RU2015145144A - A method of obtaining a reactor powder of ultra-high molecular weight polyethylene - Google Patents

A method of obtaining a reactor powder of ultra-high molecular weight polyethylene Download PDF

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RU2015145144A
RU2015145144A RU2015145144A RU2015145144A RU2015145144A RU 2015145144 A RU2015145144 A RU 2015145144A RU 2015145144 A RU2015145144 A RU 2015145144A RU 2015145144 A RU2015145144 A RU 2015145144A RU 2015145144 A RU2015145144 A RU 2015145144A
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ultra
polymerization
molecular weight
reactor powder
methoxylated
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RU2015145144A
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RU2624215C2 (en
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Сергей Степанович Иванчев
Марина Геннадиевна Еремеева
Екатерина Игоревна Руппель
Валерий Петрович Тюльманков
Александр Никифорович Озерин
Александр Степанович Кечекьян
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Федеральное государственное бюджетное учреждение науки Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/642—Component covered by group C08F4/64 with an organo-aluminium compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/642—Component covered by group C08F4/64 with an organo-aluminium compound
    • C08F4/6428—Component covered by group C08F4/64 with an organo-aluminium compound with an aluminoxane, i.e. a compound containing an Al-O-Al- group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2400/00—Characteristics for processes of polymerization
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/01—High molecular weight, e.g. >800,000 Da.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Claims (13)

1. Способ получения реакторного порошка сверхвысокомолекулярного полиэтилена РП СВМПЭ с улучшенной морфологией и способностью к твердофазной переработке без растворителей с получением сверхпрочных и сверхмодульных изделий полимеризацией этилена в среде алифатических растворителей с использованием катализатора на основе фторзамещенных бисфеноксииминных комплексов хлорида титана, активированных сокатализатором метилалюмоксаном МАО, отличающийся тем, что катализатор полимеризации вводят в реакционную среду в сухом виде.1. A method of producing a reactor powder of ultra-high molecular weight polyethylene RP UHMWPE with improved morphology and the ability to solid-phase processing without solvents to obtain ultra-strong and ultra-modular products by polymerization of ethylene in an aliphatic solvent medium using a catalyst based on fluorine-substituted bisphenoxyimine complexes of titanium methoxylated methoxylated methoxylated methoxylate methylated catalysts that the polymerization catalyst is introduced into the reaction medium in a dry form. 2. Способ по п. 1, отличающийся тем, что в качестве катализаторов используют один из трех фторзамещенных феноксииминных титан-галоидных комплексов общего строения:2. The method according to p. 1, characterized in that as the catalysts use one of the three fluorine-substituted phenoxyimine titanium halide complexes of the general structure:
Figure 00000001
Figure 00000001
 где (I) R1 - этилфенил, R2 - H,where (I) R 1 is ethyl phenyl, R 2 is H, (II) R1 - этилфенил, R2 - Me,(II) R 1 is ethyl phenyl, R 2 is Me, (III) R1 - третбутилэтилфенил, R2 - H(III) R 1 - tert-butylethylphenyl, R 2 - H при концентрациях не выше 0,5⋅10-5 моль/л в системе, в качестве сокатализатора используют метилалюмоксан МАО при соотношении MAO:Ti от 250:1 до 500:1.at concentrations not higher than 0.5⋅10 -5 mol / L in the system, MAO methylaluminoxane is used as a cocatalyst at an MAO: Ti ratio of from 250: 1 to 500: 1. 3 Способ по п. 1, отличающийся тем, что в процессе полимеризации выдерживают температурный режим в интервале 20-40°C и давление этилена не выше 0,25 МПа3 The method according to p. 1, characterized in that during the polymerization the temperature is maintained in the range of 20-40 ° C and the ethylene pressure is not higher than 0.25 MPa 4. Способ по п. 1, отличающийся тем, что продолжительность полимеризации не превышает 30 мин.4. The method according to p. 1, characterized in that the duration of the polymerization does not exceed 30 minutes 5. Способ по п. 1, отличающийся тем, что в качестве алифатических растворителей используют, например, гептан, гексан, бензин.5. The method according to p. 1, characterized in that as aliphatic solvents use, for example, heptane, hexane, gasoline. 6. Способ по п. 1, отличающийся тем, что молекулярная масса получаемого РП СВМПЭ сохраняется в пределах 4,5⋅106-6,0⋅106 дл/г.6. The method of claim. 1, characterized in that the molecular weight of the resulting UHMWPE RP maintained within 4,5⋅10 -6,0⋅10 6 6 dl / g. 7. Способ по п. 1, отличающийся тем, что получаемый реакторный порошок имеет насыпную плотность в пределах 0,044-0,08 г/см3.7. The method according to p. 1, characterized in that the resulting reactor powder has a bulk density in the range of 0.044-0.08 g / cm 3 . 8. Способ по п. 1, отличающийся тем, что получаемый размер реакторного порошка соответствует 800 μкм с узким распределением по размерам.8. The method according to p. 1, characterized in that the resulting reactor powder size corresponds to 800 μkm with a narrow size distribution.
RU2015145144A 2015-10-20 2015-10-20 Method of producing a reactor powder of super-high-molecular polyethylene RU2624215C2 (en)

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RU2683105C1 (en) * 2018-06-19 2019-03-26 Федеральное государственное бюджетное учреждение науки Институт высокомолекулярных соединений Российской академии наук Method of conducting catalytic exothermic reaction polymerization of ethylene
RU2753875C1 (en) * 2021-01-27 2021-08-24 Федеральное государственное бюджетное учреждение науки «Федеральный исследовательский центр «Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук» (ИК СО РАН, Институт катализа СО РАН) Catalytic system, method for its preparation and method for producing reactor powder of ultra-high molecular weight polyethylene

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FI112233B (en) * 1992-04-01 2003-11-14 Basell Polyolefine Gmbh Catalyst for olefin polymerization, process for its preparation and its use
RU2364607C1 (en) * 2008-04-02 2009-08-20 Институт Катализа Им. Г.К. Борескова Сибирского Отделения Российской Академии Наук Catalyst based on bridge bis(phenoximine) complex, method of its preparation and process of ethylene polymerisation applying it
US9428594B2 (en) * 2010-12-03 2016-08-30 Teijin Aramid B.V. High molecular weight polyethylene
RU2552636C2 (en) * 2013-07-24 2015-06-10 Федеральное государственное бюджетное учреждение науки Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук (ИК СО РАН) Catalytic system and method of obtaining reactor powder of superhigh-molecular-weight polyethylene

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