WO2013038866A1 - フィルムの製造方法 - Google Patents

フィルムの製造方法 Download PDF

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Publication number
WO2013038866A1
WO2013038866A1 PCT/JP2012/070812 JP2012070812W WO2013038866A1 WO 2013038866 A1 WO2013038866 A1 WO 2013038866A1 JP 2012070812 W JP2012070812 W JP 2012070812W WO 2013038866 A1 WO2013038866 A1 WO 2013038866A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
roll
outer peripheral
peripheral surface
touch roll
Prior art date
Application number
PCT/JP2012/070812
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
達希 萩原
Original Assignee
コニカミノルタアドバンストレイヤー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by コニカミノルタアドバンストレイヤー株式会社 filed Critical コニカミノルタアドバンストレイヤー株式会社
Priority to JP2013533578A priority Critical patent/JP5971253B2/ja
Priority to KR1020147006320A priority patent/KR102014559B1/ko
Publication of WO2013038866A1 publication Critical patent/WO2013038866A1/ja

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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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of the surface
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
    • 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
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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

Definitions

  • the present invention relates to a film production method for producing a film by narrowing a molten resin between a touch roll and a cast roll.
  • thermoplastic resins thermoplastic resins
  • a highly productive film forming method such as a melt casting film forming method is known.
  • a molten resin containing a thermoplastic resin is extruded from the casting die onto the surface of the cast roll, and the extruded film shape.
  • Patent Documents 1 to 3 cannot cope with the improvement of the touch rolls alone when forming a film at high speed. That is, there is a problem of a peeling horizontal stage where a horizontal stage is formed in the molten resin when peeling from the cast roll, a problem of a horizontal stage where a horizontal stage is generated in the molten resin when the pressure is narrowed, and the molten resin is not partially in contact with the touch roll.
  • the problem of touch omission and the non-uniformity of the narrow pressure caused unevenness in the width direction such as the edges and the center, resulting in problems such as uneven pressing.
  • the present invention has been made in view of the above problems, stabilizes the uniformity of the narrow pressure by the touch roll and the cast roll, improves the peeling stability from the touch roll during high-speed film formation, and a film. It aims at providing the manufacturing method of the film which can obtain the flatness of this with high precision.
  • the method for producing a film according to the first aspect includes a step of narrowing the molten resin extruded from the casting die between the pressing portion of the touch roll and the pressing portion of the cast roll.
  • the surface roughness of the pressing portion in the touch roll is Ry TR
  • the surface roughness in the cast roll is Ry CR
  • the elasticity of the touch roll is E TR
  • the elasticity of the cast roll is When ECR is set, the relationship of 10 1 ⁇ E TR / E CR ⁇ 10 3 is satisfied.
  • the film manufacturing method according to the second aspect is the film manufacturing method according to the first aspect, wherein the surface temperature of the touch roll is TTR, and the surface temperature of the cast roll is TCR.
  • TTR surface temperature of the touch roll
  • TCR surface temperature of the cast roll
  • the manufacturing method of the film according to the first or second aspect by satisfying the relation of 1.5 ⁇ Ry TR / Ry CR, it is possible to improve the peeling stability from the touch roll. Moreover, the uniformity of the narrow pressure by a touch roll and a cast roll can be stabilized by satisfy
  • filling the relationship of 10 ⁇ 1 > ⁇ ETR / ECR . Furthermore, by satisfying the relationship of Ry TR ⁇ 0.2S, Ry TR / Ry CR ⁇ 4.0, and E TR / E CR ⁇ 10 3 , it becomes possible to obtain the flatness of the film with high accuracy. . As a result, a high quality film can be manufactured.
  • the uniformity of the narrow pressure between the touch roll and the cast roll can be further stabilized by satisfying the relationship of (T CR -T TR ) ⁇ 100 ° C. It becomes possible. Further, by satisfying the relationship of 1 ° C. ⁇ (T CR ⁇ T TR ), it is possible to further improve the peeling stability from the touch roll even during high-speed film formation. As a result, a higher quality film can be produced.
  • FIG. 1 is a schematic view showing a film manufacturing apparatus according to an embodiment of the present invention.
  • thermoplastic resin melt is used as a raw material for producing the film.
  • the thermoplastic resin melt is a viscous fluid in which additives necessary for the thermoplastic resin melt are mixed.
  • resin pellets and powdery resin compounds are used as raw materials for various thermoplastic melts.
  • FIG. 1 is a schematic diagram of a film manufacturing apparatus 100 according to the embodiment.
  • the film is manufactured using the melt casting film forming method.
  • a film manufacturing apparatus 100 shown in FIG. 1 includes a cast roll (first cooling roll) 102, a touch roll 104, a second cooling roll 106, a third cooling roll 108, a peeling roll 110, a longitudinal stretching preheating roll 18, and a longitudinal stretching machine 112a. , A transverse stretching machine 112b, a winder 114, a casting die 116, an extruder 118, and a control unit 160.
  • the resin is melted at 200 to 300 ° C. in the extruder 150, the melt of the resin is filtered by a leaf disk type filter 152, and in the static mixer 154, the resin in the resin at the tube wall and the tube center.
  • the resin components are made uniform. Thereby, a thermoplastic resin melt is generated, and the thermoplastic resin melt is sent from the extruder 118 to the casting die 116.
  • the required additive which concerns on this embodiment is previously mixed with resin before putting into the extruder 150.
  • the casting die 116 is close to and faces the outer peripheral surface of the cast roll 102 (hereinafter referred to as the CR outer peripheral surface 126).
  • the cast roll 102 rotates and the CR outer peripheral surface 126 travels in the vicinity of the casting die 116.
  • the liquid (thermoplastic resin melt) in which the thermoplastic resin is melted is supplied from the extruder 118 to the casting die 116, so that the thermoplastic resin melt is transferred from the casting die 116 to the CR outer peripheral surface 126.
  • a cast film F C (molten resin) of the thermoplastic resin melt is formed by being cast and narrowed by the roll outer surface (hereinafter referred to as TR outer peripheral surface 124) of the touch roll 104 and the CR outer peripheral surface 126. Is done.
  • Sema ⁇ position P A, of the TR outer peripheral surface 124 is a position where the thermoplastic resin melt which is cast by the casting die 116 is pressurized narrow at a cast roll 102 and the touch roll 104, a release position P B is the position where the casting film F C is peeled off from the CR outer peripheral surface 126.
  • Casting film F C is cooled and solidified in CR outer peripheral surface 126, it is peeled off from the CR outer peripheral surface 126.
  • Casting film F C peeled from CR outer peripheral surface 126 is subjected to pass to the second cooling roller 106 and the third cooling roller 108 traveling along the traveling path which meanders in a zigzag, longitudinal stretching through the longitudinal stretching pre-heating roll 18 It is led to the machine 112a, where it is stretched in the longitudinal direction (longitudinal direction).
  • casting film F C and where it is stretched in the transverse direction (width direction) is wound by a winder 114.
  • a roll of the film F OP is produced.
  • the control unit 160 includes a hardware configuration such as a storage unit and a CPU, and implements various functions by executing a program in the storage unit on the CPU or the like, for example. Specifically, the control unit 160 controls the operation timing of each component including the extruder 118 and the cast roll 102. Accordingly, the timing of each operation including the supply of the thermoplastic resin melt from the extruder 118 to the casting die 116 and the rotation of the cast roll 102 (CR outer peripheral surface 126) and the touch roll 104 (TR outer peripheral surface 124) is appropriately determined. Be controlled.
  • the roughness can be adjusted by changing the abrasive in the final polishing of each surface of the TR outer peripheral surface 124 and the CR outer peripheral surface 126 according to the target roughness.
  • the means for adjusting the elasticity the TR outer peripheral surface 124 and the CR outer peripheral surface 126 are adjusted by the material and surface processing method, or the TR outer peripheral surface 124 and the CR outer peripheral surface 126 are constituted by thin metal outer cylinder rolls. If it is, adjustment can be performed by the thickness of the outer cylinder.
  • the temperature adjusting means for the TR outer peripheral surface 124 and the CR outer peripheral surface 126 is adjusted by a temperature adjusting device including a heater or the like.
  • the manufacturing conditions according to the present embodiment are classified into the following four categories. That is, (Condition 1), the roughness of the TR outer peripheral surface 124 in Sema ⁇ position P A (Ry TR), the roughness of the CR outer peripheral surface 126 (Ry CR), and, the TR roughness Ry TR for CR roughness Ry CR A condition using the ratio (Ry TR / Ry CR ); (Condition 2), the elastic of the CR outer peripheral surface 126 in Sema ⁇ position P A (E CR) 1 and elasticity of the TR outer peripheral surface 124 when the representation ratio (E TR) (E TR / E CR) As a condition using (Condition 3), the conditions used a temperature difference between the temperature (T TR) and the temperature of the CR outer peripheral surface 126 (T CR) of TR outer peripheral surface 124 in Sema ⁇ position P A of (T CR -T TR); (Condition 4) is a condition using the film forming speed.
  • case study A as shown in Table 1 below, (Condition 1) and (Condition 2) were changed.
  • (Condition 3) and (Condition 4) were performed in a constant manner in any of Examples 1A to 4A and Comparative Examples 1A to 6A in Table 1 below.
  • the temperature (T TR ) of the TR outer peripheral surface 124 is 70 ° C.
  • the temperature (T CR ) of the CR outer peripheral surface 126 is 120 ° C.
  • the temperature difference (T CR ⁇ T TR ) is The test was carried out at a constant temperature of 50 ° C., and at a film forming speed of (Condition 4) of 10 m / min.
  • Example and Comparative Example in Case Study (Experiment) B> The produced film F OP in the following case studies B, referred to as Example 1B ⁇ 6B and Comparative Examples 1B ⁇ 6B.
  • Case Study B (Condition 4) and (Condition 3) were changed as shown in Table 3 below.
  • the film forming speed under condition 4 was 20 m / min (high-speed film formation) in each production of Examples 1B to 3B and Comparative Examples 1B to 3B, and 10 m / min in each production of Examples 4B to 6B and Comparative Examples 4B to 6B. It was minutes.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
PCT/JP2012/070812 2011-09-15 2012-08-16 フィルムの製造方法 WO2013038866A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013533578A JP5971253B2 (ja) 2011-09-15 2012-08-16 フィルムの製造方法
KR1020147006320A KR102014559B1 (ko) 2011-09-15 2012-08-16 필름의 제조 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011201357 2011-09-15
JP2011-201357 2011-09-15

Publications (1)

Publication Number Publication Date
WO2013038866A1 true WO2013038866A1 (ja) 2013-03-21

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Family Applications (1)

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PCT/JP2012/070812 WO2013038866A1 (ja) 2011-09-15 2012-08-16 フィルムの製造方法

Country Status (3)

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JP (1) JP5971253B2 (ko)
KR (1) KR102014559B1 (ko)
WO (1) WO2013038866A1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018167456A (ja) * 2017-03-29 2018-11-01 株式会社カネカ フィルムの製造方法
US11638958B2 (en) 2014-03-11 2023-05-02 Tekna Plasma Systems Inc. Process and apparatus for producing powder particles by atomization of a feed material in the form of an elongated member

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004017305A (ja) * 2002-06-12 2004-01-22 Tootsuya:Kk フィルム転写方式による表面加工方法及びフィルム転写表面加工印刷物
JP2004330651A (ja) * 2003-05-08 2004-11-25 Sekisui Chem Co Ltd 光学フィルムの製造方法
JP2010234747A (ja) * 2009-03-31 2010-10-21 Fujifilm Corp フィルムとその製造方法、液晶表示板用光学補償フィルム、偏光板および液晶表示装置
JP2011173415A (ja) * 2010-01-26 2011-09-08 Sumitomo Chemical Co Ltd 表面保護フィルムの製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69731321T2 (de) 1996-02-09 2005-10-20 Modern Machinery Co., Ltd., Yokohama Dünnfolienformungswalze, Folienformungsmaschine und Folienformungsverfahren
JP3194904B2 (ja) 1998-02-24 2001-08-06 日立造船株式会社 シート・フィルムの成形用ロール装置
JP2002036332A (ja) 2000-07-24 2002-02-05 Toshiba Mach Co Ltd 薄物フィルム・シート製造用成形ロール
US20090185112A1 (en) * 2006-05-31 2009-07-23 Konica Minolta Opto, Inc. Polarizing plate protective film and method for manufacturing the same, polarizing plate and method for manufacturing the same, and liquid crystal display device
KR20100071078A (ko) * 2007-09-21 2010-06-28 스미또모 가가꾸 가부시키가이샤 열 가소성 수지제 광학 필름의 제조 방법
JP2010076279A (ja) * 2008-09-26 2010-04-08 Konica Minolta Opto Inc 光学フィルムの製造方法、光学フィルム、偏光板および液晶表示装置
WO2010044313A1 (ja) * 2008-10-18 2010-04-22 コニカミノルタオプト株式会社 光学フィルム、その製造方法、それを用いた偏光板及び液晶表示装置
JP2011143717A (ja) * 2009-12-18 2011-07-28 Sumitomo Chemical Co Ltd ポリプロピレン系樹脂製シートの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004017305A (ja) * 2002-06-12 2004-01-22 Tootsuya:Kk フィルム転写方式による表面加工方法及びフィルム転写表面加工印刷物
JP2004330651A (ja) * 2003-05-08 2004-11-25 Sekisui Chem Co Ltd 光学フィルムの製造方法
JP2010234747A (ja) * 2009-03-31 2010-10-21 Fujifilm Corp フィルムとその製造方法、液晶表示板用光学補償フィルム、偏光板および液晶表示装置
JP2011173415A (ja) * 2010-01-26 2011-09-08 Sumitomo Chemical Co Ltd 表面保護フィルムの製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11638958B2 (en) 2014-03-11 2023-05-02 Tekna Plasma Systems Inc. Process and apparatus for producing powder particles by atomization of a feed material in the form of an elongated member
US11951549B2 (en) 2014-03-11 2024-04-09 Tekna Plasma Systems Inc. Process and apparatus for producing powder particles by atomization of a feed material in the form of an elongated member
JP2018167456A (ja) * 2017-03-29 2018-11-01 株式会社カネカ フィルムの製造方法

Also Published As

Publication number Publication date
KR102014559B1 (ko) 2019-08-26
KR20140063680A (ko) 2014-05-27
JPWO2013038866A1 (ja) 2015-03-26
JP5971253B2 (ja) 2016-08-17

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