TIRE INCLUDING SEALANT LAYER AND SOUND ABSORBING MATERIAL LAYER

A tire including a sealant layer and a sound absorbing material layer is provided, and more particularly, a tire is provided, which includes a sound absorbing material layer which is attached to an inner surface of a tire, and a sealant layer which is disposed between the inner surface of the tire and the sound absorbing material layer and includes a sealant which attaches the sound absorbing material layer to the inner surface of the tire. The sound absorbing material layer includes a non-woven fabric. 1. A tire comprising:a sound absorbing material layer which is attached to an inner surface of a tire; anda sealant layer which is disposed between the inner surface of the tire and the sound absorbing material layer and includes a sealant which attaches the sound absorbing material layer to the inner surface of the tire,wherein the sound absorbing material layer includes a non-woven fabric.2. The tire of claim 1 , wherein the non-woven fabric is made of a fiber including any one selected from a group consisting of a cellulose-based fiber claim 1 , a polyester-based fiber claim 1 , a polyamide-based fiber claim 1 , an acrylic-based fiber claim 1 , a polyvinylchloride-based fiber claim 1 , a polyvinyl alcohol-based fiber claim 1 , and a polyolefin-based fiber claim 1 , or a mixture of two or more thereof.3. The tire of claim 1 , wherein the non-woven fabric further includes a multilayer non-woven fabric layer obtained by laminating webs made of staple fibers claim 1 , and thereafter claim 1 , combining the webs through thermal fusion or a binder claim 1 , andthe multilayer non-woven fabric layer faces the sealant layer.4. The tire of claim 1 , wherein a thickness of a filament constituting the non-woven fabric is equal to or more than 1 denier and less than 10 denier.5. The tire of claim 1 , wherein the non-woven fabric claim 1 , based on a cross-sectional width of the tire claim 1 , is formed to have a width of 30 to 80% claim 1 , anda thickness of the non-woven ...

TIRE WITH REDUCED CAVITY NOISE AND METHOD FOR MANUFACTURING THE SAME

Provided is a tire with reduced cavity noise, the tire including an inner liner; an adhesive layer applied on the inner side of the inner liner; and a sound absorbing material layer attached to the adhesive layer. The tire with reduced cavity noise is stable and does not cause detachment of the sound absorbing material even in the circumstances of heat generation and deformation during driving. 1. A tire with reduced cavity noise , the tire comprising:an inner liner;an adhesive layer applied on the inner side of the inner liner; anda sound absorbing material layer attached to the adhesive layer.2. The tire with reduced cavity noise according to claim 1 , wherein the adhesive layer includes any one adhesive selected from the group consisting of a silicone-based adhesive claim 1 , a polyether-based modified silane adhesive claim 1 , an adhesive synthesized from a polyether-modified silane and urethane claim 1 , a urethane-based adhesive claim 1 , an acrylic adhesive claim 1 , an epoxy-based adhesive claim 1 , and a mixture of these.4. The tire with reduced cavity noise according to claim 1 , wherein the sound absorbing material layer includes a polyurethane foam.5. The tire with reduced cavity noise according to claim 1 , wherein the tire with reduced cavity noise does not have a release agent layer between the inner liner and the adhesive layer.6. The tire with reduced cavity noise according to claim 1 , wherein the inner liner includes a laser light-treated surface.7. The tire with reduced cavity noise according to claim 6 , whereinthe inner liner including a laser light-treated surface includes a structure-modified region formed by irradiating the surface of the inner liner with laser light, andthe structure-modified region has any one shape selected from a dot, a line, a plane, a plurality of dots, a plurality of lines, a plurality of planes, and a combination of these.8. The tire with reduced cavity noise according to claim 7 , wherein the structure-modified ...

Tire with reduced cavity noise

Disclosed is a tire with reduced cavity noise including an adhesive agent layer applied to an inside an inner liner, and a sound absorber layer attached to the adhesive agent layer, wherein the adhesive agent layer includes polyether containing an alkoxysilane substituent group in a main chain, rather than, at an end. The tire with reduced cavity noise is stable without causing separation of a sound absorber even heating and deformation during driving.

TIRE WITH REDUCED CAVITY NOISE

Disclosed is a tire with reduced cavity noise including an adhesive agent layer applied to an inside of an inner liner and a sound absorber layer attached to the adhesive agent layer, wherein the adhesive agent layer includes polyether containing alkoxysilane at both ends thereof and a benzotriazole-based UV absorber. The tire with reduced cavity noise is stable without causing separation of a sound absorber even upon heating and deformation during driving. 1. A tire with reduced cavity noise comprising:an adhesive agent layer applied to an inside of an inner liner; anda sound absorber layer attached to the adhesive agent layer,wherein the adhesive agent layer comprises polyether containing alkoxysilane at both ends thereof and a benzotriazole-based UV absorber.2. The tire according to claim 1 , wherein the benzotriazole-based UV absorber is any one selected from the group consisting of 2-(2′-hydroxy-5′-t-octylphenyl)benzotriazole claim 1 , 2-(2′-hydroxy-5′-methylphenyl)benzotriazole claim 1 , 2-(2′-hydroxy-3′ claim 1 ,5′-di-t-butylphenyl)-5-chlorobenzotriazole claim 1 , 2-(2′-hydroxy-3′-t-butyl-5′-methylphenyl)-5-chlorobenzotriazole claim 1 , 2-(2′-hydroxy-3′ claim 1 ,5′-di-t-amylphenyl)-5-chlorobenzotriazole claim 1 , 2-(2′-hydroxy-3′ claim 1 ,5′-t-butylphenyl)benzotriazole claim 1 , 2-(2-hydroxy-4-octyloxyphenyl)-2H-benzotriazole claim 1 , 2-(2-hydroxy-5-methylphenyl)-2H-benzotriazole claim 1 , 5-chloro-2-(3 claim 1 ,5-di-t-butyl-2-hydroxyphenyl)-2H-benzotriazole claim 1 , 2-(3-t-butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole claim 1 , 2-(3 claim 1 ,5-di-t-pentyl-2-hydroxyphenyl)-2H-benzotriazole claim 1 , 2-(3 claim 1 ,5-di-t-butyl-2-hydroxyphenyl)-2H-benzotriazole claim 1 , 2-(2-hydroxy-5-t-octylphenyl)-2H-benzotriazole claim 1 , 2-[2′-hydroxy-3′-(3″ claim 1 ,4″ claim 1 ,5″ claim 1 ,6″-tetrahydrophthalimide-methyl)-5′-methylphenyl]benzotriazole claim 1 , 2-(2′-hydroxy-3′ claim 1 ,5′-di-t-amylphenyl)benzotriazole claim 1 , 2-(2-hydroxy-3-dodecyl-5- ...

PNEUMATIC TIRE WITH REDUCED TIRE NOISE

Provided is a pneumatic tire with reduced cavity noise including a porous sound-absorbing material adhered by an adhesive agent layer to an inside surface of an inner liner disposed in a tread layer in the tire. The sound-absorbing material is continuously extended in a circumferential direction in the tire. The sound-absorbing material has an open cell on a surface thereof, a volume of the sound-absorbing material is 14% to 26% with respect to a total volume of the tire, and a maximum width of the sound-absorbing material is 35% to 60% with respect to a width of the tire tread and a surface area of the sound-absorbing material is 10% to 50% with respect to a surface area of the rim of a wheel on the surface of the inner liner to which the sound-absorbing material is adhered. 1. A pneumatic tire with reduced cavity noise comprising:a porous sound-absorbing material adhered by an adhesive agent layer to an inside surface of an inner liner disposed in a tread layer in the tire,wherein the sound-absorbing material is continuously extended in a circumferential direction in the tire and is disposed such that an adhesion starting point finally contacts an adhesion end point, or is spaced from the adhesion end point so as to face each other,the sound-absorbing material has an open cell on a surface thereof,a volume of the sound-absorbing material is 14% to 26% with respect to a total volume of the tire, wherein the total volume of the tire is defined as a volume of an area extending from a bottom surface of a tread to under a rim, anda maximum width of the sound-absorbing material is 35% to 60% with respect to a width of the tire tread and a surface area of the sound-absorbing material is 10% to 50% with respect to a surface area of the rim of a wheel on the surface of the inner liner to which the sound-absorbing material is adhered.2. The pneumatic tire with reduced cavity noise according to claim 1 , wherein a top surface of the sound-absorbing material has a height ...

Tire comprising sealant layer and acoustic absorbent layer

The present disclosure relates to a tire comprising a sealant layer and an acoustic absorbent layer, and the tire comprises an acoustic absorbent layer positioned inside the tire, a sealant layer positioned between the inner surface of the tire and the acoustic absorbent layer, and applied to the inner surface of the tire, and a film layer positioned between the acoustic absorbent layer and the sealant layer. 1. A tire comprising:an acoustic absorbent layer positioned inside the tire;a sealant layer positioned between the inner surface of the tire and the acoustic absorbent layer, and applied to the inner surface of the tire; anda film layer positioned between the acoustic absorbent layer and the sealant layer,wherein the acoustic absorbent layer comprises a first porous material with an average pore size of 1,200 to 2,400 μm.2. The tire of claim 1 , wherein the acoustic absorbent layer further comprises a second porous material stacked on the first porous material claim 1 , one face of the first porous material is adhered to the inner surface of the tire by the sealant layer claim 1 , and the second porous material is stacked on the other face of the first porous material.3. The tire of claim 2 , wherein the second porous material has an average pore size of 100 to 1 claim 2 ,200 μm.4. The tire of claim 2 , wherein the first porous material has a density of 25 to 40 kg/m claim 2 , a hardness of 10 to 20 kgf claim 2 , a tensile strength of 0.8 kgf/cmor more claim 2 , and an elongation of 70% or more claim 2 , and the second porous material has a density of 20 to 40 kg/m claim 2 , a hardness of 10 to 20 kgf claim 2 , a tensile strength of 0.8 kgf/cmor more claim 2 , and an elongation of 70% or more.5. The tire of claim 2 , wherein the acoustic absorbent layer has a thickness of 20 to 60 mm claim 2 , and the first porous material has a thickness corresponding to 30 to 90 length % of the total thickness of the acoustic absorbent layer.6. The tire of claim 1 , wherein ...

TIRE WITH REDUCED CAVITY NOISE

Disclosed is a tire with reduced cavity noise including an adhesive agent layer applied to an inside of an inner liner and a sound absorber layer attached to the adhesive agent layer, wherein the adhesive agent layer includes poly(ether-urethane) containing alkoxysilane at both ends thereof. The tire with reduced cavity noise is stable without causing separation of a sound absorber even upon heating and deformation during driving. 1. A tire with reduced cavity noise comprising:an adhesive agent layer applied to an inside of an inner liner; anda sound absorber layer attached to the adhesive agent layer,wherein the adhesive agent layer comprises poly(ether-urethane) containing alkoxysilane at both ends thereof.4. The tire according to claim 1 , wherein the alkoxysilane is any one selected from the group consisting of mono-alkoxysilane claim 1 , di-alkoxysilane and tri-alkoxysilane.5. The tire according to claim 1 , wherein the alkoxysilane is any one selected from the group consisting of methoxysilane claim 1 , ethoxysilane and propoxysilane.7. The tire according to claim 1 , wherein a sound absorber of the sound absorber layer comprises a polyurethane foam. This patent application claims the benefit of priority under 35 U.S.C. 119 of Korean Patent Application No. 10-2017-0041701, filed on Mar. 31, 2017, the contents of which are hereby incorporated by reference for all purposes as if fully set forth herein.The present disclosure relates to a tire with reduced cavity noise that includes an adhesive agent composition with improved elasticity and adhesive strength so that it prevents separation of a sound absorber even upon heating and deformation during driving and is thus stable.With strengthened government regulations on vehicle noise and increasing demand for electric vehicles, the need for reducing noise from tires is gradually increasing. However, with accordance with recent trends towards development of tires, UHP (ultra high performance) tires having a ...

Tire including sealant layer and sound absorbing material layer

A tire including a sealant layer and a sound absorbing material layer is provided, and more particularly, a tire is provided, which includes a sound absorbing material layer which is attached to an inner surface of a tire, and a sealant layer which is disposed between the inner surface of the tire and the sound absorbing material layer and includes a sealant which attaches the sound absorbing material layer to the inner surface of the tire. The sound absorbing material layer includes a non-woven fabric.

Tire with reduced cavity noise

Disclosed is a tire with reduced cavity noise including an adhesive agent layer applied to an inside of an inner liner and a sound absorber layer attached to the adhesive agent layer, wherein the adhesive agent layer includes poly(ether-urethane) containing alkoxysilane at both ends thereof. The tire with reduced cavity noise is stable without causing separation of a sound absorber even upon heating and deformation during driving.

Tire including sealant layer and sound absorbing material layer