CN115710389A - Low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering rubber and preparation method thereof - Google Patents
Low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering rubber and preparation method thereof Download PDFInfo
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 81
- 239000005060 rubber Substances 0.000 title claims abstract description 81
- 239000003063 flame retardant Substances 0.000 title claims abstract description 78
- 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 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 44
- 238000002156 mixing Methods 0.000 claims abstract description 34
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 239000012188 paraffin wax Substances 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 230000004048 modification Effects 0.000 claims abstract description 13
- 238000012986 modification Methods 0.000 claims abstract description 13
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000178 monomer Substances 0.000 claims abstract description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 20
- 239000006229 carbon black Substances 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 19
- 239000012779 reinforcing material Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 16
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 11
- 235000021355 Stearic acid Nutrition 0.000 claims description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 10
- 239000002216 antistatic agent Substances 0.000 claims description 10
- 239000000395 magnesium oxide Substances 0.000 claims description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 10
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 10
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 10
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 10
- 239000008117 stearic acid Substances 0.000 claims description 10
- 229910052717 sulfur Inorganic materials 0.000 claims description 10
- 239000011593 sulfur Substances 0.000 claims description 10
- 239000011787 zinc oxide Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003963 antioxidant agent Substances 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 8
- 239000005543 nano-size silicon particle Substances 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 229920006231 aramid fiber Polymers 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000003712 anti-aging effect Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 2
- 244000043261 Hevea brasiliensis Species 0.000 claims description 2
- 229920002681 hypalon Polymers 0.000 claims description 2
- 229920003052 natural elastomer Polymers 0.000 claims description 2
- 229920001194 natural rubber Polymers 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 229910001377 aluminum hypophosphite Inorganic materials 0.000 claims 3
- CQYBWJYIKCZXCN-UHFFFAOYSA-N diethylaluminum Chemical compound CC[Al]CC CQYBWJYIKCZXCN-UHFFFAOYSA-N 0.000 claims 3
- 239000004760 aramid Substances 0.000 claims 2
- 229920003235 aromatic polyamide Polymers 0.000 claims 2
- 238000005299 abrasion Methods 0.000 claims 1
- 229920006978 SSBR Polymers 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 239000003245 coal Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 239000012855 volatile organic compound Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 5
- 239000004636 vulcanized rubber Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-UHFFFAOYSA-N 0.000 description 1
- PPKVREKQVQREQD-UHFFFAOYSA-N antimony pentasulfide Chemical compound S=[Sb](=S)S[Sb](=S)=S PPKVREKQVQREQD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a low rolling resistance high wear resistance steel wire rope core flame retardant conveyor belt covering rubber and a preparation method thereof, and is characterized in that SiO is selected 2 ADP, AP, nano Si 3 N 4 Blending, namely preparing SiO by performing bio-based monomer modification on the mixture through GMA 2 Performing macromolecular modification treatment on the/ADP hybrid flame-retardant reinforced material through CSM to prepare SiO 2 the/ADP/CSM hybridized modified masterbatch is blended with a flame-retardant reinforcing system consisting of 70 percent of chlorinated paraffin, antimony trioxide and red phosphorus and SSBR/ENR to prepare the covering rubber of the steel wire rope core flame-retardant conveying belt with low rolling resistance and high wear resistance, which not only meets the flame-retardant and anti-static performances of the steel wire rope core flame-retardant conveying belt for coal mines, but also has excellent mechanical properties, low rolling resistance and good wear resistance, can reduce the energy consumption of the steel wire rope core flame-retardant conveying belt in the use process, prolong the service life of the steel wire rope core flame-retardant conveying belt, and simultaneously reduce the VOC in the production process S And (5) discharging. Simple process and easy manufacture.
Description
Technical Field
The invention relates to the technical field of conveying belts, in particular to a low rolling resistance high wear resistance steel wire rope core flame-retardant conveying belt covering rubber and a preparation method thereof.
Background
The steel wire rope core flame-retardant conveying belt is a main tool for conveying coal underground in a coal mine, and the currently executed standard is MT/T668-2019 Steel wire rope core flame-retardant conveying belt for coal mines. The MT668 standard steel wire rope core flame retardant conveyor belt has good flame retardant and antistatic properties, and has the main problems that: firstly, the mechanical property of the covering layer is poor, and the outstanding performance is that the wear-resisting property is poor and the service life is short; secondly, the rolling resistance (characterized as the tan delta value at 60 ℃) is large in the using process, and the energy consumption is high. In the prior art, the low rolling resistance flame-retardant rubber mostly uses silane coupling agent to modify the white carbon black and the flame retardant, and a large amount of VOCs can be generated in the production process, thereby causing environmental pollution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides the covering rubber for the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt, has excellent mechanical property, low rolling resistance and good wear resistance, can reduce the energy consumption of the steel wire rope core flame-retardant conveyor belt in the using process, prolongs the service life of the steel wire rope core flame-retardant conveyor belt, and simultaneously reduces VOC (volatile organic compounds) in the production process, besides meeting the flame-retardant and anti-static properties of the steel wire rope core flame-retardant conveyor belt for coal mines S And (5) discharging.
The second purpose of the invention is to provide a preparation method of the covering glue, which has simple process and easy manufacture.
The object of the present invention is achieved by the following means.
The invention provides a covering rubber for a low rolling resistance high wear resistance steel wire rope core flame-retardant conveying belt, which comprises the following components in percentage by weight:
20-30 parts of Epoxy Natural Rubber (ENR), 50-60 parts of solution polymerized styrene-butadiene rubber (SSBR 2000R), 20 parts of chlorosulfonated polyethylene rubber (CSM 30), 5 parts of zinc oxide, 5 parts of magnesium oxide, 1 part of stearic acid, 1.8 parts of sulfur, 0.8 part of accelerator DM, 1 part of accelerator TRA, 1 part of antioxidant RD, 0 part of antioxidant 4021, 1 part of paraffin, 25-35 parts of N234 carbon black, 16-20 parts of 70% chlorinated paraffin, 6-10 parts of antimony trioxide, 6-10 parts of red phosphorus, siO 2 35-45 parts of/ADP hybrid flame-retardant reinforcing material, 2 parts of adhesive AS-88 and 2 parts of antistatic agent K01.
The SiO 2 the/ADP hybrid flame-retardant reinforced material is white carbon black (SiO) 2 ) Aluminum diethyl hypophosphite (ADP)/aramid fiber pulp (AP)/nano silicon nitride (Si) 3 N 4 ) Glycidyl Methacrylate (GMA) composition and white carbon black (SiO) 2 ) Aluminum diethyl hypophosphite (ADP)/aramid fiber pulp (AP)/nano silicon nitride (Si) 3 N 4 ) The ratio of Glycidyl Methacrylate (GMA) to Glycidyl Methacrylate (GMA) is 45%/40%/6%/5%/4% by mass.
The preparation method comprises the following steps:
(1) Preparing ENR plasticated rubber
Adding ENR into an internal mixer, plasticating for 180-220 s at the rotor speed of 40rpm and the rubber discharge temperature of 120-125 ℃ to prepare ENR plasticated rubber, and standing for 8h for use;
(2) Preparation of SiO 2 ADP hybrid flame-retardant reinforced material
Mixing SiO 2 ADP, AP, nano Si 3 N 4 Heating and stirring in a kneader at 350-400rpm to 40-60 deg.C, spraying GMA, heating and stirring, stirring at 100-105 deg.C for 10-15min, modifying the mixture with bio-based monomer to obtain SiO 2 Cooling the/ADP hybrid flame-retardant reinforcing material to normal temperature for later use;
(3) Preparation of SiO 2 ADP/CSM hybrid modified masterbatch
SiO prepared in the step (2) 2 Adding the/ADP hybridized flame-retardant reinforcing material into an internal mixer, heating to 70-80 ℃ at the rotating speed of a rotor of the internal mixer being 20rpm, adding CSM, and blending to SiO 2 Performing macromolecular modification on the/ADP hybridized flame-retardant reinforcing material, blending for 150-180s, discharging the rubber at 120-125 ℃, taking out the sheet, cooling to normal temperature, and preparing SiO 2 the/ADP/CSM hybrid modified master batch is used after standing for 8 hours;
(4) Preparation of a first-stage rubber composition
Firstly, SSBR, plastifying ENR and SiO prepared in step (3) 2 Putting the/ADP/CSM hybrid modified master batch into an internal mixer, mixing for 120-150s at the rotor rotation speed of the internal mixer of 40rpm, then adding zinc oxide, stearic acid, an anti-aging agent, paraffin, carbon black, chlorinated paraffin, antimony trioxide, red phosphorus and an antistatic agent, continuously mixing for 210-240s at the rubber discharge temperature of 130-135 ℃, discharging sheets, cooling, preparing a section of mixed rubber, and standing for 8h for use;
(5) Preparation of two-stage rubber mixtures
And (3) putting the first-stage rubber compound prepared in the step (4), sulfur, magnesium oxide and an accelerator into an internal mixer, mixing for 100-120s at the rotor speed of the internal mixer of 20rpm and the rubber discharge temperature of 90-100 ℃, discharging and cooling to prepare a second-stage rubber compound, namely the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt cover rubber.
Compared with the prior art, the invention has the following beneficial effects.
1. Selecting SiO 2 ADP, AP, nano Si 3 N 4 Blending, namely preparing SiO by performing bio-based monomer modification on the mixture through GMA 2 the/ADP hybridized flame-retardant reinforced material is then subjected to CSM on SiO 2 Macromolecular modification treatment is carried out on the/ADP hybrid flame-retardant reinforced material to prepare SiO 2 The covering rubber for the steel wire rope core flame-retardant conveying belt with the low rolling resistance and the high wear resistance is prepared by blending/ADP/CSM hybrid modified masterbatch with SSBR/ENR through optimizing a formula and a process, has excellent mechanical properties, low rolling resistance and good wear resistance besides meeting the flame-retardant and anti-static properties of the steel wire rope core flame-retardant conveying belt for a coal mine, can reduce energy consumption of the steel wire rope core flame-retardant conveying belt in the use process, prolong the service life of the steel wire rope core flame-retardant conveying belt, and simultaneously reduce VOC (volatile organic compounds) in the production process S And (5) discharging.
2. Selecting 70 percent of chlorinated paraffin, antimony trioxide, red phosphorus and SiO 2 The flame-retardant reinforcing system formed by the/ADP/CSM hybrid modified master batch is blended with the SSBR/ENR, has a synergistic effect, and can simultaneously improve the flame-retardant property, the wear-resistant property and the low rolling resistance property of the covering rubber.
3. Use of bio-based monomer-Glycidyl Methacrylate (GMA) instead of silane coupling agent for SiO 2 The modification treatment is carried out on the/ADP hybrid flame-retardant reinforced material, so that the discharge of VOCs in the modification treatment and vulcanization processes can be reduced, and the environment is protected. Addition of GMA to make SiO 2 the/ADP hybrid flame-retardant reinforcing material has more uniform dispersion, reduced Payne effect, shortened vulcanization time of the covering rubber, reduced rolling resistance and improved mechanical property.
4. SiO Using CSM 2 the/ADP hybridized flame-retardant reinforcing material is subjected to macromolecular modification and can effectively coat SiO 2 The flame-retardant reinforced material is hybridized with/ADP, and CSM is firstly mixed with SiO 2 Preparation of SiO by mixing/ADP hybridized flame-retardant reinforced material 2 the/ADP/CSM hybrid modified master batch is blended with SSBR/ENR, so that the flame retardant property of the vulcanized rubber is greatly improved, the wear resistance of the vulcanized rubber is improved, and the rolling resistance of the vulcanized rubber is effectively reduced.
5. Will mix SiO 2 ADP, AP, nano Si 3 N 4 Blending firstGMA is used for modifying the bio-based monomers, and CSM is used for modifying macromolecules, so that the flame retardant property, the low rolling resistance property and the wear resistance of vulcanized rubber are obviously improved.
Detailed Description
The following examples are given to aid in the understanding of the invention, but are not intended to limit the scope of the invention.
Example 1
The embodiment provides a low rolling resistance high wear resistance steel wire rope core flame retardant conveyor belt cover rubber, which comprises the following components in percentage by weight:
20 parts of ENR, 60 parts of SSBR2000R, 30 parts of CSM, 5 parts of zinc oxide, 5 parts of magnesium oxide, 1 part of stearic acid, 1.8 parts of sulfur, 0.8 part of accelerator DM, 1 part of accelerator TRA, 1 part of antioxidant RD, 0 part of antioxidant 4021, 1 part of paraffin, 25 parts of N234 carbon black, 16 parts of 70% chlorinated paraffin, 8 parts of antimony trioxide, 10 parts of red phosphorus, siO 2 45 parts of/ADP hybrid flame-retardant reinforced material, 2 parts of adhesive AS-88 and 2 parts of antistatic agent K01.
The SiO 2 the/ADP hybrid flame-retardant reinforced material is white carbon black (SiO) 2 ) Aluminum diethyl hypophosphite (ADP)/aramid fiber pulp (AP)/nano silicon nitride (Si) 3 N 4 ) Composition of Glycidyl Methacrylate (GMA), the mass ratio of the five components is 45%/40%/6%/5%/4%.
The preparation method of the covering glue comprises the following steps:
(1) Preparation of ENR plasticated rubber
Adding ENR into an internal mixer, plasticating for 180-220 s at the rotor speed of 40rpm and the rubber discharge temperature of 120-125 ℃ to prepare ENR plasticated rubber, and standing for 8h for use;
(2) Preparation of SiO 2 ADP hybrid flame-retardant reinforced material
Mixing SiO 2、 ADP, AP and nano Si 3 N 4 Heating and stirring in a kneader at 350-400rpm to 40-60 deg.C, spraying GMA, heating and stirring, stirring at 100-105 deg.C for 10-15min, modifying the mixture with bio-based monomer to obtain SiO 2 the/ADP hybrid flame-retardant reinforced material is cooled to normal temperature for standby；
(3) Preparation of SiO 2 ADP/CSM hybrid modified masterbatch
SiO prepared in the step (2) 2 Adding the/ADP hybridized flame-retardant reinforcing material into an internal mixer, heating to 70-80 ℃ at the rotating speed of a rotor of the internal mixer being 20rpm, adding CSM, and blending to SiO 2 Performing macromolecular modification on the/ADP hybrid flame-retardant reinforced material, blending for 150-180s, discharging the glue at 120-125 ℃, taking out the sheet, cooling to normal temperature, and preparing the SiO 2 the/ADP/CSM hybrid modified master batch is used after standing for 8 hours;
(4) Preparation of a first-stage rubber composition
Firstly, SSBR, ENR plasticate and SiO prepared in the step (3) 2 Putting the/ADP/CSM hybrid modified master batch into an internal mixer, mixing for 120-150s at the rotor rotating speed of 40rpm of the internal mixer, then adding zinc oxide, stearic acid, an anti-aging agent, paraffin, carbon black, chlorinated paraffin, antimony trioxide, red phosphorus and an antistatic agent, continuously mixing for 210-240s at the rubber discharging temperature of 130-135 ℃, discharging sheets, cooling to prepare a section of mixed rubber, and standing for 8h for use;
(5) Preparation of two-stage rubber mixtures
And (3) putting the first-stage rubber compound prepared in the step (4), sulfur, magnesium oxide and an accelerator into an internal mixer, mixing for 100-120s at the rotor speed of the internal mixer of 20rpm and the rubber discharge temperature of 90-100 ℃, discharging and cooling to prepare a second-stage rubber compound, namely the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt cover rubber.
The rubber was vulcanized on a vulcanizing press (temperature 150 ℃, pressure 10MPa, time 20 min), and the test data of the coating rubber of this example are shown in Table 1.
Example 2
The embodiment provides a low rolling resistance high wear resistance steel wire rope core flame retardant conveyor belt cover rubber, which comprises the following components in percentage by weight:
25 parts of ENR, 55 parts of SSBR2000R, 30 parts of CSM, 5 parts of zinc oxide, 5 parts of magnesium oxide, 1 part of stearic acid, 1.8 parts of sulfur, 0.8 part of accelerator DM, 1 part of accelerator TRA, 1 part of antioxidant RD, 1 part of antioxidant 4020, 1 part of paraffin, 30 parts of N234 carbon black, 18 parts of 70% chlorinated paraffin, 6 parts of antimony trioxide, 8 parts of red phosphorus, siO 2 40 parts of/ADP hybrid flame-retardant reinforcing material, 2 parts of adhesive AS-88 and 2 parts of antistatic agent K01.
The SiO 2 the/ADP hybridized flame-retardant reinforcing material is white carbon black (SiO) 2 ) Aluminum diethyl hypophosphite (ADP)/aramid fiber pulp (AP)/nano silicon nitride (Si) 3 N 4 ) Composition of Glycidyl Methacrylate (GMA), the mass ratio of the five components is 45%/40%/6%/5%/4%.
The preparation method of the covering glue comprises the following steps:
(1) Preparation of ENR plasticated rubber
Adding ENR into an internal mixer, plasticating for 180-220 s at the rotor speed of 40rpm and the rubber discharge temperature of 120-125 ℃ to prepare ENR plasticated rubber, and standing for 8h for use;
(2) Preparation of SiO 2 ADP hybrid flame-retardant reinforced material
Mixing SiO 2、 ADP, AP, nano Si 3 N 4 Heating and stirring in a kneader at 350-400rpm to 40-60 deg.C, spraying GMA, heating and stirring, stirring at 100-105 deg.C for 10-15min, modifying the mixture with bio-based monomer to obtain SiO 2 Cooling the/ADP hybrid flame-retardant reinforcing material to normal temperature for later use;
(3) Preparation of SiO 2 ADP/CSM hybrid modified masterbatch
SiO prepared in the step (2) 2 adding/ADP hybridized flame-retardant reinforcing material into an internal mixer, heating to 70-80 ℃ at the rotor rotating speed of 20rpm, adding CSM, and blending to SiO 2 Performing macromolecular modification on the/ADP hybrid flame-retardant reinforced material, blending for 150-180s, discharging the glue at 120-125 ℃, taking out the sheet, cooling to normal temperature, and preparing the SiO 2 the/ADP/CSM hybrid modified master batch is used after standing for 8 hours;
(4) Preparation of a first-stage rubber composition
Firstly, SSBR, ENR plasticate and SiO prepared in the step (3) 2 Putting the/ADP/CSM hybrid modified master batch into an internal mixer, mixing for 120-150s at the rotor rotating speed of 40rpm, and then adding zinc oxide, stearic acid, an anti-aging agent, paraffin, carbon black, chlorinated paraffin, antimony trioxide and red phosphorusContinuously mixing the antistatic agent for 210-240s at the rubber discharging temperature of 130-135 ℃, discharging the sheet, cooling to prepare a section of rubber compound, and standing for 8h for use;
(5) Preparation of two-stage rubber mixtures
And (3) putting the first-stage rubber compound prepared in the step (4), sulfur, magnesium oxide and an accelerator into an internal mixer, mixing for 100-120s at the rotor speed of the internal mixer of 20rpm and the rubber discharge temperature of 90-100 ℃, discharging and cooling to prepare a second-stage rubber compound, namely the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt cover rubber.
The rubber was vulcanized on a vulcanizing press (temperature 150 ℃, pressure 10MPa, time 20 min), and the test data of the coating rubber of this example are shown in Table 1.
Example 3
The embodiment provides a low rolling resistance high wear resistance steel wire rope core flame retardant conveyor belt cover rubber, which comprises the following components in percentage by weight:
30 parts of ENR, 50 parts of SSBR2000R, 20 parts of CSM, 5 parts of zinc oxide, 5 parts of magnesium oxide, 1 part of stearic acid, 1.8 parts of sulfur, 0.8 part of accelerator DM, 1 part of accelerator TRA, 1 part of antioxidant RD, 0 part of antioxidant 4021, 1 part of paraffin, 35 parts of N234 carbon black, 20 parts of 70% chlorinated paraffin, 10 parts of antimony trioxide, 6 parts of red phosphorus, siO 2 45 parts of/ADP hybrid flame-retardant reinforced material, 2 parts of adhesive AS-88 and 2 parts of antistatic agent K01.
The SiO 2 the/ADP hybrid flame-retardant reinforced material is white carbon black (SiO) 2 ) Aluminum diethyl hypophosphite (ADP)/aramid fiber pulp (AP)/nano silicon nitride (Si) 3 N 4 ) Glycidyl Methacrylate (GMA) composition, the mass ratio of the five components is 45%/40%/6%/5%/4%.
The preparation method of the covering glue comprises the following steps:
(1) Preparation of ENR plasticated rubber
Adding ENR into an internal mixer, plasticating for 180-220 s at the rotor speed of 40rpm and the rubber discharge temperature of 120-125 ℃ to prepare ENR plasticated rubber, and standing for 8h for use;
(2) Preparation of SiO 2 ADP hybrid flame-retardant reinforced material
Mixing SiO 2、 ADPAP, nano Si 3 N 4 Heating and stirring in a kneader at 350-400rpm to 40-60 deg.C, spraying GMA, heating and stirring, stirring at 100-105 deg.C for 10-15min, modifying the mixture with bio-based monomer to obtain SiO 2 Cooling the/ADP hybrid flame-retardant reinforcing material to normal temperature for later use;
(3) Preparation of SiO 2 ADP/CSM hybrid modified masterbatch
SiO prepared in the step (2) 2 adding/ADP hybridized flame-retardant reinforcing material into an internal mixer, heating to 70-80 ℃ at the rotor rotating speed of 20rpm, adding CSM, and blending to SiO 2 Performing macromolecular modification on the/ADP hybridized flame-retardant reinforcing material, blending for 150-180s, discharging the rubber at 120-125 ℃, taking out the sheet, cooling to normal temperature, and preparing SiO 2 the/ADP/CSM hybrid modified master batch is used after standing for 8 hours;
(4) Preparation of a first-stage rubber composition
Firstly, SSBR, ENR plasticated rubber and SiO prepared in the step (3) 2 Putting the/ADP/CSM hybrid modified master batch into an internal mixer, mixing for 120-150s at the rotor rotation speed of the internal mixer of 40rpm, then adding zinc oxide, stearic acid, an anti-aging agent, paraffin, carbon black, chlorinated paraffin, antimony trioxide, red phosphorus and an antistatic agent, continuously mixing for 210-240s at the rubber discharge temperature of 130-135 ℃, discharging sheets, cooling, preparing a section of mixed rubber, and standing for 8h for use;
(5) Preparation of two-stage rubber mixtures
And (3) putting the first-stage rubber compound prepared in the step (4), sulfur, magnesium oxide and an accelerator into an internal mixer, mixing for 100-120s at the rotor speed of the internal mixer of 20rpm and the rubber discharge temperature of 90-100 ℃, discharging and cooling to prepare a second-stage rubber compound, namely the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt cover rubber.
The rubber was vulcanized on a vulcanizing press (temperature 150 ℃, pressure 10MPa, time 20 min), and the test data of the coating rubber of this example are shown in Table 1.
TABLE 1 test data
Claims (2)
1. The utility model provides a fire-retardant conveyer belt cover of low rolling resistance high abrasion wire rope core is glued which characterized in that: the covering glue comprises the following components in percentage by weight:
20-30 parts of epoxy natural rubber ENR, 50-60 parts of solution polymerized styrene butadiene rubber SSBR2000R, 30 parts of chlorosulfonated polyethylene rubber CSM, 5 parts of zinc oxide, 5 parts of magnesium oxide, 1 part of stearic acid, 1.8 parts of sulfur, 0.8 part of accelerator DM, 1 part of accelerator TRA, 1 part of antioxidant RD, 0 part of antioxidant 4021 part of paraffin, 25-35 parts of N234 carbon black, 16-20 parts of 70% chlorinated paraffin, 6-10 parts of antimony trioxide, 6-10 parts of red phosphorus, siO 2, and C1 2 35-45 parts of/ADP hybrid flame-retardant reinforcing material, 2 parts of adhesive AS-88 and 2 parts of antistatic agent K01;
the SiO 2 the/ADP hybrid flame-retardant reinforced material is a composition of white carbon black/diethyl aluminum hypophosphite/aramid pulp/nano silicon nitride/glycidyl methacrylate, and the mass ratio of the white carbon black/diethyl aluminum hypophosphite/aramid pulp/nano silicon nitride/glycidyl methacrylate is 45%/40%/6%/5%/4%.
2. The preparation method of the low rolling resistance high wear resistance steel wire rope core flame retardant conveyor belt covering rubber according to claim 1, characterized by comprising the following steps:
(1) Preparation of ENR plasticated rubber
Adding ENR into an internal mixer, plasticating for 180-220 s at the rotor speed of 40rpm and the rubber discharge temperature of 120-125 ℃ to prepare ENR plasticated rubber, and standing for 8h for use;
(2) Preparation of SiO 2 ADP hybrid flame-retardant reinforced material
Adding white carbon black, diethyl aluminum hypophosphite, aramid fiber pulp and nano silicon nitride into a kneader, heating and stirring at the stirring speed of 350-400rpm to 40-60 ℃, spraying glycidyl methacrylate, continuously heating and stirring, stirring at the temperature of 100-105 ℃ for 10-15min, and performing bio-based monomer modification on the mixture to prepare SiO 2 Cooling the/ADP hybrid flame-retardant reinforcing material to normal temperature for later use;
(3) Preparation of SiO 2 ADP/CSM hybrid modified masterbatch
SiO prepared in the step (2) 2 Adding the/ADP hybrid flame-retardant reinforcing material into an internal mixer, heating to 70-80 ℃ at the rotor rotating speed of 20rpm, adding CSM30, and blending to SiO 2 Performing macromolecular modification on the/ADP hybrid flame-retardant reinforced material, blending for 150-180s, discharging the glue at 120-125 ℃, taking out the sheet, cooling to normal temperature, and preparing the SiO 2 the/ADP/CSM hybrid modified master batch is used after standing for 8 hours;
(4) Preparation of a first-stage rubber composition
Firstly, SSBR2000R, ENR plasticated rubber and SiO prepared in the step (3) 2 Putting the/ADP/CSM hybrid modified master batch into an internal mixer, mixing for 120-150s at the rotor rotating speed of 40rpm of the internal mixer, then adding zinc oxide, stearic acid, an anti-aging agent, paraffin, carbon black, chlorinated paraffin, antimony trioxide, red phosphorus and an antistatic agent, continuously mixing for 210-240s at the rubber discharging temperature of 130-135 ℃, discharging sheets, cooling to prepare a section of mixed rubber, and standing for 8h for use;
(5) Preparation of two-stage rubber mixtures
And (3) putting the first-stage rubber compound prepared in the step (4), sulfur, magnesium oxide and an accelerator into an internal mixer, mixing for 100-120s at the rotor speed of the internal mixer of 20rpm and the rubber discharge temperature of 90-100 ℃, discharging sheets, and cooling to obtain a second-stage rubber compound.
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| CN202211653900.7A CN115710389B (en) | 2022-12-22 | 2022-12-22 | Low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering adhesive and preparation method thereof |
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| CN202211653900.7A CN115710389B (en) | 2022-12-22 | 2022-12-22 | Low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering adhesive and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103772743A (en) * | 2012-10-24 | 2014-05-07 | 中国石油化工股份有限公司 | Nano composite material, preparation method thereof, vulcanized rubber, and applications of vulcanized rubber |
| CN107501638A (en) * | 2017-08-14 | 2017-12-22 | 安徽欧耐橡塑工业有限公司 | Fabric laminated flame retardant conveyer belt used for coal mine coating elastomer and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103772743A (en) * | 2012-10-24 | 2014-05-07 | 中国石油化工股份有限公司 | Nano composite material, preparation method thereof, vulcanized rubber, and applications of vulcanized rubber |
| CN107501638A (en) * | 2017-08-14 | 2017-12-22 | 安徽欧耐橡塑工业有限公司 | Fabric laminated flame retardant conveyer belt used for coal mine coating elastomer and preparation method thereof |
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| Title |
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| 许体文等: "环氧化天然橡胶改性的丁苯橡胶/白炭黑复合材料的形态和性能", 《合成橡胶工业》, vol. 34, no. 4, pages 291 - 295 * |
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