JP6054970B2 - ポリエチレン組成物及びボトル用クロージャー - Google Patents
ポリエチレン組成物及びボトル用クロージャー Download PDFInfo
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- JP6054970B2 JP6054970B2 JP2014530056A JP2014530056A JP6054970B2 JP 6054970 B2 JP6054970 B2 JP 6054970B2 JP 2014530056 A JP2014530056 A JP 2014530056A JP 2014530056 A JP2014530056 A JP 2014530056A JP 6054970 B2 JP6054970 B2 JP 6054970B2
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- ethylene copolymer
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- 125000004432 carbon atom Chemical group C* 0.000 claims description 31
- 239000004711 α-olefin Substances 0.000 claims description 26
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 19
- 239000005977 Ethylene Substances 0.000 claims description 19
- 238000006116 polymerization reaction Methods 0.000 claims description 18
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 16
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- 238000000748 compression moulding Methods 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 7
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- 238000005227 gel permeation chromatography Methods 0.000 description 15
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 14
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 14
- QLNAVQRIWDRPHA-UHFFFAOYSA-N iminophosphane Chemical compound P=N QLNAVQRIWDRPHA-UHFFFAOYSA-N 0.000 description 14
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 13
- 230000006353 environmental stress Effects 0.000 description 11
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- 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 4
- 229920005605 branched copolymer Polymers 0.000 description 4
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- 238000002474 experimental method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002035 hexane extract Substances 0.000 description 4
- CPOFMOWDMVWCLF-UHFFFAOYSA-N methyl(oxo)alumane Chemical compound C[Al]=O CPOFMOWDMVWCLF-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
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- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000012963 UV stabilizer Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 2
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 2
- 235000014171 carbonated beverage Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000113 differential scanning calorimetry Methods 0.000 description 2
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- 238000002844 melting Methods 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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- 230000000379 polymerizing effect Effects 0.000 description 2
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- 239000012488 sample solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- BVUXDWXKPROUDO-UHFFFAOYSA-N 2,6-di-tert-butyl-4-ethylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BVUXDWXKPROUDO-UHFFFAOYSA-N 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N 2-Methylpentane Chemical compound CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- UOBYKYZJUGYBDK-UHFFFAOYSA-N 2-naphthoic acid Chemical compound C1=CC=CC2=CC(C(=O)O)=CC=C21 UOBYKYZJUGYBDK-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
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- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- SXAQIBFTHXUOHE-UHFFFAOYSA-K aluminum;2-phenylacetate Chemical compound [Al+3].[O-]C(=O)CC1=CC=CC=C1.[O-]C(=O)CC1=CC=CC=C1.[O-]C(=O)CC1=CC=CC=C1 SXAQIBFTHXUOHE-UHFFFAOYSA-K 0.000 description 1
- 229940069428 antacid Drugs 0.000 description 1
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- 125000003710 aryl alkyl group Chemical class 0.000 description 1
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- 229910000085 borane Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 235000012174 carbonated soft drink Nutrition 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
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- 230000001186 cumulative effect Effects 0.000 description 1
- SINKOGOPEQSHQD-UHFFFAOYSA-N cyclopentadienide Chemical compound C=1C=C[CH-]C=1 SINKOGOPEQSHQD-UHFFFAOYSA-N 0.000 description 1
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N methyl pentane Natural products CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
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- 239000000178 monomer Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000011990 phillips catalyst Substances 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- XRBCRPZXSCBRTK-UHFFFAOYSA-N phosphonous acid Chemical class OPO XRBCRPZXSCBRTK-UHFFFAOYSA-N 0.000 description 1
- 238000002464 physical blending Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
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- 239000011342 resin composition Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical group [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 229940074404 sodium succinate Drugs 0.000 description 1
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical compound [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- ZZIZZTHXZRDOFM-XFULWGLBSA-N tamsulosin hydrochloride Chemical compound [H+].[Cl-].CCOC1=CC=CC=C1OCCN[C@H](C)CC1=CC=C(OC)C(S(N)(=O)=O)=C1 ZZIZZTHXZRDOFM-XFULWGLBSA-N 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- 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
- 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
- C08F10/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/001—Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
-
- 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
- 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
-
- 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
- C08F4/65908—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/10—Applications used for bottles
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Closures For Containers (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Description
(2)100から10,000g/10分のメルトインデックスI2;3.0未満の分子量分布Mw/Mn;及び第一エチレンコポリマーの密度より高いが、0.967g/cm3未満である密度を有する90から30重量%の第二エチレンコポリマー
を含む二峰性ポリエチレン組成物を含むボトル用クロージャーであって、第二エチレンコポリマーの密度は、第一エチレンコポリマーの密度に比べて0.037g/cm3未満高く;第一エチレンコポリマー中の短鎖分岐(SCB1)の、第二エチレンコポリマー中の短鎖分岐(SCB2)に対する比は、0.5より大きく;該二峰性ポリエチレン組成物は、3から11の分子量分布Mw/Mn;少なくとも0.949g/cm3の密度;0.4から5.0g/10分のメルトインデックスI2;400,000未満のMz;1.50未満の応力指数;及び少なくとも20時間のESCR条件B(10% IGEPAL)を有する、上記ボトル用クロージャーが提供される。
(1)0.4g/10分未満のメルトインデックスI2;3.0未満の分子量分布Mw/Mn;及び0.920から0.955g/cm3の密度を有する10から70重量%の第一エチレンコポリマー;並びに
(2)100から10,000g/10分のメルトインデックスI2;3.0未満の分子量分布Mw/Mn;及び第一エチレンコポリマーの密度より高いが、0.967g/cm3未満である密度を有する90から30重量%の第二エチレンコポリマーを含み、第二エチレンコポリマーの密度は、第一エチレンコポリマーの密度に比べて0.037g/cm3未満高く;第一エチレンコポリマー中の短鎖分岐(SCB1)の第二エチレンコポリマー中の短鎖分岐(SCB2)に対する比は、0.5より大きく;該ポリエチレン組成物は、3から11の分子量分布Mw/Mn;少なくとも0.949g/cm3の密度;0.4から5.0g/10分のメルトインデックスI2;400,000未満のMz;1.50未満の応力指数;及び少なくとも20時間のESCR条件B(10% IGEPAL)を有し;
該プロセスは、少なくとも二つの重合反応器において、溶液重合条件下で、少なくとも1種のシングルサイト重合触媒系を、エチレン及び少なくとも1種のアルファ−オレフィンコモノマーと接触させるステップを含む、上記プロセスが提供される。
(2)100から10,000g/10分のメルトインデックスI2;2.7未満の分子量分布Mw/Mn;及び第一エチレンコポリマーの密度より高いが0.966g/cm3未満である密度を有する70から40重量%の第二エチレンコポリマー
を含む二峰性ポリエチレン組成物であって、第二エチレンコポリマーの密度は、第一エチレンコポリマーの密度に比べて0.037g/cm3未満高く;第一エチレンコポリマー中の短鎖分岐(SCB1)の、第二エチレンコポリマー中の短鎖分岐(SCB2)に対する比は、0.5より大きく;該二峰性ポリエチレン組成物は、4.0から10.0の分子量分布Mw/Mn;0.949から0.957g/cm3の密度;0.4から5.0g/10分のメルトインデックスI2;13C NMRによって測定して0.75モル%未満のコモノマー含量;400,000未満のMz;1.50未満の応力指数;及び少なくとも20時間のESCR条件B(10% IGEPAL)を有する、上記二峰性ポリエチレン組成物が提供される。
本発明のポリエチレン組成物の第一エチレンコポリマーは、約0.920g/cm3から約0.955g/cm3の密度;約0.4g/10分未満のメルトインデックスI2;約3.0より小さい分子量分布Mw/Mn及び第二エチレンコポリマーのMwより大きい重量平均分子量、Mwを有する。好ましくは、第一エチレンコポリマーの重量平均分子量、Mwは、少なくとも110,000である。好ましくは、第一エチレンコポリマーは、均一に分岐したコポリマーである。
本発明のポリエチレン組成物の第二エチレンコポリマーは、0.967g/cm3より小さいが第一エチレンコポリマーの密度より高い密度;約100から10,000g/10分のメルトインデックスI2;約3.0より小さい分子量分布Mw/Mn及び第一エチレンコポリマーのMw未満である重量平均分子量Mwを有する。好ましくは、第二エチレンコポリマーの重量平均分子量、Mwは、45,000より小さい。好ましくは、第二エチレンコポリマーは、均一に分岐したコポリマーである。
本発明のポリエチレン組成物は、広い、二峰性又は多峰性の分子量分布を有する。最低限、上記ポリエチレン組成物は、異なる重量平均分子量(Mw)である第一エチレンコポリマー及び第二エチレンコポリマー(上記に定義された)を含有する。
SHI(1,100)<−10.58(logポリエチレン組成物のI2(g/10分で表した))/(g/10分)+12.94
を満たす。本発明の別の実施形態において、ポリエチレン組成物のSHI(1,100)は、方程式:
SHI(1,100)<−5.5(logポリエチレン組成物のI2(g/10分で表した))/(g/10分)+9.66
を満たす。
Log10(I2)=22.326528+0.003467*[Log10(Mn)]3−4.322582*Log10(Mw)−0.180061*[Log10(Mz)]2+0.026478*[Log10(Mz)]3
ここで、実験的に測定された全体のメルトインデックスI2を、方程式の左辺に使用したが、一方、適合基準が満足されるまで、組成物の計算された全体のMn、Mw及びMzを変化させるために、各成分のMn(各成分についてMw=2×Mn及びMz=1.5×Mw)を調節した。デコンボリューション中、全体のMn、Mw及びMzを、次の関係によって計算する。Mn=1/Sum(wi/Mn(i))、Mw=Sum(wi×Mw(i))、Mz=Sum(wi×Mz(i)2)、ここで、iは、i−th成分を表し、wiは、組成物中のi−th成分の相対重量分率を表す。
密度=0.979863−0.00594808*(FTIR SCB/1000C)0.65−0.000383133*[Log10(Mn)]3
−0.00000577986*(Mw/Mn)3+0.00557395*(Mz/Mw)0.25;
Log10(メルトインデックスI2)=22.326528+0.003467*[Log10(Mn)]3−4.322582*Log10(Mw)−0.180061*[Log10(Mz)]2+0.026478*[Log10(Mz)]3
ここで、Mn、Mw及びMzは、上記のGPCデコンボリューションの結果から得られた、個別のエチレンポリマー成分のデコンボリューションした値であった。従って、これらの二つのモデルを、成分(すなわち、第一及び第二エチレンコポリマー)のメルトインデックス及び密度を推定するために使用した。
図1に示されたように、本発明のポリエチレン組成物1、3、5、6及び8は、方程式のSHI(1,100)≧−10.58(logポリエチレン組成物のI2(g/10分で表した))/(g/10分)+12.94(これは、WO2006/048253に教示されたブレンドの特性である)を満たさない。図1に示されたように、本発明のポリエチレン組成物1、3、5、6及び8は、方程式:
SHI(1,100)≧−5.5(logポリエチレン組成物のI2(g/10分で表した))/(g/10分)+9.66(これは、WO2006/048254に教示されたブレンドの特性である)を満たさない。
Claims (33)
- (1)0.4g/10分未満のメルトインデックスI2;3.0未満の分子量分布Mw/Mn;及び0.920から0.955g/cm3の密度を有する10から70重量%の第一エチレンコポリマー;並びに
(2)100から10,000g/10分のメルトインデックスI2;3.0未満の分子量分布Mw/Mn;及び前記第一エチレンコポリマーの密度より高いが、0.967g/cm3未満である密度を有する90から30重量%の第二エチレンコポリマー
を含む二峰性ポリエチレン組成物を含むボトル用クロージャーであって、
前記第二エチレンコポリマーの密度は、前記第一エチレンコポリマーの密度に比べて0.037g/cm3未満高く;前記第一エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB1)の、前記第二エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB2)に対する比(SCB1/SCB2)は、0.5より大きく;前記二峰性ポリエチレン組成物は、3から11の分子量分布Mw/Mn;少なくとも0.949g/cm3の密度;0.4から5.0g/10分のメルトインデックスI2;400,000未満のMz;1.50未満の応力指数;及び少なくとも20時間のESCR条件B(10% IGEPAL)を有する、上記ボトル用クロージャー。 - 前記第一エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB1)の前記第二エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB2)に対する比(SCB1/SCB2)が、少なくとも1.0である、請求項1に記載のクロージャー。
- 前記第一エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB1)の前記第二エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB2)に対する比(SCB1/SCB2)が、少なくとも1.5である、請求項1に記載のクロージャー。
- 前記二峰性ポリエチレン組成物が、少なくとも60時間のESCR条件B(10% IGEPAL)を有する、請求項1に記載のクロージャー。
- 前記二峰性ポリエチレン組成物が、少なくとも120時間のESCR条件B(10% IGEPAL)を有する、請求項1に記載のクロージャー。
- 前記二峰性ポリエチレン組成物が、4.5から9.5の分子量分布Mw/Mnを有する、請求項1に記載のクロージャー。
- 前記二峰性ポリエチレン組成物が、0.4から3.0g/10分のメルトインデックスI2を有する、請求項1に記載のクロージャー。
- 前記第一エチレンコポリマーが、0.925から0.950g/cm3の密度を有する、請求項1に記載のクロージャー。
- 前記第二エチレンコポリマーが、0.965g/cm3未満の密度を有する、請求項1に記載のクロージャー。
- 前記二峰性ポリエチレン組成物が、0.951から0.957g/cm3の密度を有する、請求項1に記載のクロージャー。
- 前記第二エチレンコポリマーの密度が、前記第一エチレンコポリマーの密度に比べて0.031g/cm3未満高い、請求項1に記載のクロージャー。
- 前記第二エチレンコポリマーが、1500g/10分より大きいメルトインデックスI2を有する、請求項1に記載のクロージャー。
- 前記第一及び第二エチレンコポリマーが、2.5未満のMw/Mnを有する、請求項1に記載のクロージャー。
- 前記二峰性ポリエチレン組成物が、65%より大きい組成分布幅指数(CDBI)を有する、請求項1に記載のクロージャー。
- 前記二峰性ポリエチレン組成物が、
30から60重量%の前記第一エチレンコポリマー;及び
70から40重量%の前記第二エチレンコポリマー
を含む、請求項1に記載のクロージャー。 - 前記二峰性ポリエチレン組成物が、13C NMRで測定して0.75モル%未満のコモノマー含量を有する、請求項1に記載のクロージャー。
- 前記二峰性ポリエチレン組成物が、成核剤をさらに含む、請求項1に記載のクロージャー。
- 前記第一及び第二エチレンコポリマーが、エチレン及び1−オクテンのコポリマーである、請求項1に記載のクロージャー。
- 圧縮成形又は射出成形によって作られる、請求項1に記載のクロージャー。
- スクリューキャップである、請求項1に記載のクロージャー。
- 少なくとも一つの圧縮成形又は射出成形ステップを含む、請求項1に記載のクロージャーを調製するためのプロセス。
- ポリエチレン組成物を調製するプロセスであって、前記ポリエチレン組成物は、
(1)0.4g/10分未満のメルトインデックスI2;3.0未満の分子量分布Mw/Mn;及び0.920から0.955g/cm3の密度を有する10から70重量%の第一エチレンコポリマー;並びに
(2)100から10,000g/10分のメルトインデックスI2;3.0未満の分子量分布Mw/Mn;及び前記第一エチレンコポリマーの密度より高いが、0.967g/cm3未満である密度を有する90から30重量%の第二エチレンコポリマー
を含み、前記第二エチレンコポリマーの密度は、前記第一エチレンコポリマーの密度に比べて0.037g/cm3未満高く;前記第一エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB1)の前記第二エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB2)に対する比(SCB1/SCB2)は、0.5より大きく;前記ポリエチレン組成物は、3から11の分子量分布Mw/Mn;少なくとも0.949g/cm3の密度;0.4から5.0g/10分のメルトインデックスI2;400,000未満のMz;1.50未満の応力指数;及び少なくとも20時間のESCR条件B(10% IGEPAL)を有し;
前記プロセスは、少なくとも二つの重合反応器において、溶液重合条件下で、少なくとも1種のシングルサイト重合触媒系を、エチレン及び少なくとも1種のアルファ−オレフィンと接触させるステップを含む、上記プロセス。 - 前記少なくとも二つの重合反応器が、直列に構成された第一反応器及び第二反応器を含む、請求項22に記載のプロセス。
- 前記少なくとも1種のアルファ−オレフィンが、前記第一反応器だけに供給される、請求項23に記載のプロセス。
- (1)0.4g/10分未満のメルトインデックスI2;2.7未満の分子量分布Mw/Mn;及び0.925から0.950g/cm3の密度を有する30から60重量%の第一エチレンコポリマー;並びに
(2)100から10,000g/10分のメルトインデックスI2;2.7未満の分子量分布Mw/Mn;及び前記第一エチレンコポリマーの密度より高いが0.966g/cm3未満である密度を有する70から40重量%の第二エチレンコポリマー
を含む二峰性ポリエチレン組成物であって、
前記第二エチレンコポリマーの密度は、前記第一エチレンコポリマーの密度に比べて0.037g/cm3未満高く;前記第一エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB1)の、前記第二エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB2)に対する比(SCB1/SCB2)は、0.5より大きく;前記二峰性ポリエチレン組成物は、4.0から10.0の分子量分布Mw/Mn;0.949から0.957g/cm3の密度;0.4から5.0g/10分のメルトインデックスI2;13C NMRによって測定して0.75モル%未満のコモノマー含量;400,000未満のMz;1.50未満の応力指数;及び少なくとも20時間のESCR条件B(10% IGEPAL)を有する、上記二峰性ポリエチレン組成物。 - 0.5から3.0g/10分のメルトインデックスI2を有する、請求項25に記載の二峰性ポリエチレン組成物。
- 前記第一エチレンコポリマーが、0.925から0.945g/cm3の密度を有する、請求項25に記載の二峰性ポリエチレン組成物。
- 前記第二エチレンコポリマーが、0.965g/cm3未満の密度を有する、請求項25に記載の二峰性ポリエチレン組成物。
- 前記二峰性ポリエチレン組成物が、0.951から0.957g/cm3の密度を有する、請求項25に記載の二峰性ポリエチレン組成物。
- 前記第二エチレンコポリマーの密度が、前記第一エチレンコポリマーの密度に比べて0.031g/cm3未満高い、請求項25に記載の二峰性ポリエチレン組成物。
- 4.5から9.0の分子量分布Mw/Mnを有する、請求項25に記載の二峰性ポリエチレン組成物。
- 前記第一エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB1)の、前記第二エチレンコポリマー中の1000個の炭素原子当たりの短鎖分岐の数(SCB2)に対する比(SCB1/SCB2)が、少なくとも1.0である、請求項25に記載の二峰性ポリエチレン組成物。
- 少なくとも60時間のESCR条件B(10% IGEPAL)を有する、請求項25に記載の二峰性ポリエチレン組成物。
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JP2016500380A (ja) * | 2012-12-14 | 2016-01-12 | ノヴァ ケミカルズ(アンテルナショナル)ソシエテ アノニム | キャップ及びクロージャー用の高い寸法安定性及び優れた加工性を有するポリエチレン組成物 |
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US8962755B2 (en) | 2015-02-24 |
CL2014000670A1 (es) | 2015-01-09 |
CN103917592A (zh) | 2014-07-09 |
CA2752407A1 (en) | 2013-03-19 |
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EP2751193A1 (en) | 2014-07-09 |
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EP2751193A4 (en) | 2015-06-17 |
US9221966B2 (en) | 2015-12-29 |
JP2014526577A (ja) | 2014-10-06 |
CA2752407C (en) | 2018-12-04 |
MX2014002886A (es) | 2014-05-28 |
MX361072B (es) | 2018-11-27 |
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