UST957010I4 - Separation of diluent from polymerization reaction mixture - Google Patents
Separation of diluent from polymerization reaction mixture Download PDFInfo
- Publication number
- UST957010I4 UST957010I4 US05/664,986 US66498676A UST957010I4 US T957010 I4 UST957010 I4 US T957010I4 US 66498676 A US66498676 A US 66498676A US T957010 I4 UST957010 I4 US T957010I4
- Authority
- US
- United States
- Prior art keywords
- diluent
- wetting agent
- reaction mixture
- ethylene
- steam distillation
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polymerization Catalysts (AREA)
- Biological Depolymerization Polymers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
Abstract
a process for the separation of diluent from an ethylene polymerization reaction mixture wherein ethylene is copolymerized using as a catalyst an organo-metallic compound supported on an inorganic material. Subsequent to reaction, there is added to the reaction mixture a wetting agent and the diluent is then removed from the reaction mixture by steam distillation to give a product having significant solubility in the diluent.
A wide variety of wetting agents may be used, which may be either water-soluble or water-insoluble. However, water soluble wetting agents are much preferred, so that most or at least some of the wetting agent remains in the aqueous phase at the end of the steam distillation step. The wetting agent may also possess hydrocarbon solubility; but this does not appear to be of paramount importance. It should also be stable at the steam distillation temperature and should have low steam volatility. It is also convenient if the wetting agent is biodegradable to alleviate effluent disposal problems.
Examples of wetting agents include water soluble salts of di(hydrocarbyl) sulphosuccinic acids; poly(ethylene oxides) terminated with branched fluorocarbon groups, adducts of linear alcohols with ethylene oxide, and block copolymers of ethylene oxide and propylene oxide.
In general concentrations of wetting agent in the range 0.005 to 0.10% weight/volume, calculated on diluent, are suitable. Preferred concentrations are generally in the range 0.01 to 0.06% weight/volume.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| UK9561/75 | 1975-03-07 | ||
| GB9561/75A GB1524982A (en) | 1975-03-07 | 1975-03-07 | Ethylene-mono alphaolefin copolymerisation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST957010I4 true UST957010I4 (en) | 1977-04-05 |
Family
ID=9874372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US05/664,986 Pending UST957010I4 (en) | 1975-03-07 | 1976-03-08 | Separation of diluent from polymerization reaction mixture |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | UST957010I4 (en) |
| JP (1) | JPS51112894A (en) |
| AU (1) | AU1177176A (en) |
| BE (1) | BE839325A (en) |
| DE (1) | DE2609529A1 (en) |
| ES (1) | ES445852A1 (en) |
| FR (1) | FR2303029A1 (en) |
| GB (1) | GB1524982A (en) |
| IT (1) | IT1062439B (en) |
| NL (1) | NL7602399A (en) |
| ZA (1) | ZA761401B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5952643B2 (en) * | 1977-01-27 | 1984-12-20 | 三井化学株式会社 | ethylene copolymer |
| JPS5512008A (en) * | 1978-06-29 | 1980-01-28 | Mitsui Petrochemical Ind | Packing laminate sack |
| JPS606558Y2 (en) * | 1979-03-29 | 1985-03-01 | 日立造船株式会社 | Watertight device for shutter door |
-
1975
- 1975-03-07 GB GB9561/75A patent/GB1524982A/en not_active Expired
-
1976
- 1976-03-08 DE DE19762609529 patent/DE2609529A1/en active Pending
- 1976-03-08 IT IT20962/76A patent/IT1062439B/en active
- 1976-03-08 JP JP51024265A patent/JPS51112894A/en active Pending
- 1976-03-08 US US05/664,986 patent/UST957010I4/en active Pending
- 1976-03-08 ES ES445852A patent/ES445852A1/en not_active Expired
- 1976-03-08 BE BE164962A patent/BE839325A/en unknown
- 1976-03-08 FR FR7606491A patent/FR2303029A1/en not_active Withdrawn
- 1976-03-08 ZA ZA761401A patent/ZA761401B/en unknown
- 1976-03-08 AU AU11771/76A patent/AU1177176A/en not_active Expired
- 1976-03-08 NL NL7602399A patent/NL7602399A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT1062439B (en) | 1984-10-10 |
| DE2609529A1 (en) | 1976-09-30 |
| AU1177176A (en) | 1977-09-15 |
| ZA761401B (en) | 1977-02-23 |
| NL7602399A (en) | 1976-09-09 |
| BE839325A (en) | 1976-09-08 |
| JPS51112894A (en) | 1976-10-05 |
| GB1524982A (en) | 1978-09-13 |
| ES445852A1 (en) | 1977-05-16 |
| FR2303029A1 (en) | 1976-10-01 |
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