WO2018181011A1 - 二軸配向ポリプロピレン系樹脂フィルム - Google Patents

二軸配向ポリプロピレン系樹脂フィルム Download PDF

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Publication number
WO2018181011A1
WO2018181011A1 PCT/JP2018/011749 JP2018011749W WO2018181011A1 WO 2018181011 A1 WO2018181011 A1 WO 2018181011A1 JP 2018011749 W JP2018011749 W JP 2018011749W WO 2018181011 A1 WO2018181011 A1 WO 2018181011A1
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WO
WIPO (PCT)
Prior art keywords
layer
film
copolymer
propylene
butene
Prior art date
Application number
PCT/JP2018/011749
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English (en)
French (fr)
Japanese (ja)
Inventor
今井　徹
山田　浩司
Original Assignee
東洋紡株式会社
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 東洋紡株式会社 filed Critical 東洋紡株式会社
Priority to JP2019509716A priority Critical patent/JP6996554B2/ja
Priority to CN201880019330.1A priority patent/CN110505960B/zh
Publication of WO2018181011A1 publication Critical patent/WO2018181011A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes

Definitions

  • a biaxially oriented polypropylene resin film comprising a base material layer (A), an intermediate layer (B), and a seal layer (C), which satisfies the following 1) to 5): the film.
  • the resin composition which comprises a base material layer (A) has a polypropylene resin as a main component, and melting
  • the resin composition constituting the intermediate layer (B) is at least selected from the group consisting of a propylene / ethylene / butene-1 copolymer, a propylene / butene-1 copolymer, and a propylene / ethylene copolymer.
  • One type of copolymer is contained at 30% by weight or more.
  • Item 2 The polypropylene resin film according to Item 1, wherein the seal layer (C) contains an antifogging agent.
  • the melting point of the polypropylene resin used for the base material layer (A) needs to be 156 ° C. or higher. Melting
  • the insolubility of n-heptane indicates the crystallinity of polypropylene and indicates safety when used for food packaging. In the present invention, n-heptane insolubility according to Notification No. 20 of the Ministry of Health and Welfare in February 1982 is used. It is a preferred embodiment to use a material that conforms to (the elution amount when extracted at 25 ° C. for 60 minutes is 150 ppm or less [the usage temperature exceeds 100 ° C. is 30 ppm or less]).
  • an ⁇ -olefin copolymer component of a copolymer of propylene and another ⁇ -olefin an ⁇ -olefin having 2 to 8 carbon atoms such as ethylene, butene-1, pentene-1, hexene-1, 4 -Methyl-1-pentene and the like are preferable.
  • the copolymer is preferably a random or block copolymer obtained by polymerizing one or more of the ⁇ -olefins exemplified above with propylene.
  • propylene / ethylene / butene-1 copolymer having a high butene content examples include “FSX66E8” manufactured by Sumitomo Chemical Co., Ltd.
  • the propylene / ethylene / butene-1 copolymer is preferably blended in an amount of 65% by weight or more in the resin component constituting the intermediate layer (B). More preferably, it is 70 weight% or more, and it is still more preferable that it is 99 weight% or less, More preferably, it is 95 weight% or less.
  • the propylene / ethylene copolymer is preferably blended in an amount of 65% by weight or more in the resin component constituting the intermediate layer (B). More preferably, it is 70 weight% or more, and it is still more preferable that it is 99 weight% or less, More preferably, it is 95 weight% or less.
  • the interlayer strength with the seal layer (C) is increased, so that the heat seal strength can be increased or the sealing performance can be easily improved.
  • the interlayer strength with the base material layer (A) can be increased by setting it to 95% by weight or less.
  • the propylene / ethylene copolymer preferably has an ethylene content of 4 mol% or more.
  • the upper limit of the ethylene content is not particularly limited, but if the ethylene content is too high, the film surface may become sticky, and slipperiness and blocking resistance may decrease. Good.
  • Examples of the propylene / ethylene copolymer having a high ethylene content include “PC540R” manufactured by Sun Allomer Co., Ltd. and “VM3588FL” manufactured by Mitsui Chemicals, Inc.
  • the polypropylene resin film of the present invention comprises the above-mentioned base material layer (A), intermediate layer (B), and seal layer (C).
  • the thickness of the intermediate layer (B) needs to be 5% or more and 18% or less with respect to the entire film layer.
  • the thickness of the intermediate layer (B) is less than 5%, sufficient strength and sealability cannot be obtained.
  • the thickness of the intermediate layer (B) is 18% or less, the film can be smoothly conveyed in the automatic packaging process, and wrinkles are unlikely to occur in the obtained bag-made product. More preferably, it is 5% or more and 15% or less.
  • the biaxially oriented polypropylene-based resin film of the present invention preferably has a heat seal rising temperature obtained by a measurement method described later of 120 ° C. or lower. More preferably, it is 115 degrees C or less.
  • the evaluation of the automatic packaging suitability obtained by the measurement method described later is ⁇ or ⁇ . More preferably, it is (circle).
  • Anti-fogging property 1 Put 300 cc of hot water at 50 ° C. into a 500 cc top open container. 2) The container opening is sealed with the film with the antifogging measurement surface of the film facing inside. 3) Leave in a cold room at 5 ° C. 4) The state of dew adhesion on the film surface was evaluated in five stages while the hot water in the container was completely cooled to the ambient temperature.
  • Rank 1 No dew on the entire surface (attachment area 0)
  • Rank 2 Slight dew adhesion (up to 1/4 adhesion area)
  • Rank 3 About 1/2 dew adhesion (up to 2/4 adhesion area)
  • Rank 4 almost dew adhesion (up to 3/4 adhesion area)
  • Rank 5 Dew adhesion on the entire surface (adhesion area 3/4 or more)
  • the polypropylene resin constituting each layer used in the examples is as follows.
  • PP-1 Propylene homopolymer: “FS2011DG3” manufactured by Sumitomo Chemical Co., Ltd., MFR: 2.5 g / 10 min, melting point: 158 ° C.
  • Example 2 A laminated film was obtained in the same manner as in Example 1 except that the constituent resin composition of the intermediate layer (B) was a mixture of 10% by weight of [PP-1] and 90% by weight of [PP-5].
  • the obtained laminated film has sufficient heat-sealing strength and ultimate strength at a low temperature as in Example 1, and achieves both airtightness, suitability for automatic packaging, bag feeling, and air return after deaeration packaging. It became something to do.
  • the anti-fogging property was at a level with no problem in the packaging of fruits and vegetables. Table 1 shows the film composition and physical property results.
  • Example 6 A laminated film was obtained in the same manner as in Example 2 except that the thickness of the base material layer (A) was 20.5 ⁇ m and the thickness of the intermediate layer (B) was 3.5 ⁇ m. Although the obtained laminated film had a slightly reduced feeling of bag-making product, it had sufficient heat-sealing strength and ultimate strength at a low temperature as in Example 2, and had sealing properties, automatic packaging suitability, and bag-making product waist. Both feeling and air return after deaeration packaging are achieved. In addition, the anti-fogging property was at a level with no problem in the packaging of fruits and vegetables. Table 1 shows the film composition and physical property results.
  • Example 7 A laminated film was obtained in the same manner as in Example 1 except that the thickness of the base material layer (A) was 35 ⁇ m, the thickness of the intermediate layer (B) was 5 ⁇ m, and the thickness of the seal layer (C) was 2 ⁇ m.
  • the obtained laminated film was inferior in sealing performance and air return after deaeration packaging.
  • Table 2 shows the film composition and physical property results.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
PCT/JP2018/011749 2017-03-28 2018-03-23 二軸配向ポリプロピレン系樹脂フィルム WO2018181011A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019509716A JP6996554B2 (ja) 2017-03-28 2018-03-23 二軸配向ポリプロピレン系樹脂フィルム
CN201880019330.1A CN110505960B (zh) 2017-03-28 2018-03-23 双轴取向聚丙烯系树脂薄膜

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-062984 2017-03-28
JP2017062984 2017-03-28

Publications (1)

Publication Number Publication Date
WO2018181011A1 true WO2018181011A1 (ja) 2018-10-04

Family

ID=63675690

Family Applications (1)

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PCT/JP2018/011749 WO2018181011A1 (ja) 2017-03-28 2018-03-23 二軸配向ポリプロピレン系樹脂フィルム

Country Status (4)

Country Link
JP (1) JP6996554B2 (zh)
CN (1) CN110505960B (zh)
TW (1) TWI749199B (zh)
WO (1) WO2018181011A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020100431A (ja) * 2018-12-25 2020-07-02 グンゼ株式会社 青果物の包装袋に用いるフィルム
WO2022138531A1 (ja) 2020-12-23 2022-06-30 東レ株式会社 ポリプロピレンフィルム、積層体、包装材、及び梱包体

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW202037489A (zh) * 2019-01-29 2020-10-16 日商東洋紡股份有限公司 聚丙烯系樹脂多層膜以及包裝體
TW202110646A (zh) * 2019-07-10 2021-03-16 日商東洋紡股份有限公司 雙軸配向聚丙烯系樹脂膜及使用該雙軸配向聚丙烯系樹脂膜之包裝體
CN115362199B (zh) * 2020-03-30 2023-12-19 东洋纺株式会社 聚烯烃系树脂薄膜

Citations (7)

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JPH03240533A (ja) * 1990-02-19 1991-10-25 Toray Ind Inc 包装用積層フィルム
JP2005305998A (ja) * 2004-03-26 2005-11-04 Toyobo Co Ltd ヒートシール性ポリプロピレン系樹脂積層フィルム及び包装体
JP2006327183A (ja) * 2005-04-28 2006-12-07 Toyobo Co Ltd ヒートシール性積層ポリプロピレン系樹脂フイルム及び包装体
JP2007160530A (ja) * 2005-12-09 2007-06-28 Toyobo Co Ltd 包装用フィルム及び包装体
JP2007283698A (ja) * 2006-04-19 2007-11-01 Toyobo Co Ltd 積層ポリプロピレン系樹脂フィルム
JP2011088375A (ja) * 2009-10-23 2011-05-06 Sumitomo Chemical Co Ltd ポリプロピレン延伸多層フィルム
WO2017170330A1 (ja) * 2016-03-30 2017-10-05 東洋紡株式会社 ポリプロピレン系樹脂多層フィルム及びそれを用いた包装体

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WO2010115312A1 (en) * 2009-04-10 2010-10-14 Dow Global Technologies Inc. High performance sealable coextruded biaxially oriented polypropylene film
KR101986868B1 (ko) * 2012-01-24 2019-06-07 도요보 가부시키가이샤 연신 폴리프로필렌 필름
WO2015012165A1 (ja) * 2013-07-23 2015-01-29 東洋紡株式会社 ヒートシール性ポリプロピレン積層延伸フィルム
WO2016174219A1 (en) * 2015-04-30 2016-11-03 Cryovac, Inc. A multilayer coextruded heat-shrinkable barrier foamed film and foamed flexible containers made therefrom for packaging applications
JP6413913B2 (ja) * 2015-05-07 2018-10-31 三菱ケミカル株式会社 トップシール用蓋材フィルム
CN106364093A (zh) * 2016-08-26 2017-02-01 上海紫江新材料科技有限公司 一种流延聚丙烯膜及其制备方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03240533A (ja) * 1990-02-19 1991-10-25 Toray Ind Inc 包装用積層フィルム
JP2005305998A (ja) * 2004-03-26 2005-11-04 Toyobo Co Ltd ヒートシール性ポリプロピレン系樹脂積層フィルム及び包装体
JP2006327183A (ja) * 2005-04-28 2006-12-07 Toyobo Co Ltd ヒートシール性積層ポリプロピレン系樹脂フイルム及び包装体
JP2007160530A (ja) * 2005-12-09 2007-06-28 Toyobo Co Ltd 包装用フィルム及び包装体
JP2007283698A (ja) * 2006-04-19 2007-11-01 Toyobo Co Ltd 積層ポリプロピレン系樹脂フィルム
JP2011088375A (ja) * 2009-10-23 2011-05-06 Sumitomo Chemical Co Ltd ポリプロピレン延伸多層フィルム
WO2017170330A1 (ja) * 2016-03-30 2017-10-05 東洋紡株式会社 ポリプロピレン系樹脂多層フィルム及びそれを用いた包装体

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020100431A (ja) * 2018-12-25 2020-07-02 グンゼ株式会社 青果物の包装袋に用いるフィルム
JP7471053B2 (ja) 2018-12-25 2024-04-19 グンゼ株式会社 青果物の包装袋に用いるフィルム
WO2022138531A1 (ja) 2020-12-23 2022-06-30 東レ株式会社 ポリプロピレンフィルム、積層体、包装材、及び梱包体

Also Published As

Publication number Publication date
TW201900420A (zh) 2019-01-01
TWI749199B (zh) 2021-12-11
JP6996554B2 (ja) 2022-01-17
CN110505960B (zh) 2022-05-10
CN110505960A (zh) 2019-11-26
JPWO2018181011A1 (ja) 2020-02-06

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