JP7440583B1 - ゴム組成物、及びそれを用いた空気入りタイヤ - Google Patents
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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- JP7440583B1 JP7440583B1 JP2022134834A JP2022134834A JP7440583B1 JP 7440583 B1 JP7440583 B1 JP 7440583B1 JP 2022134834 A JP2022134834 A JP 2022134834A JP 2022134834 A JP2022134834 A JP 2022134834A JP 7440583 B1 JP7440583 B1 JP 7440583B1
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- Prior art keywords
- rubber
- phenylenediamine
- phenyl
- parts
- rubber composition
- Prior art date
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 78
- 239000005060 rubber Substances 0.000 title claims abstract description 78
- 239000000203 mixture Substances 0.000 title claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 24
- 229920003244 diene elastomer Polymers 0.000 claims abstract description 18
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims abstract description 14
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 10
- 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 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000006229 carbon black Substances 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 244000043261 Hevea brasiliensis Species 0.000 claims description 8
- 229920003052 natural elastomer Polymers 0.000 claims description 8
- 229920001194 natural rubber Polymers 0.000 claims description 8
- ZJNLYGOUHDJHMG-UHFFFAOYSA-N 1-n,4-n-bis(5-methylhexan-2-yl)benzene-1,4-diamine Chemical compound CC(C)CCC(C)NC1=CC=C(NC(C)CCC(C)C)C=C1 ZJNLYGOUHDJHMG-UHFFFAOYSA-N 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- JQTYAZKTBXWQOM-UHFFFAOYSA-N 4-n-octan-2-yl-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CCCCCC)=CC=C1NC1=CC=CC=C1 JQTYAZKTBXWQOM-UHFFFAOYSA-N 0.000 claims description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 2
- 229920005555 halobutyl Polymers 0.000 claims description 2
- MDDXGELKFXXQDP-UHFFFAOYSA-N 4-n-(5-methylhexan-2-yl)benzene-1,4-diamine Chemical compound CC(C)CCC(C)NC1=CC=C(N)C=C1 MDDXGELKFXXQDP-UHFFFAOYSA-N 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract description 15
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 13
- 125000000217 alkyl group Chemical group 0.000 abstract description 13
- 238000002845 discoloration Methods 0.000 abstract description 13
- 125000003118 aryl group Chemical group 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 abstract 1
- 239000011347 resin Substances 0.000 description 31
- 229920005989 resin Polymers 0.000 description 31
- 238000004073 vulcanization Methods 0.000 description 15
- 239000003208 petroleum Substances 0.000 description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 10
- 239000011324 bead Substances 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 229910052717 sulfur Inorganic materials 0.000 description 7
- 239000011593 sulfur Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 5
- 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 5
- 239000005062 Polybutadiene Substances 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 5
- 150000004986 phenylenediamines Chemical class 0.000 description 5
- 229920002857 polybutadiene Polymers 0.000 description 5
- 239000010734 process oil Substances 0.000 description 5
- 239000011787 zinc oxide Substances 0.000 description 5
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical compound C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 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 3
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 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 3
- 235000021355 Stearic acid Nutrition 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- DECIPOUIJURFOJ-UHFFFAOYSA-N ethoxyquin Chemical compound N1C(C)(C)C=C(C)C2=CC(OCC)=CC=C21 DECIPOUIJURFOJ-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
- -1 poly(2,2,4-trimethyl-1,2-dihydroquinoline) Polymers 0.000 description 3
- 239000008117 stearic acid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 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 3
- 239000001993 wax Substances 0.000 description 3
- UHJVLUYSDYOULM-UHFFFAOYSA-N 4-n-(5-methylhexan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CCC(C)C)=CC=C1NC1=CC=CC=C1 UHJVLUYSDYOULM-UHFFFAOYSA-N 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000010538 cationic polymerization reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229920003049 isoprene rubber Polymers 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 125000005372 silanol group Chemical group 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 150000003505 terpenes Chemical class 0.000 description 2
- 235000007586 terpenes Nutrition 0.000 description 2
- AOIPVHPPFJNMEJ-UHFFFAOYSA-N 1-ethoxy-2,2,4-trimethylquinoline Chemical compound C1=CC=C2C(C)=CC(C)(C)N(OCC)C2=C1 AOIPVHPPFJNMEJ-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 229910008051 Si-OH Inorganic materials 0.000 description 1
- 229910006358 Si—OH Inorganic materials 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920005556 chlorobutyl Polymers 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002385 cottonseed oil Substances 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002688 maleic acid derivatives Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 150000003097 polyterpenes Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- QAZLUNIWYYOJPC-UHFFFAOYSA-M sulfenamide Chemical compound [Cl-].COC1=C(C)C=[N+]2C3=NC4=CC=C(OC)C=C4N3SCC2=C1C QAZLUNIWYYOJPC-UHFFFAOYSA-M 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 125000001302 tertiary amino group Chemical group 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
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000011240 wet gel Substances 0.000 description 1
Classifications
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
-
- 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
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
- B60C13/002—Protection against exterior elements
-
- 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
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
- B60C13/04—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof having annular inlays or covers, e.g. white sidewalls
-
- 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
-
- 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
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3437—Six-membered rings condensed with carbocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
[1] ジエン系ゴムと、フィラーと、下記式(1)で表されるフェニレンジアミンと、キノリン系老化防止剤とを含有し、N-フェニル-N’-イソプロピル-p-フェニレンジアミン(IPPD)とN-フェニル-N'-(1,3-ジメチルブチル)-p-フェニレンジアミン(6PPD)は含まない、ゴム組成物。
[2] カーボンブラックを含み、シリカを含まないか、含む場合であってもジエン系ゴム100質量部に対して2質量部未満である、[1]に記載のゴム組成物。
[3] [1]又は[2]に記載のゴム組成物をサイドウォールに用いた、空気入りタイヤ。
[4] サイドウォールの表面にカバーゴムを貼り合わせて成る積層体を含む、[3]に記載の空気入りタイヤ。
14…サイドウォール
28…サイドウォールゴム
30…カラーゴム
32…カバーゴム層
・BR2:旭化成(株)製「ジエンNF35R」、シス含有量32%、ガラス転移温度-90℃
・NR:RSS#3
・カーボンブラック:東海カーボン(株)製「シースト3」
・酸化亜鉛:三井金属鉱業(株)製「酸化亜鉛1種」
・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」
・プロセスオイル:ENEOS(株)製「プロセスオイルNC140」
・アミン系老化防止剤1:大内新興化学(株)製「ノクラック810-NA」、N-フェニル-N’-イソプロピル-p-フェニレンジアミン(IPPD)
・アミン系老化防止剤2:大内新興化学(株)製「ノクラック6C」、N-フェニル-N’-(1,3-ジメチルブチル)-p-フェニレンジアミン(6PPD)
・アミン系老化防止剤3:LANXESS社製「Vulkanox4030」、N,N’-ビス(1,4-ジメチルペンチル)-p-フェニレンジアミン(77PD)
・アミン系老化防止剤4:精工化学(株)製「オゾノン35」、N-フェニル-N’-(1-メチルヘプチル)-p-フェニレンジアミン(8PPD)
・アミン系老化防止剤5:Eastman社製「Santoflex7PPD」、N-フェニル-N’-(1,4-ジメチルペンチル)-p-フェニレンジアミン(7PPD)
・キノリン系老化防止剤1:大内新興化学(株)製「ノクラック224」、2,2,4-トリメチル-1,2-ジヒドロキノリン重合体(TMQ)
・キノリン系老化防止剤2:大内新興化学(株)製「ノクラックAW」、6-エトキシ-1,2-ジヒドロ-2,2,4-トリメチルキノリン(ETMQ)
・硫黄:鶴見化学工業(株)製「粉末硫黄」
・加硫促進剤:住友化学(株)製「ソクシノールCZ」
点数4:クラック発生なし
点数3:肉眼では確認できないが10倍の拡大鏡では確認できるクラックが発生
点数2:1mm以下のクラックが発生している
点数1:1mmを超えるクラックが発生
A:ΔEが3.0以下
B:ΔEが3.0以上6.0以下
C:ΔEが6.0以上9.0以下
D:ΔEが9.0以上
・EPDM:住友化学(株)製「ESPRENE532」
・クロロブチル:JSR(株)製「CHLOROBUTYL1066」
・NR:RSS#3
・カーボンブラック:東海カーボン(株)製「シーストSO」
・酸化亜鉛:三井金属鉱業(株)製「酸化亜鉛1種」
・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」
・老化防止剤:精工化学(株)製「ノクラックSP」
・硫黄:鶴見化学工業(株)製「粉末硫黄」
・加硫促進剤:大内新興化学(株)製「ノクセラーDM」
点数4:クラック発生なし
点数3:肉眼では確認できないが10倍の拡大鏡では確認できるクラックが発生
点数2:1mm以下のクラックが発生している
点数1:1mmを超えるクラックが発生
Claims (4)
- ジエン系ゴムと、
フィラーと、
N,N’-ビス(1,4-ジメチルペンチル)-p-フェニレンジアミン(77PD)、N-フェニル-N’-(1-メチルヘプチル)-p-フェニレンジアミン(8PPD)、及びN-フェニル-N’-(1,4-ジメチルペンチル)-p-フェニレンジアミン(7PPD)からなる群から選択される少なくとも1種のフェニレンジアミンと、
キノリン系老化防止剤と、を含有し、
前記フィラーとしてカーボンブラックを含み、かつ、シリカを含まず、
N-フェニル-N’-イソプロピル-p-フェニレンジアミン(IPPD)とN-フェニル-N’-(1,3-ジメチルブチル)-p-フェニレンジアミン(6PPD)は含まない、ゴム組成物。 - 請求項1に記載のゴム組成物をサイドウォールに用いた、空気入りタイヤ。
- サイドウォールの表面にカバーゴムを貼り合わせて成る積層体を含む、請求項2に記載の空気入りタイヤ。
- 前記カバーゴムは、エチレンプロピレンゴム(EPDM)、ハロゲン化ブチルゴム及び天然ゴムを含むゴム成分と、カーボンブラックを含むゴム組成物からなる、請求項3に記載の空気入りタイヤ。
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004161139A (ja) | 2002-11-13 | 2004-06-10 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
JP2008111100A (ja) | 2006-10-05 | 2008-05-15 | Sumitomo Rubber Ind Ltd | クリンチエーペックス用ゴム組成物およびそれを用いたクリンチエーペックスを有する空気入りタイヤ |
JP2013082874A (ja) | 2011-09-29 | 2013-05-09 | Sumitomo Rubber Ind Ltd | サイドウォール用ゴム組成物およびそれを用いたタイヤ |
JP2013227385A (ja) | 2012-04-24 | 2013-11-07 | Sumitomo Rubber Ind Ltd | タイヤ用ゴム組成物及び空気入りタイヤ |
JP2019065270A (ja) | 2017-09-29 | 2019-04-25 | 住友ゴム工業株式会社 | タイヤ |
WO2020059673A1 (ja) | 2018-09-18 | 2020-03-26 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP2020045408A (ja) | 2018-09-18 | 2020-03-26 | 住友ゴム工業株式会社 | タイヤ内層用ゴム組成物およびその製造方法 |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004161139A (ja) | 2002-11-13 | 2004-06-10 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
JP2008111100A (ja) | 2006-10-05 | 2008-05-15 | Sumitomo Rubber Ind Ltd | クリンチエーペックス用ゴム組成物およびそれを用いたクリンチエーペックスを有する空気入りタイヤ |
JP2013082874A (ja) | 2011-09-29 | 2013-05-09 | Sumitomo Rubber Ind Ltd | サイドウォール用ゴム組成物およびそれを用いたタイヤ |
JP2013227385A (ja) | 2012-04-24 | 2013-11-07 | Sumitomo Rubber Ind Ltd | タイヤ用ゴム組成物及び空気入りタイヤ |
JP2019065270A (ja) | 2017-09-29 | 2019-04-25 | 住友ゴム工業株式会社 | タイヤ |
WO2020059673A1 (ja) | 2018-09-18 | 2020-03-26 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP2020045408A (ja) | 2018-09-18 | 2020-03-26 | 住友ゴム工業株式会社 | タイヤ内層用ゴム組成物およびその製造方法 |
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