A protective film was prepared in the same manner as in Example 5 except that a composition comprising 1.5% by weight of particulate ultrahigh molecular weight polyethylene having an intrinsic viscosity [ ⁇ ] of 20 dl / g and an average particle diameter of 11 ⁇ m was used as a release layer. did.
- the release layer had an Ra of 0.47 ⁇ m, an Rz of 8.8 ⁇ m, and an island-shaped particle size in the range of 9 to 15 ⁇ m.
- the peeling force between the release layer and the adhesive layer was 2 g / 25 mm. Good feeding from roll. The film appearance after feeding was also good.
- Example 7 Example 5 except that a composition comprising 90% by weight of a styrene-isobutylene-styrene copolymer (Shibustar 062M manufactured by Kaneka Corporation) and 10% by weight of a styrene-based tackifier (FTR6125 manufactured by Mitsui Chemicals) was used as the adhesive layer.
- a protective film was prepared in the same manner.
- the release layer had an Ra of 0.51 ⁇ m and an Rz of 8.5 ⁇ m.
- the peeling force between the release layer and the adhesive layer was 10 g / 25 mm. Good feeding stability from roll. The film appearance after feeding was also good.
- the peeling force between the release layer and the adhesive layer was 80 g / 25 mm.
- the feeding from the roll was irregular and unstable, and streaks (stop marks) were observed in the direction perpendicular to the feeding direction in the film after feeding.
- Example 8 Example 5 except that a composition comprising 90% by weight of a styrene-isobutylene-styrene copolymer (Shibustar 062M manufactured by Kaneka Corporation) and 10% by weight of a styrene-based tackifier (FTR6125 manufactured by Mitsui Chemicals) was used as the adhesive layer.
- a protective film was prepared in the same manner.
- the release layer had an Ra of 0.51 ⁇ m and an Rz of 8.5 ⁇ m.
- the peeling force between the release layer and the adhesive layer was 10 g / 25 mm.
- the feeding stability from the roll was good, and the film appearance after feeding was also good.
- Example 9 A protective film was prepared in the same manner as in Example 5 except that 100% by weight of propylene-ethylene-butene copolymer (Tafmer PN-2060 manufactured by Mitsui Chemicals, Inc.) was used as the adhesive layer.
- the release layer had an Ra of 0.51 ⁇ m and an Rz of 8.6 ⁇ m.
- the peeling force between the release layer and the adhesive layer was 3 g / 25 mm.
- the feeding stability from the roll was good, and the film appearance after feeding was also good.
Abstract
Description
しかしながら、これらのフィルムでは、プリント基板や成型体への追従性が不足していたり、高温でプレス処理した後の離型性が不十分であったり、成形物への移行物により不具合が発生することがあった。
(1)離型層を有する離型フィルムであって、離型層が以下の(A)、(B)を有することを特徴とする離型フィルム。
(A)ポリエチレン、ポリプロピレン、ポリブテンから選ばれる少なくとも一種のポリオレフィン樹脂60~99.9重量%
(B)極限粘度[η]が8dl/g以上の超高分子量ポリエチレン0.1~40重量%
(2)離型層を有する離型フィルムであって、離型層が、以下の(A)、(B)および(C)を有することを特徴とする離型フィルム。
(A)ポリエチレン、ポリプロピレン、ポリブテンから選ばれる少なくとも一種のポリオレフィン樹脂を60~99.8重量%
(B)極限粘度[η]が8dl/g以上の超高分子量ポリエチレン0.1~39.9重量%(C)離型材0.1~39.9重量%
(3)超高分子量ポリエチレンが離型層中に島状粒子を形成し、該島状粒子の島状粒子径が3~100μmである(1)または(2)に記載の離型フィルム。
(4)離型層とポリイミドフィルムとを180℃×4MPaで加熱、加圧接触させた後の剥離力が0.5N/25mm以下である(1)~(3)のいずれかに記載の離型フィルム。
(5)離型材がヒドロシリル化ポリオレフィンである(2)~(4)のいずれかに記載の離型フィルム。
(6)(1)~(5)のいずれかに記載の離型フィルムの離型層を有し、かつ少なくとも2層からなる多層フィルムの最外層が粘着層である保護フィルム。
(7)粘着層がオレフィン系重合体を有する(6)に記載の保護フィルム。
(8)粘着層がスチレン系エラストマーを有する(6)に記載の保護フィルム。
(9)プリント基板製造用またはフレキシブルプリント基板製造用である(1)~(5)のいずれかに記載の離型フィルム。
(10)光学フィルム用である(6)~(8)のいずれかに記載の保護フィルム。
15cm×15cmサイズの離型フィルムおよび厚さ50μmのポリイミドフィルム(東レデュポン(株)製“カプトン(登録商標)”200H)を重ね合わせ、加熱プレス機を用い、4MPaの圧力、180℃の温度で5分間接触させる。室温に戻した後、離型フィルムとポリイミドフィルムとの剥離力を引張試験機で測定し、得られた値を剥離力とした。
離型フィルムを、作成後3日以上、室温23℃、湿度50RH%雰囲気下で保管し、しかる後に小坂研究所製サーフコーダ-「ET4000A」を用い、中心線平均粗さ(Ra)及び十点平均粗さ(Rz)を測定した。
メルトテンションテスター(オリフィス内径2.1mm、L/D=4)を使用し、190℃、ピストン降下速度5.5mm/分、引取り速度を毎分50m/分の等加速度で増速していき、ストランドが破断した速度でのテンション値をメルトテンション(MT)とした。
離型層を表面から光学顕微鏡で観察。島状粒子径を測定した。
各判定は以下の通りである。
○:プレス後に離型フィルムが容易にフレキシブルプリント基板から剥離する。
×:プレス後に離型フィルムがフレキシブルプリント基板から剥離せず固着する。
各判定は以下の通りである。
○:基板の配線パターン間に接着剤が完全に埋め込まれている。
×:基板の配線パターン間に接着剤が十分埋まらず、気泡が残る。
各判定は以下の通りである。
○:離型フィルムがフレキシブルプリント基板のサイズから大きく(10mm以上)はみ出さない。
×:離型フィルムがフレキシブルプリント基板のサイズから大きく(10mm以上)はみ出す。
50mm×100mmサイズのフィルムで、離型層と粘着層を2kg荷重のローラーで貼り合わせる。23℃で1日放置後、離型層を粘着層の剥離力を引張試験機で測定し、得られた値を剥離力とした。
長さ1000mのフィルムをロール状に巻き取る。ロール状から5m/分の速度で再度フィルムを繰り出す際の状態(安定性、外観)を繰り出し性として評価した、
<実施例1>
MFR(230℃、2.16kg荷重)が8g/10分、ゴム成分(冷キシレン可溶分のことをいう。)の極限粘度[η](135℃のデカリン中で測定)が2.8dl/g、ゴム量(冷キシレン可溶分量のことをいう。)が13重量%のブロックポリプロピレン97.5重量%、
極限粘度[η]が20dl/g、平均粒子径11μmの粒子状超高分子量ポリエチレン1.5重量%、および、
特開2010-37555号公報の方法に従い、融点116℃、数平均分子量730の末端ビニルポリエチレンをヒドロシリル化して得られたヒドロシリル化ポリエチレン1.0重量%からなる組成物を離型層とした。
融点が142℃、MFR(230℃、2.16kg荷重)が6g/10分、メルトテンション(190℃)0.5gのランダムポリプロピレン(プロピレン・エチレン・ブテン共重合体)を中間層(基材層)とした。
それらを、Tダイ型複合製膜機を用い、離型層/中間層/離型層からなる2種3層フィルムを得た。フィルムの総厚さは100μm、各層の厚さは離型層/中間層/離型層=10/80/10μmとした。
離型層のRaは0.50μm、Rzは8.7μmであった。島状粒子径は9~15μmの範囲であった。
フレキシブルプリント基板用評価結果は以下の通り。
フレキシブルプリント基板に対する離形性;○
接着剤追従性 ; ○
はみ出し状態 ; ×。
MFR(230℃、2.16kg荷重)が8g/10分、ゴム成分の極限粘度[η](135℃のデカリン中で測定)が2.8dl/g、ゴム量(冷キシレン可溶分量)が13重量%のブロックポリプロピレン97.5重量%、
平均粒子径11μm、極限粘度[η]が20dl/gの粒子状超高分子量ポリエチレン1.5重量%、および、
特開2010-37555号公報の方法に従い、融点116℃、数平均分子量730の末端ビニルポリエチレンをヒドロシリル化して得られたヒドロシリル化ポリエチレン1.0重量%からなる組成物を離型層とした。
密度0.928g/cm3、MFR(190℃、2.16kg荷重)が0.4g/10分、メルトテンション(190℃)7.0gの低密度ポリエチレン(住友化学製 EPPE CU5003)を中間層(基材層)とした。
それらを、Tダイ型複合製膜機を用い、離型層/中間層/離型層からなる2種3層フィルムを得た。フィルムの総厚さは100μm、各層の厚さは離型層/中間層/離型層=10/80/10μmとした。
離型層のRaは0.51μm、Rzは8.8μmであった。島状粒子径は9~15μmの範囲であった。
フレキシブルプリント基板用評価結果は以下の通り。
フレキシブルプリント基板に対する離形性;○
接着剤追従性 ; ○
はみ出し状態 ; ○。
中間層(基材層)をMFR(190℃、2.16kg荷重)が7g/10分、メルトテンション(190℃)0.8gの高密度ポリエチレンとした以外は実施例1と同様にして離型フィルムを作成した。
離型層のRaは0.45μm、Rzは8.5μmであった。島状粒子径は9~15μmの範囲であった。
フレキシブルプリント基板用評価結果は以下の通り。
フレキシブルプリント基板に対する離形性;○
接着剤追従性 ; ○
はみ出し状態 ; ×。
MFR(230℃、2.16kg荷重)が8g/10分、ゴム成分の極限粘度[η](135℃のデカリン中で測定)が2.8dl/g、ゴム量(冷キシレン可溶分量)が13重量%のブロックポリプロピレン98.5重量%、
極限粘度[η]が20dl/g、平均粒子径11μmの粒子状超高分子量ポリエチレンの電子線照射物1.5重量%
からなる組成物を離型層として用いた以外は実施例1と同様にして離型フィルムを作成した。
離型層のRaは0.47μm、Rzは8.8μmであった。島状粒子径は9~15μmの範囲であった。
フレキシブルプリント基板用評価結果は以下の通り。
フレキシブルプリント基板に対する離形性;○
接着剤追従性 ; ○
はみ出し状態 ; ×。
MFR(230℃、2.16kg荷重)が4g/10分、ゴム成分の極限粘度[η](135℃のデカリン中で測定)が2.5dl/g、ゴム量(冷キシレン可溶分量)が13重量%のブロックポリプロピレン100重量%を
離型層として用いた以外は実施例1と同様にして離型フィルムを作成した。離型層のRaは0.2μm、Rzは3.0μmであった。
超高分子量ポリエチレンに由来する島状粒子径は見られなかった。
フレキシブルプリント基板用評価結果は以下の通り。
フレキシブルプリント基板に対する離形性;×
接着剤追従性 ; ○
はみ出し状態 ; ×。
MFR(230℃、2.16kg荷重)が8g/10分、ゴム成分の極限粘度[η](135℃のデカリン中で測定)が2.8dl/g、ゴム量(冷キシレン可溶分量)が13重量%のブロックポリプロピレン97.5重量%、
極限粘度[η]が20dl/g、平均粒子径11μmの粒子状超高分子量ポリエチレンの電子線照射物1.5重量%、および、
特開2010-37555号公報の方法に従い、融点116℃、数平均分子量730の末端ビニルポリエチレンをヒドロシリル化して得られたヒドロシリル化ポリエチレン1.0重量%からなる組成物を離型層とした。
融点が142℃、MFR(230℃、2.16kg荷重)が6g/10分のランダムポリプロピレン(プロピレン・エチレン・ブテン共重合体)を中間層(基材層)とした。
スチレン-エチレン-ブチレン共重合体(JSR社製ダイナロン1321P)40重量%、テルペンフェノール系粘着付与剤(ヤスハラケミカル製TH130)10重量%、高圧法ポリエチレン50%からなる組成物を粘着層とした。
それらを、Tダイ型複合製膜機を用い、離型層/中間層/粘着層からなる3種3層フィルムを得た。フィルムの総厚さは40μm、各層の厚さは離型層/中間層/粘着層=3/32/5μmとした。
離型層のRaは0.50μm、Rzは8.7μm、島状粒子径は9~15μmの範囲であった。
MFR(230℃、2.16kg荷重)が4g/10分、ゴム成分の極限粘度[η](135℃のデカリン中で測定)が2.5dl/g、ゴム量(冷キシレン可溶分量)が13重量%のブロックポリプロピレン100重量%を
離型層として用いた以外は実施例5と同様にして保護フィルムを作成した。離型層のRaは0.2μm、Rzは3.0μm、超高分子量ポリエチレンに由来する島状粒子径は見られなかった。
MFR(230℃、2.16kg荷重)が8g/10分、ゴム成分の極限粘度[η](135℃のデカリン中で測定)が2.8dl/g、ゴム量(冷キシレン可溶分量)が13重量%のブロックポリプロピレン98.5重量%、および、
極限粘度[η]が20dl/g、平均粒子径11μmの粒子状超高分子量ポリエチレン1.5重量%からなる組成物を
離型層として用いた以外は実施例5と同様にして保護フィルムを作成した。離型層のRaは0.47μm、Rzは8.8μm、島状粒子径は9~15μmの範囲であった。
繰り出した後のフィルム外観も良好であった。
スチレン-イソブチレン-スチレン共重合体(カネカ社製シブスター062M)90重量%、スチレン系粘着付与剤(三井化学社製FTR6125)10重量%からなる組成物を粘着層としたこと以外は実施例5と同様にして保護フィルムを作成した。離型層のRaは0.51μm、Rzは8.5μmであった。
MFR(230℃、2.16kg荷重)が4g/10分、ゴム成分の極限粘度[η](135℃のデカリン中で測定)が2.5dl/g、ゴム量(冷キシレン可溶分量)が13重量%のブロックポリプロピレン100重量%を
離型層として用いた以外は実施例5と同様にして保護フィルムを作成した。離型層のRaは0.2μm、Rzは3.0μmであった。
ップマーク)が見られた。
スチレン-イソブチレン-スチレン共重合体(カネカ社製シブスター062M)90重量%、スチレン系粘着付与剤(三井化学社製FTR6125)10重量%からなる組成物を粘着層としたこと以外は実施例5と同様にして保護フィルムを作成した。離型層のRaは0.51μm、Rzは8.5μmであった。
プロピレン-エチレン-ブテン共重合体(三井化学社製タフマーPN-2060)100重量%を粘着層としたこと以外は実施例5と同様にして保護フィルムを作成した。離型層のRaは0.51μm、Rzは8.6μmであった。
Claims (10)
- 離型層を有する離型フィルムであって、離型層が以下の(A)、(B)を有することを特徴とする離型フィルム。
(A)ポリエチレン、ポリプロピレン、ポリブテンから選ばれる少なくとも一種のポリオレフィン樹脂60~99.9重量%
(B)極限粘度[η]が8dl/g以上の超高分子量ポリエチレン0.1~40重量% - 離型層を有する離型フィルムであって、離型層が以下の(A)、(B)および(C)を有することを特徴とする離型フィルム。
(A)ポリエチレン、ポリプロピレン、ポリブテンから選ばれる少なくとも一種のポリオレフィン樹脂を60~99.8重量%
(B)極限粘度[η]が8dl/g以上の超高分子量ポリエチレン0.1~39.9重量%(C)離型材0.1~39.9重量% - 超高分子量ポリエチレンが離型層中に島状粒子を形成し、該島状粒子の島状粒子径が3~100μmである請求項1または2に記載の離型フィルム。
- 離型層とポリイミドフィルムとを180℃×4MPaで加熱、加圧接触させた後の剥離力が0.5N/25mm以下である請求項1~3のいずれかに記載の離型フィルム。
- 離型材がヒドロシリル化ポリオレフィンである請求項2~4のいずれかに記載の離型フィルム。
- 請求項1~5のいずれかに記載の離型フィルムの離型層を有し、かつ少なくとも2層からなる多層フィルムの最外層が粘着層である保護フィルム。
- 粘着層がオレフィン系重合体を有する請求項6に記載の保護フィルム。
- 粘着層がスチレン系エラストマーを有する請求項6に記載の保護フィルム。
- プリント基板製造用またはフレキシブルプリント基板製造用である請求項1~5のいずれかに記載の離型フィルム。
- 光学フィルム用である請求項6~8のいずれかに記載の保護フィルム。
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Cited By (4)
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CN112638647A (zh) * | 2018-09-07 | 2021-04-09 | 东丽薄膜先端加工股份有限公司 | 脱模膜、及使用其的粘合片层叠体 |
JP6966025B1 (ja) * | 2020-03-25 | 2021-11-10 | 東レフィルム加工株式会社 | 積層フィルム及びフィルムロール |
WO2022091714A1 (ja) * | 2020-10-30 | 2022-05-05 | 日東電工株式会社 | 表面保護フィルム |
CN116133848A (zh) * | 2020-10-21 | 2023-05-16 | 住友电木株式会社 | 脱模膜及成型品的制造方法 |
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CN110065285B (zh) * | 2019-03-25 | 2021-07-13 | 中国建筑股份有限公司 | 一种建筑模板用脱模功能自修复的塑料蒙皮及其制备方法 |
JP6993543B1 (ja) * | 2020-05-20 | 2022-01-13 | 日東電工株式会社 | 保護フィルム、フォルダブルデバイス、および、ローラブルデバイス |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63241050A (ja) * | 1987-03-30 | 1988-10-06 | Mitsui Petrochem Ind Ltd | 超高分子量エチレン重合体組成物及びその製法 |
JPH01129047A (ja) * | 1987-11-13 | 1989-05-22 | Mitsui Petrochem Ind Ltd | ポリオレフイン組成物 |
JPH05269939A (ja) * | 1992-03-25 | 1993-10-19 | Mitsubishi Paper Mills Ltd | 型付け用離型材 |
WO2009157143A1 (ja) * | 2008-06-23 | 2009-12-30 | 株式会社クラレ | 離型フィルム |
JP2015048384A (ja) * | 2013-08-30 | 2015-03-16 | 三井化学株式会社 | ポリオレフィン樹脂組成物およびその用途 |
JP2016150483A (ja) * | 2015-02-17 | 2016-08-22 | 住友ベークライト株式会社 | 離型フィルムおよび成型品の製造方法 |
JP2016175322A (ja) * | 2015-03-20 | 2016-10-06 | ユニチカ株式会社 | 離型シート |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6056378B2 (ja) | 1978-08-17 | 1985-12-10 | 親佐 上之園 | 電力系統の復旧順序決定方法 |
JP2619034B2 (ja) | 1988-12-28 | 1997-06-11 | 三井石油化学工業株式会社 | 積層体からなる離型フィルム |
JPH05283862A (ja) | 1992-03-31 | 1993-10-29 | Sony Corp | 積層プリント基板の製造方法 |
JP2006321114A (ja) | 2005-05-18 | 2006-11-30 | Sekisui Chem Co Ltd | 多層離型フィルム |
JP2008088248A (ja) * | 2006-09-29 | 2008-04-17 | Tamapori Kk | インフレーション成形用樹脂組成物及びその成形フィルム |
US8995337B2 (en) * | 2011-01-14 | 2015-03-31 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for managing the mobility of mobile networks |
KR101983418B1 (ko) * | 2011-10-31 | 2019-05-28 | 도요보 가부시키가이샤 | 폴리올레핀계 필름 |
JP5979985B2 (ja) * | 2012-05-29 | 2016-08-31 | 三井化学株式会社 | オレフィン系重合体組成物および該組成物からなるフィルム |
TW201420344A (zh) * | 2012-09-21 | 2014-06-01 | Nippon Synthetic Chem Ind | 聚乙烯醇系膜及其製造方法、以及使用聚乙烯醇系膜之熱轉印用積層體及使用其之熱轉印方法 |
-
2017
- 2017-12-05 CN CN201780077253.0A patent/CN110087881A/zh active Pending
- 2017-12-05 WO PCT/JP2017/043569 patent/WO2018110361A1/ja active Application Filing
- 2017-12-05 JP JP2017563633A patent/JP6858938B2/ja active Active
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63241050A (ja) * | 1987-03-30 | 1988-10-06 | Mitsui Petrochem Ind Ltd | 超高分子量エチレン重合体組成物及びその製法 |
JPH01129047A (ja) * | 1987-11-13 | 1989-05-22 | Mitsui Petrochem Ind Ltd | ポリオレフイン組成物 |
JPH05269939A (ja) * | 1992-03-25 | 1993-10-19 | Mitsubishi Paper Mills Ltd | 型付け用離型材 |
WO2009157143A1 (ja) * | 2008-06-23 | 2009-12-30 | 株式会社クラレ | 離型フィルム |
JP2015048384A (ja) * | 2013-08-30 | 2015-03-16 | 三井化学株式会社 | ポリオレフィン樹脂組成物およびその用途 |
JP2016150483A (ja) * | 2015-02-17 | 2016-08-22 | 住友ベークライト株式会社 | 離型フィルムおよび成型品の製造方法 |
JP2016175322A (ja) * | 2015-03-20 | 2016-10-06 | ユニチカ株式会社 | 離型シート |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112638647A (zh) * | 2018-09-07 | 2021-04-09 | 东丽薄膜先端加工股份有限公司 | 脱模膜、及使用其的粘合片层叠体 |
CN112638647B (zh) * | 2018-09-07 | 2022-12-06 | 东丽薄膜先端加工股份有限公司 | 脱模膜、及使用其的粘合片层叠体 |
JP6966025B1 (ja) * | 2020-03-25 | 2021-11-10 | 東レフィルム加工株式会社 | 積層フィルム及びフィルムロール |
CN116133848A (zh) * | 2020-10-21 | 2023-05-16 | 住友电木株式会社 | 脱模膜及成型品的制造方法 |
CN116133848B (zh) * | 2020-10-21 | 2023-09-12 | 住友电木株式会社 | 脱模膜及成型品的制造方法 |
WO2022091714A1 (ja) * | 2020-10-30 | 2022-05-05 | 日東電工株式会社 | 表面保護フィルム |
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JPWO2018110361A1 (ja) | 2019-10-24 |
KR20190097068A (ko) | 2019-08-20 |
KR102399713B1 (ko) | 2022-05-19 |
TW201829199A (zh) | 2018-08-16 |
JP6858938B2 (ja) | 2021-04-14 |
TWI803474B (zh) | 2023-06-01 |
CN110087881A (zh) | 2019-08-02 |
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