JPWO2018110456A1 - ゴム組成物 - Google Patents
ゴム組成物 Download PDFInfo
- Publication number
- JPWO2018110456A1 JPWO2018110456A1 JP2018530934A JP2018530934A JPWO2018110456A1 JP WO2018110456 A1 JPWO2018110456 A1 JP WO2018110456A1 JP 2018530934 A JP2018530934 A JP 2018530934A JP 2018530934 A JP2018530934 A JP 2018530934A JP WO2018110456 A1 JPWO2018110456 A1 JP WO2018110456A1
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- rubber
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- rubber composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 121
- 239000005060 rubber Substances 0.000 title claims abstract description 121
- 239000000203 mixture Substances 0.000 title claims abstract description 79
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 43
- 239000008116 calcium stearate Substances 0.000 claims abstract description 43
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 43
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 claims abstract description 40
- 229940063655 aluminum stearate Drugs 0.000 claims abstract description 40
- 239000002245 particle Substances 0.000 claims abstract description 40
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 24
- 229920003244 diene elastomer Polymers 0.000 claims abstract description 9
- 235000021315 omega 9 monounsaturated fatty acids Nutrition 0.000 claims description 23
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
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- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 8
- 150000001408 amides Chemical class 0.000 claims description 2
- 238000004073 vulcanization Methods 0.000 description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 30
- 229920005989 resin Polymers 0.000 description 30
- 239000011347 resin Substances 0.000 description 30
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- 235000014113 dietary fatty acids Nutrition 0.000 description 19
- 239000000194 fatty acid Substances 0.000 description 19
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 18
- 239000002174 Styrene-butadiene Substances 0.000 description 17
- 150000004665 fatty acids Chemical class 0.000 description 17
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- 239000000377 silicon dioxide Substances 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 11
- 230000003712 anti-aging effect Effects 0.000 description 11
- -1 fatty acid calcium salt Chemical class 0.000 description 11
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- 229910052717 sulfur Inorganic materials 0.000 description 8
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 8
- 239000006087 Silane Coupling Agent Substances 0.000 description 7
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- 239000006057 Non-nutritive feed additive Substances 0.000 description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
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- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 3
- KPAPHODVWOVUJL-UHFFFAOYSA-N 1-benzofuran;1h-indene Chemical compound C1=CC=C2CC=CC2=C1.C1=CC=C2OC=CC2=C1 KPAPHODVWOVUJL-UHFFFAOYSA-N 0.000 description 3
- 238000004438 BET method Methods 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 3
- 241000872198 Serjania polyphylla Species 0.000 description 3
- 235000021355 Stearic acid Nutrition 0.000 description 3
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 3
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 3
- 229920001568 phenolic resin Polymers 0.000 description 3
- 239000000344 soap Substances 0.000 description 3
- 239000008117 stearic acid Substances 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 2
- ZNRLMGFXSPUZNR-UHFFFAOYSA-N 2,2,4-trimethyl-1h-quinoline Chemical compound C1=CC=C2C(C)=CC(C)(C)NC2=C1 ZNRLMGFXSPUZNR-UHFFFAOYSA-N 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-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
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- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 239000002879 Lewis base Substances 0.000 description 2
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- 101100496858 Mus musculus Colec12 gene Proteins 0.000 description 2
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- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
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- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
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- 125000000217 alkyl group Chemical group 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 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
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920005557 bromobutyl Polymers 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 229920005556 chlorobutyl Polymers 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 150000003946 cyclohexylamines Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 238000004649 discoloration prevention Methods 0.000 description 1
- ILRSCQWREDREME-UHFFFAOYSA-N dodecanamide Chemical compound CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 description 1
- 229940108623 eicosenoic acid Drugs 0.000 description 1
- BITHHVVYSMSWAG-UHFFFAOYSA-N eicosenoic acid Natural products CCCCCCCCC=CCCCCCCCCCC(O)=O BITHHVVYSMSWAG-UHFFFAOYSA-N 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- SWSBIGKFUOXRNJ-CVBJKYQLSA-N ethene;(z)-octadec-9-enamide Chemical compound C=C.CCCCCCCC\C=C/CCCCCCCC(N)=O.CCCCCCCC\C=C/CCCCCCCC(N)=O SWSBIGKFUOXRNJ-CVBJKYQLSA-N 0.000 description 1
- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical compound C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- XZNRKASLGUNQTA-UHFFFAOYSA-N n-[bis(2-propan-2-ylanilino)methylidene]propanamide Chemical compound C=1C=CC=C(C(C)C)C=1NC(=NC(=O)CC)NC1=CC=CC=C1C(C)C XZNRKASLGUNQTA-UHFFFAOYSA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- FXUDPARCGRIVON-KTKRTIGZSA-N nervonamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCCCC(N)=O FXUDPARCGRIVON-KTKRTIGZSA-N 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- DOIRQSBPFJWKBE-UHFFFAOYSA-N phthalic acid di-n-butyl ester Natural products CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 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
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 229940052367 sulfur,colloidal Drugs 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- QPPXVBLDIDEHBA-UHFFFAOYSA-N trimethoxy(3-nitropropyl)silane Chemical compound CO[Si](OC)(OC)CCC[N+]([O-])=O QPPXVBLDIDEHBA-UHFFFAOYSA-N 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- LPEBYPDZMWMCLZ-CVBJKYQLSA-L zinc;(z)-octadec-9-enoate Chemical compound [Zn+2].CCCCCCCC\C=C/CCCCCCCC([O-])=O.CCCCCCCC\C=C/CCCCCCCC([O-])=O LPEBYPDZMWMCLZ-CVBJKYQLSA-L 0.000 description 1
Classifications
-
- 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
-
- 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
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Tires In General (AREA)
Abstract
Description
好ましくは、炭素数が18〜24のω−9脂肪酸である。また「ω−9脂肪酸アミド」は、ω−9脂肪酸のヒドロキシ基がアミノ基に置換された化合物を意味する。
SBR1:日本ゼオン(株)製のN9548(油展37.5部、スチレン量:35質量%、ビニル含量:18%、Tg:−40℃、重量平均分子量:109万)
SBR2:日本ゼオン(株)製のNS612(非油展、スチレン量:15質量%、ビニル含量:30%、Tg:−65℃、重量平均分子量:78万)
BR:ランクセス(株)製のCB25(Nd系触媒を用いて合成したハイシスBR、Tg:−110℃)
カーボンブラック:キャボットジャパン(株)製のショウブラックN220(N2SA:114m2/g)
シリカ:エボニックデグサ社製のULTRASIL VN3(N2SA:175m2/g)
シランカップリング剤:エボニックデグサ社製のSi75(ビス(3−トリエトキシシリルプロピル)ジスルフィド)
粘着樹脂1:Arizona chemical社製のSylvatraxx4401(αメチルスチレン樹脂、軟化点:85℃、Tg:43℃)
粘着樹脂2:ヤスハラケミカル(株)製のYSレジンTO125(芳香族テルペン樹脂、軟化点:125℃、Tg:64℃)
プロセスオイル:出光興産(株)製のダイアナプロセスAH−24
ステアリン酸カルシウム1:平均粒子径500μm、透明融点:155℃、Ca(C17H35COO)2
ステアリン酸カルシウム2:平均粒子径380μm、透明融点:155℃、Ca(C17H35COO)2
ステアリン酸カルシウム3:平均粒子径110μm、透明融点:155℃、Ca(C17H35COO)2
ステアリン酸カルシウム4:平均粒子径20μm、透明融点:155℃、Ca(C17H35COO)2
ステアリン酸カルシウム5:平均粒子径2μm、透明融点:155℃、Ca(C17H35COO)2
ステアリン酸アルミニウム:平均粒子径20μm、透明融点:157℃、Al(OH)2C17H35COO
ステアリン酸亜鉛:平均粒子径20μm、透明融点:120℃、Zn(C17H35COO)2
オレイン酸亜鉛:平均粒子径20μm、透明融点:87℃
オレイン酸アミド:日油(株)製のアルフローE−10
エルカ酸アミド:日油(株)製のアルフローP−10
ステアリン酸アミド:日油(株)製のアルフローS−10
エチレンビス−オレイン酸アミド:日油(株)製のアルフローAD−281F
ラウリン酸アミド:日油(株)製の試作品
エチレンビス−ステアリン酸アミド:日油(株)製のアルフローH−50L
離型剤:ストラクトール社製のWB16(脂肪酸カルシウム塩、脂肪酸モノエタノールアミドおよび脂肪酸モノエタノールアミドのエステルとの混合物、融点:99℃)
脂肪酸亜鉛石けん:ストラクトール社製のEF44(脂肪酸亜鉛、融点:101℃)
ステアリン酸:日油(株)製の椿
老化防止剤1:住友化学(株)製のアンチゲン6C(6PPD、N−(1,3−ジメチルブチル)−N’−フェニル−p−フェニレンジアミン)
老化防止剤2:大内新興化学工業(株)製のノクラック224(TMQ、2,2,4−トリメチル−1,2−ジヒドロキノリン重合体)
ワックス:日本精蝋(株)製のオゾエース355
酸化亜鉛:三井金属鉱業(株)製の酸化亜鉛2種
硫黄:細井化学工業(株)製のHK−200−5(オイル分5質量%)
加硫促進剤1:大内新興化学工業(株)製のノクセラーNS−G(TBBS、N−tert−ブチル−2−ベンゾチアジルスルフェンアミド)
加硫促進剤2:大内新興化学工業(株)製のノクセラーD(DPG、1,3−ジフェニルグアニジン)
まず、表1〜3に示す配合処方にしたがい、脂肪酸金属塩と脂肪酸アミドとを常温にて混合し、脂肪酸金属塩と脂肪酸アミドの単純混合物を調製した。次に、前記の混合物および表1〜3に示す他の配合処方にしたがい、1.7Lの密閉型バンバリーミキサーを用いて、硫黄および加硫促進剤以外の薬品を排出温度160℃で5分間混練りし、混練物を得た。さらに、得られた混練物を前記バンバリーミキサーにより、排出温度150℃で4分間、再度混練りした(リミル)。次に、2軸オープンロールを用いて、得られた混練物に硫黄および加硫促進剤を添加し、4分間、105℃になるまで練り込み、未加硫ゴム組成物を得た。得られた未加硫ゴム組成物を170℃で12分間プレス加硫することで、試験用ゴム組成物を作製した。
1.7Lバンバリーミキサーにおける混練時の、未加硫ゴム組成物とローター金属およびミキサー内壁との密着程度を目視および引き剥がし作業時間により評価した。結果は比較例1の離型性を100として指数表示した。離型性指数が大きいほど離型性に優れることを示す。なお、105以上を性能目標値とする。
各試験用タイヤを試験用実車(国産FF車、排気量:2000cc)の全輪に装着し、ドライアスファルト路面上を8000km走行させ、タイヤトレッド部の溝深さを測定し、タイヤトレッド部の溝深さが1mm減少するときの走行距離を算出した。下記の式により比較例1を100として指数表示した。指数が大きいほど耐摩耗性に優れることを示す。なお、100以上を性能目標値とする。
(耐摩耗性能指数)=
(各試験用タイヤのタイヤ溝が1mm減るときの走行距離)/(比較例1のタイヤ溝が1mm減るときの走行距離)×100
各試験用タイヤを試験用実車(国産FF車、排気量:2000cc)の全輪に装着し、湿潤路面において初速度100km/hからの制動距離を測定した。下記の式により比較例1を100として指数表示した。指数が大きいほど、ウェットグリップ性能に優れることを示す。なお、100以上を最低目標値とし、105以上がより好ましい。
(ウェットグリップ性能指数)=
(比較例1のタイヤの制動距離)/(各試験用タイヤの制動距離)×100
Claims (8)
- ジエン系ゴムおよびブチル系ゴムからなる群から選ばれる少なくとも1種を含むゴム成分、ならびに
平均粒子径が50μm以下のステアリン酸カルシウムおよび/またはステアリン酸アルミニウムを含有するゴム組成物。 - ステアリン酸カルシウムおよび/またはステアリン酸アルミニウムの平均粒子径が25μm以下であり、
ゴム成分100質量部に対し、ω−9脂肪酸アミドを0.1質量部以上含有する請求項1記載のゴム組成物。 - ゴム成分100質量部に対し、平均粒子径が25μm以下のステアリン酸カルシウムおよび/またはステアリン酸アルミニウムを0.05質量部以上含有する請求項1または2に記載のゴム組成物。
- 平均粒子径が25μm以下のステアリン酸カルシウムおよび/またはステアリン酸アルミニウムを、平均粒子径が25μm以下の20〜80質量%のステアリン酸カルシウムおよび/またはステアリン酸アルミニウム、並びに20〜80質量%のω−9脂肪酸アミドを含む混合物として含有し、
前記混合物の総量が、ゴム成分100質量部に対して0.5〜15質量部である請求項1〜3のいずれか1項に記載のゴム組成物。 - ステアリン酸カルシウムおよび/またはステアリン酸アルミニウムの透明融点が140〜180℃である請求項1〜4のいずれか1項に記載のゴム組成物。
- ゴム成分100質量部に対し、粘着樹脂を0.1〜100質量部含有する請求項1〜5のいずれか1項に記載のゴム組成物。
- ゴム成分100質量部に対し、オレイン酸アミドを0.1質量部以上含有する請求項1〜6のいずれか1項に記載のゴム組成物。
- 請求項1〜7のいずれか1項に記載のゴム組成物により構成されたタイヤ部材を有するタイヤ。
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JP2006282943A (ja) * | 2005-04-04 | 2006-10-19 | Toray Ind Inc | 成形性が改良されたポリアミド樹脂組成物 |
JP2009007435A (ja) * | 2007-06-27 | 2009-01-15 | Sumitomo Rubber Ind Ltd | ゴム組成物、サイドウォールおよびタイヤ |
JP2009007438A (ja) * | 2007-06-27 | 2009-01-15 | Sumitomo Rubber Ind Ltd | ゴム組成物、ビードエイペックスおよびタイヤ |
JP2009013223A (ja) * | 2007-07-02 | 2009-01-22 | Sumitomo Rubber Ind Ltd | ベーストレッド用ゴム組成物、ベーストレッドおよびタイヤ |
CN104371266A (zh) * | 2014-11-29 | 2015-02-25 | 山东阳谷华泰化工股份有限公司 | 一种新型轮胎气密层增进剂及其制备方法与应用 |
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