NZ185222A - Supported chromium catalysts for ethylene polymerization - Google Patents

Supported chromium catalysts for ethylene polymerization

Info

Publication number
NZ185222A
NZ185222A NZ185222A NZ18522277A NZ185222A NZ 185222 A NZ185222 A NZ 185222A NZ 185222 A NZ185222 A NZ 185222A NZ 18522277 A NZ18522277 A NZ 18522277A NZ 185222 A NZ185222 A NZ 185222A
Authority
NZ
New Zealand
Prior art keywords
ethylene polymerization
supported chromium
chromium catalysts
catalysts
supported
Prior art date
Application number
NZ185222A
Other languages
English (en)
Inventor
I Levine
F Karol
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 NZ185222A publication Critical patent/NZ185222A/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)
NZ185222A 1976-09-22 1977-09-21 Supported chromium catalysts for ethylene polymerization NZ185222A (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
NZ185222A true NZ185222A (en) 1980-02-21

Family

ID=24914969

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ185222A NZ185222A (en) 1976-09-22 1977-09-21 Supported chromium catalysts for ethylene polymerization

Country Status (27)

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

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US7053163B1 (en) 2005-02-22 2006-05-30 Fina Technology, Inc. Controlled comonomer distribution along a reactor for copolymer production
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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
WO2011156442A1 (en) 2010-06-10 2011-12-15 Union Carbide Chemicals & Plastics Technology Llc Thiobis phenolic antioxidant/polyethylene glycol blends
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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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EP3149061B1 (en) 2014-05-27 2019-03-13 SABIC Global Technologies B.V. Process for transitioning between incompatible catalysts
JP6585714B2 (ja) 2014-11-28 2019-10-02 ダウ グローバル テクノロジーズ エルエルシー フッ素樹脂／アソジカルボンアミド混合物を核形成剤として使用してポリオレフィン組成物を発泡させるためのプロセス
EP3224316B1 (en) 2014-11-28 2020-11-18 Dow Global Technologies LLC Process for foaming polyolefin compositions using a fluororesin as a nucleating agent
CN107108785B (zh) 2014-12-22 2019-09-03 Sabic环球技术有限责任公司 由烃的再循环回收烃
CN107207650B (zh) 2014-12-22 2020-09-15 Sabic环球技术有限责任公司 不相容催化剂之间的转换方法
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CN107531841B (zh) 2015-03-24 2021-02-09 Sabic环球技术有限责任公司 用于在不相容的催化剂之间转换的方法
KR102350399B1 (ko) 2015-05-08 2022-01-18 다우 글로벌 테크놀로지스 엘엘씨 핵제로서 아조디카본아미드/시트레이트 혼합물을 사용하는 폴리올레핀 조성물을 발포시키는 방법
US10822433B2 (en) 2015-12-22 2020-11-03 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
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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
US12024621B2 (en) 2018-06-29 2024-07-02 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
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CN113474404A (zh) 2019-02-20 2021-10-01 弗纳技术股份有限公司 具有低翘曲的聚合物组合物
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
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
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
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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
HK38981A (en) 1981-08-14
DK417277A (da) 1978-03-23
CA1098106A (en) 1981-03-24
AR222295A1 (es) 1981-05-15
DK149205C (da) 1986-09-08
IT1085044B (it) 1985-05-28
ES464417A1 (es) 1978-09-01
CS221951B2 (en) 1983-04-29
NO800836L (no) 1978-03-28
JPS5339992A (en) 1978-04-12
MY8200080A (en) 1982-12-31
ES462508A1 (es) 1978-07-01
BE858910A (fr) 1978-03-21
PH13455A (en) 1980-04-23
SE445460B (sv) 1986-06-23
NL7710349A (nl) 1978-03-28
EG13094A (en) 1982-12-31
NL174723B (nl) 1984-03-01
DE2742543C2 (de) 1983-02-17
FI63246B (fi) 1983-01-31
DK149205B (da) 1986-03-10
AU519542B2 (en) 1981-12-10
SE7710593L (sv) 1978-03-23
US4101445A (en) 1978-07-18
NO145680B (no) 1982-02-01
DE2742543A1 (de) 1978-03-23
SE8300395L (sv) 1983-01-26
NL174723C (nl) 1984-08-01
FR2365590B1 (Direct) 1984-06-22
CS221952B2 (en) 1983-04-29
RO73241A (ro) 1981-06-26
AU2890977A (en) 1979-03-29
ZA775232B (en) 1978-07-26
JPS5615807B2 (Direct) 1981-04-13
MX4472E (es) 1982-05-18
FI63246C (fi) 1983-05-10
BR7706288A (pt) 1978-06-27
NO145680C (no) 1982-05-12
SE8300395D0 (sv) 1983-01-26
NO153611C (no) 1986-04-23
SE438314B (sv) 1985-04-15
FR2365590A1 (fr) 1978-04-21
NO153611B (no) 1986-01-13
NO773239L (no) 1978-03-28
IN147225B (Direct) 1979-12-29
FI772791A7 (fi) 1978-03-23
GB1574877A (en) 1980-09-10

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