HK38981A - Preparation of modifield and activated chromocene catalysts for ethylene polymerization - Google Patents

Preparation of modifield and activated chromocene catalysts for ethylene polymerization

Info

Publication number
HK38981A
HK38981A HK389/81A HK38981A HK38981A HK 38981 A HK38981 A HK 38981A HK 389/81 A HK389/81 A HK 389/81A HK 38981 A HK38981 A HK 38981A HK 38981 A HK38981 A HK 38981A
Authority
HK
Hong Kong
Prior art keywords
modifield
activated
preparation
ethylene polymerization
chromocene catalysts
Prior art date
Application number
HK389/81A
Other languages
English (en)
Original Assignee
Union Carbide Corp
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 filed Critical Union Carbide Corp
Publication of HK38981A publication Critical patent/HK38981A/xx

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)
HK389/81A 1976-09-22 1981-08-06 Preparation of modifield and activated chromocene catalysts for ethylene polymerization HK38981A (en)

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
HK38981A true HK38981A (en) 1981-08-14

Family

ID=24914969

Family Applications (1)

Application Number Title Priority Date Filing Date
HK389/81A HK38981A (en) 1976-09-22 1981-08-06 Preparation of modifield and activated chromocene catalysts for ethylene polymerization

Country Status (27)

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

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US20070073012A1 (en) * 2005-09-28 2007-03-29 Pannell Richard B Method for seed bed treatment before a polymerization reaction
US20050148742A1 (en) * 2004-01-02 2005-07-07 Hagerty Robert O. Method for controlling sheeting in gas phase reactors
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
US8129472B2 (en) * 2006-04-07 2012-03-06 Dow Global Technologies Llc Polyolefin compositions, articles made therefrom and methods for preparing the same
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
CA2799986C (en) 2010-06-10 2017-03-07 Union Carbide Chemicals & Plastics Technology Llc Thiobis phenolic antioxidant/polyethylene glycol blends
KR102019810B1 (ko) 2011-05-20 2019-09-10 유니온 카바이드 케미칼즈 앤드 플라스틱스 테크날러지 엘엘씨 티오비스 페놀계 항산화제/폴리에틸렌 글리콜 블렌드
US8895679B2 (en) 2012-10-25 2014-11-25 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
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CA2969002C (en) 2014-11-28 2021-12-14 Dow Global Technologies Llc Process for foaming polyolefin compositions using a fluororesin as a nucleating agent
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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US10822433B2 (en) 2015-12-22 2020-11-03 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
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JP7237101B2 (ja) 2018-06-29 2023-03-10 ダウ グローバル テクノロジーズ エルエルシー 発泡ビーズ及び焼結発泡構造体
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
JP7157875B2 (ja) 2018-09-20 2022-10-20 ダウ グローバル テクノロジーズ エルエルシー エチレン系ポリマー発泡体を加硫ゴムで付着させるための接合方法
JP2022522649A (ja) 2019-02-20 2022-04-20 フイナ・テクノロジー・インコーポレーテツド 低い反りを有するポリマー組成物

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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
MY8200080A (en) 1982-12-31
BE858910A (fr) 1978-03-21
NL174723B (nl) 1984-03-01
SE8300395D0 (sv) 1983-01-26
NO153611C (no) 1986-04-23
SE7710593L (sv) 1978-03-23
FI772791A (fi) 1978-03-23
DE2742543A1 (de) 1978-03-23
NZ185222A (en) 1980-02-21
AR222295A1 (es) 1981-05-15
DK149205B (da) 1986-03-10
EG13094A (en) 1982-12-31
JPS5615807B2 (es) 1981-04-13
NO145680B (no) 1982-02-01
AU2890977A (en) 1979-03-29
CA1098106A (en) 1981-03-24
NO153611B (no) 1986-01-13
SE445460B (sv) 1986-06-23
SE438314B (sv) 1985-04-15
NO773239L (no) 1978-03-28
IN147225B (es) 1979-12-29
DK149205C (da) 1986-09-08
NO145680C (no) 1982-05-12
MX4472E (es) 1982-05-18
NL174723C (nl) 1984-08-01
DE2742543C2 (de) 1983-02-17
RO73241A (ro) 1981-06-26
IT1085044B (it) 1985-05-28
ZA775232B (en) 1978-07-26
CS221952B2 (en) 1983-04-29
NL7710349A (nl) 1978-03-28
PH13455A (en) 1980-04-23
ES464417A1 (es) 1978-09-01
FR2365590A1 (fr) 1978-04-21
FR2365590B1 (es) 1984-06-22
BR7706288A (pt) 1978-06-27
JPS5339992A (en) 1978-04-12
NO800836L (no) 1978-03-28
DK417277A (da) 1978-03-23
CS221951B2 (en) 1983-04-29
ES462508A1 (es) 1978-07-01
US4101445A (en) 1978-07-18
AU519542B2 (en) 1981-12-10
FI63246C (fi) 1983-05-10
FI63246B (fi) 1983-01-31
SE8300395L (sv) 1983-01-26
GB1574877A (en) 1980-09-10

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