WO2012098086A1 - Polyolefin composition - Google Patents
Polyolefin composition Download PDFInfo
- Publication number
- WO2012098086A1 WO2012098086A1 PCT/EP2012/050589 EP2012050589W WO2012098086A1 WO 2012098086 A1 WO2012098086 A1 WO 2012098086A1 EP 2012050589 W EP2012050589 W EP 2012050589W WO 2012098086 A1 WO2012098086 A1 WO 2012098086A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyolefin composition
- ethylene
- ranging
- polymer
- propylene
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 39
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 17
- 229920000642 polymer Polymers 0.000 claims abstract description 29
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000005977 Ethylene Substances 0.000 claims abstract description 23
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 16
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000008096 xylene Substances 0.000 claims abstract description 15
- 229920001577 copolymer Polymers 0.000 claims abstract description 11
- 239000000155 melt Substances 0.000 claims abstract description 5
- 229920001519 homopolymer Polymers 0.000 claims abstract description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- -1 polypropylene Polymers 0.000 description 23
- 239000003054 catalyst Substances 0.000 description 18
- 150000001875 compounds Chemical class 0.000 description 15
- 238000006116 polymerization reaction Methods 0.000 description 11
- 239000010936 titanium Substances 0.000 description 11
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 9
- 239000011949 solid catalyst Substances 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 150000003377 silicon compounds Chemical class 0.000 description 6
- 230000002087 whitening effect Effects 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- JWCYDYZLEAQGJJ-UHFFFAOYSA-N dicyclopentyl(dimethoxy)silane Chemical compound C1CCCC1[Si](OC)(OC)C1CCCC1 JWCYDYZLEAQGJJ-UHFFFAOYSA-N 0.000 description 4
- 229920001198 elastomeric copolymer Polymers 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 4
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 125000000753 cycloalkyl group Chemical group 0.000 description 3
- 150000004820 halides Chemical class 0.000 description 3
- 125000005842 heteroatom Chemical group 0.000 description 3
- 150000002430 hydrocarbons Chemical group 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 150000003609 titanium compounds Chemical class 0.000 description 3
- RKMGAJGJIURJSJ-UHFFFAOYSA-N 2,2,6,6-tetramethylpiperidine Chemical compound CC1(C)CCCC(C)(C)N1 RKMGAJGJIURJSJ-UHFFFAOYSA-N 0.000 description 2
- UWNADWZGEHDQAB-UHFFFAOYSA-N 2,5-dimethylhexane Chemical group CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 2
- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000012764 mineral filler Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002667 nucleating agent Substances 0.000 description 2
- 125000005498 phthalate group Chemical class 0.000 description 2
- 229920001384 propylene homopolymer Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- PJSFQEVODHCOOF-UHFFFAOYSA-N (2-ethylpiperidin-1-yl)-dimethoxy-(3,3,3-trifluoropropyl)silane Chemical compound CCC1CCCCN1[Si](CCC(F)(F)F)(OC)OC PJSFQEVODHCOOF-UHFFFAOYSA-N 0.000 description 1
- SMGIPPNIBFQJBW-SXOMAYOGSA-N (2s)-n-[[2-(aminomethyl)-5-chlorophenyl]methyl]-1-[(2r)-2-(benzylsulfonylamino)-3-cyclohexylpropanoyl]pyrrolidine-2-carboxamide Chemical compound NCC1=CC=C(Cl)C=C1CNC(=O)[C@H]1N(C(=O)[C@@H](CC2CCCCC2)NS(=O)(=O)CC=2C=CC=CC=2)CCC1 SMGIPPNIBFQJBW-SXOMAYOGSA-N 0.000 description 1
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 1
- WUYMUVBIVVABRN-UHFFFAOYSA-N 1-[[4-[4-amino-5-(3-methoxyphenyl)pyrrolo[2,3-d]pyrimidin-7-yl]phenyl]methyl]piperidin-4-ol Chemical group COC1=CC=CC(C=2C3=C(N)N=CN=C3N(C=3C=CC(CN4CCC(O)CC4)=CC=3)C=2)=C1 WUYMUVBIVVABRN-UHFFFAOYSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical compound CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 229910010062 TiCl3 Inorganic materials 0.000 description 1
- 229910003074 TiCl4 Inorganic materials 0.000 description 1
- 238000002083 X-ray spectrum Methods 0.000 description 1
- 238000006653 Ziegler-Natta catalysis Methods 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 150000005840 aryl radicals Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- MEWFSXFFGFDHGV-UHFFFAOYSA-N cyclohexyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C1CCCCC1 MEWFSXFFGFDHGV-UHFFFAOYSA-N 0.000 description 1
- SJJCABYOVIHNPZ-UHFFFAOYSA-N cyclohexyl-dimethoxy-methylsilane Chemical compound CO[Si](C)(OC)C1CCCCC1 SJJCABYOVIHNPZ-UHFFFAOYSA-N 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- HQWPLXHWEZZGKY-UHFFFAOYSA-N diethylzinc Chemical compound CC[Zn]CC HQWPLXHWEZZGKY-UHFFFAOYSA-N 0.000 description 1
- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- AHUXYBVKTIBBJW-UHFFFAOYSA-N dimethoxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](OC)(OC)C1=CC=CC=C1 AHUXYBVKTIBBJW-UHFFFAOYSA-N 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- DWNAQMUDCDVSLT-UHFFFAOYSA-N diphenyl phthalate Chemical compound C=1C=CC=C(C(=O)OC=2C=CC=CC=2)C=1C(=O)OC1=CC=CC=C1 DWNAQMUDCDVSLT-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 230000000707 stereoselective effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003890 succinate salts Chemical class 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- HXLWJGIPGJFBEZ-UHFFFAOYSA-N tert-butyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C(C)(C)C HXLWJGIPGJFBEZ-UHFFFAOYSA-N 0.000 description 1
- NETBVGNWMHLXRP-UHFFFAOYSA-N tert-butyl-dimethoxy-methylsilane Chemical compound CO[Si](C)(OC)C(C)(C)C NETBVGNWMHLXRP-UHFFFAOYSA-N 0.000 description 1
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
- JAYPHJBLPAEMEX-UHFFFAOYSA-N trimethoxy(2-methylpentan-2-yl)silane Chemical compound CCCC(C)(C)[Si](OC)(OC)OC JAYPHJBLPAEMEX-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/02—Heterophasic composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/02—Ziegler natta catalyst
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a polyolefin composition having a good balance of mechanical properties in particular being characterized by an high degree of workability.
- the polyolefin compositions according to the present invention find application in luggage, house ware, case for rechargeable lead batteries, and in automotive field, in particular as bumpers and interior trims.
- the isotactic polypropylene though being endowed with an exceptional combination of excellent properties, is affected by the drawback of possessing an insufficient impact resistance at relatively low temperatures.
- WO 2006/067023 relates to a polypropylene composition
- a polypropylene composition comprising (per cent by weight): a) 50-77%, preferably 50 to less than 70%, of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13 C-MNR on the fraction insoluble in xylene at 25°C, higher than 97.5 molar % and a polydispersity index ranging from 4 to 10, preferably from 5 to 10, more preferably from 5.5 to 10;
- the composition typically has a value of melt flow rate ranging from 10 to 30, preferably 10 to 20, g/10 min.
- WO 2006/125720 relates to a propylene polymer composition comprising (per cent by weight):
- This composition typically has a value of melt flow rate ranging from 0.50 to 10 g/10 min, preferably 0.10 to 5 g/10 min, more preferably 1.3 to 4 g/10 min.
- the first object of the present invention is a polyolefin composition comprising:
- composition having a value of melt flow rate (MFR) determined according to ISO method 1133 (230° C and 2.16 kg) ranging from 3.6 to 8.0 g/10 min, preferably from 4.1 to 7.0 g/10 min.
- MFR melt flow rate
- the weight ratio between polyethylene (c) and copolymer (b) is comprised between 0.7 and 1.2; preferably between 0.8 and 1.1.
- copolymer refers to polymers with two different recurring units in the chain.
- composition of the present invention shows improved workability as shown by the spiral test values and at the same time maintains good values of stress whitening resistance. This feature renders the polyolefin composition object of the present invention fit for the preparation of injected molded articles such as bumpers, luggage and cases for batteries in particular cases for lead batteries.
- the composition of the present invention exhibits a flexural modulus value of at least 1200 MPa, preferably from 1300 to 1600 MPa.
- Propylene polymer (a) is a propylene homopolymer or a propylene/ethylene copolymer having less than 5% by weight, preferably less than 3% by weight, more preferably less than 2% by weight of ethylene derived units content.
- Propylene polymer (a) is a propylene homopolymer
- Copolymer (b) preferably exhibits a fraction insoluble in xylene at room temperature that is typically in amounts of less than 45 wt%, preferably up to 15 wt%.
- the xylene-insoluble polymer fraction of copolymer (b) is reach in ethylene; the amount of ethylene is typically higher than 55 wt%.
- Ethylene homopolymer (c) can contain small amount (less than 5% by weight, preferably less than 1% by weight) of propylene derived units.
- composition of the present invention is obtained by means of a sequential copolymerization process.
- Said process comprising at least three sequential polymerization stages with each subsequent polymerization stage being conducted in the presence of the polymeric material formed in the immediately preceding polymerization reaction, wherein the polymerization stage of propylene to the crystalline polymer (a) is carried out in at least one stage, than a copolymerization stage of mixtures of ethylene with propylene to the elastomeric polymer (b) and finally a polymerization stage of ethylene to polyethylene (c) are carried out.
- the polymerisation stages may be carried out in the presence of a stereospecific Ziegler-Natta catalyst.
- all the polymerisation stages are carried out in the presence of a catalyst comprising a trialkylaluminium compound, an electron donor, and a solid catalyst component comprising a halide or halogen-alcoholate of Ti and an electron- donor compound supported on anhydrous magnesium chloride.
- a catalyst comprising a trialkylaluminium compound, an electron donor, and a solid catalyst component comprising a halide or halogen-alcoholate of Ti and an electron- donor compound supported on anhydrous magnesium chloride.
- the polymerisation catalyst is a Ziegler-Natta catalyst comprising a solid catalyst component comprising: a) Mg, Ti and halogen and an electron donor (internal donor),
- the internal donor is selected from the esters of mono or dicarboxylic organic acids such as phthalates. They are described in US patent 4522930, European patent 45977 and international patent applications WO 00/63261 and WO 01/57099, for example. Particularly suited are the phthalic acid esters. Alkylphthalates are preferred, such as diisobutyl, dioctyl and diphenyl phthalate and benzyl-butyl phthalate.
- the Al-alkyl compounds used as co-catalysts comprise Al-trialkyls, such as Al-triethyl, Al- triisobutyl, Al-tri-n-butyl, and linear or cyclic Al-alkyl compounds containing two or more Al atoms bonded to each other by way of O or N atoms, or S0 4 or S0 3 groups.
- the Al-alkyl compound is generally used in such a quantity that the Al/Ti ratio be from 1 to 1000.
- the external donors (c) are silicon compounds, ethers, esters such as phthalates, benzoates, succinates, amines, heterocyclic compounds and particularly 2,2,6,6-tetramethylpiperidine, ketones and the 1,3-diethers of the general formula (III):
- R 1 and R n are the same or different and are Ci-Cis alkyl, C3-C18 cycloalkyl or C 7 - Ci8 aryl radicals; R ni and R IV are the same or different and are C 1 -C 4 alkyl radicals; or the 1,3-diethers in which the carbon atom in position 2 belongs to a cyclic or polycyclic structure made up of 5, 6 or 7 carbon atoms and containing two or three unsaturations.
- Preferred electron-donor compounds that can be used as external donors include aromatic silicon compounds containing at least one Si-OR bond, where R is a hydrocarbon radical.
- a particularly preferred class of external donor compounds is that of silicon compounds of formula R a 7 R b 8 Si(OR 9 ) c , where a and b are integers from 0 to 2, c is an integer from 1 to 3 and the sum (a+b+c) is 4; R 7 , R 8 , and R 9 , are Ci-Cis hydrocarbon groups optionally containing heteroatoms.
- Examples of such preferred silicon compounds are cyclohexyltrimethoxysilane, t-butyltrimethoxysilane, t-hexyltrimethoxysilane, cyclohexylmethyldimethoxysilane, 3,3,3-trifluoropropyl-2-ethylpiperidyl-dimethoxysilane, diphenyldimethoxysilane, methyl-t-butyldimethoxysilane, dicyclopentyldimethoxysilane, 2- ethylpiperidinyl-2-t-butyldimethoxysilane, (l,l,l-trifluoro-2-propyl)-methyldimethoxysilane and (l,l,l-trifluoro-2-propyl)-2-ethylpiperidinyldimethoxysilane.
- Particularly preferred specific examples of silicon compounds are (tert-butyl)2Si(OCH 3 )2, (cyclohexyl)(methyl) Si(OCH 3 ) 2 , (phenyl) 2 Si(OCH 3 ) 2 and (cyclopentyl) 2 Si(OCH 3 ) 2 .
- the electron donor compound (c) is used in such an amount to give a molar ratio between the organoaluminum compound and said electron donor compound (c) of from 0.1 to 500, more preferably from 1 to 300 and in partcular from 3 to 100.
- the solid catalyst component comprises, in addition to the above electron donors, Ti, Mg and halogen.
- the catalyst component comprises a titanium compound, having at least a Ti-halogen bond and the above mentioned electron donor compounds supported on a Mg halide.
- the magnesium halide is preferably MgCl 2 in active form, which is widely known from the patent literature as a support for Ziegler-Natta catalysts. Patents USP 4,298,718 and USP 4,495,338 were the first to describe the use of these compounds in Ziegler-Natta catalysis.
- magnesium dihalides in active form used as support or co-support in components of catalysts for the polymerisation of olefins are characterized by X-ray spectra in which the most intense diffraction line that appears in the spectrum of the non-active halide is diminished in intensity and is replaced by a halo whose maximum intensity is displaced towards lower angles relative to that of the more intense line.
- the preferred titanium compounds are TiCl 4 and TiCl 3 ; furthermore, also Ti-haloalcoholates of formula Ti(OR)n-yXy can be used, where n is the valence of titanium, y is a number between 1 and n, X is halogen and R is a hydrocarbon radical having from 1 to 10 carbon atoms.
- the preparation of the solid catalyst component can be carried out according to several methods, well known and described in the art.
- the solid catalyst component can be prepared by reacting a titanium compound of formula Ti(OR)n-yXy, where n is the valence of titanium and y is a number between 1 and n, preferably T1CI4, with a magnesium chloride deriving from an adduct of formula MgCl 2 -pROH, where p is a number between 0.1 and 6, preferably from 2 to 3.5, and R is a hydrocarbon radical having 1-18 carbon atoms.
- the adduct can be suitably prepared in spherical form by mixing alcohol and magnesium chloride in the presence of an inert hydrocarbon immiscible with the adduct, operating under stirring conditions at the melting temperature of the adduct (100-130° C). Then, the emulsion is quickly quenched, thereby causing the solidification of the adduct in form of spherical particles.
- spherical adducts prepared according to this procedure are described in USP 4,399,054 and USP 4,469,648.
- the so obtained adduct can be directly reacted with the Ti compound or it can be previously subjected to thermally controlled dealcoholation (80-130° C) so as to obtain an adduct in which the number of moles of alcohol is generally lower than 3, preferably between 0.1 and 2.5.
- the reaction with the Ti compound can be carried out by suspending the adduct (dealcoholated or as such) in cold T1CI4 (generally 0° C); the mixture is heated up to 80-130° C and kept at this temperature for 0.5-2 hours.
- the treatment with T1CI4 can be carried out one or more times.
- the electron donor compound(s) can be added during the treatment with T1CI4.
- the final amount of the electron donor compound(s) is preferably such that the molar ratio with respect to the MgCl 2 is from 0.01 to 1, more preferably from 0.05 to 0.5.
- the catalysts may be pre-contacted with small quantities of olefin (pre-polymerisation), maintaining the catalyst in suspension in a hydrocarbon solvent, and polymerising at temperatures from room to 60° C, thus producing a quantity of polymer from 0.5 to 3 times the weight of the catalyst.
- the operation can also take place in liquid monomer, producing, in this case, a quantity of polymer 1000 times the weight of the catalyst.
- the polyolefin compositions are obtained in spheroidal particle form, the particles having an average diameter from about 250 to 7,000 microns, a flowability of less than 30 seconds and a bulk density (compacted) greater than 0.4 g/ml.
- the polymerisation stages may occur in liquid phase, in gas phase or liquid-gas phase.
- the polymerisation of crystalline polymer (a) is carried out in liquid monomer (e.g. using liquid propylene as diluent), while the copolymerisation stages of elastomeric copolymer (b) and polyethylene (c) are carried out in gas phase.
- all the three sequential polymerisation stages can be carried out in gas phase.
- the reaction temperature in the polymerisation stage for the preparation of crystalline polymer (a) and in the preparation of the elastomeric copolymer (b) and polyethylene (c) in be the same or different, and is preferably from 40 to 100° C; more preferably, the reaction temperature ranges from 50 to 80° C in the preparation of polymer (a), and from 70 to 100° C for the preparation of polymer components (b) and (c).
- the pressure of the polymerisation stage to prepare polymer (a), if carried out in liquid monomer, is the one which competes with the vapour pressure of the liquid propylene at the operating temperature used, and it may be modified by the vapour pressure of the small quantity of inert diluent used to feed the catalyst mixture, by the overpressure of optional monomers and by the hydrogen used as molecular weight regulator.
- the polymerisation pressure preferably ranges from 33 to 43 bar, if done in liquid phase, and from 5 to 30 bar if done in gas phase.
- the residence times relative to the two stages depend on the desired ratio between polymers (a) and (b) and (c), and can usually range from 15 minutes to 8 hours.
- additives, fillers and pigments commonly used in olefin polymers, may be added, such as nucleating agents, extension oils, mineral fillers, and other organic and inorganic pigments.
- inorganic fillers such as talc, calcium carbonate and mineral fillers, also brings about an improvement of some mechanical properties, such as flexural modulus and HDT. Talc can also have a nucleating effect.
- the nucleating agents are preferably added to the compositions of the present invention in quantities ranging from 0.05 to 2% by weight, more preferably from 0.1 to 1% by weight with respect to the total weight.
- the polypropylene object of the present invention is especially designed for case batteries, preferably for case for lead batteries.
- e further object of the present invention is a case for lead batteries comprising the polypropylene composition of the present invention.
- the case object of the present invention has a parallelepiped shape comprising a bottom part and four side parts the internal space being divided in a plurality of cells by one or more spacers.
- Fig 1 shows a side cross section an embodiment of the polypropylene case according to the present invention.
- the case 1 contains a plurality of individual cells 2 created by the spacer 3
- the following examples intend to illustrate, without limiting, the present invention.
- Ethylene content has been determined by IR spectroscopy.
- the modulus separation at loss modulus value e.g. 500 Pa
- RMS-800 parallel plates rheometer model marketed by Rheometrics (USA)
- the PI can be derived using the following equation:
- modulus separation is defined as:
- G' is the storage modulus and G" is the loss modulus.
- - Flexural modulus Determined according to ISO method 178.
- - Stress-whitening resistance The resistance to whitening is determined by subjecting small disc, which have a 4 cm diameter and prepared by injection moulding, prepared from the polymer being tested to the impact of a ram having a 76 g weight. Both the minimum height (h) up to the maximum height allowed by the apparatus necessary to obtain whitening, and the width (diameter) of the whitened area are recorded.
- the spiral flow evaluation comprises injecting molten polymer into the center of a hollow spiral mold, and measuring the total length of solidified resin to determine how far the material will flow before it solidifies under specified conditions of pressure and temperature:
- the spiral flow measurements are taken at four different pressures 20 bar, 40 bar, 60 bar, 80 bar and 100 bar:
- a Ziegler-Natta catalyst was used as the polymerization catalyst comprising:
- the catalyst system is then subjected to pre-polymerization by maintaining it in suspension in liquid propylene at 20° C for about 5 minutes before introducing it into the first polymerization reactor.
- the polymerisation run is conducted in continuous in a series of three reactors equipped with devices to transfer the product from one reactor to the one immediately next to it.
- the first reactor is a liquid phase reactor
- the second and third reactors are fluid bed gas phase reactors.
- Polymer (a) is prepared in the first reactor, while polymers (b) and (c) are prepared in the second and third reactor, respectively.
- Temperature and pressure are maintained constant throughout the course of the reaction.
- Hydrogen is used as molecular weight regulator.
- the gas phase (propylene, ethylene and hydrogen) is continuously analysed via gas-chromatography. At the end of the run the powder is discharged and dried under a nitrogen flow.
- the polymer particles are introduced in an extrusion, wherein they are mixed with 8500 ppm of talc, 1500 ppm of Irganox B 215 (made of 1 part of Irganox 1010 and 2 parts of Irgafos 168) and 500 ppm of Ca stearate, to obtain a nucleated composition.
- Irganox 1010 is pentaerytrityl tetrakis 3-(3,5-di-tert-butyl-4- hydroxyphenyl) propanoate, while Irgafos 168 is tris (2,4-di-tert-butylphenyl) phosphite, btoh marketed by Ciba-Geigy.
- the polymer particles are extruded under nitrogen atmosphere in a twin screw extruder, at a rotation speed of 250 rpm and a melt temperature of 200- 250°C.
- Table 1 reports the polymerization conditions.
- Table 2 reports the analysis of the obtained composition.
- H2 cone hydrogen concentration in the propylene stream to reactor;
- C2- ethylene ;
- C3- Propylene
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Abstract
Description
Claims
Priority Applications (4)
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EP12700238.4A EP2665772B1 (en) | 2011-01-18 | 2012-01-17 | Polyolefin composition |
BR112013017661-0A BR112013017661B1 (en) | 2011-01-18 | 2012-01-17 | polyolefin composition, injection molded article, in particular a battery box, and vehicle |
CN201280005695.1A CN103687905B (en) | 2011-01-18 | 2012-01-17 | Polyolefin compositions |
US13/980,268 US20130316213A1 (en) | 2011-01-18 | 2012-01-17 | Polyolefin composition |
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EP11151238.0 | 2011-01-18 | ||
EP11151238 | 2011-01-18 | ||
US201161434332P | 2011-01-19 | 2011-01-19 | |
US61/434,332 | 2011-01-19 |
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PCT/EP2012/050589 WO2012098086A1 (en) | 2011-01-18 | 2012-01-17 | Polyolefin composition |
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US (1) | US20130316213A1 (en) |
EP (1) | EP2665772B1 (en) |
CN (1) | CN103687905B (en) |
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Cited By (3)
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---|---|---|---|---|
WO2016005218A1 (en) * | 2014-07-07 | 2016-01-14 | Basell Poliolefine Italia S.R.L. | Polyolefin composition |
WO2017025268A1 (en) * | 2015-08-10 | 2017-02-16 | Sabic Global Technologies B.V. | Composition comprising heterophasic propylene copolymer |
WO2022002602A1 (en) * | 2020-06-30 | 2022-01-06 | Basell Poliolefine Italia S.R.L. | Polyolefins compositions obtained from recycled polyolefins |
Families Citing this family (4)
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CN105670211A (en) * | 2016-03-31 | 2016-06-15 | 黄山安达尔塑业有限公司 | Accumulator case material for new energy automobiles |
CN106832578A (en) * | 2016-12-30 | 2017-06-13 | 芜湖天鸿汽车零部件有限公司 | A kind of automobile storage battery tank material with flame retardant effect and preparation method thereof |
EP3911702B1 (en) | 2019-01-14 | 2022-12-28 | Basell Poliolefine Italia S.r.l. | Polyolefin composition |
WO2024135595A1 (en) * | 2022-12-23 | 2024-06-27 | サンアロマー株式会社 | Polypropylene resin composition for battery packaging materials, method for producing same, film and battery packaging material |
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- 2012-01-17 WO PCT/EP2012/050589 patent/WO2012098086A1/en active Application Filing
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CN103687905B (en) | 2016-02-24 |
CN103687905A (en) | 2014-03-26 |
US20130316213A1 (en) | 2013-11-28 |
EP2665772B1 (en) | 2014-11-05 |
BR112013017661B1 (en) | 2020-10-13 |
BR112013017661A2 (en) | 2016-10-11 |
EP2665772A1 (en) | 2013-11-27 |
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