RU2005126329A - Повторно закрывающаяся упаковка - Google Patents

Повторно закрывающаяся упаковка Download PDF

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Publication number
RU2005126329A
RU2005126329A RU2005126329/12A RU2005126329A RU2005126329A RU 2005126329 A RU2005126329 A RU 2005126329A RU 2005126329/12 A RU2005126329/12 A RU 2005126329/12A RU 2005126329 A RU2005126329 A RU 2005126329A RU 2005126329 A RU2005126329 A RU 2005126329A
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Russia
Prior art keywords
layer
copolymer
ethylene
packaging according
packaging
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RU2005126329/12A
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English (en)
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RU2347731C2 (ru
Inventor
Штефан МАТИ (DE)
Штефан МАТИ
Аннетт КЭДИНГ-КОППЕРС (DE)
Аннетт КЭДИНГ-КОППЕРС
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Випак Вальсроде Гмбх Энд Ко. Кг (De)
Випак Вальсроде Гмбх Энд Ко. Кг
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Application filed by Випак Вальсроде Гмбх Энд Ко. Кг (De), Випак Вальсроде Гмбх Энд Ко. Кг filed Critical Випак Вальсроде Гмбх Энд Ко. Кг (De)
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    • 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
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    • 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
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Packages (AREA)

Claims (21)

1. Повторно закрывающаяся упаковка для различных продуктов, предпочтительно пищевых продуктов, состоящая из А) крышки из термосвариваемой многослойной пленки с а') расположенным со стороны упаковываемого продукта термосвариваемым слоем и ж') несущим слоем и Б) упаковочного лотка, изготовленного из термосвариваемой многослойной пленки с а) расположенным со стороны упаковываемого продукта термосвариваемым слоем и ж) несущим слоем, при этом крышка А) соединена с упаковочным лотком Б) расположенным в его краевой зоне термосварным швом, отличающаяся тем, что либо только многослойная пленка, из которой изготовлен упаковочный лоток Б), либо только многослойная пленка, из которой изготовлена крышка А), имеет примыкающую непосредственно к термосвариваемому слою а') или а) слоистую структуру, образованную следующими, расположенными в указанной последовательности в направлении изнутри упаковки наружу слоями б) адгезионным слоем, в) препятствующим миграции веществ слоем, который по меньшей мере на 75 мас.% состоит из сополимера этилена с виниловым спиртом и имеет толщину менее 2 мкм, и е) слоем контактного клея.
2. Упаковка по п.1, отличающаяся тем, что препятствующий миграции веществ слой в) выполнен из сополимера этилена с виниловым спиртом.
3. Упаковка по п.1, отличающаяся тем, что препятствующий миграции веществ слой в) выполнен из смеси, содержащей от 75 до 99 мас.% сополимера этилена с виниловым спиртом и от 1 до 25 мас.% сополимера этилена с винилацетатом.
4. Упаковка по п.3, отличающаяся тем, что препятствующий миграции веществ слой в) выполнен из смеси, содержащей от 80 до 95 мас.% сополимера этилена с виниловым спиртом и от 5 до 20 мас.% сополимера этилена с винилацетатом.
5. Упаковка по п.3, отличающаяся тем, что сополимер этилена с винилацетатом содержит от 2 до 35 мол.% винилацетата.
6. Упаковка по п.1, отличающаяся тем, что толщина препятствующего миграции веществ слоя в) составляет от 0,5 до менее 2 мкм, предпочтительно от 0,7 до 1,5 мкм.
7. Упаковка по п.1, отличающаяся тем, что общая толщина последовательности слоев а)-е), соответственно а')-е) составляет от 15 до 70 мкм, предпочтительно от 20 до 50 мкм, особенно предпочтительно от 25 до 40 мкм.
8. Упаковка по п.1, отличающаяся тем, что отношение толщины препятствующего миграции веществ слоя в) к общей толщине соответствующей многослойной пленки, из которой изготовлена крышка А) или упаковочный лоток Б), составляет от 1:1000 до 1:25, предпочтительно от 1:100 до 1:30.
9. Упаковка по п.1, отличающаяся тем, что термосвариваемый слой а), равно как и термосвариваемый слой а'), которые могут быть одинаковыми или различными, содержат в качестве полимерного компонента по меньшей мере один полиолефин, предпочтительно полиэтилен, по меньшей мере один сополимер этилена, предпочтительно сополимер этилена с винилацетатом, или смесь указанных полимеров.
10. Упаковка по п.9, отличающаяся тем, что термосвариваемые слои а) и а') содержат в качестве полимерного компонента полиэтилен низкой плотности (ПЭНП), полиэтилен высокой плотности (ПЭВП), линейный полиэтилен низкой плотности (ЛПЭНП), м-ПЭ, наиболее предпочтительно ПЭНП, сополимер этилена с винилацетатом или их смесь.
11. Упаковка по п.9 или 10, отличающаяся тем, что полимерный компонент термосвариваемого слоя а') идентичен полимерному компоненту термосвариваемого слоя а) пленки, из которой изготовлен упаковочный лоток Б).
12. Упаковка по п.1, отличающаяся тем, что слой е) в качестве контактного клея содержит контактный клей на основе дисперсии, термоклей или УФ-отверждаемый клей-расплав.
13. Упаковка по п.1, отличающаяся тем, что слой д) выполнен по меньшей мере из одного полиолефина, предпочтительно полиэтилена, сополимера этилена, предпочтительно сополимера этилена с винилацетатом, или смеси указанных полимеров.
14. Упаковка по п.13, отличающаяся тем, что слой д) выполнен из ПЭНП, ПЭВП, ЛПЭНП или м-ПЭ либо из смеси по меньшей мере двух указанных полиэтиленов или смеси с сополимером этилена с винилацетатом, наиболее предпочтительно из ПЭНП, сополимера этилена с винилацетатом или их смеси.
15. Упаковка по п.1, отличающаяся тем, что слои а)-д), соответственно а')-д) в образованной ими частичной слоистой структуре расположены в симметричной относительно препятствующего миграции веществ слоя в) последовательности.
16. Упаковка по п.15, отличающаяся тем, что каждый из слоев а), а') и д), соответственно б) и г) выполнен из полимерного материала одного и того же типа.
17. Упаковка по п.1, отличающаяся тем, что каждый из несущих слоев ж) и ж'), которые могут быть одинаковыми или различными, выполнен из термопластичного полимера, предпочтительно сложного полиэфира, полиолефина или полиамида.
18. Упаковка по п.17, отличающаяся тем, что несущие слои ж) и ж'), которые могут быть одинаковыми или различными, выполнены из вспененных или аморфных сложных полиэфиров, предпочтительно полиэтилентерефталата, из полиэтилена или полипропилена.
19. Упаковка по п.17 или 18, отличающаяся тем, что несущий слой ж') многослойной пленки, из которой изготовлена крышка А), подвергнут по меньшей мере продольной вытяжке, предпочтительно двухосной вытяжке.
20. Упаковка по п.1, отличающаяся тем, что она выполнена по меньшей мере с прозрачной крышкой А), предпочтительно полностью выполнена прозрачной.
21. Упаковка по п.1, отличающаяся тем, что между препятствующим миграции веществ слоем в) и слоем контактного клея е) расположен примыкающий к слою в) г) дополнительный адгезионный слой и/или по меньшей мере один слой из олефинового гомо- или сополимера.
RU2005126329/12A 2003-01-20 2004-01-19 Повторно закрывающаяся упаковка RU2347731C2 (ru)

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PT1590260E (pt) 2007-10-22
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US20060088677A1 (en) 2006-04-27
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EP1590260B1 (de) 2007-07-18
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