CN115710389B - Low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering adhesive and preparation method thereof - Google Patents
Low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering adhesive and preparation method thereof Download PDFInfo
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 77
- 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 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 239000000853 adhesive Substances 0.000 title claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 13
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 39
- 238000007599 discharging Methods 0.000 claims abstract description 38
- 239000012779 reinforcing material Substances 0.000 claims abstract description 38
- 238000002156 mixing Methods 0.000 claims abstract description 32
- 238000009396 hybridization Methods 0.000 claims abstract description 25
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000012188 paraffin wax Substances 0.000 claims abstract description 22
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 19
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 239000000178 monomer Substances 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims description 63
- 239000005060 rubber Substances 0.000 claims description 63
- 239000003292 glue Substances 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 20
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 18
- 239000006229 carbon black Substances 0.000 claims description 18
- 238000010438 heat treatment 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
- 150000001875 compounds Chemical class 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- 230000003712 anti-aging effect Effects 0.000 claims description 11
- 239000003795 chemical substances by application Substances 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
- 239000000203 mixture Substances 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000011787 zinc oxide Substances 0.000 claims description 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- 239000004760 aramid Substances 0.000 claims description 8
- 229920003235 aromatic polyamide Polymers 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
- 230000018729 macromolecule modification Effects 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- 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
- 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
- 229920006978 SSBR Polymers 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 239000012855 volatile organic compound Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003245 coal Substances 0.000 abstract description 5
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- XSAOTYCWGCRGCP-UHFFFAOYSA-K aluminum;diethylphosphinate Chemical compound [Al+3].CCP([O-])(=O)CC.CCP([O-])(=O)CC.CCP([O-])(=O)CC XSAOTYCWGCRGCP-UHFFFAOYSA-K 0.000 description 54
- 239000004636 vulcanized rubber Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 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 adhesive and a preparation method thereof, and is characterized in that SiO is selected 2 ADP, AP, nano Si 3 N 4 Blending, firstly, modifying the bio-based monomer by GMA to prepare SiO 2 ADP hybridization flame-retardant reinforcing material, and then macromolecular modification treatment is carried out by CSM to prepare SiO 2 ADP/CSM hybrid modified masterbatch, and then mixed with 70% chlorinated paraffin, antimonous oxide and red phosphorus to form a flame-retardant reinforcing system to be mixed with SSBR/ENR to prepare the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering adhesive, which not only meets the flame-retardant and antistatic properties of the steel wire rope core flame-retardant conveyor belt for coal mines, but also has excellent mechanical properties, low rolling resistance and good wear resistance, and can reduce steel wire ropesEnergy consumption of the core flame-retardant conveying belt in the use process, service life of the core flame-retardant conveying belt is prolonged, and VOC (volatile organic compounds) in the production process is reduced S And (5) discharging. Simple process and easy manufacture.
Description
Technical Field
The invention relates to the technical field of conveyor belts, in particular to a low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering adhesive 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 current implementation standard is MT/T668-2019. The MT668 standard steel wire rope core flame-retardant conveying belt has good flame-retardant and antistatic properties, and has the main problems that: firstly, the mechanical property of the covering layer is poor, the outstanding performance is poor in wear resistance and short in service life; and secondly, the rolling resistance (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 is modified by using a silane coupling agent to modify white carbon black and a flame retardant, and a large amount of VOCs are generated in the production process, so that environmental pollution is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveying belt covering adhesive which not only meets the flame-retardant and antistatic properties 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 reduce VOC in the production process 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 invention is achieved by the following means.
The invention provides a low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering rubber, which comprises the following components in parts 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, 4020 part of antioxidant 4021 part of paraffin, 1 part of N234 carbon black 25-35 parts, 16-20 parts of 70% chlorinated paraffin, 6-10 parts of antimony trioxide, 6-10 parts of red phosphorus and SiO 2 35-45 parts of ADP hybridization flame-retardant reinforcing material, 88 parts of adhesive AS-88 parts of antistatic agent K01 parts.
The SiO is 2 ADP hybrid flame retardant reinforcing material is white carbon black (SiO) 2 ) Aluminum Diethylphosphinate (ADP)/Aramid Pulp (AP)/nano silicon nitride (Si) 3 N 4 ) Composition of Glycidyl Methacrylate (GMA), white carbon black (SiO 2 ) Aluminum Diethylphosphinate (ADP)/Aramid Pulp (AP)/nano silicon nitride (Si) 3 N 4 ) The mass ratio of Glycidyl Methacrylate (GMA) is 45%/40%/6%/5%/4%.
The preparation method 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 glue discharging temperature of 120-125 ℃ to prepare ENR plasticated glue, and standing for 8 hours for use;
(2) Preparation of SiO 2 ADP hybrid flame retardant reinforcing material
SiO is made of 2 ADP, AP, nano Si 3 N 4 Heating and stirring in kneader at 350-400rpm, heating to 40-60deg.C, spraying GMA, stirring at 100-105deg.C for 10-15min, and modifying the mixture with bio-based monomer to obtain SiO 2 ADP hybridization flame-retardant reinforcing material, cooling to normal temperature for standby;
(3) Preparation of SiO 2 ADP/CSM hybrid modified masterbatch
SiO prepared in the step (2) is reacted with 2 Adding ADP hybridized flame-retardant reinforcing material into an internal mixer, heating to 70-80 ℃,then CSM is added for blending, and SiO is treated 2 Carrying out macromolecule modification on the ADP hybridization flame-retardant reinforcing material, blending for 150-180s, discharging glue at 120-125 ℃, discharging tablets, cooling to normal temperature, and preparing SiO 2 ADP/CSM hybridization modified masterbatch, and is used after 8 hours of parking;
(4) Preparation of one-stage rubber compound
Firstly SSBR, plasticating ENR and SiO prepared in the step (3) 2 Adding ADP/CSM hybrid modified masterbatch into an internal mixer, mixing for 120-150s at the rotating speed of the rotor of the internal mixer of 40rpm, 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, discharging rubber at 130-135 ℃, discharging the rubber, cooling to prepare a section of rubber compound, and standing for 8h for use;
(5) Preparation of two-stage rubber compound
And (3) putting the first-stage mixed rubber prepared in the step (4), sulfur, magnesium oxide and an accelerator into an internal mixer, mixing for 100-120s at the rotor speed of 20rpm, discharging rubber at the temperature of 90-100 ℃, discharging the rubber, cooling to obtain a second-stage mixed rubber, namely the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering rubber.
Compared with the prior art, the invention has the following beneficial effects.
1. SiO is selected for use 2 ADP, AP, nano Si 3 N 4 Blending, firstly, modifying the bio-based monomer by GMA to prepare SiO 2 ADP hybrid flame retardant reinforcing material, then SiO via CSM 2 Carrying out macromolecule modification treatment on the ADP hybridization flame-retardant reinforcing material to prepare SiO 2 The ADP/CSM hybrid modified masterbatch is blended with SSBR/ENR, and the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering adhesive is prepared by optimizing the formula and the process, so that the flame-retardant and antistatic properties of the steel wire rope core flame-retardant conveyor belt for coal mines are met, the steel wire rope core flame-retardant conveyor belt has excellent mechanical properties, low rolling resistance and good wear resistance, the energy consumption of the steel wire rope core flame-retardant conveyor belt in the use process can be reduced, the service life of the steel wire rope core flame-retardant conveyor belt is prolonged, and the VOC (volatile organic compound) in the production process is reduced S And (5) discharging.
2. 70% chlorinated paraffin/trioxix is selectedAntimony/red phosphorus and SiO 2 The flame-retardant reinforcing system formed by the ADP/CSM hybrid modified masterbatch is blended with SSBR/ENR, has a synergistic effect, and can simultaneously improve the flame retardance, the wear resistance and the low rolling resistance of the covering rubber.
3. SiO using biobased monomer-Glycidyl Methacrylate (GMA) instead of silane coupling agent 2 The ADP hybridization flame-retardant reinforcing material is modified, so that the emission of VOCs in the modification treatment and vulcanization processes can be reduced, and the environment is protected. The addition of GMA can lead to SiO 2 ADP hybridization flame-retardant reinforcing materials are more uniformly dispersed, payne effect is weakened, meanwhile, the vulcanization time of the covering glue is shortened, rolling resistance is reduced, and mechanical properties are improved.
4. SiO using CSM 2 The ADP hybridization flame-retardant reinforcing material is modified by macromolecules, and can effectively coat SiO 2 ADP hybridization flame retardant reinforcing material and CSM is firstly combined with SiO 2 SiO prepared by mixing ADP hybridized flame-retardant reinforcing material 2 The ADP/CSM hybrid modified masterbatch is blended with SSBR/ENR, so that the flame retardant property of the vulcanized rubber can be greatly improved, the wear resistance of the vulcanized rubber can be improved, and the rolling resistance of the vulcanized rubber can be effectively reduced.
5. Will be SiO 2 ADP, AP, nano Si 3 N 4 Blending, firstly using GMA to modify bio-based monomers, and then using CSM to modify macromolecules, so that the flame retardant property, low rolling resistance property and wear resistance property of vulcanized rubber are obviously improved.
Detailed Description
The following examples are presented 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 conveying belt covering rubber, which comprises the following components in parts 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 anti-aging agent RD, 4020 part of anti-aging agent, 1 part of paraffin and 25 parts of N234 carbon black16 parts of 70% chlorinated paraffin, 8 parts of antimonous oxide, 10 parts of red phosphorus and SiO 2 45 parts of ADP hybridization flame-retardant reinforcing material, 2 parts of adhesive AS-88 parts of antistatic agent K01 parts.
The SiO is 2 ADP hybrid flame retardant reinforcing material is white carbon black (SiO) 2 ) Aluminum Diethylphosphinate (ADP)/Aramid Pulp (AP)/nano silicon nitride (Si) 3 N 4 ) A composition of Glycidyl Methacrylate (GMA) comprises five components in a mass ratio of 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 glue discharging temperature of 120-125 ℃ to prepare ENR plasticated glue, and standing for 8 hours for use;
(2) Preparation of SiO 2 ADP hybrid flame retardant reinforcing material
SiO is made of 2、 ADP, AP and nano Si 3 N 4 Heating and stirring in kneader at 350-400rpm, heating to 40-60deg.C, spraying GMA, stirring at 100-105deg.C for 10-15min, and modifying the mixture with bio-based monomer to obtain SiO 2 ADP hybridization flame-retardant reinforcing material, cooling to normal temperature for standby;
(3) Preparation of SiO 2 ADP/CSM hybrid modified masterbatch
SiO prepared in the step (2) is reacted with 2 Adding ADP hybridized flame-retardant reinforcing material into an internal mixer, heating to 70-80 ℃ at the rotor speed of 20rpm, adding CSM, blending, and mixing SiO 2 Carrying out macromolecule modification on the ADP hybridization flame-retardant reinforcing material, blending for 150-180s, discharging glue at 120-125 ℃, discharging tablets, cooling to normal temperature, and preparing SiO 2 ADP/CSM hybridization modified masterbatch, and is used after 8 hours of parking;
(4) Preparation of one-stage rubber compound
Firstly, SSBR and ENR plasticated rubber and SiO prepared in the step (3) 2 Adding ADP/CSM hybrid modified masterbatch into an internal mixer, mixing for 120-150s at the rotation speed of the rotor of the internal mixer of 40rpmAdding zinc oxide, stearic acid, an anti-aging agent, paraffin, carbon black, chlorinated paraffin, antimonous oxide, red phosphorus and antistatic agent, continuously mixing for 210-240s, discharging glue at 130-135 ℃, discharging sheets, cooling, preparing a section of mixed glue, and standing for 8 hours for use;
(5) Preparation of two-stage rubber compound
And (3) putting the first-stage mixed rubber prepared in the step (4), sulfur, magnesium oxide and an accelerator into an internal mixer, mixing for 100-120s at the rotor speed of 20rpm, discharging rubber at the temperature of 90-100 ℃, discharging the rubber, cooling to obtain a second-stage mixed rubber, namely the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering rubber.
Vulcanizing on a plate vulcanizing machine (temperature 150 ℃, pressure 10MPa, time 20 min), and detecting data of the covering rubber of the embodiment are shown in table 1.
Example 2
The embodiment provides a low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveying belt covering rubber, which comprises the following components in parts 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 anti-aging agent RD, 4020 part of anti-aging agent, 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 and SiO 2 40 parts of ADP hybridization flame-retardant reinforcing material, 2 parts of adhesive AS-88 parts of antistatic agent K01 parts.
The SiO is 2 ADP hybrid flame retardant reinforcing material is white carbon black (SiO) 2 ) Aluminum Diethylphosphinate (ADP)/Aramid Pulp (AP)/nano silicon nitride (Si) 3 N 4 ) A composition of Glycidyl Methacrylate (GMA) comprises five components in a mass ratio of 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 glue discharging temperature of 120-125 ℃ to prepare ENR plasticated glue, and standing for 8 hours for use;
(2) Preparation of SiO 2 ADP hybrid flame retardant reinforcing material
SiO is made of 2、 ADP, AP and nano Si 3 N 4 Heating and stirring in kneader at 350-400rpm, heating to 40-60deg.C, spraying GMA, stirring at 100-105deg.C for 10-15min, and modifying the mixture with bio-based monomer to obtain SiO 2 ADP hybridization flame-retardant reinforcing material, cooling to normal temperature for standby;
(3) Preparation of SiO 2 ADP/CSM hybrid modified masterbatch
SiO prepared in the step (2) is reacted with 2 Adding ADP hybridized flame-retardant reinforcing material into an internal mixer, heating to 70-80 ℃ at the rotor speed of 20rpm, adding CSM, blending, and mixing SiO 2 Carrying out macromolecule modification on the ADP hybridization flame-retardant reinforcing material, blending for 150-180s, discharging glue at 120-125 ℃, discharging tablets, cooling to normal temperature, and preparing SiO 2 ADP/CSM hybridization modified masterbatch, and is used after 8 hours of parking;
(4) Preparation of one-stage rubber compound
Firstly, SSBR and ENR plasticated rubber and SiO prepared in the step (3) 2 Adding ADP/CSM hybrid modified masterbatch into an internal mixer, mixing for 120-150s at the rotating speed of the rotor of the internal mixer of 40rpm, 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, discharging rubber at 130-135 ℃, discharging the rubber, cooling to prepare a section of rubber compound, and standing for 8h for use;
(5) Preparation of two-stage rubber compound
And (3) putting the first-stage mixed rubber prepared in the step (4), sulfur, magnesium oxide and an accelerator into an internal mixer, mixing for 100-120s at the rotor speed of 20rpm, discharging rubber at the temperature of 90-100 ℃, discharging the rubber, cooling to obtain a second-stage mixed rubber, namely the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering rubber.
Vulcanizing on a plate vulcanizing machine (temperature 150 ℃, pressure 10MPa, time 20 min), and detecting data of the covering rubber of the embodiment are shown in table 1.
Example 3
The embodiment provides a low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveying belt covering rubber, which comprises the following components in parts by weight:
30 parts of ENR, 50 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 anti-aging agent RD, 4020 part of anti-aging agent, 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 and SiO 2 45 parts of ADP hybridization flame-retardant reinforcing material, 2 parts of adhesive AS-88 parts of antistatic agent K01 parts.
The SiO is 2 ADP hybrid flame retardant reinforcing material is white carbon black (SiO) 2 ) Aluminum Diethylphosphinate (ADP)/Aramid Pulp (AP)/nano silicon nitride (Si) 3 N 4 ) A composition of Glycidyl Methacrylate (GMA) comprises five components in a mass ratio of 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 glue discharging temperature of 120-125 ℃ to prepare ENR plasticated glue, and standing for 8 hours for use;
(2) Preparation of SiO 2 ADP hybrid flame retardant reinforcing material
SiO is made of 2、 ADP, AP and nano Si 3 N 4 Heating and stirring in kneader at 350-400rpm, heating to 40-60deg.C, spraying GMA, stirring at 100-105deg.C for 10-15min, and modifying the mixture with bio-based monomer to obtain SiO 2 ADP hybridization flame-retardant reinforcing material, cooling to normal temperature for standby;
(3) Preparation of SiO 2 ADP/CSM hybrid modified masterbatch
SiO prepared in the step (2) is reacted with 2 Adding ADP hybridized flame-retardant reinforcing material into an internal mixer, heating to 70-80 ℃ at the rotor speed of 20rpm, adding CSM, blending, and mixing SiO 2 The ADP hybridization flame-retardant reinforcing material is modified by macromolecules,blending for 150-180s, discharging glue at 120-125deg.C, discharging, cooling to room temperature, and making into SiO 2 ADP/CSM hybridization modified masterbatch, and is used after 8 hours of parking;
(4) Preparation of one-stage rubber compound
Firstly, SSBR and ENR plasticated rubber and SiO prepared in the step (3) 2 Adding ADP/CSM hybrid modified masterbatch into an internal mixer, mixing for 120-150s at the rotating speed of the rotor of the internal mixer of 40rpm, 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, discharging rubber at 130-135 ℃, discharging the rubber, cooling to prepare a section of rubber compound, and standing for 8h for use;
(5) Preparation of two-stage rubber compound
And (3) putting the first-stage mixed rubber prepared in the step (4), sulfur, magnesium oxide and an accelerator into an internal mixer, mixing for 100-120s at the rotor speed of 20rpm, discharging rubber at the temperature of 90-100 ℃, discharging the rubber, cooling to obtain a second-stage mixed rubber, namely the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering rubber.
Vulcanizing on a plate vulcanizing machine (temperature 150 ℃, pressure 10MPa, time 20 min), and detecting data of the covering rubber of the embodiment are shown in table 1.
TABLE 1 detection data
。
Claims (1)
1. The utility model provides a fire-retardant conveyer belt covering rubber of low rolling resistance high wear-resisting wire rope core 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, 30-20 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, 4020 part of antioxidant, 1 part of paraffin, 25-35 parts of N234 carbon black, 16-20 parts of 70% chlorinated paraffin, 6-10 parts of antimonous oxide, 6-10 parts of red phosphorus and SiO 2 /A35-45 parts of DP hybridized flame retardant reinforcing material, 88-2 parts of adhesive AS, and 2 parts of antistatic agent K01;
the SiO is 2 The ADP hybrid flame-retardant reinforcing 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%;
the low-rolling-resistance high-wear-resistance steel wire rope core flame-retardant conveyor belt covering adhesive comprises the following preparation 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 glue discharging temperature of 120-125 ℃ to prepare ENR plasticated glue, and standing for 8 hours for use;
(2) Preparation of SiO 2 ADP hybrid flame retardant reinforcing material
Heating and stirring white carbon black, diethyl aluminum hypophosphite, aramid pulp and nano silicon nitride in a kneader at a stirring speed of 350-400rpm, heating to 40-60 ℃, spraying glycidyl methacrylate, continuously heating and stirring, stirring at 100-105 ℃ for 10-15min, and modifying the mixture with bio-based monomers to obtain SiO 2 ADP hybridization flame-retardant reinforcing material, cooling to normal temperature for standby;
(3) Preparation of SiO 2 ADP/CSM hybrid modified masterbatch
SiO prepared in the step (2) is reacted with 2 Adding ADP hybridized flame-retardant reinforcing material into an internal mixer, heating to 70-80 ℃ at 20rpm of rotor speed of the internal mixer, adding CSM30, blending, and mixing SiO 2 Carrying out macromolecule modification on the ADP hybridization flame-retardant reinforcing material, blending for 150-180s, discharging glue at 120-125 ℃, discharging tablets, cooling to normal temperature, and preparing SiO 2 ADP/CSM hybridization modified masterbatch, and is used after 8 hours of parking;
(4) Preparation of one-stage rubber compound
Firstly, SSBR2000R, ENR plasticating and SiO prepared in the step (3) 2 Mixing ADP/CSM hybridized modified masterbatch in an internal mixer at 40rpm for 120-150s, and adding zinc oxideMixing stearic acid, an anti-aging agent, paraffin, carbon black, chlorinated paraffin, antimony trioxide, red phosphorus and an antistatic agent for 210-240s, discharging glue at 130-135 ℃, discharging sheets, cooling to prepare a section of mixed glue, and standing for 8 hours for use;
(5) Preparation of two-stage rubber compound
And (3) putting the first-stage mixed rubber prepared in the step (4), sulfur, magnesium oxide and an accelerator into an internal mixer, mixing for 100-120s at the speed of 20rpm of the rotor of the internal mixer, discharging rubber at the temperature of 90-100 ℃, discharging the rubber, and cooling to obtain the second-stage mixed rubber.
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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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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 |
Non-Patent Citations (1)
| Title |
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| 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;许体文等;《合成橡胶工业》;第34卷(第4期);291-295 * |
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