WO2015156184A1 - フィルムロール - Google Patents

フィルムロール Download PDF

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Publication number
WO2015156184A1
WO2015156184A1 PCT/JP2015/060334 JP2015060334W WO2015156184A1 WO 2015156184 A1 WO2015156184 A1 WO 2015156184A1 JP 2015060334 W JP2015060334 W JP 2015060334W WO 2015156184 A1 WO2015156184 A1 WO 2015156184A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
core
film roll
absorbing member
wall
Prior art date
Application number
PCT/JP2015/060334
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
雄太 樋口
弘樹 宮本
Original Assignee
株式会社クラレ
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 株式会社クラレ filed Critical 株式会社クラレ
Priority to CN201580017562.XA priority Critical patent/CN106458500A/zh
Priority to JP2016512684A priority patent/JPWO2015156184A1/ja
Priority to KR1020167024620A priority patent/KR102457311B1/ko
Publication of WO2015156184A1 publication Critical patent/WO2015156184A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/10—Kinds or types of circular or polygonal cross-section without flanges, e.g. cop tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/175—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/51—Cores or reels characterised by the material
    • B65H2701/511—Cores or reels characterised by the material essentially made of sheet material
    • B65H2701/5112—Paper or plastic sheet material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/51—Cores or reels characterised by the material
    • B65H2701/511—Cores or reels characterised by the material essentially made of sheet material
    • B65H2701/5114—Metal sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/51—Cores or reels characterised by the material
    • B65H2701/512—Cores or reels characterised by the material moulded
    • B65H2701/5122—Plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/51—Cores or reels characterised by the material
    • B65H2701/512—Cores or reels characterised by the material moulded
    • B65H2701/5124—Metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/52—Integration of elements inside the core or reel

Definitions

  • the present invention relates to a film roll in which a film is wound around a cylindrical core.
  • a plastic film such as a polyvinyl alcohol film (hereinafter, “polyvinyl alcohol” may be abbreviated as “PVA”), which is a raw material for a polarizing film, is usually in the form of a film roll formed by winding it around a cylindrical core.
  • PVA film which is a raw material for polarizing films for liquid crystal displays
  • the size of liquid crystal displays increases, wider PVA films are required, and in order to improve workability and productivity of polarizing films, Long PVA films are also desired.
  • condensation may occur on the inner wall of the cylindrical core.
  • condensation since the weight of the film roll has increased recently as described above, condensation has become more likely to occur due to the increase in the heat capacity of the film roll and the accompanying decrease in the temperature change rate of the entire film roll. Yes.
  • metal cores and carbon fiber reinforced plastic cores have come to be used with the increase in film roll weight, but metal and plastic cores are made of paper cores, etc. Condensation is likely to occur.
  • Patent Document 1 a method of specifying a film roll packaging form is known (see Patent Document 1).
  • an object of the present invention is to provide a film roll that is hardly affected by condensation even when condensation occurs on the inner wall of a cylindrical core.
  • the present inventors have attached a water absorbing member to the inner wall of the cylindrical core, so that even when condensation occurs on the inner wall of the core, The present inventors have found that the film roll is not easily affected, and further studied based on the findings, thereby completing the present invention.
  • the present invention [1] A film roll in which a film is wound around a cylindrical core, the film roll having a water absorbing member on the inner wall of the core, [2] The film roll according to [1], having a water absorbing member on the inner wall of both ends of the core, [3] The film roll according to [1] or [2], having a water absorbing member at a lower portion of the inner wall of the core, [4] The film roll according to any one of [1] to [3], wherein the distance from the end of the core to the water absorbing member is 10 cm or more, [5] The film roll according to any one of [1] to [4], wherein the water-absorbing member contains at least one selected from the group consisting of cellulose-based synthetic fibers and polyester-based fibers, [6] The film roll according to any one of [1] to [5], wherein a plurality of water absorbing members are laminated.
  • a film roll that is not easily affected by condensation even when condensation occurs on the inner wall of the cylindrical core.
  • the film roll of the present invention is formed by winding a film around a cylindrical core.
  • a metal thing, a plastic thing, a paper thing, a wooden thing etc. are mentioned.
  • a core in the form of a composite such as one using both metal and plastic, one using both metal and paper, and one using both plastic and paper.
  • a metal and / or plastic core is preferable because it has high strength and the effects of the present invention are more prominent, and is not easily affected by wear or the like even when used repeatedly.
  • the core is more preferable.
  • the proportion of the mass of the metal and plastic with respect to the total mass of the cylindrical core is preferably 50% by mass or more, more preferably 80% by mass or more, and further preferably 95% by mass or more.
  • the amount is preferably 100% by mass.
  • Examples of the metal include iron, stainless steel, and aluminum. One of these may be used alone, or two or more may be used in combination. Among these, aluminum is preferable from the viewpoint of strength, lightness, price, and the like.
  • plastic examples include polyvinyl chloride, polyvinylidene chloride, polyester, polycarbonate, polyamide, epoxy resin, polyurethane, polyurea, and silicone resin. One of these is used alone. Moreover, you may use 2 or more types together. Of these, polyvinyl chloride is preferred.
  • the plastic is also preferably a fiber reinforced plastic (FRP) such as a carbon fiber reinforced plastic from the viewpoint of strength and the like.
  • FRP fiber reinforced plastic
  • the cylindrical core has at least a part of its inner peripheral surface (preferably 50% or more of the area of the inner peripheral surface, more preferably the area of the inner peripheral surface because the effects of the present invention are more remarkably exhibited. 80% or more) is preferably a metal and / or plastic, more preferably the entire inner peripheral surface is a metal and / or plastic, and the entire surface of the cylindrical core is a metal. More preferably, it is plastic.
  • the axial length of the cylindrical core can be appropriately selected according to the width of the film wound on the cylindrical core.
  • the length of the cylindrical core is 2 because the effect of the present invention is more remarkable.
  • the said length is 8.5 m or less, for example.
  • the diameter of the cylindrical core is not particularly limited, but the outer diameter is preferably in the range of 50 to 800 mm, more preferably in the range of 80 to 500 mm, from the viewpoint of strength, handleability, and the like. A range of 100 to 300 mm is more preferable, and a range of 150 to 250 mm is particularly preferable.
  • the thickness of the cylindrical core is preferably in the range of 2 to 50 mm, more preferably in the range of 3 to 20 mm, and more preferably in the range of 4 to 10 mm from the viewpoints of strength, handleability, and the like. More preferably, it is within.
  • the film There is no particular limitation on the type of the above film, for example, polyethylene film, polypropylene film, polymethylpentene film, alicyclic olefin polymer film, polystyrene film, polycarbonate film, polyvinyl chloride film, methacrylic resin film, polyamide film, A polyethylene terephthalate film, a PVA film, etc. are mentioned, and since the quality fall by moisture absorption is large especially and the effect of this invention is show
  • PVA which comprises a PVA film
  • PVA which comprises a PVA film
  • vinyl ester monomers include vinyl formate, vinyl acetate, vinyl propionate, vinyl valerate, vinyl laurate, vinyl stearate, vinyl benzoate, vinyl pivalate, vinyl versatate, and the like.
  • vinyl acetate is preferable.
  • the degree of polymerization of PVA constituting the PVA film is preferably in the range of 500 to 9,000, more preferably in the range of 1,500 to 7,000, although it depends on the use of the PVA film. Preferably, it is in the range of 1,800 to 5,000, more preferably in the range of 2,000 to 3,000.
  • the polymerization degree of PVA as used in this specification means the average degree of polymerization measured according to description of JIS K6726-1994.
  • the saponification degree of PVA which comprises a PVA film is based also on the use of a PVA film, it is preferable that it is 75 mol% or more, it is more preferable that it is 85 mol% or more, and it is 95 mol% or more. More preferably, it is 99 mol% or more.
  • the degree of saponification of PVA refers to the total number of moles of structural units (typically vinyl ester units) that can be converted into vinyl alcohol units by saponification and the vinyl alcohol units of PVA. The proportion (mol%) occupied by the number of moles of vinyl alcohol units.
  • the degree of saponification can be measured according to the description of JIS K6726-1994.
  • the PVA film may contain a plasticizer, a surfactant, a dichroic dye, or the like as necessary.
  • a plasticizer such as a polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, or the like.
  • the PVA film formed by well-known methods such as a solution film forming method and a melt film forming method, can be used preferably.
  • the thickness of the film is not particularly limited, but is preferably in the range of 5 to 500 ⁇ m, more preferably in the range of 10 to 300 ⁇ m, and still more preferably in the range of 15 to 100 ⁇ m.
  • the width of the film is not particularly limited, but is preferably 2.1 m or more, more preferably 2.3 m or more, further preferably 2.6 m or more, and particularly preferably 3 m or more. Most preferably, it is 3.3 m or more. In the case of using a film having such a width, a large amount of water derived from condensation is likely to be generated, but in the present invention, since it is difficult to be affected by condensation, a film having the above width is used. When used, the effects of the present invention are more remarkably exhibited. On the other hand, if the width of the film is too wide, the handleability may be lowered. Therefore, the width of the film is preferably 8 m or less.
  • the length of the film wound around the cylindrical core is not particularly limited, but is preferably 2,000 m or more, more preferably 4,000 m or more, and further preferably 7,000 m or more, It is particularly preferable that the distance is 11,000 m or more.
  • the length is less than 2,000 m, it may not be economical because the ratio of the loss generated at the beginning / end of the roll of the film roll becomes large.
  • the upper limit of the length of the film is not particularly limited, but if it is too long, the mass and diameter of the film roll become excessive, and it tends to be difficult to handle when loading and unloading to a gantry or processing device. Therefore, the length of the film is preferably 20,000 m or less.
  • the mass of the film roll of the present invention is preferably 500 kg or more, more preferably 1,000 kg or more, further preferably 1,800 kg or more, and particularly preferably 3,300 kg or more.
  • the mass of the film roll is preferably 5,000 kg or less.
  • the film roll of the present invention has a water absorbing member on the inner wall of the core.
  • a water absorbing member there is no restriction
  • the distance from the end of the core to the water absorbing member is 10 cm or more from the viewpoint of not disturbing the movement of the film roll. More preferably, it is 15 cm or more.
  • the above distance is preferably 50 cm or less.
  • the water absorbing member may be disposed only on the inner wall of one end portion in the axial direction of the core. It is preferable to have a water absorbing member on the inner walls of both ends.
  • the water absorbing member may be arranged in an annular shape so as to continuously follow the peripheral surface of the inner wall of the core, but from the viewpoint of ease of arrangement and cost reduction, it is disposed only on a part of the peripheral surface of the inner wall of the core. In particular, it is more preferable to dispose a water absorbing member below the inner wall of the core.
  • the material of the water absorbing member there is no particular limitation on the material of the water absorbing member, and any material having water absorption may be used.
  • the material of the water absorbing member include cellulosic synthetic fibers, cellulose natural fibers, and polyester fibers. Among these, it is at least one selected from the group consisting of cellulose-based synthetic fibers and polyester-based fibers because it is difficult for problems such as debris of the water-absorbing member to adhere to the film and the quality of the film to deteriorate. It is preferable that it is a cellulosic synthetic fiber.
  • the water-absorbing member is preferably made of fibers as described above from the viewpoints of low cost and stability over time of the water-absorbing performance, but as a water-absorbing member in cases where higher water-absorbing performance is required, etc. It is also preferable to use a desiccant such as silica gel.
  • a water absorption member Although there is no restriction
  • one sheet may be disposed alone on the inner wall of the core, but it is preferable to stack a plurality of water-absorbing members from the viewpoint of ensuring sufficient water-absorbing capability. .
  • the number of water-absorbing members to be laminated is not particularly limited, but is preferably 2 or more, more preferably 3 or more, further preferably 4 or more, and 10 The following is preferable.
  • the arrangement means when the water absorbing member is arranged on the inner wall of the core includes an adhesive tape, an adhesive, and a magnet.
  • the removal is relatively easy.
  • the water absorbing member is preferably fixed with an adhesive tape.
  • a paper adhesive tape, a cloth adhesive tape, a film adhesive tape, a special adhesive tape etc. are mentioned, Specifically, a cellophane tape, a craft adhesive tape, a cloth adhesive tape, OPP Examples thereof include an adhesive tape, an aluminum tape, a vinyl tape, a polyester tape, a polyethylene tape, a polypropylene tape, a polyimide tape, a gum tape, or a composite tape processed by combining two or more of these.
  • the adhesive tape made of polyethylene or polypropylene is preferable because it is less likely to cause problems such as adhesive tape debris adhering to the film and the quality of the film is lowered, and is excellent in waterproofness. .
  • the film roll of the present invention may be transported or stored as it is, or may be transported or stored in the form of a package packaged with a packaging material.
  • a packaging material such as a polarizing film
  • optical films, such as a polarizing film, according to this invention there is little influence of dew condensation and it can maintain the outstanding film quality. It is preferably used as a raw film.
  • Condensation on the inner wall of the core The appearance of condensation on the inner wall of the core was evaluated according to the following criteria. ⁇ : Condensation is relatively low. ⁇ : Condensation is relatively large.
  • Condensation outflow from the core Condensation outflow from the core was evaluated according to the following criteria. ⁇ : No outflow of condensation from the end of the core is observed. ⁇ : Condensation outflow from the end of the core is observed.
  • Dust confirmed on the inner wall of the core Dust confirmed on the inner wall of the core was evaluated according to the following criteria. ⁇ : Dust cannot be visually confirmed. X: Dust can be confirmed visually.
  • Fixability of water absorbing member The fixing property of the water absorbing member on the inner wall of the core was evaluated according to the following criteria. ⁇ : Fixed and does not move. X: It moves and is unstable.
  • Example 1 A PVA film having a film width of 3.3 m, a thickness of 60 ⁇ m, and a length of 12,500 m (polymerization degree of PVA of 2,450, saponification degree of PVA of 99.3 mol%) made of aluminum, length of 3.5 m, outer diameter It was wound around the center of a cylindrical core with a thickness of 215 mm and a thickness of 6 mm. After that, two sheets of a sheet-like nonwoven fabric made of cellulosic synthetic fibers ("Dust tackle" wiper, manufactured by Kuraray Co., Ltd., 33 cm long x 33 cm wide) are prepared, and a schematic diagram is shown in FIG.
  • Example 2 Example except that two sheets of cellulose natural fibers (wool, length 30 cm x width 30 cm) are used instead of four sheets of nonwoven fabric made of cellulosic synthetic fibers. 1 was used to obtain a film roll. Each evaluation was performed on this film roll in the same manner as in Example 1. The results are shown in Table 1.
  • Example 3 A film roll was obtained in the same manner as in Example 1 except that the length of the PVA film was changed from 12,500 m to 1,000 m. The mass of the film roll was 300 kg. Each evaluation was performed on this film roll in the same manner as in Example 1. The results are shown in Table 1.
  • Example 1 A film roll was obtained in the same manner as in Example 1 except that the non-woven fabric was not used. Each evaluation was performed on this film roll in the same manner as in Example 1. The results are shown in Table 1.
  • Cylindrical core 2. 2. inner wall of the core Water absorbing member, 4. 4. one end of the core; One end of the core.

Landscapes

  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)
PCT/JP2015/060334 2014-04-07 2015-04-01 フィルムロール WO2015156184A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201580017562.XA CN106458500A (zh) 2014-04-07 2015-04-01 膜卷
JP2016512684A JPWO2015156184A1 (ja) 2014-04-07 2015-04-01 フィルムロール
KR1020167024620A KR102457311B1 (ko) 2014-04-07 2015-04-01 필름 롤

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-078371 2014-04-07
JP2014078371 2014-04-07

Publications (1)

Publication Number Publication Date
WO2015156184A1 true WO2015156184A1 (ja) 2015-10-15

Family

ID=54287761

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/060334 WO2015156184A1 (ja) 2014-04-07 2015-04-01 フィルムロール

Country Status (5)

Country Link
JP (3) JPWO2015156184A1 (zh)
KR (1) KR102457311B1 (zh)
CN (2) CN111573426A (zh)
TW (1) TWI737578B (zh)
WO (1) WO2015156184A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220059273A (ko) 2020-11-02 2022-05-10 오대근 필름 권취용 코어유닛
KR102497955B1 (ko) * 2022-09-01 2023-02-10 양재균 두꺼운 두께로 성형이 가능하며 재생이 가능한 폴리카보네이트 기반 권취 코어 및 이의 제조방법

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JPS59156066U (ja) * 1983-04-07 1984-10-19 株式会社　京都紋付 難物とならない呉服用芯木
JPH0618365U (ja) * 1992-08-05 1994-03-08 信越ポリマー株式会社 キャリアテープ用リール
JP2001106438A (ja) * 1999-10-04 2001-04-17 Toyobo Co Ltd ポリエステルフィルムロール及びその梱包体
JP2002096974A (ja) * 2000-09-22 2002-04-02 Oki Electric Ind Co Ltd 搬送用リールとそれを用いた搬送方法、及び電子装置の製造方法
JP2008161301A (ja) * 2006-12-27 2008-07-17 Kao Corp 吸収性シート及びその製造方法
JP2009131417A (ja) * 2007-11-29 2009-06-18 Kao Corp 吸収性物品及びこの製造方法
WO2012147665A1 (ja) * 2011-04-28 2012-11-01 株式会社クラレ ポリビニルアルコール系重合体フィルムの包装体
JP2013100183A (ja) * 2010-12-27 2013-05-23 Hitachi Chemical Co Ltd 乾燥剤収容器及び接着テープ用リール

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JP3056654B2 (ja) * 1994-11-29 2000-06-26 松下電器産業株式会社 電池および電池用外装材
JP3056654U (ja) * 1998-08-10 1999-02-26 ニチゴー・モートン株式会社 フィルムロールの端面保護材
JP5192753B2 (ja) * 2007-03-22 2013-05-08 富士フイルム株式会社 熱可塑性樹脂フィルムの製造方法及び液晶表示板用光学補償フィルム及び偏光板
JPWO2010116996A1 (ja) * 2009-04-08 2012-10-18 日立化成工業株式会社 接着フィルム梱包体及びその製造方法
JP2013227073A (ja) * 2012-03-30 2013-11-07 Kuraray Co Ltd フィルムロールの包装体
KR20130117538A (ko) * 2012-04-18 2013-10-28 에스케이씨 주식회사 폴리비닐알코올계 필름 롤, 이의 제조방법 및 이를 이용한 편광 필름
CN203450589U (zh) * 2013-07-22 2014-02-26 天津中新药业集团旭志医药科技有限公司 一种便携式应急药箱

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59156066U (ja) * 1983-04-07 1984-10-19 株式会社　京都紋付 難物とならない呉服用芯木
JPH0618365U (ja) * 1992-08-05 1994-03-08 信越ポリマー株式会社 キャリアテープ用リール
JP2001106438A (ja) * 1999-10-04 2001-04-17 Toyobo Co Ltd ポリエステルフィルムロール及びその梱包体
JP2002096974A (ja) * 2000-09-22 2002-04-02 Oki Electric Ind Co Ltd 搬送用リールとそれを用いた搬送方法、及び電子装置の製造方法
JP2008161301A (ja) * 2006-12-27 2008-07-17 Kao Corp 吸収性シート及びその製造方法
JP2009131417A (ja) * 2007-11-29 2009-06-18 Kao Corp 吸収性物品及びこの製造方法
JP2013100183A (ja) * 2010-12-27 2013-05-23 Hitachi Chemical Co Ltd 乾燥剤収容器及び接着テープ用リール
WO2012147665A1 (ja) * 2011-04-28 2012-11-01 株式会社クラレ ポリビニルアルコール系重合体フィルムの包装体

Also Published As

Publication number Publication date
KR102457311B1 (ko) 2022-10-20
JPWO2015156184A1 (ja) 2017-04-13
JP2019147692A (ja) 2019-09-05
TWI737578B (zh) 2021-09-01
KR20160141710A (ko) 2016-12-09
CN111573426A (zh) 2020-08-25
JP7015894B2 (ja) 2022-02-03
JP2021011390A (ja) 2021-02-04
CN106458500A (zh) 2017-02-22
TW201542429A (zh) 2015-11-16

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