CN101289520A - 适用于乙烯聚合或共聚合的催化剂 - Google Patents
适用于乙烯聚合或共聚合的催化剂 Download PDFInfo
- Publication number
- CN101289520A CN101289520A CNA2008100164947A CN200810016494A CN101289520A CN 101289520 A CN101289520 A CN 101289520A CN A2008100164947 A CNA2008100164947 A CN A2008100164947A CN 200810016494 A CN200810016494 A CN 200810016494A CN 101289520 A CN101289520 A CN 101289520A
- Authority
- CN
- China
- Prior art keywords
- titanium
- catalyzer
- magnesium
- improving agent
- catalyst
- 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.)
- Granted
Links
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 20
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 title claims abstract description 7
- 229920002554 vinyl polymer Polymers 0.000 title claims abstract description 7
- 239000003054 catalyst Substances 0.000 title abstract description 13
- 239000000460 chlorine Substances 0.000 claims abstract description 21
- 239000012018 catalyst precursor Substances 0.000 claims abstract description 16
- 239000011777 magnesium Substances 0.000 claims abstract description 14
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 14
- -1 magnesium halide Chemical class 0.000 claims abstract description 14
- 239000001257 hydrogen Substances 0.000 claims abstract description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 13
- 125000005234 alkyl aluminium group Chemical group 0.000 claims abstract description 12
- 150000003609 titanium compounds Chemical class 0.000 claims abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011256 inorganic filler Substances 0.000 claims abstract description 9
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 9
- 238000007334 copolymerization reaction Methods 0.000 claims abstract description 8
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 150000004820 halides Chemical class 0.000 claims description 16
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 16
- 239000002243 precursor Substances 0.000 claims description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 9
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 6
- 229960001866 silicon dioxide Drugs 0.000 claims description 6
- 125000005907 alkyl ester group Chemical group 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 4
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 235000011147 magnesium chloride Nutrition 0.000 claims description 4
- 229940043265 methyl isobutyl ketone Drugs 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 150000004292 cyclic ethers Chemical class 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- BPIUIOXAFBGMNB-UHFFFAOYSA-N 1-hexoxyhexane Chemical compound CCCCCCOCCCCCC BPIUIOXAFBGMNB-UHFFFAOYSA-N 0.000 claims description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 2
- CADAOKXOWMHTKV-UHFFFAOYSA-N C(C)O[Ti](OCC)OCC.[Cl] Chemical compound C(C)O[Ti](OCC)OCC.[Cl] CADAOKXOWMHTKV-UHFFFAOYSA-N 0.000 claims description 2
- 125000002252 acyl group Chemical group 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 2
- 229940043232 butyl acetate Drugs 0.000 claims description 2
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- UHSDHNXHBQDMMH-UHFFFAOYSA-L ethanolate;titanium(4+);dichloride Chemical compound CCO[Ti](Cl)(Cl)OCC UHSDHNXHBQDMMH-UHFFFAOYSA-L 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 150000002680 magnesium Chemical class 0.000 claims description 2
- BLQJIBCZHWBKSL-UHFFFAOYSA-L magnesium iodide Chemical class [Mg+2].[I-].[I-] BLQJIBCZHWBKSL-UHFFFAOYSA-L 0.000 claims description 2
- 239000002808 molecular sieve Substances 0.000 claims description 2
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 2
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims description 2
- UBZYKBZMAMTNKW-UHFFFAOYSA-J titanium tetrabromide Chemical compound Br[Ti](Br)(Br)Br UBZYKBZMAMTNKW-UHFFFAOYSA-J 0.000 claims description 2
- NLLZTRMHNHVXJJ-UHFFFAOYSA-J titanium tetraiodide Chemical compound I[Ti](I)(I)I NLLZTRMHNHVXJJ-UHFFFAOYSA-J 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract description 25
- 238000012685 gas phase polymerization Methods 0.000 abstract description 11
- 239000005977 Ethylene Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004711 α-olefin Substances 0.000 abstract description 3
- 239000002685 polymerization catalyst Substances 0.000 abstract description 2
- VGCXGMAHQTYDJK-UHFFFAOYSA-N Chloroacetyl chloride Chemical compound ClCC(Cl)=O VGCXGMAHQTYDJK-UHFFFAOYSA-N 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 125000001309 chloro group Chemical group Cl* 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 21
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 238000005507 spraying Methods 0.000 description 11
- 238000001035 drying Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 229940091250 magnesium supplement Drugs 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000037048 polymerization activity Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- SZIFAVKTNFCBPC-UHFFFAOYSA-N 2-chloroethanol Chemical compound OCCCl SZIFAVKTNFCBPC-UHFFFAOYSA-N 0.000 description 1
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical group CC=C(C)C BKOOMYPCSUNDGP-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
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 1
- SSKWRGAGQRNEOJ-UHFFFAOYSA-H O1CCCC1.[Cl-].[Mg+2].[Ti](Cl)(Cl)(Cl)Cl.[Cl-] Chemical compound O1CCCC1.[Cl-].[Mg+2].[Ti](Cl)(Cl)(Cl)Cl.[Cl-] SSKWRGAGQRNEOJ-UHFFFAOYSA-H 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229940073589 magnesium chloride anhydrous Drugs 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 150000002899 organoaluminium compounds Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 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
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- 238000012725 vapour phase polymerization Methods 0.000 description 1
Landscapes
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Description
催化剂 | Ti% | THF% | 聚合活性gPE/gCat | MIg/10min | B.Dg/cm3 |
实施例1 | 2.32 | 29.5 | 13200 | 0.83 | 0.36 |
实施例2 | 2.26 | 31.5 | 12500 | 0.90 | 0.37 |
实施例3 | 2.34 | 29.0 | 13000 | 0.87 | 0.36 |
实施例4 | 2.33 | 29.7 | 13050 | 0.84 | 0.36 |
实施例5 | 2.33 | 29.5 | 12900 | 0.86 | 0.37 |
对比实施例1 | 2.38 | 28.2 | 10900 | 0.91 | 0.35 |
对比实施例2 | 2.30 | 30.5 | 10300 | 0.95 | 0.36 |
催化剂 | 聚合活性gPE/gCat | 树脂密度g/cm3 | MIg/10min | B.Dg/cm3 |
实施例1 | 23000 | 0.920 | 1.91 | 0.348 |
实施例2 | 20800 | 0.919 | 2.00 | 0.356 |
实施例3 | 21000 | 0.918 | 1.85 | 0.350 |
实施例4 | 22000 | 0.920 | 1.93 | 0.349 |
实施例5 | 21200 | 0.919 | 1.92 | 0.348 |
对比实施例1 | 15200 | 0.920 | 1.95 | 0.349 |
对比实施例2 | 14800 | 0.918 | 1.89 | 0.353 |
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2008100164947A CN101289520B (zh) | 2008-06-07 | 2008-06-07 | 适用于乙烯聚合或共聚合的催化剂 |
Applications Claiming Priority (1)
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CN2008100164947A CN101289520B (zh) | 2008-06-07 | 2008-06-07 | 适用于乙烯聚合或共聚合的催化剂 |
Publications (2)
Publication Number | Publication Date |
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CN101289520A true CN101289520A (zh) | 2008-10-22 |
CN101289520B CN101289520B (zh) | 2012-03-14 |
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Country Status (1)
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CN (1) | CN101289520B (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102875705A (zh) * | 2011-07-12 | 2013-01-16 | 中国石油化工股份有限公司 | 乙烯聚合反应的催化剂组分及催化剂 |
CN102040685B (zh) * | 2009-10-16 | 2013-09-25 | 中国石油化工股份有限公司 | 一种用于乙烯聚合的催化剂组分及催化剂 |
CN103524643A (zh) * | 2012-07-04 | 2014-01-22 | 中国石油天然气股份有限公司 | 聚乙烯催化剂的制备方法 |
CN104250322A (zh) * | 2013-06-28 | 2014-12-31 | 中国石油化工股份有限公司 | 一种用于乙烯聚合反应的催化剂组分及其催化剂 |
CN105814096A (zh) * | 2013-12-20 | 2016-07-27 | 巴塞尔聚烯烃意大利有限公司 | 用于烯烃聚合的催化剂 |
CN106632756A (zh) * | 2015-10-29 | 2017-05-10 | 中国石油化工股份有限公司 | 乙烯聚合用固体催化剂组分及其制备与应用 |
CN106632757A (zh) * | 2015-10-29 | 2017-05-10 | 中国石油化工股份有限公司 | 一种乙烯聚合用固体催化剂组分及其制备与应用 |
CN107446071A (zh) * | 2017-08-22 | 2017-12-08 | 上海立得催化剂有限公司 | 一种抗毒性强的高效聚乙烯催化剂活性组分及其制备方法和应用 |
CN112166128A (zh) * | 2018-06-12 | 2021-01-01 | 陶氏环球技术有限责任公司 | 活化剂-成核剂配制物 |
-
2008
- 2008-06-07 CN CN2008100164947A patent/CN101289520B/zh active Active
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102040685B (zh) * | 2009-10-16 | 2013-09-25 | 中国石油化工股份有限公司 | 一种用于乙烯聚合的催化剂组分及催化剂 |
CN102875705A (zh) * | 2011-07-12 | 2013-01-16 | 中国石油化工股份有限公司 | 乙烯聚合反应的催化剂组分及催化剂 |
CN103524643A (zh) * | 2012-07-04 | 2014-01-22 | 中国石油天然气股份有限公司 | 聚乙烯催化剂的制备方法 |
CN103524643B (zh) * | 2012-07-04 | 2015-08-19 | 中国石油天然气股份有限公司 | 聚乙烯催化剂的制备方法 |
CN104250322A (zh) * | 2013-06-28 | 2014-12-31 | 中国石油化工股份有限公司 | 一种用于乙烯聚合反应的催化剂组分及其催化剂 |
CN104250322B (zh) * | 2013-06-28 | 2017-09-29 | 中国石油化工股份有限公司 | 一种用于乙烯聚合反应的催化剂组分及其催化剂 |
CN105814096A (zh) * | 2013-12-20 | 2016-07-27 | 巴塞尔聚烯烃意大利有限公司 | 用于烯烃聚合的催化剂 |
CN106632756A (zh) * | 2015-10-29 | 2017-05-10 | 中国石油化工股份有限公司 | 乙烯聚合用固体催化剂组分及其制备与应用 |
CN106632757A (zh) * | 2015-10-29 | 2017-05-10 | 中国石油化工股份有限公司 | 一种乙烯聚合用固体催化剂组分及其制备与应用 |
CN106632757B (zh) * | 2015-10-29 | 2019-09-27 | 中国石油化工股份有限公司 | 一种乙烯聚合用固体催化剂组分及其制备与应用 |
CN107446071A (zh) * | 2017-08-22 | 2017-12-08 | 上海立得催化剂有限公司 | 一种抗毒性强的高效聚乙烯催化剂活性组分及其制备方法和应用 |
CN112166128A (zh) * | 2018-06-12 | 2021-01-01 | 陶氏环球技术有限责任公司 | 活化剂-成核剂配制物 |
Also Published As
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