FIELD: chemistry.
SUBSTANCE: heterogeneous ethylene polymerisation catalyst is used, said catalyst being a product of decomposition of tetracyclopentadienylzirconium with oxygen and air moisture for 1-10 days and is a polymer compound. The tetracyclopentadienylzirconium can be deposited on the surface of an inert inorganic or organic polymer support.
EFFECT: catalyst enables to obtain polyethylenes of medium and high density from ethylene as the only raw material using a single-reactor scheme with the capacity to control chemical composition of the polymer product in a wide range.
2 cl, 4 ex
Title |
Year |
Author |
Number |
CATALYST FOR POLYMERISATION AND COPOLYMERISATION OF ETHYLENE, PREPARATION METHOD THEREOF AND METHOD OF PRODUCING POLYETHYLENES USING SAID CATALYST |
2010 |
- Matkovskij Petr Evgen'Evich
- Russijan Ljudmila Nikolaevna
- Sedov Igor' Vladimirovich
|
RU2462479C2 |
METALLOCENE CATALYSTS AND USE THEREOF IN POLYMERISATION PROCESSES |
2008 |
- Fransis S. Riks
- Donmin Li
- Chintaj Ljuj
- Chii Kuo
- Mark G. Gud
- Daniel P. Zilker Dzhr.
- Tau Khun Kvalk
|
RU2455316C2 |
HOMOGENOUS CATALYTIC SYSTEM FOR SYNTHESIS OF COPOLYMERS OF ETHYLENE WITH PROPYLENE AND HIGHER α-OLEFINS AND ALSO PROPYLENE WITH HIGHER α-OLEFINS, METHOD OF PRODUCING COPOLYMERS OF ETHYLENE WITH PROPYLENE AND HIGHER α-OLEFINS AND ALSO PROPYLENE WITH HIGHER α-OLEFINS |
2003 |
|
RU2250237C2 |
POLYETHYLENE COMPOSITIONS, HAVING IMPROVED PROPERTIES |
2008 |
- Gud Mark G.
- Kol'B Rajner
- Kuo Chii
- Kval'K Taeh Khun'
- Li Donmin
- Ljuj Chintaj
- Riks Fransis S.
- Zilker Daniel P.
|
RU2448132C2 |
IMMOBILIZED CATALYST FOR MONO-AND COPOLYMERIZATION OF OLEFINS, METHOD OF PREPARING THEREOF AND METHOD OF PREPARING HOMO-AND COPOLYMERS OF OLEFINS |
1999 |
- Bravaja N.M.
- Chukanova O.M.
- Saratovskikh S.L.
- Babkina O.N.
- Panin A.N.
|
RU2171814C1 |
CATALYTIC POLYMERIZATION SYSTEMS, PREPARATION AND APPLICATION THEREOF |
1995 |
- Dzhordzh Allen Vogn
- Ehntoni Nikolas Speka
- Patrik Brant
- Dzho Ehnn Mari Kanich
|
RU2167883C2 |
CATALYTIC COMPOSITION AND METHODS FOR ITS PREPARING AND APPLYING IN THE POLYMERIZATION PROCESS |
1999 |
- Agapiou Agapios Kirjakos
- Kuo Chii
- Glovchvski Dehvid Majkl
- Akerman Stiven Kent
|
RU2233291C2 |
IONOGENIC SUPPORTED CATALYTIC COMPOSITION |
1995 |
- Volzer Dzhon Flekser, Mladshij
|
RU2183644C2 |
POLYETHYLENE COMPOSITION AND METHOD FOR PREPARATION THEREOF |
2021 |
- Kim, Dodam
- Jeon, Manseong
- Choi, Yi Young
- Lee, Min Jeong
- Jin, Eunyoung
|
RU2840073C1 |
POLYMERS MADE WITH METALLOCENE CATALYSTS FOR USE IN ARTICLES MADE BY CENTRIFUGAL AND INJECTION MOULDING |
2007 |
- Farli Dzhejms M.
- Dejvi Kristofer R.
- Kol'B Rajner
- Ossovski Mark P.
|
RU2446180C2 |