RO73241A - Procedeu de obtinere a unui catalizator pentru polimerizarea etilenei - Google Patents

Procedeu de obtinere a unui catalizator pentru polimerizarea etilenei

Info

Publication number
RO73241A
RO73241A RO7791632A RO9163277A RO73241A RO 73241 A RO73241 A RO 73241A RO 7791632 A RO7791632 A RO 7791632A RO 9163277 A RO9163277 A RO 9163277A RO 73241 A RO73241 A RO 73241A
Authority
RO
Romania
Prior art keywords
polymerization
catalyst
ethyl
obtaining
ethyl polymerization
Prior art date
Application number
RO7791632A
Other languages
English (en)
French (fr)
Inventor
Isaac J Levine
Frederick J Karol
Original Assignee
Union Carbide Corp,Us
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Union Carbide Corp,Us filed Critical Union Carbide Corp,Us
Publication of RO73241A publication Critical patent/RO73241A/ro

Links

Classifications

    • 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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02—Ethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerization Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
RO7791632A 1976-09-22 1977-09-22 Procedeu de obtinere a unui catalizator pentru polimerizarea etilenei RO73241A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/725,542 US4101445A (en) 1976-09-22 1976-09-22 Preparation of modified and activated chromocene catalysts for ethylene polymerization

Publications (1)

Publication Number Publication Date
RO73241A true RO73241A (ro) 1981-06-26

Family

ID=24914969

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7791632A RO73241A (ro) 1976-09-22 1977-09-22 Procedeu de obtinere a unui catalizator pentru polimerizarea etilenei

Country Status (27)

Country Link
US (1) US4101445A (ro)
JP (1) JPS5339992A (ro)
AR (1) AR222295A1 (ro)
AU (1) AU519542B2 (ro)
BE (1) BE858910A (ro)
BR (1) BR7706288A (ro)
CA (1) CA1098106A (ro)
CS (2) CS221952B2 (ro)
DE (1) DE2742543C2 (ro)
DK (1) DK149205C (ro)
EG (1) EG13094A (ro)
ES (2) ES462508A1 (ro)
FI (1) FI63246C (ro)
FR (1) FR2365590A1 (ro)
GB (1) GB1574877A (ro)
HK (1) HK38981A (ro)
IN (1) IN147225B (ro)
IT (1) IT1085044B (ro)
MX (1) MX4472E (ro)
MY (1) MY8200080A (ro)
NL (1) NL174723C (ro)
NO (2) NO145680C (ro)
NZ (1) NZ185222A (ro)
PH (1) PH13455A (ro)
RO (1) RO73241A (ro)
SE (2) SE438314B (ro)
ZA (1) ZA775232B (ro)

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US7629422B2 (en) 2004-12-21 2009-12-08 Univation Technologies, Llc Process for transitioning between Ziegler-Natta-based and chromium-based catalysts
US7053163B1 (en) 2005-02-22 2006-05-30 Fina Technology, Inc. Controlled comonomer distribution along a reactor for copolymer production
JP5351010B2 (ja) * 2006-04-07 2013-11-27 ダウ グローバル テクノロジーズ エルエルシー ポリオレフィン組成物、それらから製造される物品およびそれらの調製方法
US7446167B2 (en) * 2006-04-13 2008-11-04 Fina Technology, Inc. Catalyst deactivation agents and methods for use of same
KR100718022B1 (ko) * 2006-04-25 2007-05-14 한화석유화학 주식회사 트리 내성 가교 폴리올레핀 조성물
US7863522B2 (en) * 2006-12-20 2011-01-04 Dow Global Technologies Inc. Semi-conducting polymer compositions for the preparation of wire and cable
KR101987080B1 (ko) 2010-06-10 2019-06-10 유니온 카바이드 케미칼즈 앤드 플라스틱스 테크날러지 엘엘씨 티오비스페놀계 항산화제/폴리에틸렌 글리콜 블렌드
EP2710067B1 (en) 2011-05-20 2019-10-02 Union Carbide Chemicals & Plastics Technology LLC Method of mixing a solid thiobis phenolic antioxidant with polyethylene
US8895679B2 (en) 2012-10-25 2014-11-25 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
US8937139B2 (en) 2012-10-25 2015-01-20 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
US9034991B2 (en) 2013-01-29 2015-05-19 Chevron Phillips Chemical Company Lp Polymer compositions and methods of making and using same
US8877672B2 (en) 2013-01-29 2014-11-04 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
EP3257892B1 (en) 2013-09-13 2021-09-01 Dow Global Technologies LLC Peroxide-crosslinkable compositions and processes for their manufacture
WO2015181151A1 (en) 2014-05-27 2015-12-03 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
US10414892B2 (en) 2014-11-28 2019-09-17 Dow Global Technologies Llc Process for foaming polyolefin compositions using a fluororesin/azodicarbonamide mixture as a nucleating agent
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EA034766B1 (ru) 2014-12-22 2020-03-18 Сабик Глоубл Текнолоджиз Б.В. Способ перехода между несовместимыми катализаторами
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WO2016102548A1 (en) 2014-12-22 2016-06-30 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
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JP6619027B2 (ja) 2015-05-08 2019-12-11 ダウ グローバル テクノロジーズ エルエルシー アゾジカルボンアミド／クエン酸塩混合物を核剤として使用してポリオレフィン組成物を発泡させる方法
WO2017108347A1 (en) 2015-12-22 2017-06-29 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
US20190345277A1 (en) 2016-11-16 2019-11-14 Dow Global Technologies Llc Composition with Balance of Dissipation Factor and Additive Acceptance
TWI805586B (zh) 2017-06-29 2023-06-21 美商陶氏全球科技有限責任公司 可交聯組合物、製品以及導電方法
WO2020000339A1 (en) 2018-06-29 2020-01-02 Dow Global Technologies Llc Foam bead and sintered foam structure
CN110878130B (zh) * 2018-09-06 2023-04-07 中国石油化工股份有限公司 负载型铬和茂双金属催化剂、其制备方法及其应用
US11993699B2 (en) 2018-09-14 2024-05-28 Fina Technology, Inc. Polyethylene and controlled rheology polypropylene polymer blends and methods of use
BR112021005306B1 (pt) 2018-09-20 2023-02-28 Dow Global Technologies Llc Processo para aderir uma estrutura de espuma a um substrato de borracha
WO2020172306A1 (en) 2019-02-20 2020-08-27 Fina Technology, Inc. Polymer compositions with low warpage
CN116410372A (zh) * 2021-12-31 2023-07-11 中国石油天然气股份有限公司 双峰聚乙烯的制备方法
CN116410361B (zh) * 2021-12-31 2025-09-26 中国石油天然气股份有限公司 铬钛双中心催化剂及其制备方法与应用
CN116410362A (zh) * 2021-12-31 2023-07-11 中国石油天然气股份有限公司 双峰聚乙烯及其应用
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US2882096A (en) * 1956-09-25 1959-04-14 Lyon George Albert Wheel cover
US2879362A (en) * 1956-11-14 1959-03-24 Rauland Corp Photosensitive device
US3622521A (en) * 1967-08-21 1971-11-23 Phillips Petroleum Co Olefin polymerization with chromium and titanium-containing compounds
US3887494A (en) * 1970-11-12 1975-06-03 Phillips Petroleum Co Olefin polymerization catalyst
CA995396A (en) * 1971-03-18 1976-08-17 Robert N. Johnson Catalyst modified with strong reducing agent and silane compounds and use in polymerization of olefins
US3709853A (en) * 1971-04-29 1973-01-09 Union Carbide Corp Polymerization of ethylene using supported bis-(cyclopentadienyl)chromium(ii)catalysts
GB1429174A (en) * 1972-06-12 1976-03-24 Bp Chem Int Ltd Polymerisation process and catalyst
US3806500A (en) * 1972-07-21 1974-04-23 Union Carbide Corp Polymerization with thermally aged catalyst
US3950316A (en) * 1974-05-03 1976-04-13 Phillips Petroleum Company Catalyst support formed by adding acidic material to silica containing titanium

Also Published As

Publication number Publication date
NO773239L (no) 1978-03-28
SE445460B (sv) 1986-06-23
CA1098106A (en) 1981-03-24
SE438314B (sv) 1985-04-15
FI63246B (fi) 1983-01-31
ES464417A1 (es) 1978-09-01
PH13455A (en) 1980-04-23
NO800836L (no) 1978-03-28
IT1085044B (it) 1985-05-28
IN147225B (ro) 1979-12-29
NL7710349A (nl) 1978-03-28
ZA775232B (en) 1978-07-26
AU519542B2 (en) 1981-12-10
FI63246C (fi) 1983-05-10
DK149205C (da) 1986-09-08
CS221951B2 (en) 1983-04-29
JPS5615807B2 (ro) 1981-04-13
SE7710593L (sv) 1978-03-23
GB1574877A (en) 1980-09-10
NO145680C (no) 1982-05-12
NO153611B (no) 1986-01-13
MY8200080A (en) 1982-12-31
BE858910A (fr) 1978-03-21
NZ185222A (en) 1980-02-21
MX4472E (es) 1982-05-18
BR7706288A (pt) 1978-06-27
DK417277A (da) 1978-03-23
DE2742543A1 (de) 1978-03-23
AU2890977A (en) 1979-03-29
EG13094A (en) 1982-12-31
FI772791A7 (fi) 1978-03-23
SE8300395D0 (sv) 1983-01-26
NL174723B (nl) 1984-03-01
JPS5339992A (en) 1978-04-12
DE2742543C2 (de) 1983-02-17
DK149205B (da) 1986-03-10
HK38981A (en) 1981-08-14
US4101445A (en) 1978-07-18
NO153611C (no) 1986-04-23
ES462508A1 (es) 1978-07-01
FR2365590A1 (fr) 1978-04-21
SE8300395L (sv) 1983-01-26
AR222295A1 (es) 1981-05-15
CS221952B2 (en) 1983-04-29
FR2365590B1 (ro) 1984-06-22
NL174723C (nl) 1984-08-01
NO145680B (no) 1982-02-01

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