RU2019110778A - Мультимодальная полиэтиленовая пленка - Google Patents

Мультимодальная полиэтиленовая пленка Download PDF

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RU2019110778A
RU2019110778A RU2019110778A RU2019110778A RU2019110778A RU 2019110778 A RU2019110778 A RU 2019110778A RU 2019110778 A RU2019110778 A RU 2019110778A RU 2019110778 A RU2019110778 A RU 2019110778A RU 2019110778 A RU2019110778 A RU 2019110778A
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molecular weight
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polyethylene
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RU2757914C2 (ru
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Арунсри МАТТАЯН
Ватчари ЧИВАСРИРУНГРЫАНГ
Саранья ТРАЙСИЛАНУН
Варахад КЛОМКАМОЛ
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Тай Полиэтилен Ко., Лтд.
ЭсСиДжи КЕМИКАЛЗ КО., ЛТД.
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    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/01—High molecular weight, e.g. >800,000 Da.
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
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    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/068—Ultra high molecular weight polyethylene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/00—Stock material or miscellaneous articles
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Claims (15)

1. Мультимодальная полиэтиленовая композиция, включающая:
(А) от 40 до 65 частей по массе, предпочтительно от 43 до 52 частей по массе, наиболее предпочтительно от 44 до 50 частей по массе, полиэтилена с низкой молекулярной массой, имеющего средневзвешенную молекулярную массу (Mw) от 20000 до 90000 г/моль, причем полиэтилен с низкой молекулярной массой имеет значение MI2 от 500 до 1000 г/10 минут согласно стандарту ASTM D 1238;
(В) от 5 до 17 частей по массе, предпочтительно от 10 до 17 частей по массе, наиболее предпочтительно от 10 до 15 частей по массе, первого полиэтилена с высокой молекулярной массой, имеющего средневзвешенную молекулярную массу (Mw) от более 150000 до 1000000 г/моль, или первого полиэтилена со сверхвысокой молекулярной массой, имеющего средневзвешенную молекулярную массу (Mw) от более 1000000 до 5000000 г/моль; и
(С) от 30 до 50 частей по массе, предпочтительно от 37 до 47 частей по массе, наиболее предпочтительно от 39 до 45 частей по массе, второго полиэтилена с высокой молекулярной массой, имеющего средневзвешенную молекулярную массу (Mw) от более 150000 до 1000000 г/моль, или второго полиэтилена со сверхвысокой молекулярной массой, имеющего средневзвешенную молекулярную массу (Mw) от более 1000000 до 5000000 г/моль,
причем
плотность первого полиэтилена с высокой молекулярной массой или первого полиэтилена со сверхвысокой молекулярной массой, и второго полиэтилена с высокой молекулярной массой или второго полиэтилена со сверхвысокой молекулярной массой, составляет величину в одном и том же диапазоне, и обе плотности находятся в диапазоне от 0,910 до 0,940 г/см3; и
молекулярно-массовое распределение мультимодальной полиэтиленовой композиции составляет от 18 до 30, предпочтительно от 20 до 28, по измерению методом гель-проникающей хроматографии.
2. Композиция по п. 1, в которой молекулярно-массовое распределение мультимодальной полиэтиленовой композиции составляет от 20 до 26, предпочтительно от 22 до 24, и более предпочтительно от 22 до 23.
3. Композиция по п.1 или п. 2, в которой мультимодальная полиэтиленовая композиция имеет средневзвешенную молекулярную массу от 150000 до 400000 г/моль, предпочтительно от 200000 до 300000 г/моль, по измерению методом гель-проникающей хроматографии.
4. Композиция по любому из пп. 1-3, в которой мультимодальная полиэтиленовая композиция имеет среднечисленную молекулярную массу от 5000 до 15000 г/моль, предпочтительно от 7000 до 13000 г/моль, по измерению методом гель-проникающей хроматографии.
5. Композиция по любому из пп. 1-4, в которой мультимодальная полиэтиленовая композиция предпочтительно имеет Z-среднюю молекулярную массу от 1000000 до 3000000 г/моль, предпочтительно от 1000000 до 2500000 г/моль, по измерению методом гель-проникающей хроматографии.
6. Композиция по любому из пп. 1-5, в которой мультимодальная полиэтиленовая композиция имеет плотность по меньшей мере 0,940 г/см3, предпочтительно от 0,940 до 0,948 г/см3, согласно стандарту ASTM D 1505, и/или значение MI2 от 0,03 до 0,10 г/10 минут.
7. Композиция по п. 6, в которой значение MI2 составляет от 0,03 до 0,08 г/10 минут.
8. Пленка, включающая мультимодальную полиэтиленовую композицию по любому из пп. 1-7, причем пленка имеет толщину от 40 до 120 мкм, предпочтительно от 45 до 80 мкм.
9. Применение пленки по п. 8 в качестве промышленного мешка или в качестве геомембраны.
RU2019110778A 2016-09-12 2017-09-08 Мультимодальная полиэтиленовая пленка RU2757914C2 (ru)

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Application Number Priority Date Filing Date Title
EP16188335.0A EP3293210B1 (en) 2016-09-12 2016-09-12 Multimodal polyethylene film
EP16188335.0 2016-09-12
PCT/EP2017/072587 WO2018046664A1 (en) 2016-09-12 2017-09-08 Multimodal polyethylene film

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RU2019110778A3 RU2019110778A3 (ru) 2020-11-19
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KR (1) KR102381240B1 (ru)
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AU (2) AU2017322256A1 (ru)
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BR112019002969A2 (pt) 2019-05-14
SA519401275B1 (ar) 2022-06-24
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