CN109504092A - A kind of abrasive rubber - Google Patents
A kind of abrasive rubber Download PDFInfo
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- CN109504092A CN109504092A CN201811287112.4A CN201811287112A CN109504092A CN 109504092 A CN109504092 A CN 109504092A CN 201811287112 A CN201811287112 A CN 201811287112A CN 109504092 A CN109504092 A CN 109504092A
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- abrasive
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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Abstract
The present invention relates to a kind of rubber, and in particular to a kind of abrasive rubber belongs to field of rubber technology.Abrasive rubber of the present invention includes the component of following parts by weight: phenyl siloxane rubber: 60-80 parts, 20-40 parts of polypropylene, and 10-20 parts of devitrified glass particle, Shajiang black soil: 40-60 parts, Pr2O35-10 parts, 5-10 parts of antioxidant, 5-10 parts of lubricant.Devitrified glass particle is added in the present invention in the composition of abrasive rubber, and high mechanical strength, excellent insulating property, dielectric loss is few, and dielectric constant is stablized, and thermal expansion coefficient can be adjusted in very wide range, and resistant to chemical etching, wear-resisting, thermal stability is good, use temperature height.
Description
Invention field
The present invention relates to a kind of rubber, and in particular to a kind of abrasive rubber belongs to field of rubber technology.
Background technique
With the development of economy, the demand of rubber is increasingly increased.Rubber is the latex of the plants such as rubber tree, kok-saghyz,
There is elasticity, insulating properties, waterproof, air proof material made of after processing.Rubber according to raw material be divided into natural rubber and
Synthetic rubber, natural rubber are mainly derived from para ruber, when the epidermis of this rubber tree is cut open, will flow out milky white
The juice of color, referred to as latex, latex through cohesion, washing, form, be drying to obtain natural rubber.Rubber product synthetic rubber be by
Prepared by artificial synthesis, different types of rubber can be synthesized using different raw materials (monomer).1900~
1910 chemist C.D. Harris (Harris) determine natural rubber structure be isoprene high polymer, this is just people
Work synthetic rubber opens approach.1910 Russia's chemist SV NIKOLAY LEBEDEV (Lebedev, 1874-1934) with metallic sodium be
Initiator makes 1,3-butadiene aggregate into buna, occurs many new synthetic rubber kinds successively again later, such as along fourth
Rubber, neoprene, butadiene-styrene rubber etc..The yield of synthetic rubber has substantially exceeded natural rubber, and wherein yield is maximum is
Butadiene-styrene rubber.
As the improvement of people's living standards, more and more artificial materials incorporate people's lives, wherein just have rubber,
General rubber is more easy to wear, and higher cost.Rubber has the high elastic polymer material of reversible deformation, rich at room temperature
Elasticity can generate larger deformation under the external force of very little, remove resilient after external force.Since rubber has soft relax
Suitable and safety and environmental protection characteristic is often adopted as sole, and sole is usually generating friction, and serious wear when being contacted with ground.
Summary of the invention
The present invention in view of the above-mentioned problems existing in the prior art, proposes that a kind of intensity is high, mechanicalness is tender excellent wear-resisting
Rubber.
The purpose of the present invention is realized by following technical solution: a kind of abrasive rubber, and the abrasive rubber includes as follows
The component of parts by weight: phenyl siloxane rubber: 60-80 parts, 20-40 parts of polypropylene, 10-20 parts of devitrified glass particle, Shajiang black soil:
40-60 parts, Pr2O35-10 parts, 5-10 parts of antioxidant, 5-10 parts of lubricant.
In a kind of above-mentioned abrasive rubber, the phenyl siloxane rubber is high phenyl siloxane rubber.When strand with volume compared with
Greatly, when a fairly large number of side group, segment relaxation resistance increases, and in-fighting increases.The increase of phenyl content will increase phenyl siloxane rubber
Resistance of motion when interior molecules chain configuration converts increases the interior frictional resistance of even sub-chain motion, also increases molecular motion
When segment and filler before frictional resistance, therefore, dissipate more energy when rubber is by external force, to make material
The Internal friction of material increases, so that the rigidity of phenyl siloxane rubber molecule increases, to improve the wear-resisting property of rubber obtained.
In a kind of above-mentioned abrasive rubber, by the way that polypropylene is added, wherein polyacrylic crystal habit directly determines finally
The mechanical property of obtained rubber.And when rubber composition in polyacrylic distribution density height to a certain extent when, relative to dispersion
How much degree, polyacrylic content become determinant, and content is higher, then toughening effect is better, therefore the present invention passes through addition
The polypropylene of mentioned component carries out toughening improvement result.
In a kind of above-mentioned abrasive rubber, the diameter of devitrified glass particle is 10-20nm in the abrasive rubber.The present invention
Devitrified glass particle is added in the composition of abrasive rubber, wherein devitrified glass refers to is added certain nucleation substances in glass,
By the means such as heat treatment, light irradiation, or chemical treatment, a large amount of tiny crystals are equably precipitated in glass, are formed fine and close
Crystallite phase and glass phase multiphase complex.By controlling number of species, the size etc. of crystallite, can obtain transparent micro-
Devitrified glass, surface peening devitrified glass, different color or the machinable glass ceramics that crystal glass, the coefficient of expansion are zero.It is mechanical
Intensity is high, and excellent insulating property, dielectric loss is few, and dielectric constant is stablized, and thermal expansion coefficient can be adjusted in very wide range, chemically-resistant
Corrosion, wear-resisting, thermal stability is good, uses temperature height.
In a kind of above-mentioned abrasive rubber, the partial size of the Shajiang black soil is 20-30 μm.The Shajiang black soil soil body is deep, cuts open
There are arable layer, sub- topsoil, residual mollic, redox transition zone and sand ginger soil layer in face from top to bottom.It is formed in Shajiang black soil
It is secondly hydromica based on montmorillonite, there are also a small amount of kaolinite, Shajiang black soil is added in abrasive rubber by the present invention, energy
The moisture contained in Shajiang black soil and composition is enough made full use of to improve the wear-resisting property of rubber, still, Shajiang black soil has bright
Aobvious non-water stability particle shape structure, therefore when adding it in rubber, which support force deficiencies, its ingredient is caused to be difficult to
It plays one's part to the full.Therefore, also Pr is added on the basis of Shajiang black soil in the present invention2O3, Pr2O3Addition, sand ginger can not only be made
Occur the second phase of richness Pr particle, and Pr in black earth2O3Content steps up the connection for increasing parent glass network structure
Property, to increase the displacement performance of structural support point in Shajiang black soil, play wear-resisting effect of the Shajiang black soil in abrasive rubber.
In a kind of above-mentioned abrasive rubber, the antioxidant be one of pomegranate seed antioxidant, grape pip antioxidant or
Two kinds.The polyphenols contained in pomegranate seed antioxidant and grape pip antioxidant has stronger antioxidant activity, can be clear
Chu's living radical, and free oxidation chain reaction can be destroyed by providing proton to polypropylene, so that polypropylene is tended to be steady
It is fixed.The present invention uses the oxidant of mentioned component and content, and polypropylene is enabled to be broken under polyphenol effect, formation
Between free radical because crosslinked action formed reticular structure, in conjunction with phenyl siloxane rubber after, the tensile strength of the rubber made is obvious
Enhancing.In a certain range, oxidant has best dispersibility to the content of oxidant in polypropylene, but content continues to increase
Add, it may appear that agglomeration causes stress to be concentrated, and the rubber prevented can be produced from generating toughening effect in stretched operation
Raw microcrack and plastic deformation, and then become the index of stress cracking, decline the elongation at break of rubber.
It is another object of the present invention to provide a kind of preparation method of above-mentioned abrasive rubber, the preparation method is specific
Include the following steps:
Ingredient: raw material is weighed by the ingredient and its parts by weight of above-mentioned abrasive rubber；
Phenyl siloxane rubber: being first put into after being kneaded in two-roll mill, place into other raw materials and be uniformly kneaded by one step cure,
It is then placed in mold, obtains abrasive rubber semi-finished product after carrying out one step cure with vulcanizing press pressurization；
Post vulcanization: abrasive rubber finished product is obtained after abrasive rubber semi-finished product are carried out post vulcanization.
In a kind of above-mentioned preparation method of abrasive rubber, the phenyl siloxane rubber needs to carry out presulfurization processing, described
Presulfurization processing includes the following steps: that 2,5- dimethyl -2,5 for phenyl siloxane rubber is added on warm-up mill at 160-180 DEG C
Dual-tert-butyl butylperoxyhexane carries out dynamic presulfurization processing.The present invention carries out presulfurization processing, phenyl silicon to phenyl siloxane rubber
Rubber thermally decomposes to generate free radical first, which can capture the hydrogen atom on fluorubber strand and form polymer freedom
Base, free polymer readical is biradical each other to be terminated to be crosslinked, energy needed for the atom scission of link being detached from from polymer molecular chain
Size determines the effect of free radical curing.
Preferably, the quality of 2,5- dimethyl -2,5 dual-tert-butyl butylperoxyhexane is phenyl siloxane rubber quality
0.6-1.2%.There is-CH in fluorubber molecule2—CF2- chain link, 2,5- dimethyl -2,5 dual-tert-butyl butylperoxyhexanes
There is enough alkalinity that hydrogen fluoride can be made to remove from fluorubber strand and generates easy polarized double bond, this Fluorine containing olefine knot
Structure is easy to and the butylperoxyhexane addition of 2,5- dimethyl -2,5 dual-tert-butyl, generation cross-bond.
In a kind of above-mentioned preparation method of abrasive rubber, the one step cure temperature is 150-160 DEG C, and sulfide stress is
10-12MPa, vulcanization time 10-15min.The time of vulcanization, pressure, temperature control within the above range, are worked as sulphur by the present invention
Change one timing of time and sulfide stress, with the raising of curing temperature, the mechanical property of rubber presents first increases and then decreases
Trend, relationship may be had with crosslink density by analyzing its reason, and when temperature is at 150-160 DEG C, the mechanical property of rubber is best, because
The relatively uniform densification of cross-linked network formed for blend compounds at such a temperature.And with the extension of vulcanization time, the mechanics of rubber
Performance first increases and then decreases, this is because vulcanization time is too short, cross-linked structure fails thoroughly to be formed, and vulcanization time mistake
It is long, then cross-linked structure can be destroyed, therefore affect mechanical property.Since in initial vulcanization step, the generation of cross-linked structure
Rate is greater than its degradation rate, so its mechanical property will increase, with the increase of vulcanization time, the decomposition of cross-linked structure
Rate is greater than its generating rate, and mechanical property can reduce.Stomata inside rubber can fade away with the increase of pressure,
Internal consistency can gradually increase, and mechanical property also increases with it.When sulfide stress reaches certain value, stomata can be complete
It totally disappeared mistake, air-tightness at this time is best, and surface shows smooth zero defect.When sulfide stress is excessive, the structure of product
It can be destroyed, mark of break, mechanical properties decrease can be generated.
In a kind of above-mentioned preparation method of abrasive rubber, the temperature of the post vulcanization is 600-700 DEG C, vulcanization time
For 6-7h.It is that unreacted crosslinked group continues to complete reaction during allowing one step cure, on the other hand, is removed by post vulcanization
Residue after the completion of the crosslinking of desulfuration agent, keeps the heat resistance of vulcanized rubber more preferable.
Compared with prior art, the present invention has the advantage that
1, devitrified glass particle, high mechanical strength is added in the present invention in the composition of abrasive rubber, and excellent insulating property is situated between
Electrical loss is few, and dielectric constant is stablized, and thermal expansion coefficient can be adjusted in very wide range, and resistant to chemical etching, wear-resisting, thermal stability is good,
Use temperature height；
2, Shajiang black soil is added in abrasive rubber by the present invention, can make full use of the moisture that contains in Shajiang black soil and
Composition improves the wear-resisting property of rubber, and Pr is added on the basis of Shajiang black soil2O3, can not only make to occur in Shajiang black soil rich
Second phase of Pr particle, and Pr2O3Content steps up the connectivity for increasing parent glass network structure, to increase sand
The displacement performance of structural support point in ginger black earth plays wear-resisting effect of the Shajiang black soil in abrasive rubber.
Specific embodiment
It is a specific embodiment of the invention below, technical scheme of the present invention will be further described, but the present invention
It is not limited to these examples.
Embodiment 1
Ingredient: the ingredient and its parts by weight for weighing abrasive rubber weigh raw material；The abrasive rubber includes following weight
The component of number: phenyl siloxane rubber: 60 parts, 20 parts of polypropylene, 10 parts of devitrified glass particle, Shajiang black soil: 40 parts, Pr2O35 parts,
5 parts of antioxidant, 5 parts of lubricant, the phenyl siloxane rubber is high phenyl siloxane rubber, the diameter of devitrified glass particle in abrasive rubber
For 10nm, the partial size of Shajiang black soil is 20 μm, and antioxidant is pomegranate seed antioxidant；
Phenyl siloxane rubber: being first put into after being kneaded in two-roll mill, place into other raw materials and be uniformly kneaded by one step cure,
It is then placed in mold, obtains abrasive rubber semi-finished product after carrying out one step cure with vulcanizing press pressurization；Wherein, the phenyl silicon
Rubber needs to carry out presulfurization processing, and the presulfurization processing includes the following steps: phenyl siloxane rubber at 160 DEG C in heat refining
- 2,5 dual-tert-butyl butylperoxyhexane of 2,5- dimethyl is added on machine and carries out dynamic presulfurization processing；The 2,5- dimethyl -2,5
The quality of dual-tert-butyl butylperoxyhexane is the 0.6% of phenyl siloxane rubber quality；The one step cure temperature is 150 DEG C, vulcanization
Pressure is 10MPa, vulcanization time 10min；
Post vulcanization: obtaining abrasive rubber finished product after abrasive rubber semi-finished product are carried out post vulcanization, the post vulcanization
Temperature is 600 DEG C, vulcanization time 6h.
Embodiment 2
Ingredient: the ingredient and its parts by weight for weighing abrasive rubber weigh raw material；The abrasive rubber includes following weight
The component of number: phenyl siloxane rubber: 62 parts, polipropene 25 part, 12 parts of devitrified glass particle, Shajiang black soil: 45 parts, Pr2O37 parts,
6 parts of antioxidant, 6 parts of lubricant, the phenyl siloxane rubber is high phenyl siloxane rubber, the diameter of devitrified glass particle in abrasive rubber
For 12nm, the partial size of Shajiang black soil is 22 μm, and antioxidant is grape pip antioxidant；
Phenyl siloxane rubber: being first put into after being kneaded in two-roll mill, place into other raw materials and be uniformly kneaded by one step cure,
It is then placed in mold, obtains abrasive rubber semi-finished product after carrying out one step cure with vulcanizing press pressurization；Wherein, the phenyl silicon
Rubber needs to carry out presulfurization processing, and the presulfurization processing includes the following steps: phenyl siloxane rubber at 165 DEG C in heat refining
- 2,5 dual-tert-butyl butylperoxyhexane of 2,5- dimethyl is added on machine and carries out dynamic presulfurization processing；The 2,5- dimethyl -2,5
The quality of dual-tert-butyl butylperoxyhexane is the 0.8% of phenyl siloxane rubber quality；The one step cure temperature is 152 DEG C, vulcanization
Pressure is 10.5MPa, vulcanization time 11min；
Post vulcanization: obtaining abrasive rubber finished product after abrasive rubber semi-finished product are carried out post vulcanization, the post vulcanization
Temperature is 620 DEG C, vulcanization time 6.2h.
Embodiment 3
Ingredient: the ingredient and its parts by weight for weighing abrasive rubber weigh raw material；The abrasive rubber includes following weight
The component of number: phenyl siloxane rubber: 70 parts, 30 parts of polypropylene, 15 parts of devitrified glass particle, Shajiang black soil: 50 parts, Pr2O37.5
Part, 7.5 parts of antioxidant, 7.5 parts of lubricant, the phenyl siloxane rubber is high phenyl siloxane rubber, devitrified glass in abrasive rubber
The diameter of grain is 15nm, and the partial size of Shajiang black soil is 25 μm, and antioxidant is pomegranate seed antioxidant, grape pip antioxidant；
Phenyl siloxane rubber: being first put into after being kneaded in two-roll mill, place into other raw materials and be uniformly kneaded by one step cure,
It is then placed in mold, obtains abrasive rubber semi-finished product after carrying out one step cure with vulcanizing press pressurization；Wherein, the phenyl silicon
Rubber needs to carry out presulfurization processing, and the presulfurization processing includes the following steps: phenyl siloxane rubber at 170 DEG C in heat refining
- 2,5 dual-tert-butyl butylperoxyhexane of 2,5- dimethyl is added on machine and carries out dynamic presulfurization processing；The 2,5- dimethyl -2,5
The quality of dual-tert-butyl butylperoxyhexane is the 0.9% of phenyl siloxane rubber quality；The one step cure temperature is 155 DEG C, vulcanization
Pressure is 11MPa, vulcanization time 12.5min；
Post vulcanization: obtaining abrasive rubber finished product after abrasive rubber semi-finished product are carried out post vulcanization, the post vulcanization
Temperature is 650 DEG C, vulcanization time 6.5h.
Embodiment 4
Ingredient: the ingredient and its parts by weight for weighing abrasive rubber weigh raw material；The abrasive rubber includes following weight
The component of number: phenyl siloxane rubber: 75 parts, 35 parts of polypropylene, 18 parts of devitrified glass particle, Shajiang black soil: 55 parts, Pr2O39 parts,
8 parts of antioxidant, 9 parts of lubricant, the phenyl siloxane rubber is high phenyl siloxane rubber, the diameter of devitrified glass particle in abrasive rubber
For 18nm, the partial size of Shajiang black soil is 28 μm, and antioxidant is pomegranate seed antioxidant, grape pip antioxidant；
Phenyl siloxane rubber: being first put into after being kneaded in two-roll mill, place into other raw materials and be uniformly kneaded by one step cure,
It is then placed in mold, obtains abrasive rubber semi-finished product after carrying out one step cure with vulcanizing press pressurization；Wherein, the phenyl silicon
Rubber needs to carry out presulfurization processing, and the presulfurization processing includes the following steps: phenyl siloxane rubber at 175 DEG C in heat refining
- 2,5 dual-tert-butyl butylperoxyhexane of 2,5- dimethyl is added on machine and carries out dynamic presulfurization processing；The 2,5- dimethyl -2,5
The quality of dual-tert-butyl butylperoxyhexane is the 1.1% of phenyl siloxane rubber quality；The one step cure temperature is 158 DEG C, vulcanization
Pressure is 11.5MPa, vulcanization time 14min；
Post vulcanization: obtaining abrasive rubber finished product after abrasive rubber semi-finished product are carried out post vulcanization, the post vulcanization
Temperature is 680 DEG C, vulcanization time 6.8h.
Embodiment 5
Ingredient: the ingredient and its parts by weight for weighing abrasive rubber weigh raw material；The abrasive rubber includes following weight
The component of number: phenyl siloxane rubber: 80 parts, 40 parts of polypropylene, 20 parts of devitrified glass particle, Shajiang black soil: 60 parts, Pr2O310
Part, 10 parts of antioxidant, 10 parts of lubricant, the phenyl siloxane rubber is high phenyl siloxane rubber, devitrified glass particle in abrasive rubber
Diameter be 20nm, the partial size of Shajiang black soil is 30 μm, and antioxidant is pomegranate seed antioxidant；
Phenyl siloxane rubber: being first put into after being kneaded in two-roll mill, place into other raw materials and be uniformly kneaded by one step cure,
It is then placed in mold, obtains abrasive rubber semi-finished product after carrying out one step cure with vulcanizing press pressurization；Wherein, the phenyl silicon
Rubber needs to carry out presulfurization processing, and the presulfurization processing includes the following steps: phenyl siloxane rubber at 180 DEG C in heat refining
- 2,5 dual-tert-butyl butylperoxyhexane of 2,5- dimethyl is added on machine and carries out dynamic presulfurization processing；The 2,5- dimethyl -2,5
The quality of dual-tert-butyl butylperoxyhexane is the 1.2% of phenyl siloxane rubber quality；The one step cure temperature is 160 DEG C, vulcanization
Pressure is 12MPa, vulcanization time 15min；
Post vulcanization: obtaining abrasive rubber finished product after abrasive rubber semi-finished product are carried out post vulcanization, the post vulcanization
Temperature is 700 DEG C, vulcanization time 7h.
Embodiment 6
Difference with embodiment 3 is only that the phenyl siloxane rubber in the embodiment abrasive rubber finished product is low phenyl silicon rubber
Glue, other are same as Example 3, and details are not described herein again.
Embodiment 7
Difference with embodiment 3 is only that the diameter of devitrified glass particle is 8nm in the embodiment abrasive rubber finished product,
Other are same as Example 3, and details are not described herein again.
Embodiment 8
Difference with embodiment 3 is only that the diameter of devitrified glass particle is 22nm in the embodiment abrasive rubber finished product,
Other are same as Example 3, and details are not described herein again.
Embodiment 9
Difference with embodiment 3 is only that, the common commercially available chemical antioxidants of antioxidant in the embodiment abrasive rubber finished product,
Other are same as Example 3, and details are not described herein again.
Embodiment 10
Difference with embodiment 3 is only that the embodiment abrasive rubber finished product is prepared using common process, other with
Embodiment 3 is identical, and details are not described herein again.
Embodiment 11
Difference with embodiment 3 is only that the embodiment abrasive rubber finished product phenyl siloxane rubber does not carry out at presulfurization
Reason, other are same as Example 3, and details are not described herein again.
Embodiment 12
Difference with embodiment 3 is only that the embodiment abrasive rubber finished product is during the preparation process without carrying out one section of sulphur
Change processing, other are same as Example 3, and details are not described herein again.
Embodiment 13
Difference with embodiment 3 is only that the embodiment abrasive rubber finished product is during the preparation process without carrying out two sections of sulphur
Change processing, other are same as Example 3, and details are not described herein again.
Comparative example 1
Difference with embodiment 3 is only that, the comparative example abrasive rubber is using common commercially available rubber constituent, other and implementation
Example 3 is identical, and details are not described herein again.
Comparative example 2
Difference with embodiment 3 is only that do not have devitrified glass particle in the comparative example abrasive rubber, other and embodiment
3 is identical, and details are not described herein again.
Comparative example 3
Difference with embodiment 3 is only that do not have Shajiang black soil in the comparative example abrasive rubber, other and 3 phase of embodiment
Together, details are not described herein again.
Comparative example 4
Difference with embodiment 3 is only that do not have Pr in the comparative example abrasive rubber2O3, other are same as Example 3, this
Place repeats no more.
Abrasive rubber made from above-described embodiment 1-13 and comparative example 1-4 is subjected to performance detection, testing result such as 1 institute of table
Show:
Table 1: the performance test results of abrasive rubber obtained in embodiment 1-13 and comparative example 1-4
It can be seen from the results above that devitrified glass particle, mechanical strength is added in the present invention in the composition of abrasive rubber
Height, excellent insulating property, dielectric loss is few, and dielectric constant is stablized, and thermal expansion coefficient can be adjusted in very wide range, and chemically-resistant is rotten
Erosion, wear-resisting, thermal stability is good, uses temperature height；Shajiang black soil is added in abrasive rubber by the present invention, can make full use of sand
The moisture and composition contained in ginger black earth improves the wear-resisting property of rubber, and Pr is added on the basis of Shajiang black soil2O3, not only
It can make the second phase for occurring richness Pr particle in Shajiang black soil, and Pr2O3Stepping up for content increases parent glass network structure
Connectivity it is resistance in abrasive rubber to play Shajiang black soil to increase the displacement performance of structural support point in Shajiang black soil
Mill effect.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can do various modifications or supplement or is substituted in a similar manner to described specific embodiment, but simultaneously
Spirit or beyond the scope defined by the appended claims of the invention is not deviated by.
It is skilled to this field although present invention has been described in detail and some specific embodiments have been cited
For technical staff, as long as it is obvious for can making various changes or correct without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of abrasive rubber, which is characterized in that the abrasive rubber includes the component of following parts by weight: phenyl siloxane rubber:
60-80 parts, 20-40 parts of polyethylene, 10-20 parts of devitrified glass particle, Shajiang black soil: 40-60 parts, Pr2O35-10 parts, antioxidant
5-10 parts, 5-10 parts of lubricant.
2. a kind of abrasive rubber according to claim 1, which is characterized in that the phenyl siloxane rubber is high phenyl silicon rubber
Glue.
3. a kind of abrasive rubber according to claim 1, which is characterized in that devitrified glass particle in the abrasive rubber
Diameter is 10-20nm.
4. a kind of abrasive rubber according to claim 1, which is characterized in that the partial size of the Shajiang black soil is 20-30 μm.
5. a kind of abrasive rubber according to claim 1, which is characterized in that the antioxidant is pomegranate seed antioxidant, Portugal
One or both of grape seed antioxidant.
6. a kind of preparation method of abrasive rubber as described in claim 1, which is characterized in that the preparation method includes as follows
Step:
Ingredient: raw material is weighed by the ingredient and its parts by weight of abrasive rubber in claim 1；
One step cure: first phenyl siloxane rubber is put into after being kneaded in two-roll mill, places into other raw materials and be uniformly kneaded, then
It is placed in mold, obtains abrasive rubber semi-finished product after carrying out one step cure with vulcanizing press pressurization；
Post vulcanization: abrasive rubber finished product is obtained after abrasive rubber semi-finished product are carried out post vulcanization.
7. a kind of preparation method of abrasive rubber according to claim 6, which is characterized in that the phenyl siloxane rubber needs
Carry out presulfurization processing, presulfurization processing includes the following steps: phenyl siloxane rubber at 160-180 DEG C on warm-up mill
- 2,5 dual-tert-butyl butylperoxyhexane of 2,5- dimethyl is added and carries out dynamic presulfurization processing.
8. a kind of preparation method of abrasive rubber according to claim 7, which is characterized in that 2, the 5- dimethyl -2,5
The quality of dual-tert-butyl butylperoxyhexane is the 0.6-1.2% of phenyl siloxane rubber quality.
9. a kind of preparation method of abrasive rubber according to claim 6, which is characterized in that the one step cure temperature is
150-160 DEG C, sulfide stress 10-12MPa, vulcanization time 10-15min.
10. a kind of preparation method of abrasive rubber according to claim 6, which is characterized in that the temperature of the post vulcanization
Degree is 600-700 DEG C, vulcanization time 6-7h.
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| CN201811287112.4A CN109504092A (en) | 2018-10-31 | 2018-10-31 | A kind of abrasive rubber |
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Cited By (1)
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| CN114907684A (en) * | 2022-06-17 | 2022-08-16 | 晋江友福鞋业有限公司 | Anti-skid wear-resistant slippers and preparation method thereof |
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Application publication date: 20190322 |