Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1981-02-04
1983-01-11
Smith, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
252429B, 526 65, 526116, 526119, 526122, 526137, 526139, 526140, 526141, 526142, 526158, 526159, 5263486, 526351, 526901, 526902, 526904, 525247, C08F 464, C08F 1000
Patent
active
043683045
ABSTRACT:
A process for producing .alpha.-olefin polymers is provided, which comprises: reacting an organoaluminum compound with an electron donor in a specified ratio in a solvent at a specified temperature to obtain a solid product (I); reacting solid product (I) with TiCl.sub.4 at a specified temperature in a specified ratio of Al/Ti and then removing a liquid portion from the resulting material followed by washing to obtain a solid product (II) having no free TiCl.sub.4 ; reacting solid product (II) with an electron donor and an electron acceptor in a specified ratio at a specified temperature to obtain a solid product (III); and polymerizing .alpha.-olefin(s) in the presence of a catalyst comprising a combination of solid product (III) with an organoaluminum compound. This process provides a catalyst having a high storing and thermal stability and a polymer having a uniform particle size.
REFERENCES:
patent: 4207205 (1980-06-01), Wristas
patent: 4210729 (1980-07-01), Hermans
patent: 4210738 (1980-07-01), Hermans
Hanari Tohru
Kikuta Kazutsune
Miyajima Masazumi
Sato Akihiro
Uwai Toshihiro
Chisso Corporation
Philpitt Fred
Smith Edward J.
LandOfFree
Process for producing .alpha.-olefin polymers does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for producing .alpha.-olefin polymers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing .alpha.-olefin polymers will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-779532