CN103172914A - Rubber composition for tyre belt layer and tyre prepared from the composition - Google Patents
Rubber composition for tyre belt layer and tyre prepared from the composition Download PDFInfo
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- CN103172914A CN103172914A CN2012105763772A CN201210576377A CN103172914A CN 103172914 A CN103172914 A CN 103172914A CN 2012105763772 A CN2012105763772 A CN 2012105763772A CN 201210576377 A CN201210576377 A CN 201210576377A CN 103172914 A CN103172914 A CN 103172914A
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- 0 S=C(*C(N1CCCC1)=S)N1CCCC1 Chemical compound S=C(*C(N1CCCC1)=S)N1CCCC1 0.000 description 5
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/046—Reinforcing macromolecular compounds with loose or coherent fibrous material with synthetic macromolecular fibrous material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
- C08K5/42—Sulfonic acids; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C2001/0066—Compositions of the belt layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The invention relates to rubber composition for a tyre belt layer and tyres prepared from the composition. The composition includes the components as following: 100 weight parts of natural rubber; and 0.1 to 10 weight parts of aromatic polyamide short fibers processed by the compound shown in the chemical formula 1 or hydrate and polysulfide of the compound. (In the chemical formula 1, Me indicats an alkali metal, n is an integer from 1 to 10, and m is an integer from 1 to 6.) According to the rubber composition for a tyre belt layer, indurence is guaranteed, simultaneously, over-heating of the belt layer in driving is inhibited, the service of tyres is increased, the rolling resistance is increased, and thereby stable high-speed and long-term driving is guaranteed.
Description
Technical field
The present invention relates to tire belt with rubber combination and the tire that utilizes said composition to make, specifically, relate to and suppress to travel the overheated of middle belt when keeping weather resistance, increase tyre life and also improve rolling resistance, thus can carry out more stable high speed and the tire belt that travels for a long time with rubber combination and the tire that utilizes said composition to make.
Background technology
The belt of tire exists under steam because of the problem more overheated than generation than preliminary phase of motion up and down.The band bundle may occur because belt is overheated and break away from truck or the bus tire of tire, overload load in the contest of particularly running at high speed under steam.
Tire in the past is in order to suppress the overheated of above-mentioned belt, and the solution of use is the content that reduces the loading level of carbon black or increase the reinforcement resin.But when reducing as described above the loading level of carbon black or increasing the reinforcement resin content, it is large that the rangeability of tire physical property becomes, and particularly runs at high speed or overload when travelling, owing to producing at a high speed the overheated difficulty of travelling of bringing.
The prior art document
Patent documentation 1: No. 2006-0134483, Korea S's publication (open day on December 28th, 2006)
Patent documentation 2: Korea S's publication No. 2007-0000860 (open day: on January 3rd, 2007)
Patent documentation 3: Korea S's publication No. 2007-0095546 (open day: on October 1st, 2007)
Summary of the invention
The object of the present invention is to provide a kind of when keeping weather resistance, the middle tire belt section of suppressing to travel overheated, thus increase tyre life and improve rolling resistance, can more stablize and reach at a high speed the tire belt rubber combination that travels for a long time.
Another object of the present invention is to provide the tire that utilizes described tire belt to make with rubber combination.
In order to achieve the above object, tire belt comprises with rubber combination according to an embodiment of the invention: natural rubber 100 weight parts; And use the compound shown in following Chemical formula 1 or its hydrate and polysulfide to carry out surface-treated aromatic polyamide staple fibre 0.01 to 10 weight part.
[Chemical formula 1]
In above-mentioned Chemical formula 1, described Me is basic metal, and described n is 1 to 10 integer, and described m is 1 to 6 integer.
Described polysulfide is freely a kind of in the group that consists of of the compound shown in following Chemical formula 2 to 6 of choosing.
[Chemical formula 2]
[chemical formula 3]
[chemical formula 4]
[chemical formula 5]
[chemical formula 6]
In above-mentioned Chemical formula 2 to 6, described R
1And R
2Select independently of one another any in the group that the aralkyl of the alkoxyl group of alkyl, carbonatoms 1 to 12 of free hydrogen, halogen, nitro, hydroxyl, carbonatoms 1 to 12 and carbonatoms 1 to 12 consists of, described m is 1 to 6 integer.
Described aromatic polyamide staple fibre can be that mean length is 1.4 to 3.0cm, mean diameter is 0.2 to 1.0mm.
With respect to described aromatic polyamide staple fibre 100 weight parts, can use compound that above-mentioned Chemical formula 1 represents or its hydrate 2.0 to 10.0 weight parts and described polysulfide 5.0 to 7.5 weight parts to carry out surface treatment to described aromatic polyamide staple fibre.
It is 30 to 300m that described tire belt can also comprise the nitrogen adsorption specific surface area with rubber combination
2/ g, DBP(n-dibutyl phthalate) oil number is 60 to 300cc/100g carbon black 30 to 80 weight parts.
Tire utilizes above-mentioned tire belt to make with rubber combination according to another embodiment of the present invention.
Below, further describe the present invention.
Tire belt contains natural rubber 100 weight parts, reaches the compound or its hydrate and polysulfide surface-treated aromatic polyamide staple fibre 0.01 to 10 weight part that use Chemical formula 1 to represent with rubber combination according to an embodiment of the invention.
The compound that described Chemical formula 1 represents or its hydrate and polysulfide surface-treated aromatic polyamide staple fibre are showing the dispersiveness of rubber, can be in whole belt Uniform Dispersion, the physical property that can suppress thus privileged site descends and heating, can more stablize at a high speed and travel for a long time.
Described natural rubber can be common natural rubber or sex change natural rubber.
Described common natural rubber is not subjected to the restriction in country of origin etc. so long as known natural rubber all can use.Although described natural rubber comprises cis-Isosorbide-5-Nitrae-polyisoprene (cis-1,4-polyisoprene) as main body, characteristic as requested can comprise anti-form-1,4-polyisoprene (trans-1,4-polyisoprene).Therefore, in described natural rubber except with cis-1, the 4-polyisoprene is outside the natural rubber that comprises of main body, can also comprise produce Sapotaceae rubber such as South America a kind of balata etc. with anti-form-1, the 4-polyisoprene is the natural rubber that main body comprises.
Described sex change natural rubber refers to that described common natural rubber is through sex change or refining.For example, the example of described sex change natural rubber has epoxy natural rubber (ENR), DPNR (DPNR), HNR hydrogenated natural rubber etc.
Described surface-treated aromatic polyamide staple fibre can be that mean length is 1.4 to 3.0cm, mean diameter is 0.2 to 1.0mm; Preferably, mean length is 2.0 to 3.0cm, mean diameter is 0.6 to 0.8mm's.During the not enough 1.4cm of the mean length of described surface-treated aromatic polyamide staple fibre, have the dispersion problem on being mixed; If when surpassing 3.0cm, can on the manufacturing staple fibre, problem be arranged.In addition, during the not enough 0.2mm of the mean diameter of described surface-treated aromatic polyamide staple fibre, have the dispersion problem on being mixed; When surpassing 1.0mm, form in the rear rubber that is mixed directed (same direction arrangement), compared originally and can induce faster chap (slight crack).
Described surface-treated aromatic polyamide staple fibre contains 0.01 to 10 weight part with respect to described crude rubber 100 weight parts; Preferably, contain 0.05 to 5.5 weight part.During described surface-treated aromatic polyamide short fibre content less than 0.01 weight part, there is no too large variation; When surpassing 10 weight part, hardness rises problem excessively occurs when extruding.
On the one hand, described surface-treated aromatic polyamide staple fibre with the masterbatch Hybrid in rubber combination, more favourable for the dispersed aspect of the above-mentioned surface-treated aromatic polyamide of further raising staple fibre.When described surface-treated aromatic polyamide staple fibre was put in rubber combination with the masterbatch form, described masterbatch contained above-mentioned surface-treated aromatic polyamide staple fibre 0.5 to 10 % by weight with respect to described masterbatch total amount; Described masterbatch contains 1 to 50 weight part with respect to described natural rubber 100 weight parts.
Described masterbatch can be after described surface-treated aromatic polyamide staple fibre and crude rubber and weighting agent be mixed drying and masterbatch.Mix when described masterbatch is made and emit preferred 150 to 165 ℃ of temperature, when 150 ℃ of temperature less thaies are emitted in described mixing, can't well realize disperseing and can't expect required heating rejection; When surpassing 165 ℃, because the combination between described crude rubber and described surface-treated aromatic polyamide staple fibre causes heating more serious.
Described aromatic polyamide staple fibre is to use the compound that represented by following Chemical formula 1 or its hydrate and polysulfide to carry out surface-treated.The compound that use is represented by described Chemical formula 1 or its hydrate and polysulfide carry out surface-treated aromatic polyamide staple fibre when not reducing weather resistance, easily dispersed in rubber combination and the physical property that can suppress privileged site reduces and heating.
Described aromatic polyamide staple fibre can mix by the compound that will be represented by above-mentioned Chemical formula 1 or its hydrate and described polysulfide makes surface processing solution, the surface processing solution of described manufacturing is coated on described aromatic polyamide staple fibre, or described aromatic polyamide staple fibre is immersed in described surface processing solution and makes.In addition, described surface-treated aromatic polyamide staple fibre can block it and make by after aromatic polyamide fibre is carried out surface treatment, or carries out surface treatment after described aromatic polyamide fibre is blocked and make.
[Chemical formula 1]
In above-mentioned Chemical formula 1, described Me is basic metal, for example can is sodium or potassium, is preferably sodium.
Described n is 1 to 10 integer, and described m is 1 to 6 integer.
The compound that described Chemical formula 1 represents can use the form of hydrate or dihydrate.
Described polysulfide can be freely a kind of in the group that forms of the compound of following Chemical formula 2 to 6 expression of choosing.
[Chemical formula 2]
[chemical formula 3]
[chemical formula 4]
[chemical formula 5]
[chemical formula 6]
In above-mentioned Chemical formula 2 to 6, described R
1And R
2Can be a kind of in the group that forms of the aralkyl of the alkoxyl group of the alkyl that selects independently of one another free hydrogen, halogen, nitro, hydroxyl, carbonatoms 1 to 12, carbonatoms 1 to 12 and carbonatoms 1 to 12, be preferably hydrogen or alkyl.
Described m can be 1 to 6 integer, is preferably 1 to 4 integer.
Described surface-treated aromatic polyamide staple fibre is with respect to described aromatic polyamide staple fibre 100 weight parts, compound or its hydrate 2.0 to 10.0 weight parts that use is represented by above-mentioned Chemical formula 1, preferred 5.0 to 8.0 weight parts and described polysulfide 5.0 to 7.5 weight parts, preferred 5.5 to 7.0 weight parts carry out surface treatment.
The compound that described Chemical formula 1 represents is used for surface-treated content, and with respect to described aromatic polyamide staple fibre 100 weight parts, during less than 2.0 weight part, not special variation, induced the problem that adds sulphur when surpassing 10.0 weight part.In addition, described polysulfide is used for surface-treated content, with respect to described aromatic polyamide staple fibre 100 weight parts, during less than 5.0 weight part, adds the problem that sulphur speed postpones, and when surpassing 7.5 weight part, the problem of sulphur occurs to add.
Described tire belt can further comprise carbon black as weighting agent with rubber combination.
Described carbon black can be nitrogen adsorption specific surface area (nitrogen surface area per gram, N
2SA) be 30 to 300m
2/ g, DBP(n-dibutyl phthalate) oil number is 60 to 300cc/100g, but the present invention is not limited to this.
The nitrogen adsorption specific surface area of described carbon black surpasses 300m
2/ g can be unfavorable for the tire belt processibility of rubber combination; Not enough 30m
2/ g is unfavorable for the reinforcing property that the weighting agent carbon black causes.In addition, the DBP oil number of described carbon black surpasses 300cc/100g, and tire belt can descend with the processing characteristics of rubber combination; Not enough 60cc/100g can be unfavorable for the reinforcing property that the weighting agent carbon black causes.
Described carbon black comprises 1 to 30 weight part with respect to described crude rubber 100 weight parts; Preferred 20 to 25 weight parts.Described carbon black contain quantity not sufficient 1 weight part the time, reinforcing property that the weighting agent carbon black causes reduces; When surpassing 30 weight part, can be unfavorable for the processibility of rubber combination.
Described tire belt is fitted can also optionally comprise the various additives such as vulcanizing agent, vulcanization accelerator, vulcanization accelerator additive, other weighting agent, coupling agent, protective agent, tenderizer or tackiness agent with rubber combination.Described various additive is so long as this area is normally used all can use, and their content can be fitted with the proportioning of using in rubber combination according to common tire belt, is not particularly limited.
Described vulcanizing agent preferably uses sulphur class vulcanizing agent.Described sulphur class vulcanizing agent can use the inorganic sulphide agent such as powder-sulphur (S), insoluble sulfur (S), sedimentation Sulfur (S), colloid sulphur and, the organic sulfurizing agents such as tetramethyl-thiuram disulfide (TMTD), tetraethylthiuram disulfide (TETD), dithio morpholine (dithiodimorpholine).Described sulphur class vulcanizing agent can use primary sulfur maybe can produce the sulphonating agent of sulphur particularly, for example, and amine disulphide (amine disul fide), polymer sulphur etc.
Described vulcanizing agent preferably comprises 0.5 to 4.0 weight part with respect to the 100 described crude rubbers of weight part, and what can obtain to be fit to adds the sulphur effect, and fewer responsive and obtain chemical stability to heat to make crude rubber.
Described vulcanization accelerator refers to promote to add sulphur speed or adds in the early stage the sulphur stage play the promotor (accelerator) that promotes delayed action.
Described vulcanization accelerator can use and be selected from a kind of in sulfenamide, thiazoles, thiurams, Thiourea, guanidine class, dithiocarbamate(s), aldehyde amines, aldehyde ammonia class, imidazolines, xanthogenic acid salt and their combination.
Described sulfenamide vulcanization accelerator can use and be selected from N cyclohexyl 2 benzothiazole sulfenamide (CBS), N tert butyl benzothiazole 2 sulfenamide (TBBS), N, N-dicyclohexyl-2-[4-morpholinodithio sulphenamide, N oxydiethylene 2 benzothiazole sulfenamide (N-oxydiethylene-2-benzothiazole sulfonamide), N, a kind of sulphenamide compounds in N-di-isopropyl-2-[4-morpholinodithio sulphenamide and their combination.
Described thiazoles vulcanization accelerator can use sodium salt, the zinc salt of 2-mercaptobenzothiazole, the mantoquita of 2-mercaptobenzothiazole, the cyclohexyl amine salt of 2-mercaptobenzothiazole, the 2-(2 that is selected from 2-mercaptobenzothiazole (MBT), dithio-bis-benzothiazole (MBTS), 2-mercaptobenzothiazole, the 4-dinitrophenyl) mercaptobenzothiazole, 2-(2,6-diethyl 4-morpholinothio) benzothiazole 2-(2,6-diethyl-4-morpholinothio) a kind of thiazole compound in benzothiazole} and their combination.
described thiurams vulcanization accelerator can use by tetramethyl thiuram disulfide (TMTD), Thiuram disulphide, the tetra methylthiuram monosulphide, two pentamethylene thiuram disulphide (dipentamethylenethiuram disulfide), two pentamethylene thiuram monosulphides, two pentamethylene thiuram tetrasulfides, two pentamethylene thiuram hexasulfides, tetrabutyl thiuram disulphide, a kind of thiuram compound in pentamethylene thiuram tetrasulfide (pentamethylenethiuram tetrasulfide) and their combination.
Described Thiourea vulcanization accelerator can use a kind of thiourea that is selected from thiocarbamide, diethyl thiourea, dibutyl thiourea, trimethyl thiourea, di-o-tolyl-thiourea and their combination.
Described guanidine class vulcanization accelerator can use a kind of guanidine class that is selected from vulkacit D, di-o-tolylguanidine, triphenyl guanidine, adjacent toluene biguanides, vulkacit D phthalic ester (Diphenylguanidine phthalate) and their combination.
described dithiocarbamate(s) vulcanization accelerator is selected from zinc-ethylphenyl dithiocarbamate, the butyl phenyl zinc dithiocarbamate, Sodium dimethyldithiocarbamate 40min, ziram, zinc diethyldithiocarbamate, zinc dibutyl dithiocarbamate, zinc diamyldithiocarbamate, dipropyl disulfide is for carbaminate, the double salt of zinc pentamethylene dithiocarbamate (Zinc pentamethylenedithiocarbamate) and piperidines, hexadecyl sec.-propyl zinc dithiocarbamate, zinc octadecylisopropyldithiocarbamate, zinc dibenzyldithiocarbamate, Thiocarb, pentamethylene dithiocarbamic acid piperidines (Piperidine pentamet hylenedithiocarbamate), Selenium dimethyl dithiocarbamate, tellurium diethyl dithiocarbamate, a kind of dithiocarbamate(s) compound in diamyl dithiocarbamate cadmium and their combination.
Described aldehyde amines or aldehyde ammonia class vulcanization accelerator can use a kind of aldehyde amines or the aldehyde ammonia compounds that is selected from acetaldehyde-aniline reaction thing, butyl aldehyde aniline condensation product, vulkacit H (hexamethylenetetramine), acetaldehyde-ammonia react thing and their combination.
Described imidazolines vulcanization accelerator can use the imidazolines such as 2-mercaptoimidazoline, and described xanthogenic acid salt vulcanization accelerator can use the xanthogenate compounds such as dibutyl xanthogenic acid zinc.
In order to boost productivity by the promotion that adds sulphur speed and to improve the rubber physicals as far as possible, with respect to described crude rubber 100 weight parts, comprise the described vulcanization accelerator of 0.5 to 4.0 weight part.
Described vulcanization accelerator additive is to share with described vulcanization accelerator to make the more complete and Synergist S-421 95 that uses of its facilitation effect, can use to be selected from a kind of in mineral-type vulcanization accelerator additive, organic vulcanization accelerator additive and their combination.
Described mineral-type vulcanization accelerator additive can use and be selected from a kind of in zinc oxide (ZnO), zinc carbonate, magnesium oxide (MgO), plumbous oxide, potassium hydroxide and their combination.Described organic vulcanization accelerator additive can use be selected from stearic acid, Zinic stearas, palmitinic acid, linolic acid, oleic acid, lauric acid, dibutyl ammonium oleate (dibutyl ammonium oleate), they derivative and their combination in a kind of.
Particularly, can use simultaneously described zinc oxide and described stearic acid as described vulcanization accelerator additive, this moment, described zinc oxide was dissolved in described stearic acid, formed effective mixture with described vulcanization accelerator, generate favourable sulphur in vulcanization reaction, make the polyreaction of rubber become easy.
When using simultaneously described zinc oxide and described stearic acid, in order to play the effect of suitable vulcanization accelerator additive, with respect to crude rubber 100 weight parts, described zinc oxide and described stearic acid use respectively 1 to 5 weight part and 0.5 to 3 weight part.Described zinc oxide and described stearic when containing the above-mentioned scope of quantity not sufficient, vulcanization rate is slow and cause productivity to reduce; When surpassing above-mentioned scope, the incipient scorch phenomenon occurs and cause physical property to reduce.
Described tire belt is fitted can further comprise weighting agent with rubber combination.Described weighting agent can be selected from a kind of in carbon black, calcium carbonate, clay (hydrated aluminium silicate), aluminium hydroxide, xylogen, silicate, talcum and their combination.
Described silicon-dioxide can be nitrogen adsorption specific surface area (nitrogen surface area per gram, N
2SA) being 100 to 180 ㎡/g, CTAB(cetyl trimethyl ammonium bromide) adsorption specific surface area is 110 to 170 ㎡/g, but the present invention is not limited to this.
Nitrogen adsorption specific surface area less than 100 ㎡ of described silicon-dioxide/g can be unfavorable for the reinforcing property that weighting agent silicon-dioxide causes; Surpass 180 ㎡/g, can be unfavorable for the processing characteristics of rubber combination.In addition, CTAB adsorption specific surface area less than 110 ㎡ of described silicon-dioxide/g can be unfavorable for the reinforcing property that weighting agent silicon-dioxide causes; Surpass 170 ㎡/g, can be unfavorable for the processing characteristics of rubber combination.
Described silicon-dioxide can be can using of damp process or drying process manufacturing, the commercially available ultrasil VN2(Degussa Ag company of can using), ultrasil VN3(Degussa Ag company), Z1165MP(Rhodia company) or Z165GR(Rhodia company) etc.
Described silicon-dioxide contains 20 to 90 weight parts with respect to crude rubber 100 weight parts; Preferred 30 to 70 weight parts; More preferably 40-60 weight part.Described silicon-dioxide contain quantity not sufficient 20 weight part the time, the intensity of rubber improves not enough, the braking ability of tire descends; When described dioxide-containing silica surpassed 90 weight part, wear hardness descended.
Described coupling agent can use and be selected from a kind of in silicon sulfide hydride compounds, hydrosulphonyl silane compound, vinyl silane compound, amino silane compounds, glycidoxy silane compound, nitro silane compound, chlorinated silane compound, methacrylic acid silane compound and their combination
described silicon sulfide hydride compounds can be to be selected from two (3-triethoxysilylpropyl) tetrasulfides (bis (3-triethoxysilylpropyl) tetrasulfide), two (2-triethoxy silica ethyl) tetrasulfide, two (4-triethoxysilicane butyl) tetrasulfide, two (3-trimethoxy silicon propyl group) tetrasulfide, two (2-trimethoxy silica ethyl) tetrasulfide, two (4-trimethoxy silicon butyl) tetrasulfide, two (3-triethoxysilylpropyl) trisulphide, two (2-triethoxy silica ethyl) trisulphide, two (4-triethoxysilicane butyl) trisulphide, two (3-trimethoxy silicon propyl group) trisulphide, two (2-trimethoxy silica ethyl) trisulphide, two (4-trimethoxy silicon butyl) trisulphide, two (3-triethoxysilylpropyl) disulphide, two (2-triethoxy silica ethyl) disulphide, two (4-triethoxysilicane butyl) disulphide, two (3-trimethoxy silicon propyl group) disulphide, two (2-trimethoxy silica ethyl) disulphide, two (4-trimethoxy silicon butyl) disulphide, 3-trimethoxy silicon propyl group-N, N-dimethylamino thiocarbonyl group tetrasulfide (3-trimethoxy silylpropyl-N, N-dimethylthiocarbamoyltetrasulfide), 3-triethoxysilylpropyl-N, N-dimethylamino thiocarbonyl group tetrasulfide, 2-triethoxy silica ethyl-N, N-dimethylamino thiocarbonyl group tetrasulfide, 2-trimethoxy silica ethyl-N, N-dimethylamino thiocarbonyl group tetrasulfide, 3-trimethoxy silicon propylbenzene benzothiazolyl tetrasulfide (3-trimethoxysilylpropylbenzothiazolyltetrasulfide), 3-triethoxysilylpropyl benzothiazole tetrasulfide, 3-trimethoxy silicon propyl methyl acid esters monosulphide, a kind of in 3-trimethoxy silicon propyl methyl acid esters monosulphide and their combination.
Described hydrosulphonyl silane compound is selected from a kind of in 3-sulfydryl propyl trimethoxy silicane, 3-sulfydryl propyl-triethoxysilicane, 2-mercaptoethyl Trimethoxy silane, 2-mercaptoethyl triethoxyl silane and their combination.Described ethene is that coupling agent can select a kind of in the group that free Ethoxysilane (ethoxysilane), vinyltrimethoxy silane (vinyltrimethoxysilane) and their combination form.described amine coupling agent can be to be selected from APTES { 3-aminopropyltriethoxysilane}, 3-TSL 8330 { 3-aminopropyltrimethoxysilane}, 3-(2-amino-ethyl) aminopropyltriethoxywerene werene { 3-(2-aminoethyl) aminopropyltriethoxysilane}, 3-(2-amino-ethyl) TSL 8330 { a kind of in the group that 3-(2-aminoethyl) aminopropyltrimethoxysilane} and their combination form.
Described glycidoxy silane compound can be to be selected from a kind of in γ-glycidoxy propyl-triethoxysilicane, γ-glycidoxypropyltrime,hoxysilane, γ-glycidoxy propyl group methyldiethoxysilane, γ-glycidoxy propyl group methyl dimethoxysilane and their combination.Described nitro silane compound can use and be selected from a kind of in 3-nitro propyl trimethoxy silicane, 3-nitro propyl-triethoxysilicane and their combination.Described chlorinated compound is that coupling agent can be selected from a kind of in 3-r-chloropropyl trimethoxyl silane, 3-chloropropyl triethoxysilane, 2-chloroethyl Trimethoxy silane, 2-chloroethyl triethoxyl silane and their combination.
Described methacrylic acid silane compound can be to be selected from a kind of in γ-methacryloxypropyl trimethoxy silane, γ-methacryloxypropyl methyl dimethoxysilane, γ-methacryloxypropyl dimethyl methyl TMOS and their combination.
Described coupling agent with respect to described crude rubber 100 weight parts, comprises 1 to 20 weight part for the dispersiveness of described silicon-dioxide.Described coupling agent contain quantity not sufficient 1 weight part the time, the dispersiveness of described silicon-dioxide improves not enough, the processibility of rubber reduces or low combustion take the performance reduction; When surpassing 20 weight part, the interaction of silicon-dioxide and rubber is too strong, although low combustion takes excellent performance, braking ability can reduce a lot.
Described tenderizer is in order to give the easily processing or reduce the hardness of vulcanized rubber and add in rubber combination of rubber plasticity-, when referring to the rubber batching or when manufacturing other oils material of using.Described tenderizer refers to that technical oil (Process oil) or other are included in the oils in rubber combination.Described tenderizer can use and be selected from a kind of in petroleum-type oil, Vegetable oil lipoprotein and their combination, but the present invention is not limited to this.
Described petroleum-type oil can use and be selected from a kind of in paraffin class oil, naphthenic oil, fragrant same clan oil and their combination.
The representative example of described paraffin class oil has P-1, P-2, P-3, P-4, P-5, the P-6 etc. of U.S. prosperous Co., Ltd., the representative example of described naphthenic oil has the N-1 of U.S. prosperous Co., Ltd., N-2, N-3, the representative example of described fragrant same clan oil has A-2, the A-3 etc. of U.S. prosperous Co., Ltd..
But,
Recently along with the lifting of people to Environmental awareness, contained polynuclear aromatics (Polycyclic Aromatic Hydrocarbons in known described fragrant same clan oil, hereinafter referred to as " PAHs ") content be that 3 % by weight are when above, the possibility of bringing out cancer is high, therefore preferably use TDAE (environment-friendly aromatic oil, treated distillate aromatic extract) oil, MES (appropriate extraction solvent compound, mild extraction solvate) oil, RAE (residual aromatic extract) oil or heavy naphthenic oil.
Particularly, as the preferred total amount of using with respect to described oil of the oil of described tenderizer use, the total content of PAHs composition is below 3 % by weight, and dynamic viscosity is that the aromatic component in (210 ℉ SUS) more than 95, tenderizer is that 15 to 25 % by weight, naphthenic composition are that 27 to 37 % by weight and paraffin class composition are the TDAE oil of 38 to 58 % by weight.
Described TDAE oil can make cold property, the combustion expense excellent performance of the tire that comprises described TDAE oil, also has simultaneously PAHs brought out also favourable characteristic of the environmental factors such as cancer possibility.
Described Vegetable oil lipoprotein can use and be selected from a kind of in Semen Ricini oil, Oleum Gossypii semen, Semen Lini oil, Canola oil, soybean oil, plam oil, Oleum Cocois, peanut oil, pine-tree oil, Stockholm tar, Yatall MA, Semen Maydis oil, Rice pollard oil, Thistle oil, sesame oil, sweet oil, sunflower seed oil, palm-nut oil, Camellia oil, jojoba oil, Queensland nut oil, Thistle oil, tung oil and their combination.
Preferably with respect to described crude rubber 100 weight parts, use the described tenderizer of 0 to 150 weight part, be conducive to the processibility of crude rubber.
Described tire belt is fitted can be by common 2 steps continuously manufacturing manufacturing with rubber combination.Namely, by at the maximum temperature of 110 to 190 ℃, preferably carrying out the heat engine tool at the high temperature of 130 to 180 ℃ processes or mixing first step, and during the cross-link bond system ending phase of mixing, typically lower than 110 ℃, for example carry out the second step of mechanical treatment at 40 to 100 ℃ of low temperature, make in suitable mixing machine and form, but the present invention is not limited to this.
Described tire belt is fitted and is not limited to tire belt section with rubber combination, can be included in the multiple rubber integrant that consists of tire.Described rubber integrant has tyre surface (tread cap and tread base), tyre sidewall, sidewall insert, tyre bead summit glue (apex), chafer fabric (chafer), steel bead wire cover or inside tires liner etc.
Tire according to another embodiment of the present invention utilizes the manufacturing of described tire tread glue composition.Utilize described tire tread glue composition to make the method for tire so long as can use for the method for existing tire manufacturing, the present invention is not giving unnecessary details this.
Described tire can be passenger car tire, contest with tire, aircraft tire, farm machinery with tire, engineering machinery with (off-the-road) tire, truck with tire or bus with tire etc.In addition, described tire can be meridian (radial) tire or oblique (bias) tire, preferred radial.
The invention effect
Tire belt of the present invention suppresses the overheated of belt in driving process when keeping weather resistance with rubber combination, thereby increases tyre life and improve rolling resistance, also travels for a long time thereby can more stablize at a high speed.
Embodiment
Below, for those skilled in the art easily implement the present invention, embodiments of the invention are elaborated.But the present invention may be embodied as various form, the embodiment that is not limited in this explanation.
[Production Example: the manufacturing of rubber combination]
Utilize the composition of following table 1 to make tire belt rubber combination according to embodiment and comparative example.The manufacturing of described rubber combination is according to the manufacture method of common rubber combination.
[table 1]
(1) natural rubber: RSS#3. comprises the TDAE oil of 25.5 weight parts with respect to rubber mass 100 weight parts.
(2) carbon black: the nitrogen adsorption specific surface area is 160m
2/ g, DBP(n-dibutyl phthalate) oil number is 210cc/100g.
(3) surface-treated aromatic polyamide staple fibre: with respect to aromatic polyamide staple fibre (mean length is that 2.6cm, mean diameter are 0.8mm) 100 weight parts, (Me is Na to use the compound that is represented by above-mentioned Chemical formula 1, m is that 1, n is 6) dihydrate 7.0 weight parts and the compound (R of above-mentioned chemical formula 6 expression
1And R
2Be hydrogen, m is 2) 6.5 weight parts carry out surface treatment.
[experimental example: the physical property measurement of the rubber combination of manufacturing]
The rubber test piece of making in above-described embodiment and comparative example has been carried out physical property measurement, and with its result shown in table 2.
-100% modulus, elongation are to measure according to the ISO37 specification.
-tan δ utilizes RDS(Rheo Dynamic Spectroscopy) measure.
[table 2]
With reference to above-mentioned table 2, compare comparative example, the initial stage modulus that comprises the embodiment of surface-treated aromatic polyamide staple fibre improves, and heating is suppressed.
Above preferred embodiment of the present invention is had been described in detail; but protection scope of the present invention does not limit thus, utilizes various distortion and the improvement form that the those skilled in the art of defined key concept of the present invention in the claims of enclosing do all to fall into protection scope of the present invention.
Claims (6)
1. a tire belt rubber combination, is characterized in that, said composition comprises:
Natural rubber 100 weight parts; And
Use has been carried out surface-treated aromatic polyamide staple fibre 0.01 to 10 weight part by the compound shown in following Chemical formula 1 or its hydrate and polysulfide;
[Chemical formula 1]
In above-mentioned Chemical formula 1, described Me is basic metal, and described n is 1 to 10 integer, and described m is 1 to 6 integer.
2. tire belt rubber combination according to claim 1, wherein, described polysulfide is freely any to the group of the formation of the compound shown in chemical formula 6 of following Chemical formula 2 of choosing,
[Chemical formula 2]
[chemical formula 3]
[chemical formula 4]
[chemical formula 5]
[chemical formula 6]
In above-mentioned Chemical formula 2 to 6, described R
1And R
2Select independently of one another any in the group that the aralkyl of the alkoxyl group of alkyl, carbonatoms 1～12 of free hydrogen, halogen, nitro, hydroxyl, carbonatoms 1～12 and carbonatoms 1～12 consists of, described m is 1 to 6 integer.
3. tire belt rubber combination according to claim 1, wherein, the mean length of described aromatic polyamide staple fibre is 1.4 to 3.0cm, mean diameter is 0.2 to 1.0mm.
4. tire belt rubber combination according to claim 1, wherein, with respect to described aromatic polyamide staple fibre 100 weight parts, use by the compound shown in above-mentioned Chemical formula 1 or its hydrate 2.0 to 10.0 weight parts and described polysulfide 5.0 to 7.5 weight parts described aromatic polyamide staple fibre is carried out surface treatment.
5. tire belt rubber combination according to claim 1, wherein, it is 30 to 300m that above-mentioned tire belt also comprises the nitrogen adsorption specific surface area with rubber combination
2/ g, DBP oil number are 60 to 300cc/100g carbon black 1 to 30 weight part.
6. utilize the tire that in claim 1 to 5, the described tire belt of any one is made with rubber combination.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0142564 | 2011-12-26 | ||
| KR1020110142564A KR101382202B1 (en) | 2011-12-26 | 2011-12-26 | Rubber composition for tire belt and tire manufactured by using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103172914A true CN103172914A (en) | 2013-06-26 |
| CN103172914B CN103172914B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210576377.2A Expired - Fee Related CN103172914B (en) | 2011-12-26 | 2012-12-26 | Rubber composition for tyre belt layer and tyre prepared from the composition |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101382202B1 (en) |
| CN (1) | CN103172914B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440333A (en) * | 2015-12-07 | 2016-03-30 | 赛轮金宇集团股份有限公司 | Cobalt salt-free tire steel wire framework material formula and preparation method thereof |
| CN108641625A (en) * | 2018-05-24 | 2018-10-12 | 佛山市南海弘明胶粘剂有限公司 | A kind of vulcanized natural rubber breast polyacrylic ester latex adhesive and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023158819A1 (en) * | 2022-02-17 | 2023-08-24 | Bridgestone Americas Tire Operations, Llc | Highly functionalized stable hydrocarbyloxysilyl polydienes and polydiene copolymers |
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|---|---|---|---|---|
| CN101120135A (en) * | 2005-02-18 | 2008-02-06 | 帝人特瓦隆有限公司 | Method for enhancing rubber properties by using Bunte salt-treated fiber |
| CN101305033A (en) * | 2005-10-10 | 2008-11-12 | 帝人芳纶有限公司 | Composition comprising sulfurized particle |
| CN101462467A (en) * | 2007-12-18 | 2009-06-24 | 固特异轮胎和橡胶公司 | Tire with component containing aramid fibers |
| CN101522778A (en) * | 2006-10-06 | 2009-09-02 | 帝人芳纶有限公司 | Particle-matrix composition coated with mixture comprising polysulfide polymer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006301553A1 (en) * | 2005-10-10 | 2007-04-19 | Teijin Aramid B.V. | Composition comprising sulfurized particle |
| KR101000811B1 (en) * | 2008-09-26 | 2010-12-13 | 한국타이어 주식회사 | Rubber composition of tire tread base |
-
2011
- 2011-12-26 KR KR1020110142564A patent/KR101382202B1/en not_active IP Right Cessation
-
2012
- 2012-12-26 CN CN201210576377.2A patent/CN103172914B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101120135A (en) * | 2005-02-18 | 2008-02-06 | 帝人特瓦隆有限公司 | Method for enhancing rubber properties by using Bunte salt-treated fiber |
| CN101305033A (en) * | 2005-10-10 | 2008-11-12 | 帝人芳纶有限公司 | Composition comprising sulfurized particle |
| CN101522778A (en) * | 2006-10-06 | 2009-09-02 | 帝人芳纶有限公司 | Particle-matrix composition coated with mixture comprising polysulfide polymer |
| CN101462467A (en) * | 2007-12-18 | 2009-06-24 | 固特异轮胎和橡胶公司 | Tire with component containing aramid fibers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440333A (en) * | 2015-12-07 | 2016-03-30 | 赛轮金宇集团股份有限公司 | Cobalt salt-free tire steel wire framework material formula and preparation method thereof |
| CN108641625A (en) * | 2018-05-24 | 2018-10-12 | 佛山市南海弘明胶粘剂有限公司 | A kind of vulcanized natural rubber breast polyacrylic ester latex adhesive and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130074485A (en) | 2013-07-04 |
| KR101382202B1 (en) | 2014-04-08 |
| CN103172914B (en) | 2015-05-20 |
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