JP2024502306A - シリカ含有タイヤトレッドにおける弾性率の回復 - Google Patents
シリカ含有タイヤトレッドにおける弾性率の回復 Download PDFInfo
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 58
- 239000000203 mixture Substances 0.000 claims abstract description 114
- 229920001971 elastomer Polymers 0.000 claims abstract description 98
- 239000005060 rubber Substances 0.000 claims abstract description 92
- 238000004073 vulcanization Methods 0.000 claims abstract description 58
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000011593 sulfur Substances 0.000 claims abstract description 49
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 49
- 239000012763 reinforcing filler Substances 0.000 claims abstract description 42
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 29
- 239000006229 carbon black Substances 0.000 claims description 33
- 229920001194 natural rubber Polymers 0.000 claims description 18
- 244000043261 Hevea brasiliensis Species 0.000 claims description 11
- 229920003052 natural elastomer Polymers 0.000 claims description 11
- 229920002857 polybutadiene Polymers 0.000 claims description 10
- QAZLUNIWYYOJPC-UHFFFAOYSA-M sulfenamide Chemical group [Cl-].COC1=C(C)C=[N+]2C3=NC4=CC=C(OC)C=C4N3SCC2=C1C QAZLUNIWYYOJPC-UHFFFAOYSA-M 0.000 claims description 9
- 229920003244 diene elastomer Polymers 0.000 claims description 7
- 239000005062 Polybutadiene Substances 0.000 claims description 5
- 229940124530 sulfonamide Drugs 0.000 claims 1
- 150000003456 sulfonamides Chemical class 0.000 claims 1
- 239000000945 filler Substances 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 abstract 1
- 235000019241 carbon black Nutrition 0.000 description 30
- 239000003795 chemical substances by application Substances 0.000 description 11
- 239000004615 ingredient Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 229920001577 copolymer Polymers 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- -1 poly(isoprene) Polymers 0.000 description 7
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 6
- 150000001993 dienes Chemical class 0.000 description 6
- 239000000806 elastomer Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 239000003963 antioxidant agent Substances 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 4
- 239000004594 Masterbatch (MB) Substances 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 4
- 238000001723 curing Methods 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 229920003051 synthetic elastomer Polymers 0.000 description 4
- 229920002554 vinyl polymer Polymers 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
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 3
- 150000005673 monoalkenes Chemical class 0.000 description 3
- IUJLOAKJZQBENM-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-2-methylpropan-2-amine Chemical compound C1=CC=C2SC(SNC(C)(C)C)=NC2=C1 IUJLOAKJZQBENM-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920001021 polysulfide Polymers 0.000 description 3
- 239000005077 polysulfide Substances 0.000 description 3
- 150000008117 polysulfides Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 150000004756 silanes Chemical class 0.000 description 3
- 229960004029 silicic acid Drugs 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 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 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 2
- 239000002530 phenolic antioxidant Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005987 sulfurization reaction Methods 0.000 description 2
- AHAREKHAZNPPMI-AATRIKPKSA-N (3e)-hexa-1,3-diene Chemical compound CC\C=C\C=C AHAREKHAZNPPMI-AATRIKPKSA-N 0.000 description 1
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- IGGDKDTUCAWDAN-UHFFFAOYSA-N 1-vinylnaphthalene Chemical compound C1=CC=C2C(C=C)=CC=CC2=C1 IGGDKDTUCAWDAN-UHFFFAOYSA-N 0.000 description 1
- NFCPRRWCTNLGSN-UHFFFAOYSA-N 2-n-phenylbenzene-1,2-diamine Chemical compound NC1=CC=CC=C1NC1=CC=CC=C1 NFCPRRWCTNLGSN-UHFFFAOYSA-N 0.000 description 1
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 1
- KJQMOGOKAYDMOR-UHFFFAOYSA-N CC(=C)C=C.CC(=C)C=C Chemical compound CC(=C)C=C.CC(=C)C=C KJQMOGOKAYDMOR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 1
- SDJHPPZKZZWAKF-UHFFFAOYSA-N DMBD Natural products CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 1
- 239000006237 Intermediate SAF Substances 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- ZRALSGWEFCBTJO-UHFFFAOYSA-N anhydrous guanidine Natural products NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920003211 cis-1,4-polyisoprene Polymers 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- LRCFXGAMWKDGLA-UHFFFAOYSA-N dioxosilane;hydrate Chemical compound O.O=[Si]=O LRCFXGAMWKDGLA-UHFFFAOYSA-N 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- 239000012990 dithiocarbamate Substances 0.000 description 1
- 150000004659 dithiocarbamates Chemical class 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010068 moulding (rubber) Methods 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010061 rubber shaping Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 150000003585 thioureas Chemical class 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
- KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- B60C1/0016—Compositions of the tread
-
- 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
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- 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
- C08K3/34—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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
-
- 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
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/43—Compounds containing sulfur bound to nitrogen
- C08K5/44—Sulfenamides
-
- 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
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0008—Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the tread rubber
- B60C2011/0016—Physical properties or dimensions
- B60C2011/0025—Modulus or tan delta
-
- 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
- B60C2200/00—Tyres specially adapted for particular applications
- B60C2200/06—Tyres specially adapted for particular applications for heavy duty vehicles
Abstract
Description
以下の表1は、シリカ、シランカップリング剤、硫黄、及び加硫促進剤の様々な充填で組成物特性を判定するために作製された試料トレッドゴム組成物の成分を列挙する。組成物Aは、組成物B~Fと比較して、カーボンブラック充填剤のみを含有し、シリカを含有しない参照組成物である。組成物B~Fは、一定量のカーボンブラック及びシリカの両方を含有する。全ての充填量は、ゴム100部当たりの部(phr)として列挙される。全ての調合された最終試料ストックをシート状にし、続いて、145℃で33分間硬化させた。
Claims (15)
- ゴム組成物から形成された大型車両タイヤトレッドであって、前記ゴム組成物が、ゴム成分と、ゴム100重量部当たり、
a.シリカを含む補強充填剤であって、前記シリカが、30phr未満で存在する、補強充填剤と、
b.シランカップリング剤と、
c.0.5~2.5phrの硫黄と、
d.0.5phr以上の第1の加硫促進剤と、
e.任意選択的に、第2の加硫促進剤と、を含み、
前記ゴム組成物中の前記シランカップリング剤対前記硫黄対総促進剤含有量の比が、1:0.6:0.6~1:1.4:1.4の範囲内にあり、
前記タイヤトレッドの300%伸長時の弾性率が、8MPa以上である、大型車両タイヤトレッド。 - 前記補強充填剤が、28phr以下のシリカを含む、請求項1に記載の大型車両タイヤトレッド。
- 前記硫黄が、1~2phrで存在し、前記シランカップリング剤が、0.8~4.5phrで存在する、請求項1に記載の大型車両タイヤトレッド。
- 前記第1の加硫促進剤が、スルフェンアミドであり、前記硫黄対前記スルホンアミドの比が、1:0.65~1:1.2である、請求項1に記載の大型車両タイヤトレッド。
- 前記第2の加硫促進剤が、0.35phr以上の量で存在する、請求項1に記載の大型車両タイヤトレッド。
- 前記第1の加硫促進剤及び前記第2の加硫促進剤が、1:1~4:1の比で存在する、請求項1に記載の大型車両タイヤトレッド。
- 前記シランカップリング剤対前記硫黄の比が、0.75:1~3:1である、請求項1に記載の大型車両タイヤトレッド。
- 前記補強充填剤が、カーボンブラックを更に含み、前記補強充填剤が、1:1~12.5:1の前記シリカ対前記カーボンブラックの比を含む、請求項1に記載の大型車両タイヤトレッド。
- 前記補強充填剤が、1~35phrのカーボンブラックを含む、請求項8に記載の大型車両タイヤトレッド。
- 前記第1の加硫促進剤及び前記第2の加硫促進剤の総含有量が、1.5~2.5phrの範囲内にある、請求項1に記載の大型車両タイヤトレッド。
- 前記ゴム成分が、40~100質量部の天然ゴム又はポリイソプレンゴム及び5~50質量部のポリブタジエンゴム又はポリスチレン-ブタジエンゴムを含む、請求項1に記載の大型車両タイヤトレッド。
- ゴム組成物から形成された大型車両タイヤトレッドであって、前記ゴム組成物が、ゴム成分を含み、前記ゴム成分が、50~90phrの天然ゴム又はポリイソプレンゴムと、5~50phrのジエンエラストマーと、ゴム100重量部当たり、
a.30~50phrのシリカを含む補強充填剤と、
b.2~4phrのシランカップリング剤と、
c.1~2.5phrの硫黄と、
d.1phr以上の第1の加硫促進剤と、
e.第2の加硫促進剤と、を含み、
前記ゴム組成物中の前記シランカップリング剤対前記硫黄対総促進剤含有量の比が、1:0.4:0.4~1:0.8:0.8の範囲内にあり、
前記タイヤトレッドの300%伸長時の弾性率が、8MPa以上である、大型車両タイヤトレッド。 - 前記第1の加硫促進剤及び前記第2の加硫促進剤が、1.2:1~2.5:1の比で存在する、請求項12に記載の大型車両タイヤトレッド。
- 前記一次促進剤が、スルフェンアミドであり、前記スルフェンアミドが、1~1.5phrで存在し、前記硫黄対前記スルフェンアミドの比が、1:0.6~1:0.9である、請求項12に記載の大型車両タイヤトレッド。
- 前記硫黄が、1.5~2phrで存在し、前記シランカップリング剤が、2.8~3.8phrで存在し、前記第1の加硫促進剤及び前記第2の加硫促進剤の総含有量が、1.5~2.5phrの範囲内にある、請求項12に記載の大型車両タイヤトレッド。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202063132532P | 2020-12-31 | 2020-12-31 | |
US63/132,532 | 2020-12-31 | ||
PCT/US2021/073152 WO2022147447A1 (en) | 2020-12-31 | 2021-12-29 | Modulus recovery in silica-containing tire treads |
Publications (1)
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JP2024502306A true JP2024502306A (ja) | 2024-01-18 |
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JP2023539088A Pending JP2024502306A (ja) | 2020-12-31 | 2021-12-29 | シリカ含有タイヤトレッドにおける弾性率の回復 |
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US (1) | US20220204731A1 (ja) |
EP (1) | EP4271739A1 (ja) |
JP (1) | JP2024502306A (ja) |
WO (1) | WO2022147447A1 (ja) |
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IT1274257B (it) * | 1995-02-24 | 1997-07-15 | Pirelli | Procedimento per la produzione di una mescola di gomma vulcanizzabile con carica rinforzante a base di silice |
ATE465208T1 (de) * | 2001-06-28 | 2010-05-15 | Michelin Soc Tech | Reifenlauffläche verstärkt durch kieselsäure mit niedriger spezifischer oberfläche |
JP2004143244A (ja) * | 2002-10-23 | 2004-05-20 | Bridgestone Corp | 重荷重用タイヤ |
FR2857972B1 (fr) * | 2003-07-21 | 2006-02-03 | Michelin Soc Tech | Bande de roulement pour pneumatique. |
KR101140246B1 (ko) * | 2009-12-21 | 2012-05-02 | 한국타이어 주식회사 | 타이어 트레드용 고무 조성물 및 이를 이용하여 제조한 타이어 |
US10682885B2 (en) * | 2015-04-24 | 2020-06-16 | Pirelli Tyre S.P.A. | High-performance tyre |
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2021
- 2021-12-29 JP JP2023539088A patent/JP2024502306A/ja active Pending
- 2021-12-29 WO PCT/US2021/073152 patent/WO2022147447A1/en active Application Filing
- 2021-12-29 US US17/646,321 patent/US20220204731A1/en active Pending
- 2021-12-29 EP EP21916608.9A patent/EP4271739A1/en active Pending
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US20220204731A1 (en) | 2022-06-30 |
EP4271739A1 (en) | 2023-11-08 |
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