CA2960665A1 - Methode de controle de l'elasticite de fusion dans le polyethylene basse densite - Google Patents
Methode de controle de l'elasticite de fusion dans le polyethylene basse densite Download PDFInfo
- Publication number
- CA2960665A1 CA2960665A1 CA2960665A CA2960665A CA2960665A1 CA 2960665 A1 CA2960665 A1 CA 2960665A1 CA 2960665 A CA2960665 A CA 2960665A CA 2960665 A CA2960665 A CA 2960665A CA 2960665 A1 CA2960665 A1 CA 2960665A1
- Authority
- CA
- Canada
- Prior art keywords
- process according
- functional
- mono
- initiators
- injection ports
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000003999 initiator Substances 0.000 claims abstract description 100
- 238000002347 injection Methods 0.000 claims abstract description 78
- 239000007924 injection Substances 0.000 claims abstract description 78
- 230000008569 process Effects 0.000 claims abstract description 46
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 37
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 37
- 239000000155 melt Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 150000003254 radicals Chemical class 0.000 claims abstract description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 39
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical group CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 33
- 239000012986 chain transfer agent Substances 0.000 claims description 21
- 239000005977 Ethylene Substances 0.000 claims description 15
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical group CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 10
- -1 polyethylene Polymers 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 claims description 4
- 150000002432 hydroperoxides Chemical class 0.000 claims description 4
- 150000001451 organic peroxides Chemical class 0.000 claims description 4
- 150000002976 peresters Chemical class 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 150000001299 aldehydes Chemical class 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 150000001408 amides Chemical class 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 150000002170 ethers Chemical class 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 150000002513 isocyanates Chemical class 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 150000003003 phosphines Chemical class 0.000 claims description 3
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 3
- 150000003573 thiols Chemical class 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims 1
- 239000011347 resin Substances 0.000 description 41
- 229920005989 resin Polymers 0.000 description 41
- 238000009826 distribution Methods 0.000 description 16
- 229920000642 polymer Polymers 0.000 description 12
- 238000006116 polymerization reaction Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000004075 alteration Effects 0.000 description 5
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 5
- FVQMJJQUGGVLEP-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOOC(C)(C)C FVQMJJQUGGVLEP-UHFFFAOYSA-N 0.000 description 3
- HSLFISVKRDQEBY-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)cyclohexane Chemical compound CC(C)(C)OOC1(OOC(C)(C)C)CCCCC1 HSLFISVKRDQEBY-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- NMOALOSNPWTWRH-UHFFFAOYSA-N tert-butyl 7,7-dimethyloctaneperoxoate Chemical compound CC(C)(C)CCCCCC(=O)OOC(C)(C)C NMOALOSNPWTWRH-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012969 di-tertiary-butyl peroxide Substances 0.000 description 2
- 238000007765 extrusion coating Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 229940041735 rexall Drugs 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C08F2/00—Processes of polymerisation
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)
- Polymerisation Methods In General (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2960665A CA2960665A1 (fr) | 2017-03-14 | 2017-03-14 | Methode de controle de l'elasticite de fusion dans le polyethylene basse densite |
| PCT/IB2018/051484 WO2018167610A1 (fr) | 2017-03-14 | 2018-03-07 | Procédé de commande de l'élasticité de fusion dans un ldpe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2960665A CA2960665A1 (fr) | 2017-03-14 | 2017-03-14 | Methode de controle de l'elasticite de fusion dans le polyethylene basse densite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2960665A1 true CA2960665A1 (fr) | 2018-09-14 |
Family
ID=61692030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2960665A Abandoned CA2960665A1 (fr) | 2017-03-14 | 2017-03-14 | Methode de controle de l'elasticite de fusion dans le polyethylene basse densite |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2960665A1 (fr) |
| WO (1) | WO2018167610A1 (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3293233A (en) | 1963-04-09 | 1966-12-20 | Rexall Drug Chemical | Process for polymerizing ethylene at high pressures in the presence of a mixture of peroxides having different half lives |
| EP2121592B1 (fr) * | 2007-03-09 | 2012-05-23 | Dow Global Technologies LLC | Système d'amorçage par radicaux libres et procédé de production d'un polymère polyéthylène basse densité par polymérisation radicalaire sous haute pression |
| CN103261244B (zh) * | 2010-12-22 | 2016-01-06 | 巴塞尔聚烯烃股份有限公司 | 在自由基聚合引发剂存在下通过使乙烯、双官能或多官能共聚单体和任选的其它共聚单体共聚来制备乙烯共聚物的方法 |
-
2017
- 2017-03-14 CA CA2960665A patent/CA2960665A1/fr not_active Abandoned
-
2018
- 2018-03-07 WO PCT/IB2018/051484 patent/WO2018167610A1/fr active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018167610A1 (fr) | 2018-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20220915 |
|
| FZDE | Discontinued |
Effective date: 20220915 |