WO2012057042A1 - 樹脂製容器の表面改質方法および樹脂製容器の表面改質装置 - Google Patents

樹脂製容器の表面改質方法および樹脂製容器の表面改質装置 Download PDF

Info

Publication number
WO2012057042A1
WO2012057042A1 PCT/JP2011/074357 JP2011074357W WO2012057042A1 WO 2012057042 A1 WO2012057042 A1 WO 2012057042A1 JP 2011074357 W JP2011074357 W JP 2011074357W WO 2012057042 A1 WO2012057042 A1 WO 2012057042A1
Authority
WO
WIPO (PCT)
Prior art keywords
resin container
surface modification
electron beam
wheel
plasma
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2011/074357
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
俊也 小林
時夫 高橋
西納　幸伸
正己 林
富久雄 西
山本　幸宏
▲たく▼也 大西
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suntory Holdings Ltd
Original Assignee
Suntory Holdings Ltd
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 Suntory Holdings Ltd filed Critical Suntory Holdings Ltd
Priority to CN201180052203.XA priority Critical patent/CN103209900B/zh
Publication of WO2012057042A1 publication Critical patent/WO2012057042A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/123—Treatment by wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
    • B65B55/08—Sterilising wrappers or receptacles prior to, or during, packaging by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/24—Cleaning of, or removing dust from, containers, wrappers, or packaging ; Preventing of fouling

Definitions

  • the present invention relates to a surface modification method for a resin container and a surface modification apparatus for a resin container in which the inner and outer surfaces of the mouth of the resin container are surface-modified so as to enhance the hydrophilicity by surface modification means.
  • a container-side electrode having a space for accommodating a container and serving also as a vacuum chamber, a mouth-side electrode disposed above the container opening in an insulated state from the container-side electrode, and a container A configuration including an internal gas supply means and an external gas supply means for supplying gas to the inside and the outside, and a high frequency supply means for supplying a high frequency to the container side electrode is described.
  • JP 2005-105294 A JP 2005-105294 A
  • a container is accommodated in a vacuum chamber, the inside of the container is replaced with a source gas, and the inside of the chamber is replaced with a discharge gas, and then a high frequency is applied to the container side electrode. Since the surface of the container is modified by supplying and generating plasma, it is applied to an apparatus configured to irradiate an electron beam to a container being conveyed by a conveying means such as an electron beam sterilizer. There was a problem that could not be done.
  • a surface modification method for a resin container according to a first aspect of the present invention is made in order to solve the above-mentioned problem.
  • Surface modification for improving hydrophilicity by means of surface modification means on the inner and outer surfaces of the mouth of the resin container is characterized by performing.
  • the second invention is characterized in that, in the invention described in claim 1, the surface modifying means irradiates plasma.
  • a third invention is the invention according to claim 1 or 2, wherein the resin container is a resin container sterilized by electron beam irradiation, before irradiation with an electron beam or irradiation. Then, surface modification is performed by the surface modification means.
  • a surface modification device for a resin container is a surface modification device that performs surface modification that improves hydrophilicity on the inner and outer surfaces of the mouth of the resin container to be transported and a transport means for transporting the resin container. It is characterized by comprising quality means.
  • a fifth invention is characterized in that, in the invention according to claim 4, the surface modifying means is a plasma irradiation apparatus.
  • the electron beam according to the fourth or fifth aspect wherein the surface modification unit sterilizes the resin container transported by the transport unit by irradiating the electron beam. It is provided upstream or downstream of the irradiation means.
  • the surface modification method and the surface modification device for the resin container of the present invention improve the hydrophilicity by modifying the surface of the resin container by a surface modification means such as a plasma injection device on the resin container, Electric charges easily flow at the mouth of the resin container, and local static electricity can be suppressed.
  • FIG. 1 is a plan view showing a simplified arrangement of the entire electron beam sterilizer.
  • Example 1 is a view showing a state in which plasma is injected into the container by a plasma injection device provided on the supply wheel.
  • the resin container is transported by transport means and sent to the front surface of the electron beam irradiation device, and is sterilized by being irradiated with an electron beam from the electron beam irradiation device.
  • surface modification means for modifying the surface of the resin container such as plasma injection means is disposed, and the resin container is subjected to this surface modification. Since the inner and outer surfaces of the mouth are modified by the means and the hydrophilicity is improved, the object of suppressing the generation of local static electricity is achieved.
  • FIG. 1 shows, as an example, a sterilizing and filling apparatus that sterilizes a container and then fills and capping a liquid (indicated by reference numeral 1 as a whole).
  • the right side is a sterilization zone S provided with a zone F for filling and capping (hereinafter referred to as a filling zone).
  • the sterilization zone S is a lead wall 4 that shields the electron beam and X-rays (braking X-rays) from leaking outside when the resin container 2 (see FIG. 2) is sterilized by irradiating with an electron beam. Is housed in a sterilization chamber 6 surrounded by.
  • a supply wheel 8 disposed on the inlet side and a sterilization wheel 10 that rotates and conveys the container 2 delivered from the supply wheel 8 are provided.
  • the resin container 2 passes through the front side of the electron beam irradiation device 12 and is irradiated with an electron beam while being supported and transported by a bottle support means (not shown) provided on the sterilization wheel 10. And sterilized.
  • the resin container 2 that has been irradiated with the electron beam is delivered to the discharge wheel 14 disposed on the downstream side of the sterilization chamber 6 and sent to the next filling zone F.
  • the container 2 sterilized in the sterilization zone S and filled with contents such as liquid in the filling zone F on the downstream side thereof is a resin container 2 such as a PET bottle.
  • the resin container 2 includes a cylindrical mouth 2a at the top.
  • a flange 2b is formed near the lower portion of the mouth portion 2a, and the upper or lower portion of the flange 2b is gripped by a gripper, or the lower surface side of the flange 2b is supported on the bottle support means of the sterilization wheel 10 or other support means. It is supported by and transported in a suspended state.
  • the resin container 2 is continuously transported by an air transport conveyor 16 and separated at a predetermined interval by an infeed screw or the like (not shown), and then delivered to a supply wheel 8 disposed on the inlet side of the sterilization chamber 6. It is.
  • the supply wheel 8 is provided with a plurality of grippers 18 at equal intervals in the circumferential direction, and each gripper 18 grips and conveys the upper side of the flange 2 b of the resin container 2.
  • the resin container 2 held and rotated by the gripper 18 of the supply wheel 8 is delivered to the next sterilization wheel 10.
  • a plasma injection device 20 is installed on the inlet side of the supply wheel 8. The plasma injection device 20 will be described later.
  • the sterilization wheel 10 is provided with a plurality of bottle support means at equal intervals in the circumferential direction, and each bottle support means supports and conveys the lower surface side of the flange 2b of the resin container 2.
  • the supply wheel 8 and the sterilization wheel 10 rotate synchronously, and at the supply position A, the resin container 2 is delivered from each gripper 18 of the supply wheel 8 to each bottle support means of the sterilization wheel 10.
  • the resin container 2 supported and supported by each bottle support means of the sterilization wheel 10 passes through the front of the electron beam irradiation device 12, and in the meantime, the entire electron beam irradiation device 12 extends over the entire length in the vertical direction. It is sterilized by being irradiated with an electron beam.
  • the sterilized resin container 2 is delivered to the discharge wheel 14 on the downstream side.
  • the discharge wheel 14 is provided with a plurality of grippers 22 on the outer peripheral portion at equal intervals in the circumferential direction. These grippers 22 are flanges 2b of the resin container 2 supported by the bottle support means of the sterilization wheel 10. Grab the upper part and receive.
  • the discharge wheel 14 also rotates synchronously with the sterilization wheel 10, and the resin container 2 is delivered from the bottle support means of the sterilization wheel 10 to each gripper 22 of the discharge wheel 14 at the discharge position B.
  • the resin container 2 held by the gripper 22 of the discharge wheel 14 is a container of the receiving wheel 26 arranged on the inlet side of the next chamber (chamber 24 of the filling zone F) provided adjacent to the sterilization chamber 6. It is delivered to a support means (not shown) and sent to the next step.
  • An opening 4a is formed on one wall surface (upper wall surface in FIG. 1) of the sterilization chamber 6, and an electron beam irradiation device 12 is attached to the opening 4a.
  • the electron beam irradiation apparatus 12 includes a vacuum chamber (acceleration chamber) for irradiating the resin container 2 with an electron beam, and as is well known, the filament is heated in a vacuum in the vacuum chamber. After generating thermal electrons and accelerating the electrons with a high voltage to form a high-speed electron beam, it is taken out into the atmosphere through a window foil made of metal such as Ti attached to the irradiation window 12a (this object to be processed) In the embodiment, the resin container 2) is irradiated with an electron beam and sterilized.
  • the resin container 2 supported and transported by the bottle support means of the sterilization wheel 10 is sterilized by being irradiated with an electron beam from the electron beam irradiation device 12 and then delivered to the gripper 22 of the discharge wheel 14. It is rotated and conveyed.
  • a chamber 24 in the filling zone F is disposed adjacent to the sterilization chamber 6 in the sterilization zone S, and the resin container 2 rotated and conveyed by the discharge wheel 14 in the sterilization zone S is disposed in the chamber 24 in the filling zone F. It is delivered to a receiving wheel 26 arranged on the inlet side.
  • the resin container 2 delivered to the receiving wheel 26 is rotated and supplied to the next filler 28.
  • the filler 28 that has received the resin container 2 from the receiving wheel 26 fills the contents such as a liquid while holding the resin container 2 and rotating and transporting it.
  • the resin container 2 that has been filled in the filler 28 is taken out by an intermediate wheel 30 that also serves as a discharge wheel of the filler 28 and a supply wheel of the next capper, and is supplied to the capper 32.
  • the resin container 2 capped in the capper 32 is taken out by the discharge wheel 34 from the capper 32, discharged by the discharge conveyor 36, and sent to the next step.
  • Three plasma injection devices 20 (20A, 20B, 20C) are provided near the entrance of the supply wheel 8 (see FIG. 2).
  • a plurality of grippers 18 are provided on the outer peripheral portion of the supply wheel 8 at equal intervals in the circumferential direction, and each gripper 18 grips and conveys the upper side of the flange 2 b of the resin container 2.
  • the second and third plasma injection devices 20B and 20C are installed respectively.
  • the second and third plasma injection devices 20B and 20C are arranged to inject plasma to the outer surface side of the mouth portion 2a of the resin container 2.
  • the resin container 2 conveyed by the supply wheel 8 is spread over the entire inner surface of the mouth 2a and the outer surface of the mouth 2b of the resin container 2 by these three plasma sprayers 20A, 20B, 20C.
  • Plasma is irradiated.
  • the plasma injection apparatus 20 (20A, 20B, 20C) generates a plasma discharge in the atmosphere using a high-voltage arc plasma discharge and air.
  • the surface is modified to improve the hydrophilicity.
  • the operation of the sterilizing and filling apparatus 1 will be described.
  • the resin container 2 to be sterilized by the electron beam sterilization device provided in the sterilization zone S on the upstream side of the sterilization filling device 1 is conveyed by the air conveyance conveyor 16 and pitch-cut at predetermined intervals, and then lead It is carried into a sterilization chamber 6 surrounded by a wall 4 made of metal.
  • the supply wheel 8 disposed on the inlet side of the sterilization chamber 6 is provided with a plurality of grippers 18 at equal intervals in the circumferential direction, near the lower portion of the cylindrical mouth portion 2a of the resin container 2 carried in from the outside.
  • the upper side of the formed flange 2b is gripped.
  • the resin container 2 held by the gripper 18 is rotated and conveyed by the rotation of the supply wheel 8.
  • Plasma injection devices 20 (20A, 20B, 20C) are provided above the inlet portion of the supply wheel 8, and these plasma injection devices are provided on the inner and outer surfaces of the mouth portion 2a of the resin container 2 held by the gripper 18. Plasma discharge electrons are irradiated from 20A, 20B, and 20C. In the mouth portion 2a of the resin container 2, the entire inner and outer surfaces are improved in hydrophilicity by the plasma irradiation, and the charge flows more easily than in the case where the plasma is not irradiated.
  • the resin container 2 irradiated with plasma is transferred from the gripper 18 of the supply wheel 8 to a bottle support means (not shown) provided on the sterilization wheel 10 at a supply position A to the sterilization wheel 10.
  • the resin container 2 supported by the bottle support means is rotated and conveyed in the direction of arrow R in FIG. 1 and reaches the front side of the electron beam irradiation device 12.
  • the resin container 2 supported by the bottle support means is sterilized by being irradiated with an electron beam while moving in front of the irradiation window 12a of the electron beam irradiation device 16.
  • the resin container 2 sterilized by being irradiated with an electron beam while passing through the front side of the electron beam irradiation device 12 is supported by the bottle support means of the sterilization wheel 10 and is rotated and conveyed to the next discharge wheel 14. Delivered.
  • the resin container 2 supported on the lower side of the flange 2b by the bottle support means is delivered to the gripper 22 provided on the discharge wheel 14 at the discharge position B and is gripped on the upper side of the flange 2b.
  • the resin container 2 held and gripped by the gripper 22 of the discharge wheel 14 is transferred to a receiving wheel 26 disposed on the inlet side of the next chamber (chamber 24 in the filling zone F).
  • the resin container 2 held on the receiving wheel 26 is supplied to the next filler 28.
  • the liquid is filled inside while being rotated and conveyed in the filler 28.
  • the resin container 2 filled with the liquid is sent to the capper 32 through the intermediate wheel 30, and after capping is performed, the resin container 2 is taken out to the discharge wheel 34 and discharged onto the discharge conveyor 36. It is sent to the next process.
  • the resin container 2 sterilized by the apparatus of this embodiment and capped after being filled with liquid has the following effects.
  • the plasma is irradiated, the surface of the material of the resin container 2 is modified and the hydrophilicity is improved.
  • the hydrophilicity is improved, the electric charge easily flows and the generation of local static electricity is suppressed.
  • the inner and outer surfaces of the mouth which have been improved in hydrophilicity by surface modification, have higher resistance and less charge flow than liquid, so the speed of the flowing charge is slower than when flowing through the liquid, and the influence of the charge Can reduce irritation.
  • the plasma injection device 20 is arranged on the transport path of the resin container 2 by the supply wheel 8 and plasma is injected before the electron beam irradiation device 12 irradiates the resin container 2 with the electron beam.
  • the present invention is not necessarily limited to the one that injects plasma before the electron beam irradiation.
  • the plasma injection device is disposed in the conveyance path of the discharge wheel 14 and the intermediate wheel 30 arranged on the upstream side of the capper 32.
  • the surface modification of the resin container 2 was performed by spraying plasma, but the means for surface modification is not limited to plasma spraying, and other methods such as corona discharge and electron beam Surface modification can also be performed by irradiation or the like.
  • it is not limited to resin containers sterilized by electron beam irradiation, but is made of resin containers such as Teflon (registered trademark), vinyl chloride, polyethylene, etc. It is also possible to apply to surface modification of resin containers of various materials and shapes such as containers.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
PCT/JP2011/074357 2010-10-27 2011-10-21 樹脂製容器の表面改質方法および樹脂製容器の表面改質装置 Ceased WO2012057042A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201180052203.XA CN103209900B (zh) 2010-10-27 2011-10-21 树脂制容器的表面改性方法及树脂制容器的表面改性装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-241176 2010-10-27
JP2010241176A JP5603201B2 (ja) 2010-10-27 2010-10-27 樹脂製容器の表面改質方法および樹脂製容器の表面改質装置

Publications (1)

Publication Number Publication Date
WO2012057042A1 true WO2012057042A1 (ja) 2012-05-03

Family

ID=45993752

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/074357 Ceased WO2012057042A1 (ja) 2010-10-27 2011-10-21 樹脂製容器の表面改質方法および樹脂製容器の表面改質装置

Country Status (3)

Country Link
JP (1) JP5603201B2 (enExample)
CN (1) CN103209900B (enExample)
WO (1) WO2012057042A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10259922B2 (en) * 2013-11-06 2019-04-16 The Board Of Trustees Of The Leland Stanford Junior University Methods for modifying a hydrophobic polymer surface and devices thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3118129B1 (en) * 2014-03-14 2021-05-19 Dai Nippon Printing Co., Ltd. Method and apparatus for the sterilisation of containers
EP3199462B1 (en) * 2014-09-25 2022-05-04 Dai Nippon Printing Co., Ltd. Method for sterilizing preform and resin container
JP6940754B2 (ja) * 2017-06-15 2021-09-29 澁谷工業株式会社 樹脂製容器の表面処理装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05338639A (ja) * 1992-06-01 1993-12-21 Kuwabara Yasunaga 密封包装容器の着臭防止法
JPH09302118A (ja) * 1996-03-15 1997-11-25 Sekisui Chem Co Ltd 放電プラズマを利用した基材の表面処理方法
JP2002068202A (ja) * 2000-08-29 2002-03-08 Toyo Seikan Kaisha Ltd 紫外線遮断性ボトル

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1732091B1 (en) * 1997-11-18 2009-10-07 Panasonic Corporation Layered product, capacitor and a method for producing the layered product
BR0304820A (pt) * 2002-04-11 2004-06-15 Mitsubishi Shoji Plastics Corp Mecanismo de formação de pelìcula de cvd de plasma e método para a fabricação de um recipiente de plástico revestido por uma pelìcula de cvd
JP4149748B2 (ja) * 2002-06-24 2008-09-17 三菱商事プラスチック株式会社 ロータリー型量産用ｃｖｄ成膜装置及びプラスチック容器内表面へのｃｖｄ膜成膜方法
JP2005105294A (ja) * 2003-09-26 2005-04-21 Mitsubishi Shoji Plast Kk Ｃｖｄ成膜装置及びｃｖｄ膜コーティングプラスチック容器の製造方法
ITMO20040111A1 (it) * 2004-05-07 2004-08-07 Sig Simonazzi Spa Apparati e metodi per sterilizzare e riempire componenti di unita' di confezionamento,particolarmente bottiglie e-o tappi.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05338639A (ja) * 1992-06-01 1993-12-21 Kuwabara Yasunaga 密封包装容器の着臭防止法
JPH09302118A (ja) * 1996-03-15 1997-11-25 Sekisui Chem Co Ltd 放電プラズマを利用した基材の表面処理方法
JP2002068202A (ja) * 2000-08-29 2002-03-08 Toyo Seikan Kaisha Ltd 紫外線遮断性ボトル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10259922B2 (en) * 2013-11-06 2019-04-16 The Board Of Trustees Of The Leland Stanford Junior University Methods for modifying a hydrophobic polymer surface and devices thereof

Also Published As

Publication number Publication date
JP2012091833A (ja) 2012-05-17
CN103209900B (zh) 2015-12-09
JP5603201B2 (ja) 2014-10-08
CN103209900A (zh) 2013-07-17

Similar Documents

Publication Publication Date Title
JP5336949B2 (ja) 樹脂製容器の帯電除去方法、樹脂製容器の殺菌充填方法、樹脂製容器の充填キャッピング方法、樹脂製容器の帯電除去装置および樹脂製容器の殺菌充填システム
JP5091264B2 (ja) 電子線容器殺菌装置および電子線容器殺菌方法
JP6322211B2 (ja) 電子ビームにより包装容器を殺菌するためのデバイスおよび方法
JP5603201B2 (ja) 樹脂製容器の表面改質方法および樹脂製容器の表面改質装置
JP4365835B2 (ja) 開口容器用電子線照射装置
CN103028126B (zh) 利用引入容器的电荷载子源为容器杀菌的设备和方法
JP6310768B2 (ja) 容器殺菌装置
JP5393612B2 (ja) 樹脂製容器の帯電除去方法および帯電除去装置
JP5496842B2 (ja) 電子線殺菌方法および電子線殺菌装置
JP5755133B2 (ja) 電子線殺菌装置
JP6294582B2 (ja) プラスチック材料製の容器を電子放射線によって殺菌する装置および方法
JP5970856B2 (ja) 電子線照射装置
JP6940754B2 (ja) 樹脂製容器の表面処理装置
JP5818501B2 (ja) 除電装置
JP2008237380A (ja) 電子線殺菌装置
JP2021095178A (ja) 電子線殺菌装置および方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11836176

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11836176

Country of ref document: EP

Kind code of ref document: A1