CN108517055A - Nylon fiber base rubber composite material and preparation method thereof - Google Patents
Nylon fiber base rubber composite material and preparation method thereof Download PDFInfo
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- CN108517055A CN108517055A CN201810412310.2A CN201810412310A CN108517055A CN 108517055 A CN108517055 A CN 108517055A CN 201810412310 A CN201810412310 A CN 201810412310A CN 108517055 A CN108517055 A CN 108517055A
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- polyvinyl alcohol
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The present invention relates to a kind of nylon fiber base rubber composite materials and preparation method thereof, belong to rubber composite material technical field.It prepares poly-vinyl alcohol solution first, and nylon fiber is then added and carries out ultrasonic disperse, and preparation prepares nylon fiber polyvinyl alcohol compound, and material is then added and is kneaded, sizing material compound is obtained, last to refine to obtain nylon fiber base rubber composite material eventually.Present invention process is simple, can significantly improve dispersibility of the nylon fiber in rubber mixing-milling technique, improve the property indices of rubber.
Description
Technical field
The present invention relates to a kind of nylon fiber base rubber composite materials and preparation method thereof, belong to rubber composite material technology
Field.
Background technology
Rubber is a kind of important strategic goods and materials, in national economy, new and high technology and national defence because of its unique high resiliency
Military industry field has extremely wide application.No matter simple natural rubber or synthetic rubber cannot be satisfied reality whether vulcanization
Border use demand.It is generally necessary to which adding filler improves its mechanical performance.
Nylon fiber has important application as reinforcing filler in rubber.The advantages of nylon fiber is that strength is high, resistance to
Heat, endurance.The comprehensive performance that nylon fiber is introduced into raising rubber in rubber has been a hot spot of research.Nylon fiber is not only
The mechanical performance of rubber can be improved, while its special functionality can be assigned.However, nylon fiber surface is smooth, it is unfavorable for
With the bonding of other polymers, the dispersibility in rubber is poor.It is to play Buddhist nun to improve dispersibility of the nylon fiber in rubber
Imperial fibre property promotes the key of rubber comprehensive performance.Even to this day, improving dispersibility of the nylon fiber in rubber is always
The difficult point of scientific research technical field and industrial circle.
Invention content
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of nylon fiber base rubber composite material and its system
Preparation Method.
According to technical solution provided by the invention, nylon fiber base rubber composite material, formula rate is by weight such as
Under:100 parts of rubber, 5-10 parts of zinc oxide, 0.5-4 parts of stearic acid, 1-5 parts of anti-aging agent, 2-6 parts of sulphur, 0.5-2 parts of accelerating agent,
0.1-0.4 parts of antiscorching agent.
The rubber is in natural rubber, butadiene rubber, butadiene-styrene rubber, butyl rubber, EP rubbers and neoprene
One or more.
The carbon black is one or more in N234, N326 and N375.
The anti-aging agent is antioxidant 4020 and/or anti-aging agent RD.
The accelerating agent is one or more in NOBS, CZ, DZ and NS.
The antiscorching agent is CTP.
The preparation method of the nylon fiber base rubber composite material, steps are as follows by weight:
(1)The preparation of nylon fiber-polyvinyl alcohol compound:
A, polyvinyl alcohol is dissolved in deionized water, the polyvinyl alcohol water solution of a concentration of 1%-10% of configuration quality, is waited for completely molten
Silane coupling agent is added after solution, silane coupling agent is the 10%-50% of polyvinyl alcohol quality, obtains poly-vinyl alcohol solution;
B, nylon fiber is added in poly-vinyl alcohol solution obtained by step a, ultrasonic disperse 1-3h is to nylon under 100-800W power
Fiber is evenly dispersed, obtains nylon fiber-polyvinyl alcohol dispersion liquid;
C, by nylon fiber-polyvinyl alcohol dispersion liquid at room temperature dry 2 ~ for 24 hours, it is multiple that nylon fiber-polyvinyl alcohol is prepared
Close object;
(2)One section of masterbatching:Sequentially add 100 parts of rubber into mixer, nylon fiber -0.1-20 parts of polyvinyl alcohol compound,
0.5-5 parts of polyvinyl butyral, 30-60 parts of carbon black, 5-10 parts of zinc oxide, 0.5-4 parts of stearic acid, 1-5 parts of anti-aging agent, mixing
Machine rotor rotating speed is 45-55 revs/min, ram piston pressure 0.3-0.5MPa, and the refining glue time is 50-140 seconds, and dump temperature is
150-165 DEG C, obtain one section of rubber master batch;
(4)Refining eventually:Step is added into mixer(2)One section of rubber master batch of gained, 2-6 parts of sulphur, 0.5-2 parts of accelerating agent, antiscorching agent
0.1-0.4 parts, closed-smelting machine rotor rotating speed is 20-40 revs/min, ram piston pressure 0.3-0.5MPa, and the refining glue time is 50-
130s, dump temperature are 90-110 DEG C, obtain finished composition.
The silane coupling agent is one or more in KH550, KH560 and KH570.
In the nylon fiber-polyvinyl alcohol compound, the mass ratio of nylon fiber and polyvinyl alcohol is 1:5~50.
Beneficial effects of the present invention:The invention discloses a kind of nylon fiber base rubber composite material and preparation method thereof,
The technological operation is simple, is easy to industrial operation.Nylon fiber is scattered in polyvinyl alcohol by the present invention in advance, avoids nylon
Fibril aggregation is agglomerating, ensure that nylon fiber is evenly dispersed in sizing material.Polyvinyl alcohol is added in the present invention in rubber compounding
On the one hand butyral can interact with nylon fiber-polyvinyl alcohol compound, on the other hand again can be with rubber phase interaction
With significantly promoting that nylon fiber is evenly dispersed in sizing material, improve the comprehensive performance of sizing material.
Specific implementation mode
1 a kind of nylon fiber base rubber composite material of embodiment and preparation method thereof, includes the following steps:
(1)The preparation of nylon fiber-polyvinyl alcohol compound:
A, polyvinyl alcohol is dissolved in deionized water, configuration concentration is the polyvinyl alcohol water solution of 1wt%, is added until completely dissolved
Enter silane coupling agent, mass fraction is the 10% of polyvinyl alcohol, obtains poly-vinyl alcohol solution;
B, nylon fiber is added in poly-vinyl alcohol solution, ultrasonic disperse 3h is evenly dispersed to nylon fiber under 100W power, obtains
To nylon fiber-polyvinyl alcohol dispersion liquid;
C, nylon fiber-polyvinyl alcohol dispersion liquid is dried into 2 h at room temperature, it is compound that nylon fiber-polyvinyl alcohol is prepared
The mass ratio of object, nylon fiber and polyvinyl alcohol is 1:5;
(2)One section of masterbatching:100 parts of rubber, nylon fiber -0.1 part of polyvinyl alcohol compound, poly- second are sequentially added into mixer
2 parts of enol butyral, 30 parts of carbon black, 10 parts of zinc oxide, 2 parts of stearic acid, 5 parts of anti-aging agent, closed-smelting machine rotor rotating speed are 50 revs/min
Clock, ram piston pressure 0.4MPa, refining glue time are 100 seconds, and dump temperature is 155 DEG C, obtains one section of rubber master batch;
(3)Refining eventually:One section of rubber master batch, 2 parts of sulphur, 2 parts of accelerating agent, 0.1 part of antiscorching agent, closed-smelting machine rotor turn are added into mixer
Speed is 40 revs/min, ram piston pressure 0.3MPa, and the refining glue time is 130 seconds, and dump temperature is 90 DEG C, obtains finished composition.
The rubber is natural rubber.The carbon black is N234, N326.The anti-aging agent is antioxidant 4020.It is described
Accelerating agent is CZ, DZ.The antiscorching agent is CTP.
2 a kind of nylon fiber base rubber composite material of embodiment and preparation method thereof, includes the following steps:
(1)The preparation of nylon fiber-polyvinyl alcohol compound:
A, polyvinyl alcohol is dissolved in deionized water, configuration concentration is the polyvinyl alcohol water solution of 10 wt%, until completely dissolved
Silane coupling agent is added, mass fraction is the 30% of polyvinyl alcohol, obtains poly-vinyl alcohol solution;
B, nylon fiber is added in poly-vinyl alcohol solution, ultrasonic disperse 2h is evenly dispersed to nylon fiber under 400W power, obtains
To nylon fiber-polyvinyl alcohol dispersion liquid;
C, nylon fiber-polyvinyl alcohol dispersion liquid is dried into 12h at room temperature, it is compound that nylon fiber-polyvinyl alcohol is prepared
The mass ratio of object, nylon fiber and polyvinyl alcohol is 1:50;
(2)One section of masterbatching:100 parts of rubber, nylon fiber -10 parts of polyvinyl alcohol compound, poly- second are sequentially added into mixer
5 parts of enol butyral, 40 parts of carbon black, 7 parts of zinc oxide, 4 parts of stearic acid, 2 parts of anti-aging agent, closed-smelting machine rotor rotating speed are 45 revs/min
Clock, ram piston pressure 0.5MPa, refining glue time are 50 seconds, and dump temperature is 165 DEG C, obtains one section of rubber master batch;
(3)Refining eventually:One section of rubber master batch, 6 parts of sulphur, 0.5 part of accelerating agent, 0.4 part of antiscorching agent, closed-smelting machine rotor are added into mixer
Rotating speed is 20 revs/min, ram piston pressure 0.4MPa, and the refining glue time is 50 seconds, and dump temperature is 110 DEG C, obtains finished composition.
The rubber is butadiene-styrene rubber.The carbon black is N375.The anti-aging agent is antioxidant 4020 and anti-aging agent RD.
The accelerating agent is NS.The antiscorching agent is CTP.
3 a kind of nylon fiber base rubber composite material of embodiment and preparation method thereof, includes the following steps:
(1)The preparation of nylon fiber-polyvinyl alcohol compound:
A, polyvinyl alcohol is dissolved in deionized water, configuration concentration is the polyvinyl alcohol water solution of 5wt%, is added until completely dissolved
Enter silane coupling agent, mass fraction is the 50% of polyvinyl alcohol, obtains poly-vinyl alcohol solution;
B, step is added in nylon fiber(1)In poly-vinyl alcohol solution in, 1 h of ultrasonic disperse is to nylon fiber under 800W power
It is evenly dispersed, obtain nylon fiber-polyvinyl alcohol dispersion liquid;
C, by nylon fiber-polyvinyl alcohol dispersion liquid, for 24 hours, it is compound that nylon fiber-polyvinyl alcohol is prepared in drying at room temperature
The mass ratio of object, nylon fiber and polyvinyl alcohol is 1:25;
(2)One section of masterbatching:100 parts of rubber, nylon fiber -20 parts of polyvinyl alcohol compound, poly- second are sequentially added into mixer
0.5 part of enol butyral, 60 parts of carbon black, 5 parts of zinc oxide, 0.5 part of stearic acid, 1 part of anti-aging agent, closed-smelting machine rotor rotating speed are 55
Rev/min, ram piston pressure 0.3MPa, the refining glue time is 140 seconds, and dump temperature is 150 DEG C, obtains one section of rubber master batch;
(3)Refining eventually:One section of rubber master batch, 3 parts of sulphur, 1 part of accelerating agent, 0.2 part of antiscorching agent, closed-smelting machine rotor turn are added into mixer
Speed is 30 revs/min, ram piston pressure 0.5MPa, and the refining glue time is 80 seconds, and dump temperature is 100 DEG C, obtains finished composition.
The rubber is EP rubbers and neoprene.The carbon black is N234.The anti-aging agent is anti-aging agent RD.Institute
It is DZ and NS to state accelerating agent.The antiscorching agent is CTP.
Embodiment described above describes the invention in detail.But it is to be understood that, the foregoing is merely
Specific embodiments of the present invention are not intended to restrict the invention.All any modifications made in the spirit of the present invention, benefit
Fill with equivalent replacement etc., it should be included within the scope of the present invention.
Claims (9)
1. nylon fiber base rubber composite material, it is characterized in that formula rate is as follows by weight:100 parts of rubber, zinc oxide
5-10 parts, 0.5-4 parts of stearic acid, 1-5 parts of anti-aging agent, 2-6 parts of sulphur, 0.5-2 parts of accelerating agent, 0.1-0.4 parts of antiscorching agent.
2. nylon fiber base rubber composite material as described in claim 1, it is characterized in that:The rubber is natural rubber, suitable
One or more of buna, butadiene-styrene rubber, butyl rubber, EP rubbers and neoprene.
3. nylon fiber base rubber composite material as described in claim 1, it is characterized in that:The carbon black be N234, N326 and
It is one or more in N375.
4. nylon fiber base rubber composite material as described in claim 1, it is characterized in that:The anti-aging agent is antioxidant 4020
And/or anti-aging agent RD.
5. nylon fiber base rubber composite material as described in claim 1, it is characterized in that:The accelerating agent be NOBS, CZ, DZ and
It is one or more in NS.
6. nylon fiber base rubber composite material as described in claim 1, it is characterized in that:The antiscorching agent is CTP.
7. the preparation method of nylon fiber base rubber composite material described in claim 1, it is characterized in that step is such as by weight
Under:
(1)The preparation of nylon fiber-polyvinyl alcohol compound:
A, polyvinyl alcohol is dissolved in deionized water, the polyvinyl alcohol water solution of a concentration of 1%-10% of configuration quality, is waited for completely molten
Silane coupling agent is added after solution, silane coupling agent is the 10%-50% of polyvinyl alcohol quality, obtains poly-vinyl alcohol solution;
B, nylon fiber is added in poly-vinyl alcohol solution obtained by step a, ultrasonic disperse 1-3h is to nylon under 100-800W power
Fiber is evenly dispersed, obtains nylon fiber-polyvinyl alcohol dispersion liquid;
C, by nylon fiber-polyvinyl alcohol dispersion liquid at room temperature dry 2 ~ for 24 hours, it is multiple that nylon fiber-polyvinyl alcohol is prepared
Close object;
(2)One section of masterbatching:Sequentially add 100 parts of rubber into mixer, nylon fiber -0.1-20 parts of polyvinyl alcohol compound,
0.5-5 parts of polyvinyl butyral, 30-60 parts of carbon black, 5-10 parts of zinc oxide, 0.5-4 parts of stearic acid, 1-5 parts of anti-aging agent, mixing
Machine rotor rotating speed is 45-55 revs/min, ram piston pressure 0.3-0.5MPa, and the refining glue time is 50-140 seconds, and dump temperature is
150-165 DEG C, obtain one section of rubber master batch;
(4)Refining eventually:Step is added into mixer(2)One section of rubber master batch of gained, 2-6 parts of sulphur, 0.5-2 parts of accelerating agent, antiscorching agent
0.1-0.4 parts, closed-smelting machine rotor rotating speed is 20-40 revs/min, ram piston pressure 0.3-0.5MPa, and the refining glue time is 50-
130s, dump temperature are 90-110 DEG C, obtain finished composition.
8. the preparation method of nylon fiber base rubber composite material described in claim 7, it is characterized in that:The silane coupling agent is
It is one or more in KH550, KH560 and KH570.
9. the preparation method of nylon fiber base rubber composite material described in claim 7, it is characterized in that:The nylon fiber-
In polyvinyl alcohol compound, the mass ratio of nylon fiber and polyvinyl alcohol is 1:5~50.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110128714A (en) * | 2019-06-06 | 2019-08-16 | 江苏通用科技股份有限公司 | A kind of aramid fiber short fibre base rubber composite material and preparation method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104558708A (en) * | 2015-01-19 | 2015-04-29 | 南京理工大学 | Multifunctional vulcanized rubber containing polyvinylpyrrolidone-modified graphene oxide and preparation method of multifunctional vulcanized rubber |
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2018
- 2018-05-03 CN CN201810412310.2A patent/CN108517055A/en active Pending
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CN104558708A (en) * | 2015-01-19 | 2015-04-29 | 南京理工大学 | Multifunctional vulcanized rubber containing polyvinylpyrrolidone-modified graphene oxide and preparation method of multifunctional vulcanized rubber |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110128714A (en) * | 2019-06-06 | 2019-08-16 | 江苏通用科技股份有限公司 | A kind of aramid fiber short fibre base rubber composite material and preparation method thereof |
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Application publication date: 20180911 |