CN101117408A - All-steel giant-scale engineering tyre base glue and all-steel giant-scale engineering tyre using the same - Google Patents
All-steel giant-scale engineering tyre base glue and all-steel giant-scale engineering tyre using the same Download PDFInfo
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- CN101117408A CN101117408A CNA2007100495485A CN200710049548A CN101117408A CN 101117408 A CN101117408 A CN 101117408A CN A2007100495485 A CNA2007100495485 A CN A2007100495485A CN 200710049548 A CN200710049548 A CN 200710049548A CN 101117408 A CN101117408 A CN 101117408A
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Abstract
The present invention relates to a bottom rubber of huge full steel engineering tyres, the present invention also relates to the producing method of the bottom rubber and the huge full steel engineering tyres using the bottom rubber, the bottom rubber comprises: a share rubber, comprising caoutchouc or caoutchouc and butadiene rubber; a mixed filling, taking 100 parts by weight of rubber component as a norm, the bottom rubber comprises 25-40 parts by weight of carbon black and 7-20 parts by weight of white carbon black of easy separation; of the 100 parts by weight of rubber components, the bottom rubber comprises following parts by weight of supplementary agent: 1-4 parts by weight of silane coupling agent; 4-10 parts by weight of activation agent; 2-5 parts by weight of anti-aging agent; 0.6-2.0 parts by weight of accelerant; 0.1-0.3 parts by weight of antiscorching agent; 1.0-3.0 parts by weight of machining agent; 1.0-3.0 parts by weight of oil extension insoluble sulfur. The bottom rubber produced adopting the formula and the producing method has the advantages of perfect fatigue resistance, low generation of heat, high elasticity and high strength and elongation properties.
Description
(1) technical field:
The present invention relates to base portion glue, relate in particular to the base portion glue of all-steel giant-scale engineering tyre, the invention still further relates to the all-steel giant-scale engineering tyre that this uses this base portion glue.
(2) background technology:
In the prior art, need add carbon black during the processing rubber tire, to improve tensile strength, tear strength and the wear hardness of rubber tyre, the physicals of Reinforced Rubber tire as the reinforcement filler.But in fact the carbon black of Jia Ruing is many more, the heat that tire itself produces is just big more, thereby quickened the aging and destruction of tire,, preferably adopted carbon black and white carbon black simultaneously as reinforced filling for high-wear resistance and the low-heat-generation that makes tire reaches balance preferably.For example, application number: the patent of invention of 200410063282.6 titles " tire tread is with rubber combination and use the pneumatic tyre of this rubber combination ", a kind of rubber combination that is used for tire tread is disclosed, with 100 parts by weight of rubber components is benchmark, and it contains the nitrogen adsorption specific surface area is 100～300m
2Silicon-dioxide 5～150 weight parts and/or the nitrogen adsorption specific surface area of/g are at least 70m
2/ g, and dibutyl phthalate pick up the oil value is at least carbon black 5～150 weight parts of 70ml/100g, deproteinized natural rubber, its weight-average molecular weight that contains 5～100wt% at rubber components is 1,400,000, nitrogen content is at most 0.1wt%; The rubber combination that this prescription is made can improve processing characteristics and fuel efficiency, but when the large usage quantity of the silica component in the rubber combination, the physical strength and the wear resisting property of rubber combination are not ideal enough, and during the large usage quantity of carbon black, its living heat is also big, thereby quicken the aging of rubber combination, shorten the work-ing life of tire.And in all-steel giant-scale engineering tyre base portion glue, wear resisting property to sizing material is less demanding, but require sizing material to have the lower heat of giving birth to, and higher physical strength to be arranged, therefore, can suitably reduce the sooty consumption, with other filler instead of part carbon black, reduce the heat of giving birth to of sizing material, to reach the desired performance of base portion glue.But do not see the open report of making all-steel giant-scale engineering tyre base portion glue with white carbon black instead of part carbon black as reinforced filling at present.
(3) summary of the invention:
The present invention will disclose a kind of all-steel giant-scale engineering tyre base portion glue with excellent resistance to fatigue, low-heat-generation, snappiness and high strength and extension property; The present invention is also with the all-steel giant-scale engineering tyre of this base portion glue of public use.
All-steel giant-scale engineering tyre base portion glue of the present invention, it comprises:
One rubber component contains natural rubber, perhaps contains natural rubber and cis-1,4-polybutadiene rubber;
One mixed fillers is a benchmark with the aforementioned rubber component of 100 weight parts, contains hard(carbon)black 25-40 weight part and polymolecularity white carbon black 7-20 weight part.
Natural rubber is the 80-100 weight part in the described rubber component, and cis-1,4-polybutadiene rubber is the 0-20 weight part, and the total content of natural rubber and cis-1,4-polybutadiene rubber is 100 weight parts.
Natural rubber is because of having very strong elasticity and good insulation performance, plasticity-, water proof trapping, tension and characteristics such as wear-resisting are widely used in the production of tire, and cis-1,4-polybutadiene rubber has characteristics such as good elasticity and ageing-resistant, abrasion performance, can in natural rubber, add an amount of cis-1,4-polybutadiene rubber, with performances such as the elasticity that improves rubber stock and ageing-resistant, abrasion performances.
In the described mixed fillers, the optimum ratio scope that contains hard(carbon)black is the 30-35 weight part, and the optimum ratio scope of polymolecularity white carbon black is the 8-15 weight part; Described hard(carbon)black can be hard or the soft carbon of particle diameter 10-100nm, as the N375 hard(carbon)black, and N330 hard(carbon)black, N550 hard(carbon)black, N660 hard(carbon)black, or their paralled system; Described polymolecularity white carbon black can be the SiO that particle diameter is 5-14nm
2H
2O.
Described all-steel giant-scale engineering tyre base portion glue based on the rubber component of 100 weight parts, further comprises following assistant agent in weight part:
Silane coupling agent 1-4 part; Activator 4-10 part; Anti-aging agent 2-5 part;
Promotor 0.6-2.0 part; Scorch retarder 0.1-0.3 part; Processing aid 1.0-3.0 part;
Oil-filled insoluble sulfur 1.0-3.0 part.
The optimum ratio of each component is in the above-mentioned assistant agent:
Silane coupling agent 1.5-3.0 part; Activator 5-8 part; Anti-aging agent 3-4 part;
Promotor 1.0-1.6 part; Scorch retarder 0.1-0.25 part; Processing aid 1.0-2.0 part;
Oil-filled insoluble sulfur 1.0-3.0 part.
Described activator can be zinc oxide, or stearic acid, or nano zine oxide, or active zinc flower, or two or more paralled system among them; Described anti-aging agent can be antioxidant A (N-phenyl-a-naphthylamine), or antioxidant 4010NA (N-sec.-propyl-N-diphenyl-para-phenylene diamine), or anti-aging agent RD (2,2,4-trimethylammonium-1,2-dihyaroquinoline), or anti-aging agent 4020[N-(1, the 3-dimethylbutyl)-and the N-diphenyl-para-phenylene diamine], or antioxidant BLE (acetone and pentanoic pyrocondensation thing), or two or more paralled system among them; Described promotor can be accelerator DZ (N, N-dicyclohexyl-2-[4-morpholinodithio sulphenamide), or altax (dibenzothiazyl disulfide), accelerator NS (N tert butyl benzothiazole 2 sulfenamide), or accelerant CZ (N cyclohexyl 2 benzothiazole sulfenamide), or N-oxy-diethlene-2-henzothiazole-sulfenamide,, or TM monex TD (tetramethyl-thiuram disulfide), or vulkacit D TDM (dithiodimorpholine), or any two or more paralled system among them; Described scorch retarder can be anti-scorching agent CTP (N-cyclohexylthiophthalimide) or antiscorching agent NA (N nitrosodiphenyl amine); Described processing aid can be leveler 40MS, dispersion agent T-78, dispersion agent JV-46F, plasticizer A etc.
Each raw material can both produce good all-steel giant-scale engineering tyre base portion glue in the said ratio scope, but can be according to practical condition, suitably adjust each proportion of raw materials scope,, satisfy user's different demands to reach the different all-steel giant-scale engineering tyre base portion glue that require.
The manufacture method of all-steel giant-scale engineering tyre base portion glue of the present invention can adopt existing various feasible manufacture method to make, and preferably, can adopt following manufacture method, and its step is as follows:
1) the blend glue of natural rubber or natural rubber and cis-1,4-polybutadiene rubber and the hard(carbon)black that accounts for hard(carbon)black gross weight 40%-70% and polymolecularity white carbon black, coupling agent, activator, anti-aging agent, processing aid are dropped into rubber internal mixer and carry out the mixing rubber unvulcanizate A that obtains; Can determine according to existing processes for mixing time, temperature, rotating speed, also can determine, in general, under 145-160 ℃ of temperature condition, be advisable with the mixing 3-5 of 35-55 rev/min rotating speed minute according to needs of production;
2) hard(carbon)black that will account for hard(carbon)black gross weight 30%-60% mixes with rubber unvulcanizate A, the mixing rubber unvulcanizate B that obtains in rubber internal mixer; Can determine according to existing processes for mixing time, temperature, rotating speed, also can determine, in general, under 145-160 ℃ of temperature condition, be advisable with the mixing 3-5 of 30-50 rev/min rotating speed minute according to needs of production;
3) oil-filled insoluble sulfur, promotor, scorch retarder are mixed with rubber unvulcanizate B, promptly make the all-steel giant-scale engineering tyre base portion glue that the present invention contains the polymolecularity white carbon black in that rubber internal mixer is mixing; Can determine according to existing processes for mixing time, temperature, rotating speed, also can determine, in general, under 105 ℃ of temperature condition, be advisable with the mixing 3-5 of 15-20 rev/min rotating speed minute according to needs of production.
MR medium reinforcing carbon black of the present invention can improve sizing material hardness, tear strength and tensile strength as strengthening agent, reduces production costs; The polymolecularity white carbon black increases tear strength and reduces the sizing material heating property; Oil-filled insoluble sulfur is as vulcanizing agent, makes the rubber molecule of the wire adult form reticulated structure that is cross-linked with each other under the effect of heat, thereby increases rubber intensity, improves its elasticity and ageing-resistant performance; Promoting agent can improve the rubber vulcanization activity, accelerates vulcanization rate, improves the sizing material degree of crosslinking; Anti-aging agent can stop nature and hot oxygen condition that the degraded of rubber is worn out, and prolongs the work-ing life of sizing material; Add an amount of promotor and then can improve the physical and mechanical properties of rubber item and the tensile modulus of sizing material, increase sizing material thermotolerance and resistance to fatigue; A small amount of scorch retarder that adds can significantly improve processing safety, helps to accelerate some course of processing of rubber item, the conservation and the energy, and can improve the storage stability of sizing material, prevent to deposit and add the incipient scorch bin cure takes place man-hour; Processing aid can help the processing of white carbon black to disperse, and improves sizing material plasticity, thereby helps containing the calendering extrusion of silica compound.
The present invention also comprises the all-steel giant-scale engineering tyre that uses this base portion glue, the sizing material at other position of engineering tire can be made by existing prescription or other prescription that can realize, just the design of base portion glue is the prescription that adopts all-steel giant-scale engineering tyre base portion glue of the present invention, and it comprises:
One rubber component contains natural rubber, perhaps contains natural rubber and cis-1,4-polybutadiene rubber;
One mixed fillers is a benchmark with the aforementioned rubber component of 100 weight parts, contains hard(carbon)black 25-40 weight part and polymolecularity white carbon black 7-20 weight part.
Natural rubber is the 80-100 weight part in the described rubber component, and cis-1,4-polybutadiene rubber is the 0-20 weight part, and the total content of natural rubber and cis-1,4-polybutadiene rubber is 100 weight parts.
Based on the rubber component of 100 weight parts, described base portion glue further comprises following assistant agent in weight part:
Silane coupling agent 1-4 part; Activator 4-10 part; Anti-aging agent 2-5 part;
Promotor 0.6-2.0 part; Scorch retarder 0.1-0.3 part; Processing aid 1.0-3.0 part;
Oil-filled insoluble sulfur 1.0-3.0 part.
The base portion glue that adopts prescription provided by the invention and manufacture method to make, have excellent resistance to fatigue, low-heat-generation, snappiness and high strength and extension property, its sizing material 300% stress at definite elongation 〉=14.0Mpa, tensile strength 〉=26.0Mpa, the living heat in Gu Te Ritchie≤20 ℃, rebound resilience 〉=50%.Be highly suitable for making the used all-steel giant-scale engineering tyre of various large and medium-sized mine mechanical engineering cars, also be applicable to simultaneously to be manufactured on middle low speed, high loading travels or the industrial vehicle of driving conditions harshness is used all-steel giant-scale engineering tyre.
(4) embodiment:
Embodiment 1
In the actual production process of all-steel giant-scale engineering tyre, other operation can be undertaken by existing or other attainable method, just adopts prescription provided by the invention and method when manufacturing engineering tire base portion glue, and its step is as follows:
1) with 120Kg natural rubber, 19.0Kg particle diameter be the silane coupling agent H669P of polymolecularity white carbon black, the 3.6Kg of 5-14nm, hard(carbon)black, 9.5kg zinc oxide, 2.5kg stearic acid, the dispersion agent T-78 of 1.2Kg, 1.8Kg anti-aging agent 4020,1.8Kg anti-aging agent RD that the 20.0Kg particle diameter is 10-100nm to drop into volume be that 270 liters, rotor speed are 20-60 rev/min rubber internal mixer, under 145-160 ℃ of temperature condition to obtain rubber unvulcanizate A in the mixing 4-5 of 45-55 rev/min rotating speed minute;
2) the 18.0Kg hard(carbon)black is mixed with rubber unvulcanizate A, in rubber internal mixer under 145-155 ℃ of temperature condition to obtain rubber unvulcanizate B in the mixing 4-5 of 40-50 rev/min rotating speed minute;
3) the oil-filled insoluble sulfur of 2.0Kg, 1.2Kg N tert butyl benzothiazole 2 sulfenamide, 0.48Kg dithiodimorpholine, 0.24Kg N-cyclohexylthiophthalimide are mixed with rubber unvulcanizate B, in rubber internal mixer, promptly made the all-steel giant-scale engineering tyre base portion glue that the present invention contains the polymolecularity white carbon black in mixing 4 minutes at 105 ℃ of rotating speeds with 15-20 rev/min.
Engineering tire base portion glue sizing material 300% stress at definite elongation of producing according to present method is more than the 13.5Mpa, and tensile strength is more than the 26.0Mpa, and it is in 19 ℃ that heat is given birth in the Gu Te Ritchie, and rebound resilience is more than 48%.
Embodiment 2
In the actual production process of all-steel giant-scale engineering tyre, other operation can be undertaken by existing or other attainable method, just adopts prescription provided by the invention and method when manufacturing engineering tire base portion glue, and its step is as follows:
1) with 108kg natural rubber, 12kg cis-1,4-polybutadiene rubber, 16.8Kg particle diameter be the silane coupling agent H669P of polymolecularity white carbon black, the 2.4Kg of 5-14nm, hard(carbon)black, 9.0Kg zinc oxide, 3.0Kg stearic acid, 1.2Kg leveler 40MS, 1.8Kg antioxidant 4010 Na, 1.8Kg anti-aging agent RD that the 28.0Kg particle diameter is 10-100nm to drop into volume be that 270 liters, rotor speed are 20-60 rev/min rubber internal mixer, under 145-160 ℃ of temperature condition to obtain rubber unvulcanizate A in the mixing 3.5-4.5 of 45-55 rev/min rotating speed minute;
2) the 20.0Kg hard(carbon)black is mixed with rubber unvulcanizate A, in rubber internal mixer under 145-155 ℃ of temperature condition to obtain rubber unvulcanizate B in the mixing 3-4 of 30-50 rev/min rotating speed minute;
3) N tert butyl benzothiazole 2 sulfenamide, the 0.25Kg N-cyclohexylthiophthalimide with the oil-filled insoluble sulfur of 2.2Kg, 0.6Kg dithiodimorpholine promotor, 1.6Kg mixes with rubber unvulcanizate B, promptly makes the all-steel giant-scale engineering tyre base portion glue that the present invention contains the polymolecularity white carbon black in mixing 3 minutes at 105 ℃ of rotating speeds with 16-20 rev/min in rubber internal mixer.
Engineering tire base portion glue sizing material 300% stress at definite elongation of producing according to present method is more than the 13.0Mpa, and tensile strength is more than the 25.0Mpa, and it is in 20 ℃ that heat is given birth in the Gu Te Ritchie, and rebound resilience is more than 50%.
Embodiment 3
In the actual production process of all-steel giant-scale engineering tyre, other operation can be undertaken by existing or other attainable method, just adopts prescription provided by the invention and method when manufacturing engineering tire base portion glue, and its step is as follows:
1) with 114kg natural rubber, 6kg cis-1,4-polybutadiene rubber, 18Kg particle diameter be the silane coupling agent Si69 of polymolecularity white carbon black, the 1.2Kg of 5-14nm, hard(carbon)black, 9.6Kg active zinc flower, 2.4Kg stearic acid, the dispersion agent JV-46F of 1.8Kg, 1.92Kg anti-aging agent 4020,1.8Kg anti-aging agent RD that the 22Kg particle diameter is 10-100nm to drop into volume be that 270 liters, rotor speed are 20-60 rev/min rubber internal mixer, under 145-155 ℃ of temperature condition to obtain rubber unvulcanizate A in the mixing 4-5 of 45-55 rev/min rotating speed minute;
2) the 22.0Kg hard(carbon)black is mixed with rubber unvulcanizate A, in rubber internal mixer under 145-155 ℃ of temperature condition to obtain rubber unvulcanizate B in the mixing 3-4 of 30-50 rev/min rotating speed minute;
3) the oil-filled insoluble sulfur of 2.4Kg, 1.0Kg N cyclohexyl 2 benzothiazole sulfenamide promotor, 0.24Kg N-cyclohexylthiophthalimide are mixed with rubber unvulcanizate B, in rubber internal mixer, promptly made the all-steel giant-scale engineering tyre base portion glue that the present invention contains the polymolecularity white carbon black at 105 ℃ of mixing 3-3.5 of the rotating speed with 15-20 rev/min minutes.
Engineering tire base portion glue sizing material 300% stress at definite elongation of producing according to present method is more than the 13.0Mpa, and tensile strength is more than the 24.0Mpa, and it is in 18 ℃ that heat is given birth in the Gu Te Ritchie, and rebound resilience is more than 47%.
Embodiment 4
In the actual production process of all-steel giant-scale engineering tyre, other operation can be undertaken by existing or other attainable method, just adopts prescription provided by the invention and method when manufacturing engineering tire base portion glue, and its step is as follows:
1) with 102kg natural rubber, 18kg cis-1,4-polybutadiene rubber, 15Kg particle diameter be polymolecularity white carbon black, 3.2Kg silane coupling agent X50-S, the 30Kg particle diameter of 5-14nm be hard(carbon)black, 9.0Kg nano zine oxide, 3.0Kg stearic acid, dispersion agent JV-46F, the 2.0Kg antioxidant 4010 Na of 1.2Kg, the 1.8Kg antioxidant BLE of 10-100nm to drop into volume be that 270 liters, rotor speed are 20-60 rev/min rubber internal mixer, under 145-155 ℃ of temperature condition to obtain rubber unvulcanizate A in the mixing 4-5 of 45-55 rev/min rotating speed minute;
2) the 18.0Kg hard(carbon)black is mixed with rubber unvulcanizate A, in rubber internal mixer under 145-155 ℃ of temperature condition to obtain rubber unvulcanizate B in the mixing 3-4 of 30-50 rev/min rotating speed minute;
3) the oil-filled insoluble sulfur of 1.5Kg, 1.2Kg dithiodimorpholine promotor, 0.7Kg N cyclohexyl 2 benzothiazole sulfenamide, 0.08Kg tetramethyl-thiuram disulfide, 0.3Kg N-cyclohexylthiophthalimide are mixed with rubber unvulcanizate B, in rubber internal mixer, promptly made the all-steel giant-scale engineering tyre base portion glue that the present invention contains the polymolecularity white carbon black in mixing 3.5 minutes at 105 ℃ of rotating speeds with 15-20 rev/min.
Engineering tire base portion glue sizing material 300% stress at definite elongation of producing according to present method is more than the 14.0Mpa, and tensile strength is more than the 27.0Mpa, and it is in 22 ℃ that heat is given birth in the Gu Te Ritchie, and rebound resilience is more than 50%.
Embodiment 5
In the actual production process of all-steel giant-scale engineering tyre, other operation can be undertaken by existing or other attainable method, just adopts prescription provided by the invention and method when manufacturing engineering tire base portion glue, and its step is as follows:
1) 120Kg natural rubber, 12Kg particle diameter be the silane coupling agent H669P of polymolecularity white carbon black, the 3.6Kg of 5-14nm, hard(carbon)black, 9.0Kg active zinc flower, 1.8Kg stearic acid, the leveler 40MS of 1.2Kg, 2.0Kg anti-aging agent 4020,2.0Kg antioxidant BLE that the 30Kg particle diameter is 10-100nm to drop into volume be that 270 liters, rotor speed are 20-60 rev/min rubber internal mixer, under 145-155 ℃ of temperature condition to obtain rubber unvulcanizate A in the mixing 4-5 of 45-55 rev/min rotating speed minute;
2) the 16.0Kg hard(carbon)black is mixed with rubber unvulcanizate A, in rubber internal mixer under 145-155 ℃ of temperature condition to obtain rubber unvulcanizate B in the mixing 3-4 of 30-50 rev/min rotating speed minute;
3) the oil-filled insoluble sulfur of 1.7Kg, 1.4Kg dithiodimorpholine, 0.6Kg N cyclohexyl 2 benzothiazole sulfenamide, 0.072Kg tetramethyl-thiuram disulfide, 0.26Kg N-cyclohexylthiophthalimide are mixed with rubber unvulcanizate B, in rubber internal mixer, promptly made the all-steel giant-scale engineering tyre base portion glue that the present invention contains the polymolecularity white carbon black in mixing 3.5 minutes at 105 ℃ of rotating speeds with 15-20 rev/min.
Engineering tire base portion glue sizing material 300% stress at definite elongation of producing according to present method is more than the 14.0Mpa, and tensile strength is more than the 27.0Mpa, and it is in 20 ℃ that heat is given birth in the Gu Te Ritchie, and rebound resilience is more than 51%.
Claims (10)
1. all-steel giant-scale engineering tyre base portion glue is characterized in that it comprises:
One rubber component contains natural rubber, perhaps contains natural rubber and cis-1,4-polybutadiene rubber;
One mixed fillers is a benchmark with the aforementioned rubber component of 100 weight parts, contains hard(carbon)black 25-40 weight part and polymolecularity white carbon black 7-20 weight part.
2. all-steel giant-scale engineering tyre base portion glue according to claim 1 is characterized in that: in the described rubber component, natural rubber is the 80-100 weight part, and cis-1,4-polybutadiene rubber is the 0-20 weight part, and the total content of natural rubber and cis-1,4-polybutadiene rubber is 100 weight parts.
3. all-steel giant-scale engineering tyre base portion glue according to claim 1 and 2 is characterized in that: in the described mixed fillers, contain hard(carbon)black 30-35 weight part and polymolecularity white carbon black 8-15 weight part.
4. all-steel giant-scale engineering tyre base portion glue according to claim 1 and 2 is characterized in that: described polymolecularity white carbon black is that particle diameter is the SiO of 5-14nm
2H
2O.
5. all-steel giant-scale engineering tyre base portion glue according to claim 1 and 2 is characterized in that: described hard(carbon)black is hard or the soft carbon of particle diameter 10-100nm, or their paralled system.
6. all-steel giant-scale engineering tyre base portion glue according to claim 1 and 2 is characterized in that: based on the rubber component of 100 weight parts, further comprise following assistant agent in weight part:
Silane coupling agent 1-4 part; Activator 4-10 part; Anti-aging agent 2-5 part;
Promotor 0.6-2.0 part; Scorch retarder 0.1-0.3 part; Processing aid 1.0-3.0 part;
Oil-filled insoluble sulfur 1.0-3.0 part.
7. all-steel giant-scale engineering tyre base portion glue according to claim 6 is characterized in that:
Silane coupling agent 1.5-3.0 part; Activator 5-8 part; Anti-aging agent 3-4 part;
Promotor 1.0-1.6 part; Scorch retarder 0.1-0.25 part; Processing aid 1.0-2.0 part;
Oil-filled insoluble sulfur 1.0-3.0 part.
8. all-steel giant-scale engineering tyre comprises base portion glue, it is characterized in that: described base portion glue comprises:
One rubber component contains natural rubber, perhaps contains natural rubber and cis-1,4-polybutadiene rubber;
One mixed fillers is a benchmark with the aforementioned rubber component of 100 weight parts, contains hard(carbon)black 25-40 weight part and polymolecularity white carbon black 7-20 weight part.
9. all-steel giant-scale engineering tyre according to claim 8 is characterized in that: natural rubber is the 80-100 weight part in the described rubber component, and cis-1,4-polybutadiene rubber is the 0-20 weight part, and the total content of natural rubber and cis-1,4-polybutadiene rubber is 100 weight parts.
10. according to Claim 8 or 9 described all-steel giant-scale engineering tyres, it is characterized in that: based on the rubber component of 100 weight parts, described base portion glue further comprises following assistant agent in weight part:
Silane coupling agent 1-4 part; Activator 4-10 part; Anti-aging agent 2-5 part;
Promotor 0.6-2.0 part; Scorch retarder 0.1-0.3 part; Processing aid 1.0-3.0 part;
Oil-filled insoluble sulfur 1.0-3.0 part.
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| CNA2007100495485A CN101117408A (en) | 2007-07-14 | 2007-07-14 | All-steel giant-scale engineering tyre base glue and all-steel giant-scale engineering tyre using the same |
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| CNA2007100495485A CN101117408A (en) | 2007-07-14 | 2007-07-14 | All-steel giant-scale engineering tyre base glue and all-steel giant-scale engineering tyre using the same |
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