RU2014107452A - Термоусадочная пленка для этикеток с низким удельным весом и способ ее изготовления - Google Patents

Термоусадочная пленка для этикеток с низким удельным весом и способ ее изготовления Download PDF

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Publication number
RU2014107452A
RU2014107452A RU2014107452/05A RU2014107452A RU2014107452A RU 2014107452 A RU2014107452 A RU 2014107452A RU 2014107452/05 A RU2014107452/05 A RU 2014107452/05A RU 2014107452 A RU2014107452 A RU 2014107452A RU 2014107452 A RU2014107452 A RU 2014107452A
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Russia
Prior art keywords
shrink film
weight
thickness
foam layer
film according
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RU2014107452/05A
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English (en)
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RU2597384C2 (ru
Inventor
Вон Сок О
Енг Тэк О
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Донг Ил Кемикал Инк., Лтд.
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Priority claimed from KR1020130046137A external-priority patent/KR20140127595A/ko
Priority claimed from KR1020130140462A external-priority patent/KR101486799B1/ko
Application filed by Донг Ил Кемикал Инк., Лтд. filed Critical Донг Ил Кемикал Инк., Лтд.
Publication of RU2014107452A publication Critical patent/RU2014107452A/ru
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Publication of RU2597384C2 publication Critical patent/RU2597384C2/ru

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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
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    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

1. Термоусадочная пленка для этикеток, включающая слой пенопласта 10, содержащий полистирол в качестве основного компонента, и пару невспененных слоев 20, прикрепленных плавлением к обеим сторонам слоя 10, где последний 10 и пара невспененных слоев 20 соединены в слоистую структуру путем коэкструзии с получением пленки, имеющей удельный вес ниже 1,0.2. Термоусадочная пленка по п. 1, в которой толщина слоя пенопласта 10 составляет от 60 до 90% общей толщины пленки, а толщина каждого невспененного слоя 20 составляет от 5 до 20% общей толщины пленки.3. Термоусадочная пленка по п. 1, в которой коэффициент вспенивания слоя пенопласта 10 составляет от 5 до 20%.4. Термоусадочная пленка по любому из пп. 1-3, где пленка имеет толщину от 30 до 60 мкм.5. Термоусадочная пленка по п. 4, в которой слой пенопласта 10 содержит от 30 до 95% по весу сополимера стирола и бутадиена и от 5 до 70% по весу полистирола общего назначения, а невспененные слои 20 содержат от 30 до 95% по весу сополимера стирола и бутадиена, от 4,9 до 65% по весу полистирола общего назначения и от 0,1 до 5% по весу ударопрочного полистирола (УППС).6. Термоусадочная пленка по п. 5, где пленка имеет удельный вес от 0,9 до менее 1,0.7. Способ получения термоусадочной пленки для этикеток с низким удельным весом, содержащий следующие операции:получение нерастянутой пленки путем совместной экструзии соответствующих материалов с формированием слоя пенопласта 10, содержащего полистирол в качестве основного компонента, и пары невспененных слоев 20, прикрепленных плавлением к обеим сторонам слоя 10; ирастягивание нерастянутой пленки в поперечном направлении.8. Способ получения термоусадочной пленки по п. 7, в котором опе

Claims (16)

1. Термоусадочная пленка для этикеток, включающая слой пенопласта 10, содержащий полистирол в качестве основного компонента, и пару невспененных слоев 20, прикрепленных плавлением к обеим сторонам слоя 10, где последний 10 и пара невспененных слоев 20 соединены в слоистую структуру путем коэкструзии с получением пленки, имеющей удельный вес ниже 1,0.
2. Термоусадочная пленка по п. 1, в которой толщина слоя пенопласта 10 составляет от 60 до 90% общей толщины пленки, а толщина каждого невспененного слоя 20 составляет от 5 до 20% общей толщины пленки.
3. Термоусадочная пленка по п. 1, в которой коэффициент вспенивания слоя пенопласта 10 составляет от 5 до 20%.
4. Термоусадочная пленка по любому из пп. 1-3, где пленка имеет толщину от 30 до 60 мкм.
5. Термоусадочная пленка по п. 4, в которой слой пенопласта 10 содержит от 30 до 95% по весу сополимера стирола и бутадиена и от 5 до 70% по весу полистирола общего назначения, а невспененные слои 20 содержат от 30 до 95% по весу сополимера стирола и бутадиена, от 4,9 до 65% по весу полистирола общего назначения и от 0,1 до 5% по весу ударопрочного полистирола (УППС).
6. Термоусадочная пленка по п. 5, где пленка имеет удельный вес от 0,9 до менее 1,0.
7. Способ получения термоусадочной пленки для этикеток с низким удельным весом, содержащий следующие операции:
получение нерастянутой пленки путем совместной экструзии соответствующих материалов с формированием слоя пенопласта 10, содержащего полистирол в качестве основного компонента, и пары невспененных слоев 20, прикрепленных плавлением к обеим сторонам слоя 10; и
растягивание нерастянутой пленки в поперечном направлении.
8. Способ получения термоусадочной пленки по п. 7, в котором операция растягивания производится с коэффициентом растяжения от 3,5 до 5,5.
9. Способ получения термоусадочной пленки по п. 7 или 8, в котором слой пенопласта 10 содержит от 30 до 95% по весу сополимера стирола и бутадиена, от 5 до 70% по весу полистирола общего назначения и от 0,01 до 1,0% по весу пенообразующего агента от общего веса полимера пенистого слоя.
10. Способ получения термоусадочной пленки по п. 9, в котором слой пенопласта 10 дополнительно содержит диспергирующий агент, который облегчает дисперсию белого пигмента и/или пенообразующего агента.
11. Способ получения термоусадочной пленки по п. 9, в котором невспененный слой 20 содержит от 30 до 95% по весу сополимера стирола и бутадиена, от 4,9 до 65% по весу полистирола общего назначения, от 0,1 до 5% по весу ударопрочного полистирола (УППС) и небольшое количество белого пигмента.
12. Способ получения термоусадочной пленки по п. 9, в котором толщина слоя пенопласта 10 составляет от 60 до 90% общей толщины пленки, а толщина каждого невспененного слоя 20 составляет от 5 до 20% общей толщины пленки.
13. Способ получения термоусадочной пленки по п. 9, в котором коэффициент вспенивания слоя пенопласта 10 составляет от 5 до 20%.
14. Способ получения термоусадочной пленки по п. 13, в котором пленка имеет толщину от 30 до 60 мкм.
15. Способ получения термоусадочной пленки по п. 13, в котором пленка имеет удельный вес от 0,9 до менее 1.
16. Термоусадочная пленка для этикеток с низким удельным весом, полученная способом по любому из пп. 10-15.
RU2014107452/05A 2013-04-25 2013-11-28 Термоусадочная пленка для этикеток с низким удельным весом и способ ее изготовления RU2597384C2 (ru)

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