JP7421962B2 - タイヤ - Google Patents
タイヤ Download PDFInfo
- Publication number
- JP7421962B2 JP7421962B2 JP2020042215A JP2020042215A JP7421962B2 JP 7421962 B2 JP7421962 B2 JP 7421962B2 JP 2020042215 A JP2020042215 A JP 2020042215A JP 2020042215 A JP2020042215 A JP 2020042215A JP 7421962 B2 JP7421962 B2 JP 7421962B2
- Authority
- JP
- Japan
- Prior art keywords
- tire
- reinforcing layer
- belt reinforcing
- rubber
- cord
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 105
- 239000000203 mixture Substances 0.000 claims description 73
- 230000001070 adhesive effect Effects 0.000 claims description 71
- 239000000853 adhesive Substances 0.000 claims description 70
- 239000000835 fiber Substances 0.000 claims description 58
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 46
- 235000013824 polyphenols Nutrition 0.000 claims description 46
- 229920001971 elastomer Polymers 0.000 claims description 34
- 239000005060 rubber Substances 0.000 claims description 33
- 239000011324 bead Substances 0.000 claims description 30
- -1 isocyanate compound Chemical class 0.000 claims description 30
- 125000003118 aryl group Chemical group 0.000 claims description 27
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 25
- 239000012948 isocyanate Substances 0.000 claims description 21
- 229920000126 latex Polymers 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 16
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 15
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 12
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 11
- 125000003172 aldehyde group Chemical group 0.000 claims description 9
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 9
- 244000043261 Hevea brasiliensis Species 0.000 claims description 8
- 239000005062 Polybutadiene Substances 0.000 claims description 8
- 150000001491 aromatic compounds Chemical class 0.000 claims description 8
- 229920003052 natural elastomer Polymers 0.000 claims description 8
- 229920001194 natural rubber Polymers 0.000 claims description 8
- 229920002857 polybutadiene Polymers 0.000 claims description 8
- 229920002943 EPDM rubber Polymers 0.000 claims description 7
- 239000002174 Styrene-butadiene Substances 0.000 claims description 4
- QUEICCDHEFTIQD-UHFFFAOYSA-N buta-1,3-diene;2-ethenylpyridine;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=N1 QUEICCDHEFTIQD-UHFFFAOYSA-N 0.000 claims description 4
- 229920005555 halobutyl Polymers 0.000 claims description 4
- 229920001195 polyisoprene Polymers 0.000 claims description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 5
- 239000010410 layer Substances 0.000 description 120
- 150000001299 aldehydes Chemical class 0.000 description 58
- 150000001875 compounds Chemical class 0.000 description 23
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 16
- 239000002981 blocking agent Substances 0.000 description 12
- 230000007613 environmental effect Effects 0.000 description 12
- 229920001228 polyisocyanate Polymers 0.000 description 12
- 239000005056 polyisocyanate Substances 0.000 description 12
- 125000002947 alkylene group Chemical group 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 5
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 229960001755 resorcinol Drugs 0.000 description 5
- 238000007598 dipping method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920001470 polyketone Polymers 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 3
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- 229920000433 Lyocell Polymers 0.000 description 2
- YXOLAZRVSSWPPT-UHFFFAOYSA-N Morin Chemical compound OC1=CC(O)=CC=C1C1=C(O)C(=O)C2=C(O)C=C(O)C=C2O1 YXOLAZRVSSWPPT-UHFFFAOYSA-N 0.000 description 2
- SUZRRICLUFMAQD-UHFFFAOYSA-N N-Methyltaurine Chemical compound CNCCS(O)(=O)=O SUZRRICLUFMAQD-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000001414 amino alcohols Chemical class 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 150000002390 heteroarenes Chemical class 0.000 description 2
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical compound CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 229920006389 polyphenyl polymer Polymers 0.000 description 2
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 2
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IPRSYPLQDZLFFB-UHFFFAOYSA-N 2-(butylamino)ethanesulfonic acid Chemical compound CCCCNCCS(O)(=O)=O IPRSYPLQDZLFFB-UHFFFAOYSA-N 0.000 description 1
- 239000004953 Aliphatic polyamide Substances 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 229920002085 Dialdehyde starch Polymers 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 description 1
- WSMYVTOQOOLQHP-UHFFFAOYSA-N Malondialdehyde Chemical compound O=CCC=O WSMYVTOQOOLQHP-UHFFFAOYSA-N 0.000 description 1
- JPYHHZQJCSQRJY-UHFFFAOYSA-N Phloroglucinol Natural products CCC=CCC=CCC=CCC=CCCCCC(=O)C1=C(O)C=C(O)C=C1O JPYHHZQJCSQRJY-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- PCSMJKASWLYICJ-UHFFFAOYSA-N Succinic aldehyde Chemical compound O=CCCC=O PCSMJKASWLYICJ-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 235000004279 alanine Nutrition 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229920003231 aliphatic polyamide Polymers 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 150000003934 aromatic aldehydes Chemical class 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- IZALUMVGBVKPJD-UHFFFAOYSA-N benzene-1,3-dicarbaldehyde Chemical compound O=CC1=CC=CC(C=O)=C1 IZALUMVGBVKPJD-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
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- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
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- 229920003244 diene elastomer Polymers 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
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- 239000000806 elastomer Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- UXOUKMQIEVGVLY-UHFFFAOYSA-N morin Natural products OC1=CC(O)=CC(C2=C(C(=O)C3=C(O)C=C(O)C=C3O2)O)=C1 UXOUKMQIEVGVLY-UHFFFAOYSA-N 0.000 description 1
- 235000007708 morin Nutrition 0.000 description 1
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229960003742 phenol Drugs 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- ZWLUXSQADUDCSB-UHFFFAOYSA-N phthalaldehyde Chemical compound O=CC1=CC=CC=C1C=O ZWLUXSQADUDCSB-UHFFFAOYSA-N 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- 239000011342 resin composition Substances 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 229950000244 sulfanilic acid Drugs 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- HFFLGKNGCAIQMO-UHFFFAOYSA-N trichloroacetaldehyde Chemical compound ClC(Cl)(Cl)C=O HFFLGKNGCAIQMO-UHFFFAOYSA-N 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/395—Isocyanates
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/0042—Reinforcements made of synthetic materials
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/005—Reinforcements made of different materials, e.g. hybrid or composite cords
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
- B60C9/2009—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords comprising plies of different materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/41—Phenol-aldehyde or phenol-ketone resins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/693—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
-
- 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
- B60C2001/0066—Compositions of the belt layers
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2048—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by special physical properties of the belt plies
- B60C2009/2051—Modulus of the ply
- B60C2009/2054—Modulus of the ply being different within the same ply
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- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
- B60C9/2204—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre obtained by circumferentially narrow strip winding
- B60C2009/2209—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre obtained by circumferentially narrow strip winding characterised by tension of the cord during winding
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
- B60C2009/2214—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre characterised by the materials of the zero degree ply cords
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
- B60C2009/2228—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre characterised by special physical properties of the zero degree plies
- B60C2009/2233—Modulus of the zero degree ply
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
- B60C2009/2252—Physical properties or dimension of the zero degree ply cords
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
- B60C2009/2252—Physical properties or dimension of the zero degree ply cords
- B60C2009/2266—Density of the cords in width direction
- B60C2009/2271—Density of the cords in width direction with variable density
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Tires In General (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Description
かかる構成によれば、タイヤの、環境負荷を低減させ、且つ、タイヤ性能を向上させることができる。
以下に、本発明に係るタイヤ1で用いられる、有機繊維コード等のコードにコーティングされる接着剤組成物について説明する。本発明に係る接着剤組成物は、ポリフェノール類及びアルデヒド類を含む。タイヤ1において、カーカス14、ベルト15、又はベルト補強層16等に用いられるコードをコーティングする接着剤組成物が、特定のポリフェノール類及びアルデヒド類を含有するもので構成されることで、環境への負荷を考慮してレゾルシンを用いない場合であっても、良好な接着性を実現できる。
接着剤組成物は、樹脂成分としてポリフェノール類を含む。接着剤組成物中にポリフェノール類を含むことで、樹脂組成物の接着性を高めることができる。ここで、ポリフェノール類は、水溶性のポリフェノール類であり、レゾルシン(レゾルシノール)以外のポリフェノールであれば限定はされない。ポリフェノール類において、芳香族環の数、又は水酸基の数は、適宜選択されてもよい。
フロログルシノール:
接着剤組成物は、上述したポリフェノール類に加えて、樹脂成分としてアルデヒド類を含む。接着剤組成物中にアルデヒド類を含有することで、上述したポリフェノール類と共に高い接着性を実現できる。ここで、アルデヒド類は、特に限定はされず、要求される性能に応じて、適宜選択されてもよい。本発明では、アルデヒド類には、アルデヒド類が発生源であるアルデヒド類の誘導体も含まれる。
接着剤組成物は、上述したポリフェノール類及びアルデヒド類に加えて、イソシアネート化合物をさらに含むことが好ましい。ポリフェノール類及びアルデヒド類との相乗効果によって、接着剤組成物の接着性を大きく高めることができる。
本発明の接着剤組成物は、上述したポリフェノール類、アルデヒド類及びイソシアネート化合物に加えて、実質的にはゴムラテックスをさらに含むことができる。これによって、接着剤組成物は、ゴム部材との接着性をより高めることができる。
本発明に係るタイヤ1は、接着剤組成物がコーティングされた有機繊維コードを有している。接着剤組成物がコーティングされた有機繊維コードは、被覆ゴム等のゴム部材と接着し、ゴム-有機繊維コード複合体を形成している。得られたゴム-有機繊維コード複合体は、本発明に係る接着剤組成物を用いているため、環境への負荷が小さい。
Claims (12)
- 一対のビード部間にトロイド状に延在するカーカスと、
前記カーカスのクラウン部のタイヤ径方向外側に配置された、ベルト層と、
前記ベルト層のタイヤ径方向外側に配置された、ベルト補強層と、
を備える、タイヤであって、
前記タイヤは、レゾルシン以外のポリフェノール類とホルムアルデヒドを含まないアルデヒド類とを含む接着剤組成物がコーティングされた、有機繊維コードを有し、
タイヤ赤道面を中心にタイヤ幅方向の幅が接地端間の長さの2/3のタイヤ幅方向領域をセンター領域とし、前記センター領域よりもタイヤ幅方向外側の前記接地端間のタイヤ幅方向領域をショルダー領域とするとき、
前記センター領域における前記ベルト補強層の第1引張弾性率は、前記ショルダー領域における前記ベルト補強層の第2引張弾性率に比べて小さいことを特徴とし、
前記第1引張弾性率の前記第2引張弾性率に対する比は、1/1.5~1/5.0であり、
前記センター領域における前記ベルト補強層の第1巻き付け張力は、前記ショルダー領域における前記ベルト補強層の第2巻き付け張力に比べて小さく、
前記第1巻き付け張力は、3~7N/cordであり、前記第2巻き付け張力は、10~20N/cordである、タイヤ。 - 前記センター領域における前記ベルト補強層のコードの打ち込み本数は、前記ショルダー領域における前記ベルト補強層のコードの打ち込み本数に比べて少ない、請求項1に記載のタイヤ。
- 前記センター領域における前記ベルト補強層のコードの熱収縮率は、前記ショルダー領域における前記ベルト補強層のコードの熱収縮率に比べて小さい、請求項1又は2に記載のタイヤ。
- 前記ベルト補強層は、前記有機繊維コードを含む、請求項1から3のいずれか一項に記載のタイヤ。
- 前記ポリフェノール類は、3つ以上の水酸基を有する、請求項1から4のいずれか一項に記載のタイヤ。
- 前記アルデヒド類は、芳香環を有するアルデヒド類である、請求項1から5のいずれか一項に記載のタイヤ。
- 前記アルデヒド類は、2つ以上のアルデヒド基を有する、請求項6に記載のタイヤ。
- 前記接着剤組成物中の前記ポリフェノール類及び前記アルデヒド類の合計含有量が、3~30質量%である、請求項1から7のいずれか一項に記載のタイヤ。
- 前記接着剤組成物は、イソシアネート化合物を含む、請求項1から8のいずれか一項に記載のタイヤ。
- 前記イソシアネート化合物は、(ブロックド)イソシアネート基含有芳香族化合物である、請求項9に記載のタイヤ。
- 前記接着剤組成物は、ゴムラテックスを含む、請求項1から10のいずれか一項に記載のタイヤ。
- 前記ゴムラテックスは、天然ゴム(NR)、ポリイソプレンゴム(IR)、スチレン-ブタジエン共重合体ゴム(SBR)、ポリブタジエンゴム(BR)、エチレン-プロピレン-ジエンゴム(EPDM)、クロロプレンゴム(CR)、ハロゲン化ブチルゴム、アクリロニリトル-ブタジエンゴム(NBR)及びビニルピリジン-スチレン-ブタジエン共重合体ゴム(Vp)からなる群より選択される少なくとも一種である、請求項11に記載のタイヤ。
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JP2020042215A JP7421962B2 (ja) | 2020-03-11 | 2020-03-11 | タイヤ |
PCT/JP2021/009654 WO2021182543A1 (ja) | 2020-03-11 | 2021-03-10 | タイヤ |
EP21767689.9A EP4119360A4 (en) | 2020-03-11 | 2021-03-10 | TIRE |
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JP2020042215A JP7421962B2 (ja) | 2020-03-11 | 2020-03-11 | タイヤ |
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JP2021142846A (ja) | 2021-09-24 |
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