WO2007114458A1 - フィルムの製造方法 - Google Patents
フィルムの製造方法 Download PDFInfo
- Publication number
- WO2007114458A1 WO2007114458A1 PCT/JP2007/057514 JP2007057514W WO2007114458A1 WO 2007114458 A1 WO2007114458 A1 WO 2007114458A1 JP 2007057514 W JP2007057514 W JP 2007057514W WO 2007114458 A1 WO2007114458 A1 WO 2007114458A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- roll
- powder
- resin
- blocking agent
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/94—Lubricating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/9155—Pressure rollers
Definitions
- the present invention relates to a method for producing a film.
- films used for packaging foods, pharmaceuticals, industrial products, etc. films made of synthetic resins such as polyethylene resins and polypropylene resins are often used. These films are required to have anti-blocking properties and slipping properties in order to improve workability when forming a film or packaging an object to be packaged.
- a resin is melt-extruded in a film form from a ⁇ die, and the melt-extruded film-shaped resin is brought into close contact with the roll surface of a cooling tool while being cooled.
- the T-die film forming method is known.
- an anti-blocking agent is usually blended with the resin in order to improve blocking resistance and slipperiness, but the molten resin blended with the anti-blocking agent adheres closely to the roll surface of the cooling roll. Therefore, the effect of the anti-blocking agent blending may not be sufficient.
- the film after molding is coated with fine powder such as starch, an anti-blocking agent is blended with low-density polyethylene, and the average particle size of the anti-blocking agent is made thinner than the low-density polyethylene layer.
- the T-die film is molded (Japanese Patent Laid-Open No. 11-1779778), and the T-die film is molded by blending a surface-hydrophobicized anti-blocking agent with low-density polyethylene. (Japanese Patent Laid-Open No. 2 0 2-2 2 5 1.97) and the like have been proposed as a method for improving anti-blocking properties and slipping properties.
- an object of the present invention is to provide a method for producing a ⁇ die film, which is excellent in blocking resistance, slipperiness and anti-blocking agent desorption resistance. is there.
- the present invention includes a step of melt-extruding a resin in a film form from a ⁇ die, and a step of spraying an anti-blocking agent on the roll surface of a cooling roll at a surface area average spray amount of 0.5 to 3 g Zm 2 . And a step of pressure-bonding the melt-extruded film-shaped molten resin to the roll surface of a cooling roll sprayed with a powder of an antiblocking agent.
- the method for producing a film of the present invention includes a step of melt-extruding a resin from a T-die into a film shape.
- resins used in the present invention include polyolefin resins, polyamide resins, polyester resins, ethylene-vinyl alcohol copolymers, ionomer resins, polyvinyl chloride resins, polyvinylidene chloride resins, polyimide resins, etc. T What can manufacture a film by die processing is used.
- polyolefin resin 50% by weight or more of one or more monomer units based on olefins having 2 to 10 carbon atoms such as ethylene, propylene, 1-butene, and 1 hexene.
- a polyethylene-based resin which is a polymer containing 50% by weight or more of monomer units based on ethylene, or a polymer containing 50% by weight or more of monomer units based on propylene. Examples thereof include polypropylene resins.
- polyethylene resins examples include ethylene homopolymer, ethylene mono P2007 / 057514
- ethylene-vinyl ester copolymer such as ethylene vinyl acetate copolymer
- ethylene monomethyl acrylate copolymer ethylene monoacrylic acid
- ethylene monounsaturated carboxylic acid ester copolymers such as ethylene copolymer, ethyl butyl acrylate copolymer, ethylene methyl methacrylate copolymer, and ethylene-ethyl methacrylate copolymer.
- polypropylene resin examples include propylene homopolymer, propylene monoethylene copolymer, propylene mono-1-butene copolymer, propylene monoethylene
- Examples thereof include 1-hexene copolymer, propylene monoethylene mono-1-butene copolymer, propylene monoethylene monohexene copolymer, and the like. These may be used alone or in combination of two or more. These polypropylene resins are produced by a known method.
- the polyolefin resin is preferably a polyethylene resin, and the content of monomer units based on ethylene in the polyethylene resin is preferably 100% by weight, preferably 70% by weight. More preferably, it is 80% by weight or more, and more preferably 90% by weight or more.
- melt flow rate of polyolefin resin in the case of polyethylene resin, in accordance with the method specified in JISK 72 1 0-1 9 95 5 under the conditions of load 2 1.18 N and temperature 1 90 ° C.
- the melt flow rate to be measured is preferably 1 to; L 0 0 gZl 0 minutes, more preferably 1.5 to 50 g / 10 minutes, and in the case of polypropylene resins, JIS K72 1 0— 1 99 5
- the melt flow rate measured under the conditions of load 2 1. 18 N, temperature 2 30 ° C is preferably 1 to 100 g / 10 min. The preferred range is 1.5 to 50 g / 10 minutes.
- the resin may be blended with known additives such as antioxidants, neutralizers, antistatic agents, antifogging agents, lubricants, and other resins.
- additives such as antioxidants, neutralizers, antistatic agents, antifogging agents, lubricants, and other resins.
- the resin When the resin is melt-extruded, it may be melt-extruded in a single layer or may be melt-extruded in multiple layers such as co-extrusion.
- the temperature at which the resin is melt-extruded is preferably 1550 or more, more preferably 180 ° C or more, from the viewpoint of enhancing desorption resistance.
- it is preferably 340 ° C or lower, more preferably 320 ° C or lower.
- the method for producing a film of the present invention includes a step of spraying an anti-blocking agent on the surface of the chill roll.
- anti-blocking agent used in the present invention examples include inorganic anti-blocking agents such as natural silica, synthetic silica, zeolite, calcium carbonate, talc, and glass powder; polymethacrylic acid resin, cross-linked polystyrene resin, bridge Examples thereof include an organic antiblocking agent such as a methyl methacrylate resin and a copolymer resin of crosslinked methyl methacrylate and styrene.
- anti-blocking powders for gravure, film, laminating and printing made of corn starch starch for example, Nitsuka Co., Ltd. manufactured by Nitsuka Co., Ltd.
- corn starch starch for example, Nitsuka Co., Ltd. manufactured by Nitsuka Co., Ltd.
- Anti-blocking agent powder can be sprayed onto the roll surface of the cooling roll using anti-blocking agent powder, such as sprays for electrostatic powder coating, anti-blocking powder spreaders, and dust generators for dust performance tests.
- anti-blocking agent powder such as sprays for electrostatic powder coating, anti-blocking powder spreaders, and dust generators for dust performance tests.
- the above-mentioned spray for electrostatic powder coating is a method of charging a powder to be sprayed and spraying the powder onto a grounded object by air or the like.
- the charging method include a charging method using a corona and a charging method using friction.
- Commercially available sprays can be used as electrostatic powder coating sprays.
- Corona Charger type electrostatic powder coating sprays for corona charging can be used as an opty gun manufactured by Lansburg Industry Co., Ltd. A (X) or Japan
- GX 7 0 0 0 0 L manufactured by Isshiri Rising Co., Ltd.
- triboelectric electrostatic powder coating spray that performs triboelectric charging is a tribomatic 500 hand gun manufactured by Nordson Corporation.
- input pressure is usually 0.6 to 1.
- OMPa spray amount per unit time is 1 to 50 g / Minutes.
- the output amount of air is usually, l ⁇ 1 0 m 3 / h.
- the amount of the output air is preferably 8 m 3 Z or less, and from the viewpoint of enhancing the blocking resistance and slipperiness of the film, the output air The amount is preferably 2 m 3 / h or more.
- the set voltage is usually 20 to 1550 kV, and the set current is 40 to 1550 A. From the viewpoint of spraying economically, the set voltage is preferably 120 kV or less, and the set voltage is preferably 120 A or less, and from the viewpoint of selectively spraying powder onto the sprayed object, The set voltage is preferably 40 kV or more, and the set voltage is preferably 60 A or more.
- a plurality of sprays for electrostatic powder coating can be arranged in the width direction and used simultaneously. Further, the spray may be appropriately enclosed so that the powder does not scatter around.
- the above-mentioned anti-blocking powder spreader is provided with a powder storage tank having an opening provided with a roller at the lower part, and the roller is rotated to transfer the powder in the powder storage tank to the roller.
- the adhering powder is released from the roller by corona discharge or the like, and sprayed onto the sprayed object passing under the roller.
- the anti-blocking powder spreader commercially available ones can be used, for example, Nitsuka Spray K-III made by Nitsuka Co., Ltd., Nitsuka Spray K-V made by Nitsuka Co., Ltd. which has a scattering prevention function, and the like. .
- the amount of sprayed powder can be controlled by appropriately adjusting the roller speed of the spreader.
- the roller speed is 0.2 to 20 rpm.
- the spreader may be appropriately enclosed so that the powder is not scattered around.
- the dust generating apparatus for dust performance test described above is a device for stirring powder with air or the like by a mixer and spraying the powder at a desired powder concentration and rated amount.
- a commercially available device can be used, for example, Alpha Dust Departure Co., Ltd. DD P-1100.
- the dust concentration is usually 1 to: L 0 0 g / m 3 and the rated air volume is 0.1 to 1.0 m 3 Z.
- the device may be appropriately enclosed or provided with a collection facility so that the powder does not scatter around.
- the area average spray amount of the antiblocking agent on the roll surface of the cooling roll is 0.5 g / m 2 or more. If the area average spray amount is too small, the slipping property and anti-blocking property may be lowered. Preferably it is 1 gZm 2 or more. The area average spray amount is 3 gZm 2 or less. If the area-average spray amount is too large, desorption resistance may decrease. Preferably it is 2.5 g / m 2 or less.
- the area average spray amount is the amount of powder sprayed onto the roll surface, and is a value per unit area of the portion sprayed with the powder.
- W Length in the roll width direction of the part sprayed with powder on the cooling roll surface
- the film production method of the present invention comprises a melt-extruded film-like molten resin and a cooling port sprayed with an anti-blocking agent in powder form. A step of pressure-bonding to a roll surface.
- the pressure roll include rubber rolls made of silicon or neoprene, flexible metal rolls (for example, Sumitomo Heavy Machinery Modern Co., Ltd. flex roll) is used.
- the pressure at which the melt-extruded film-like molten resin is pressed onto the roll surface of the cooling roll is preferably 4.9 k NZm or more from the viewpoint of improving the desorption resistance as the pressing roll linear pressure. More preferably, it is 15 kN Zm or more. Further, from the viewpoint of improving blocking resistance and slipperiness, it is preferably 24.5 kN Zm or less, more preferably 24 4 kN Zm or less.
- a base film is fed out to the pressure roll side of the molten resin, and the cooling roll Z molten resin base film / crimp roll It is good also as a multilayer film which has arrange
- the base film resin film, paper, woven fabric, metal foil, etc. are used.
- the resin used for the base material examples include polyamide resins, polyester resins, ethylene-vinyl alcohol copolymers, polyvinyl alcohol, polypropylene resins, polyethylene resins, ionomer resin, cellophane, polyvinylidene chloride, Examples include polystyrene, polyvinyl chloride, poly force monoponate, polymethyl methacrylate, polyurethane, fluororesin, polyacrylonitrile, polybutene resin, polyimide resin, polyarylate resin, and acetylcellulose.
- the base film may be a multilayer film, or may be a laminated film of resin such as paper, woven fabric or metal foil.
- the temperature of the roll surface of the cooling roll is a temperature at which the melt-extruded film-like molten resin can be cooled, and is usually 5 to 80 ° C.
- the temperature is preferably 15 ° C. or higher from the viewpoint of improving desorption resistance, blocking resistance, and slipperiness, and 40 ° C. or lower from the viewpoint of improving the roll-off property of the film. It is preferable that it exists.
- the T-die As a device for melt-extruding resin from a T-die into a film and pressing the melt-extruded film-like resin on the roll surface of a cooling port, the T-die A known T die film forming apparatus equipped with an extruder, a cooling roll, a pressure roll, a take-up machine, etc. can be used.
- the present invention is performed by a continuous molding method, that is, a resin is continuously melt-extruded from a T-die in a film shape, and the continuously melt-extruded film-shaped molten resin is rotated on a roll surface while rotating a cooling roll.
- the line speed cooling roll rotation speed (circumferential speed), take-up speed) is usually 20 to 20 OmZ.
- the arithmetic average roughness (Ra) of the surface on the cooling roll side of the film obtained by the production method of the present invention is 0.2 m or more in the case of having a base film from the viewpoint of enhancing the blocking resistance and the slipperiness. In the case of not having a base film, it is preferably 0.3 m or more, and from the viewpoint of enhancing desorption resistance, it is preferably 0.6 m or less.
- the arithmetic average roughness (R a) is taken so that the X-axis and Y-axis are perpendicular to the average surface direction of the roughness surface, and the Z-axis is taken in the vertical magnification direction (the average surface and the vertical direction)
- the roughness curved surface with the reference length in the X-axis direction and the reference length in the Y-axis direction is extracted from the roughness curved surface, and the extracted roughness curved surface is represented by z2 f (x, y)
- the value obtained by the equation is expressed in m.
- L X Reference length in the X-axis direction
- L y Reference length in the Y-axis direction
- the above arithmetic average roughness (R a) is obtained by appropriately changing the temperature at which the resin is melt-extruded, the surface temperature of the cooling roll, the area average spray amount of the antiblocking agent, the pressing roll linear pressure, the take-up speed, etc. To be adjusted.
- the anti-blocking agent occupancy ratio on the cooling roll side surface of the film obtained by the production method of the present invention is preferably 10% or more, and more preferably 13% or more, from the viewpoint of enhancing blocking resistance and slipperiness. In addition, from the viewpoint of enhancing desorption resistance, it is preferably 30% or less, and more preferably 27% or less.
- the anti-blocking agent occupation ratio is the area occupied by the anti-blocking agent on the film surface.
- the film obtained by the production method of the present invention is excellent in blocking resistance, slipperiness and anti-blocking agent desorption resistance. Also, transparency is good. Therefore, it is used for various packaging materials such as food packaging materials, pharmaceutical packaging materials, and industrial materials.
- the surface on the cooling roll side of the film was rubbed with a finger, and the evaluation was performed according to the following categories.
- ⁇ Anti-blocking agent hardly adheres to fingers.
- the anti-blocking agent slightly adheres to the finger.
- the height was measured under the following measurement conditions using an ultra-deep shape measurement microscope (measurement part: VK-85 10 manufactured by Keyence Corporation, controller part: VK-85550 manufactured by Keyence Corporation). In the measurement, it was confirmed that the measurement range in the height direction (DISTANCE) was sufficiently larger than the maximum height in the obtained height data.
- Ra was determined from the height data obtained by the measurement using the “surface roughness” measurement function of the analysis software (VK shape analysis application VK-H 1 W Ver. L.06) manufactured by Keyence Corporation. Prior to the measurement, the height data was smoothed (size: 7 X 7, number of executions: 1).
- the cooling roll temperature was 20 and the pressing roll linear pressure was 19.6 kNZm.
- the electrostatic powder coating spray [800 mm vertically upward from the center of the cooling roll (diameter: 600 mm) and 300 mm in the horizontal anti-T-die direction [ Landsper Guindustry Co., Ltd.
- Example 1 The same procedure as in Example 1 was conducted except that the anti-blocking agent was not sprayed with powder. Table 1 shows the physical property evaluation results of the obtained single-layer film.
- Example 1 The same procedure as in Example 1 was performed except that crimping was not performed. Table 1 shows the physical property evaluation results of the obtained single-layer film.
- T-die film forming machine manufactured by Sumitomo Heavy Industries Modern Co., Ltd.
- a multilayer film polyethylene resin polyamide
- the temperature of the molten resin immediately below the die was set at 300 ° C, the air gap was set at 15 Omm, the cooling roll temperature was set at 20 ° C, and the line pressure at the pressing port was set at 19.6 kNZm. .
- the electrostatic powder coating spray [80 Omm vertically upward from the center of the cooling roll (diameter: 60 Omm) and 30 Omm in the horizontal anti-T-die direction [ Lansburg Industry Co., Ltd.
- Opty Gun A (X) Automatic Powder Gun GA 0 with 1: 4 Omm Nozzle] was installed, and a very small amount of powder feeder [Alpha Milli Feeder Macro C — Inorganic anti-blocking agent using 60 G (with bridge breaker) [Inorganic anti-blocking agent (Synthetic aluminosilicate anti-blocking agent manufactured by Mizusawa Chemical Co., Ltd.
- Example 14 The same procedure as in Example 2 was performed except that the circumferential speed and take-up speed of the reject roll were set to 30 m / min. Table 2 shows the physical property evaluation results of the obtained multilayer film.
- Example 2 The same procedure as in Example 2 was conducted except that the anti-blocking agent was not sprayed and the circumferential speed and take-up speed of the cooling roll were set to 3 OmZ. Table 2 shows the physical property evaluation results of the obtained multilayer film.
- Example 2 The same procedure as in Example 2 was performed except that the area-average spray amount of the anti-blocking agent was 4.0 g / m 2 and the circumferential speed and take-up speed of the cooling roll were 15 mZ. Table 2 shows the physical property evaluation results of the obtained multilayer film.
- the area average spray amount of the blocking agent was 0.38 gZm 2 and the circumferential speed and take-up speed of the cooling roll were 8 OmZ.
- Table 2 shows the physical property evaluation results of the obtained multilayer film.
- the anti-blocking agent using an organic anti-blocking agent (Eposuta MA 1010), except that the area-average spraying amount of the anti-blocking agent and 1. O gZm 2, was performed in the same manner as in Example 4.
- Table 3 shows the physical property evaluation results of the resulting multilayer film.
- Comparative Example 6 The same procedure as in Example 4 was conducted except that the anti-blocking agent was not sprayed with powder. Table 3 shows the physical property evaluation results of the obtained multilayer film.
- the molten resin melt-extruded into film shape is fed to the roll side, and the molten resin melt-extruded into film shape is
- the roll surface of the chill roll rotated at a speed of 2 Om / min is cooled by continuously crimping with a crimping roll (material: silicon rubber) through a biaxially stretched polyamide film and pulled at 2 Om / min.
- a multilayer film polyethylene resin Z polyamide having a thickness of 35 tm was obtained.
- the temperature of the molten resin directly under the die was 300 ° (:, air gap up to 15 Omm, cooling roll temperature to 20 ° C, and pressure line pressure at the pressing mouth of 19.6 kNZm.
- a blocking powder spreader [Nitsuka Co., Ltd.] is positioned 600 mm vertically upward and 100 mm horizontally against the center of the cooling roll (diameter: 60 Omm). ) Installed so that the bottom of the wiper of Nitsuka Spray III] is positioned, and cool the inorganic anti-blocking agent JC-50 toward the cooling port at the rotation speed of the sprayer at 20 rpm. The powder was sprayed with an area average spray amount of 2.58 g / m 2 in the roll surface width range of 30 Omm, and the physical property evaluation results of the obtained multilayer film are shown in Table 4.
- Example 4 The same procedure as in Example 6 was performed, except that the circumferential speed and take-up speed of the cooling roll were 80 m / min, and the powder spray amount of the antiblocking agent was 0.65 gZm 2 .
- Table 4 shows the physical property evaluation results of the obtained multilayer film.
- Example 6 was performed in the same manner as in Example 6. Table 4 shows the physical property evaluation results of the resulting multilayer film.
- An organic anti-blocking agent (Eposta MA 1 0 1 0) was used as the anti-blocking agent, the circumferential speed and take-up speed of the cooling roll was 8 OmZ, and the area average spray amount of the anti-blocking agent was 0.8 8 g.
- the same operation as in Example 6 was performed except that / m 2 was set.
- Table 5 shows the physical property evaluation results of the obtained multilayer film.
- Example 5 shows the physical property evaluation results of the resulting multilayer film.
- An organic anti-blocking agent (poster MA 1 0 1 0) was used as the anti-blocking agent, the circumferential speed and take-up speed of the cooling roll was 8 OmZ, and the rotation speed of the sprayer nozzle was 2. O pm.
- the same procedure as in Example 6 was performed except that the area-average spray amount of the anti-blocking agent was 0.08 g / m 2 .
- Table 5 shows the physical property evaluation results of the obtained multilayer film. 14
- the present invention it is possible to provide a method for producing a T-die film, which is excellent in blocking resistance, slipping property and anti-blocking agent desorption resistance.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112007000725T DE112007000725T5 (de) | 2006-03-30 | 2007-03-28 | Folienherstellungsverfahren |
US12/293,535 US20090273115A1 (en) | 2006-03-30 | 2007-03-28 | Method of producing film |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006093747 | 2006-03-30 | ||
JP2006-093747 | 2006-03-30 |
Publications (1)
Publication Number | Publication Date |
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WO2007114458A1 true WO2007114458A1 (ja) | 2007-10-11 |
Family
ID=38563719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/057514 WO2007114458A1 (ja) | 2006-03-30 | 2007-03-28 | フィルムの製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090273115A1 (ja) |
CN (1) | CN101410237A (ja) |
DE (1) | DE112007000725T5 (ja) |
WO (1) | WO2007114458A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120189790A1 (en) * | 2009-08-11 | 2012-07-26 | Nissin Foods Holdings Co., Ltd. | Heat-sealable laminate and method for producing same |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3539577A1 (en) * | 2008-04-17 | 2019-09-18 | Dentsply IH AB | Improved medical device with hydrophilic coating |
CN102942010B (zh) * | 2012-10-26 | 2015-11-18 | 苏州柯创电子材料有限公司 | Lcd光学膜裁切用传送带及其生产方法 |
US20210107186A1 (en) * | 2017-03-28 | 2021-04-15 | Unipres Corporation | Cooling method and cooling device of molded resin products |
CN110616569A (zh) * | 2019-10-22 | 2019-12-27 | 江苏奥斯达带业有限公司 | 防粘连聚乙烯轻型输送带及其制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1199556A (ja) * | 1997-09-29 | 1999-04-13 | Sumitomo Chem Co Ltd | Tダイキャストフィルムの高速成形方法およびそのフィルム |
JPH11115089A (ja) * | 1997-10-09 | 1999-04-27 | Sumitomo Chem Co Ltd | 積層フィルムの製造方法 |
JPH11179778A (ja) * | 1997-12-22 | 1999-07-06 | Sumitomo Chem Co Ltd | 積層体の製造法 |
JP2001310370A (ja) * | 2000-04-28 | 2001-11-06 | Tosoh Corp | 押し出しラミネーション加工方法 |
JP2002225197A (ja) * | 2001-01-29 | 2002-08-14 | Fujimori Kogyo Co Ltd | 押出ラミネートフィルム |
JP2006272706A (ja) * | 2005-03-29 | 2006-10-12 | Sumitomo Chemical Co Ltd | 積層体の製造方法および積層体 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3592725A (en) * | 1965-12-29 | 1971-07-13 | Kokusaku Pulp Ind Co Ltd | Composite sheet of a thermoplastic synthetic resin film with solid particles partially embedded in the surface of the film |
US3751281A (en) * | 1972-02-17 | 1973-08-07 | American Can Co | Method for preparing a dimensionally stable waxed polyethylene sheet |
US4963388A (en) * | 1987-04-17 | 1990-10-16 | Mobil Oil Corporation | Method for forming particle-impregnated one-sided cling stretch wrap film |
US6019144A (en) * | 1993-08-06 | 2000-02-01 | Valence Technology, Inc. | Apparatus and method for applying material to a substrate |
US20020192360A1 (en) * | 2001-04-24 | 2002-12-19 | 3M Innovative Properties Company | Electrostatic spray coating apparatus and method |
SE522503C2 (sv) * | 2002-06-24 | 2004-02-10 | Tetra Laval Holdings & Finance | Metod samt anordning vid tillverkning av ett banformigt förpackningslaminat |
CN101166491B (zh) * | 2005-04-29 | 2012-07-04 | 宝洁公司 | 显示抗粘连特性的聚合物膜及制备方法和使用该聚合物膜的尿布 |
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2007
- 2007-03-28 US US12/293,535 patent/US20090273115A1/en not_active Abandoned
- 2007-03-28 WO PCT/JP2007/057514 patent/WO2007114458A1/ja active Application Filing
- 2007-03-28 DE DE112007000725T patent/DE112007000725T5/de not_active Withdrawn
- 2007-03-28 CN CNA2007800110635A patent/CN101410237A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1199556A (ja) * | 1997-09-29 | 1999-04-13 | Sumitomo Chem Co Ltd | Tダイキャストフィルムの高速成形方法およびそのフィルム |
JPH11115089A (ja) * | 1997-10-09 | 1999-04-27 | Sumitomo Chem Co Ltd | 積層フィルムの製造方法 |
JPH11179778A (ja) * | 1997-12-22 | 1999-07-06 | Sumitomo Chem Co Ltd | 積層体の製造法 |
JP2001310370A (ja) * | 2000-04-28 | 2001-11-06 | Tosoh Corp | 押し出しラミネーション加工方法 |
JP2002225197A (ja) * | 2001-01-29 | 2002-08-14 | Fujimori Kogyo Co Ltd | 押出ラミネートフィルム |
JP2006272706A (ja) * | 2005-03-29 | 2006-10-12 | Sumitomo Chemical Co Ltd | 積層体の製造方法および積層体 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120189790A1 (en) * | 2009-08-11 | 2012-07-26 | Nissin Foods Holdings Co., Ltd. | Heat-sealable laminate and method for producing same |
US9789670B2 (en) * | 2009-08-11 | 2017-10-17 | Nissin Foods Holdings Co., Ltd. | Heat-sealable laminate and method for producing same |
Also Published As
Publication number | Publication date |
---|---|
CN101410237A (zh) | 2009-04-15 |
DE112007000725T5 (de) | 2009-01-29 |
US20090273115A1 (en) | 2009-11-05 |
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