CATALYST FOR PROPYLENE POLYMERIZATION AND THE METHOD OF PROPYLENE POLYMERIZATION USING THE CATALYST
申请人:Samsung Total Petrochemicals Co. Ltd.
公开号:EP1805225A1
公开(公告)日:2007-07-11
PERFLUOROALKYLENE ETHER-CONTAINING COMPOUND AND SURFACE PROTECTIVE FILM
申请人:FUJI XEROX CO., LTD.
公开号:US20150274870A1
公开(公告)日:2015-10-01
Provided is a perfluoroalkylene ether-containing compound represented by the following general formula (1):
wherein R
1
and R
2
each independently indicates a fluorine atom or a trifluoromethyl group, provided that both R
1
and R
2
are not the fluorine atom, n1 indicates an integer from 1 to 5, n2 indicates an integer from 0 to 2, the total number of n1 and n2 is less than or equal to 5, m indicates an integer greater than or equal to 1, A
1
and A
2
each independently indicates a bivalent group represented by the following general formula (2), B
1
and B
2
each independently indicates a bivalent group selected from the group consisting of a single bond and the following (B-1) to (B-3), X
1
and X
2
each independently indicates a monovalent group having at least one reactive crosslinking group selected from the group consisting of the following (X-1) to (X-8).
[EN] CATALYST FOR PROPYLENE POLYMERIZATION AND THE METHOD OF PROPYLENE POLYMERIZATION USING THE CATALYST<br/>[FR] CATALYSEUR POUR POLYMERISATION DE PROPYLENE ET PROCEDE DE POLYMERISATION DE PROPYLENE FAISANT INTERVENIR CE CATALYSEUR
申请人:SAMSUNG TOTAL PETROCHEMICALS
公开号:WO2006062287A1
公开(公告)日:2006-06-15
[EN] The present invention provides a catalyst for propylene polymerization and a method for propylene polymerization using the same, specifically, a catalyst for propylene polymerization, which is prepared by reacting dialkoxy magnesium with titanium halide compound or silane halide compound and internal electron donor in the presence of an organic solvent, and a method for propylene polymerization which can produce polypropylene having 99% or more of iso- tacticity index, by mixing and reacting said catalyst, alkyl aluminum, external electron donor and propylene. [FR] L'invention concerne un catalyseur de polymérisation de propylène ainsi qu'un procédé de polymérisation de propylène faisant intervenir ce catalyseur, spécifiquement, un catalyseur de polymérisation de propylène obtenu par la réaction de magnésium dialcoxy avec un composé d'halogénure de titane ou un composé d'halogénure de silane et un donneur d'électron interne, en présence d'un solvant organique. Par ailleurs, l'invention concerne un procédé de polymérisation de propylène qui permet d'obtenir du polypropylène présentant un taux d'isotacticité d'au moins 99 %, par mélange et réaction dudit catalyseur, d'aluminium d'alkyle, de donneur d'électron externe et de propylène.
[EN] METHOD FOR PREPARING OLEFIN-BASED POLYMER BY GAS-PHASE POLYMERIZATION<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION D'UN POLYMÈRE À BASE D'OLÉFINES PAR POLYMÉRISATION EN PHASE GAZEUSE<br/>[KO] 기상 중합에 의한 올레핀계 중합체의 제조방법
申请人:HANWHA SOLUTIONS CORP
公开号:WO2021118145A1
公开(公告)日:2021-06-17
본 발명은 기상 중합에 의한 올레핀계 중합체의 제조방법에 관한 것이다. 구체적으로, 본 발명은 반-회분식(semi-batch) 교반형 반응기 내에서 올레핀계 단량체를 기상 중합하여 올레핀계 중합체를 제조하는 방법에 관한 것이다. 본 발명의 구체예에 따른 올레핀계 중합체의 제조방법은 올레핀계 단량체의 기상 중합 시에 높은 촉매 활성을 유지하면서도 국부적인 과반응에 의한 중합체 뭉침 현상을 방지하고 우수한 물성을 갖는 올레핀계 중합체를 제조할 수 있다.