DE69503778T2 - Verfahren zur herstellung eines elastomeren aus ethylen, alfa-olefin und gegebenfalls dien - Google Patents
Verfahren zur herstellung eines elastomeren aus ethylen, alfa-olefin und gegebenfalls dienInfo
- Publication number
- DE69503778T2 DE69503778T2 DE69503778T DE69503778T DE69503778T2 DE 69503778 T2 DE69503778 T2 DE 69503778T2 DE 69503778 T DE69503778 T DE 69503778T DE 69503778 T DE69503778 T DE 69503778T DE 69503778 T2 DE69503778 T2 DE 69503778T2
- Authority
- DE
- Germany
- Prior art keywords
- polymer
- group
- molecular weight
- elastomeric
- polymerization
- 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 - Fee Related
Links
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims description 21
- 239000005977 Ethylene Substances 0.000 title claims description 21
- 229920001971 elastomer Polymers 0.000 title description 4
- 238000004519 manufacturing process Methods 0.000 title description 3
- 239000000806 elastomer Substances 0.000 title 1
- 229920000642 polymer Polymers 0.000 claims description 108
- 238000006116 polymerization reaction Methods 0.000 claims description 46
- 230000002902 bimodal effect Effects 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 25
- 150000001993 dienes Chemical class 0.000 claims description 23
- 238000009826 distribution Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 18
- 229920001897 terpolymer Polymers 0.000 claims description 18
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 claims description 14
- 239000004711 α-olefin Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 11
- 239000012968 metallocene catalyst Substances 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 238000000113 differential scanning calorimetry Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- 238000001542 size-exclusion chromatography Methods 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 claims description 3
- 125000005842 heteroatom Chemical group 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000006467 substitution reaction Methods 0.000 claims description 3
- 238000000196 viscometry Methods 0.000 claims description 3
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 239000003446 ligand Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 125000004665 trialkylsilyl group Chemical group 0.000 claims description 2
- 229920013728 elastomeric terpolymer Polymers 0.000 claims 2
- 239000003054 catalyst Substances 0.000 description 30
- -1 2-indenyl Chemical group 0.000 description 26
- 239000000203 mixture Substances 0.000 description 22
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 20
- 238000002474 experimental method Methods 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
- 150000001875 compounds Chemical class 0.000 description 13
- 238000004458 analytical method Methods 0.000 description 10
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 10
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- BGGKSZPSSRGVTP-UHFFFAOYSA-L 2-methyl-1h-inden-1-ide;zirconium(4+);dichloride Chemical compound [Cl-].[Cl-].[Zr+4].C1=CC=C2[CH-]C(C)=CC2=C1.C1=CC=C2[CH-]C(C)=CC2=C1 BGGKSZPSSRGVTP-UHFFFAOYSA-L 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- CPOFMOWDMVWCLF-UHFFFAOYSA-N methyl(oxo)alumane Chemical compound C[Al]=O CPOFMOWDMVWCLF-UHFFFAOYSA-N 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 5
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000005194 fractionation Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 229910052735 hafnium Inorganic materials 0.000 description 4
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 3
- YSAXEHWHSLANOM-UHFFFAOYSA-N 2-methyl-1h-indene Chemical compound C1=CC=C2CC(C)=CC2=C1 YSAXEHWHSLANOM-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 229920001038 ethylene copolymer Polymers 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- OJOWICOBYCXEKR-APPZFPTMSA-N (1S,4R)-5-ethylidenebicyclo[2.2.1]hept-2-ene Chemical compound CC=C1C[C@@H]2C[C@@H]1C=C2 OJOWICOBYCXEKR-APPZFPTMSA-N 0.000 description 2
- PRBHEGAFLDMLAL-GQCTYLIASA-N (4e)-hexa-1,4-diene Chemical compound C\C=C\CC=C PRBHEGAFLDMLAL-GQCTYLIASA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- UAHWPYUMFXYFJY-UHFFFAOYSA-N beta-myrcene Chemical compound CC(C)=CCCC(=C)C=C UAHWPYUMFXYFJY-UHFFFAOYSA-N 0.000 description 2
- 150000001767 cationic compounds Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920006158 high molecular weight polymer Polymers 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 238000003947 neutron activation analysis Methods 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- TVEFFNLPYIEDLS-VQHVLOKHSA-N (4e)-deca-1,4,9-triene Chemical compound C=CCCC\C=C\CC=C TVEFFNLPYIEDLS-VQHVLOKHSA-N 0.000 description 1
- OJOWICOBYCXEKR-KRXBUXKQSA-N (5e)-5-ethylidenebicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(=C/C)/CC1C=C2 OJOWICOBYCXEKR-KRXBUXKQSA-N 0.000 description 1
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- PRBHEGAFLDMLAL-UHFFFAOYSA-N 1,5-Hexadiene Natural products CC=CCC=C PRBHEGAFLDMLAL-UHFFFAOYSA-N 0.000 description 1
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 1
- UXQAEOWCSOPBLF-UHFFFAOYSA-N 2,2,3,3-tetramethyloctane Chemical compound CCCCCC(C)(C)C(C)(C)C UXQAEOWCSOPBLF-UHFFFAOYSA-N 0.000 description 1
- MVKNKYUEMVWBOK-UHFFFAOYSA-N 3-propan-2-ylidene-1,2,7,7a-tetrahydroindene Chemical compound C1C=CC=C2C(=C(C)C)CCC21 MVKNKYUEMVWBOK-UHFFFAOYSA-N 0.000 description 1
- UFERIGCCDYCZLN-UHFFFAOYSA-N 3a,4,7,7a-tetrahydro-1h-indene Chemical compound C1C=CCC2CC=CC21 UFERIGCCDYCZLN-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- INYHZQLKOKTDAI-UHFFFAOYSA-N 5-ethenylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(C=C)CC1C=C2 INYHZQLKOKTDAI-UHFFFAOYSA-N 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000009566 Mao-to Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- FCRHLOATKYIXLU-UHFFFAOYSA-L [Cl-].[Cl-].CC1=CC2=CC=CC=C2C1[Hf+2]C1C2=CC=CC=C2C=C1C Chemical compound [Cl-].[Cl-].CC1=CC2=CC=CC=C2C1[Hf+2]C1C2=CC=CC=C2C=C1C FCRHLOATKYIXLU-UHFFFAOYSA-L 0.000 description 1
- CRVRNNZPIIKXIV-UHFFFAOYSA-L [Cl-].[Cl-].C[Si](C)(C)C1C([Zr++]C2=Cc3ccccc3C2[Si](C)(C)C)=Cc2ccccc12 Chemical compound [Cl-].[Cl-].C[Si](C)(C)C1C([Zr++]C2=Cc3ccccc3C2[Si](C)(C)C)=Cc2ccccc12 CRVRNNZPIIKXIV-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000001118 alkylidene group Chemical group 0.000 description 1
- 150000001361 allenes Chemical class 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- VYBREYKSZAROCT-UHFFFAOYSA-N alpha-myrcene Natural products CC(=C)CCCC(=C)C=C VYBREYKSZAROCT-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 1
- QNRMTGGDHLBXQZ-UHFFFAOYSA-N buta-1,2-diene Chemical compound CC=C=C QNRMTGGDHLBXQZ-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- UHOVQNZJYSORNB-MICDWDOJSA-N deuteriobenzene Chemical compound [2H]C1=CC=CC=C1 UHOVQNZJYSORNB-MICDWDOJSA-N 0.000 description 1
- HQWPLXHWEZZGKY-UHFFFAOYSA-N diethylzinc Chemical compound CC[Zn]CC HQWPLXHWEZZGKY-UHFFFAOYSA-N 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical compound C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- UMJJFEIKYGFCAT-UHFFFAOYSA-N indan-2-one Chemical compound C1=CC=C2CC(=O)CC2=C1 UMJJFEIKYGFCAT-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 229920005684 linear copolymer Polymers 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- MZRVEZGGRBJDDB-UHFFFAOYSA-N n-Butyllithium Substances [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- SJYNFBVQFBRSIB-UHFFFAOYSA-N norbornadiene Chemical compound C1=CC2C=CC1C2 SJYNFBVQFBRSIB-UHFFFAOYSA-N 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 1
- VPGLGRNSAYHXPY-UHFFFAOYSA-L zirconium(2+);dichloride Chemical compound Cl[Zr]Cl VPGLGRNSAYHXPY-UHFFFAOYSA-L 0.000 description 1
- QMBQEXOLIRBNPN-UHFFFAOYSA-L zirconocene dichloride Chemical compound [Cl-].[Cl-].[Zr+4].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 QMBQEXOLIRBNPN-UHFFFAOYSA-L 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
- C08F210/18—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT rubbers
-
- 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
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
- C08F4/65925—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL9400758A NL9400758A (nl) | 1994-05-06 | 1994-05-06 | Werkwijze voor de bereiding van een hoogmoleculair polymeer uit etheen, alfa-olefine en eventueel dieen. |
| PCT/NL1995/000140 WO1995030698A1 (en) | 1994-05-06 | 1995-04-18 | Process for the preparation of an elastomeric polymer from ethylene, alpha-olefin and optionally diene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69503778D1 DE69503778D1 (de) | 1998-09-03 |
| DE69503778T2 true DE69503778T2 (de) | 1999-04-15 |
Family
ID=19864171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69503778T Expired - Fee Related DE69503778T2 (de) | 1994-05-06 | 1995-04-18 | Verfahren zur herstellung eines elastomeren aus ethylen, alfa-olefin und gegebenfalls dien |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5902867A (enExample) |
| EP (1) | EP0758346B1 (enExample) |
| JP (1) | JPH09512848A (enExample) |
| CN (1) | CN1150809A (enExample) |
| AU (1) | AU2149895A (enExample) |
| BR (1) | BR9507707A (enExample) |
| CA (1) | CA2189570A1 (enExample) |
| DE (1) | DE69503778T2 (enExample) |
| MX (1) | MX9605423A (enExample) |
| NL (1) | NL9400758A (enExample) |
| TW (1) | TW294681B (enExample) |
| WO (1) | WO1995030698A1 (enExample) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR9406903A (pt) * | 1993-06-21 | 1996-04-02 | Dsm Nv | Processo para a preparação de copolimeros de etileno de baixo peso molecular com pelo menos um outro 1-alqueno |
| ES2116188B1 (es) * | 1994-12-30 | 1999-04-01 | Repsol Quimica Sa | Proceso de obtencion de poliolefinas con distribuciones de pesos moleculares anchas, bimodales o multimodales. |
| WO1997001586A1 (en) * | 1995-06-29 | 1997-01-16 | Dsm N.V. | Elastomeric copolymer |
| US5814714A (en) * | 1995-11-30 | 1998-09-29 | The Dow Chemical Company | Mono-olefin/polyene interpolymers, method of preparation, compositions containing the same, and articles made thereof |
| NL1006346C2 (nl) * | 1997-06-18 | 1998-12-21 | Dsm Nv | Werkwijze voor de bereiding van polyolefines bij hoge temperatuur met behulp van Zr-metallocenen. |
| JP4958130B2 (ja) * | 1997-06-27 | 2012-06-20 | ランクセス エラストマーズ ビー．ブイ． | 弾性共重合体及びその製造方法 |
| NL1006421C2 (nl) * | 1997-06-27 | 1998-12-29 | Dsm Nv | Elastomeer copolymeer. |
| DE69943133D1 (de) | 1998-11-02 | 2011-02-24 | Dow Global Technologies Inc | Unter scherwirkung verflüssigbare ethylen/alpha-olefin/dien polymere und ihre herstellung |
| MY137183A (en) | 2001-03-16 | 2009-01-30 | Dow Global Technologies Inc | Method of making interpolymers and products made therefrom |
| US6911508B2 (en) * | 2003-06-05 | 2005-06-28 | Univation Technologies, Llc | Class of metallocenes and method of producing polyethylene |
| JP2015532361A (ja) | 2013-06-28 | 2015-11-09 | エルジー・ケム・リミテッド | ジエンを含む三元系弾性共重合体およびその製造方法 |
| KR101446685B1 (ko) * | 2014-04-04 | 2014-10-06 | 주식회사 엘지화학 | 디엔을 포함하는 3원계 탄성 공중합체 및 이의 제조 방법 |
| KR101585204B1 (ko) | 2013-06-28 | 2016-01-13 | 주식회사 엘지화학 | 디엔을 포함하는 3원계 탄성 공중합체 및 이의 제조 방법 |
| EP2883889A4 (en) | 2013-06-28 | 2016-06-01 | Lg Chemical Ltd | TERNARY ELASTIC COPOLYMER WITH A DIEN AND METHOD FOR THE PRODUCTION THEREOF |
| CN104768986A (zh) * | 2013-06-28 | 2015-07-08 | 株式会社Lg化学 | 弹性二烯三元共聚物及其制备方法 |
| KR101585206B1 (ko) | 2013-07-22 | 2016-01-13 | 주식회사 엘지화학 | 디엔을 포함하는 3원계 탄성 공중합체 및 이의 제조 방법 |
| WO2015142547A1 (en) | 2014-03-21 | 2015-09-24 | Exxonmobil Chemical Patents Inc. | Process to produce ethylene propylene copolymers |
| KR101655392B1 (ko) | 2014-04-21 | 2016-09-07 | 주식회사 엘지화학 | 디엔을 포함하는 3원계 탄성 공중합체 및 이의 제조 방법 |
| KR101973191B1 (ko) | 2015-06-05 | 2019-04-26 | 주식회사 엘지화학 | 메탈로센 담지 촉매 및 이를 이용하는 폴리올레핀의 제조 방법 |
| KR101926833B1 (ko) | 2015-06-05 | 2019-03-07 | 주식회사 엘지화학 | 메탈로센 화합물 |
| JP6998899B2 (ja) * | 2016-06-30 | 2022-01-18 | ダウ グローバル テクノロジーズ エルエルシー | エチレン／α－オレフィン／ポリエン系組成物 |
| JP2019059895A (ja) * | 2017-09-28 | 2019-04-18 | 三井化学株式会社 | 防振ゴム用組成物および防振ゴム製品 |
| JP2019059893A (ja) * | 2017-09-28 | 2019-04-18 | 三井化学株式会社 | 防振ゴム用組成物および防振ゴム製品 |
| JP2019059894A (ja) * | 2017-09-28 | 2019-04-18 | 三井化学株式会社 | 防振ゴム用組成物および防振ゴム製品 |
| CN111868166A (zh) | 2018-02-14 | 2020-10-30 | 陶氏环球技术有限责任公司 | 具有改进的长期热老化性能的乙烯/α-烯烃互聚物组合物 |
| WO2020220244A1 (en) | 2019-04-30 | 2020-11-05 | Dow Global Technologies Llc | Ethylene/propylene/nonconjugated diene interpolymer composition |
| US11866530B2 (en) | 2019-04-30 | 2024-01-09 | Dow Global Technologies Llc | Ethylene/propylene/nonconjugated diene interpolymer composition |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2322883A1 (fr) * | 1975-09-02 | 1977-04-01 | Michelin & Cie | Elastomeres du type e p t, et articles comportant de tels elastomeres |
| JPH0618942B2 (ja) * | 1985-05-17 | 1994-03-16 | 日本合成ゴム株式会社 | 押し出し加工性に優れたゴム組成物 |
| US5001205A (en) * | 1988-06-16 | 1991-03-19 | Exxon Chemical Patents Inc. | Process for production of a high molecular weight ethylene α-olefin elastomer with a metallocene alumoxane catalyst |
| US4871705A (en) * | 1988-06-16 | 1989-10-03 | Exxon Chemical Patents Inc. | Process for production of a high molecular weight ethylene a-olefin elastomer with a metallocene alumoxane catalyst |
| DE3840772A1 (de) * | 1988-12-03 | 1990-06-07 | Hoechst Ag | Verfahren zur herstellung einer heterogenen metallocenkatalysatorkomponente |
| JPH05500080A (ja) * | 1989-09-06 | 1993-01-14 | エクソン・ケミカル・パテンツ・インク | 狭いｍｗｄと広い組成分布を有するアルファーオレフィンコポリマー |
| ES2087339T3 (es) * | 1991-05-27 | 1996-07-16 | Hoechst Ag | Procedimiento para la preparacion de poliolefinas con amplia distribucion de masas moleculares. |
| DE4139261A1 (de) * | 1991-11-29 | 1993-06-03 | Basf Ag | Ethylen-copolymerisate niederer dichte |
| DE59305691D1 (de) * | 1992-05-26 | 1997-04-17 | Hoechst Ag | Verfahren zur Herstellung von Polyolefinwachsen |
| ES2114978T3 (es) * | 1992-08-03 | 1998-06-16 | Targor Gmbh | Procedimiento para la obtencion de un polimero de olefina bajo empleo de metalocenos con ligandos indenilo de substitucion especial. |
| NL9201970A (nl) * | 1992-11-11 | 1994-06-01 | Dsm Nv | Indenylverbindingen en katalysatorcomponenten voor de polymerisatie van olefinen. |
| US5372980A (en) * | 1993-06-03 | 1994-12-13 | Polysar | Bimetallic metallocene alumoxane catalyst system and its use in the preparation of ethylene-alpha olefin and ethylene-alpha olefin-non-conjugated diolefin elastomers |
| DE4344688A1 (de) * | 1993-12-27 | 1995-06-29 | Hoechst Ag | Metallocenverbindung |
| DE4344689A1 (de) * | 1993-12-27 | 1995-06-29 | Hoechst Ag | Metallocenverbindung |
-
1994
- 1994-05-06 NL NL9400758A patent/NL9400758A/nl not_active Application Discontinuation
-
1995
- 1995-04-15 TW TW084103707A patent/TW294681B/zh active
- 1995-04-18 AU AU21498/95A patent/AU2149895A/en not_active Abandoned
- 1995-04-18 JP JP7528852A patent/JPH09512848A/ja active Pending
- 1995-04-18 US US08/732,278 patent/US5902867A/en not_active Expired - Fee Related
- 1995-04-18 EP EP95914581A patent/EP0758346B1/en not_active Expired - Lifetime
- 1995-04-18 MX MX9605423A patent/MX9605423A/es not_active Application Discontinuation
- 1995-04-18 WO PCT/NL1995/000140 patent/WO1995030698A1/en not_active Ceased
- 1995-04-18 BR BR9507707A patent/BR9507707A/pt not_active Application Discontinuation
- 1995-04-18 CN CN95193633.6A patent/CN1150809A/zh active Pending
- 1995-04-18 CA CA002189570A patent/CA2189570A1/en not_active Abandoned
- 1995-04-18 DE DE69503778T patent/DE69503778T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09512848A (ja) | 1997-12-22 |
| CN1150809A (zh) | 1997-05-28 |
| MX9605423A (es) | 1997-12-31 |
| US5902867A (en) | 1999-05-11 |
| BR9507707A (pt) | 1997-08-19 |
| AU2149895A (en) | 1995-11-29 |
| DE69503778D1 (de) | 1998-09-03 |
| CA2189570A1 (en) | 1995-11-16 |
| TW294681B (enExample) | 1997-01-01 |
| EP0758346A1 (en) | 1997-02-19 |
| WO1995030698A1 (en) | 1995-11-16 |
| EP0758346B1 (en) | 1998-07-29 |
| NL9400758A (nl) | 1995-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69503778T2 (de) | Verfahren zur herstellung eines elastomeren aus ethylen, alfa-olefin und gegebenfalls dien | |
| DE68915616T2 (de) | Verfahren zur Herstellung von Ethylen-alpha-Olefin-Elastomeren mit hohem Molekulargewicht unter Anwendung eines Metallocen-Alumoxan-Katalysators. | |
| DE3750506T2 (de) | Copolymere aus Äthylen und 1,3-Butadien. | |
| DE69312306T2 (de) | Aufträger homogener komplexkatalysator für olefinpolymerisation | |
| DE69412377T2 (de) | Bimetallisches-Metallocene Alumoxan Katalysatorsystem und seine Verwendung für die Herstellung von elastomeren Ethylencopolymerisaten | |
| DE69902362T2 (de) | Polymerisationsverfahren für olefin-copolymere mittels verbrückter hafnocenverbindungen | |
| DE69504178T2 (de) | Ethylen copolymere | |
| DE69015369T2 (de) | Olefinpolymerisationskatalysator aus einer trialkylaluminiummischung, kieselsäuregel und metallocen. | |
| DE69621796T2 (de) | Azaborolinylmetallkomplexe als olefinpolymerisationskatalysatoren | |
| DE69030442T2 (de) | Katalysatoren zur polymerisation von olefinen | |
| DE69619548T2 (de) | Hochtemperature olefin polymerisationsverfahren | |
| DE69819314T2 (de) | Verbesserte und einfache verarbeitung von linearem polyäthylen mit niedriger dichte | |
| DE3855666T4 (de) | Katalysatoren, Verfahren zur Herstellung derselben und Verfahren zu deren Anwendung | |
| DE68928100T2 (de) | Lineare ethylen-copolymermischungen von copolymeren mit engen molekulargewichts- und kompositionsverteilungen | |
| DE69624398T2 (de) | Ethylenpolymere mit enger Polydispersität und Verfahren zu ihrer Herstellung | |
| DE69612424T2 (de) | Besser verarbeitbare Ethylenpolymeren | |
| DE69501720T2 (de) | Katalysatoren und verfahren zur polymerisierung von olefinen | |
| DE3789147T2 (de) | Ungesättigte Äthylenpolymere. | |
| DE69027215T2 (de) | Katalysator auf träger für 1-olefin und 1,4-diolefin kopolymerisation | |
| DE69629227T2 (de) | Verfahren zur Herstellung ataktischer Copolymeren aus Propylene mit Ethylen | |
| DE69614814T2 (de) | Alpha-Olefinpolymerizationskatalysatoren | |
| EP0185918A2 (de) | Verfahren zur Herstellung von Polyolefinen | |
| DE69612494T2 (de) | Verfahren zur herstellung und anwendung eines geträgerten metallocen-alumoxan katalysators | |
| DE69721465T2 (de) | Metallocene, deren Herstellung und deren Verwendung in der Herstellung von Alpha-Olefine | |
| DE3779892T2 (de) | Aethylencopolymere. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |