EP3619059A1 - Fahrzeugluftreifen mit geräuschabsorber und klebemittelzusammensetzung zur befestigung wenigstens eines geräuschabsorbers auf einer fläche eines fahrzeugluftreifens - Google Patents
Fahrzeugluftreifen mit geräuschabsorber und klebemittelzusammensetzung zur befestigung wenigstens eines geräuschabsorbers auf einer fläche eines fahrzeugluftreifensInfo
- Publication number
- EP3619059A1 EP3619059A1 EP18719499.8A EP18719499A EP3619059A1 EP 3619059 A1 EP3619059 A1 EP 3619059A1 EP 18719499 A EP18719499 A EP 18719499A EP 3619059 A1 EP3619059 A1 EP 3619059A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rubber
- adhesive
- vehicle tire
- weight
- pneumatic vehicle
- 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.)
- Pending
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 98
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 98
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 36
- 239000000203 mixture Substances 0.000 title claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 53
- 239000005060 rubber Substances 0.000 claims abstract description 53
- 239000013032 Hydrocarbon resin Substances 0.000 claims abstract description 27
- 229920006270 hydrocarbon resin Polymers 0.000 claims abstract description 27
- 229920000098 polyolefin Polymers 0.000 claims abstract description 21
- 239000000470 constituent Substances 0.000 claims abstract description 9
- 239000006260 foam Substances 0.000 claims description 24
- 229920005549 butyl rubber Polymers 0.000 claims description 22
- 239000005062 Polybutadiene Substances 0.000 claims description 21
- 229920001194 natural rubber Polymers 0.000 claims description 21
- 229920002857 polybutadiene Polymers 0.000 claims description 21
- 244000043261 Hevea brasiliensis Species 0.000 claims description 20
- 239000000945 filler Substances 0.000 claims description 20
- 229920003052 natural elastomer Polymers 0.000 claims description 20
- 229920001083 polybutene Polymers 0.000 claims description 14
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 12
- 229920005555 halobutyl Polymers 0.000 claims description 11
- 125000004968 halobutyl group Chemical group 0.000 claims description 11
- 239000004814 polyurethane Substances 0.000 claims description 9
- 229920003051 synthetic elastomer Polymers 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000000178 monomer Substances 0.000 description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- 239000004014 plasticizer Substances 0.000 description 15
- 239000000126 substance Substances 0.000 description 12
- 125000003118 aryl group Chemical group 0.000 description 10
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 125000001931 aliphatic group Chemical group 0.000 description 8
- 239000006229 carbon black Substances 0.000 description 8
- -1 cyclic aliphatic hydrocarbons Chemical class 0.000 description 8
- 239000000565 sealant Substances 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 7
- 150000001336 alkenes Chemical class 0.000 description 6
- 150000001925 cycloalkenes Chemical class 0.000 description 5
- 239000000284 extract Substances 0.000 description 5
- 239000002480 mineral oil Substances 0.000 description 5
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 4
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical compound C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 229920003244 diene elastomer Polymers 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 235000010446 mineral oil Nutrition 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 229920001568 phenolic resin Polymers 0.000 description 4
- 239000005011 phenolic resin Substances 0.000 description 4
- 239000012763 reinforcing filler Substances 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 150000003505 terpenes Chemical class 0.000 description 3
- 235000007586 terpenes Nutrition 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- LRTOHSLOFCWHRF-UHFFFAOYSA-N 1-methyl-1h-indene Chemical compound C1=CC=C2C(C)C=CC2=C1 LRTOHSLOFCWHRF-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920002368 Glissopal ® Polymers 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229920006271 aliphatic hydrocarbon resin Polymers 0.000 description 2
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 229920003049 isoprene rubber Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- GBGPVUAOTCNZPT-UHFFFAOYSA-N 2-Methylcumarone Chemical compound C1=CC=C2OC(C)=CC2=C1 GBGPVUAOTCNZPT-UHFFFAOYSA-N 0.000 description 1
- ROGIWVXWXZRRMZ-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1 ROGIWVXWXZRRMZ-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 229920006978 SSBR Polymers 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 125000002015 acyclic group Chemical group 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- VLLYOYVKQDKAHN-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene Chemical compound C=CC=C.CC(=C)C=C VLLYOYVKQDKAHN-UHFFFAOYSA-N 0.000 description 1
- RTACIUYXLGWTAE-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene;styrene Chemical compound C=CC=C.CC(=C)C=C.C=CC1=CC=CC=C1 RTACIUYXLGWTAE-UHFFFAOYSA-N 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical class C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 1
- 229920005558 epichlorohydrin rubber Polymers 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 229920006168 hydrated nitrile rubber Polymers 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- DZCCLNYLUGNUKQ-UHFFFAOYSA-N n-(4-nitrosophenyl)hydroxylamine Chemical compound ONC1=CC=C(N=O)C=C1 DZCCLNYLUGNUKQ-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000636 poly(norbornene) polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 125000005624 silicic acid group Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/383—Natural or synthetic rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- 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
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/002—Noise damping elements provided in the tyre structure or attached thereto, e.g. in the tyre interior
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2407/00—Presence of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2409/00—Presence of diene rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
- C09J2475/006—Presence of polyurethane in the substrate
Definitions
- the invention relates to a pneumatic vehicle tire with at least one inner surface adhering to the inner surface thereof opposite the tread
- An aforementioned pneumatic vehicle tire is known from DE 10 2007 028932 AI and WO 2015149959 AI.
- the noise absorber from DE 10 2007 028932 A1 is designed in the form of a foam ring and reduces the air vibration in the tire and leads to an improvement of the noise behavior in the vehicle.
- the foam ring is made of open-cell foam and is also called
- the sealant subsequently applied to the inside of the tire after the heating of the tire has two functions: it seals an undesired puncture of the tire in the area of the tread by flowing the viscous sealant in the place of injury in case of injury of the inner layer
- the sealant also serves as an "adhesive" for attaching the sound absorbing foam ring.
- the sealant may be based on polyurethane or a viscous mixture based on a crosslinked butyl rubber, a crosslinked polybutene or based on silicone.
- US 2016/0001612 A1 discloses a sealing means for fastening a
- a noise absorber wherein the sealant contains 20 to 40 wt .-% butyl rubber, 20 to 30 wt .-% polybutene and 35 to 50 wt .-% filler.
- the sealant contains 20 to 40 wt .-% butyl rubber, 20 to 30 wt .-% polybutene and 35 to 50 wt .-% filler.
- a challenge is that the chemical composition of the adhesive for fixing the adhesive
- Noise absorber must be compatible with the other tire components and in particular a suitable flow ability and sufficient tackiness of the adhesive must be guaranteed.
- the adhesive should be comparatively simple, in particular with respect to the sealing means described
- the present invention is therefore based on the object, a
- a pneumatic vehicle tire having at least one noise absorber adhered internally thereof to the inner surface opposite the tread, wherein the noise absorbent adheres to an adhesive which can be produced in a comparatively simple and inexpensive manner, ensuring the adhesion of the noise absorber throughout the life of the tire should.
- the adhesive contains at least the following constituents:
- the adhesive contains said substances in the stated amounts, it is comparatively simply composed, compatible with the others Tire components and in particular has an optimized viscosity and thus an optimized flow behavior with a very good tackiness at the same time.
- the adhesion of the at least one sound absorber in the pneumatic vehicle tire according to the invention is ensured over the life of the tire.
- Vehicle pneumatic tire according to the invention is produced comparatively easily and inexpensively.
- viscosity means, in particular, the complex viscosity (for example, by means of plate-plate rheometer at a particular temperature of interest), unless stated otherwise.
- a complex viscosity is included relatively high temperature relevant, in particular at 120 ° C.
- Another object of the present invention is a
- Adhesive composition for fastening at least one noise absorber on a surface of a pneumatic vehicle tire, which contains at least the following constituents:
- the surface of the pneumatic vehicle tire for which the adhesive is suitable may, in principle, be any surface on which a sound absorber may be mounted for use over an extended period of time, in particular for long service life and tire life.
- the surface can be of any conceivable size and depends on the geometry and dimensions of the sound absorber.
- the noise absorber of the pneumatic vehicle tire according to the invention may, in principle, be any element or combination of elements which can be attached to its inner surface by adhesion in a pneumatic vehicle tire and which reduces / reduces the noise emission of the tire during driving ,
- Sound absorber at least one porous damping element.
- Porous materials have the particular advantage that they bring in addition to the noise absorption at the same time not too high weight in the tire, so that the
- the porous material of which the damping element is formed is
- polyurethane for example selected from the group consisting of polyurethane, in particular polyurethane foams on a polyether base and / or polyurethane foams on a polyester basis with a density of 18 to 300 kg / m 3 , preferably 30 to 35 kg / m 3 , and a hardness of 6.5 kilograms Pascal, polyester having a density of 18 to 300 kg / m 3, preferably 30 to 35 kg / m 3 , and a hardness of 6.5 kilo-pascal, polyether, and any porous, sound-absorbing material mixtures, such as
- Nonwoven materials or cork Other possible porous materials that are suitable for use as a damping element, for example, a melamine resin foam or a construction foam.
- the noise absorber preferably at least one porous damping element, contains at least one polyurethane.
- Polyurethane is particularly suitable due to its specific density and other material properties as well as availability.
- this is porous
- Damping element a closed or opened in the direction of rotation
- the ring can do that be closed in the direction of rotation or in the form of an open strip, with the ends of the strip can touch but need not or may overlap.
- the foam of the foam ring is preferably an open cell foam because it is best suited to absorb sound.
- the sound absorber is a closed one
- Sound-absorbing foam ring made of polyurethane, particularly preferably a polyether-based polyurethane foam.
- the sound absorber or the sound absorber may have any shape, such as. e.g. individual elements in the form of blocks, strips or the like, which can be combined with each other as desired.
- the adhesive according to the invention contains the following constituents:
- the rubber may in principle be any rubber known to the person skilled in the art.
- the total amount is 10 to 80 wt .-% or the amounts are based on the total amount of rubbers contained, unless otherwise stated. According to a preferred embodiment of the invention, it is at least one diene rubber.
- the adhesive thus preferably contains from 10 to 80% by weight of at least one diene rubber.
- the at least one diene rubber is preferably selected from the group consisting of natural polyisoprene (natural rubber, NR), synthetic polyisoprene (IR), epoxidized polyisoprene, butadiene rubber (polybutadiene, BR), butadiene-isoprene rubber, solution-polymerized styrene-butadiene rubber.
- SSBR emulsion-polymerized styrene-butadiene rubber
- ESBR emulsion-polymerized styrene-butadiene rubber
- ESBR emulsion-polymerized styrene-butadiene rubber
- styrene-isoprene rubber liquid rubbers having a weight average molecular weight Mw by GPC greater than 20,000 g / mol
- halobutyl rubber polynorbornene, isoprene-isobutylene copolymer
- Ethylene-propylene-diene rubber nitrile rubber
- chloroprene rubber acrylate rubber
- fluorine rubber silicone rubber
- polysulfide rubber epichlorohydrin rubber
- styrene-isoprene-butadiene terpolymer hydrogenated acrylonitrile-butadiene rubber and hydrogenated styrene-butadiene
- the rubber is selected from the group consisting of natural rubber (NR), synthetic polyisoprene (IR), butadiene rubber (BR), styrene-butadiene rubber (SBR), butyl rubber (HR) and halobutyl rubber.
- NR natural rubber
- IR synthetic polyisoprene
- BR butadiene rubber
- SBR styrene-butadiene rubber
- HR butyl rubber
- halobutyl rubber halobutyl rubber
- the butyl rubber may be any known to those skilled in the art
- Butyl rubber act. Butyl rubber in the adhesive has the advantage that it is compatible with the rubber of the inner layer of the vehicle tire and has a relatively high airtightness. In addition, 10 to 80 wt .-% carry at least one butyl rubber contributes to the adhesive having the viscosity suitable for the application described.
- Adhesives according to the invention have the following constituents:
- the adhesive contains at least one butyl rubber in amounts of 20 to 40 wt .-%, particularly preferably 20 to 38 wt .-%, again particularly preferably 20 to 28 wt .-%, most preferably 23 to 28 wt .-%.
- the viscosity and tackiness of the adhesive is further optimized.
- the amount of the at least one butyl rubber is from 51 to 80% by weight.
- the pneumatic vehicle tire has an innerliner containing at least one halobutyl rubber and / or at least one butyl rubber, the adhesive comprising the above-mentioned constituents in the tire interior on the radially inward facing surface of the inner layer adheres to the attachment of the sound absorber.
- the adhesive contains 10 to 80 wt .-% of at least one rubber, wherein the rubber is selected from the group consisting of natural rubber (NR), synthetic polyisoprene (IR), butadiene rubber (BR), styrene Butadiene rubber (SBR) and halobutyl rubber.
- the amount of the at least one rubber is from 30 to 60% by weight, preferably from 40 to 55% by weight, particularly preferably from 45 to 50% by weight.
- the amount of at least one rubber is up to 80 wt .-%, in particular 60 to 80 wt .-%.
- the adhesive comprises at least one butyl rubber and at least one rubber selected from the group consisting of natural rubber (NR), synthetic polyisoprene (IR), butadiene rubber (BR), styrene-butadiene rubber ( SBR) and halobutyl rubber, the total amount being from 10 to 80% by weight.
- NR natural rubber
- IR synthetic polyisoprene
- BR butadiene rubber
- SBR styrene-butadiene rubber
- halobutyl rubber the total amount being from 10 to 80% by weight.
- Rubber conceivable. According to an advantageous embodiment of the invention, based on the total amount of rubbers contained thereof from 50 to 99 wt .-% rubbers selected from the group consisting of natural rubber (NR), synthetic polyisoprene (IR), butadiene rubber (BR), styrene-butadiene - Rubber (SBR) and halobutyl rubber and 1 to 50 wt .-% of at least one butyl rubber.
- NR natural rubber
- IR synthetic polyisoprene
- BR butadiene rubber
- SBR styrene-butadiene - Rubber
- halobutyl rubber 1 to 50 wt .-% of at least one butyl rubber.
- the adhesive contains 11 to 80% by weight of at least one polyolefin.
- the amount of the at least one polyolefin is preferably from 31 to 80% by weight, particularly preferably from 35 to 70% by weight, again particularly preferably from 35 to 60% by weight, very particularly preferably from 35 to 57% by weight. With such amounts, an optimal flow behavior and optimal Stickiness achieved at the same time good manufacturability (processability) of the adhesive.
- the at least one polyolefin preferably has a number average of
- a polyolefin having the above-mentioned ranges for the Mn is particularly suitable for producing the desired fluidity with simultaneous high tackiness of the adhesive.
- the at least one polyolefin is at least one polybutene.
- Polybutene is particularly suited to the desired properties of
- Adhesive set For the at least one polybutene, in particular the abovementioned preferred, particularly preferred, etc., number average of
- the at least one polyolefin has a chlorine content of less than or equal to 5 mg / kg, preferably less than or equal to 3 mg / kg.
- the figure refers to mg of chlorine per one kg of the polyolefin.
- the adhesive contains at least one polyolefin having a chlorine content of less than or equal to 1.5 mg / kg, more preferably less than 1 mg / kg.
- the polyolefin is preferably a polybutene.
- the adhesive thus contains at least one polybutene having a chlorine content of less than or equal to 5 mg / kg, preferably less than or equal to 3 mg / kg, more preferably less than 1 mg / kg.
- Suitable polybutenes also called polyisobutenes, are, for example known under the trade names Glissopal® BASF. Particularly suitable are Glissopal ® V-500, V-640 or V-190th
- Foam noise absorbers preferably polyurethane (PU), are used, wherein the chlorine-free polybutene is particularly compatible with the (PU) foam and no or hardly any decomposition processes take place.
- PU polyurethane
- the adhesive contains according to the invention 2 to 20 wt .-% of at least one hydrocarbon resin.
- the amount of the at least one hydrocarbon resin is 5 to 10 wt .-%, particularly preferably 5 to 8 wt .-%, most preferably 5 to 6.5 wt .-%.
- hydrocarbon resins are polymers which are composed of monomers, the hydrocarbon resin being characterized by
- Linkage of the monomers to each other is formally constructed from derivatives of the monomers.
- hydrocarbon resins in the context of the present application comprises resins which have carbon atoms and hydrogen atoms and, optionally, heteroatoms, in particular oxygen atoms, may have.
- the hydrocarbon resin may be a homopolymer or a copolymer.
- Homopolymer is understood in the present application to mean a polymer which, according to Römpp Online (excerpt from 02.01.2017, last update of the August 2008 article), "has been formed from monomers of only one type".
- copolymer is understood as meaning a polymer which consists of several, i. two or more, different monomers is constructed.
- the context of the present invention the
- Hydrocarbon resin therefore, for example, be a copolymer of three different monomers.
- the monomers may be any of the monomers of hydrocarbon resins known to those skilled in the art, such as aliphatic monomers, in particular aliphatic Cs monomers, other unsaturated compounds which can be cationically polymerized, containing aromatics and / or terpenes and / or alkenes and / or cycloalkenes ,
- preferred monomers are C 5 and C 9 monomers.
- aromatics may be, for example, alpha-methylstyrene and / or styrene and / or vinyltoluene and / or indene and / or coumarone and / or methylindene and / or methylcoumarone and / or phenol.
- the aromatic monomers are preferably alpha-methylstyrene and / or styrene and / or vinyltoluene and / or indene and / or coumarone and / or methylindene and / or methylcumarone.
- the at least one hydrocarbon resin comprises no phenolic hydrocarbon resin, or the at least one hydrocarbon resin is preferably not based on phenol
- the adhesive is thus according to a preferred embodiment of the invention free of phenolic resins, d. H. contains 0 to 0.1% by weight, ideally 0% by weight of phenolic resins.
- the alkenes may be, for example, 1-butene and / or 2-butene and / or butadiene.
- the hydrocarbon resin is at least one aliphatic resin, ie a resin which does not contain any aromatic ring systems. Such a resin consists of 100% by weight of aliphatic monomers or their derivatives.
- the resin is from 10 to 99 wt .-%, preferably 50 to 99 wt .-%, particularly preferably 70 to 99 wt .-%, of aliphatic and 1 to 90 wt .-%, preferably 1 to 50 wt .-%, particularly preferably 1 to 30 wt .-% of aromatic monomers.
- the hydrocarbon resin is at least one resin which is composed of at least C 5 monomers and is known to the person skilled in the art as a so-called Cs resin.
- Cs resin a resin which is composed of at least C 5 monomers and is known to the person skilled in the art.
- particularly good properties of the adhesive in particular an optimized flow behavior with good tackiness, are achieved.
- the advantages are particularly evident in comparison to phenolic resins (phenolic resins).
- the aliphatic Cs monomers may be monomers of the C 5 petroleum fraction, for example isoprene, and / or monomers of the terpenes and / or cycloolefins and / or olefins, such as, for example, pentene.
- C 5 is meant that these monomers are composed of five carbon atoms.
- Cs petroleum fraction except aliphatic monomers having five carbon atoms, other aliphatic monomers (building blocks) with eg four, ie C4 monomers, or six carbon atoms, C 6 monomers may contain.
- the adhesive contains 1 to 50 wt .-% of at least one filler, whereby the viscosity of the
- Adhesive can be optimally adjusted.
- the amount of the at least one filler is for this purpose particularly preferably 1 to 35 wt .-%, again particularly preferably 5 to 35 wt .-%, most preferably 5 to 20 wt .-%, and thereby particularly particularly preferably 5 to 15% by weight, again in particular particularly preferably 5 to 10% by weight, based on the total amount of
- the filler may be any of the fillers known to those skilled in the art, such as, in particular, reinforcing fillers, such as carbon black and / or silica, by which is meant and preferred, in particular, precipitated silicas known as fillers for tire rubber blends.
- silica-based fillers such as silicates or sand
- non-reinforcing fillers in the context of the present invention include alumo silicates, sand, kaolin, chalk, starch, magnesium oxide, titanium dioxide or rubber gels, and also fibers (such as, for example, aramid fibers, glass fibers, carbon fibers, cellulose fibers)
- the filler comprises at least one carbon black. This has the advantage that the cohesion of the adhesive is increased and the tackiness of the adhesive is lowered during the manufacturing process. At the same time, the site strength and the tearing properties of the adhesive are improved.
- a carbon black which has an iodine adsorption number according to ASTM D 1510 of 20 to 180 g / kg, more preferably 30 to 140 g / kg, and a DBP number according to ASTM D 2414 of 30 to 200 ml / 100 g, preferably 90 to 180 ml / 100g, more preferably 110 to 180 ml / 100g.
- a carbon black of the type N326 is used.
- the filler comprises at least one silica ("silica").
- an optimal reinforcement of the adhesive is achieved and allows a good viscosity control and adjustment.
- the cohesion of the adhesive is increased with at least one silica and the stickiness of the
- Adhesive is lowered during the manufacturing process. At the same time, the site strength and the tearing properties of the adhesive are improved.
- the silicas may be the silicas known to those skilled in the art which are suitable as a filler for tire rubber mixtures. As silicas can thus z. B. both those of the type Ultrasil® VN3
- the adhesive is free of peroxide compounds, d. H. according to this embodiment, it contains 0 to 0.001% by weight, ideally 0% by weight of such
- Adhesives free vulcanizing agents and metal oxides ie it contains according to in this embodiment 0 to 0.001 wt .-%, ideally 0 wt .-% of such compounds, wherein the amount refers to each substance individually.
- the adhesive most preferably does not contain any substances that would crosslink the adhesive and are included in sealants known in the art.
- the adhesive is thus compared to sealants as a fastener for sound absorbers comparatively simple and inexpensive composed and also has an optimized viscosity. Typical substances which according to these preferred embodiments of the
- peroxides e.g. B. dibenzoyl peroxide
- quinones e.g. B. quinone dioxime
- the adhesive may also contain other ingredients, such as in particular plasticizers, such as. For example, 01 (e).
- the adhesive contains 0.2 to 12 wt .-% of at least one plasticizer, wherein it contains in particular and preferably a mixture of two different plasticizers.
- the plasticizers may be any known to those skilled in the art
- Plasticizers particularly oils, act, such as, in particular, aromatic, naphthenic or paraffinic mineral oil softening agents such as MES (mild extraction solvate) or RAE (Residual Aromatic Extract) or TDAE (treated distillate aromatic extract), or Rubber-to-Liquid oils (RTL ) or biomass-to-liquid oils (BTL) preferably containing polycyclic aromatic compounds of less than 3% by weight according to method IP 346. Mineral oils are particularly preferred as plasticizers.
- aromatic, naphthenic or paraffinic mineral oil softening agents such as MES (mild extraction solvate) or RAE (Residual Aromatic Extract) or TDAE (treated distillate aromatic extract), or Rubber-to-Liquid oils (RTL ) or biomass-to-liquid oils (BTL) preferably containing polycyclic aromatic compounds of less than 3% by weight according to method IP 346.
- Mineral oils are particularly preferred as plasticizers.
- mineral oil this is preferably selected from the group consisting of DAE (Distilled Aromatic Extracts) and / or RAE (Residual Aromatic Extract) and / or TDAE (Treated Distilled Aromatic Extracts) and / or MES (Mild Extracted Solvents) and / or naphthenic oils.
- the adhesive consists of butyl rubber, Polyolefm, hydrocarbon resin, filler and plasticizer, the above statements on the type and amount of the respective substances apply.
- the adhesive according to a preferred embodiment of the invention consists of
- Such an adhesive is particularly optimized with regard to processability, flow behavior and local strength. It also has due to the composition of an optimal stickiness.
- the adhesive consists of rubber, Polyolefm, hydrocarbon resin, filler and
- Plasticizer the above statements on the type and amount of the respective substances apply.
- the adhesive according to a preferred embodiment of the invention consists of
- NR natural rubber
- IR synthetic Polyisoprene
- BR butadiene rubber
- SBR styrene-butadiene rubber
- HR butyl rubber
- the adhesive consists of rubber, polyolefin, hydrocarbon resin, filler and plasticizer, the above statements on the type and amount of the respective substances apply.
- the adhesive according to a preferred embodiment of the invention consists of
- IR Polyisoprene
- BR butadiene rubber
- SBR styrene-butadiene rubber
- halobutyl rubber and butyl rubber wherein the proportion of the butyl rubber based on the total amount of rubbers contained 1 to 50 wt. % is, and
- the adhesive is produced in particular by - preferably intensive - mixing of the substances, it being possible for this to take place in one or more mixing stages.
- the mixing devices known to the person skilled in the art such as internal mixers and / or extruders, can be used.
- the mixing time and mixing temperature can also be adjusted depending on the composition and viscosity of the adhesive.
- the adhesive can also be produced in an extruder, preferably a twin-screw extruder.
- the adhesive is mixed for - preferably temporarily - reducing the viscosity with the aid of solvents.
- the adhesive may be applied by any means known to those skilled in the art
- Tire inner surface in particular the tread opposite surface are applied.
- It is preferably applied by spraying or with a high-pressure pump.
- the adhesive is preferably applied with a layer thickness (in the radial direction) of 0.05 to 10 mm, whereby variations in the production in the axial direction may result.
- the adhesive can be applied over the entire surface or only in certain areas.
- FIG. 1 is a cross section through a passenger car radial tire is shown, which has a profiled tread 1, side walls 2, bead areas 3, bead cores 4 and a multi-layer belt assembly 5 and a carcass ply 6. On its inner surface, the tire with an inner layer 7 of an airtight
- the adhesive 8 consists according to a first example of the following substances: 27.3 wt .-% butyl rubber,
- the adhesive 8 according to another example contains the following substances: 48% by weight of at least one rubber selected from the group consisting of natural rubber (NR), synthetic polyisoprene (IR), butadiene rubber (BR), styrene-butadiene rubber Rubber (SBR) and halobutyl rubber, 35.1% by weight of polybutene having a Mn of 1300 g / mol,
- NR natural rubber
- IR synthetic polyisoprene
- BR butadiene rubber
- SBR styrene-butadiene rubber Rubber
- halobutyl rubber 35.1% by weight of polybutene having a Mn of 1300 g / mol
- This adhesive has, for example, a complex viscosity at 120 ° C (0.02 Hz, frequency sweep, plate-plate rheometer) of 2700 Pas (pascal times second) and is therefore particularly in terms of processability, flow behavior,
- the adhesive 8 adheres a sound-absorbing foam ring as
- Sound absorber 9 which is pressed immediately after the application of the adhesive 8, as described below.
- the sound-absorbing foam ring is tuned to the tire cavity frequency with respect to its sound-absorbing properties.
- the noise absorber 9 in the form of a foam ring, for example, here has an approximately elongated
- the foam of the foam ring is an open-cell foam, as this is best suited to absorb sound.
- the foam includes, for example, polyurethane.
- the adhesive is introduced, for example by spraying, in such a way that it covers at least the inner surface opposite the tread 1 or only parts thereof.
- the tire can be set in rotation.
- the adhesive is further incorporated in an amount such that the thickness of the adhesive is between 0.05 mm and 10 mm.
- the adhesive should be relatively fluid in order to achieve optimum distribution of the adhesive over the surface and also to be sticky.
- the prefabricated foam ring is inserted into the interior of the tire and pressed. After the introduction of the foam ring adheres to the elastically deformable, but largely stationary remaining adhesive. 8
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017207596.1A DE102017207596A1 (de) | 2017-05-05 | 2017-05-05 | Fahrzeugluftreifen mit Geräuschabsorber und Klebemittelzusammensetzung zur Befestigung wenigstens eines Geräuschabsorbers auf einer Fläche eines Fahrzeugluftreifens |
DE102018205420.7A DE102018205420A1 (de) | 2018-04-11 | 2018-04-11 | Fahrzeugluftreifen mit Geräuschabsorber und Klebemittelzusammensetzung zur Befestigung wenigstens eines Geräuschabsorbers auf einer Fläche eines Fahrzeugluftreifens |
PCT/EP2018/059698 WO2018202413A1 (de) | 2017-05-05 | 2018-04-17 | Fahrzeugluftreifen mit geräuschabsorber und klebemittelzusammensetzung zur befestigung wenigstens eines geräuschabsorbers auf einer fläche eines fahrzeugluftreifens |
Publications (1)
Publication Number | Publication Date |
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EP3619059A1 true EP3619059A1 (de) | 2020-03-11 |
Family
ID=62044692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18719499.8A Pending EP3619059A1 (de) | 2017-05-05 | 2018-04-17 | Fahrzeugluftreifen mit geräuschabsorber und klebemittelzusammensetzung zur befestigung wenigstens eines geräuschabsorbers auf einer fläche eines fahrzeugluftreifens |
Country Status (4)
Country | Link |
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US (1) | US20210198530A1 (de) |
EP (1) | EP3619059A1 (de) |
CN (1) | CN110621517A (de) |
WO (1) | WO2018202413A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102018205419A1 (de) * | 2018-04-11 | 2019-10-17 | Continental Reifen Deutschland Gmbh | Fahrzeugluftreifen mit Geräuschabsorber und Klebemittelzusammensetzung zur Befestigung wenigstens eines Geräuschabsorbers auf einer Fläche eines Fahrzeugluftreifens |
DE102020201584A1 (de) * | 2020-02-10 | 2021-08-12 | Continental Reifen Deutschland Gmbh | Reifendichtmittel, Fahrzeugluftreifen aufweisend das Dichtmittel und Verfahren zur Detektion eines Fahrzeugluftreifens mit Dichtmittellage sowie zum Recycling eines Fahrzeugluftreifens mit Dichtmittel |
DE102020201582A1 (de) * | 2020-02-10 | 2021-08-12 | Continental Reifen Deutschland Gmbh | Fahrzeugluftreifen mit Geräuschabsorber und Verfahren zur Detektion eines Fahrzeugluftreifens mit Geräuschabsorber sowie zum Recycling eines Fahrzeugluftreifens mit Geräuschabsorber |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3850858A (en) * | 1973-09-28 | 1974-11-26 | Eastman Kodak Co | Hot melt pressure sensitive adhesives |
CA1262787A (en) * | 1984-05-02 | 1989-11-07 | Robert L. Dobson | Pneumatic tire having puncture sealing feature |
CA2043081A1 (en) * | 1990-06-14 | 1991-12-15 | Thomas F. Bush | Bonded plastic-rubber extruded composite |
JP4575874B2 (ja) * | 2005-11-18 | 2010-11-04 | 横浜ゴム株式会社 | タイヤ用軟質ポリウレタンフォーム、騒音低減装置およびタイヤ |
DE102007028932A1 (de) | 2007-06-22 | 2008-12-24 | Continental Aktiengesellschaft | Fahrzeugluftreifen |
CN102277104B (zh) * | 2011-06-17 | 2013-04-17 | 中国铁道科学研究院金属及化学研究所 | 橡胶型压敏胶粘剂及其制备方法与应用 |
CN104105767B (zh) * | 2011-12-07 | 2016-06-22 | 建筑材料投资公司 | 热塑性单层保护覆盖物 |
EP2794795B1 (de) * | 2011-12-22 | 2018-05-30 | 3M Innovative Properties Company | Druckempfindliche klebstoffe auf basis von olefin-blockcopolymeren |
DE102014206009A1 (de) | 2014-03-31 | 2015-10-01 | Continental Reifen Deutschland Gmbh | Fahrzeugluftreifen |
KR101535029B1 (ko) | 2014-07-04 | 2015-07-07 | 현대자동차주식회사 | 저소음 타이어 |
JP6725373B2 (ja) * | 2015-09-16 | 2020-07-15 | 日東電工株式会社 | 粘着剤組成物、粘着剤層、粘着剤層付光学フィルム、光学部材、及び画像表示装置 |
-
2018
- 2018-04-17 CN CN201880029786.6A patent/CN110621517A/zh active Pending
- 2018-04-17 EP EP18719499.8A patent/EP3619059A1/de active Pending
- 2018-04-17 US US16/610,159 patent/US20210198530A1/en not_active Abandoned
- 2018-04-17 WO PCT/EP2018/059698 patent/WO2018202413A1/de active Application Filing
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WO2018202413A1 (de) | 2018-11-08 |
US20210198530A1 (en) | 2021-07-01 |
CN110621517A (zh) | 2019-12-27 |
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