DE2203428B2 - Verfahren zur polymerisation von aethylen - Google Patents
Verfahren zur polymerisation von aethylenInfo
- Publication number
- DE2203428B2 DE2203428B2 DE19722203428 DE2203428A DE2203428B2 DE 2203428 B2 DE2203428 B2 DE 2203428B2 DE 19722203428 DE19722203428 DE 19722203428 DE 2203428 A DE2203428 A DE 2203428A DE 2203428 B2 DE2203428 B2 DE 2203428B2
- Authority
- DE
- Germany
- Prior art keywords
- ethylene
- reaction
- line
- temperature
- reaction tubes
- 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 16
- 238000006116 polymerization reaction Methods 0.000 title claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 81
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 62
- 239000005977 Ethylene Substances 0.000 claims description 62
- 239000007795 chemical reaction product Substances 0.000 claims description 29
- 239000004698 Polyethylene Substances 0.000 claims description 16
- -1 polyethylene Polymers 0.000 claims description 16
- 229920000573 polyethylene Polymers 0.000 claims description 16
- 239000003999 initiator Substances 0.000 claims description 12
- 150000003254 radicals Chemical class 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 description 19
- 239000012986 chain transfer agent Substances 0.000 description 14
- 239000002826 coolant Substances 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 6
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- XJOBOFWTZOKMOH-UHFFFAOYSA-N decanoyl decaneperoxoate Chemical compound CCCCCCCCCC(=O)OOC(=O)CCCCCCCCC XJOBOFWTZOKMOH-UHFFFAOYSA-N 0.000 description 2
- ZQMIGQNCOMNODD-UHFFFAOYSA-N diacetyl peroxide Chemical compound CC(=O)OOC(C)=O ZQMIGQNCOMNODD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 2
- WRXCBRHBHGNNQA-UHFFFAOYSA-N (2,4-dichlorobenzoyl) 2,4-dichlorobenzenecarboperoxoate Chemical compound ClC1=CC(Cl)=CC=C1C(=O)OOC(=O)C1=CC=C(Cl)C=C1Cl WRXCBRHBHGNNQA-UHFFFAOYSA-N 0.000 description 1
- OXYKVVLTXXXVRT-UHFFFAOYSA-N (4-chlorobenzoyl) 4-chlorobenzenecarboperoxoate Chemical compound C1=CC(Cl)=CC=C1C(=O)OOC(=O)C1=CC=C(Cl)C=C1 OXYKVVLTXXXVRT-UHFFFAOYSA-N 0.000 description 1
- UICXTANXZJJIBC-UHFFFAOYSA-N 1-(1-hydroperoxycyclohexyl)peroxycyclohexan-1-ol Chemical compound C1CCCCC1(O)OOC1(OO)CCCCC1 UICXTANXZJJIBC-UHFFFAOYSA-N 0.000 description 1
- XSZYESUNPWGWFQ-UHFFFAOYSA-N 1-(2-hydroperoxypropan-2-yl)-4-methylcyclohexane Chemical compound CC1CCC(C(C)(C)OO)CC1 XSZYESUNPWGWFQ-UHFFFAOYSA-N 0.000 description 1
- JGBAASVQPMTVHO-UHFFFAOYSA-N 2,5-dihydroperoxy-2,5-dimethylhexane Chemical compound OOC(C)(C)CCC(C)(C)OO JGBAASVQPMTVHO-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- MIRQGKQPLPBZQM-UHFFFAOYSA-N 2-hydroperoxy-2,4,4-trimethylpentane Chemical compound CC(C)(C)CC(C)(C)OO MIRQGKQPLPBZQM-UHFFFAOYSA-N 0.000 description 1
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- XYFRHHAYSXIKGH-UHFFFAOYSA-N 3-(5-methoxy-2-methoxycarbonyl-1h-indol-3-yl)prop-2-enoic acid Chemical compound C1=C(OC)C=C2C(C=CC(O)=O)=C(C(=O)OC)NC2=C1 XYFRHHAYSXIKGH-UHFFFAOYSA-N 0.000 description 1
- QLZINFDMOXMCCJ-UHFFFAOYSA-N 7-(7-hydroxyheptylperoxy)heptan-1-ol Chemical compound OCCCCCCCOOCCCCCCCO QLZINFDMOXMCCJ-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- QZYRMODBFHTNHF-UHFFFAOYSA-N ditert-butyl benzene-1,2-dicarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1C(=O)OOC(C)(C)C QZYRMODBFHTNHF-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004817 pentamethylene group Chemical class [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- BWJUFXUULUEGMA-UHFFFAOYSA-N propan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CC(C)OC(=O)OOC(=O)OC(C)C BWJUFXUULUEGMA-UHFFFAOYSA-N 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- PFBLRDXPNUJYJM-UHFFFAOYSA-N tert-butyl 2-methylpropaneperoxoate Chemical compound CC(C)C(=O)OOC(C)(C)C PFBLRDXPNUJYJM-UHFFFAOYSA-N 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- SWAXTRYEYUTSAP-UHFFFAOYSA-N tert-butyl ethaneperoxoate Chemical compound CC(=O)OOC(C)(C)C SWAXTRYEYUTSAP-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- BWSZXUOMATYHHI-UHFFFAOYSA-N tert-butyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(C)(C)C BWSZXUOMATYHHI-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/2425—Tubular reactors in parallel
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00004—Scale aspects
- B01J2219/00006—Large-scale industrial plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00121—Controlling the temperature by direct heating or cooling
- B01J2219/00123—Controlling the temperature by direct heating or cooling adding a temperature modifying medium to the reactants
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Instructional Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10941671A | 1971-01-25 | 1971-01-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2203428A1 DE2203428A1 (de) | 1972-08-17 |
| DE2203428B2 true DE2203428B2 (de) | 1976-07-15 |
Family
ID=22327531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722203428 Pending DE2203428B2 (de) | 1971-01-25 | 1972-01-25 | Verfahren zur polymerisation von aethylen |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US3745658A (enExample) |
| JP (1) | JPS5222975B1 (enExample) |
| CA (1) | CA996297A (enExample) |
| DE (1) | DE2203428B2 (enExample) |
| FR (1) | FR2123374B1 (enExample) |
| GB (1) | GB1345673A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0013229B1 (fr) * | 1978-12-28 | 1982-09-29 | Société Chimique des Charbonnages | Procédé pour l'élargissement de la répartition moléculaire du polyéthylène par emploi de deux réacteurs et de deux séparateurs et appareil pour sa mise en oeuvre |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3875134A (en) * | 1973-05-07 | 1975-04-01 | Sumitomo Chemical Co | Process for producing ethylene polymer under high pressure |
| US3937930A (en) * | 1973-12-17 | 1976-02-10 | Thomas Frank J | Rotary slide rule for topographic calculations |
| US4002813A (en) * | 1974-08-16 | 1977-01-11 | Dart Industries Inc. | Injection of catalysts into a polymerization autoclave |
| US3974237A (en) * | 1975-02-21 | 1976-08-10 | Exxon Research And Engineering Company | Block copolymer processes |
| FR2313399A1 (fr) * | 1975-06-03 | 1976-12-31 | Charbonnages Ste Chimique | Procede de polymerisation et de copolymerisation de l'ethylene utilisant un dispositif d'injection de gaz |
| US4046718A (en) * | 1976-06-17 | 1977-09-06 | The Dow Chemical Company | Polymerization method employing tubular reactor |
| DE2826196A1 (de) * | 1978-06-15 | 1979-12-20 | Hoechst Ag | Verfahren zur rueckgewinnung von nicht umgesetztem propylen bei der massepolymerisation |
| US4255387A (en) * | 1978-12-29 | 1981-03-10 | El Paso Polyolefins Company | High pressure tubular reactor apparatus |
| US4439601A (en) * | 1979-03-30 | 1984-03-27 | Cosden Technology, Inc. | Multiple stage devolatilization process for mass processable polymers |
| FR2460306A1 (fr) * | 1979-07-05 | 1981-01-23 | Charbonnages Ste Chimique | Procede de production de polymeres de l'ethylene et appareil pour sa mise en oeuvre |
| USD265633S (en) | 1979-08-30 | 1982-08-03 | Johnson Edward A | Casing volume measuring tape |
| US4831108A (en) * | 1983-02-16 | 1989-05-16 | Amoco Corporation | Polycondensation process with mean dispersion residence time |
| DE3633819A1 (de) * | 1986-10-04 | 1988-04-14 | Basf Ag | Abscheidesystem zur reduktion der feststoffemission bei entspannungsvorgaengen an hochdruckpolymerisationsreaktoren |
| US5200486A (en) * | 1988-12-29 | 1993-04-06 | Hoechst Aktiengesellschaft | Process for separating volatile components from reaction mixtures obtained through high-pressure polymerization |
| JP2003507513A (ja) * | 1999-08-17 | 2003-02-25 | ザ ダウ ケミカル カンパニー | 易流動性ポリマー組成物 |
| US20040261277A1 (en) * | 2001-11-09 | 2004-12-30 | Hughes Brett Raymond | Estimating apparatus |
| US7000331B2 (en) * | 2004-02-21 | 2006-02-21 | James P. Kennedy | Measuring and tool setting device for use on woodworking machines |
| US20060020789A1 (en) * | 2004-05-11 | 2006-01-26 | Peter Gipps | Secure infrastructure for path determination system |
| US20060020430A1 (en) * | 2004-05-11 | 2006-01-26 | Peter Gipps | Path analysis system with client and server-side applications |
| US20060206623A1 (en) * | 2005-03-10 | 2006-09-14 | Peter Gipps | Path determination system for vehicle infrastructure paths |
| US20060020431A1 (en) * | 2004-05-11 | 2006-01-26 | Peter Gipps | Path determination system for transport system |
| US20050268245A1 (en) * | 2004-05-11 | 2005-12-01 | Peter Gipps | User interface for path determination system |
| RU2006143654A (ru) * | 2004-05-11 | 2008-06-20 | Тримбл Нэвигейшн Лимитед (Us) | Система анализа пути |
| US7910675B2 (en) * | 2005-08-24 | 2011-03-22 | Basf Se | Method for producing water-absorbing polymer particles |
| US20090198505A1 (en) * | 2008-02-05 | 2009-08-06 | Peter Gipps | Interactive path planning with dynamic costing |
| US20120240421A1 (en) * | 2010-12-28 | 2012-09-27 | Agco Corporation | Field Productivity Gauge |
| CN109679000B (zh) | 2014-08-05 | 2022-05-03 | 埃克森美孚化学专利公司 | 制造乙烯聚合物和使用改性剂的方法 |
| US11933000B2 (en) * | 2020-10-13 | 2024-03-19 | Samuel C. Patterson | Depth guide for paving machine |
| CN115197348B (zh) * | 2021-04-14 | 2024-06-14 | 浙江大学 | 乙烯聚合物以及用于制备乙烯聚合物的高压自由基聚合方法与装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2975521A (en) * | 1953-12-30 | 1961-03-21 | Eugene C Holmes | Area measuring device |
| US2972810A (en) * | 1956-12-17 | 1961-02-28 | Davis Franklin Le Roy | Device for computing areas and volumes |
| FR1325698A (fr) * | 1961-03-18 | 1963-05-03 | Bayer Ag | Réacteur tubulaire destiné notamment à des polymérisations sous pression |
| FR1474635A (fr) * | 1965-04-09 | 1967-03-24 | Union Carbide Corp | Polymères d'éthylène pulvérulents et procédé pour les produire |
-
1971
- 1971-01-25 US US00109146A patent/US3745658A/en not_active Expired - Lifetime
- 1971-01-25 US US00109416A patent/US3719643A/en not_active Expired - Lifetime
-
1972
- 1972-01-24 GB GB320972A patent/GB1345673A/en not_active Expired
- 1972-01-24 FR FR7202264A patent/FR2123374B1/fr not_active Expired
- 1972-01-24 CA CA133,082A patent/CA996297A/en not_active Expired
- 1972-01-25 JP JP47009390A patent/JPS5222975B1/ja active Pending
- 1972-01-25 DE DE19722203428 patent/DE2203428B2/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0013229B1 (fr) * | 1978-12-28 | 1982-09-29 | Société Chimique des Charbonnages | Procédé pour l'élargissement de la répartition moléculaire du polyéthylène par emploi de deux réacteurs et de deux séparateurs et appareil pour sa mise en oeuvre |
Also Published As
| Publication number | Publication date |
|---|---|
| CA996297A (en) | 1976-08-31 |
| GB1345673A (en) | 1974-01-30 |
| DE2203428A1 (de) | 1972-08-17 |
| US3719643A (en) | 1973-03-06 |
| FR2123374A1 (enExample) | 1972-09-08 |
| US3745658A (en) | 1973-07-17 |
| JPS5222975B1 (enExample) | 1977-06-21 |
| FR2123374B1 (enExample) | 1975-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2203428B2 (de) | Verfahren zur polymerisation von aethylen | |
| DE2146337A1 (de) | Verfahren zur Herstellung eines schlagzähen alkenylaromatischen Polymeren | |
| DE1645610A1 (de) | Verfahren zur Herstellung von AEthylenpolymerisaten oder AEthylencopolymerisaten | |
| EP0009638A1 (de) | Verfahren zur kontinuierlichen Massepolymerisation von Alkenyl-aromaten | |
| DE2556417C2 (de) | Schmelzveredelungsverfahren für durch Dampfphasenpolymerisation von wenigstens einem polymerisierbaren Monomer hergestellte Polymere | |
| DE2131145C3 (de) | Verfahren zur Hochdruckpolymerisation von Äthylen | |
| DE69725162T2 (de) | Verfahren zum herstellen von propylenhomo oder copolymeren | |
| DE2714189A1 (de) | Verfahren zur polymerisation von aethylen | |
| DE1294013C2 (de) | Verfahren zur polymerisation von aethylen und mischpolymerisation desselben mit anderen olefinen oder vinylverbindungen | |
| DE2826548C2 (enExample) | ||
| DE1520260C2 (de) | Verfahren zur Herstellung von Homo- oder Mischpolymerisaten des Äthylens | |
| EP0012368B1 (de) | Verfahren zur Herstellung von Copolymerisaten des Äthylens | |
| DE2439103A1 (de) | Verbessertes verfahren zur aethylenpolymerisation | |
| DE2205166A1 (de) | Verfahren zur Polymerisation eines Olefins bei hohem Druck in röhrenförmigen Reaktoren | |
| DE1495565A1 (de) | Kristalline Blockmischpolymerisate sowie Verfahren zur Herstellung derselben | |
| EP0098488B1 (de) | Verfahren zur Herstellung von Ethylen-Acrylsäureester-Copolymerisaten in einem Zweizonen-Reaktor bei Drücken oberhalb 500 bar | |
| DE4132012A1 (de) | Ethylenhomopolymerisate und -copolymerisate sowie ein verfahren zu ihrer herstellung | |
| DE1948599A1 (de) | Verfahren zur Herstellung von Polyaethylen | |
| DE2350782A1 (de) | Verfahren zur gleichzeitigen durchfuehrung der ionischen und radikalartigen polymerisationen von aethylen und die gewonnenen produkte | |
| DE1809045C3 (de) | Verfahren zum kontinuierlichen Herstellen von Copolymerisaten des Äthylens | |
| DE2748263C2 (enExample) | ||
| DE2134656A1 (de) | Polymerisationsverfahren | |
| DE1946888A1 (de) | Polymerisationsverfahren | |
| DE1960737B2 (de) | Verfahren zur Herstellung von Polyäthylen | |
| DE3025760A1 (de) | Verfahren zur polymersation von (alpha) -olefinen |