DE1420379A1 - Verfahren zur Aufarbeitung von Polyolefinen - Google Patents
Verfahren zur Aufarbeitung von PolyolefinenInfo
- Publication number
- DE1420379A1 DE1420379A1 DE19551420379 DE1420379A DE1420379A1 DE 1420379 A1 DE1420379 A1 DE 1420379A1 DE 19551420379 DE19551420379 DE 19551420379 DE 1420379 A DE1420379 A DE 1420379A DE 1420379 A1 DE1420379 A1 DE 1420379A1
- Authority
- DE
- Germany
- Prior art keywords
- steam distillation
- alkaline
- carried out
- polymer
- dispersant
- 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
- 238000000034 method Methods 0.000 title claims description 23
- 229920000098 polyolefin Polymers 0.000 title claims description 5
- 229920000642 polymer Polymers 0.000 claims description 18
- 238000001256 steam distillation Methods 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 12
- 238000005904 alkaline hydrolysis reaction Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000000080 wetting agent Substances 0.000 claims description 4
- 239000003995 emulsifying agent Substances 0.000 claims description 3
- 239000003085 diluting agent Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000003513 alkali Substances 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000010626 work up procedure Methods 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 125000002524 organometallic group Chemical group 0.000 description 2
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
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
- C08F6/00—Post-polymerisation treatments
- C08F6/02—Neutralisation of the polymerisation mass, e.g. killing the catalyst also removal of catalyst residues
-
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF0017365 | 1955-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1420379A1 true DE1420379A1 (de) | 1968-11-07 |
Family
ID=7088559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19551420379 Pending DE1420379A1 (de) | 1955-04-20 | 1955-04-20 | Verfahren zur Aufarbeitung von Polyolefinen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3006907A (en, 2012) |
| BE (1) | BE547184A (en, 2012) |
| CH (1) | CH390547A (en, 2012) |
| DE (1) | DE1420379A1 (en, 2012) |
| FR (1) | FR1148162A (en, 2012) |
| GB (1) | GB831123A (en, 2012) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL254392A (en, 2012) * | 1959-07-31 | |||
| US3090777A (en) * | 1961-05-03 | 1963-05-21 | Sun Oil Co | Removal of catalyst from olefin polymerization products |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA473116A (en) * | 1951-04-24 | E.I. Du Pont De Nemours And Company | Methods of preparing aqueous emulsions of polyethylene | |
| US2062845A (en) * | 1930-06-17 | 1936-12-01 | Monsanto Petroleum Chemicals I | Prepared resin |
| US2023495A (en) * | 1930-11-10 | 1935-12-10 | Monsanto Petroleum Chemicals I | Prepared resin |
| US2290794A (en) * | 1938-09-08 | 1942-07-21 | Du Pont | Aqueous dispersions of ethylene polymers |
| US2394960A (en) * | 1941-07-22 | 1946-02-12 | Du Pont | Process for polymerizing ethylene |
| US2606179A (en) * | 1950-03-23 | 1952-08-05 | Monsanto Chemicals | Process for the polymerization of ethylene in the liquid phase with "alfin" catalysts |
| DE973626C (de) * | 1953-11-17 | 1960-04-14 | Karl Dr Dr E H Ziegler | Verfahren zur Herstellung von hochmolekularen Polyaethylenen |
| NL95589C (en, 2012) * | 1954-04-05 | |||
| US2905645A (en) * | 1954-08-16 | 1959-09-22 | Du Pont | Polymerization catalysts |
-
0
- BE BE547184D patent/BE547184A/xx unknown
-
1955
- 1955-04-20 DE DE19551420379 patent/DE1420379A1/de active Pending
-
1956
- 1956-04-17 US US578587A patent/US3006907A/en not_active Expired - Lifetime
- 1956-04-19 CH CH3233556A patent/CH390547A/de unknown
- 1956-04-20 FR FR1148162D patent/FR1148162A/fr not_active Expired
- 1956-04-20 GB GB12231/56A patent/GB831123A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1148162A (fr) | 1957-12-04 |
| CH390547A (de) | 1965-04-15 |
| GB831123A (en) | 1960-03-23 |
| BE547184A (en, 2012) | |
| US3006907A (en) | 1961-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 |