CS9002248A2 - Method of hydrocarbon agent production - Google Patents
Method of hydrocarbon agent productionInfo
- Publication number
- CS9002248A2 CS9002248A2 CS224890A CS224890A CS9002248A2 CS 9002248 A2 CS9002248 A2 CS 9002248A2 CS 224890 A CS224890 A CS 224890A CS 224890 A CS224890 A CS 224890A CS 9002248 A2 CS9002248 A2 CS 9002248A2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- compsn
- olefins
- catalyst
- mixts
- alpha
- Prior art date
Links
- 239000004215 Carbon black (E152) Substances 0.000 title 1
- 239000003795 chemical substances by application Substances 0.000 title 1
- 229930195733 hydrocarbon Natural products 0.000 title 1
- 150000002430 hydrocarbons Chemical class 0.000 title 1
- 239000003054 catalyst Substances 0.000 abstract 3
- 239000000314 lubricant Substances 0.000 abstract 2
- 239000004711 α-olefin Substances 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Landscapes
- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
A liq. compsn. useful as a lubricant viscosity index improver comprises the oligomerisation products of alph-olefins comprising C6-20 alpha-olefins. The compsn has a branch ratio of less than 0.19 wt. average M.W. = 15,000-200,000, number average M.W. = 5000-50,000 and M.W. distribution = 1-5. Prepn. of the compsn. useful as V.I. improver comprises contacting C6-20 alpha-olefins or mixts, under oligomeric conditions at -20-90 deg.C with a reduced valence gp. VIB metal catalyst on porous support, the catalyst having been treated at 200-900 deg.C with an oxidising gas and then with a reducing agent at a temp., and for a time, sufficient to reduce the catalyst to a lower valence state. m USE/ADVANTAGE - Umsed with lubricants to give mixts. with increased V.I. When used in blends that exhibit Newtonian flow, it increases stability to shear stress at high temp. e.g. at 150 deg.C and shear rate = 1,000,000 s-1 (claimed). C6-20 1-alkene genral oligomerisation is described in US4827064 and US4827073. (24pp Dwg.No.0/0)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS224890A CS277629B6 (en) | 1990-05-07 | 1990-05-07 | Process for producing hydrocarbon means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS224890A CS277629B6 (en) | 1990-05-07 | 1990-05-07 | Process for producing hydrocarbon means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS9002248A2 true CS9002248A2 (en) | 1991-11-12 |
| CS277629B6 CS277629B6 (en) | 1993-03-17 |
Family
ID=5359057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS224890A CS277629B6 (en) | 1990-05-07 | 1990-05-07 | Process for producing hydrocarbon means |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS277629B6 (en) |
-
1990
- 1990-05-07 CS CS224890A patent/CS277629B6/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CS277629B6 (en) | 1993-03-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| IF00 | In force as of 2000-06-30 in czech republic | ||
| MM4A | Patent lapsed due to non-payment of fee |
Effective date: 20090507 |