JP5947547B2 - 更生タイヤ - Google Patents
更生タイヤ Download PDFInfo
- Publication number
- JP5947547B2 JP5947547B2 JP2011552711A JP2011552711A JP5947547B2 JP 5947547 B2 JP5947547 B2 JP 5947547B2 JP 2011552711 A JP2011552711 A JP 2011552711A JP 2011552711 A JP2011552711 A JP 2011552711A JP 5947547 B2 JP5947547 B2 JP 5947547B2
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- mass
- tire
- parts
- retread
- 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.)
- Active
Links
- 229920001971 elastomer Polymers 0.000 claims description 209
- 239000005060 rubber Substances 0.000 claims description 208
- 239000000203 mixture Substances 0.000 claims description 24
- 244000043261 Hevea brasiliensis Species 0.000 claims description 16
- 229920003052 natural elastomer Polymers 0.000 claims description 16
- 229920001194 natural rubber Polymers 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- -1 bismaleimide compound Chemical class 0.000 claims description 13
- 229920003051 synthetic elastomer Polymers 0.000 claims description 13
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 229920003192 poly(bis maleimide) Polymers 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 8
- 239000006235 reinforcing carbon black Substances 0.000 claims description 7
- 229960002447 thiram Drugs 0.000 claims description 7
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 229920003049 isoprene rubber Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 description 18
- 238000000926 separation method Methods 0.000 description 10
- 238000004073 vulcanization Methods 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 5
- 229920000459 Nitrile rubber Polymers 0.000 description 5
- 239000005062 Polybutadiene Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229920003048 styrene butadiene rubber Polymers 0.000 description 5
- 239000004636 vulcanized rubber Substances 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920002857 polybutadiene Polymers 0.000 description 3
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 2
- NQVAKENIGGYVKQ-UHFFFAOYSA-N 6-[bis(2-methylpropyl)carbamothioyldisulfanyl]hexylsulfanyl N,N-bis(2-methylpropyl)carbamodithioate Chemical compound C(C(C)C)N(C(=S)SSCCCCCCSSC(N(CC(C)C)CC(C)C)=S)CC(C)C NQVAKENIGGYVKQ-UHFFFAOYSA-N 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- UFFVWIGGYXLXPC-UHFFFAOYSA-N 1-[2-(2,5-dioxopyrrol-1-yl)phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC=C1N1C(=O)C=CC1=O UFFVWIGGYXLXPC-UHFFFAOYSA-N 0.000 description 1
- IPJGAEWUPXWFPL-UHFFFAOYSA-N 1-[3-(2,5-dioxopyrrol-1-yl)phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC(N2C(C=CC2=O)=O)=C1 IPJGAEWUPXWFPL-UHFFFAOYSA-N 0.000 description 1
- AQGZJQNZNONGKY-UHFFFAOYSA-N 1-[4-(2,5-dioxopyrrol-1-yl)phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=C(N2C(C=CC2=O)=O)C=C1 AQGZJQNZNONGKY-UHFFFAOYSA-N 0.000 description 1
- XAZPKEBWNIUCKF-UHFFFAOYSA-N 1-[4-[4-[2-[4-[4-(2,5-dioxopyrrol-1-yl)phenoxy]phenyl]propan-2-yl]phenoxy]phenyl]pyrrole-2,5-dione Chemical compound C=1C=C(OC=2C=CC(=CC=2)N2C(C=CC2=O)=O)C=CC=1C(C)(C)C(C=C1)=CC=C1OC(C=C1)=CC=C1N1C(=O)C=CC1=O XAZPKEBWNIUCKF-UHFFFAOYSA-N 0.000 description 1
- YNSSPVZNXLACMW-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)-3-ethyl-5-methylphenyl]methyl]-2-ethyl-6-methylphenyl]pyrrole-2,5-dione Chemical compound C=1C(C)=C(N2C(C=CC2=O)=O)C(CC)=CC=1CC(C=C1CC)=CC(C)=C1N1C(=O)C=CC1=O YNSSPVZNXLACMW-UHFFFAOYSA-N 0.000 description 1
- ZEUAKOUTLQUQDN-UHFFFAOYSA-N 6-(dibenzylcarbamothioyldisulfanyl)hexylsulfanyl n,n-dibenzylcarbamodithioate Chemical compound C=1C=CC=CC=1CN(CC=1C=CC=CC=1)C(=S)SSCCCCCCSSC(=S)N(CC=1C=CC=CC=1)CC1=CC=CC=C1 ZEUAKOUTLQUQDN-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000006237 Intermediate SAF Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- VTEKOFXDMRILGB-UHFFFAOYSA-N bis(2-ethylhexyl)carbamothioylsulfanyl n,n-bis(2-ethylhexyl)carbamodithioate Chemical compound CCCCC(CC)CN(CC(CC)CCCC)C(=S)SSC(=S)N(CC(CC)CCCC)CC(CC)CCCC VTEKOFXDMRILGB-UHFFFAOYSA-N 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- PGAXJQVAHDTGBB-UHFFFAOYSA-N dibutylcarbamothioylsulfanyl n,n-dibutylcarbamodithioate Chemical compound CCCCN(CCCC)C(=S)SSC(=S)N(CCCC)CCCC PGAXJQVAHDTGBB-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Natural products C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229920006229 ethylene acrylic elastomer Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 125000002960 margaryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 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 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/02—Replaceable treads
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0041—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers
- B60C11/005—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers with cap and base layers
-
- 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
- C08K5/3415—Five-membered rings
-
- 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
- C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
- C08K5/40—Thiurams, i.e. compounds containing groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/54—Retreading
- B29D2030/544—Applying an intermediate adhesive layer, e.g. cement or cushioning element between carcass and 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31826—Of natural rubber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31826—Of natural rubber
- Y10T428/3183—Next to second layer of natural rubber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31924—Including polyene monomers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
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Description
更生タイヤ用クッションゴムと、台タイヤと、1層以上のゴム層からなるプレキュアトレッドゴムとを具える更生タイヤにおいて、
前記更生タイヤ用クッションゴムが、ゴム成分100質量%中、天然ゴム及び/又は合成ポリイソプレンゴムを60〜100質量%の量で含むとともに、前記ゴム成分100質量部に対し、HAF級以上の高補強性カーボンブラックを30〜50質量部の量で含むゴム組成物から形成されてなり、
前記更生タイヤ用クッションゴムからなるゴム層(A)の100%モジュラス(AM)が、3.0MPa以上6.0MPa未満であり、かつ
前記台タイヤの最外層(B)及び前記プレキュアトレッドゴムの最内層(C)が、ゴム成分100質量%中、天然ゴム及び/又は合成イソプレンゴムを60〜100質量%の量で含むゴム組成物から形成されてなることを特徴とする。
(式(I)中、R1〜R4はそれぞれ独立してベンジル基又は炭素数1〜18のアルキル基であり、xは平均数として2〜18である。);
(式(II)中、R5〜R8はそれぞれ独立してベンジル基又は炭素数1〜18のアルキル基である。)。
(式(III)中、Aは、炭素数6〜18の二価の芳香基、又は炭素数7〜24の二価のアルキル芳香族基を示し、yおよびzは、それぞれ独立して0〜3の整数を示す。)。
記台タイヤの最外層(B)の100%モジュラス(BM)、及び前記プレキュアトレッド
ゴムの最内層(C)の100%モジュラス(CM)が、下記式(i)及び(ii);
(i)60%≦AM/BM≦140%
(ii)60%≦AM/CM≦140%
の関係を満たす。
また、得られる更生タイヤは、非常に過酷な使用環境下におかれる航空機用更生タイヤとして、特に有用である。
本発明の更生タイヤは、
更生タイヤ用クッションゴムと、台タイヤと、1層以上のゴム層からなるプレキュアトレッドゴムとを具える更生タイヤにおいて、
前記更生タイヤ用クッションゴムが、ゴム成分100質量%中、天然ゴム及び/又は合成ポリイソプレンゴムを60〜100質量%の量で含むとともに、前記ゴム成分100質量部に対し、HAF級以上の高補強性カーボンブラックを30〜50質量部の量で含むゴム組成物から形成されてなり、
前記更生タイヤ用クッションゴムからなるゴム層(A)の100%モジュラス(AM)が、3.0MPa以上6.0MPa未満であり、かつ
前記台タイヤの最外層(B)及び前記プレキュアトレッドゴムの最内層(C)が、ゴム成分100質量%中、天然ゴム及び/又は合成イソプレンゴムを60〜100質量%の量で含むゴム組成物から形成されてなることを特徴としている。
前記ゴム成分100質量部に対し、HAF級以上の高補強性カーボンブラックを30〜50質量部の量で含むゴム組成物から形成されてなり、
前記更生タイヤ用クッションゴムからなるゴム層(A)の100%モジュラス(AM)が、3.0MPa以上5.0MPa未満である。
xは平均数として2〜18であり、好ましくは6〜12である。
なお、上記プレキュアトレッドゴムは1層以上のゴム層からなるものであればよく、複数層からなるものである場合には、プレキュアトレッドゴム内の最内層(C)以外の層として、ゴム被覆コード層等からなる所望の補強ファブリック層を設けてもよい。
(i)60%≦AM/BM≦140%
(ii)60%≦AM/CM≦140%
の関係を満たし、下記式(i-1)及び(ii-1)の関係を満たすのがより望ましい。
(i-1)80%≦AM/BM≦120%
(ii-1)80%≦AM/CM≦120%
[実施例1〜7、比較例1〜8]
表1〜2に示す配合処方に従い、その他、ゴム成分100質量部に対して、ステアリン酸3.0質量部、亜鉛華5.0質量部、老化防止剤(ノクラック6C、大内新興化学工業社製)2.0質量部、硫黄1.5〜3.5質量部、加硫促進剤をさらに適量添加し、各々のゴム組成物をクッションゴム層(A)、台タイヤの最外層(B)、及びプレキュアトレッドゴムの最内層(C)に適用した航空機用ラジアル更生タイヤ(サイズ:30×8.8 R15 16PR)をCOLD方式により作製した。得られた更生タイヤを用いて、以下の評価を行った。
得られた更生タイヤから各部材のゴムの厚さ0.3mmのシートを切り出し、DINS3Aタイプ刃型で切り抜いてテスト・サンプルを作成し、このサンプルを100mm/分の引っ張り速度の条件で、クッションゴム層(A)の100%モジュラス(AM)、台タイヤの最外層(B)の100%モジュラス(BM)、プレキュアトレッドゴムの最内層(C)の100%モジュラス(CM)を測定し、各々モジュラス対比AM/BM、AM/CMを求めた。結果を表1〜2に示す。
得られた更生タイヤをリムに取り付けたリム組立体を、ドラム試験機に取り付け、アメリカ航空管理局(FAA:U.S. Federal Aviation Administration)の承認試験「TSO‐C62 d」を1サイクル実施し、下記基準により評価を行った。結果を表1〜2に示す。
故障なし:ゴム層(A)内にブロードアウトが発生せず、またゴム層(A)〜(C)のいずれの界面にも異常がなかった。
ブロードアウト:ゴム層(A)内にブロードアウトが発生した。
セパレーション:ゴム層(A)〜(C)のいずれかの界面近傍でセパレーション故障が発生した。
※2: 四塩化スズ変性スチレン−ブタジエンゴム、JSR社製(スチレン含量5%、ビニル含量34%)
※3: 1,6−ビス(N,N’−ジイソブチルチオカルバモイルジチオ)−ヘキサン
※4: N,N’−(4,4’−ジフェニルメタン)ビスマレイミド
※5: ブタジエンゴム、BR01、JSR社製
Claims (3)
- 更生タイヤ用クッションゴムと、台タイヤと、1層以上のゴム層からなるプレキュアトレッドゴムとを具える更生タイヤにおいて、
前記更生タイヤ用クッションゴムが、ゴム成分100質量%中、天然ゴム及び/又は合成ポリイソプレンゴムを60〜100質量%の量で含むとともに、前記ゴム成分100質量部に対し、HAF級以上の高補強性カーボンブラックを30〜50質量部の量で含むゴム組成物から形成されてなり、
前記更生タイヤ用クッションゴムからなるゴム層(A)の100%モジュラス(AM)が、3.0MPa以上6.0MPa未満であり、かつ
前記台タイヤの最外層(B)及び前記プレキュアトレッドゴムの最内層(C)が、ゴム成分100質量%中、天然ゴム及び/又は合成イソプレンゴムを60〜100質量%の量で含むゴム組成物から形成されてなり、
前記更生タイヤ用クッションゴムからなるゴム層(A)の100%モジュラス(A M )、前記台タイヤの最外層(B)の100%モジュラス(B M )、及び前記プレキュアトレッドゴムの最内層(C)の100%モジュラス(C M )が、下記式(i)及び(ii);
(i)60%≦A M /B M ≦140%
(ii)60%≦A M /C M ≦140%
の関係を満たすことを特徴とする更生タイヤ。
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JP6527019B2 (ja) * | 2015-05-25 | 2019-06-05 | Toyo Tire株式会社 | タイヤ用ゴム組成物、及びそれを用いたタイヤ |
JP6422830B2 (ja) * | 2015-07-06 | 2018-11-14 | 東洋ゴム工業株式会社 | 更生タイヤ用クッションゴム組成物、及びそれを用いた更生タイヤ |
FR3039556A1 (fr) * | 2015-07-29 | 2017-02-03 | Michelin & Cie | Pneumatique d'avion |
JP6666102B2 (ja) * | 2015-10-07 | 2020-03-13 | 株式会社ブリヂストン | ゴム組成物、ゴム複合体及びゴムクローラ |
WO2018021538A1 (ja) * | 2016-07-29 | 2018-02-01 | 株式会社ブリヂストン | ゴム組成物及びそれを用いた更生タイヤ及びその更生タイヤの製造方法 |
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US11247424B1 (en) | 2016-12-13 | 2022-02-15 | Bridgestone Americas Tire Operations, Llc | Methods for retreading tires |
CN108973274B (zh) | 2017-06-02 | 2020-07-21 | 普利司通美国轮胎运营有限责任公司 | 用于制备橡胶和极性热固性材料的复合物的粘合剂体系 |
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US9573423B2 (en) | 2017-02-21 |
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EP2532536A4 (en) | 2014-10-01 |
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