CA1000449A - Catalyst and process for the preparation of polyethylenes having a narrow molecular-weight distribution - Google Patents

Catalyst and process for the preparation of polyethylenes having a narrow molecular-weight distribution

Info

Publication number: CA1000449A
Authority: CA; Canada
Prior art keywords: polyethylenes; catalyst; preparation; weight distribution; narrow molecular
Prior art date: 1971-05-26
Legal status (The legal status 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 status listed.): Expired

Application number

CA142,588A

Inventor

Sigmund Maier

Dieter Kippe

Gottfried Piekarski

Anton Hundmeyer

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Wacker Chemie AG

Original Assignee

Wacker Chemie AG

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.)

1971-05-26

Filing date

1972-05-19

Publication date

1976-11-23

1972-05-19 Application filed by Wacker Chemie AG filed Critical Wacker Chemie AG

1976-11-23 Application granted granted Critical

1976-11-23 Publication of CA1000449A publication Critical patent/CA1000449A/en

Status Expired legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/38—Polysiloxanes modified by chemical after-treatment
- 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

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

CA142,588A 1971-05-26 1972-05-19 Catalyst and process for the preparation of polyethylenes having a narrow molecular-weight distribution Expired CA1000449A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2126250A DE2126250C3 (en)	1971-05-26	1971-05-26	Process for the production of polyethylene or modified polyethylene with a narrow molecular weight distribution

Publications (1)

Publication Number	Publication Date
CA1000449A true CA1000449A (en)	1976-11-23

Family

ID=5809022

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA142,588A Expired CA1000449A (en)	1971-05-26	1972-05-19	Catalyst and process for the preparation of polyethylenes having a narrow molecular-weight distribution

Country Status (13)

Country	Link
US (1)	US3755274A (en)
JP (1)	JPS4948661B1 (en)
AT (1)	AT312928B (en)
BE (1)	BE783804A (en)
CA (1)	CA1000449A (en)
DD (1)	DD96711A5 (en)
DE (1)	DE2126250C3 (en)
ES (1)	ES403131A1 (en)
FR (1)	FR2139015B1 (en)
GB (1)	GB1390249A (en)
NL (1)	NL7206844A (en)
SE (1)	SE402297B (en)
SU (1)	SU439990A3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2206386A1 (en) *	1972-02-10	1973-08-16	Wacker Chemie Gmbh	METHOD FOR INCREASING THE MOLECULAR WEIGHT OF LOW PRESSURE POLYAETHYLENE
FR2241569B1 (en) *	1973-08-21	1979-03-02	Ethylene Plastique Sa
DE2414784C3 (en) *	1974-03-27	1980-10-09	Wacker-Chemie Gmbh, 8000 Muenchen	Process for the production of low pressure polyethylene
DE2414875C2 (en) *	1974-03-27	1984-04-12	Wacker-Chemie GmbH, 8000 München	Process for the production of reducing agents
CA1058144A (en) *	1974-05-25	1979-07-10	Itsuho Aishima	Process of production of polyethylene
CA1062692A (en) *	1974-05-25	1979-09-18	Itsuho Aishima	Process for polymerizing ethylene
US4507450A (en) *	1976-08-18	1985-03-26	Mitsubishi Chemical Industries Limited	Process for preparing polyolefin
JPS57205406A (en) *	1981-06-11	1982-12-16	Toyo Sutoufuaa Chem:Kk	Catalytic component for alpha-olefin polymerization and homopolymerization or copolymerization of alpha-olefin
JPS59120602A (en) *	1982-12-27	1984-07-12	Nippon Oil Co Ltd	Production of polyolefin
DE19741201A1 (en) *	1997-09-18	1999-03-25	Wacker Chemie Gmbh	Organoaluminium compounds immobilised on organopolysiloxane microcrogel particles used as cocatalysts

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1545177B2 (en) *	1960-04-19	1972-01-05	Wacker-Chemie GmbH, 8000 München	PROCESS FOR PRODUCING CATALYSTS FOR THE POLA MERIZATION OF UNSATURATED ORGANIC COMPOUNDS
GB1016512A (en) *	1961-07-28	1966-01-12	Kogyogijutsuin	Preparation of a new type polymer silicopolypropylene
US3661878A (en) *	1969-07-09	1972-05-09	Asahi Chemical Ind	Process for producing ethylene polymers and ethylene copolymers

1971
- 1971-05-26 DE DE2126250A patent/DE2126250C3/en not_active Expired
1972
- 1972-05-16 US US00253887A patent/US3755274A/en not_active Expired - Lifetime
- 1972-05-19 NL NL7206844A patent/NL7206844A/xx not_active Application Discontinuation
- 1972-05-19 AT AT440772A patent/AT312928B/en not_active IP Right Cessation
- 1972-05-19 CA CA142,588A patent/CA1000449A/en not_active Expired
- 1972-05-23 DD DD163205A patent/DD96711A5/xx unknown
- 1972-05-23 SU SU1788185A patent/SU439990A3/en active
- 1972-05-23 BE BE783804A patent/BE783804A/en unknown
- 1972-05-24 ES ES403131A patent/ES403131A1/en not_active Expired
- 1972-05-24 SE SE7206778A patent/SE402297B/en unknown
- 1972-05-24 JP JP47051573A patent/JPS4948661B1/ja active Pending
- 1972-05-25 FR FR7218639A patent/FR2139015B1/fr not_active Expired
- 1972-05-26 GB GB2496672A patent/GB1390249A/en not_active Expired

Also Published As

Publication number	Publication date
US3755274A (en)	1973-08-28
DE2126250A1 (en)	1972-12-07
BE783804A (en)	1972-11-23
GB1390249A (en)	1975-04-09
FR2139015B1 (en)	1980-03-21
DD96711A5 (en)	1973-04-05
NL7206844A (en)	1972-11-28
SE402297B (en)	1978-06-26
DE2126250C3 (en)	1980-06-12
DE2126250B2 (en)	1979-10-04
FR2139015A1 (en)	1973-01-05
ES403131A1 (en)	1975-04-16
SU439990A3 (en)	1974-08-15
JPS4948661B1 (en)	1974-12-23
AT312928B (en)	1974-01-25

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