CN108794777A - A kind of preparation method of the natural rubber of whisker reinforcement - Google Patents
A kind of preparation method of the natural rubber of whisker reinforcement Download PDFInfo
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- 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
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- 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
- C08J5/005—Reinforced macromolecular compounds with nanosized materials, e.g. nanoparticles, nanofibres, nanotubes, nanowires, nanorods or nanolayered materials
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- 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
- C08J2307/00—Characterised by the use of natural rubber
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-containing compounds
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- 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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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Abstract
The invention discloses a kind of preparation method of the natural rubber of whisker reinforcement, method includes the following steps:Titanium dioxide crystal whisker is provided;Titanium dioxide crystal whisker is modified;Carbon nanotube is provided;Carbon nanotube is modified;Natural rubber, EP rubbers, titanium dioxide, carbon black, anti-aging agent and accelerating agent are provided;Torque rheometer is added in natural rubber and EP rubbers, and first is carried out to natural rubber and EP rubbers and is plasticated, first is obtained and plasticates product;It plasticates to first and titanium dioxide, anti-aging agent, carbon black, the titanium dioxide crystal whisker of modification, the carbon nanotube of modification, anti-aging agent and accelerating agent is added in product, obtain the first mixture;First mixture second plasticate, second is obtained and plasticates product;Using open mill pair second plasticate product carry out mill, obtain rubber compound;Rubber compound is vulcanized.The natural rubber mechanical property of the whisker reinforcement of the present invention is good.
Description
Technical field
The invention belongs to technique for modifying rubbers fields, are related to a kind of preparation method of the natural rubber of whisker reinforcement.
Background technology
The material in macromolecule, rubber have a kind of very excellent performance --- high resiliency, also exactly this special property
Can, rubber becomes one of indispensable material in life.Pure rubber is expensive, and performance is bad when in use, itself is strong
Degree and wearability etc. are poor, and performance is bad.To improve the performance of rubber material, the cost of rubber is reduced, is usually added
Enter material and carry out reinforcement to it, reinforcement is that performance in terms of certain materials raising rubber is added in rubber, such as tensile strength, wearability
Energy and hardness etc..According to previous experiences, the reinforcing effect of rubber is determined by the property of addition material, under normal conditions reinforcing material
Material surface nature, shape and size can all influence the strengthening action of rubber.Material particle size is smaller, and specific surface area is bigger, with rubber
The matching performance of glue is better, and composite property is promoted also more apparent.
In order to improve the performance of natural rubber, the prior art proposes a kind of natural rubber of carbon black and calcium carbonate crystal whisker enhancing
Glue.At least there is following defect in this kind of prior art:The compatibility of calcium carbonate crystal whisker and rubber is simultaneously bad, is mixed by traditional
Refining, sulfidation, whisker can not be dispersed in rubber matrix well, this causes the property indices of rubber that cannot make us
It is satisfied.
Being disclosed in the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or imply that the information is constituted in any form.
Invention content
The purpose of the present invention is to provide one kind, to overcome problem of the prior art.
To achieve the above object, the present invention provides a kind of preparation method of the natural rubber of whisker reinforcement, feature exists
In:Method includes the following steps:Titanium dioxide crystal whisker is provided;Titanium dioxide crystal whisker is modified;Carbon nanotube is provided;To carbon
Nanotube is modified;Natural rubber, EP rubbers, titanium dioxide, carbon black, anti-aging agent and accelerating agent are provided;By natural rubber
Torque rheometer is added in glue and EP rubbers, and carries out first to natural rubber and EP rubbers and plasticate, and obtains the first modeling
Refine product;Plasticate to first be added in product titanium dioxide, anti-aging agent, carbon black, the titanium dioxide crystal whisker of modification, modification carbon receive
Mitron, anti-aging agent and accelerating agent obtain the first mixture;First mixture second plasticate, second is obtained and plasticates production
Object;Using open mill pair second plasticate product carry out mill, obtain rubber compound;Rubber compound is vulcanized.
Preferably, in above-mentioned technical proposal, titanium dioxide crystal whisker is modified specially:Titanium dioxide crystal whisker is carried out
Reductive heat treatment;To carrying out pickling by the titanium dioxide crystal whisker of reductive heat treatment, modified titanium dioxide crystal whisker is obtained.
Preferably, in above-mentioned technical proposal, reductive heat treatment is specially:Heat-treating atmosphere is hydrogen atmosphere, heat treatment temperature
Degree is 500-600 DEG C, heat treatment time 3-4h.
Preferably, in above-mentioned technical proposal, carrying out pickling to the titanium dioxide crystal whisker by reductive heat treatment is specially:It will
The mixed solution of dust technology and dilute hydrochloric acid is put by the titanium dioxide crystal whisker of reductive heat treatment, pickling temperature is 60-70 DEG C, acid
It is 20-30s to wash the time.
Preferably, in above-mentioned technical proposal, carbon nanotube is modified specially:It is molten that dust technology is added in carbon nanotube
Liquid;Permanganic acid, reaction time 20-30min are added into dilute nitric acid solution, reaction temperature is 50-60 DEG C.
Preferably, in above-mentioned technical proposal, in the first mixture, in parts by weight, natural rubber accounts for 100-200 parts,
EP rubbers accounts for 40-50 parts, and titanium dioxide accounts for 5-10 parts, and carbon black accounts for 5-10 parts, and modified titanium dioxide crystal whisker accounts for 3-6 parts, changes
The carbon nanotube of property accounts for 3-6 parts.
Preferably, in above-mentioned technical proposal, first plasticates specially:Torque rheometer rotating speed is that 70-90 turns/min, is plasticated
Temperature is 70-80 DEG C, and the time of plasticating is 10-20min.
Preferably, in above-mentioned technical proposal, second plasticates specially:Torque rheometer rotating speed is that 100-120 turns/min, modeling
It is 100-120 DEG C to refine temperature, and the time of plasticating is 10-20min.
Preferably, in above-mentioned technical proposal, vulcanization is specially:Curing temperature is 150-160 DEG C, sulfide stress 20-
30MPa, vulcanization time 20-30min.
Compared with prior art, the present invention has the advantages that:1, modified dioxy is added in natural rubber
Change titanium whisker, the enhancing effect of titanium dioxide crystal whisker is better than calcium carbonate crystal whisker, so that the properties of rubber are carried
It is high.2, except titanium dioxide crystal whisker, the present invention is also added into carbon nanotube, and the addition of carbon nanotube further increases rubber
Properties, in order to ensure that the compatibility to rubber, the present invention are modified carbon nanotube.3, in order to ensure rubber with
The compatibility of whisker, adds titanium dioxide in rubber.
Specific implementation mode
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
Embodiment 1
The rubber of whisker reinforcement is prepared in the following manner:Titanium dioxide crystal whisker is provided;Titanium dioxide crystal whisker is modified;
Carbon nanotube is provided;Carbon nanotube is modified;There is provided natural rubber, EP rubbers, titanium dioxide, carbon black, anti-aging agent with
And accelerating agent;Natural rubber and EP rubbers are added torque rheometer, and the is carried out to natural rubber and EP rubbers
One plasticates, and obtains first and plasticates product;Plasticate to first be added in product titanium dioxide, anti-aging agent, carbon black, modification titanium dioxide
Titanium whisker, the carbon nanotube of modification, anti-aging agent and accelerating agent, obtain the first mixture;Second modeling is carried out to the first mixture
Refining obtains second and plasticates product;Using open mill pair second plasticate product carry out mill, obtain rubber compound;Rubber compound is carried out
Vulcanization.Titanium dioxide crystal whisker is modified specially:Reductive heat treatment is carried out to titanium dioxide crystal whisker;To by heat of reduction
The titanium dioxide crystal whisker of reason carries out pickling, obtains modified titanium dioxide crystal whisker.Reductive heat treatment is specially:Heat-treating atmosphere is
Hydrogen atmosphere, heat treatment temperature are 500 DEG C, heat treatment time 4h.To being carried out by the titanium dioxide crystal whisker of reductive heat treatment
Pickling is specially:The mixed solution of dust technology and dilute hydrochloric acid, pickling temperature will be put by the titanium dioxide crystal whisker of reductive heat treatment
Degree is 60 DEG C, pickling time 30s.Carbon nanotube is modified specially:Dilute nitric acid solution is added in carbon nanotube;To dilute
Permanganic acid, reaction time 20min are added in salpeter solution, reaction temperature is 60 DEG C.In the first mixture, with parts by weight
Meter, natural rubber account for 100 parts, and EP rubbers accounts for 40 parts, and titanium dioxide accounts for 5 parts, and carbon black accounts for 5 parts, modified titanium dioxide crystal whisker
3 parts are accounted for, modified carbon nanotube accounts for 3 parts.First plasticates specially:Torque rheometer rotating speed is 70 turns/min, and plasticating temperature is
70 DEG C, the time of plasticating is 20min.Second plasticates specially:Torque rheometer rotating speed is 100 turns/min, plasticating temperature 100
DEG C, the time of plasticating is 20min.Vulcanization is specially:Curing temperature is 150 DEG C, sulfide stress 30MPa, and vulcanization time is
30min。
Embodiment 2
The rubber of whisker reinforcement is prepared in the following manner:Titanium dioxide crystal whisker is provided;Titanium dioxide crystal whisker is modified;
Carbon nanotube is provided;Carbon nanotube is modified;There is provided natural rubber, EP rubbers, titanium dioxide, carbon black, anti-aging agent with
And accelerating agent;Natural rubber and EP rubbers are added torque rheometer, and the is carried out to natural rubber and EP rubbers
One plasticates, and obtains first and plasticates product;Plasticate to first be added in product titanium dioxide, anti-aging agent, carbon black, modification titanium dioxide
Titanium whisker, the carbon nanotube of modification, anti-aging agent and accelerating agent, obtain the first mixture;Second modeling is carried out to the first mixture
Refining obtains second and plasticates product;Using open mill pair second plasticate product carry out mill, obtain rubber compound;Rubber compound is carried out
Vulcanization.Titanium dioxide crystal whisker is modified specially:Reductive heat treatment is carried out to titanium dioxide crystal whisker;To by heat of reduction
The titanium dioxide crystal whisker of reason carries out pickling, obtains modified titanium dioxide crystal whisker.Reductive heat treatment is specially:Heat-treating atmosphere is
Hydrogen atmosphere, heat treatment temperature are 600 DEG C, heat treatment time 3h.To being carried out by the titanium dioxide crystal whisker of reductive heat treatment
Pickling is specially:The mixed solution of dust technology and dilute hydrochloric acid, pickling temperature will be put by the titanium dioxide crystal whisker of reductive heat treatment
Degree is 70 DEG C, pickling time 20s.Carbon nanotube is modified specially:Dilute nitric acid solution is added in carbon nanotube;To dilute
Permanganic acid, reaction time 30min are added in salpeter solution, reaction temperature is 50 DEG C.In the first mixture, with parts by weight
Meter, natural rubber account for 200 parts, and EP rubbers accounts for 50 parts, and titanium dioxide accounts for 10 parts, and carbon black accounts for 10 parts, and modified titanium dioxide is brilliant
6 parts must be accounted for, modified carbon nanotube accounts for 6 parts.First plasticates specially:Torque rheometer rotating speed is 90 turns/min, plasticating temperature
It it is 80 DEG C, the time of plasticating is 10min.Second plasticates specially:Torque rheometer rotating speed is 120 turns/min, plasticating temperature 120
DEG C, the time of plasticating is 10min.Vulcanization is specially:Curing temperature is 160 DEG C, sulfide stress 30MPa, and vulcanization time is
20min。
Embodiment 3
The rubber of whisker reinforcement is prepared in the following manner:Titanium dioxide crystal whisker is provided;Titanium dioxide crystal whisker is modified;
Carbon nanotube is provided;Carbon nanotube is modified;There is provided natural rubber, EP rubbers, titanium dioxide, carbon black, anti-aging agent with
And accelerating agent;Natural rubber and EP rubbers are added torque rheometer, and the is carried out to natural rubber and EP rubbers
One plasticates, and obtains first and plasticates product;Plasticate to first be added in product titanium dioxide, anti-aging agent, carbon black, modification titanium dioxide
Titanium whisker, the carbon nanotube of modification, anti-aging agent and accelerating agent, obtain the first mixture;Second modeling is carried out to the first mixture
Refining obtains second and plasticates product;Using open mill pair second plasticate product carry out mill, obtain rubber compound;Rubber compound is carried out
Vulcanization.Titanium dioxide crystal whisker is modified specially:Reductive heat treatment is carried out to titanium dioxide crystal whisker;To by heat of reduction
The titanium dioxide crystal whisker of reason carries out pickling, obtains modified titanium dioxide crystal whisker.Reductive heat treatment is specially:Heat-treating atmosphere is
Hydrogen atmosphere, heat treatment temperature are 500-600 DEG C, heat treatment time 3-4h.It is brilliant to the titanium dioxide by reductive heat treatment
Must carry out pickling is specially:The mixed solution of dust technology and dilute hydrochloric acid will be put by the titanium dioxide crystal whisker of reductive heat treatment,
Pickling temperature is 60-70 DEG C, pickling time 20-30s.Carbon nanotube is modified specially:Carbon nanotube is added dilute
Salpeter solution;Permanganic acid, reaction time 20-30min are added into dilute nitric acid solution, reaction temperature is 50-60 DEG C.First
In mixture, in parts by weight, natural rubber accounts for 100-200 parts, and EP rubbers accounts for 40-50 parts, and titanium dioxide accounts for 5-10 parts, charcoal
Black to account for 5-10 parts, modified titanium dioxide crystal whisker accounts for 3-6 parts, and modified carbon nanotube accounts for 3-6 parts.First plasticates specially:Turn
Square rheometer rotating speed is that 70-90 turns/min, and plasticating temperature is 70-80 DEG C, and the time of plasticating is 10-20min.Second plasticates specifically
For:Torque rheometer rotating speed is that 100-120 turns/min, and plasticating temperature is 100-120 DEG C, and the time of plasticating is 10-20min.Vulcanization
Specially:Curing temperature is 150-160 DEG C, sulfide stress 20-30MPa, vulcanization time 20-30min.
Embodiment 4
As different from Example 3:Titanium dioxide crystal whisker is not modified.
Embodiment 5
As different from Example 3:It is added without carbon nanotube.
Embodiment 6
As different from Example 3:Carbon nanotube is not modified.
Embodiment 7
As different from Example 3:It is added without titanium dioxide.
Embodiment 8
As different from Example 3:Reductive heat treatment is specially:Heat-treating atmosphere is hydrogen atmosphere, and heat treatment temperature is
700 DEG C, heat treatment time 2h.
Embodiment 9
As different from Example 3:Reductive heat treatment is specially:Heat-treating atmosphere is hydrogen atmosphere, and heat treatment temperature is
400 DEG C, heat treatment time 5h.
Embodiment 10
As different from Example 3:Carrying out pickling to the titanium dioxide crystal whisker by reductive heat treatment is specially:It will pass through
The titanium dioxide crystal whisker of reductive heat treatment is put into dilute nitric acid solution.
Embodiment 11
As different from Example 3:Carrying out pickling to the titanium dioxide crystal whisker by reductive heat treatment is specially:It will pass through
The titanium dioxide crystal whisker of reductive heat treatment is put into the mixed solution of dust technology and dilute hydrochloric acid, and pickling temperature is 80 DEG C, pickling time
For 25s.
Embodiment 12
As different from Example 3:Carrying out pickling to the titanium dioxide crystal whisker by reductive heat treatment is specially:It will pass through
The titanium dioxide crystal whisker of reductive heat treatment is put into the mixed solution of dust technology and dilute hydrochloric acid, and pickling temperature is 50 DEG C, pickling time
For 60s.
Embodiment 13
As different from Example 3:Carbon nanotube is modified specially:Dilute hydrochloric acid solution is added in carbon nanotube;
Permanganic acid, reaction time 25min are added into dilute hydrochloric acid solution, reaction temperature is 55 DEG C.
Embodiment 14
As different from Example 3:Carbon nanotube is modified specially:Dilute nitric acid solution is added in carbon nanotube;
Hydrogen peroxide, reaction time 25min are added into dilute nitric acid solution, reaction temperature is 55 DEG C.
Embodiment 15
As different from Example 3:Carbon nanotube is modified specially:Dilute nitric acid solution is added in carbon nanotube;
Permanganic acid, reaction time 40min are added into dilute nitric acid solution, reaction temperature is 40 DEG C.
Embodiment 16
As different from Example 3:In the first mixture, in parts by weight, natural rubber accounts for 150 parts, EP rubbers
45 parts are accounted for, titanium dioxide accounts for 15 parts, and carbon black accounts for 15 parts, and modified titanium dioxide crystal whisker accounts for 5 parts, and modified carbon nanotube accounts for 5 parts.
Embodiment 17
As different from Example 3:In the first mixture, in parts by weight, natural rubber accounts for 150 parts, EP rubbers
45 parts are accounted for, titanium dioxide accounts for 3 parts, and carbon black accounts for 3 parts, and modified titanium dioxide crystal whisker accounts for 5 parts, and modified carbon nanotube accounts for 5 parts.
Embodiment 18
As different from Example 3:In the first mixture, in parts by weight, natural rubber accounts for 150 parts, EP rubbers
45 parts are accounted for, titanium dioxide accounts for 8 parts, and carbon black accounts for 8 parts, and modified titanium dioxide crystal whisker accounts for 8 parts, and modified carbon nanotube accounts for 8 parts.
Embodiment 19
As different from Example 3:First plasticates specially:Torque rheometer rotating speed is 80 turns/min, and plasticating temperature is
60 DEG C, the time of plasticating is 30min.
Embodiment 20
As different from Example 3:First plasticates specially:Torque rheometer rotating speed is 80 turns/min, and plasticating temperature is
90 DEG C, the time of plasticating is 8min.
Embodiment 21
As different from Example 3:Second plasticates specially:Torque rheometer rotating speed is 110 turns/min, and plasticating temperature is
130 DEG C, the time of plasticating is 7min.
Embodiment 22
As different from Example 3:Second plasticates specially:Torque rheometer rotating speed is 110 turns/min, and plasticating temperature is
80 DEG C, the time of plasticating is 40min.
Embodiment 23
As different from Example 3:Vulcanization is specially:Curing temperature is 170 DEG C, sulfide stress 15MPa, vulcanization time
For 50min.
Hardness test carried out to the natural rubber of the embodiment 1-23 whisker reinforcement prepared, tensile strength test and is pulled apart
Test of elongation rate, dependence test are carried out according to the countries concerned's standard.For the ease of comparing, all results are based on embodiment 1
It is normalized.
Table 1
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the present invention and its actually answering
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementation schemes and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (9)
1. a kind of preparation method of the natural rubber of whisker reinforcement, it is characterised in that:Described method includes following steps:
Titanium dioxide crystal whisker is provided;
The titanium dioxide crystal whisker is modified;
Carbon nanotube is provided;
The carbon nanotube is modified;
Natural rubber, EP rubbers, titanium dioxide, carbon black, anti-aging agent and accelerating agent are provided;
The natural rubber and the EP rubbers are added torque rheometer, and to the natural rubber and described
EP rubbers first plasticate, and obtains first and plasticates product;
Plasticate to described first be added in product titanium dioxide, anti-aging agent, carbon black, the titanium dioxide crystal whisker of modification, modification carbon
Nanotube, anti-aging agent and accelerating agent obtain the first mixture;
First mixture second plasticate, second is obtained and plasticates product;
Using open mill to described second plasticate product carry out mill, obtain rubber compound;
The rubber compound is vulcanized.
2. the preparation method of natural rubber as described in claim 1, it is characterised in that:The titanium dioxide crystal whisker is changed
Property is specially:
Reductive heat treatment is carried out to the titanium dioxide crystal whisker;
To carrying out pickling by the titanium dioxide crystal whisker of reductive heat treatment, modified titanium dioxide crystal whisker is obtained.
3. the preparation method of natural rubber as claimed in claim 2, it is characterised in that:The reductive heat treatment is specially:Heat
Processing atmosphere is hydrogen atmosphere, and heat treatment temperature is 500-600 DEG C, heat treatment time 3-4h.
4. the preparation method of natural rubber as claimed in claim 2, it is characterised in that:Described pair by the two of reductive heat treatment
Titanium oxide whisker carries out pickling:
The mixed solution of dust technology and dilute hydrochloric acid, pickling temperature 60- will be put by the titanium dioxide crystal whisker of reductive heat treatment
70 DEG C, pickling time 20-30s.
5. the preparation method of natural rubber as described in claim 1, it is characterised in that:Tool is modified to the carbon nanotube
Body is:
Dilute nitric acid solution is added in the carbon nanotube;
Permanganic acid, reaction time 20-30min are added into the dilute nitric acid solution, reaction temperature is 50-60 DEG C.
6. the preparation method of natural rubber as described in claim 1, it is characterised in that:In first mixture, with weight
Part meter is measured, the natural rubber accounts for 100-200 parts, and the EP rubbers accounts for 40-50 parts, and the titanium dioxide accounts for 5-10 parts, institute
It states carbon black and accounts for 5-10 parts, the titanium dioxide crystal whisker of the modification accounts for 3-6 parts, and the carbon nanotube of the modification accounts for 3-6 parts.
7. the preparation method of natural rubber as described in claim 1, it is characterised in that:Described first plasticates specially:Torque
Rheometer rotating speed is that 70-90 turns/min, and plasticating temperature is 70-80 DEG C, and the time of plasticating is 10-20min.
8. the preparation method of natural rubber as described in claim 1, it is characterised in that:Described second plasticates specially:Torque
Rheometer rotating speed is that 100-120 turns/min, and plasticating temperature is 100-120 DEG C, and the time of plasticating is 10-20min.
9. the preparation method of natural rubber as described in claim 1, it is characterised in that:The vulcanization is specially:Curing temperature
It is 150-160 DEG C, sulfide stress 20-30MPa, vulcanization time 20-30min.
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CN115197505A (en) * | 2022-07-07 | 2022-10-18 | 杭州巨星科技股份有限公司 | Rebound-free rubber composition, preparation method and application thereof |
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CN101824169A (en) * | 2010-01-19 | 2010-09-08 | 上海工程技术大学 | Natural rubber composite material with modified crystal whiskers and preparation method thereof |
CN101831090A (en) * | 2010-04-02 | 2010-09-15 | 南京理工大学 | High-performance natural rubber vulcanized rubber of carbon-containing nano-tube, and preparation method thereof |
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CN101824169A (en) * | 2010-01-19 | 2010-09-08 | 上海工程技术大学 | Natural rubber composite material with modified crystal whiskers and preparation method thereof |
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CN115197505A (en) * | 2022-07-07 | 2022-10-18 | 杭州巨星科技股份有限公司 | Rebound-free rubber composition, preparation method and application thereof |
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