CN108690532A - A kind of aramid fiber special hot pressing type conveyer belt rubberizing - Google Patents
A kind of aramid fiber special hot pressing type conveyer belt rubberizing Download PDFInfo
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- CN108690532A CN108690532A CN201810478983.8A CN201810478983A CN108690532A CN 108690532 A CN108690532 A CN 108690532A CN 201810478983 A CN201810478983 A CN 201810478983A CN 108690532 A CN108690532 A CN 108690532A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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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
- C08L2205/03—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
Abstract
The invention discloses a kind of aramid fiber special hot pressing type conveyer belt rubberizings, belong to field of adhesive technology.It counts in parts by weight,70~100 parts of ethylene propylene diene rubbers are weighed successively,20~35 parts of epoxy natural rubbers,3~5 parts of cumyl peroxides,0.5~1.2 part of accelerating agent,0.6~0.8 part of sulphur,8~12 parts of adhesive R33,10~12 parts of polyisobutene,5~6 parts of zinc oxide,1.5~2.5 parts of magnesia,The raw materials such as 1~2 part of stearic acid,By ethylene propylene diene rubber and epoxy natural rubber mixed milling,Obtain blend glue stuff,Blend glue stuff is mixed with zinc oxide,And sequentially add magnesia,Stearic acid,Accelerating agent,Polyisobutene,Blended antioxidant,Isocyanates,Cumyl peroxide and mixed carbon black,After being stirred,Blank must be pre-processed,Pretreatment blank is mixed with adhesive R33,Obtain blank,Blank is vulcanized,Obtain aramid fiber special hot pressing type conveyer belt rubberizing.Aramid fiber special hot pressing type conveyer belt rubberizing prepared by the present invention has excellent adhesive property.
Description
Technical field
The invention discloses a kind of aramid fiber special hot pressing type conveyer belt rubberizings, belong to field of adhesive technology.
Background technology
Aramid fiber has unique status in the high-performance fiber world.It is the very high fiber of intensity --- with identical weight
Based on, it is 5 times of steel strength;Its another excellent performance is high ratio tensional modulus(Stretch-proof)--- its toughness is
3 times of most common reinforcing fiber E- glass fibres.Rubber product framework material has steel wire, polyamide fibre, terylene, high-tenacity artificial
Silk, aramid fiber and various staple fibers, it is also higher and higher to the performance requirement of framework material according to the requirement of rubber product performance, to
High-tenacity, high-modulus development are the directions of rubber framework material from now on.Be applied to some rubber products aramid fiber and
Aramid fiber canvas is a kind of rising framework material, the intensity of its existing steel wire, and has the flexibility of fiber, there is inorganic fibre
The physical property of dimension and the processing performance of organic fiber have fabulous heat-resisting, corrosion-resistant, fatigue performance and dimensionally stable
Property.Although the original intention of exploitation aramid fiber is to be used for space industry, it has been widely used for consumption textile and industry weaving
Product obtain in the mechanical rubber goods such as advanced tyre cord, high-pressure hose, V bands, adhesive plaster, cable and gasket good at present
Good application.
Aramid fiber has been applied as conveyer belt framework material.It is valence to influence aramid fiber the main reason for promoting and applying
Lattice.In addition to this, for aramid fiber in rubber framework material application, product will carry out necessary adjustment from formula, technique, equipment,
More outstanding is adhesion problem.Due to the material that aramid fiber is made of height-oriented crystalline domains, without amorphous region, and
The steric hindrance of huge phenyl ring in molecule segment, keeps amide group more difficult and has an effect with other atoms or group, has chemistry
Inertia, thus aramid fiber is poor with the adhesion of matrix.
Therefore, the disadvantage for how improving conventional conveyor belt rubberizing adhesive property difference, to obtain the conveying of more high combination property
Band rubberizing is that it is promoted and applies, meets industrial production demand urgent problem to be solved.
Invention content
The present invention solves the technical problem of:For the disadvantage of conventional conveyor belt rubberizing adhesive property difference, provide
A kind of aramid fiber special hot pressing type conveyer belt rubberizing.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of aramid fiber special hot pressing type conveyer belt rubberizing, is made of the raw material of following parts by weight:
70~100 parts of ethylene propylene diene rubber
20~35 parts of epoxy natural rubber
3~5 parts of cumyl peroxide
0.5~1.2 part of accelerating agent
0.6~0.8 part of sulphur
8~12 parts of adhesive R33
10~12 parts of polyisobutene
5~6 parts of zinc oxide
1.5~2.5 parts of magnesia
1~2 part of stearic acid
8~10 parts of epoxy resin
2~3 parts of blended antioxidant
5~10 parts of isocyanates
70~80 parts of mixed carbon black
No. 1 10~18 parts of additive
No. 2 8~16 parts of additives
The preparation method of No. 1 additive is:
It counts in parts by weight, 40~50 parts of SEBS, 60~80 parts of acetone, 80~120 parts of hexamethylenes is taken to be stirred dissolving successively
Afterwards, the mixed oxidization liquid for adding 0.2~0.4 times of SEBS mass after constant temperature is stirred to react 3~5h, sequentially adds SEBS matter
The polymethyl methacrylate of 0.1~0.2 times of the ethylenediamine and SEBS mass of 0.01~0.03 times of amount continues constant temperature and is stirred to react
After 4~6h, vacuum distillation obtains modified SEBS;By modified SEBS and silane coupling agent in mass ratio 5:1~8:1 mixing, must mix
Modified SEBS;By mixed and modified SEBS and gelatin solution in mass ratio 1:10~1:14 mixing, after being stirred, obtain mixture,
By mixture and metabisulfite solution in mass ratio 1:3~1:After 5 are stirred, cooling must pre-process blank liquid, will pre-process base
Feed liquid and formalin in mass ratio 80:1~120:1 mixing, and the pH of pretreatment blank liquid and formalin mixture is adjusted,
Blank liquid is obtained, blank liquid is cured, washes, after freeze-drying, obtains pretreatment additive;In mass ratio by paraffin and calcium bicarbonate
5:1~8:1 mixing, and the pretreatment additive of 0.5~0.6 times of Quality of Paraffin Waxes is added, it impregnates, filters, freeze-drying obtains No. 1
Additive;
The preparation method of No. 2 additives is:
By methacrylic chloride and acetic anhydride in mass ratio 1:1~2:1 mixing, and sequentially add methacrylic chloride quality 3~4
Paraffin again, the carbon of 0.2~0.3 times of the polyethylene wax and methacrylic chloride quality that 0.3~0.4 times of methacrylic chloride quality
Sour hydrogen sodium, after being stirred, Freezing smashing obtains No. 2 additives;
The preparation method of the aramid fiber special hot pressing type conveyer belt rubberizing is:
It counts in parts by weight, weighs 70~100 parts of ethylene propylene diene rubbers successively, 20~35 parts of epoxy natural rubbers, 3~5 parts
Cumyl peroxide, 0.5~1.2 part of accelerating agent, 0.6~0.8 part of sulphur, 8~12 parts of adhesive R33,10~12 parts poly- different
Butylene, 5~6 parts of zinc oxide, 1.5~2.5 parts of magnesia, 1~2 part of stearic acid, 8~10 parts of epoxy resin, 2~3 parts of mixing are anti-
Old agent, 5~10 parts of isocyanates, 70~80 parts of mixed carbon blacks, 10~18 parts of No. 1 additives and 8~16 parts of No. 2 additives, will
Ethylene propylene diene rubber and epoxy natural rubber mixed milling, obtain blend glue stuff, blend glue stuff are mixed with zinc oxide, and successively
Magnesia, stearic acid, accelerating agent, polyisobutene, blended antioxidant, epoxy resin, isocyanates, cumyl peroxide is added
And mixed carbon black, after being stirred, pretreatment blank is obtained, pretreatment blank is mixed with adhesive R33, and No. 1 addition is added
Agent and No. 2 additives, are stirred, obtain blank, blank is vulcanized, and obtain aramid fiber special hot pressing type conveyer belt rubberizing.
The accelerating agent is 2- benzothiazolyl mercaptans or dibenzothiazyl disulfide.
The preparation method of the blended antioxidant is by anti-aging agent RD and antioxidant MB in mass ratio 1:1~2:1 mixing, obtains
Blended antioxidant.
The isocyanates is any one in monoisocyanates or toluene di-isocyanate(TDI).
The mixed carbon black is by N330 carbon blacks and N660 carbon blacks in mass ratio 1:1~1:2 mixing, and N330 carbon blacks are added
The white carbon that 0.1~0.2 times of quality, is stirred, and obtains mixed carbon black.
The SEBS is styrene ethylene butadiene-styrene block copolymer.
It is 25% hydrogen peroxide is 1.0 in mass ratio that the mixed oxidization liquid, which is by formic acid and mass fraction,:1.0~1.5:1.0
It mixes.
The paraffin is the mineral wax mixture that carbon atom number is 20~30.
The beneficial effects of the invention are as follows:
(1)No. 1 additive is added when preparing aramid fiber special hot pressing type conveyer belt rubberizing by the present invention, first, adds in No. 1 additive
Modified phenylethylene-ethylene-butadiene-styrene block copolymer, styrene ethylene butadiene-styrene are entered
Object is after epoxidation modification, and molecule segment polarity increases, each intermolecular work in it can increase product after being added in product
Firmly, to make the cohesive strength of product improve, and then the adhesion strength of product is made to improve, secondly, No. 1 additive is to be coated with
The microcapsule structure of modified phenylethylene-ethylene-butadiene-styrene block copolymer, and calcium bicarbonate is contained on surface, is being added
After in product, calcium bicarbonate can decompose in product preparation process, while can add No. 1 under the synergistic effect for melting paraffin oil
Agent is added to migrate to product surface, to which during product use, modified phenylethylene-ethylene-butadiene-styrene block is total
Polymers can occur to combine and wind with base-material, to make the adhesive fastness of product further increase;
(2)No. 2 additives are added when preparing aramid fiber special hot pressing type conveyer belt rubberizing by the present invention, on the one hand, in No. 2 additives
Methacrylic chloride and acetic anhydride are added, etching can be generated to base-material in hot pressing, after being added in product to make
Base-material activity improves, and then the adhesion strength of product is made to improve, another aspect, and sodium bicarbonate is added in No. 2 additives, can be
Product gradually decomposes during preparing meter use, the active ingredient in No. 2 additives is migrated to product surface, to make product
Adhesive fastness further increase.
Specific implementation mode
Count in parts by weight, take 40~50 parts of SEBS successively, 60~80 parts of acetone, 80~120 parts of hexamethylenes, by SEBS with
Acetone is added in flask, and hexamethylene is added into flask, and flask immigration digital display is tested the speed constant temperature blender with magnetic force, is in temperature
45~55 DEG C, under the conditions of rotating speed is 300~500r/min, constant temperature 45~60min of stirring and dissolving, then SEBS matter is added into flask
The mixed oxidization liquid of 0.2~0.4 times of amount is 55~70 DEG C in temperature, and constant temperature stirs under conditions of rotating speed is 250~300r/min
After reacting 3~5h, then the ethylenediamine and SEBS mass 0.1~0.2 of 0.01~0.03 times of SEBS mass is added into flask successively
Polymethyl methacrylate again, it is 85~95 DEG C to continue at temperature, and constant temperature stirs under conditions of rotating speed is 250~320r/min
After reacting 4~6h, material in flask is transferred to cucurbit, after being evaporated under reduced pressure 4~5h, obtains modified SEBS;By modified SEBS and silicon
Alkane coupling agent in mass ratio 5:1~8:1 mixing is 50~60 DEG C in temperature, under conditions of rotating speed is 200~300r/min, stirs
After mixing 30~40min of mixing, mixed and modified SEBS is obtained;The mixed and modified SEBS gelatin solutions for being 3~5% with mass fraction are pressed
Mass ratio 1:10~1:14 mixing are 50~70 DEG C in temperature, rotating speed is stirred 25 under conditions of being 200~400r/min~
After 55min, mixture is obtained, the metabisulfite solution in mass ratio 1 for being 20~28% by mixture and mass fraction:3~1:5 mixing,
It is 55~85 DEG C in temperature, under conditions of rotating speed is 200~350r/min, after being stirred 30~40min, obtains sodium sulphate mixing
Sodium sulphate mixture is cooled to 15~20 DEG C, must pre-process blank liquid by object, will pretreatment blank liquid and mass fraction be 30~
37% formalin in mass ratio 80:1~120:1 mixing is used in combination the sodium hydroxide solution that mass fraction is 8~12% to adjust pre-
The pH to 9.0~9.5 for handling blank liquid and formalin mixture, obtains blank liquid, by blank liquid in temperature be 12~18 DEG C
Under the conditions of solidification 30min after, filtering, obtain filter cake, filter cake washed, after freeze-drying, obtain pretreatment additive;By paraffin and carbon
Sour hydrogen calcium in mass ratio 5:1~8:1 mixing, and is added the pretreatment additive of 0.5~0.6 times of Quality of Paraffin Waxes, in temperature be 35
After impregnating 30~60min under conditions of~45 DEG C, filtering obtains filter residue, filter residue is freeze-dried, obtains No. 1 additive;By methyl-prop
Alkene acyl chlorides and acetic anhydride in mass ratio 1:1~2:1 is mixed in flask, and methacrylic chloride quality is added into flask successively
3~4 times of paraffin, 0.2~0.3 times of the polyethylene wax and methacrylic chloride quality that 0.3~0.4 times of methacrylic chloride quality
Sodium bicarbonate, in temperature be 28~40 DEG C, rotating speed be 200~320r/min under conditions of be stirred 30~60min after, obtain
Mixture Freezing smashing is obtained No. 2 additives by mixture;It counts in parts by weight, weighs 70~100 parts of ethylene-propylene-diene monomers successively
Glue, 20~35 parts of epoxy natural rubbers, 3~5 parts of cumyl peroxides, 0.5~1.2 part of accelerating agent, 0.6~0.8 part of sulphur
Sulphur, 8~12 parts of adhesive R33,10~12 parts of polyisobutene, 5~6 parts of zinc oxide, 1.5~2.5 parts of magnesia, 1~2 part of tristearin
Acid, 8~10 parts of epoxy resin, 2~3 parts of blended antioxidants, 5~10 parts of isocyanates, 70~80 parts of mixed carbon blacks, 10~18 parts
Ethylene propylene diene rubber and epoxy natural rubber are mixed in kneading machine, Yu Wen by No. 1 additive and 8~16 parts of No. 2 additives
After degree is kneaded 25~40min under conditions of being 150~220 DEG C, blend glue stuff is obtained, blend glue stuff is mixed with zinc oxide, and according to
It is secondary that magnesia, stearic acid, accelerating agent, polyisobutene, blended antioxidant, ring is added into the mixture of blend glue stuff and zinc oxide
Oxygen resin, isocyanates, cumyl peroxide and mixed carbon black are 80~120 DEG C in temperature, and rotating speed is 280~400r/
Under conditions of min, after being stirred 45~90min, pretreatment blank is obtained, pretreatment blank is mixed with adhesive R33, and to
It pre-processes blank and No. 1 additive and No. 2 additives is added in the mixture of adhesive R33, the item for being 80~120 DEG C in temperature
After being stirred 40~90min under part, blank is obtained, blank is moved into vulcanizer, sulphur under conditions of being 120~160 DEG C in temperature
After changing 30~40min, aramid fiber special hot pressing type conveyer belt rubberizing is obtained.The accelerating agent is 2- benzothiazolyl mercaptans or curing
Bisbenzothiazole.The preparation method of the blended antioxidant is by anti-aging agent RD and antioxidant MB in mass ratio 1:1~2:1 is mixed
It closes, obtains blended antioxidant.The isocyanates is any one in monoisocyanates or toluene di-isocyanate(TDI).The mixing charcoal
Black is by N330 carbon blacks and N660 carbon blacks in mass ratio 1:1~1:2 mixing, and the white of 0.1~0.2 times of N330 carbon black masses is added
Carbon black is stirred, and obtains mixed carbon black.The SEBS is styrene ethylene butadiene-styrene block copolymer.It is described mixed
It is 1.0 in mass ratio that close oxidation solution, which be by formic acid and mass fraction be 25% hydrogen peroxide,:1.0~1.5:1.0 mixing.It is described
Paraffin is the mineral wax mixture that carbon atom number is 20~30.
It counts in parts by weight, takes 50 parts of SEBS, 80 parts of acetone, 120 parts of hexamethylenes that flask is added in SEBS and acetone successively
In, and hexamethylene is added into flask, flask immigration digital display is tested the speed constant temperature blender with magnetic force, is 55 DEG C in temperature, rotating speed is
Under the conditions of 500r/min, constant temperature stirring and dissolving 60min, then the mixed oxidization liquid of 0.4 times of SEBS mass, Yu Wen is added into flask
Degree is 70 DEG C, after constant temperature is stirred to react 5h under conditions of rotating speed is 300r/min, then SEBS mass is added into flask successively
The polymethyl methacrylate of 0.03 times of 0.2 times of ethylenediamine and SEBS mass, it is 95 DEG C to continue at temperature, rotating speed 320r/
After constant temperature is stirred to react 6h under conditions of min, material in flask is transferred to cucurbit, after being evaporated under reduced pressure 5h, obtains modified SEBS;It will
Modified SEBS and silane coupling agent in mass ratio 8:1 mixing is 60 DEG C in temperature, under conditions of rotating speed is 300r/min, stirs
After mixing 40min, mixed and modified SEBS is obtained;The gelatin solution in mass ratio 1 for being 5% by mixed and modified SEBS and mass fraction:14
Mixing is 70 DEG C in temperature, after rotating speed is stirred 55min under conditions of being 400r/min, mixture is obtained, by mixture and matter
Measure the metabisulfite solution in mass ratio 1 that score is 28%:5 mixing are 85 DEG C in temperature, under conditions of rotating speed is 350r/min, stir
After mixing mixing 40min, sodium sulphate mixture is obtained, sodium sulphate mixture is cooled to 20 DEG C, blank liquid must be pre-processed, will be pre-processed
The formalin in mass ratio 120 that blank liquid is 37% with mass fraction:1 mixing, it is 12% sodium hydroxide that mass fraction, which is used in combination,
Solution adjusts the pH to 9.5 of pretreatment blank liquid and formalin mixture, obtains blank liquid, by blank liquid in temperature be 18 DEG C
Under the conditions of solidification 30min after, filtering, obtain filter cake, filter cake washed, after freeze-drying, obtain pretreatment additive;By paraffin and carbon
Sour hydrogen calcium in mass ratio 8:1 mixing, and the pretreatment additive of 0.6 times of Quality of Paraffin Waxes is added, under conditions of temperature is 45 DEG C
After impregnating 60min, filtering obtains filter residue, filter residue is freeze-dried, obtains No. 1 additive;Methacrylic chloride and acetic anhydride are pressed into matter
Measure ratio 2:1 is mixed in flask, and the paraffin of 4 times of methacrylic chloride quality, methacrylic chloride is added into flask successively
The sodium bicarbonate of 0.3 times of the polyethylene wax and methacrylic chloride quality that 0.4 times of quality, in temperature be 40 DEG C, rotating speed 320r/
After being stirred 60min under conditions of min, mixture is obtained, by mixture Freezing smashing, obtains No. 2 additives;In parts by weight
Meter weighs 100 parts of ethylene propylene diene rubbers, 35 parts of epoxy natural rubbers, 5 parts of cumyl peroxides, 1.2 parts of promotions successively
Agent, 0.8 part of sulphur, 12 parts of adhesive R33,12 parts of polyisobutene, 6 parts of zinc oxide, 2.5 parts of magnesia, 2 parts of stearic acid, 10 parts
Epoxy resin, 3 parts of blended antioxidants, 10 parts of isocyanates, 80 parts of mixed carbon blacks, 18 parts of No. 1 additives and 16 parts of No. 2 additions
Ethylene propylene diene rubber and epoxy natural rubber are mixed in kneading machine by agent, are kneaded under conditions of being 220 DEG C in temperature
After 40min, blend glue stuff is obtained, blend glue stuff is mixed with zinc oxide, and successively into the mixture of blend glue stuff and zinc oxide
Magnesia, stearic acid, accelerating agent, polyisobutene, blended antioxidant, epoxy resin, isocyanates, cumyl peroxide is added
And mixed carbon black, it is 120 DEG C in temperature, under conditions of rotating speed is 400r/min, after being stirred 90min, obtains pretreatment blank,
Pretreatment blank is mixed with adhesive R33, and No. 1 additive is added into the mixture of pretreatment blank and adhesive R33
Blank is obtained, blank is moved into vulcanizer, Yu Wen after being stirred 90min under conditions of being 120 DEG C in temperature with No. 2 additives
Under conditions of degree is 160 DEG C after vulcanization 40min, aramid fiber special hot pressing type conveyer belt rubberizing is obtained.The accelerating agent is 2- mercaptos
Benzothiazole.The preparation method of the blended antioxidant is by anti-aging agent RD and antioxidant MB in mass ratio 2:1 mixing, must mix
Anti-aging agent.The isocyanates is monoisocyanates.The mixed carbon black is by N330 carbon blacks and N660 carbon blacks in mass ratio 1:2
Mixing, and the white carbon of 0.2 times of N330 carbon black masses is added, it is stirred, obtains mixed carbon black.The SEBS is styrene-second
Alkene-butadiene-styrene block copolymer.It is 25% hydrogen peroxide by quality that the mixed oxidization liquid, which is by formic acid and mass fraction,
Than being 1.0:1.5:1.0 mixing.The paraffin is the mineral wax mixture that carbon atom number is 22~30.
It counts in parts by weight, takes 50 parts of SEBS, 80 parts of acetone, 120 parts of hexamethylenes that flask is added in SEBS and acetone successively
In, and hexamethylene is added into flask, flask immigration digital display is tested the speed constant temperature blender with magnetic force, is 55 DEG C in temperature, rotating speed is
Under the conditions of 500r/min, constant temperature stirring and dissolving 60min, then the mixed oxidization liquid of 0.4 times of SEBS mass, Yu Wen is added into flask
Degree is 70 DEG C, after constant temperature is stirred to react 5h under conditions of rotating speed is 300r/min, then SEBS mass is added into flask successively
The polymethyl methacrylate of 0.03 times of 0.2 times of ethylenediamine and SEBS mass, it is 95 DEG C to continue at temperature, rotating speed 320r/
After constant temperature is stirred to react 6h under conditions of min, material in flask is transferred to cucurbit, after being evaporated under reduced pressure 5h, obtains modified SEBS;It will
Modified SEBS and silane coupling agent in mass ratio 8:1 mixing is 60 DEG C in temperature, under conditions of rotating speed is 300r/min, stirs
After mixing 40min, mixed and modified SEBS is obtained;The gelatin solution in mass ratio 1 for being 5% by mixed and modified SEBS and mass fraction:14
Mixing is 70 DEG C in temperature, after rotating speed is stirred 55min under conditions of being 400r/min, mixture is obtained, by mixture and matter
Measure the metabisulfite solution in mass ratio 1 that score is 28%:5 mixing are 85 DEG C in temperature, under conditions of rotating speed is 350r/min, stir
After mixing mixing 40min, sodium sulphate mixture is obtained, sodium sulphate mixture is cooled to 20 DEG C, blank liquid must be pre-processed, will be pre-processed
The formalin in mass ratio 120 that blank liquid is 37% with mass fraction:1 mixing, it is 12% sodium hydroxide that mass fraction, which is used in combination,
Solution adjusts the pH to 9.5 of pretreatment blank liquid and formalin mixture, obtains blank liquid, by blank liquid in temperature be 18 DEG C
Under the conditions of solidification 30min after, filtering, obtain filter cake, filter cake washed, after freeze-drying, obtain pretreatment additive;By paraffin and carbon
Sour hydrogen calcium in mass ratio 8:1 mixing, and the pretreatment additive of 0.6 times of Quality of Paraffin Waxes is added, under conditions of temperature is 45 DEG C
After impregnating 60min, filtering obtains filter residue, filter residue is freeze-dried, obtains No. 1 additive;Methacrylic chloride and acetic anhydride are pressed into matter
Measure ratio 2:1 is mixed in flask, and the paraffin of 4 times of methacrylic chloride quality, methacrylic chloride is added into flask successively
The sodium bicarbonate of 0.3 times of the polyethylene wax and methacrylic chloride quality that 0.4 times of quality, in temperature be 40 DEG C, rotating speed 320r/
After being stirred 60min under conditions of min, mixture is obtained, by mixture Freezing smashing, obtains No. 2 additives;In parts by weight
Meter weighs 100 parts of ethylene propylene diene rubbers, 35 parts of epoxy natural rubbers, 5 parts of cumyl peroxides, 1.2 parts of promotions successively
Agent, 0.8 part of sulphur, 12 parts of adhesive R33,12 parts of polyisobutene, 6 parts of zinc oxide, 2.5 parts of magnesia, 2 parts of stearic acid, 10 parts
Epoxy resin, 3 parts of blended antioxidants, 80 parts of mixed carbon blacks, 18 parts of No. 1 additives and 16 parts of No. 2 additives, by ethylene-propylene-diene monomer
Glue is mixed in epoxy natural rubber in kneading machine, after being kneaded 40min under conditions of being 220 DEG C in temperature, obtains blend glue stuff,
Blend glue stuff is mixed with zinc oxide, and magnesia is added into the mixture of blend glue stuff and zinc oxide successively, stearic acid promotees
Into agent, polyisobutene, blended antioxidant, epoxy resin, cumyl peroxide and mixed carbon black, in temperature be 120 DEG C, rotating speed
Under conditions of 400r/min, after being stirred 90min, pretreatment blank is obtained, pretreatment blank is mixed with adhesive R33,
And No. 1 additive and No. 2 additives, the item for being 120 DEG C in temperature are added into the mixture of pretreatment blank and adhesive R33
After being stirred 90min under part, blank is obtained, blank is moved into vulcanizer, under conditions of being 160 DEG C in temperature after vulcanization 40min,
Obtain aramid fiber special hot pressing type conveyer belt rubberizing.The accelerating agent is 2- benzothiazolyl mercaptans.The preparation of the blended antioxidant
Method is by anti-aging agent RD and antioxidant MB in mass ratio 2:1 mixing, obtains blended antioxidant.The mixed carbon black is by N330 charcoals
Black and N660 carbon blacks in mass ratio 1:2 mixing, and the white carbon of 0.2 times of N330 carbon black masses is added, it is stirred, obtains mixing charcoal
It is black.The SEBS is styrene ethylene butadiene-styrene block copolymer.The mixed oxidization liquid is by formic acid and quality
Score is that 25% hydrogen peroxide is 1.0 in mass ratio:1.5:1.0 mixing.The paraffin is the paraffin that carbon atom number is 22~30
Mixture.
By methacrylic chloride and acetic anhydride in mass ratio 2:1 is mixed in flask, and methyl is added into flask successively
The paraffin that 4 times of acryloyl chloride quality, 0.3 times of the polyethylene wax and methacrylic chloride quality that 0.4 times of methacrylic chloride quality
Sodium bicarbonate, in temperature be 40 DEG C, rotating speed be 320r/min under conditions of be stirred 60min after, obtain mixture, will mix
Object Freezing smashing obtains No. 2 additives;It counts in parts by weight, weighs 100 parts of ethylene propylene diene rubbers successively, 35 parts of epoxidations are natural
Rubber, 5 parts of cumyl peroxides, 1.2 parts of accelerating agents, 0.8 part of sulphur, 12 parts of adhesive R33,12 parts of polyisobutene, 6 parts of oxygen
Change zinc, 2.5 parts of magnesia, 2 parts of stearic acid, 10 parts of epoxy resin, 3 parts of blended antioxidants, 10 parts of isocyanates, 80 parts of mixing charcoals
Ethylene propylene diene rubber and epoxy natural rubber are mixed in kneading machine by black and 16 parts of No. 2 additives, in temperature be 220 DEG C
Under conditions of be kneaded 40min after, obtain blend glue stuff, blend glue stuff mix with zinc oxide, and successively to blend glue stuff and aoxidize
Magnesia, stearic acid, accelerating agent, polyisobutene, blended antioxidant, epoxy resin, isocyanates, mistake are added in the mixture of zinc
Aoxidize diisopropylbenzene (DIPB) and mixed carbon black, in temperature be 120 DEG C, under conditions of rotating speed is 400r/min, after being stirred 90min,
Blank must be pre-processed, pretreatment blank is mixed with adhesive R33, and into the mixture of pretreatment blank and adhesive R33
No. 2 additives are added, after being stirred 90min under conditions of being 120 DEG C in temperature, obtains blank, blank is moved into vulcanizer, in
Under conditions of temperature is 160 DEG C after vulcanization 40min, aramid fiber special hot pressing type conveyer belt rubberizing is obtained.The accelerating agent is 2- mercaptan
Base benzothiazole.The preparation method of the blended antioxidant is by anti-aging agent RD and antioxidant MB in mass ratio 2:1 mixing, obtains mixed
Close anti-aging agent.The isocyanates is monoisocyanates.The mixed carbon black be by N330 carbon blacks and N660 carbon blacks in mass ratio
1:2 mixing, and the white carbon of 0.2 times of N330 carbon black masses is added, it is stirred, obtains mixed carbon black.The paraffin is carbon atom
The mineral wax mixture that number is 22~30.
It counts in parts by weight, takes 50 parts of SEBS, 80 parts of acetone, 120 parts of hexamethylenes that flask is added in SEBS and acetone successively
In, and hexamethylene is added into flask, flask immigration digital display is tested the speed constant temperature blender with magnetic force, is 55 DEG C in temperature, rotating speed is
Under the conditions of 500r/min, constant temperature stirring and dissolving 60min, then the mixed oxidization liquid of 0.4 times of SEBS mass, Yu Wen is added into flask
Degree is 70 DEG C, after constant temperature is stirred to react 5h under conditions of rotating speed is 300r/min, then SEBS mass is added into flask successively
The polymethyl methacrylate of 0.03 times of 0.2 times of ethylenediamine and SEBS mass, it is 95 DEG C to continue at temperature, rotating speed 320r/
After constant temperature is stirred to react 6h under conditions of min, material in flask is transferred to cucurbit, after being evaporated under reduced pressure 5h, obtains modified SEBS;It will
Modified SEBS and silane coupling agent in mass ratio 8:1 mixing is 60 DEG C in temperature, under conditions of rotating speed is 300r/min, stirs
After mixing 40min, mixed and modified SEBS is obtained;The gelatin solution in mass ratio 1 for being 5% by mixed and modified SEBS and mass fraction:14
Mixing is 70 DEG C in temperature, after rotating speed is stirred 55min under conditions of being 400r/min, mixture is obtained, by mixture and matter
Measure the metabisulfite solution in mass ratio 1 that score is 28%:5 mixing are 85 DEG C in temperature, under conditions of rotating speed is 350r/min, stir
After mixing mixing 40min, sodium sulphate mixture is obtained, sodium sulphate mixture is cooled to 20 DEG C, blank liquid must be pre-processed, will be pre-processed
The formalin in mass ratio 120 that blank liquid is 37% with mass fraction:1 mixing, it is 12% sodium hydroxide that mass fraction, which is used in combination,
Solution adjusts the pH to 9.5 of pretreatment blank liquid and formalin mixture, obtains blank liquid, by blank liquid in temperature be 18 DEG C
Under the conditions of solidification 30min after, filtering, obtain filter cake, filter cake washed, after freeze-drying, obtain pretreatment additive;By paraffin and carbon
Sour hydrogen calcium in mass ratio 8:1 mixing, and the pretreatment additive of 0.6 times of Quality of Paraffin Waxes is added, under conditions of temperature is 45 DEG C
After impregnating 60min, filtering obtains filter residue, filter residue is freeze-dried, obtains No. 1 additive;It counts in parts by weight, weighs 100 parts successively
Ethylene propylene diene rubber, 35 parts of epoxy natural rubbers, 5 parts of cumyl peroxides, 1.2 parts of accelerating agents, 0.8 part of sulphur, 12 parts
Adhesive R33,12 parts of polyisobutene, 6 parts of zinc oxide, 2.5 parts of magnesia, 2 parts of stearic acid, 10 parts of epoxy resin, 3 parts of mixing are anti-
Old agent, 10 parts of isocyanates, 80 parts of mixed carbon blacks, 18 parts of No. 1 additives mix ethylene propylene diene rubber and epoxy natural rubber
Together in kneading machine, after being kneaded 40min under conditions of being 220 DEG C in temperature, blend glue stuff is obtained, blend glue stuff and zinc oxide are mixed
It closes, and magnesia is added into the mixture of blend glue stuff and zinc oxide successively, stearic acid, accelerating agent, polyisobutene, mixing is anti-
Old agent, epoxy resin, isocyanates, cumyl peroxide and mixed carbon black, in temperature be 120 DEG C, rotating speed 400r/min
Under conditions of, after being stirred 90min, pretreatment blank is obtained, pretreatment blank is mixed with adhesive R33, and to pretreatment
Blank and No. 1 additive of addition in the mixture of adhesive R33, after being stirred 90min under conditions of being 120 DEG C in temperature,
Blank is obtained, blank is moved into vulcanizer, under conditions of being 160 DEG C in temperature after vulcanization 40min, obtains the conveying of aramid fiber special hot pressing type
Band rubberizing.The accelerating agent is 2- benzothiazolyl mercaptans.The preparation method of the blended antioxidant is by anti-aging agent RD and to prevent
Old agent MB in mass ratio 2:1 mixing, obtains blended antioxidant.The isocyanates is monoisocyanates.The mixed carbon black is will
N330 carbon blacks and N660 carbon blacks in mass ratio 1:2 mixing, and the white carbon of 0.2 times of N330 carbon black masses is added, it is stirred, obtains
Mixed carbon black.The SEBS is styrene ethylene butadiene-styrene block copolymer.The mixed oxidization liquid is by formic acid
With mass fraction be 25% hydrogen peroxide it is 1.0 in mass ratio:1.5:1.0 mixing.The paraffin is that carbon atom number is 22~30
Mineral wax mixture.
Comparative example:The conveyer belt rubberizing of Hunan new material Co., Ltd production.
The aramid fiber special hot pressing type conveyer belt rubberizing of 1 to 4 gained of example and comparative example product are subjected to performance detection, specifically
Detection method is as follows:
Adhesive property:Test specimen interlayer bonding strength is detected according to GB/T6759.
Specific testing result is as shown in table 1:
Table 1:The specific testing result of adhesive property
| Detection project | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example |
| Interlayer bonding strength(N/mm) | 13.74 | 12.38 | 10.34 | 10.66. | 9.25 |
By 1 testing result of table it is found that the aramid fiber special hot pressing type conveyer belt rubberizing of technical solution of the present invention preparation is with excellent
Adhesive property has broad prospects in the development of conveyer belt rubberizing industry.
Claims (8)
1. a kind of aramid fiber special hot pressing type conveyer belt rubberizing, which is characterized in that be made of the raw material of following parts by weight:
70~100 parts of ethylene propylene diene rubber
20~35 parts of epoxy natural rubber
3~5 parts of cumyl peroxide
0.5~1.2 part of accelerating agent
0.6~0.8 part of sulphur
8~12 parts of adhesive R33
10~12 parts of polyisobutene
5~6 parts of zinc oxide
1.5~2.5 parts of magnesia
1~2 part of stearic acid
8~10 parts of epoxy resin
2~3 parts of blended antioxidant
5~10 parts of isocyanates
70~80 parts of mixed carbon black
No. 1 10~18 parts of additive
No. 2 8~16 parts of additives
The preparation method of No. 1 additive is:
It counts in parts by weight, 40~50 parts of SEBS, 60~80 parts of acetone, 80~120 parts of hexamethylenes is taken to be stirred dissolving successively
Afterwards, the mixed oxidization liquid for adding 0.2~0.4 times of SEBS mass after constant temperature is stirred to react 3~5h, sequentially adds SEBS matter
The polymethyl methacrylate of 0.1~0.2 times of the ethylenediamine and SEBS mass of 0.01~0.03 times of amount continues constant temperature and is stirred to react
After 4~6h, vacuum distillation obtains modified SEBS;By modified SEBS and silane coupling agent in mass ratio 5:1~8:1 mixing, must mix
Modified SEBS;By mixed and modified SEBS and gelatin solution in mass ratio 1:10~1:14 mixing, after being stirred, obtain mixture,
By mixture and metabisulfite solution in mass ratio 1:3~1:After 5 are stirred, cooling must pre-process blank liquid, will pre-process base
Feed liquid and formalin in mass ratio 80:1~120:1 mixing, and the pH of pretreatment blank liquid and formalin mixture is adjusted,
Blank liquid is obtained, blank liquid is cured, washes, after freeze-drying, obtains pretreatment additive;In mass ratio by paraffin and calcium bicarbonate
5:1~8:1 mixing, and the pretreatment additive of 0.5~0.6 times of Quality of Paraffin Waxes is added, it impregnates, filters, freeze-drying obtains No. 1
Additive;
The preparation method of No. 2 additives is:
By methacrylic chloride and acetic anhydride in mass ratio 1:1~2:1 mixing, and sequentially add methacrylic chloride quality 3~4
Paraffin again, the carbon of 0.2~0.3 times of the polyethylene wax and methacrylic chloride quality that 0.3~0.4 times of methacrylic chloride quality
Sour hydrogen sodium, after being stirred, Freezing smashing obtains No. 2 additives;
The preparation method of the aramid fiber special hot pressing type conveyer belt rubberizing is:
It counts in parts by weight, weighs 70~100 parts of ethylene propylene diene rubbers successively, 20~35 parts of epoxy natural rubbers, 3~5 parts
Cumyl peroxide, 0.5~1.2 part of accelerating agent, 0.6~0.8 part of sulphur, 8~12 parts of adhesive R33,10~12 parts poly- different
Butylene, 5~6 parts of zinc oxide, 1.5~2.5 parts of magnesia, 1~2 part of stearic acid, 8~10 parts of epoxy resin, 2~3 parts of mixing are anti-
Old agent, 5~10 parts of isocyanates, 70~80 parts of mixed carbon blacks, 10~18 parts of No. 1 additives and 8~16 parts of No. 2 additives, will
Ethylene propylene diene rubber and epoxy natural rubber mixed milling, obtain blend glue stuff, blend glue stuff are mixed with zinc oxide, and successively
Magnesia, stearic acid, accelerating agent, polyisobutene, blended antioxidant, epoxy resin, isocyanates, cumyl peroxide is added
And mixed carbon black, after being stirred, pretreatment blank is obtained, pretreatment blank is mixed with adhesive R33, and No. 1 addition is added
Agent and No. 2 additives, are stirred, obtain blank, blank is vulcanized, and obtain aramid fiber special hot pressing type conveyer belt rubberizing.
2. a kind of aramid fiber special hot pressing type conveyer belt rubberizing according to claim 1, it is characterised in that:The accelerating agent is 2-
Benzothiazolyl mercaptan or dibenzothiazyl disulfide.
3. a kind of aramid fiber special hot pressing type conveyer belt rubberizing according to claim 1, it is characterised in that:The blended antioxidant
Preparation method be by anti-aging agent RD and antioxidant MB in mass ratio 1:1~2:1 mixing, obtains blended antioxidant.
4. a kind of aramid fiber special hot pressing type conveyer belt rubberizing according to claim 1, it is characterised in that:The isocyanates is
Any one in monoisocyanates or toluene di-isocyanate(TDI).
5. a kind of aramid fiber special hot pressing type conveyer belt rubberizing according to claim 1, it is characterised in that:The mixed carbon black is
By N330 carbon blacks and N660 carbon blacks in mass ratio 1:1~1:2 mixing, and the hard charcoal of 0.1~0.2 times of N330 carbon black masses is added
It is black, it is stirred, obtains mixed carbon black.
6. a kind of aramid fiber special hot pressing type conveyer belt rubberizing according to claim 1, it is characterised in that:The SEBS is benzene second
Alkene-ethylene-butadiene-styrene block copolymer.
7. a kind of aramid fiber special hot pressing type conveyer belt rubberizing according to claim 1, it is characterised in that:The mixed oxidization liquid
Be by formic acid and mass fraction be 25% hydrogen peroxide it is 1.0 in mass ratio:1.0~1.5:1.0 mixing.
8. a kind of aramid fiber special hot pressing type conveyer belt rubberizing according to claim 1, it is characterised in that:The paraffin is that carbon is former
The mineral wax mixture that subnumber is 20~30.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115124788A (en) * | 2022-07-15 | 2022-09-30 | 安徽工程大学 | High-strength high-toughness modified ethylene propylene diene monomer rubber and preparation method thereof |
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| CN102337092A (en) * | 2011-07-22 | 2012-02-01 | 北京化工大学 | Adhesive layer rubber material for high-temperature-resistant canvas conveyor belt and using method thereof |
| CN102942714A (en) * | 2012-10-17 | 2013-02-27 | 无锡宝通带业股份有限公司 | Energy-saving high strength aramid fiber conveyer belt and preparation method thereof |
| CN103242777A (en) * | 2013-04-28 | 2013-08-14 | 北京化工大学 | Bonding layer rubber material for high-temperature resistant aramid fiber canvas core conveyer belt, and using method of bonding layer rubber material |
| CN104231976A (en) * | 2014-09-29 | 2014-12-24 | 山西德邦橡胶制品有限公司 | Heat-resistant conveyor belt covering rubber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337092A (en) * | 2011-07-22 | 2012-02-01 | 北京化工大学 | Adhesive layer rubber material for high-temperature-resistant canvas conveyor belt and using method thereof |
| CN102942714A (en) * | 2012-10-17 | 2013-02-27 | 无锡宝通带业股份有限公司 | Energy-saving high strength aramid fiber conveyer belt and preparation method thereof |
| CN103242777A (en) * | 2013-04-28 | 2013-08-14 | 北京化工大学 | Bonding layer rubber material for high-temperature resistant aramid fiber canvas core conveyer belt, and using method of bonding layer rubber material |
| CN104231976A (en) * | 2014-09-29 | 2014-12-24 | 山西德邦橡胶制品有限公司 | Heat-resistant conveyor belt covering rubber |
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| CN115124788A (en) * | 2022-07-15 | 2022-09-30 | 安徽工程大学 | High-strength high-toughness modified ethylene propylene diene monomer rubber and preparation method thereof |
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Application publication date: 20181023 |