DE2204637A1 - Verfahren zur Herstellung von Polyäthylenen mit hoher Dichte und guter Verarbeitbarkeit - Google Patents
Verfahren zur Herstellung von Polyäthylenen mit hoher Dichte und guter VerarbeitbarkeitInfo
- Publication number
- DE2204637A1 DE2204637A1 DE19722204637 DE2204637A DE2204637A1 DE 2204637 A1 DE2204637 A1 DE 2204637A1 DE 19722204637 DE19722204637 DE 19722204637 DE 2204637 A DE2204637 A DE 2204637A DE 2204637 A1 DE2204637 A1 DE 2204637A1
- Authority
- DE
- Germany
- Prior art keywords
- polyethylene
- peroxide
- melt index
- density
- polyethylenes
- 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 24
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229920001903 high density polyethylene Polymers 0.000 title description 9
- 239000004698 Polyethylene Substances 0.000 claims description 59
- 229920000573 polyethylene Polymers 0.000 claims description 59
- -1 polyethylenes Polymers 0.000 claims description 59
- 238000002844 melting Methods 0.000 claims description 18
- 230000008018 melting Effects 0.000 claims description 18
- 150000002978 peroxides Chemical class 0.000 claims description 17
- 239000000155 melt Substances 0.000 claims description 16
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 claims description 6
- 230000000930 thermomechanical effect Effects 0.000 claims description 5
- 150000001451 organic peroxides Chemical class 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- YKTNISGZEGZHIS-UHFFFAOYSA-N 2-$l^{1}-oxidanyloxy-2-methylpropane Chemical group CC(C)(C)O[O] YKTNISGZEGZHIS-UHFFFAOYSA-N 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 241000251730 Chondrichthyes Species 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 235000012438 extruded product Nutrition 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XKEFYDZQGKAQCN-UHFFFAOYSA-N 1,3,5-trichlorobenzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1 XKEFYDZQGKAQCN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
-
- 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
- C08F8/00—Chemical modification by after-treatment
-
- 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
- C08F2810/00—Chemical modification of a polymer
- C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2015871 | 1971-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2204637A1 true DE2204637A1 (de) | 1972-08-17 |
Family
ID=11164276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722204637 Pending DE2204637A1 (de) | 1971-02-04 | 1972-02-01 | Verfahren zur Herstellung von Polyäthylenen mit hoher Dichte und guter Verarbeitbarkeit |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE778910A (enrdf_load_html_response) |
| DE (1) | DE2204637A1 (enrdf_load_html_response) |
| ES (1) | ES399459A1 (enrdf_load_html_response) |
| FR (1) | FR2125004A5 (enrdf_load_html_response) |
| GB (1) | GB1362476A (enrdf_load_html_response) |
| NL (1) | NL7201239A (enrdf_load_html_response) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5829841A (ja) * | 1981-08-14 | 1983-02-22 | Asahi Chem Ind Co Ltd | 改良されたポリエチレン組成物 |
| BR9707803A (pt) | 1996-03-05 | 1999-07-27 | Dow Chemical Co | Processo para aumentar a processabilidade de um polímero de etileno termoplástico processo para a preparação de um polímetro de etileno polímetro de etileno intermediário para produzir artigos moldados e processo para usar um intermediário para produzir um polímetro modificado por reologia |
| WO1999010392A1 (en) | 1997-08-27 | 1999-03-04 | The Dow Chemical Company | Elastomers with improved processability |
| RU2741976C2 (ru) * | 2016-05-26 | 2021-02-01 | Бореалис Аг | Молекулярная модификация полиэтиленовой смолы |
-
1972
- 1972-01-31 NL NL7201239A patent/NL7201239A/xx unknown
- 1972-02-01 DE DE19722204637 patent/DE2204637A1/de active Pending
- 1972-02-01 FR FR7203313A patent/FR2125004A5/fr not_active Expired
- 1972-02-02 GB GB496972A patent/GB1362476A/en not_active Expired
- 1972-02-03 ES ES399459A patent/ES399459A1/es not_active Expired
- 1972-02-03 BE BE778910A patent/BE778910A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE778910A (fr) | 1972-08-03 |
| NL7201239A (enrdf_load_html_response) | 1972-08-08 |
| FR2125004A5 (enrdf_load_html_response) | 1972-09-22 |
| GB1362476A (en) | 1974-08-07 |
| ES399459A1 (es) | 1975-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |