CA1050198A - Process for the purification of low pressure-polymerized polyolefins - Google Patents
Process for the purification of low pressure-polymerized polyolefinsInfo
- Publication number
- CA1050198A CA1050198A CA217,403A CA217403A CA1050198A CA 1050198 A CA1050198 A CA 1050198A CA 217403 A CA217403 A CA 217403A CA 1050198 A CA1050198 A CA 1050198A
- Authority
- CA
- Canada
- Prior art keywords
- water
- polyolefin
- mixing
- purification zone
- ion
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title claims abstract description 31
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 21
- 238000000746 purification Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 9
- 150000002367 halogens Chemical class 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 9
- 239000003085 diluting agent Substances 0.000 claims description 7
- 230000000737 periodic effect Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 5
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 150000007522 mineralic acids Chemical class 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 150000002902 organometallic compounds Chemical class 0.000 claims description 2
- -1 gasoline~ and 80 p Chemical class 0.000 description 13
- 150000002500 ions Chemical class 0.000 description 13
- 239000004698 Polyethylene Substances 0.000 description 12
- 229920000573 polyethylene Polymers 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 10
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 10
- 239000000843 powder Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229940099990 ogen Drugs 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
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)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742400977 DE2400977C3 (de) | 1974-01-10 | 1974-01-10 | Verfahren zur Feinreinigung von Niederdruck-Polyäthylen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1050198A true CA1050198A (en) | 1979-03-06 |
Family
ID=5904457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA217,403A Expired CA1050198A (en) | 1974-01-10 | 1975-01-06 | Process for the purification of low pressure-polymerized polyolefins |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5720322B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1050198A (enrdf_load_stackoverflow) |
| DE (1) | DE2400977C3 (enrdf_load_stackoverflow) |
| ES (1) | ES433611A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2257603B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1479831A (enrdf_load_stackoverflow) |
| IT (1) | IT1026303B (enrdf_load_stackoverflow) |
| NL (1) | NL156149B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5529439Y2 (enrdf_load_stackoverflow) * | 1975-07-21 | 1980-07-12 | ||
| ES527529A0 (es) * | 1983-11-24 | 1985-05-01 | Empresa Nac Petroleo | Procedimiento perfeccionado de polimerizacion y copolimerizacion de etileno, a presiones y temperaturas elevadas |
| GB9010461D0 (en) * | 1990-05-10 | 1990-07-04 | Dow Stade Gmbh | Removal of residual acid from chlorinated polymers |
-
1974
- 1974-01-10 DE DE19742400977 patent/DE2400977C3/de not_active Expired
- 1974-12-27 NL NL7416956A patent/NL156149B/xx not_active IP Right Cessation
-
1975
- 1975-01-03 FR FR7500133A patent/FR2257603B1/fr not_active Expired
- 1975-01-03 GB GB29475A patent/GB1479831A/en not_active Expired
- 1975-01-06 CA CA217,403A patent/CA1050198A/en not_active Expired
- 1975-01-07 ES ES433611A patent/ES433611A1/es not_active Expired
- 1975-01-09 JP JP526375A patent/JPS5720322B2/ja not_active Expired
- 1975-01-10 IT IT4762175A patent/IT1026303B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5720322B2 (enrdf_load_stackoverflow) | 1982-04-28 |
| GB1479831A (en) | 1977-07-13 |
| NL7416956A (nl) | 1975-07-14 |
| ES433611A1 (es) | 1976-12-01 |
| JPS50101480A (enrdf_load_stackoverflow) | 1975-08-12 |
| DE2400977A1 (de) | 1975-07-17 |
| IT1026303B (it) | 1978-09-20 |
| DE2400977C3 (de) | 1981-02-05 |
| FR2257603B1 (enrdf_load_stackoverflow) | 1979-02-23 |
| DE2400977B2 (de) | 1980-05-29 |
| FR2257603A1 (enrdf_load_stackoverflow) | 1975-08-08 |
| NL156149B (nl) | 1978-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2091128C (en) | Removal of organic volatiles from polymer solutions and dispersions | |
| CN1572768A (zh) | 甲醇羰基化反应生产乙酸工艺中脱除高锰酸盐降低化合物及烷基碘的方法 | |
| CN1017314B (zh) | 脱除腐蚀性金属的羰基化催化剂溶液再生方法 | |
| US4098990A (en) | Process for the purification of low pressure polymerized polyolefin powder using recycled, anion-exchange treated water | |
| US3954910A (en) | Process for removal and recovery of unreacted monomers from resinous polymers | |
| CA1050198A (en) | Process for the purification of low pressure-polymerized polyolefins | |
| US4471099A (en) | Treatment of a hydrogenated polymer solution after hydrogenation catalyst removal to improve subsequent lithiation reaction | |
| JP2004181351A (ja) | 非水液状物の精製方法 | |
| JP2006503174A (ja) | エチレン−ビニルアセテート共重合体の連続製造方法および該反応システム | |
| US3110708A (en) | Process for the thermal oxidative degradation and simultaneous purification of linear polyolefines | |
| KR100204815B1 (ko) | 수소화된 중합체 용액으로부터 제8족 금속을 함유한 수소화 촉매의 제거방법 | |
| CA2076824C (en) | Process for removing aldehydes and/or vinyl esters from gaseous or liquid process streams | |
| EP1263799B1 (en) | A process for removing hydrogenation catalyst residue from hydrogenated polymers | |
| US5137943A (en) | Removal of residual acid from chlorinated polymers | |
| JP3651690B2 (ja) | カチオン重合体の精製工程における触媒の除去方法 | |
| US3179642A (en) | Removal of solvent from solvent polymer systems | |
| KR890002372B1 (ko) | 고분자 물질의 세척 및 제거방법 | |
| US3119797A (en) | Process for refining polyolefins | |
| US20190336959A1 (en) | Process for treatment of spent ionic liquids | |
| US2928817A (en) | Removal of metal contaminants in polymerization processes | |
| US3740381A (en) | Purification of olefinic polymers obtained in liquid phase | |
| US3075959A (en) | Process of purifying polyolefins | |
| US3169840A (en) | Method for removing water from formaldehyde | |
| RU2378247C2 (ru) | Способ удаления каталитических металлов и промоторных металлов из потоков процесса карбонилирования | |
| US3733314A (en) | Purification of amorphous polyolefins |