JP2019089987A - タイヤ用ゴム組成物、及びそれを用いた空気入りタイヤ - Google Patents
タイヤ用ゴム組成物、及びそれを用いた空気入りタイヤ Download PDFInfo
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 58
- 239000005060 rubber Substances 0.000 title claims abstract description 57
- 239000000203 mixture Substances 0.000 title claims abstract description 35
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 43
- 125000000524 functional group Chemical group 0.000 claims abstract description 17
- 230000005484 gravity Effects 0.000 claims abstract description 16
- 239000011256 inorganic filler Substances 0.000 claims abstract description 16
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 16
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 13
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 13
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 12
- 230000008014 freezing Effects 0.000 claims abstract description 12
- 238000007710 freezing Methods 0.000 claims abstract description 12
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 12
- 229920001194 natural rubber Polymers 0.000 claims abstract description 12
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 49
- -1 phosphate ester Chemical class 0.000 claims description 13
- 229910019142 PO4 Inorganic materials 0.000 claims description 10
- 239000010452 phosphate Substances 0.000 claims description 10
- 239000004793 Polystyrene Substances 0.000 claims description 9
- 229920002223 polystyrene Polymers 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 125000005370 alkoxysilyl group Chemical group 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 4
- 229920001400 block copolymer Polymers 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 125000003700 epoxy group Chemical group 0.000 claims description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 claims description 3
- 125000005372 silanol group Chemical group 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 26
- 229920005989 resin Polymers 0.000 description 18
- 239000011347 resin Substances 0.000 description 18
- 229920001577 copolymer Polymers 0.000 description 12
- 239000000377 silicon dioxide Substances 0.000 description 12
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical class C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 9
- 229910052717 sulfur Inorganic materials 0.000 description 8
- 239000011593 sulfur Substances 0.000 description 8
- 238000004073 vulcanization Methods 0.000 description 8
- 239000006229 carbon black Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 6
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Natural products CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 5
- 125000001931 aliphatic group Chemical group 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 4
- GTVWRXDRKAHEAD-UHFFFAOYSA-N Tris(2-ethylhexyl) phosphate Chemical compound CCCCC(CC)COP(=O)(OCC(CC)CCCC)OCC(CC)CCCC GTVWRXDRKAHEAD-UHFFFAOYSA-N 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 4
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 4
- 239000006087 Silane Coupling Agent Substances 0.000 description 3
- 229920006465 Styrenic thermoplastic elastomer Polymers 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 3
- 238000010538 cationic polymerization reaction Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- 150000003440 styrenes Chemical class 0.000 description 3
- 229920000428 triblock copolymer Polymers 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical compound C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 2
- 239000013032 Hydrocarbon resin Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 229920006271 aliphatic hydrocarbon resin Polymers 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 229920006272 aromatic hydrocarbon resin Polymers 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920006270 hydrocarbon resin Polymers 0.000 description 2
- 229920003049 isoprene rubber Polymers 0.000 description 2
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920002743 polystyrene-poly(ethylene-ethylene/propylene) block-polystyrene Polymers 0.000 description 2
- 239000013558 reference substance Substances 0.000 description 2
- 239000012763 reinforcing filler Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 229920005792 styrene-acrylic resin Polymers 0.000 description 2
- KOWVWXQNQNCRRS-UHFFFAOYSA-N tris(2,4-dimethylphenyl) phosphate Chemical compound CC1=CC(C)=CC=C1OP(=O)(OC=1C(=CC(C)=CC=1)C)OC1=CC=C(C)C=C1C KOWVWXQNQNCRRS-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000000427 antigen Substances 0.000 description 1
- 102000036639 antigens Human genes 0.000 description 1
- 108091007433 antigens Proteins 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- JEZFASCUIZYYEV-UHFFFAOYSA-N chloro(triethoxy)silane Chemical compound CCO[Si](Cl)(OCC)OCC JEZFASCUIZYYEV-UHFFFAOYSA-N 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 150000002689 maleic acids Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- TXDNPSYEJHXKMK-UHFFFAOYSA-N sulfanylsilane Chemical compound S[SiH3] TXDNPSYEJHXKMK-UHFFFAOYSA-N 0.000 description 1
- 229940052367 sulfur,colloidal Drugs 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920006348 thermoplastic styrenic block copolymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011240 wet gel Substances 0.000 description 1
- 239000002023 wood 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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0025—Compositions of the sidewalls
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/06—Sulfur
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/005—Modified block copolymers
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Abstract
Description
攪拌装置付き耐圧容器中にシクロヘキサン800g、脱水スチレン38g及びsec−ブチルリチウムのシクロヘキサン溶液(10質量%)を7.7g加え、50℃で1時間重合反応を行った。スチレンとブタジエンの混合物(モル比 スチレン:ブタジエン=3:4)127gを加えて1時間重合反応を行い、さらにスチレンを38g加えて1時間重合反応を行った。その後、クロロトリエトキシシラン2.5gを加え、最後にメタノールを添加して反応を停止した。反応溶液を減圧蒸留し溶剤を取り除き、片末端にエトキシシリル基を有するポリスチレン−(スチレン/ブタジエン)−ポリスチレン型のブロック共重合体である熱可塑性エラストマー5が得られた。得られた熱可塑性エラストマー5の数平均分子量は163000、スチレン含有率は74質量%であった。なお、数平均分子量及びスチレン含有量の測定は、東ソー(株)製GPC(ゲルパーミエーションクロマトグラフィー)「HPC−8020」を用い、溶媒はテトラヒドロフランを用い、標準ポリスチレン換算により測定を行った。
攪拌装置付き耐圧容器中にシクロヘキサン800g、脱水スチレン38g及びsec−ブチルリチウムのシクロヘキサン溶液(10質量%)を7.7g加え、50℃で1時間重合反応を行った。スチレンとブタジエンの混合物(モル比 スチレン:ブタジエン=3:4)127gを加えて1時間重合反応を行い、さらにスチレンを38g加えて1時間重合反応を行った。その後、エピクロロヒドリン1.2gを加え、最後にメタノールを添加して反応を停止した。反応溶液を減圧蒸留し溶剤を取り除き、片末端にエポキシ基を有するポリスチレン−(スチレン/ブタジエン)−ポリスチレン型のブロック共重合体である熱可塑性エラストマー6が得られた。得られた熱可塑性エラストマー6の数平均分子量は161000、スチレン含有率は74質量%であった。なお、数平均分子量及びスチレン含有量の測定は、上記合成例1と同様に行った。
バンバリーミキサーを使用し、下記表1に示す配合(質量部)に従い、まず、第一混合段階(ノンプロ練り工程)で、加硫促進剤、及び硫黄を除く成分を添加混合し(排出温度=160℃)、得られた混合物に、最終混合段階(プロ練り工程)で、加硫促進剤及び硫黄を添加混合して(排出温度=90℃)、ゴム組成物を調製した。
・BR:宇部興産(株)製「BR150B」
・熱可塑性エラストマー1:クラレ(株)製「セプトン8006」、末端未変性SEBS共重合体、スチレン含有量:33質量%、比重:0.92
・熱可塑性エラストマー2:クラレ(株)製「セプトンHG−252」、水酸基末端変性SEEPS共重合体、スチレン含有量:28質量%、比重:0.90
・熱可塑性エラストマー3:旭化成(株)製「タフテックMP10」、アミノ基末端変性SEBS共重合体、スチレン含有量:30質量%、比重:0.91
・熱可塑性エラストマー4:旭化成(株)製「タフテックM1911」、無水マレイン酸変性SEBS共重合体、スチレン含有量:30質量%、比重:0.91
・熱可塑性エラストマー5:上記合成例1において得られた熱可塑性エラストマー、アルコキシシリル基末端変性S−SB−S共重合体、スチレン含有量:74質量%、比重:0.92
・熱可塑性エラストマー6:上記合成例2において得られた熱可塑性エラストマー、エポキシ基末端変性S−SB−S共重合体、スチレン含有量:74質量%、比重:0.91
・熱可塑性エラストマー7:東亞合成(株)製「UH2170」、水酸基含有スチレンアクリル樹脂、比重:1.15
・熱可塑性エラストマー8:東亞合成(株)製「UC3900」、カルボキシル基含有スチレンアクリル樹脂、比重:1.19
・リン酸エステル1:大八化学工業(株)製 トリス(2−エチルヘキシル)ホスフェート(TOP)、凝固点:−70℃以下
・リン酸エステル2:大八化学工業(株)製 トリエチルホスフェート(TEP)、凝固点:−56℃
・リン酸エステル3:大八化学工業(株)製 トリキシレニルホスフェート(TXP)、凝固点:−15℃
・シリカ:東ソー・シリカ(株)製「ニップシールAQ」
・カーボンブラック:東海カーボン(株)製「N339 シーストKH」
・シランカップリング剤:エボニック社製「Si69」
・オイル:JXエネルギー(株)製「プロセスNC140」
・亜鉛華:三井金属鉱業(株)製「亜鉛華1号」
・老化防止剤:住友化学(株)製「アンチゲン6C」
・ステアリン酸:花王(株)製「ルナックS−20」
・ワックス:日本精蝋(株)製「OZOACE0355」
・硫黄:鶴見化学工業(株)製「5%油入微粉末硫黄」
・加硫促進剤1:住友化学(株)製「ソクシノールCZ」
・加硫促進剤2:大内新興化学工業(株)製「ノクセラーD」
Claims (6)
- 天然ゴム及びブタジエンゴムを少なくとも含有するゴム成分、
無機充填剤、
前記無機充填剤の表面官能基と反応又は相互作用する官能基を持ち、比重が1.00以下である熱可塑性エラストマー、及び
凝固点が−55℃以下であるリン酸エステルを含有することを特徴とする、タイヤ用ゴム組成物。 - 前記リン酸エステルの含有量が、ゴム成分100質量部に対して1〜30質量部であることを特徴とする、請求項1に記載のタイヤ用ゴム組成物。
- 前記熱可塑性エラストマーが、ポリスチレンをハードセグメントに持つブロック共重合体であることを特徴とする、請求項1又は2に記載のタイヤ用ゴム組成物。
- 前記熱可塑性エラストマーの持つ官能基が、水酸基、アミノ基、カルボキシル基、シラノール基、アルコキシシリル基、エポキシ基、グリシジル基、ポリエーテル基、ポリシロキサン基、及び、無水マレイン酸由来の官能基からなる群より選択される少なくとも1種であることを特徴とする、請求項1〜3のいずれか1項に記載のタイヤ用ゴム組成物。
- 前記熱可塑性エラストマーのスチレン含有量が、20質量%以上であることを特徴とする、請求項3又は4に記載のタイヤ用ゴム組成物。
- 請求項1〜5のいずれか1項に記載のタイヤ用ゴム組成物を用いて作製された、空気入りタイヤ。
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US16/168,987 US20190144644A1 (en) | 2017-11-16 | 2018-10-24 | Rubber composition for tires, and pneumatic tire using the same |
CN201811268408.1A CN109796637A (zh) | 2017-11-16 | 2018-10-29 | 轮胎用橡胶组合物及使用了该组合物的充气轮胎 |
MYPI2018704022A MY194145A (en) | 2017-11-16 | 2018-10-30 | Rubber composition for tires, and pneumatic tire using the same |
DE102018218765.7A DE102018218765A1 (de) | 2017-11-16 | 2018-11-02 | Kautschukzusammensetzung für Reifen und pneumatischer Reifen, der diese verwendet |
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Cited By (3)
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JP2020105384A (ja) * | 2018-12-27 | 2020-07-09 | Toyo Tire株式会社 | タイヤ用ゴム組成物の製造方法 |
KR20210045230A (ko) * | 2019-10-16 | 2021-04-26 | 넥센타이어 주식회사 | 알킬 인산화물을 포함하는 타이어 고무 조성물 및 이로부터 제조된 타이어 |
WO2022080463A1 (ja) * | 2020-10-16 | 2022-04-21 | 住友ゴム工業株式会社 | タイヤ |
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FR3073858B1 (fr) * | 2017-11-17 | 2019-10-18 | Compagnie Generale Des Etablissements Michelin | Pneumatique pourvu d'un flanc externe comportant un plastifiant liquide presentant une basse temperature de transition vitreuse |
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US20190144644A1 (en) | 2019-05-16 |
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