CA1141067A - Methode et produit de copolymerisation en bloc - Google Patents

Methode et produit de copolymerisation en bloc

Info

Publication number: CA1141067A
Authority: CA; Canada
Prior art keywords: block copolymer; propylene; electron donor; polymer; ethylene
Prior art date: 1980-07-07
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

Application number

CA000364587A

Other languages

English (en)

Inventor

Edward A. Zukowski

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

El Paso Polyolefins Co

Original Assignee

El Paso Polyolefins Co

Priority date (The priority date 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 date listed.)

1980-07-07

Filing date

1980-11-13

Publication date

1983-02-08

1980-11-13 Application filed by El Paso Polyolefins Co filed Critical El Paso Polyolefins Co

1983-02-08 Application granted granted Critical

1983-02-08 Publication of CA1141067A publication Critical patent/CA1141067A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 17
230000008569 process Effects 0.000 title claims abstract description 13
238000012661 block copolymerization Methods 0.000 title abstract description 4
229920000642 polymer Polymers 0.000 claims abstract description 55
239000003054 catalyst Substances 0.000 claims abstract description 54
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 32
239000005977 Ethylene Substances 0.000 claims abstract description 32
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 36
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 35
229920001400 block copolymer Polymers 0.000 claims description 30
238000006243 chemical reaction Methods 0.000 claims description 24
238000006116 polymerization reaction Methods 0.000 claims description 22
239000010936 titanium Substances 0.000 claims description 22
239000000178 monomer Substances 0.000 claims description 21
229910052782 aluminium Inorganic materials 0.000 claims description 17
150000001875 compounds Chemical class 0.000 claims description 15
229910052719 titanium Inorganic materials 0.000 claims description 15
239000011777 magnesium Substances 0.000 claims description 14
-1 propylene-ethylene Chemical group 0.000 claims description 14
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 13
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
150000002148 esters Chemical class 0.000 claims description 13
229910052749 magnesium Inorganic materials 0.000 claims description 12
239000000203 mixture Substances 0.000 claims description 11
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 10
239000012808 vapor phase Substances 0.000 claims description 9
229920001155 polypropylene Polymers 0.000 claims description 8
MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical group CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 claims description 6
239000002253 acid Substances 0.000 claims description 4
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 4
229920001577 copolymer Polymers 0.000 claims description 4
229910052751 metal Inorganic materials 0.000 claims description 4
239000002184 metal Substances 0.000 claims description 4
230000000379 polymerizing effect Effects 0.000 claims description 4
VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 claims description 4
MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 claims description 4
125000004432 carbon atom Chemical group C* 0.000 claims description 3
150000004985 diamines Chemical class 0.000 claims description 3
QSSJZLPUHJDYKF-UHFFFAOYSA-N methyl 4-methylbenzoate Chemical group COC(=O)C1=CC=C(C)C=C1 QSSJZLPUHJDYKF-UHFFFAOYSA-N 0.000 claims description 3
229920000768 polyamine Polymers 0.000 claims description 3
125000000217 alkyl group Chemical group 0.000 claims description 2
239000007791 liquid phase Substances 0.000 claims description 2
235000001055 magnesium Nutrition 0.000 claims 5
229940091250 magnesium supplement Drugs 0.000 claims 5
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical group [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims 2
150000001732 carboxylic acid derivatives Chemical class 0.000 claims 2
235000011147 magnesium chloride Nutrition 0.000 claims 1
229920001384 propylene homopolymer Polymers 0.000 claims 1
XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims 1
YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 claims 1
238000002360 preparation method Methods 0.000 abstract description 5
229920005676 ethylene-propylene block copolymer Polymers 0.000 abstract description 3
229940095050 propylene Drugs 0.000 description 29
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 18
239000000047 product Substances 0.000 description 16
239000007788 liquid Substances 0.000 description 14
229930195733 hydrocarbon Natural products 0.000 description 12
150000002430 hydrocarbons Chemical class 0.000 description 12
239000003085 diluting agent Substances 0.000 description 11
239000004215 Carbon black (E152) Substances 0.000 description 10
235000010210 aluminium Nutrition 0.000 description 8
HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 7
IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 6
239000002002 slurry Substances 0.000 description 6
238000000465 moulding Methods 0.000 description 5
239000004711 α-olefin Substances 0.000 description 5
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
239000000460 chlorine Substances 0.000 description 4
229910052801 chlorine Inorganic materials 0.000 description 4
OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
238000000926 separation method Methods 0.000 description 4
XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
238000013019 agitation Methods 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000000470 constituent Substances 0.000 description 3
230000000694 effects Effects 0.000 description 3
238000001125 extrusion Methods 0.000 description 3
239000000835 fiber Substances 0.000 description 3
239000012467 final product Substances 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
239000003607 modifier Substances 0.000 description 3
229920005989 resin Polymers 0.000 description 3
239000011347 resin Substances 0.000 description 3
239000007787 solid Substances 0.000 description 3
239000000243 solution Substances 0.000 description 3
RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
FHUODBDRWMIBQP-UHFFFAOYSA-N Ethyl p-anisate Chemical compound CCOC(=O)C1=CC=C(OC)C=C1 FHUODBDRWMIBQP-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
239000004698 Polyethylene Substances 0.000 description 2
239000004743 Polypropylene Substances 0.000 description 2
150000007513 acids Chemical class 0.000 description 2
239000000654 additive Substances 0.000 description 2
150000001336 alkenes Chemical class 0.000 description 2
125000005234 alkyl aluminium group Chemical group 0.000 description 2
KSKPGAGLAZXNEO-UHFFFAOYSA-H aluminum;titanium(3+);hexachloride Chemical compound [Al+3].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Ti+3] KSKPGAGLAZXNEO-UHFFFAOYSA-H 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
239000001273 butane Substances 0.000 description 2
230000003197 catalytic effect Effects 0.000 description 2
YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 description 2
239000012530 fluid Substances 0.000 description 2
229910052736 halogen Inorganic materials 0.000 description 2
150000002367 halogens Chemical class 0.000 description 2
229920001519 homopolymer Polymers 0.000 description 2
238000002347 injection Methods 0.000 description 2
239000007924 injection Substances 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical group COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 2
DDIZAANNODHTRB-UHFFFAOYSA-N methyl p-anisate Chemical group COC(=O)C1=CC=C(OC)C=C1 DDIZAANNODHTRB-UHFFFAOYSA-N 0.000 description 2
IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
239000012071 phase Substances 0.000 description 2
230000000704 physical effect Effects 0.000 description 2
229920000573 polyethylene Polymers 0.000 description 2
238000012545 processing Methods 0.000 description 2
239000001294 propane Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
239000003039 volatile agent Substances 0.000 description 2
CXENHBSYCFFKJS-OXYODPPFSA-N (Z,E)-alpha-farnesene Chemical compound CC(C)=CCC\C(C)=C\C\C=C(\C)C=C CXENHBSYCFFKJS-OXYODPPFSA-N 0.000 description 1
NSMWYRLQHIXVAP-UHFFFAOYSA-N 2,5-dimethylpiperazine Chemical compound CC1CNC(C)CN1 NSMWYRLQHIXVAP-UHFFFAOYSA-N 0.000 description 1
ZEYHEAKUIGZSGI-UHFFFAOYSA-N 4-methoxybenzoic acid Chemical compound COC1=CC=C(C(O)=O)C=C1 ZEYHEAKUIGZSGI-UHFFFAOYSA-N 0.000 description 1
102100027708 Astrotactin-1 Human genes 0.000 description 1
239000005711 Benzoic acid Substances 0.000 description 1
WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
101000936741 Homo sapiens Astrotactin-1 Proteins 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
241001527806 Iti Species 0.000 description 1
238000011387 Li's method Methods 0.000 description 1
KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 1
239000004264 Petrolatum Substances 0.000 description 1
101001074199 Rattus norvegicus Glycerol kinase Proteins 0.000 description 1
229910010061 TiC13 Inorganic materials 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
125000005907 alkyl ester group Chemical group 0.000 description 1
125000005263 alkylenediamine group Chemical group 0.000 description 1
159000000032 aromatic acids Chemical class 0.000 description 1
150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
235000010233 benzoic acid Nutrition 0.000 description 1
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
229910052794 bromium Inorganic materials 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
150000001735 carboxylic acids Chemical class 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
230000002844 continuous effect Effects 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000007334 copolymerization reaction Methods 0.000 description 1
230000000875 corresponding effect Effects 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
LDCRTTXIJACKKU-ARJAWSKDSA-N dimethyl maleate Chemical compound COC(=O)\C=C/C(=O)OC LDCRTTXIJACKKU-ARJAWSKDSA-N 0.000 description 1
239000002270 dispersing agent Substances 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000000975 dye Substances 0.000 description 1
HHEIMYAXCOIQCJ-UHFFFAOYSA-N ethyl 2,2-dimethylpropanoate Chemical compound CCOC(=O)C(C)(C)C HHEIMYAXCOIQCJ-UHFFFAOYSA-N 0.000 description 1
RETLCWPMLJPOTP-UHFFFAOYSA-N ethyl 2-chlorobenzoate Chemical compound CCOC(=O)C1=CC=CC=C1Cl RETLCWPMLJPOTP-UHFFFAOYSA-N 0.000 description 1
SOUAXOGPALPTTC-UHFFFAOYSA-N ethyl 2-methylbenzoate Chemical compound CCOC(=O)C1=CC=CC=C1C SOUAXOGPALPTTC-UHFFFAOYSA-N 0.000 description 1
229940093499 ethyl acetate Drugs 0.000 description 1
235000019439 ethyl acetate Nutrition 0.000 description 1
JJOYCHKVKWDMEA-UHFFFAOYSA-N ethyl cyclohexanecarboxylate Chemical compound CCOC(=O)C1CCCCC1 JJOYCHKVKWDMEA-UHFFFAOYSA-N 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000000945 filler Substances 0.000 description 1
150000004820 halides Chemical class 0.000 description 1
239000012760 heat stabilizer Substances 0.000 description 1
229920000140 heteropolymer Polymers 0.000 description 1
229960000443 hydrochloric acid Drugs 0.000 description 1
235000011167 hydrochloric acid Nutrition 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000004611 light stabiliser Substances 0.000 description 1
238000004811 liquid chromatography Methods 0.000 description 1
239000000314 lubricant Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
239000006078 metal deactivator Substances 0.000 description 1
239000002480 mineral oil Substances 0.000 description 1
235000010446 mineral oil Nutrition 0.000 description 1
150000007522 mineralic acids Chemical class 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
239000003921 oil Substances 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical class CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 1
229940066842 petrolatum Drugs 0.000 description 1
235000019271 petrolatum Nutrition 0.000 description 1
150000003018 phosphorus compounds Chemical class 0.000 description 1
239000002685 polymerization catalyst Substances 0.000 description 1
229920000098 polyolefin Polymers 0.000 description 1
239000000843 powder Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000007921 spray Substances 0.000 description 1
238000010998 test method Methods 0.000 description 1
SQBBHCOIQXKPHL-UHFFFAOYSA-N tributylalumane Chemical compound CCCC[Al](CCCC)CCCC SQBBHCOIQXKPHL-UHFFFAOYSA-N 0.000 description 1
AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 description 1
JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
238000009834 vaporization Methods 0.000 description 1
230000008016 vaporization Effects 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
- C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (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)
Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Graft Or Block Polymers (AREA)

CA000364587A 1980-07-07 1980-11-13 Methode et produit de copolymerisation en bloc Expired CA1141067A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US16376680A	1980-07-07	1980-07-07
US163,766		1980-07-07

Publications (1)

Publication Number	Publication Date
CA1141067A true CA1141067A (fr)	1983-02-08

Family

ID=22591466

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000364587A Expired CA1141067A (fr)	1980-07-07	1980-11-13	Methode et produit de copolymerisation en bloc

Country Status (6)

Country	Link
JP (1)	JPS5731916A (fr)
CA (1)	CA1141067A (fr)
DE (1)	DE3043949A1 (fr)
FR (1)	FR2486084A2 (fr)
NO (1)	NO803380L (fr)
ZA (1)	ZA805568B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6099108A (ja) *	1983-11-04	1985-06-03	Tokuyama Soda Co Ltd	ポリプロピレン成形品の製造方法
JPS6189365A (ja) *	1984-10-05	1986-05-07	宮本株式会社	ミシンに於ける自動糸通装置
FR2791991B1 (fr) *	1999-03-24	2003-08-29	Atochem Elf Sa	Procede de copolymerisation et copolymeres ainsi obtenus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5847402B2 (ja) *	1976-02-13	1983-10-22	三井化学株式会社	成形用重合体組成物およびその製法
US3514501A (en) *	1967-01-09	1970-05-26	Dart Ind Inc	Process for preparing block polymers from alpha-olefins
US3954704A (en) *	1969-09-11	1976-05-04	Imperial Chemical Industries Limited	Polymer compositions
JPS4945308A (fr) *	1972-09-07	1974-04-30
US4051313A (en) *	1973-08-03	1977-09-27	Montedison S.P.A.	Process for purifying polypropylene
JPS5811448B2 (ja) *	1978-02-27	1983-03-03	株式会社トクヤマ	ブロック共重合体の製造方法
US4284739A (en) *	1979-07-27	1981-08-18	El Paso Polyolefins Company	Block copolymerization process

1980
- 1980-09-09 ZA ZA00805568A patent/ZA805568B/xx unknown
- 1980-10-22 FR FR8022598A patent/FR2486084A2/fr active Pending
- 1980-11-10 NO NO803380A patent/NO803380L/no unknown
- 1980-11-13 CA CA000364587A patent/CA1141067A/fr not_active Expired
- 1980-11-21 DE DE19803043949 patent/DE3043949A1/de not_active Withdrawn
- 1980-12-09 JP JP17271480A patent/JPS5731916A/ja active Pending

Also Published As

Publication number	Publication date
FR2486084A2 (fr)	1982-01-08
NO803380L (no)	1982-01-08
JPS5731916A (en)	1982-02-20
DE3043949A1 (de)	1982-02-04
ZA805568B (en)	1982-01-27

Legal Events

Date	Code	Title	Description
2000-02-08	MKEX	Expiry

Publication	Publication Date	Title
US3914342A (en)	1975-10-21	Ethylene polymer blend and polymerization process for preparation thereof
CA1152697A (fr)	1983-08-23	Methode d'obtention de copolymere de propylene
US4923935A (en)	1990-05-08	Process for producing polyethylene of ultrahigh molecular weight
AU610905B2 (en)	1991-05-30	Process for the preparation of a polyolefin with a wide molecular mass distribution
US3998911A (en)	1976-12-21	Polypropylene molding composition and process for its preparation
GB2175909A (en)	1986-12-10	Moulding composition
US4284738A (en)	1981-08-18	Ethylene-propylene block copolymerization process and product
AU632414B2 (en)	1992-12-24	Copolymers of propylene with other 1-alkenes
CA1204725A (fr)	1986-05-20	Procede de polymerisation des polyolefines et catalyseur
US4334041A (en)	1982-06-08	Two-phase ethylene-propylene block copolymerization process
US4297445A (en)	1981-10-27	Continuous production of olefin block copolymers
US4543389A (en)	1985-09-24	Copolymerization catalyst and process for polymerizing impact resistant ethylene-propylene polymers
US4308357A (en)	1981-12-29	Block copolymerization process and product
US4520163A (en)	1985-05-28	Process of sequentially copolymerizing propylene-ethylene copolymers and catalyst therefor
US4284739A (en)	1981-08-18	Block copolymerization process
AU653631B2 (en)	1994-10-06	Preparation of ziegler-natta catalyst systems
CA1141067A (fr)	1983-02-08	Methode et produit de copolymerisation en bloc
US5147928A (en)	1992-09-15	Preparation of propylene-ethylene copolymers
GB1577512A (en)	1980-10-22	Olefin polymerization
US5576400A (en)	1996-11-19	Process for producing olefin polymer
GB2055388A (en)	1981-03-04	Block copolymerization process and product
US3444153A (en)	1969-05-13	Polymerization process and catalyst for olefins
US4210734A (en)	1980-07-01	Controlled ethylene polymerization process
AU651161B2 (en)	1994-07-14	Ethylene-propylene copolymer compositions
US4370458A (en)	1983-01-25	Process for the manufacture of polyolefins