CN106009603A - Preparation method of tear-resistant modified composite environment-friendly rubber base material - Google Patents

Preparation method of tear-resistant modified composite environment-friendly rubber base material Download PDF

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CN106009603A
CN106009603A CN201610617284.8A CN201610617284A CN106009603A CN 106009603 A CN106009603 A CN 106009603A CN 201610617284 A CN201610617284 A CN 201610617284A CN 106009603 A CN106009603 A CN 106009603A
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rubber
tear
graphite
preparation
base material
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杨定宽
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Suzhou Rui Radex Chemical Products Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02Polyalkylene oxides
    • C08L71/03Polyepihalohydrins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/001Conductive additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16Fibres; Fibrils

Abstract

The invention discloses a preparation method of a tear-resistant modified composite environment-friendly rubber base material. The method comprises the following steps: preparing graphene oxide with high oxidation degree; and modifying the graphene oxide to prepare the tear-resistant modified composite environment-friendly rubber base material. In the invention, by adopting asphalt-based carbon fiber, the mechanical property of the material is enhanced, the harmful gases and dust matters in tail gas can be greatly adsorbed and eliminated, and the obtained MC nylon has good overall performance. By cooperatively adopting the main materials including epichlorohydrin rubber, nitrile butadiene rubber, acrylonitrile-butadiene copolymer rubber, diene rubber, styrene butadiene rubber and regenerated rubber, the toughness of the material is greatly improved, and the condition that a conveyer belt is easily broken is effectively solved; meanwhile, gases harmful to a human body are not generated at relatively high temperature; and through perfect fusion of the high-temperature resistance, tear resistance and the like, the tear-resistant modified composite environment-friendly rubber base material provided by the invention can be applied to various severe conditions. The added components not only effectively ensure that the protected material is not burnt easily, and but also avoid the generation of gases harmful to the human body when being burnt at extremely high temperature; and compared with the hydrotalcite currently applied on the market, the tear-resistant modified composite environment-friendly rubber base material has obvious advantages of high-temperature resistance, fireproof property and flame retardance.

Description

A kind of preparation method of tear-resistant modified composite environmental-friendly rubber substrate
Technical field
The present invention relates to the preparation method of a kind of tear-resistant modified composite environmental-friendly rubber substrate, particularly to a kind of MC Buddhist nun The preparation method of dragon/modified graphene oxide nano composite material.
Background technology
Monomer cast nylon (MC nylon) is one of current most widely used engineering plastics, and it has low cost, high yield, height The advantages such as reaction rate and good mechanical performance, are widely used in preparing bearing, gear, pulley etc., especially prepare The large-scale device can not prepared by compression moulding or extrusion molding, MC nylon progressively replaces some metal materials in a lot of fields, Such as copper, aluminum, steel and ferrum etc..But, compared with metal material, it is high that MC nylon there are still elastic modelling quantity, and low-temperature flexibility is poor, The shortcomings such as impact strength is on the low side, and dimensional stability is bad, make the application of MC nylon be somewhat limited, domestic for this External enhancing, the aspect such as toughness reinforcing conduct extensive research.
Implant is mainly incorporated into polymerization forming in caprolactam monomer by the activeness and quietness modification of MC nylon, main Implant has inorganic filler, fibrous material, elastomeric material and nano material.Traditional modifying agent and method mostly can only be improved MC nylon performance in a certain respect, and to a certain extent to weaken other performance as cost.Such as add mineral powder, toughness reinforcing While often make intensity reduce;Toughness is the most generally made to reduce during fiberglass reinforced;And often add graft copolymerization elastic body toughening It is with the valuable rigidity of expendable material, dimensional stability, thermostability as cost, carries it is therefore necessary to find a kind of modifying agent The combination property of high MC nylon.
Summary of the invention
The present invention solves that above-mentioned technical problem provides the preparation side of a kind of tear-resistant modified composite environmental-friendly rubber substrate Method, the method preparation simplicity, technique is simple, and the tear-resistant modified composite environmental-friendly rubber substrate combination property of one obtained is good, On the premise of keeping MC nylon hot strength and hardness, significantly improve the impact strength of MC nylon.
The technical scheme is that the preparation method of a kind of tear-resistant modified composite environmental-friendly rubber substrate, including following Step:
A. the graphite oxide of high oxidation degree is prepared;
B. the graphite oxide using cetyl trimethylammonium bromide to obtain step a is modified processing, and to changing of obtaining Property graphite oxide use and ultrasonic obtain graphene oxide;
C. situ aggregation method is used to prepare MC nylon/modified graphene oxide nano composite material;
D. nitrile rubber modified phenolic resin, hexamethylenamine, decompression residuum, non-halogenated organophosphinate, six methines are added Tetramine, tri-methyl-amyl triethoxysilane, conductive mica powder, conductive nano graphite powder, the trimer of polyisocyanates, poly-four Fluorothene fiber, nanoparticle active agent, plasticizer, age resistor, nano-cerium oxide, accelerator;
E. after remaining component being pulverized and mixed, standby after crossing 100-200 mesh screen;Stir prepared high temperature 90-100 DEG C Base material;
F. by compound, base material being extruded into adobe by vacuum extruder, the vacuum of vacuum extruder is 1.0-1.8Mpa, Extrusion pressure is 15-20Mpa;
Each component proportion described is: chlorohydrin rubber 90-100 part, nitrile rubber 20-30 part, acrylonitrile-butadiene copolymer rubber Glue 30-60 part, diene rubber 30-55 part, butadiene-styrene rubber 10-20 part, reclaimed rubber 20-30 part, graphene oxide 5-10 weight Part, non-halogenated organophosphinate 5-7 part, hexamethylenetetramine 8-10 part, tri-methyl-amyl triethoxysilane 2-4 part, lead Electricity mica powder 0.3-0.5 weight portion, conductive nano graphite powder 0.2-0.4 weight portion, the trimer 0.8-1 weight of polyisocyanates Part, polytetrafluoroethylene fibre 1-2 weight portion, nanoparticle active agent 20-30 weight portion, plasticizer 2-8 weight portion, age resistor 1-5 weight Amount part, nano-cerium oxide 6-14 weight portion, accelerator 2-6 weight portion;
G. by after the adobe of step (f) under field conditions (factors) dry in the sun 15 days at a temperature of 700 DEG C sinter molding;Base material is put into In Mechanical processing of casting machine, first adding pressurizing melting on vulcanizing press at foundry goods, melt temperature is 160-190 DEG C, after constant temperature 3-5h certainly So cooling.
Step a is prepared high oxidation degree graphite oxide include: added by concentrated sulphuric acid in graphite, through-20 DEG C ~-10 DEG C Low temperature stirs 5-12 hour, then after 0 DEG C ~ 5 DEG C stirrings 5-12 hour, addition potassium permanganate carries out oxidation reaction and aoxidized Graphite solution.
Step b use cetyl trimethylammonium bromide (CTAB) graphene oxide modification is included: in step a In obtain graphite oxide solution is directly added into CTAB, CTAB and graphite oxide flocculated and modified-reaction obtains modified oxidized Graphite solution.
Graphite with the mass ratio of CTAB is: 10:1 ~ 20:1, and graphite with the mass ratio of potassium permanganate is: 1:1 ~ 1:5.
In step c, use situ aggregation method to prepare MC nylon/modified graphene oxide nano composite material and include: incite somebody to action oneself Lactams is heated to 70 DEG C-100 DEG C and extremely melts, and the modified graphene oxide solution that mass fraction is 0.05% ~ 5% joins oneself Adding a certain amount of catalyst in lactams fused solution, decompression distillation removes by-product in 30-60 minute, is eventually adding a certain amount of Activator (TDI), pours in preheated mould after stirring rapidly, react 1-4 hour at 80-150 DEG C.
Described catalyst is sodium hydroxide, and described activator is 2,4 toluene diisocyanate.
In the present invention, with chlorohydrin rubber, nitrile rubber, acrylonitrile-butadiene copolymer rubber, diene rubber, butylbenzene rubber Glue, reclaimed rubber are major ingredient with the use of substantially increasing the toughness of material, effectively solve the feelings that conveyer belt is easily broken off The performances such as condition, also will not produce harmful gas high temperature resistant simultaneously under higher temperature, tear-resistant perfectly merge so that The present invention can apply to work under various mal-condition.Use two benches low temperature process to prepare graphite oxide, concentrated sulphuric acid is added In graphite, first pass around-20 DEG C ~-10 DEG C low temperature and stir 5-12 hour, then after 0 DEG C ~ 5 DEG C stirrings 5-12 hour, add height Violent acid potassium solution prepares graphite oxide, uses two benches low temperature process, and concentrated sulphuric acid carries out pre-oxidation to graphite, adds permanganic acid Graphite is carried out, in profound oxidizing process, to significantly improve the degree of oxidation of graphite oxide by potassium, resistance in follow-up preparation one In the modified composite environmental-friendly rubber substrate of tear, improve graphene oxide dispersibility in MC nylon.
Using CTAB to be modified graphite oxide processing, modified graphite oxide specific surface area is big, with matrix Buddhist nun simultaneously Dragon has and contacts more fully;The most modified graphite oxide and TDI are easy to react, and result is divided at modified graphite oxide Son introduces NCO.These characteristics strengthen the strong interaction between modified graphene oxide and nylon molecules, carry Both interface adhesions high.
Modified graphene oxide is used to be modified MC nylon processing, the tear-resistant modified complex loop of one prepared Protect rubber substrate and possess excellent combination property, on the basis of keeping the original hot strength of MC nylon and hardness, use Colophonium Base carbon fibre enhances the mechanical property of material and can adsorb greatly and the harmful gas of removing in tail gas and dust material, With the use of plasticizer, age resistor, self-control modified hydrotalcite, attapulgite clay, nano titanium oxide, nano-cerium oxide, rush Entering agent etc. for adjuvant, component raw material prepares reasonable science, and the composition of interpolation not only can have and effective ensures material of its protection not Easy firing, and the too high burning of temperature also will not produce harmful gas;Wherein, self-control modified hydrotalcite is by necessarily The magnesium aluminum-hydrotalcite of amount is scattered in after making serosity in the deionized water of de-CO2 and the NaH2PO4 2H2O of excess is dissolved in water institute Wiring solution-forming is poured slowly in serosity, and heated and stirred also regulates PH to about 3.7 with acetic acid, reacts 3 hours under reflux temperature, After natural cooling, with deionized water wash product the filtration of de-CO2 until filtrate PH=7, then it is dried and prepares, with mesh The brucite used on front market, has the most high temperature resistant, fire prevention, fire-retardant advantage.
Detailed description of the invention
For being fully understood by the purpose of the present invention, feature and effect, by following specific embodiment, the present invention is done in detail Describe in detail bright.
Embodiment one:
Under cryosel is bathed, adding 30ml concentrated sulphuric acid in the there-necked flask equipped with 1g graphite (325 mesh), mixture stirs at-15 DEG C After mixing 12 hours certain times of reaction, then 0 DEG C of stirring reaction 5 hours, it is then slowly added into 2g potassium permanganate, is warming up to 35 DEG C, after reaction certain time, add deionized water, then be warming up to 90 DEG C, be eventually adding H2O2Become golden yellow to product, obtain Graphite oxide solution, adds 0.2gCTAB in product, and graphite oxide settles the most rapidly, filters, washs, 50 DEG C vacuum drying 24 hours, i.e. obtains the modified graphene oxide modified with CTAB.
Embodiment 2
Under cryosel is bathed, adding 30ml concentrated sulphuric acid in the there-necked flask equipped with 1g graphite (325 mesh), mixture stirs at-10 DEG C After mixing 10 hours certain times of reaction, then 0 DEG C of stirring reaction 3 hours, it is then slowly added into 2.3g potassium permanganate, is warming up to 35 DEG C, after reaction certain time, add deionized water, then be warming up to 90 DEG C, be eventually adding H2O2Become golden yellow to product, To graphite oxide solution, adding 0.3gCTAB in product, graphite oxide settles the most rapidly, filters, washs, 50 DEG C are vacuum dried 24 hours, i.e. obtain the modified graphene oxide modified with CTAB.
Embodiment 3
Under cryosel is bathed, adding 30ml concentrated sulphuric acid in the there-necked flask equipped with 1g graphite (325 mesh), mixture stirs at-20 DEG C After mixing 12 hours certain times of reaction, then 0 DEG C of stirring reaction 6 hours, it is then slowly added into 3g potassium permanganate, is warming up to 35 DEG C, after reaction certain time, add deionized water, then be warming up to 90 DEG C, be eventually adding H2O2Become golden yellow to product, obtain Graphite oxide solution, adds 0.1gCTAB in product, and graphite oxide settles the most rapidly, filters, washs, 50 DEG C vacuum drying 24 hours, i.e. obtains the modified graphene oxide modified with CTAB.
B. the graphite oxide of high oxidation degree is prepared;
B. the graphite oxide using cetyl trimethylammonium bromide to obtain step a is modified processing, and to changing of obtaining Property graphite oxide use and ultrasonic obtain graphene oxide;
C. situ aggregation method is used to prepare MC nylon/modified graphene oxide nano composite material;
D. chlorohydrin rubber, nitrile rubber, acrylonitrile-butadiene copolymer rubber, diene rubber, butadiene-styrene rubber, regeneration rubber are added Glue, non-halogenated organophosphinate, hexamethylenetetramine, tri-methyl-amyl triethoxysilane, conductive mica powder, conductive nano Graphite powder, the trimer of polyisocyanates, polytetrafluoroethylene fibre, nanoparticle active agent, plasticizer, age resistor, nano-cerium oxide, Accelerator;
E. after remaining component being pulverized and mixed, standby after crossing 100-200 mesh screen;Stir prepared high temperature 90-100 DEG C Base material;
F. by compound, base material being extruded into adobe by vacuum extruder, the vacuum of vacuum extruder is 1.0-1.8Mpa, Extrusion pressure is 15-20Mpa;
Each component proportion described is: chlorohydrin rubber 90-100 part, nitrile rubber 20-30 part, acrylonitrile-butadiene copolymer rubber Glue 30-60 part, diene rubber 30-55 part, butadiene-styrene rubber 10-20 part, reclaimed rubber 20-30 part, graphene oxide 5-10 weight Part, non-halogenated organophosphinate 5-7 part, hexamethylenetetramine 8-10 part, tri-methyl-amyl triethoxysilane 2-4 part, lead Electricity mica powder 0.3-0.5 weight portion, conductive nano graphite powder 0.2-0.4 weight portion, the trimer 0.8-1 weight of polyisocyanates Part, polytetrafluoroethylene fibre 1-2 weight portion, nanoparticle active agent 20-30 weight portion, plasticizer 2-8 weight portion, age resistor 1-5 weight Amount part, nano-cerium oxide 6-14 weight portion, accelerator 2-6 weight portion;
G. by after the adobe of step (f) under field conditions (factors) dry in the sun 15 days at a temperature of 700 DEG C sinter molding;Base material is put into In Mechanical processing of casting machine, first adding pressurizing melting on vulcanizing press at foundry goods, melt temperature is 160-190 DEG C, after constant temperature 3-5h certainly So cooling.
In the present invention, the nitrile rubber modified phenolic resin of interpolation mixes with raw material, solidifies, at hexamethylenamine during heating Under the effect of the methylene decomposited, the three-dimensional-structure that melted resin cannot not rapidly transformed into meltedly by linear structure;Improvement machine Tool performance so that it is there is high temperature resistant, the performance of low bulk.The graphite oxide of high oxidation degree is prepared by low temperature two-phase method, And use CTAB to be modified processing to it, on the one hand improve graphene oxide dispersibility in MC nylon matrix, the opposing party Face, it is long to there is finishing time in graphene oxide in last handling process, the problem that technique is loaded down with trivial details, and this also constrains graphite oxide Alkene realizes application, uses CTAB to be added directly in graphite oxide solution, and while modification, CTAB is to graphite oxide Solution has carried out flocculation treatment, is substantially shorter the last handling process of graphite oxide, improves graphite oxide preparation efficiency, therefore, Use CTAB that graphite oxide is carried out post processing, while modification, shorten graphite oxide aftertreatment technology.Use modified MC nylon is modified by graphene oxide, and in the case of modified graphene oxide content is little, a kind of tear-resistant modification is multiple Rubber substrate is protected in cyclization just can reach good mechanical property.
Above example is the preferred embodiments of the present invention, and those skilled in the art draw according to technical scheme Rational technique scheme is also within scope.

Claims (6)

1. the preparation method of a tear-resistant modified composite environmental-friendly rubber substrate, it is characterised in that comprise the following steps:
The graphite oxide of preparation high oxidation degree;
B. the graphite oxide using cetyl trimethylammonium bromide to obtain step a is modified processing, and to changing of obtaining Property graphite oxide use and ultrasonic obtain graphene oxide;
C. situ aggregation method is used to prepare MC nylon/modified graphene oxide nano composite material;
D. chlorohydrin rubber, nitrile rubber, acrylonitrile-butadiene copolymer rubber, diene rubber, butadiene-styrene rubber, regeneration rubber are added Glue, non-halogenated organophosphinate, hexamethylenetetramine, tri-methyl-amyl triethoxysilane, conductive mica powder, conductive nano Graphite powder, the trimer of polyisocyanates, polytetrafluoroethylene fibre, nanoparticle active agent, plasticizer, age resistor, nano-cerium oxide, Accelerator;
E. after remaining component being pulverized and mixed, standby after crossing 100-200 mesh screen;Stir prepared high temperature 90-100 DEG C Base material;
F. by compound, base material being extruded into adobe by vacuum extruder, the vacuum of vacuum extruder is 1.0-1.8Mpa, Extrusion pressure is 15-20Mpa;
Each component proportion described is: chlorohydrin rubber 90-100 part, nitrile rubber 20-30 part, acrylonitrile-butadiene copolymer rubber Glue 30-60 part, diene rubber 30-55 part, butadiene-styrene rubber 10-20 part, reclaimed rubber 20-30 part, graphene oxide 5-10 weight Part, non-halogenated organophosphinate 5-7 part, hexamethylenetetramine 8-10 part, tri-methyl-amyl triethoxysilane 2-4 part, lead Electricity mica powder 0.3-0.5 weight portion, conductive nano graphite powder 0.2-0.4 weight portion, the trimer 0.8-1 weight of polyisocyanates Part, polytetrafluoroethylene fibre 1-2 weight portion, nanoparticle active agent 20-30 weight portion, plasticizer 2-8 weight portion, age resistor 1-5 weight Amount part, nano-cerium oxide 6-14 weight portion, accelerator 2-6 weight portion;
G. by after the adobe of step (f) under field conditions (factors) dry in the sun 15 days at a temperature of 700 DEG C sinter molding;Base material is put into In Mechanical processing of casting machine, first adding pressurizing melting on vulcanizing press at foundry goods, melt temperature is 160-190 DEG C, after constant temperature 3-5h certainly So cooling.
The preparation method of a kind of tear-resistant modified composite environmental-friendly rubber substrate the most as claimed in claim 1, it is characterised in that: Step a is prepared high oxidation degree graphite oxide include: added by concentrated sulphuric acid in graphite, through-20 DEG C ~-10 DEG C low temperature stirrings 5-12 hour, then after 0 DEG C ~ 5 DEG C stirrings 5-12 hour, add potassium permanganate and carry out oxidation reaction to obtain graphite oxide molten Liquid.
The preparation method of a kind of tear-resistant modified composite environmental-friendly rubber substrate the most as claimed in claim 1, it is characterised in that: Step b use cetyl trimethylammonium bromide (CTAB) graphene oxide modification is included: to obtain oxygen in step a Graphite solution is directly added into CTAB, CTAB graphite oxide is flocculated and modified-reaction to obtain modified graphite oxide molten Liquid.
4. the preparation method of a kind of tear-resistant modified composite environmental-friendly rubber substrate as described in claim 2-3, its feature exists In, graphite with the mass ratio of CTAB is: 10:1 ~ 20:1, and graphite with the mass ratio of potassium permanganate is: 1:1 ~ 1:5.
The preparation method of a kind of tear-resistant modified composite environmental-friendly rubber substrate the most as claimed in claim 1, it is characterised in that: In step c, use situ aggregation method to prepare MC nylon/modified graphene oxide nano composite material and include: caprolactam is added The modified graphene oxide solution that mass fraction is 0.05% ~ 5%, to 70 DEG C-100 DEG C to melted, is joined caprolactam and melts by heat Melting and add a certain amount of catalyst in liquid, decompression distillation removes by-product in 30-60 minute, is eventually adding a certain amount of activator, Pour in preheated mould after stirring rapidly, react 1-4 hour at 80-150 DEG C.
The preparation method of a kind of tear-resistant modified composite environmental-friendly rubber substrate the most as claimed in claim 5, it is characterised in that Described catalyst is sodium hydroxide, and described activator is 2,4 toluene diisocyanate (TDI).
CN201610617284.8A 2016-08-01 2016-08-01 Preparation method of tear-resistant modified composite environment-friendly rubber base material Pending CN106009603A (en)

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