DE69526T1 - Verpackungssaecke. - Google Patents

Verpackungssaecke.

Info

Publication number
DE69526T1
DE69526T1 DE198282303397T DE82303397T DE69526T1 DE 69526 T1 DE69526 T1 DE 69526T1 DE 198282303397 T DE198282303397 T DE 198282303397T DE 82303397 T DE82303397 T DE 82303397T DE 69526 T1 DE69526 T1 DE 69526T1
Authority
DE
Germany
Prior art keywords
ethylene
bag according
layer
inner layer
bag
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.)
Pending
Application number
DE198282303397T
Other languages
English (en)
Inventor
Shinji Kawamura
Yoshiyuki Kimitsu-Gun Chiba-Ken Mihara
Kenta Kimitsu-Gun Schiba-Ken Yaeo
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.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical Co 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
Priority claimed from JP56104828A external-priority patent/JPS587347A/ja
Priority claimed from JP15758781A external-priority patent/JPS5859080A/ja
Priority claimed from JP56157588A external-priority patent/JPS5864952A/ja
Application filed by Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Publication of DE69526T1 publication Critical patent/DE69526T1/de
Pending legal-status Critical Current

Links

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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • 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
    • 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
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
    • 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
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/72—Density
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/043—HDPE, i.e. high density polyethylene
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • 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
    • B32B2439/00—Containers; Receptacles
    • B32B2439/02—Open containers
    • B32B2439/06—Bags, sacks, sachets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Bag Frames (AREA)

Claims (10)

G13562 30. Dezember 1983 EP 82 303 397.2 (0 069 526) - Idemitsu Petrochemical Co. Ltd Patentansprüche:
1. Verpackungsbeutel mit einer äußeren und einer inneren Lage, dadurch gekennzeichnet, daß die äußere Lage ein Niederdruck-(LD)-Polymer auf Ethylenbasis oder ein Gemisch desselben mit einem Ethylen-Vinylacetat-Copolymer und die innere Lage ein Gemisch eines Hochdruck-(HD)-Polyethylene und eines Ethylen- Λ. -Olefins ist.
2. Beutel nach Anspruch 1, dadurch gekennzeichnet, daß das
LD-Polymer auf Ethylenbasis ein spezifisches Gewicht von 0,91 bis 0,94 g/cm und e
10 g/10 Minuten aufweist.
0,91 bis 0,94 g/cm und einen Schmelzindex von 0,3 bis
3. Beutel nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das LD-Polymer auf Ethylenbasis ein Ethylen-Homopolymer oder ein Copolymer von Ethylen und einem ,^-Olefin, das
von 3 bis 12 Kohlenstoffatome aufweist, ist.
4. Beutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die äußere Lage von 10 bis 95 G e w . - ?ό des LD-Polymers auf Ethylenbasis un von 90 bis 5 Gew.-?o des Ethylen-Vinylacetat-Copolymers enthält.
5. Beutel nach einem der vorhergehenden Ansprüche, dadurch
gekennzeichnet, daß das HD-Polyethylen ein spezifisches Gewicht von 0,94 bis 0,97 g/cm un_d einen Schmelzindex
von 0,01 bis 1 g/10 Minuten aufweist.
6. Beutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Ethylen- 4. -Olefin-Copolymer der inneren' Lage ein Elastomer auf Basis von Ethylen-Propylen ist.
7. Beutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die innere Lage ·νοη 95 bis 50 Gew.-?o des HD-Polyethylens und von 5 bis 50 Gew.-?o des Ethylen- X Olefin-Copolymers enthält.
8. Beutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet j daß das Dickenverhältnis der äußeren Lage zur inneren Lage von 1/99 bis 60/40 beträgt.
9. Beutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Beutel außerdem zwischen der äußeren und der inneren Lage eine Zwischenlage aus Kunststoff aufweist.
10. Beutel nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Beutel außerdem eine innerste Lage aus Kunststoff auf der der äußeren Lage abgewandten Oberfläche der inneren Lage aufweist.
DE198282303397T 1981-07-04 1982-06-29 Verpackungssaecke. Pending DE69526T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP56104828A JPS587347A (ja) 1981-07-04 1981-07-04 包装用袋およびその製造方法
JP15758781A JPS5859080A (ja) 1981-10-05 1981-10-05 積層フイルム
JP56157588A JPS5864952A (ja) 1981-10-05 1981-10-05 包装用袋

Publications (1)

Publication Number Publication Date
DE69526T1 true DE69526T1 (de) 1984-04-26

Family

ID=27310332

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198282303397T Pending DE69526T1 (de) 1981-07-04 1982-06-29 Verpackungssaecke.
DE8282303397T Expired DE3267899D1 (en) 1981-07-04 1982-06-29 Packaging bags

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8282303397T Expired DE3267899D1 (en) 1981-07-04 1982-06-29 Packaging bags

Country Status (2)

Country Link
EP (1) EP0069526B1 (de)
DE (2) DE69526T1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111602B1 (de) * 1982-12-16 1986-05-14 Idemitsu Petrochemical Co. Ltd. Verpackungsbeutel
JPS60105541A (ja) * 1983-11-14 1985-06-11 出光石油化学株式会社 多層フイルム
US4590124A (en) * 1984-05-10 1986-05-20 W. R. Grace & Co., Cryovac Div. Storm window film
US4551380A (en) * 1984-05-10 1985-11-05 W. R. Grace & Co., Cryovac Div. Oriented heat-sealable multilayer packaging film
US4514465A (en) * 1984-05-30 1985-04-30 W. R. Grace & Co., Cryovac Div. Storm window film comprising at least five layers
IE56700B1 (en) * 1984-11-30 1991-11-06 Canadian Ind Thermoplastic sacks
US4854999A (en) * 1985-10-11 1989-08-08 W. R. Grace & Co. Method of making a laminate via corona discharge treatment
US4778557A (en) * 1985-10-11 1988-10-18 W. R. Grace & Co., Cryovac Div. Multi-stage corona laminator
DE3631231A1 (de) * 1986-09-13 1988-03-24 Hoechst Ag Bedruckbare und beidseitig siegelbare, biaxial orientierte opake polyolefin-mehrschichtfolie, ihre herstellung und ihre verwendung
DE3736236A1 (de) * 1987-10-27 1989-05-11 Nordenia Verpackung Folie, insbesondere zur herstellung eines sackes, beutels oder dergleichen verpackung
JPH04506782A (ja) * 1990-04-23 1992-11-26 ダウブランズ　インコーポレイティド 自由端密封フィルム製品及びその製造方法
US6287613B1 (en) * 1994-12-12 2001-09-11 Cryovac Inc Patch bag comprising homogeneous ethylene/alpha-olefin copolymer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956723A (en) * 1958-11-10 1960-10-18 Kendall & Co Laminates
DE2143597A1 (de) * 1970-09-09 1972-03-16 Leesona Corp Strangpreßvorrichtung zur Herstellung von Kunstharzverbundgebilden oder -laminaten
BE789332A (fr) * 1971-09-28 1973-03-27 Du Pont Canada Pellicules de polymeres d'ethylene a stratification et orientation simultanees
GB2028716B (en) 1978-08-16 1982-09-08 Mobil Oil Corp Laminar thermoplastic film constructions
JPS5729426A (en) 1980-07-31 1982-02-17 Idemitsu Petrochem Co Ltd Molding method of two-layered film

Also Published As

Publication number Publication date
EP0069526B1 (de) 1985-12-11
DE3267899D1 (en) 1986-01-23
EP0069526A1 (de) 1983-01-12

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