WO2008003411A1 - Schichtartig aufeebaute vulkanisate auf basis von hydriertem vinylpolybutadien - Google Patents
Schichtartig aufeebaute vulkanisate auf basis von hydriertem vinylpolybutadien Download PDFInfo
- Publication number
- WO2008003411A1 WO2008003411A1 PCT/EP2007/005578 EP2007005578W WO2008003411A1 WO 2008003411 A1 WO2008003411 A1 WO 2008003411A1 EP 2007005578 W EP2007005578 W EP 2007005578W WO 2008003411 A1 WO2008003411 A1 WO 2008003411A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vulcanizates
- layered
- rubber
- layers
- rubbers
- Prior art date
Links
- 229920002857 polybutadiene Polymers 0.000 title claims abstract description 12
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 title claims abstract description 10
- 239000005062 Polybutadiene Substances 0.000 title abstract description 6
- 229920001971 elastomer Polymers 0.000 claims abstract description 65
- 239000005060 rubber Substances 0.000 claims abstract description 63
- 239000000203 mixture Substances 0.000 claims description 44
- 238000005984 hydrogenation reaction Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 244000043261 Hevea brasiliensis Species 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229920003052 natural elastomer Polymers 0.000 claims description 7
- 229920001194 natural rubber Polymers 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000010059 sulfur vulcanization Methods 0.000 claims description 7
- 241001441571 Hiodontidae Species 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- 238000010068 moulding (rubber) Methods 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims 1
- 238000004073 vulcanization Methods 0.000 description 29
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 21
- 239000011593 sulfur Substances 0.000 description 20
- 229910052717 sulfur Inorganic materials 0.000 description 20
- 239000000945 filler Substances 0.000 description 12
- 238000004132 cross linking Methods 0.000 description 11
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- 230000000052 comparative effect Effects 0.000 description 7
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
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- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 4
- 229920000459 Nitrile rubber Polymers 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 3
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- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 2
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- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
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- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
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- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 2
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- 239000004615 ingredient Substances 0.000 description 2
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- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
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- WGARMULIELDQEH-UHFFFAOYSA-N n-cyclohexyl-1,3-benzothiazole-2-sulfinamide Chemical compound N=1C2=CC=CC=C2SC=1S(=O)NC1CCCCC1 WGARMULIELDQEH-UHFFFAOYSA-N 0.000 description 2
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- VNDRMZTXEFFQDR-UHFFFAOYSA-N (piperidine-1-carbothioyltrisulfanyl) piperidine-1-carbodithioate Chemical compound C1CCCCN1C(=S)SSSSC(=S)N1CCCCC1 VNDRMZTXEFFQDR-UHFFFAOYSA-N 0.000 description 1
- OPNUROKCUBTKLF-UHFFFAOYSA-N 1,2-bis(2-methylphenyl)guanidine Chemical compound CC1=CC=CC=C1N\C(N)=N\C1=CC=CC=C1C OPNUROKCUBTKLF-UHFFFAOYSA-N 0.000 description 1
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- 230000008018 melting Effects 0.000 description 1
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- VILGDADBAQFRJE-UHFFFAOYSA-N n,n-bis(1,3-benzothiazol-2-ylsulfanyl)-2-methylpropan-2-amine Chemical compound C1=CC=C2SC(SN(SC=3SC4=CC=CC=C4N=3)C(C)(C)C)=NC2=C1 VILGDADBAQFRJE-UHFFFAOYSA-N 0.000 description 1
- BLCKKNLGFULNRC-UHFFFAOYSA-L n,n-dimethylcarbamodithioate;nickel(2+) Chemical compound [Ni+2].CN(C)C([S-])=S.CN(C)C([S-])=S BLCKKNLGFULNRC-UHFFFAOYSA-L 0.000 description 1
- KGNDVXPHQJMHLX-UHFFFAOYSA-N n-(3-trimethoxysilylpropyl)cyclohexanamine Chemical compound CO[Si](OC)(OC)CCCNC1CCCCC1 KGNDVXPHQJMHLX-UHFFFAOYSA-N 0.000 description 1
- AGVKXDPPPSLISR-UHFFFAOYSA-N n-ethylcyclohexanamine Chemical compound CCNC1CCCCC1 AGVKXDPPPSLISR-UHFFFAOYSA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 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
- 239000003921 oil Substances 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 150000002889 oleic acids Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 150000004989 p-phenylenediamines Chemical class 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000000678 plasma activation Methods 0.000 description 1
- 229920000636 poly(norbornene) polymer Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910000057 polysulfane Inorganic materials 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- BCELSKZIQVOBEH-UHFFFAOYSA-N s-benzylthiohydroxylamine Chemical compound NSCC1=CC=CC=C1 BCELSKZIQVOBEH-UHFFFAOYSA-N 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 150000003336 secondary aromatic amines Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001612 separation test Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 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
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- HXOGQBSDPSMHJK-UHFFFAOYSA-N triethoxy(6-methylheptyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCCCC(C)C HXOGQBSDPSMHJK-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- FBBATURSCRIBHN-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyldisulfanyl)propyl]silane Chemical group CCO[Si](OCC)(OCC)CCCSSCCC[Si](OCC)(OCC)OCC FBBATURSCRIBHN-UHFFFAOYSA-N 0.000 description 1
- UWSYCPWEBZRZNJ-UHFFFAOYSA-N trimethoxy(2,4,4-trimethylpentyl)silane Chemical compound CO[Si](OC)(OC)CC(C)CC(C)(C)C UWSYCPWEBZRZNJ-UHFFFAOYSA-N 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- RKQOSDAEEGPRER-UHFFFAOYSA-L zinc diethyldithiocarbamate Chemical compound [Zn+2].CCN(CC)C([S-])=S.CCN(CC)C([S-])=S RKQOSDAEEGPRER-UHFFFAOYSA-L 0.000 description 1
- PGNWIWKMXVDXHP-UHFFFAOYSA-L zinc;1,3-benzothiazole-2-thiolate Chemical compound [Zn+2].C1=CC=C2SC([S-])=NC2=C1.C1=CC=C2SC([S-])=NC2=C1 PGNWIWKMXVDXHP-UHFFFAOYSA-L 0.000 description 1
- DRKOTOCDZAUOFY-UHFFFAOYSA-L zinc;n,n-bis(7-methyloctyl)carbamodithioate Chemical compound [Zn+2].CC(C)CCCCCCN(C([S-])=S)CCCCCCC(C)C.CC(C)CCCCCCN(C([S-])=S)CCCCCCC(C)C DRKOTOCDZAUOFY-UHFFFAOYSA-L 0.000 description 1
- KMNUDJAXRXUZQS-UHFFFAOYSA-L zinc;n-ethyl-n-phenylcarbamodithioate Chemical compound [Zn+2].CCN(C([S-])=S)C1=CC=CC=C1.CCN(C([S-])=S)C1=CC=CC=C1 KMNUDJAXRXUZQS-UHFFFAOYSA-L 0.000 description 1
- YBKBEKGVHFHCRI-UHFFFAOYSA-L zinc;piperidine-1-carbodithioate Chemical compound [Zn+2].[S-]C(=S)N1CCCCC1.[S-]C(=S)N1CCCCC1 YBKBEKGVHFHCRI-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/042—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/12—Layered products comprising a layer of natural or synthetic rubber comprising natural rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/02—Hydrogenation
-
- 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]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31924—Including polyene monomers
Definitions
- the present application relates to layered vulcanizates wherein one of the layers of a hydrogenated vinylpolybutadiene and the other layers preferably consist of double bond-containing rubbers.
- the vulcanizates according to the invention are prepared by covulcanization of the structure composed of several layers by means of a sulfur-containing vulcanization system.
- a layered structure of the vulcanizates is used, since, on the one hand, the individual layers of different materials have to fulfill very specific functional requirements and, on the other hand, good adhesion of the layers to one another is crucial for the functionality of the entire structure.
- layered vulcanizates are tires, hoses, drive belts and conveyor belts.
- This object is achieved, for example, by using mixtures of different rubbers for the production of the individual layers.
- This procedure leads in particular to the goal if in each case a portion of the same rubber is contained in two adjacent rubber mixtures. This achieves both good stickiness of the layers in the unvulcanized state (tack) and good adhesion of the layers after vulcanization. Since the requirements placed on the layers of a covulcanisate are often very different, admixtures of foreign rubbers change the specific property profile of the vulcanized rubber mixture, and the layered vulcanizate no longer fulfills the desired purpose overall. Also, the determination of the optimal amount of foreign rubber can be associated with a lot of effort, since on the one hand the amount of foreign rubber must be minimized. On the other hand, a certain minimum amount of the foreign rubber is necessary to achieve sufficient tack in the unvulcanized state as well as sufficient adhesion after vulcanization.
- the object of the present invention is therefore to provide layered vulcanizates, wherein at least one of these layers contains hydrogenated vinylpolybutadiene.
- the present invention therefore relates to layered vulcanizates, which are characterized in that at least one of the layers of a hydrogenated Vinylpoly- butadiene rubber having a vinyl content before the hydrogenation of 30 to 70% and with hydrogenation degrees of 70 to 98% and Mooney Values of 40 to 140 Mooney units (ML 1 + 4/125 ° C) and the other layers consist of double-bond containing rubbers.
- Preferred as hydrogenated vinylpolybutadienes are those having degrees of hydrogenation of 80 to 95%, vinyl contents before hydrogenation of 40 to 60% and Mooney values in the range of 60 to 135 Mooney units.
- the layered vulcanizates may contain the layers of hydrogenated vinylpolybutadienes in any desired number.
- the layers of the hydrogenated vinylpolybutadienes can be located in the outer region of the layered vulcanizates as well as between the layers of the other rubbers. So it is possible, for example, a very thin layer of hydrogenated Apply Vinylpolybutadien by spraying a solution or a pre-assembled plate to shield environmental influences from the outside. Or the layers may be inside structures if they are to be a structural, adhesive, or other functional element. Therefore, the layer thicknesses of the hydrogenated vinylpolybutadienes as well as the other rubbers in a wide range of about 1 micron to several centimeters can move.
- the layers may be both unvulcanized and partially vulcanized prior to assembly.
- layered vulcanizates constructed by continuously rubber mixtures containing hydrogenated vinylpolybutadiene, with mixtures of other double bond-containing rubbers z.
- B. produces by co-extrusion with suitable nozzles and then vulcanized the layered structure unvulcanized structure.
- double bond-containing rubbers which can serve to build up the layers in the vulcanizates according to the invention, particular mention is made of: polyisoprenes of synthetic or natural origin (IR and NR), styrene-butadiene rubbers (SBR), butadiene rubbers (BR), acrylonitrile Butadiene rubbers (NBR), butyl rubbers (IIR), bromobutyl rubbers (BIIR), chlorobutyl rubbers (CIIR), polychloroprene rubbers, hydrogenated acrylonitrile-butadiene rubbers (HNBR), epoxidized natural rubber (ENR), polynorbornene rubbers and rubbers based on ethylene / propylene polymers (EPDM), preferably SBR, BR and NR rubber.
- SBR styrene-butadiene rubbers
- BR butadiene rubbers
- NBR butyl rubbers
- IIR butyl rubbers
- BIIR bromobut
- At least one layer contains double bond-containing rubbers.
- These are preferably made of SBR rubber, polybutadiene rubber or natural rubber or mixtures thereof.
- the hydrogenated vinylpolybutadienes used for the layered structure of the vulcanizates according to the invention can be prepared according to the teaching of DE 103 24 304 A1.
- the hydrogenated vinylpolybutadienes can still be mixed with other mixture components, as well as for later vulcanization with a sulfur-containing vulcanization system.
- Typical blend ingredients for the hydrogenated vinylpolybutadienes include fillers, filler activators, plasticizers, antiwear agents, and mold release agents, as well as the known ingredients required for sulfur vulcanization.
- the addition of known reinforcements is possible.
- Carbon blacks, silicic acid, calcium carbonate, barium sulfate, zinc oxide, magnesium oxide, aluminum oxide, iron oxide, diatomaceous earth, cork powder and / or silicates may be used as fillers.
- the selection of the fillers depends on the properties profile of the vulcanizates to be set.
- vulcanizates are to be fi rmly fi lled, for example, it is advisable to use appropriate hydroxides, such as aluminum hydroxide, magnesium hydroxide, calcium hydroxide, and also hydrous salts, in particular salts which contain water as the water of crystallization.
- appropriate hydroxides such as aluminum hydroxide, magnesium hydroxide, calcium hydroxide, and also hydrous salts, in particular salts which contain water as the water of crystallization.
- the fillers are generally used in amounts of v about 0.1 to 150 phr. Of course, it is also possible to use a wide variety of fillers mixed with each other.
- filler activators may be added along with the fillers to achieve certain product and / or cure properties.
- the addition of the filler activators may be carried out during the compounding process, but it may also be a treatment of the filler with filler activator before it is added to the rubber mixture.
- organic silanes such as bis (triethoxysilylpropyl) polysulfane, vinyltrimethoxysilane, vinyldimethoxymethylsilane, vinyltriethoxysilane, vinyltris (2-methoxyethoxy) silane, N-cyclohexyl-3-aminopropyltrimethoxysilane, 3-aminopropyltrimethoxysilane, methyltrimethoxysilane, methyltriethoxysilane, dimethyldimethoxysilane, dimethyldiethoxysilane , Trimethylethoxysilane, isooctyltrimethoxysilane, isooctyltriethoxysilane, hexadecyltrimethoxysilane and (octadecyl) methyldimethoxysilane be used.
- organic silanes such as bis (triethoxysilylpropyl) polysulfane, vinyltrime
- Further filler activators are, for example, surface-active substances such as triethanolamine and ethylene glycols having molecular weights of 74 to 10,000 g / mol.
- the amount of activators is usually about 0.1 to 5 phr, based on the amount of the rubber component.
- plasticizers or process oils used are preferably high-boiling mineral oil fractions or else synthetic plasticizers which may contain aliphatic, naphthenic and aromatic hydrocarbons in different proportions.
- synthetic plasticizers which may contain aliphatic, naphthenic and aromatic hydrocarbons in different proportions.
- An overview of the plasticizers or process oils to be used is given in: Ullmann's Encyklopadie der ischen Chemie, 4th Edition, Volume 24, pp. 349-380 (1977). These plasticizers are used in amounts of about 0.1 of up to 100 phr.
- the sulfur vulcanizates of hydrogenated vinylpolybutadienes can, as usual, additionally be protected against various environmental influences, for example exposure to heat, UV light, ozone or dynamic fatigue, by adding anti-aging agents.
- anti-aging agents are the following: p-phenylenediamines, for example N-isopropyl-N'-phenyl-p-phenylenediamine, N- (1,3-dimethylbutyl) -N'-phenyl-p-phenylenediamine and N, N ' -Di (l, 4-dimethylpentyl) -p-phenylenediamine, secondary aromatic amines, such as. B.
- TMQ 2-dihydro-quinoline
- DDA styrenated diphenylamine
- OCD octylated diphenylamine
- PAN phenyl- ⁇ -naphthylamine
- mercapto compounds for example 2- Mercaptobenzimidazole, 4- and 5-methylmercaptobenzimidazole (MB 2) or their zinc salts (ZMB2).
- the known phenolic antioxidants can be used, such as sterically hindered phenols. It is also possible to use combinations of the aforementioned anti-aging agents.
- the anti-aging agents are usually used in amounts of about 0.1 to 8 phr, preferably 0.3 to 5 phr, based on the total amount of polymer.
- Suitable mold release agents are, for example: saturated or partially unsaturated fatty and oleic acids and derivatives thereof (fatty acid esters, fatty acid salts, fatty alcohols, fatty acid amides) furthermore products which can be applied to the mold surface, for example products based on low molecular weight silicone compounds, products based on fluoropolymers and products based on phenolic resins.
- the mold release agents are used as a blend component in amounts of about 0.2 to 10 phr, preferably 0.5 to 5 phr, based on the total amount of polymer.
- Vulcanization & vulcanizing agent ed. Bayer AG Leverkusen (1965), Th. Kempermann, in:
- sulfur can be used in elemental soluble or insoluble form as well as in the form of sulfur donors.
- Suitable sulfur donors are, for example: dimorpholyl disulfide, 2-morpholinodithiobenzothiazole, caprolactam disulfide, dipentamethylene thiuram tetrasulfide or tetramethylthiuram disulfide.
- the crosslinking can also take place with sulfur or sulfur donors alone. It is also possible to carry out the crosslinking of the hydrogenated vinylpolybutadienes with a series of accelerators or accelerator combinations alone and without the addition of elemental sulfur or sulfur donors, if this results in a reasonable property profile.
- accelerators and crosslinking agents based on dithiocarbamates, thiurams, thiazoles, sulfenamides, xanthates, guanidine accelerators, dithiophosphates and caprolactams are additionally used.
- dithiocarbamates which can be used are: zinc dimethyldithiocarbamate, zinc diethyldithiocarbamate, zinc dibutyldithiocarbamate, zinc ethylphenyldithiocarbamate, zinc dibenzyldithiocarbamate, zinc pentamethylene dithiocarbamate, tellurium diethyldithiocarbamate, nickel dibutyldithiocarbamate, nickel dimethyldithiocarbamate or zinc diisononyldithiocarbamate.
- thiazoles As Thiurame example, tetramethylthiuram disulfide, Tetramethylthiurammonosulfid, Dimethyldiphenylthiuramdisulf ⁇ d, Tetrabenzylthiuramdisulf ⁇ d, Dipentamethylenthiuramtetrasulfid or Tetraethylthiuramdisulfid be used.
- Examples of thiazoles used are: 2-mercaptobenzothiazole, dibenzothiazyl disulfide, zinc mercaptobenzothiazole, benzothiazyldicyclohexysulfenamide, N-tert-butyl-2-benzothiazolesulfenimide or copper 2-mercaptobenzothiazole.
- sulfenamide accelerators used are: N-cyclohexylbenzothiazylsulfenamide, N-tert-butyl-2-benzthiazylsulfenamide, benzothiazyl-2-sulfenmo ⁇ holide, N-dicyclohexyl-2-benzthiazylsulfenamide, 2-methylphenylbenzothiazylsulfenamide, 2-morpholinedithiobenzothiazole, N- Oxydiethylenethiocarbamyl-N-tert-butylsulfenamide or Oxydiethylenethiocarbamyl-N-oxydethylenesulfenamide.
- xanthate accelerator there are used, for example, sodium dibutylxanthogenate, zinc isopropyldibutylxanthogenate or zinc dibutylxanthogenate.
- guanidine accelerators are used for example: diphenylguanidine, di-o-tolylguanidine, o-tolylbiguanide.
- dithiophosphates used for example Zinkdialkydithiophosphate (chain length alkyl radicals C2 to C 16), Kupferdialkyldi- thiophosphate (chain length alkyl radicals C2 to C 16) or Dithiophoshorylpolysulfid.
- caprolactams used for example dithio-bis-caprolactam.
- accelerators are for example still in question: zinc diamine diisocyanate, hexamethylenetetramine, 1,3-bis (citraconimidomethyl) benzene and cyclic disulfanes.
- the accelerators and crosslinking agents mentioned can be used both individually and in mixtures.
- the following substances are preferably used for crosslinking the hydrogenated vinylpolybutadienes: sulfur, 2-mercaptobenzothiazole, tetramethylthiuram disulfide, tetramethylthiuram monosulfide, zinc dibenzyldithiocarbamate, dipentamethylenethiuram tetrasulfide, zinc dialkydithiophosphates, dimorpholyl disulfide, tellurium diethyldithiocarbamate,
- crosslinking agents and accelerators can be used in amounts of about 0.05 to 10 phr, preferably 0.1 to 8 phr, in particular 0.5 to 5 phr (single dose, in each case based on the active substance).
- inorganic or organic activators in addition to the vulcanization accelerators or crosslinking agents, for example: zinc oxide, zinc carbonate, lead oxide, magnesium oxide, saturated or unsaturated organic fatty acids and their zinc salts, polyalcohols, aminoalcohols, such as For example, triethanolamine, and amines such as dibutylamine, dicyclohexylamine, cyclohexylethylamine or polyetheramines.
- the vulcanization behavior of the sulfur crosslinking of the hydrogenated vinylpolybutadienes according to the invention can also be influenced - where technically necessary or desired - by suitable retarders.
- suitable retarders for example, the following substances are suitable: N- (cyclohexylthio) phthalimide, phthalic anhydride, N-phenyl-N- (trichloromethyl-sulfenyl) benzylsulfenamide, benzoic acid or salicylic acid.
- Activators and retarders can be used in amounts of about 0.1 to 12 phr, preferably 0.2 to 8 phr, more preferably in amounts of 0.5 to 5 phr.
- the vulcanizates by the addition of reinforcements, such as glass fibers, fibers of aliphatic and aromatic polyamides, such as Aramid ® , polyester fibers, Polyvinyl alcohol fibers, cellulose fibers, natural fibers such as cotton or wood fibers, as well as fabrics of cotton, polyester, polyamide, glass and steel cord are reinforced.
- reinforcements or short fibers may need to be rendered adhesive-friendly prior to use (eg, RFL dip) to allow for a strong bond with the elastomer.
- RFL dip adhesive-friendly prior to use
- the mixing of the hydrogenated vinylpolybutadienes to be used according to the invention with the abovementioned additives takes place before the vulcanization in the customary aggregates, such as internal mixers, extruders and rolls.
- the mixing of the other rubbers mentioned, which are to be used with the hydrogenated Vinylpolybutadienen in the composite, is carried out according to the prior art in the same or similar manner.
- the processing of the mixtures can be carried out in a known manner, such as calendering, transfer molding, extrusion or injection molding.
- the temperature during processing should be chosen so that no premature vulcanization takes place. For this purpose, appropriate preliminary tests can be carried out.
- the optimum temperature for carrying out the vulcanization of the composite is naturally dependent on the reactivity of the crosslinking systems used and can be carried out in the present case at temperatures from room temperature (about 2O 0 C) to about 220 0 C, preferably under elevated pressure, since this usually proves to be favorable to obtain liability.
- the crosslinking times are generally about 20 seconds to 60 minutes, preferably about 30 seconds to 30 minutes.
- the vulcanization reaction itself can be carried out in a conventional manner, in vulcanization presses, autoclaves, in the presence of hot air, microwaves and other high-energy radiation (eg UV or IR radiation) and in a salt bath.
- high-energy radiation eg UV or IR radiation
- a post-treatment may be required.
- the layered vulcanizates of the invention can be used for the production of all rubber moldings, in particular technical Rubber articles and tire components, which are layered.
- tires, tire components, tire sidewalls, belts, inflatable boats, conveyor belts and belts, profiles, hoses, plates, linings, coatings, soles, gaskets, cable sheathing, bellows, buffers and composite bodies of rubber / metal are to be mentioned as layered rubber moldings.
- Rubber / plastic and rubber / textile preferably tires, belts, conveyor belts and straps, profiles, hoses and composite bodies of rubber / metal, rubber / plastic and rubber / textile.
- plate-shaped blanks with a material thickness of 1.2-1.5 mm were drawn from the uncured mixtures on a laboratory roller.
- the blanks are covered on both sides with Teflon film and produced by pressing in a cold laboratory press (30 min pressing time at 150 bar) plane-parallel plates with a material thickness of 1 mm. From these plates test pieces with the dimensions 48 * 6 * 1 mm are punched out. - -
- the film is removed and the samples are pressed crosswise at an angle of 90 ° (contact time 10 s at a pressing force of 6.67 N).
- the sample geometry results in a contact area of 36 mm 2 .
- test specimens are prepared and measured.
- Tack measurements were carried out on the following layer combinations and the following maximum values of the separation force (median values from six measurements) were determined:
- the vulcanization behavior of the mixtures was determined according to ASTM D 5289 at 18O 0 C and a measuring time of 30 minutes with the aid of the moving rheometer MDR2000 from Alpha Technology. Characteristic parameters are: F a , F m3x , F max -F 3 , tio, t 50 . t 90 and t 95
- part 3 mean:
- F max - F a Difference of the volumetric readings between maximum and minimum ti 0 : time at which 10% of the final turnover is reached t 50 : time at which 50% of the final turnover is reached t 90 : time at which 90% of the final turnover t 95 is reached : time at which 95% of the final turnover is reached
- plate-shaped blanks having a material thickness of 2 mm were drawn out of the uncured mixtures on a laboratory roller. From the blanks strips were cut with the dimensions 150x20x2 mm. The mixture strips of the different mixture combinations were placed precisely on top of each other, with a Teflon film in the upper part being placed on a surface of 60 mm 2 so that the holders of the tensile testing machine can be attached there later.
- the thus prepared specimens were vulcanized in a vulcanization press at a temperature of 160 0 C and a pressure of 150 bar in suitable forms; Vulcanization time: 15 min.
- the vulcanized composites were intermediately stored at room temperature for 24 hours prior to the start of the test.
- the non-adhered ends of the composite bodies were clamped in the holders of the traverse of the tensile testing machine and pulled apart at a feed rate of 100 mm / min.
- Mixture 1 / mixture 2 120 N (example according to the invention)
- the adhesion strength of the layer is of hydrogenated vinyl polybutadiene after vulcanization in the same order as in the comparative examples.
- no foreign rubber was added to the hydrogenated vinyl polybutadiene layer according to the invention.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009516961A JP5258759B2 (ja) | 2006-07-01 | 2007-06-25 | 水素化ビニルポリブタジエンをベースにした層構造加硫物 |
EP07764814A EP2038117A1 (de) | 2006-07-01 | 2007-06-25 | Schichtartig aufeebaute vulkanisate auf basis von hydriertem vinylpolybutadien |
BRPI0713573-4A BRPI0713573A2 (pt) | 2006-07-01 | 2007-06-25 | vulcanizados laminados e uso dos mesmos, processo para produção de vulcanizados e uso de vinilpolibutadienos hidratados |
US12/304,778 US20100112365A1 (en) | 2006-07-01 | 2007-06-25 | Layered-structure vulcanizates based on hydrogenated vinyl polybutadiene |
MX2008016442A MX2008016442A (es) | 2006-07-01 | 2007-06-25 | Productos vulcanizados estratificados a base de polibutadieno de vinilo hidrogenado. |
CA 2656127 CA2656127C (en) | 2006-07-01 | 2007-06-25 | Layered-structure vulcanizates based on hydrogenated vinylpolybutadiene |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006031317.8 | 2006-07-01 | ||
DE200610031317 DE102006031317A1 (de) | 2006-07-01 | 2006-07-01 | Schichtartig aufgebaute Vulkanisate auf Basis von hydriertem Vinylpolybutadien |
Publications (1)
Publication Number | Publication Date |
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WO2008003411A1 true WO2008003411A1 (de) | 2008-01-10 |
Family
ID=38617497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/005578 WO2008003411A1 (de) | 2006-07-01 | 2007-06-25 | Schichtartig aufeebaute vulkanisate auf basis von hydriertem vinylpolybutadien |
Country Status (9)
Country | Link |
---|---|
US (1) | US20100112365A1 (de) |
EP (1) | EP2038117A1 (de) |
JP (1) | JP5258759B2 (de) |
CN (1) | CN101484311A (de) |
BR (1) | BRPI0713573A2 (de) |
CA (1) | CA2656127C (de) |
DE (1) | DE102006031317A1 (de) |
MX (1) | MX2008016442A (de) |
WO (1) | WO2008003411A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010049356A1 (de) * | 2008-10-30 | 2010-05-06 | Lanxess Deutschland Gmbh | Verfahren zur herstellung von polybutadien-haltigen formteilen |
CN108973274A (zh) * | 2017-06-02 | 2018-12-11 | 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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EP2736049B1 (de) * | 2012-11-23 | 2018-01-03 | Nexans | Lagerstabile vernetzbare Polymermischung auf Basis chlorierten Polymers |
JP6295133B2 (ja) | 2014-04-24 | 2018-03-14 | 東洋ゴム工業株式会社 | ランフラットタイヤ |
JP6324815B2 (ja) | 2014-05-30 | 2018-05-16 | 東洋ゴム工業株式会社 | ランフラットタイヤ及びその製造方法 |
JP6240562B2 (ja) | 2014-06-10 | 2017-11-29 | 東洋ゴム工業株式会社 | ランフラットタイヤ |
JP6227493B2 (ja) | 2014-07-14 | 2017-11-08 | 東洋ゴム工業株式会社 | ランフラットタイヤ |
JP6342254B2 (ja) | 2014-08-01 | 2018-06-13 | 東洋ゴム工業株式会社 | ランフラットタイヤ |
CN107868308A (zh) * | 2016-05-31 | 2018-04-03 | 王翔 | 一种石墨烯增强橡胶 |
CN107351489B (zh) * | 2017-06-27 | 2019-07-26 | 浙江欧尔赛斯科技有限公司 | 天然橡胶、丁基橡胶、膜材覆合垫片及其生产工艺 |
EP4140735A1 (de) | 2020-11-30 | 2023-03-01 | Kolon Industries, Inc. | Leichteres gummiverstärkungsmaterial, verfahren zur herstellung davon und reifen damit |
CN114350036B (zh) * | 2021-12-07 | 2023-06-20 | 茂泰(福建)新材料科技有限公司 | 一种高耐候性防滑发泡鞋底及其制备方法 |
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DE10324304A1 (de) * | 2003-05-30 | 2004-12-16 | Bayer Ag | Kautschukartige hydrierte Vinyl-Polybutadiene |
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2006
- 2006-07-01 DE DE200610031317 patent/DE102006031317A1/de not_active Withdrawn
-
2007
- 2007-06-25 US US12/304,778 patent/US20100112365A1/en not_active Abandoned
- 2007-06-25 BR BRPI0713573-4A patent/BRPI0713573A2/pt not_active IP Right Cessation
- 2007-06-25 JP JP2009516961A patent/JP5258759B2/ja not_active Expired - Fee Related
- 2007-06-25 CA CA 2656127 patent/CA2656127C/en not_active Expired - Fee Related
- 2007-06-25 MX MX2008016442A patent/MX2008016442A/es unknown
- 2007-06-25 EP EP07764814A patent/EP2038117A1/de not_active Withdrawn
- 2007-06-25 CN CNA2007800250518A patent/CN101484311A/zh active Pending
- 2007-06-25 WO PCT/EP2007/005578 patent/WO2008003411A1/de active Application Filing
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010049356A1 (de) * | 2008-10-30 | 2010-05-06 | Lanxess Deutschland Gmbh | Verfahren zur herstellung von polybutadien-haltigen formteilen |
KR101361937B1 (ko) | 2008-10-30 | 2014-02-13 | 란세스 도이치란트 게엠베하 | 폴리부타디엔 함유 성형물의 제조 방법 |
CN108973274A (zh) * | 2017-06-02 | 2018-12-11 | 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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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 |
Also Published As
Publication number | Publication date |
---|---|
EP2038117A1 (de) | 2009-03-25 |
US20100112365A1 (en) | 2010-05-06 |
MX2008016442A (es) | 2009-07-06 |
DE102006031317A1 (de) | 2008-01-03 |
JP5258759B2 (ja) | 2013-08-07 |
CA2656127A1 (en) | 2008-01-10 |
CN101484311A (zh) | 2009-07-15 |
JP2009541098A (ja) | 2009-11-26 |
CA2656127C (en) | 2015-01-27 |
BRPI0713573A2 (pt) | 2012-10-23 |
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