CN116376178A - Sizing material for heat-insulating, burning-resistant and high-heat-resistant conveyor belt - Google Patents
Sizing material for heat-insulating, burning-resistant and high-heat-resistant conveyor belt Download PDFInfo
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- CN116376178A CN116376178A CN202310431394.5A CN202310431394A CN116376178A CN 116376178 A CN116376178 A CN 116376178A CN 202310431394 A CN202310431394 A CN 202310431394A CN 116376178 A CN116376178 A CN 116376178A
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- insulating
- conveyor belt
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- 239000000463 material Substances 0.000 title claims abstract description 41
- 238000004513 sizing Methods 0.000 title claims abstract description 25
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000004760 aramid Substances 0.000 claims abstract description 33
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 33
- 229910052796 boron Inorganic materials 0.000 claims abstract description 33
- 239000000835 fiber Substances 0.000 claims abstract description 33
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 33
- 238000002679 ablation Methods 0.000 claims abstract description 31
- 229920001971 elastomer Polymers 0.000 claims abstract description 26
- 239000005060 rubber Substances 0.000 claims abstract description 26
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000006229 carbon black Substances 0.000 claims abstract description 23
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 21
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 21
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 21
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000008117 stearic acid Substances 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 17
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims abstract description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 11
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 8
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 7
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 5
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical group BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims description 27
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical group C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 claims description 21
- 238000002360 preparation method Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004480 active ingredient Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract description 40
- 239000011787 zinc oxide Substances 0.000 abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 29
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 12
- 239000003963 antioxidant agent Substances 0.000 description 12
- 230000003078 antioxidant effect Effects 0.000 description 12
- 238000004073 vulcanization Methods 0.000 description 10
- 238000011049 filling Methods 0.000 description 9
- 238000010304 firing Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 238000004939 coking Methods 0.000 description 3
- -1 sintered ore Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- RPJGYLSSECYURW-UHFFFAOYSA-K antimony(3+);tribromide Chemical compound Br[Sb](Br)Br RPJGYLSSECYURW-UHFFFAOYSA-K 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229920000891 common polymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Belt Conveyors (AREA)
Abstract
The invention discloses a heat-insulating, anti-burning and high-heat-resistant sizing material for a conveyor belt, and belongs to the technical field of rubber. The sizing material comprises the following raw materials in parts by mass: 100 parts of ethylene propylene diene monomer, 8 parts of zinc oxide, 1 part of stearic acid, 1-4 parts of anti-aging agent, 35 parts of carbon black, 20 parts of paraffin oil, 7 parts of dicumyl peroxide, 0.2-2 parts of co-crosslinking agent, 10-30 parts of bromine-containing flame retardant and Sb 2 O 3 5-20 parts of zinc borate, 5-20 parts of ablation-resistant boron resin, 15-20 parts of aramid short fiber and 5-8 parts of aramid short fiber. The sizing material has good burning resistance and high temperature resistance, can form a compact carbon layer under the condition of high temperature, and can cover the surface of a conveyor belt to effectively protect the conveyor belt at the lower layer.
Description
Technical Field
The invention relates to the technical field of rubber, in particular to a heat-insulating, anti-burning and high-heat-resistant rubber material for a conveyor belt.
Background
The high-temperature resistant conveyer belt is widely applied to high-temperature working environments such as metallurgy, coking, building materials and the like, mainly conveys high-temperature solid materials such as sintered ore, coke, cement and the like, and has high heat resistance and burning resistance because the temperature instantaneous temperature of the materials can reach 400-600 ℃ and the temperature of the materials is partially more than 800 ℃ due to insufficient cooling, and a layer of high-temperature resistant rubber layer is generally covered on the conveyer belt. Ethylene propylene rubber (EPDM/EPM) has excellent high and low temperature resistance (-50 ℃ to 125 ℃) and the best heat resistance among general purpose rubbers, can be used for a long period of time at 125 ℃ and can be used for a short period of time at 150 ℃ or more, and therefore it can be used as a heat-resistant conveyor belt cover rubber material. However, the material temperature in metallurgical, coking and building material industries can reach 400 ℃ to 600 ℃ instantaneously, the sintering material in the sintering process in the metallurgical industry can reach 800 ℃ to 1000 ℃ at the highest time, even the ethylene propylene rubber with the best heat resistance can not meet the high requirements of the high-temperature working environment on the burning resistance and the high-temperature resistance of the high-temperature resistant conveyer belt, and the development of the heat-insulating burning-resistant high-heat-resistant conveyer belt sizing material with good high-temperature resistance and burning resistance is necessary.
Disclosure of Invention
The invention aims to provide a heat-insulating, anti-burning and high-heat-resistant rubber material for a conveyor belt, so as to solve the problems in the prior art.
In order to achieve the above object, the present invention provides the following solutions:
one of the technical schemes of the invention is as follows: the heat-insulating, anti-burning and high-heat-resistant rubber material for the conveyor belt comprises the following raw materials in parts by weight: 100 parts of ethylene propylene diene monomer, 8 parts of zinc oxide, 1 part of stearic acid, 1-4 parts of anti-aging agent, 35 parts of carbon black, 20 parts of paraffin oil, 7 parts of dicumyl peroxide, 0.2-2 parts of co-crosslinking agent, 10-30 parts of bromine-containing flame retardant and Sb 2 O 3 5-20 parts of zinc borate, 5-20 parts of ablation-resistant boron resin, 15-20 parts of aramid short fiber and 5-8 parts of aramid short fiber.
Further, the anti-aging agent is a mixture of the anti-aging agent RD and the anti-aging agent MB, and the mass ratio of the anti-aging agent RD to the anti-aging agent MB is 1:0.5-2.
Further, the content of the active ingredient of dicumyl peroxide (DCP) is more than or equal to 40 wt%.
Further, the co-crosslinking agent is triallyl isocyanurate (TAIC).
Further, the bromine-containing flame retardant is decabromodiphenyl ether.
Further, the ablation-resistant boron resin is a boron phenolic resin (FB resin).
Further, the free phenol content of the boron phenolic resin (FB resin) is 7wt.% or less.
Further, the length of the aramid short fiber is 3-5 mm.
The second technical scheme of the invention is as follows: the preparation method of the heat-insulating, anti-burning and high-heat-resistant rubber material for the conveyor belt comprises the following steps: weighing the raw materials according to the parts by weight, uniformly mixing all the raw materials, thinning, discharging sheets, standing, cutting and vulcanizing to obtain the heat-insulating anti-burning high-heat-resistant rubber material for the conveyer belt.
Further, the parking time is 12h.
Further, the vulcanizing pressure is 15MPa, the vulcanizing temperature is 160 ℃, and the vulcanizing time is 35min.
Further, vulcanizing moulds with different specifications and sizes are selected for vulcanization according to the required sizes, and the heat-insulating, burning-resistant and high-heat-resistant rubber material for the conveying belt with different sizes is obtained.
Further, the cutting is carried out according to the specification and the size of the vulcanization mould and the size of the sizing material for the heat-insulating, anti-burning and high-heat-resistant conveyer belt to be finally prepared.
The invention discloses the following technical effects:
(1) The invention adds bromine-containing flame retardant and Sb into an ethylene propylene diene monomer system 2 O 3 Zinc borate, ablation-resistant boron resin and aramid short fibers, the burning resistance and the high temperature resistance of ethylene propylene diene monomer rubber are effectively improved, and the adhesive for the heat-insulating, burning-resistant and high-heat-resistant conveyer belt is obtainedAnd (5) material.
(2) The invention uses decabromodiphenyl ether and Sb 2 O 3 The bond energy of C-Br bond in decabromodiphenyl ether is lower, the bond energy is decomposed at 200 ℃ to 300 ℃, the decomposition range of the bond energy is just equal to or close to the decomposition temperature range of common polymers, the decomposed bromine free radical can react with matrix high polymer materials to generate hydrogen bromide, and the hydrogen bromide can react with hydrogen free radical generated by pyrolysis of the high polymer materials, so that the chain reaction of thermal decomposition is inhibited; sb (Sb) 2 O 3 The generated antimony bromide is used together with bromine to stop the free radical reaction, so that the flame retardant effect is improved; in addition, sb 2 O 3 Has certain promoting effect on the concentrated carbon phase; the zinc borate can generate a protective coating layer when the polymer burns, isolate air and have a small amount of crystal water to be separated, so that the combustible gas can be diluted and the combustion temperature can be reduced; the three flame retardants cooperate to effectively improve the burning resistance and high temperature resistance of the sizing material. Meanwhile, the ablation-resistant boron resin and the aramid short fibers are added into the sizing system, the ablation-resistant boron resin further improves the ablation resistance of the sizing, and the addition of the aramid short fibers further improves the performances of flame retardance, carbon formation, burning resistance, impact resistance and the like of the sizing. The sizing material can form a compact carbon layer under the condition of high temperature, and can cover the surface of the conveyor belt, thereby effectively protecting the conveyor belt at the lower layer.
(3) The sizing material for the heat-insulating, anti-burning and high-heat-resistant conveyor belt has wide application prospect in high-temperature-resistant conveyor belts in high-temperature industries such as metallurgy, coking and building materials.
Detailed Description
Various exemplary embodiments of the invention will now be described in detail, which should not be considered as limiting the invention, but rather as more detailed descriptions of certain aspects, features and embodiments of the invention.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In addition, for numerical ranges in this disclosure, it is understood that each intermediate value between the upper and lower limits of the ranges is also specifically disclosed. Every smaller range between any stated value or stated range, and any other stated value or intermediate value within the stated range, is also encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.
Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only preferred methods and materials are described herein, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention. All documents mentioned in this specification are incorporated by reference for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the invention described herein without departing from the scope or spirit of the invention. Other embodiments will be apparent to those skilled in the art from consideration of the specification of the present invention. The specification and examples are exemplary only.
As used herein, the terms "comprising," "including," "having," "containing," and the like are intended to be inclusive and mean an inclusion, but not limited to.
The raw materials used in the following examples and comparative examples are commercially available unless otherwise specified; the parts are mass parts; the ethylene propylene diene monomer rubber is EPDM5260Q, the carbon black is carbon black N330, the content of the active ingredient of dicumyl peroxide is 40 wt% (DCP-40), the ablation-resistant boron resin (FB resin) is FB-90, and the length of the aramid staple fiber is 3mm.
Example 1
The raw materials of the heat-insulating, anti-burning and high-heat-resistant rubber material for the conveyor belt comprise the following components (basic formula): EPDM5260100 parts of Q, 8 parts of zinc oxide, 1 part of stearic acid, 2 parts of an anti-aging agent RD 2 parts of an anti-aging agent MB 2 parts of carbon black N33035 parts, 20 parts of paraffin oil, 7 parts of dicumyl peroxide (DCP-40), 1.5 parts of TAIC, 20 parts of decabromodiphenyl ether and Sb 2 O 3 15 parts of zinc borate, 10 parts of ablation-resistant boron resin (FB-90), 20 parts of aramid short fibers and 5 parts of aramid short fibers.
The preparation method comprises the following steps:
EPDM5260Q, zinc oxide, stearic acid, antioxidant RD, antioxidant MB, carbon black N330, paraffin oil, DCP-40, TAIC, decabromodiphenyl ether, sb 2 O 3 Uniformly mixing zinc borate, ablation-resistant boron resin and aramid short fibers on an open mill, thinning, discharging, cutting pieces after the rubber compound is parked for 12 hours, filling a die, vulcanizing, wherein the vulcanizing pressure is 15MPa, the vulcanizing temperature is 160 ℃, and the vulcanizing time is 35 minutes.
Example 2
The raw materials of the heat-insulating, anti-burning and high-heat-resistant rubber material for the conveyor belt comprise the following components (basic formula): EPDM5260Q100 parts, zinc oxide 8 parts, stearic acid 1 part, antioxidant RD 0.5 parts, antioxidant MB 0.5 parts, carbon black N33035 parts, paraffin oil 20 parts, dicumyl peroxide (DCP-40) 7 parts, TAIC 0.2 parts, decabromodiphenyl ether 10 parts, sb 2 O 3 5 parts of zinc borate, 15 parts of ablation-resistant boron resin (FB-90) and 5 parts of aramid short fibers.
The preparation method comprises the following steps:
EPDM5260Q, zinc oxide, stearic acid, antioxidant RD, antioxidant MB, carbon black N330, paraffin oil, DCP-40, TAIC, decabromodiphenyl ether, sb 2 O 3 Uniformly mixing zinc borate, ablation-resistant boron resin and aramid short fibers on an open mill, thinning, discharging, cutting pieces after the rubber compound is parked for 12 hours, filling a die, vulcanizing, wherein the vulcanizing pressure is 15MPa, the vulcanizing temperature is 160 ℃, and the vulcanizing time is 35 minutes.
Example 3
The raw materials of the heat-insulating, anti-burning and high-heat-resistant rubber material for the conveyor belt comprise the following components (basic formula): EPDM5260Q100 parts, zinc oxide 8 parts, stearic acid 1 part, antioxidant RD 2 parts, antioxidant MB 2 parts, carbon black N33035 parts, paraffin oil 20 parts, dicumyl peroxide (DCP-40) 7 parts, TAIC 2 parts, decabromodiphenyl ether 30 parts, sb 2 O 3 20 parts of zinc borate, 20 parts of ablation-resistant boron resin (FB-90) and 8 parts of aramid short fibers.
The preparation method comprises the following steps:
EPDM5260Q, zinc oxide, stearic acid, antioxidant RD, antioxidant MB, carbon black N330, paraffin oil, DCP-40, TAIC, decabromodiphenyl ether, sb 2 O 3 Uniformly mixing zinc borate, ablation-resistant boron resin and aramid short fibers on an open mill, thinning, discharging, cutting pieces after the rubber compound is parked for 12 hours, filling a die, vulcanizing, wherein the vulcanizing pressure is 15MPa, the vulcanizing temperature is 160 ℃, and the vulcanizing time is 35 minutes.
Comparative example 1
The raw material composition (basic formula) of the sizing material is as follows: EPDM5260Q100 parts, zinc oxide 8 parts, stearic acid 1 part, an anti-aging agent RD 2 parts, an anti-aging agent MB 2 parts, carbon black N33035 parts, paraffin oil 20 parts, dicumyl peroxide (DCP-40) 7 parts and TAIC 1.5 parts.
The preparation method comprises the following steps:
EPDM5260Q, zinc oxide, stearic acid, an anti-aging agent RD, an anti-aging agent MB, carbon black N330, paraffin oil, DCP-40 and TAIC are uniformly mixed on an open mill, thin and smooth, and sheet discharging is carried out, and after the mixed rubber is parked for 12 hours, cutting, die filling and vulcanization are carried out, the vulcanization pressure is 15MPa, the vulcanization temperature is 160 ℃, and the vulcanization time is 35 minutes.
This comparative example differs from example 1 in that decabromodiphenyl ether, sb, were omitted 2 O 3 Zinc borate, ablation resistant boron resin (FB-90) and aramid staple.
Comparative example 2
The raw material composition (basic formula) of the sizing material is as follows: EPDM5260Q100 parts, zinc oxide 8 parts, stearic acid 1 part, antioxidant RD 2 parts, antioxidant MB 2 parts, carbon black N33035 parts, paraffin oil 20 parts, dicumyl peroxide (DCP-40) 7 parts, TAIC 1.5 parts, decabromodiphenyl ether 20 parts, sb 2 O 3 15 parts of zinc borate, 10 parts of ablation-resistant boron resin (FB-90) and 20 parts of boron nitride.
The preparation method comprises the following steps:
EPDM5260Q, zinc oxide, stearic acid, antioxidant RD, antioxidant MB, carbon black N330, paraffin oil, DCP-40, TAIC, decabromodiphenyl ether, sb 2 O 3 Uniformly mixing zinc borate and ablation-resistant boron resin on an open mill, thinning, discharging sheets, standing the mixed rubber for 12 hours, cutting sheets, filling a mold, vulcanizing, wherein the vulcanizing pressure is 15MPa, the vulcanizing temperature is 160 ℃, and the vulcanizing time is 35 minutes.
The present comparative example is different from example 1 in that the use of aramid staple fibers was omitted.
Comparative example 3
The raw material composition (basic formula) of the sizing material is as follows: EPDM5260Q100 parts, zinc oxide 8 parts, stearic acid 1 part, antioxidant RD 2 parts, antioxidant MB 2 parts, carbon black N33035 parts, paraffin oil 20 parts, dicumyl peroxide (DCP-40) 7 parts, TAIC 1.5 parts, decabromodiphenyl ether 20 parts, sb 2 O 3 15 parts of zinc borate, 10 parts of aramid short fiber and 5 parts of aramid short fiber.
The preparation method comprises the following steps:
EPDM5260Q, zinc oxide, stearic acid, antioxidant RD, antioxidant MB, carbon black N330, paraffin oil, DCP-40, TAIC, decabromodiphenyl ether, sb 2 O 3 Uniformly mixing zinc borate and aramid short fibers on an open mill, thinning, discharging sheets, standing the mixed rubber for 12 hours, cutting sheets, filling a mold, vulcanizing, wherein the vulcanizing pressure is 15MPa, the vulcanizing temperature is 160 ℃, and the vulcanizing time is 35 minutes.
The difference between this comparative example and example 1 is that the use of the ablation resistant boron resin (FB-90) was omitted.
Comparative example 4
The raw material composition (basic formula) of the sizing material is as follows: EPDM5260Q100 parts, zinc oxide 8 parts, stearic acid 1 part, antioxidant RD 2 parts, antioxidant MB 2 parts, carbon black N33035 parts, paraffin oil 20 parts, dicumyl peroxide (DCP-40) 7 parts, TAIC 1.5 parts, decabromodiphenyl ether 20 parts, sb 2 O 3 15 parts of ablation-resistant boron resin (FB-90), 20 parts of aramid short fiber and 5 parts of the glass fiber reinforced plastic.
The preparation method comprises the following steps:
EPDM5260Q, zinc oxide, stearic acid, antioxidant RD, antioxidant MB, carbon black N330, paraffin oil, DCP-40, TAIC, decabromodiphenyl ether, sb 2 O 3 Uniformly mixing ablation-resistant boron resin and aramid short fibers on an open mill, thinning, discharging sheets, and standing the mixed rubber for 12 hoursCutting, die filling, vulcanizing, wherein the vulcanizing pressure is 15MPa, the vulcanizing temperature is 160 ℃, and the vulcanizing time is 35min.
The present comparative example differs from example 1 in that the use of zinc borate was omitted.
Comparative example 5
The raw material composition (basic formula) of the sizing material is as follows: 100 parts of EPDM5260Q, 8 parts of zinc oxide, 1 part of stearic acid, 2 parts of an anti-aging agent RD, 2 parts of an anti-aging agent MB, 35 parts of carbon black N33035 parts, 20 parts of paraffin oil, 7 parts of dicumyl peroxide (DCP-40), 1.5 parts of TAIC, 35 parts of decabromodiphenyl ether, 10 parts of zinc borate, 20 parts of ablation-resistant boron resin (FB-90) and 5 parts of aramid short fibers.
The preparation method comprises the following steps:
EPDM5260Q, zinc oxide, stearic acid, an anti-aging agent RD, an anti-aging agent MB, carbon black N330, paraffin oil, DCP-40, TAIC, decabromodiphenyl ether, zinc borate, ablation-resistant boron resin and aramid short fiber are uniformly mixed on an open mill, thin and smooth, sheet discharging are carried out, sheet cutting, die filling and vulcanization are carried out after the mixed rubber is parked for 12 hours, the vulcanization pressure is 15MPa, the vulcanization temperature is 160 ℃, and the vulcanization time is 35 minutes.
This comparative example differs from example 1 in that equal mass of decabromodiphenyl ether was used instead of equal mass of Sb 2 O 3 。
Comparative example 6
The raw material composition (basic formula) of the sizing material is as follows: EPDM5260Q100 parts, zinc oxide 8 parts, stearic acid 1 part, anti-aging agent RD 2 parts, anti-aging agent MB 2 parts, carbon black N33035 parts, paraffin oil 20 parts, dicumyl peroxide (DCP-40) 7 parts, TAIC 1.5 parts, sb 2 O 3 35 parts of zinc borate, 10 parts of ablation-resistant boron resin (FB-90), 20 parts of aramid short fiber and 5 parts of aramid short fiber.
The preparation method comprises the following steps:
EPDM5260Q, zinc oxide, stearic acid, antioxidant RD, antioxidant MB, carbon black N330, paraffin oil, DCP-40, TAIC, sb 2 O 3 Uniformly mixing zinc borate, ablation-resistant boron resin and aramid short fibers on an open mill, thinning, discharging, cutting pieces after the rubber compound is parked for 12 hours, filling a die, vulcanizing, wherein the vulcanizing pressure is 15MPa, the vulcanizing temperature is 160 ℃, and the vulcanizing time is 35 minutes.
This comparative example differs from example 1 in that an equal mass of Sb was used 2 O 3 Instead of equal mass of decabromodiphenyl ether.
Effect verification
1. Burn resistance test
The rubber formulations of examples 1-3 and comparative examples 1-6 were vulcanized into test pieces of 100mm X6 mm according to the preparation methods corresponding to the examples and comparative examples, and after the test pieces were parked (more than 16 hours), the steel ball burning test was performed.
The steel ball burning test operation method comprises the following steps: several steel balls with the diameter of 35mm are placed in a high-temperature furnace with the highest temperature reaching 1600 ℃, the temperature is raised to 800 ℃ and kept for 5min, then the steel balls burnt to 800 ℃ are placed on test pieces of each example and comparative example and kept for 5min, then the steel balls are taken out, the residual thickness of films at the burnt positions of the steel balls is checked after cooling, and the thickness of films is measured by calipers, and each group of films is burnt at three different places, so that the results are averaged. The specific test results are shown in table 1.
TABLE 1
| Original thickness/mm | Thickness/mm after firing | Firing depth/mm | |
| Example 1 | 6.4 | 5.6 | 0.8 |
| Example 2 | 6.3 | 5.4 | 0.9 |
| Example 3 | 6.1 | 5.6 | 0.5 |
| Comparative example 1 | 6.1 | 3.8 | 2.3 |
| Comparative example 2 | 6.3 | 4.9 | 1.4 |
| Comparative example 3 | 6.4 | 5.3 | 1.1 |
| Comparative example 4 | 6.2 | 5.2 | 1.0 |
| Comparative example 5 | 6.3 | 5.2 | 1.1 |
| Comparative example 6 | 6.1 | 4.9 | 1.2 |
From the test results in Table 1, it can be seen that: comparative example 1 without flame retardant (decabromodiphenyl ether, sb) 2 O 3 And zinc borate), ablation-resistant boron resin and short fibers, the firing depth is deeper; comparative example 2 flame retardant (decabromodiphenyl ether, sb) 2 O 3 And zinc borate) and ablation-resistant boron resin, the firing depth is obviously shallower, and the flame retardant and the ablation-resistant boron resin play an important role in the aspect of fire resistance; examples 1-3 in the addition of flame retardant (decabromodiphenyl ether, sb 2 O 3 And zinc borate) and ablation-resistant boron resin, and the aramid short fiber is added, the firing depth is further reduced, and the anti-firing performance of the aramid short fiber is greatly improved. In addition, comparative example 3 omitted the use of ablation resistant boron resin, comparative example 4 omitted the use of zinc borate, and comparative example 5 replaced equal mass of Sb with equal mass of decabromodiphenyl ether 2 O 3 (omit Sb) 2 O 3 Use of (c), comparative example 6 uses equal mass of Sb 2 O 3 Instead of equal mass of decabromodiphenyl ether (the use of decabromodiphenyl ether is omitted), the firing depth of comparative examples 3-6 is deeper than that of example 1, the firing resistance is inferior to that of example 1, and the synergistic effect of the components in the formula system indicates that the great improvement of the firing resistance of the sizing material is realized, the components in the formula system are indistinct, any component is changed, and the final effect is reduced.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. The heat-insulating, anti-burning and high-heat-resistant rubber material for the conveyor belt is characterized by comprising the following raw materials in parts by weight: 100 parts of ethylene propylene diene monomer and oxidation8 parts of zinc, 1 part of stearic acid, 1-4 parts of an anti-aging agent, 35 parts of carbon black, 20 parts of paraffin oil, 7 parts of dicumyl peroxide, 0.2-2 parts of a co-crosslinking agent, 10-30 parts of a bromine-containing flame retardant and Sb 2 O 3 5-20 parts of zinc borate, 5-20 parts of ablation-resistant boron resin, 15-20 parts of aramid short fiber and 5-8 parts of aramid short fiber.
2. The heat-insulating, anti-burning and high-heat-resistant rubber material for conveyor belts according to claim 1, wherein the anti-aging agent is a mixture of an anti-aging agent RD and an anti-aging agent MB, and the mass ratio of the anti-aging agent RD to the anti-aging agent MB is 1:0.5-2.
3. The heat-insulating, heat-resistant and high-heat-resistant conveyor belt sizing material according to claim 1, wherein the content of the active ingredient of dicumyl peroxide is more than or equal to 40wt.%.
4. The heat insulating, burn resistant, high heat resistant conveyor belt size of claim 1 wherein said co-crosslinking agent is triallyl isocyanurate.
5. The heat-insulating, burn-resistant and high heat-resistant conveyor belt sizing of claim 1, wherein the bromine-containing flame retardant is decabromodiphenyl ether.
6. The heat-insulating, heat-resistant and high-heat-resistant conveyor belt sizing material according to claim 1, wherein the ablation-resistant boron resin is a boron phenolic resin.
7. The heat-insulating, heat-resistant and high-heat-resistant conveyor belt sizing material according to claim 1, wherein the length of the aramid short fibers is 3-5 mm.
8. A process for the preparation of a sizing for heat-insulating, burn-resistant and high heat-resistant conveyor belts according to any one of claims 1 to 7, characterized by the following steps: weighing the raw materials according to the parts by weight, uniformly mixing all the raw materials, thinning, discharging sheets, standing, cutting and vulcanizing to obtain the heat-insulating anti-burning high-heat-resistant rubber material for the conveyer belt.
9. The method of claim 8, wherein the parking time is 12 hours.
10. The method of claim 8, wherein the vulcanizing pressure is 15MPa, the vulcanizing temperature is 160 ℃, and the vulcanizing time is 35min.
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| JPS5277195A (en) * | 1975-12-20 | 1977-06-29 | Bayer Ag | Boronncontaining resin and method of making same and vulcanized rubber |
| CN1831039A (en) * | 2006-04-07 | 2006-09-13 | 李寿山 | Anti-static and flame-retardant type polyethylene material |
| CN101921436A (en) * | 2010-09-19 | 2010-12-22 | 无锡宝通带业股份有限公司 | Surface covering rubber for high-temperature-resisting and flame-retardant conveyer belt and preparation method thereof |
| CN109370066A (en) * | 2018-10-25 | 2019-02-22 | 西安长峰机电研究所 | One kind can turning EPDM rubber insulation material and preparation method thereof |
| WO2020011004A1 (en) * | 2018-07-13 | 2020-01-16 | 杭州星庐科技有限公司 | Anti-aging polar rubber composition, processing method therefor and application thereof |
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2023
- 2023-04-21 CN CN202310431394.5A patent/CN116376178A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5277195A (en) * | 1975-12-20 | 1977-06-29 | Bayer Ag | Boronncontaining resin and method of making same and vulcanized rubber |
| CN1831039A (en) * | 2006-04-07 | 2006-09-13 | 李寿山 | Anti-static and flame-retardant type polyethylene material |
| CN101921436A (en) * | 2010-09-19 | 2010-12-22 | 无锡宝通带业股份有限公司 | Surface covering rubber for high-temperature-resisting and flame-retardant conveyer belt and preparation method thereof |
| WO2020011004A1 (en) * | 2018-07-13 | 2020-01-16 | 杭州星庐科技有限公司 | Anti-aging polar rubber composition, processing method therefor and application thereof |
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