WO2014115485A1 - Sac d'emballage - Google Patents

Sac d'emballage Download PDF

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Publication number
WO2014115485A1
WO2014115485A1 PCT/JP2013/085241 JP2013085241W WO2014115485A1 WO 2014115485 A1 WO2014115485 A1 WO 2014115485A1 JP 2013085241 W JP2013085241 W JP 2013085241W WO 2014115485 A1 WO2014115485 A1 WO 2014115485A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
maleic anhydride
modified polyolefin
weight
resin
Prior art date
Application number
PCT/JP2013/085241
Other languages
English (en)
Japanese (ja)
Inventor
渕田　泰司
広泰 飯塚
恭平 高橋
Original Assignee
共同印刷株式会社
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 共同印刷株式会社 filed Critical 共同印刷株式会社
Priority to JP2014558479A priority Critical patent/JP6340154B2/ja
Publication of WO2014115485A1 publication Critical patent/WO2014115485A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants

Definitions

  • the present invention relates to a packaging bag in which the sides of two films having different functions are bonded together by heat sealing.
  • the packaging bag of the present invention is a non-adsorbing film having thermal adhesiveness comprising 82% by weight to 90% by weight of an ethylene-vinyl alcohol copolymer and 10% by weight to 18% by weight of a maleic anhydride-modified polyolefin polymer.
  • a functional film including a thermal adhesive layer made of 80 wt% to 20 wt% polyolefin and 20 wt% to 80 wt% maleic anhydride-modified polyolefin polymer, a non-adsorbing film and a functional film The heat adhesive layer is heat sealed and formed into a bag shape.
  • the non-adsorbing film has a structure in which a maleic anhydride-modified polyolefin polymer is dispersed in islands, and the aspect ratio of the acid-modified polyolefin polymer dispersed and distributed in islands is 2.0 to 9. A range of 5 is preferable.
  • the non-adsorbing film is preferably formed from a mixed resin obtained by polymer-alloying an ethylene-vinyl alcohol copolymer and a maleic anhydride-modified polyolefin polymer.
  • the thermal adhesive layer may be a film formed from a mixed resin including a polyolefin resin and a maleic anhydride-modified polyolefin resin.
  • the maleic anhydride-modified polyolefin resin is preferably 80% by weight or less based on the polyolefin resin.
  • the packaging bag of the present invention since the non-adsorptive film and the functional film are heat-sealed, it is difficult for the scent component and the medicinal component contained in the non-package to be adsorbed to the packaging bag, and the functional film is In the case of a film having a hygroscopic function or an oxygen adsorbing function, it is not necessary to enclose a hygroscopic agent or an oxygen adsorbent in the packaging bag, and the packaging bag can be configured simply.
  • the specific energy refers to the energy given from the melt-kneading equipment to the resin per unit weight (1 kg) during melt-kneading, and is a value obtained by the following formula. The larger the value, the higher the kneading effect. It will be.
  • the torque, the kneader rotation speed, and the resin extrusion amount mean the following.
  • Torque Force required to rotate the kneader screw Kneader rotation speed: Kneader motor rotation speed required to rotate the kneader screw per unit time
  • Resin extrusion rate Kneader per unit time Amount of resin extruded from
  • the screw shape and the resin extrusion amount affect the specific energy.
  • the screw shape is a combination of a kneading part, a reverse flight part and / or a mixing part in the flight part, compared to the one using a general purpose screw only for the flight part (hereinafter referred to as a full flight type). It is desirable to use a material (hereinafter referred to as a high shear type).
  • the film 2 having thermal adhesiveness can be obtained.
  • An aspect ratio outside this range is not preferable because the thermal adhesiveness of the film is lowered.
  • the functional film 3 has a characteristic of adsorbing gas components and moisture.
  • the film 32 of the functional film 3 is a hygroscopic film, for example, a mixed resin containing a mixture of a desiccant such as zeolite and polyolefin, a polyethylene resin, and a maleic anhydride-modified polyolefin polymer.
  • the functional film 3 having hygroscopicity can be obtained by laminating layers by a multilayer film forming method.
  • polyethylene is used suitably.
  • the non-adsorbing film and the thermal adhesive layer of the functional film were faced to each other, and the four sides were heat sealed at 160 ° C., 180 ° C. and 200 ° C., and the thermal adhesiveness (seal strength) of the resulting packaging bag was measured. .
  • the thermal adhesiveness was measured with a T-type peel tester (STROGRAPE VE10D manufactured by Toyo Seiki Co., Ltd.) based on JIS Z 0238 for the seal strength of 15 mm width of the seal part.
  • the measurement conditions are as follows. Distance between chucks: 10 mm, tensile speed: 300 mm / min
  • the results of heat seal strength are shown in Table 2.
  • the evaluation is “ ⁇ ” for 5N / 15mm or more, “ ⁇ ” for 2N / 15mm to less than 5N / 15mm, “ ⁇ ” for 1N / 15mm to less than 2N / 15mm, “ ⁇ ” for less than 1N / 15mm. Is shown.
  • Examples 9 to 17, Comparative Examples 10 to 12 The resin composition and blending ratio of the thermal adhesive layer of the functional film were changed to the ratios shown in Table 3, and the sealing strength and blocking of the packaging bag were evaluated. The results are shown in Table 3.
  • Evolu SP2520 (manufactured by Prime Polymer) is LLDPE, and Mersen MX02 (manufactured by Tosoh) is an ethylene-vinyl acetate copolymer compound resin.
  • Modic DL2400 Mitsubishi Chemical
  • Modic DU6400 Mitsubishi Chemical
  • PET thickness 12 ⁇ m
  • AL vapor deposition film thickness 9 ⁇ m
  • non-adsorbing film laminated on the thermal adhesive layer of the functional film are the same as in Examples 1-8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)
  • Packages (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

L'invention concerne un sac d'emballage qui est constitué : d'un film de non adsorption (2) qui est doté de propriétés de thermoliage, et qui est constitué de 82 à 90% en masse de copolymère éthylène - alcool vinylique, et 10 à 18% en masse de polymère de polyoléfine modifiée par un anhydride d'acide maléique ; et d'un film fonctionnel (3) contenant une couche thermoliée (31) constituée de polyoléfine et de polymère de polyoléfine modifiée par un anhydride d'acide maléique. Le film de non adsorption (2) et la couche thermoliée (31) du film fonctionnel (3) sont thermoscellés et prennent une forme de sac.
PCT/JP2013/085241 2013-01-24 2013-12-27 Sac d'emballage WO2014115485A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014558479A JP6340154B2 (ja) 2013-01-24 2013-12-27 包装袋

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013011568 2013-01-24
JP2013-011568 2013-01-24

Publications (1)

Publication Number Publication Date
WO2014115485A1 true WO2014115485A1 (fr) 2014-07-31

Family

ID=51227285

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/085241 WO2014115485A1 (fr) 2013-01-24 2013-12-27 Sac d'emballage

Country Status (3)

Country Link
JP (1) JP6340154B2 (fr)
TW (1) TW201437102A (fr)
WO (1) WO2014115485A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016113213A (ja) * 2014-12-10 2016-06-23 共同印刷株式会社 包装袋及びその製造方法
WO2016148076A1 (fr) * 2015-03-13 2016-09-22 共同印刷株式会社 Stratifié pour le thermoscellage
JPWO2016013595A1 (ja) * 2014-07-23 2017-04-27 共同印刷株式会社 イージーピール性の包装袋

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06136206A (ja) * 1992-10-26 1994-05-17 Mitsubishi Kasei Corp 酸変性ポリオレフィン樹脂組成物及びそれを使用して得られる接着性フィルム又はシート
JPH0834448A (ja) * 1994-07-25 1996-02-06 Hisamitsu Pharmaceut Co Inc 包装用袋体
JPH10226025A (ja) * 1998-03-19 1998-08-25 Kuraray Co Ltd 多層包装体
JP2001130624A (ja) * 1999-11-08 2001-05-15 Daicel Chem Ind Ltd 熱可塑性樹脂シート
JP2011178875A (ja) * 2010-03-01 2011-09-15 Kyodo Printing Co Ltd エチレン−ビニルアルコール系ポリマーアロイ組成物、該組成物からなるフィルム、該フィルムを備える包装材、及び、該組成物の製造方法
JP2012116956A (ja) * 2010-12-01 2012-06-21 Kyodo Printing Co Ltd エチレン−ビニルアルコール系ポリマーアロイ組成物、該組成物からなるフィルム、該フィルムを備える包装材、及び、該組成物の製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06136206A (ja) * 1992-10-26 1994-05-17 Mitsubishi Kasei Corp 酸変性ポリオレフィン樹脂組成物及びそれを使用して得られる接着性フィルム又はシート
JPH0834448A (ja) * 1994-07-25 1996-02-06 Hisamitsu Pharmaceut Co Inc 包装用袋体
JPH10226025A (ja) * 1998-03-19 1998-08-25 Kuraray Co Ltd 多層包装体
JP2001130624A (ja) * 1999-11-08 2001-05-15 Daicel Chem Ind Ltd 熱可塑性樹脂シート
JP2011178875A (ja) * 2010-03-01 2011-09-15 Kyodo Printing Co Ltd エチレン−ビニルアルコール系ポリマーアロイ組成物、該組成物からなるフィルム、該フィルムを備える包装材、及び、該組成物の製造方法
JP2012116956A (ja) * 2010-12-01 2012-06-21 Kyodo Printing Co Ltd エチレン−ビニルアルコール系ポリマーアロイ組成物、該組成物からなるフィルム、該フィルムを備える包装材、及び、該組成物の製造方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2016013595A1 (ja) * 2014-07-23 2017-04-27 共同印刷株式会社 イージーピール性の包装袋
JP2016113213A (ja) * 2014-12-10 2016-06-23 共同印刷株式会社 包装袋及びその製造方法
WO2016148076A1 (fr) * 2015-03-13 2016-09-22 共同印刷株式会社 Stratifié pour le thermoscellage
JPWO2016148076A1 (ja) * 2015-03-13 2017-10-19 共同印刷株式会社 ヒートシール用積層体
EP3269548A4 (fr) * 2015-03-13 2018-08-29 Kyodo Printing Co., Ltd. Stratifié pour le thermoscellage

Also Published As

Publication number Publication date
TW201437102A (zh) 2014-10-01
JPWO2014115485A1 (ja) 2017-01-26
JP6340154B2 (ja) 2018-06-06

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