RU2012140373A - IMPROVED METHOD FOR PRODUCING POLYOLEFIN - Google Patents

IMPROVED METHOD FOR PRODUCING POLYOLEFIN Download PDF

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RU2012140373A
RU2012140373A RU2012140373/05A RU2012140373A RU2012140373A RU 2012140373 A RU2012140373 A RU 2012140373A RU 2012140373/05 A RU2012140373/05 A RU 2012140373/05A RU 2012140373 A RU2012140373 A RU 2012140373A RU 2012140373 A RU2012140373 A RU 2012140373A
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molecular weight
olefin polymer
high molecular
low molecular
polyolefin
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RU2012140373/05A
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Russian (ru)
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RU2573325C2 (en
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Васим РАХИМ
Роберт Э. САНДЕР
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Инеос Коммершиал Сервисиз Юк Лимитед
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/005—Processes for mixing polymers
    • 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
    • B29C48/03—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
    • B29C48/07—Flat, e.g. panels
    • 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
    • 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
    • B29C48/03—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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/03—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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • 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
    • C08J2423/02—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

Abstract

1. Способ получения гомогенной полиолефиновой композиции, включающий следующие стадии:а. обеспечение одного или более олефиновых полимерных компонентов высокой молекулярной массы и одного или более полиолефиновых компонентов низкой молекулярной массы;б. компаундирование олефинового полимерного компонента высокой молекулярной массы и полиолефинового компонента низкой молекулярной массы в непрерывном смесителе, включающем два или более не аналогичных вращающихся устройства, смещенных друг относительно друга в верхних точках, с целью получения расплава гомогенного полимодального полиолефина;в. продвижение расплава из смесителя в экструдер или шестеренный насосиг. продавливание расплава с целью его продвижения из экструдера или шестеренного насоса через фильеры грануляционного диска, в которых поток полимера разделяется на отдельные потоки и их разрезают с получением гранул гомогенной полимодальной полиолефиновой композиции.2. Способ по п.1, в котором олефиновый полимерный компонент низкой молекулярной массы подвергают полимеризации в одном реакторе, олефиновый полимерный компонент высокой молекулярной массы подвергают полимеризации в другом реакторе, причем два реактора работают последовательно или параллельно.3. Способ по п.1, в котором олефиновый полимерный компонент высокой молекулярной массы выбирают из группы, включающей этилен, пропилен, бутен-1, пентен-1, 4-метилпентен-1, гексен-1, октен-1 и децен-1.4. Способ по п.1, в котором олефиновый полимерный компонент низкой молекулярной массы выбирают из группы, включающей этилен, пропилен, бутен-1, пентен-1, 4-метилпентен-1, гексен-1, октен-1 и децен-1.5. Спосо�1. A method of obtaining a homogeneous polyolefin composition, comprising the following stages: a. providing one or more high molecular weight olefin polymer components and one or more low molecular weight polyolefin components b. compounding the olefin polymer component of high molecular weight and the polyolefin component of low molecular weight in a continuous mixer comprising two or more dissimilar rotating devices displaced relative to each other at the upper points, in order to obtain a melt of a homogeneous polymodal polyolefin; c. advancement of the melt from the mixer into the extruder or gear pump the melt is pushed to move it from the extruder or gear pump through the dies of the granulation disk, in which the polymer stream is divided into separate streams and they are cut to obtain granules of a homogeneous multimodal polyolefin composition. 2. The method according to claim 1, wherein the low molecular weight olefin polymer component is polymerized in one reactor, the high molecular weight olefin polymer component is polymerized in another reactor, the two reactors being sequential or parallel. The method according to claim 1, wherein the high molecular weight olefin polymer component is selected from the group consisting of ethylene, propylene, butene-1, pentene-1, 4-methylpentene-1, hexene-1, octene-1, and decene-1.4. The method of claim 1, wherein the low molecular weight olefin polymer component is selected from the group consisting of ethylene, propylene, butene-1, pentene-1, 4-methylpentene-1, hexene-1, octene-1, and decene-1.5. How

Claims (15)

1. Способ получения гомогенной полиолефиновой композиции, включающий следующие стадии:1. A method of obtaining a homogeneous polyolefin composition, comprising the following stages: а. обеспечение одного или более олефиновых полимерных компонентов высокой молекулярной массы и одного или более полиолефиновых компонентов низкой молекулярной массы;but. providing one or more high molecular weight olefin polymer components and one or more low molecular weight polyolefin components; б. компаундирование олефинового полимерного компонента высокой молекулярной массы и полиолефинового компонента низкой молекулярной массы в непрерывном смесителе, включающем два или более не аналогичных вращающихся устройства, смещенных друг относительно друга в верхних точках, с целью получения расплава гомогенного полимодального полиолефина;b. compounding the olefin polymer component of high molecular weight and the polyolefin component of low molecular weight in a continuous mixer comprising two or more non-similar rotating devices displaced relative to each other at the upper points, in order to obtain a melt of a homogeneous polymodal polyolefin; в. продвижение расплава из смесителя в экструдер или шестеренный насосat. advancement of the melt from the mixer into the extruder or gear pump иand г. продавливание расплава с целью его продвижения из экструдера или шестеренного насоса через фильеры грануляционного диска, в которых поток полимера разделяется на отдельные потоки и их разрезают с получением гранул гомогенной полимодальной полиолефиновой композиции.d. forcing the melt in order to move it from the extruder or gear pump through the dies of the granulation disk, in which the polymer stream is divided into separate streams and they are cut to obtain granules of a homogeneous multimodal polyolefin composition. 2. Способ по п.1, в котором олефиновый полимерный компонент низкой молекулярной массы подвергают полимеризации в одном реакторе, олефиновый полимерный компонент высокой молекулярной массы подвергают полимеризации в другом реакторе, причем два реактора работают последовательно или параллельно.2. The method according to claim 1, in which the low molecular weight olefin polymer component is polymerized in one reactor, the high molecular weight olefin polymer component is polymerized in another reactor, the two reactors being sequential or parallel. 3. Способ по п.1, в котором олефиновый полимерный компонент высокой молекулярной массы выбирают из группы, включающей этилен, пропилен, бутен-1, пентен-1, 4-метилпентен-1, гексен-1, октен-1 и децен-1.3. The method according to claim 1, wherein the high molecular weight olefin polymer component is selected from the group consisting of ethylene, propylene, butene-1, pentene-1, 4-methylpentene-1, hexene-1, octene-1, and decene-1 . 4. Способ по п.1, в котором олефиновый полимерный компонент низкой молекулярной массы выбирают из группы, включающей этилен, пропилен, бутен-1, пентен-1, 4-метилпентен-1, гексен-1, октен-1 и децен-1.4. The method according to claim 1, in which the olefin polymer component of low molecular weight is selected from the group comprising ethylene, propylene, butene-1, pentene-1, 4-methylpentene-1, hexene-1, octene-1 and decene-1 . 5. Способ по п.1, в котором олефиновый компонент низкой молекулярной массы и олефиновый компонент высокой молекулярной массы представляют собой полимеры этилена, полимеризацию каждого из которых проводили в суспензионном процессе полимеризации.5. The method according to claim 1, in which the olefin component of low molecular weight and the olefin component of high molecular weight are ethylene polymers, the polymerization of each of which was carried out in a suspension polymerization process. 6. Способ по п.5, в котором каждый процесс суспензионной полимеризации протекает в суспензионном циркуляционном контуре или суспензионном автоклаве.6. The method according to claim 5, in which each process of suspension polymerization proceeds in a suspension circulation loop or suspension autoclave. 7. Способ по п.5, в котором процесс полимеризации действует последовательно.7. The method according to claim 5, in which the polymerization process operates sequentially. 8. Способ по п.1, в котором олефиновый компонент низкой молекулярной массы и олефиновый компонент высокой молекулярной массы представляют собой полимеры этилена, полимеризацию каждого из которых проводили с применением газофазного процесса полимеризации.8. The method according to claim 1, in which the olefin component of low molecular weight and the olefin component of high molecular weight are ethylene polymers, the polymerization of each of which was carried out using a gas-phase polymerization process. 9. Способ по п.8, в котором процессы полимеризации работают последовательно.9. The method according to claim 8, in which the polymerization processes operate sequentially. 10. Способ по п.1, в котором гомогенный полимодальный полиолефиновый гранулированный продукт включает бимодальную смесь полиэтилена, изготовленную из сополимера этилена высокой молекулярной массы и полимера этилена низкой молекулярной массы и имеющую индекс расплава (MI5) 190/5, составляющий от 0,15 до 0,45 г/10 мин, плотность от 0,947 до 0,955 г/см3 и сопротивление растрескиванию при напряжении под действием окружающей среды УРОС (РЕНТ) более 500 ч.10. The method according to claim 1, in which a homogeneous multimodal polyolefin granular product comprises a bimodal mixture of polyethylene made from a copolymer of high molecular weight ethylene and a low molecular weight ethylene polymer and having a melt index (MI5) of 190/5, comprising from 0.15 to 0.45 g / 10 min, a density of from 0.947 to 0.955 g / cm 3 and resistance to cracking under stress under the influence of the environment UROS (RENT) for more than 500 hours 11. Способ по п.1, в котором вращающиеся устройства работают с различными скоростями.11. The method according to claim 1, in which the rotating device operates at different speeds. 12. Способ по п.11, в котором скорости вращающихся устройств составляют от 228 до 258 об./мин.12. The method according to claim 11, in which the speeds of the rotating devices are from 228 to 258 rpm. 13. Способ по п.1, в котором площадь геля в пленке, полученной из полиолефиновой композиции, составляет менее чем 265 на 1523 см2 (265 на 236 кв. дюймов).13. The method according to claim 1, in which the gel area in the film obtained from the polyolefin composition is less than 265 per 1523 cm 2 (265 per 236 square inches). 14. Способ по п.1, в котором b-цветность полиолефиновой композиции по настоящему изобретению составляет менее чем 5,0.14. The method according to claim 1, in which the b-color of the polyolefin composition of the present invention is less than 5.0. 15. Способ по п.1, в котором удельная энергия полиолефиновой композиции в смесителе составляет менее чем 0,2 кВт·ч/кг. 15. The method according to claim 1, in which the specific energy of the polyolefin composition in the mixer is less than 0.2 kW · h / kg
RU2012140373/13A 2010-02-22 2011-02-18 Improved method of polyolefin production RU2573325C2 (en)

Applications Claiming Priority (3)

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US33870010P 2010-02-22 2010-02-22
US61/338,700 2010-02-22
PCT/EP2011/052425 WO2011101438A1 (en) 2010-02-22 2011-02-18 Improved polyolefin manufacturing process

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CN102947067B (en) 2015-06-03
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WO2011101438A1 (en) 2011-08-25
JP2013520525A (en) 2013-06-06
CN102947067A (en) 2013-02-27

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