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RU2018123173A - Композиция винилиденхлоридного полимера, содержащая, по меньшей мере, один сорбатный сложный эфир - Google Patents

Композиция винилиденхлоридного полимера, содержащая, по меньшей мере, один сорбатный сложный эфир Download PDF

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RU2018123173A
RU2018123173A RU2018123173A RU2018123173A RU2018123173A RU 2018123173 A RU2018123173 A RU 2018123173A RU 2018123173 A RU2018123173 A RU 2018123173A RU 2018123173 A RU2018123173 A RU 2018123173A RU 2018123173 A RU2018123173 A RU 2018123173A
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layer
composition
vdc
group
polymer
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RU2018123173A
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RU2736260C2 (ru
RU2018123173A3 (ru
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Элоди ШОВЕ
Дидье ЖИГМЕ
Йоанн ГИЙАНЕФ
Аньес ШАПОТО
Жером ВИНА
Паскаль ДЕВАЛЬ
Ив ВАНДЕРВЕКЕН
Original Assignee
Солвей Са
Сантр Насьональ Де Ля Решерш Сьянтифик
Юниверсите Д'Экс-Марсель
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Publication of RU2018123173A3 publication Critical patent/RU2018123173A3/ru
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    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/02—Monomers containing chlorine
    • C08F14/04—Monomers containing two carbon atoms
    • C08F14/06—Vinyl chloride
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    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
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    • B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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  • Laminated Bodies (AREA)
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  • Extrusion Moulding Of Plastics Or The Like (AREA)
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Claims (22)

1. Композиция [композиция (C)], содержащая
винилиденхлоридный полимер [ВДХ полимер]; и
от 0,05 до 5% масс., относительно массы ВДХ полимера, по меньшей мере, одного сорбатного сложного эфира [сорбат (I)] формулы(I)
Figure 00000001
,
где R1 представляет собой C1-C12-углеводородную группу, предпочтительно C1-C6-алкильную группу.
2. Композиция (C) по п. 1, в которой количество повторяющихся звеньев, полученных из винилиденхлорида, в винилиденхлоридном полимере варьируется от 50 до 99,5% масс., предпочтительно от 60 до 98% масс., более предпочтительно от 82 до 96% масс., и наиболее предпочтительно от 85 до 95% масс. относительно общей массы ВДХ полимера.
3. Композиция (C) по п. 1 или 2, в которой ВДХ полимер представляет собой сополимер, содержащий повторяющиеся звенья, полученные, по меньшей мере, из одного этиленненасыщенного мономера, способного сополимеризоваться с винилиденхлоридом, выбираемого из группы, включающей винилхлорид, малеиновый ангидрид, итаконовую кислоту, стирол, производные стирола и акриловые или метакриловые мономеры, соответствующие общей формуле (I)
CH2=CR1R2 (I),
где R1 выбирают из атома водорода и -CH3, и R2 выбирают из
-CN и -COR3, где R3 выбирают из -OH и -OR4, где R4 представляет собой линейную или разветвленную C1-C18-алкильную группу, необязательно несущую одну или несколько групп -OH, эпокси-C2-C10-алкильную группу и C2-C10-алкоксиалкильную группу, и где R3 также выбирают из радикалов -NR5R6, в которых R5 и R6, одинаковые или разные, выбирают из атома водорода и C1-C10-алкильных групп, необязательно несущих одну или несколько групп -OH.
4. Композиция (C) по п. 3, в которой указанный этиленненасыщенный мономер, способный сополимеризоваться с винилиденхлоридом, выбирают из группы, включающей малеиновый ангидрид, итаконовую кислоту, акриловые или метакриловые мономеры, выбираемые из группы, включающей метилакрилат, метилметакрилат, этилакрилат, этилметакрилат, н-бутилакрилат, н-бутилметакрилат, 2-этилгексилакрилат, 2-этилгексилметакрилат, 2-гидроксиэтилакрилат, 2-гидроксиэтилметакрилат, глицидил-метакрилат, глицидилакрилат, акрилонитрил, метакрилонитрил, акриловую кислоту, метакриловую кислоту, акриламид, N-метилолакриламид и N,N-ди(алкил)акриламид.
5. Композиция (C) по п. 4, в которой ВДХ полимер выбирают из группы, включающей сополимеры (винилиденхлорид (ВДХ))/(метилакрилат (MA)), в частности сополимеры ВДХ/MA, имеющие массовое отношение ВДХ/MA от 90/10 до 94/6.
6. Композиция (C) по любому из предыдущих пунктов, в которой указанный сорбат (I) представляет собой этилсорбат.
7. Композиция (C) по любому из предыдущих пунктов, в котором количество указанного сорбата (I) в указанной композиции (C) составляет, по меньшей мере, 0,25% масс., более предпочтительно, по меньшей мере, 0,5% масс. относительно массы ВДХ полимера; и/или самое большее 4% масс., более предпочтительно самое большее 3% масс. относительно массы ВДХ полимера.
8. Способ производства композиции (C) по любому из пп. 1-7, в котором ВДХ полимеры, сорбат (I) и, когда они присутствуют, другие ингредиенты компаундируют вместе.
9. Слой [слой (B)], выполненный из композиции (C) по любому из пп. 1-7.
10. Способ производства слоя (B) по п. 9 с помощью процесса экструзии с раздувом, в котором композицию (C) вначале подают в экструдер и переводят в расплавленное состояние за счет одновременного действия тепла и сдвигающих сил; расплавленную композицию (C) экструдируют через кольцеобразную экструзионную головку, и газ вдувают в полученный таким образом рукав, пока он покидает поверхность экструзионной головки, так, что получают слой (B).
11. Многослойная объединенная структура [объединенная структура (A)], содержащая, по меньшей мере, один слой (B) по п. 9, причем указанный слой (B) объединен, по меньшей мере, с одним дополнительным слоем [слой (O)].
12. Объединенная структура по п. 11, в которой материалы, используемые для создания слоя (O), объединенного со слоем (B), выбирают из группы, включающей полиолефины, в частности полиэтилен, полипропилен, полибутилен; полистиролы; сложные эфиры целлюлозы, например, ацетат целлюлозы, пропионат целлюлозы, нитрат целлюлозы; поливинилацетат; полиметилметакрилат, полибутилметакрилат; поливиниловый спирт; поливинилацеталь; полиаллиловый спирт; полиаллилацетат; сложные полиэфиры, например, полиэтилентерефталат; полиамиды, например, нейлон.
13. Объединенная структура по п. 12, в которой, по меньшей мере, один слой (O) выполнен из термопластичной композиции, содержащей полиэтилен (ПЭ), и/или в которой, по меньшей мере, один слой (O) выполнен из термопластичной композиции, содержащей этиленвинилацетатный сополимер (ЭВА).
14. Объединенная структура по любому из пп. 11-13, которая представляет собой многослойные объединенные структуры, в которых слой (B) из композиции (C) вставлен между наружным слоем (O) и внутренним слоем (O) возможно за счет использования одного или больше чем одного дополнительного клеевого или соединительного слоя [слой (T)].
15. Способ изготовления объединенной структуры по любому из пп. 11-14, в котором слой (B) вводят в объединенные структуры, полученные путем ламинирования соэкструзией, ламинирования способом проклейки, изготовления листов плоскощелевой экструзией, экструзии рукавной пленки с закалкой водой, экструзии с раздувом воздухом или любым другим подобным способом изготовления пленки.
16. Упаковка, изготовленная из объединенной структуры (A), по любому из пп. 11-13, причем указанную упаковку предпочтительно выбирают из группы, состоящей из обычных пакетов, пакетов для упаковывания и приготовления в них пищи, пакетов большого размера для укладки мелких товаров, термоусадочных мешков, жиростойких пакетов, антикоррозионных и/или противоплесневых пленок, пакетов и мешков, защитной пленки для красного мяса, регулирующих содержание влаги пленок, исходного материала для вакуумного формования, оконных пленок, улучшенных атмосферостойких пленок, пленок с улучшенной стойкостью к неправильному использованию в широком интервале температур, футеровок для бочек и других контейнеров, упаковок для хлеба, упаковочного материала для сыров, контейнеров для лекарств, фармацевтических средств, косметики, парфюмерии и т.п., которые должны быть устойчивы к прохождению газа и жидкости, изоляционного покрытия труб, плиток для пола, вкладышей в бутылочную пробку, например, вкладышей в кронен-пробки.
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