RU2018117665A - Ламинированная барьерная пленка и покрывающая край полоса для упаковки - Google Patents

Ламинированная барьерная пленка и покрывающая край полоса для упаковки Download PDF

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RU2018117665A
RU2018117665A RU2018117665A RU2018117665A RU2018117665A RU 2018117665 A RU2018117665 A RU 2018117665A RU 2018117665 A RU2018117665 A RU 2018117665A RU 2018117665 A RU2018117665 A RU 2018117665A RU 2018117665 A RU2018117665 A RU 2018117665A
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Russia
Prior art keywords
dlc
base layer
barrier film
coating
polymer
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RU2018117665A
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English (en)
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RU2018117665A3 (ru
RU2726549C2 (ru
Inventor
Пьер ФАЙЕТ
Чезаре ЛОРЕНЦЕТТИ
Жером ЛЯРРЬЕ
Франческо ПИШОТТИ
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Тетра Лаваль Холдингз Энд Файнэнс С.А.
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Publication of RU2018117665A3 publication Critical patent/RU2018117665A3/ru
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    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]

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Claims (16)

1. Ламинированная барьерная пленка (10a; 10b) для покрывающей край полосы или заплатки в картонном упаковочном контейнере для жидкости, содержащая основной слой (11a), имеющий первое покрытие (11b) из аморфного алмазоподобного углерода (DLC) на первой стороне основного слоя, и дополнительно имеющий первый внешний непроницаемый для жидкости термосвариваемый полимерный слой (12) на первой стороне покрытого основного слоя (11), контактирующий с первым покрытием из DLC, и второй внешний непроницаемый для жидкости термосвариваемый полимерный слой (13) на противоположной, второй стороне основного слоя.
2. Ламинированная барьерная пленка по п. 1, в которой основной слой (11a) пленочного ламината имеет поддерживающее адгезию покрытие (11c) из праймера на своей второй стороне, противоположной той стороне, которая покрыта первым покрытием (11b) из DLC, и в которой основной слой связывается со вторым внешним непроницаемым для жидкости термосвариваемым полимерным слоем (13) посредством поддерживающего адгезию покрытия из праймера.
3. Ламинированная барьерная пленка по п. 2, в которой поддерживающее адгезию покрытие (11c) из праймера является вторым покрытием из аморфного алмазоподобного углерода (DLC).
4. Ламинированная барьерная пленка по любому из предшествующих пунктов, в которой термосвариваемый полимер представляет собой полиолефин, такой как гомо- или сополимер полиэтилена или смесь полиолефинов, состоящая в основном из полиэтиленового полимера.
5. Ламинированная барьерная пленка по любому из предшествующих пунктов, в которой первый покрытый DLC основной слой (11) ламинируется и связывается с дополнительным идентичным или подобным вторым покрытым DLC основным слоем (11d) посредством промежуточного термопластичного связывающего слоя 16, причем пленочный ламинат дополнительно содержит первый внешний непроницаемый для жидкости термосвариваемый полимерный слой (12) на противоположной, неламинированной стороне первого покрытого DLC слоя (11) субстрата из полимерной пленки и второй внутренний непроницаемый для жидкости термосвариваемый полимерный слой (13) на противоположной, неламинированной стороне второго покрытого DLC слоя (11d) субстрата из полимерной пленки.
6. Ламинированная барьерная пленка по любому из предшествующих пунктов, в которой основной слой (11а) представляет собой полимерную пленку, выбираемую из группы, состоящей из пленок на основе любого из полиэстеров, таких как полиэтилентерефталат (PET), одно- или двухосноориентированного PET (OPET, BOPET), неориентированного или одно- или двухосноориентированного полиэтиленфураноата (PEF), ориентированного или неориентированного полибутилентерефталата (PBT), полиэтиленнафталата (PEN), полиамидов, таких как ориентированный или неориентированный полиамид (PA, OPA, BOPA), сополимеров винилового спирта и этилена (EVOH), полиолефинов, таких как полипропилен, одно- или двухосноориентированный полипропилен (PP, OPP, BOPP), полиэтиленов, таких как ориентированный или неориентированный полиэтилен высокой плотности (HDPE), линейный полиэтилен низкой плотности (LLDPE) и сополимеры циклоолефина (COC), а также смесей любых из упомянутых полимеров, или многослойной пленки, имеющей поверхностный слой, содержащий любой из упомянутых полимеров или их смеси.
7. Ламинированная барьерная пленка по любому из предшествующих пунктов, в которой основной слой (11а) является полимерной пленкой, выбираемой из группы, состоящей из пленок, основанных на любом из полиэстеров, полиамидов, сополимеров винилового спирта и полиэтилена (EVOH) или их смесей, или многослойных пленок, имеющих поверхностный слой, содержащий любой из упомянутых полимеров или их смесей.
8. Ламинированная барьерная пленка по любому из предшествующих пунктов, в которой первое покрытие (11b) из аморфного алмазоподобного углерода (DLC) наносится с толщиной от 2 до 100 нм, например от 5 до 50 нм, например от 5 до 40 нм, например от 10 до 40 нм, например от 10 до 35 нм.
9. Ламинированная барьерная пленка по любому из предшествующих пунктов, в которой первое покрытие (11b) из аморфного алмазоподобного углерода (DLC) является поддерживающим адгезию покрытием и наносят с толщиной от 2 до 50 нм; например, от 2 до 10 нм; например, от 2 до 5 нм.
10. Ламинированная барьерная пленка по любому из предшествующих пунктов, в которой второе барьерное покрытие (11c) из аморфного алмазоподобного углерода наносят с толщиной от 2 до 50 нм; например, от 2 до 40 нм; например, 2-10 нм; например, от 2 до 5 нм.
11. Покрывающая край термосвариваемая барьерная полоса (26) из ламинированной барьерной пленки (10a; 10b) по любому из пп. 1-10.
12. Упаковочный контейнер (50a; 50b; 50c; 50d), содержащий покрывающую край термосвариваемую барьерную полосу по п. 11.
13. Способ производства ламинированной барьерной пленки (10a; 10b) по любому из пп. 1-10, содержащий стадии осаждения из паровой фазы покрытия (11b) из аморфного алмазоподобного углерода (DLC) на предварительно произведенный основной слой (11a) и ламинирования покрытого таким образом DLC основного слоя (11; 31) на внешние слои (12,13) из непроницаемого для жидкости термосвариваемого полимера (32,33) с обеих сторон покрытого DLC основного слоя.
14. Способ по п. 13, в котором по меньшей мере один из внешних слоев (12,13) из непроницаемого для жидкости термосвариваемого полимера наносится с помощью экструзии полимерного расплава (32,33) на покрытый DLC основной слой (11; 31).
15. Способ по п. 13, в котором по меньшей мере один из внешних слоев (12,13) из непроницаемого для жидкости термосвариваемого полимера ламинируется на покрытый DLC основной слой (11; 31) в форме предварительно произведенных полимерных пленок.
16. Способ по любому из пп. 13-15, содержащий дополнительную стадию обработки поверхности покрытого DLC основного слоя (11; 31) перед стадией ламинирования внешних слоев из непроницаемого для жидкости термосвариваемого полимера (12,13) на обработанный таким образом покрытый DLC основной слой.
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