CN114106433A - High-performance rubber conveyer belt covering rubber and preparation method thereof - Google Patents
High-performance rubber conveyer belt covering rubber and preparation method thereof Download PDFInfo
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- CN114106433A CN114106433A CN202111550602.0A CN202111550602A CN114106433A CN 114106433 A CN114106433 A CN 114106433A CN 202111550602 A CN202111550602 A CN 202111550602A CN 114106433 A CN114106433 A CN 114106433A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
- C08L9/08—Latex
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
- C08L11/02—Latex
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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Abstract
The invention relates to the technical field of rubber conveyor belt covering rubber, and discloses high-performance rubber conveyor belt covering rubber and a preparation method thereof, aiming at solving the problem that the mechanical property of a conveyor belt prepared from the existing rubber conveyor belt covering rubber is poor, wherein the high-performance rubber conveyor belt covering rubber comprises the following raw material components: latex, flame retardant, petroleum resin, activator, accelerator, sulfur, reinforcing agent, anti-aging agent and surfactant. The prepared raw rubber of the covering rubber, the core layer rubber and the framework material are compounded and vulcanized to form the conveyer belt, the obtained conveyer belt has excellent tensile strength, elongation at break, hardness and abrasion performance, and the damage of procedures such as high-temperature banburying, open mixing, calendering and the like to rubber molecular chains during the production of the traditional rubber conveyer belt is avoided, so that various mechanical properties of the rubber conveyer belt are obviously improved.
Description
Technical Field
The invention relates to the technical field of rubber conveyor belt covering rubber, in particular to high-performance rubber conveyor belt covering rubber and a preparation method thereof.
Background
In the industrial processing process, a conveyor belt is needed to convey bulk materials, and the rubber conveyor belt mainly comprises covering rubber, core layer rubber and framework materials. In the use process of the conveyer belt, the covering rubber is a part directly contacting with conveyed materials, so that the conveyer belt has higher requirements on wear resistance, tear resistance, heat resistance and the like. The conveyer belt prepared by the existing covering rubber has the problems of poor performances such as wear resistance, tear resistance and the like when in use.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-performance rubber conveyer belt covering rubber and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-performance rubber conveyer belt covering rubber comprises the following raw material components in parts by weight: 100 parts of latex, 0.1-10 parts of flame retardant, 0.1-30 parts of petroleum resin, 0.1-30 parts of activator, 0.1-10 parts of accelerator, 0.1-10 parts of sulfur, 0.1-90 parts of reinforcing agent, 0.1-10 parts of anti-aging agent and 0.1-10 parts of surfactant.
Preferably, the flame retardant is one or a mixture of more of antimony oxide, aluminum hydroxide, magnesium hydroxide, zinc borate, barium borate, microencapsulated red phosphorus, a high-nitrogen flame retardant MCA, a flame retardant TCEP, a flame retardant TCPP, a flame retardant TDCPP, a flame retardant IPPP, a flame retardant RDP, hexabromocyclododecane, octabromoether, bromotriazine, tetrabromoether, tetrabromophthalic anhydride, tetrabromobisphenol A, decabromodiphenyl ether, chlorinated paraffin and chlorinated polyethylene.
Preferably, the activating agent is one or more of zinc oxide, active zinc oxide, zinc carbonate, magnesium oxide, calcium oxide, lead monoxide, lead tetroxide, magnesium carbonate, basic lead carbonate, basic aluminum silicate, stannous chloride, cadmium oxide, calcium hydroxide, stearic acid, zinc stearate, lead stearate, oleic acid, lauric acid, zinc stearate, triethanolamine, diethylene glycol, poly-p-dinitrosobenzene, tetrachlorobenzoquinone, trimethylolpropane trimethacrylate.
Preferably, the accelerator is one or more of dithioformate, xanthic acid, thiuram, thiazole, sulfenamide, guanidine, thiourea, aldehyde amine and amine accelerator.
Preferably, the reinforcing agent is one or a mixture of more of carbon black, precipitated silica, fumed silica, calcium carbonate, magnesium oxide, magnesium carbonate, aluminum hydroxide, montmorillonite, attapulgite, clay, fiber, talcum powder, mica powder, carbon nanotube and graphene.
Preferably, the rubber latex is one or more of natural rubber latex, styrene-butadiene rubber latex, nitrile rubber latex, chloroprene rubber latex, butadiene latex, polysulfide latex, fluorine rubber latex, silicone rubber latex, vinyl acetate homo-and copolymer latex, acrylate latex, polyvinyl chloride latex, vinylidene chloride latex, styrene-acrylic latex, butyl latex, polyisoprene latex, ethylene-propylene latex, polyurethane latex, polyethylene latex and epoxy resin latex.
Preferably, the anti-aging agent is one or a mixture of more of anti-aging agent 4010, anti-aging agent A, anti-aging agent D, anti-aging agent IPPD, anti-aging agent 6PPD, anti-aging agent 7PPD, anti-aging agent DTPD, anti-aging agent H, anti-aging agent DNP, anti-aging agent TPPD, anti-aging agent OPPD, anti-aging agent 4030 and anti-aging agent 8 PPD.
Preferably, the surfactant is one or a mixture of more of linear alkyl benzene sulfonate, fatty alcohol-polyoxyethylene ether sodium sulfate, fatty alcohol-polyoxyethylene ether ammonium sulfate, sodium lauryl sulfate, nonylphenol polyoxyethylene ether, peregal O, diethanol amide stearic acid monoglyceride, lignosulfonate, heavy alkylbenzene sulfonate, alkyl polyether and fatty alcohol-polyoxyethylene ether.
The preparation method of the high-performance rubber conveyer belt covering rubber comprises the following steps:
step 1: weighing the components in parts by weight;
step 2: adding a surfactant into water, fully stirring and dissolving, adding a rubber reinforcing agent, a vulcanization aid and other aids, stirring and dispersing into slurry, introducing into a grinding machine, grinding, and adding a thickening agent to obtain a dispersion;
and step 3: adding the dispersoid into rubber latex, stirring at normal temperature, coating the mixed latex mixed solution on a drying track, and drying and dehydrating by a dryer to obtain the sheet covering raw rubber.
Preferably, the grinding time in the step 2 is 0.5-24 h; in the step 3, the stirring time is 15-60 min.
The prepared raw rubber of the covering rubber, the core layer rubber and the framework material are compounded and vulcanized to form the conveyer belt, the obtained conveyer belt has excellent tensile strength, elongation at break, hardness and abrasion performance, and the damage of procedures such as high-temperature banburying, open mixing, calendering and the like to rubber molecular chains during the production of the traditional rubber conveyer belt is avoided, so that various mechanical properties of the rubber conveyer belt are obviously improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1
Weighing 100 parts of styrene-butadiene latex, 5 parts of magnesium hydroxide, 15 parts of water-based petroleum resin, 8 parts of zinc oxide, 3 parts of stearic acid, 2 parts of an accelerator TMTD, 2 parts of sulfur, 30 parts of carbon black N33030, 40101 parts of an anti-aging agent and 1 part of sodium dodecyl benzene sulfonate; adding sodium dodecyl benzene sulfonate into water, stirring for 15min, adding magnesium hydroxide, zinc oxide, stearic acid, a promoter TMTD, sulfur, carbon black N330 and an anti-aging agent 4010, grinding for 5h at normal temperature, then adding the mixture into styrene butadiene latex, adding aqueous petroleum resin, stirring uniformly at high speed, coating and drying through a coating machine to obtain covering raw rubber with a certain thickness, and compounding and vulcanizing the covering raw rubber, the core layer rubber and the framework material to obtain the final conveying belt.
Example 2
Weighing 100 parts of styrene-butadiene latex, 0.1 part of magnesium hydroxide, 0.1 part of water-based petroleum resin, 0.1 part of zinc oxide, 0.1 part of promoter TMTD, 0.1 part of sulfur, 0.78 part of carbon black N3300.1 part, 40100.1 parts of anti-aging agent and 0.1 part of sodium dodecyl benzene sulfonate; adding sodium dodecyl benzene sulfonate into water, fully stirring and dissolving, adding magnesium hydroxide, zinc oxide, a promoter TMTD, sulfur, carbon black N330 and an anti-aging agent 4010, stirring and dispersing into slurry, introducing into a grinding machine, grinding for 0.5h, and adding a thickening agent to obtain a dispersion; adding the dispersoid into butadiene latex, adding water-based petroleum resin, stirring for 15min at normal temperature, coating the mixed latex mixed solution on a drying track, drying and dehydrating by a dryer to obtain sheet covering raw rubber, and compounding and vulcanizing the covering raw rubber, the core layer rubber and the framework material to obtain the final conveyer belt.
Example 3
Weighing 100 parts of styrene-butadiene latex, 10 parts of magnesium hydroxide, 30 parts of water-based petroleum resin, 30 parts of zinc oxide, 10 parts of promoter TMTD, 10 parts of sulfur, 33090 parts of carbon black N, 401010 parts of anti-aging agent and 10 parts of sodium dodecyl benzene sulfonate; adding sodium dodecyl benzene sulfonate into water, fully stirring and dissolving, adding magnesium hydroxide, zinc oxide, a promoter TMTD, sulfur, carbon black N330 and an anti-aging agent 4010, stirring and dispersing into slurry, introducing into a grinding machine, grinding for 24 hours, and adding a thickening agent to obtain a dispersion; adding the dispersoid into butadiene latex, adding water-based petroleum resin, stirring at normal temperature for 60min, coating the mixed latex mixed solution on a drying track, drying and dehydrating by a dryer to obtain sheet-shaped raw cover rubber, and compounding and vulcanizing the raw cover rubber, the core layer rubber and the framework material to obtain the final conveyer belt.
Example 4
Weighing 100 parts of styrene-butadiene latex, 5 parts of magnesium hydroxide, 15 parts of water-based petroleum resin, 15 parts of zinc oxide, 5 parts of promoter TMTD, 5 parts of sulfur, 45 parts of carbon black N33045, 40105 parts of anti-aging agent and 5 parts of sodium dodecyl benzene sulfonate; adding sodium dodecyl benzene sulfonate into water, fully stirring and dissolving, adding magnesium hydroxide, zinc oxide, a promoter TMTD, sulfur, carbon black N330 and an anti-aging agent 4010, stirring and dispersing into slurry, introducing into a grinding machine, grinding for 12 hours, and adding a thickening agent to obtain a dispersion; adding the dispersoid into butadiene latex, adding water-based petroleum resin, stirring at normal temperature for 35min, coating the mixed latex mixed solution on a drying track, drying and dehydrating by a dryer to obtain sheet covering raw rubber, and compounding and vulcanizing the covering raw rubber, the core layer rubber and the framework material to obtain the final conveyer belt.
Example 5
Weighing 50 parts of styrene-butadiene latex, 50 parts of chloroprene rubber emulsion, 5 parts of magnesium hydroxide, 5 parts of aluminum hydroxide, 30 parts of petroleum resin, 5 parts of zinc oxide, 5 parts of magnesium oxide, 5 parts of promoter TMTD, 5 parts of aldehyde amine promoter, 10 parts of sulfur, 45 parts of carbon black N33045, 45 parts of calcium carbonate, 40105 parts of anti-aging agent, 5 parts of anti-aging agent A, 5 parts of sodium dodecyl benzene sulfonate and 5 parts of sodium lauryl sulfate; adding sodium dodecyl benzene sulfonate and sodium lauryl sulfate into water, fully stirring and dissolving, adding magnesium hydroxide, aluminum hydroxide, zinc oxide, magnesium oxide, a promoter TMTD, an aldehyde amine promoter, sulfur, carbon black N330, calcium carbonate, an anti-aging agent 4010 and an anti-aging agent A, stirring and dispersing into slurry, introducing into a grinding machine, grinding for 12 hours, and adding a thickening agent to obtain a dispersion body; adding the dispersoid into styrene-butadiene latex and chloroprene rubber emulsion, adding petroleum resin, stirring for 35min at normal temperature, coating the mixed latex mixed solution on a drying track, drying and dehydrating by a dryer to obtain sheet covering raw rubber, and compounding and vulcanizing the covering raw rubber, the core layer rubber and the framework material to obtain the final conveying belt.
Example 6
Weighing 50 parts of styrene-butadiene latex, 50 parts of chloroprene rubber emulsion, 1 part of magnesium hydroxide, 1 part of aluminum hydroxide, 2 parts of petroleum resin, 1 part of zinc oxide, 0.5 part of magnesium oxide, 1.5 parts of promoter TMTD, 1.5 parts of aldehyde amine promoter, 1 part of sulfur, 2 parts of carbon black N3302, 2 parts of calcium carbonate, 40101 parts of anti-aging agent, 1 part of anti-aging agent A, 1 part of sodium dodecyl benzene sulfonate and 1 part of sodium lauryl sulfate; adding sodium dodecyl benzene sulfonate and sodium lauryl sulfate into water, fully stirring and dissolving, adding magnesium hydroxide, aluminum hydroxide, zinc oxide, magnesium oxide, a promoter TMTD, an aldehyde amine promoter, sulfur, carbon black N330, calcium carbonate, an anti-aging agent 4010 and an anti-aging agent A, stirring and dispersing into slurry, introducing into a grinding machine, grinding for 12 hours, and adding a thickening agent to obtain a dispersion body; adding the dispersoid into styrene-butadiene latex and chloroprene rubber emulsion, adding petroleum resin, stirring for 35min at normal temperature, coating the mixed latex mixed solution on a drying track, drying and dehydrating by a dryer to obtain sheet covering raw rubber, and compounding and vulcanizing the covering raw rubber, the core layer rubber and the framework material to obtain the final conveying belt.
The tensile strength, elongation at break, hardness and abrasion performance of the conveyor belt prepared in example 1 of the present invention were tested according to the test standards, and the test results and test standards are shown in table 1:
TABLE 1
| Test items | Performance data | Test standard |
| Tensile strength | 29.5MPa | GB/T528-1998 |
| Elongation at break | 760％ | GB/T528-1998 |
| Hardness of | 60ShA | GB/T6031-1998 |
| Wear and tear | 0.015cm3/40M | DIN-53516 |
As can be seen from table 1, the tensile strength, elongation at break, hardness and wear performance data of the conveyor belt prepared in example 1 of the present invention all meet or exceed the test standards.
The prepared raw rubber of the covering rubber, the core layer rubber and the framework material are compounded and vulcanized to form the conveyer belt, the obtained conveyer belt has excellent tensile strength, elongation at break, hardness and abrasion performance, and the damage of procedures such as high-temperature banburying, open mixing, calendering and the like to rubber molecular chains during the production of the traditional rubber conveyer belt is avoided, so that various mechanical properties of the rubber conveyer belt are obviously improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The high-performance rubber conveyer belt covering rubber is characterized by comprising the following raw material components in parts by weight: 100 parts of latex, 0.1-10 parts of flame retardant, 0.1-30 parts of petroleum resin, 0.1-30 parts of activator, 0.1-10 parts of accelerator, 0.1-10 parts of sulfur, 0.1-90 parts of reinforcing agent, 0.1-10 parts of anti-aging agent and 0.1-10 parts of surfactant.
2. The rubber conveyor belt cover rubber of claim 1, wherein the flame retardant is one or more of antimony oxide, aluminum hydroxide, magnesium hydroxide, zinc borate, barium borate, microencapsulated red phosphorus, high nitrogen flame retardant MCA, flame retardant TCEP, flame retardant TCPP, flame retardant TDCPP, flame retardant IPPP, flame retardant RDP, hexabromocyclododecane, octabromoether, bromotriazine, tetrabromodiphenyl ether, tetrabromobisphenol A, decabromodiphenyl ether, chlorinated paraffin, and chlorinated polyethylene.
3. The rubber conveyor belt cover compound of claim 1, wherein the activator is one or more of zinc oxide, activated zinc oxide, zinc carbonate, magnesium oxide, calcium oxide, lead monoxide, lead tetroxide, magnesium carbonate, basic lead carbonate, basic aluminum silicate, stannous chloride, cadmium oxide, calcium hydroxide, stearic acid, zinc stearate, lead stearate, oleic acid, lauric acid, zinc stearate, triethanolamine, diethylene glycol, poly-p-dinitrosobenzene, tetrachlorobenzoquinone, trimethylolpropane trimethacrylate.
4. The rubber conveyor belt cover rubber according to claim 1, wherein the accelerator is one or more of dithioformate, xanthate, thiuram, thiazole, sulfenamide, guanidine, thiourea, aldamine and amine accelerators.
5. The rubber conveyer belt cover rubber of claim 1, wherein the reinforcing agent is one or more of carbon black, precipitated silica, fumed silica, calcium carbonate, magnesium oxide, magnesium carbonate, aluminum hydroxide, montmorillonite, attapulgite, clay, fiber, talc, mica powder, carbon nanotubes, and graphene.
6. The rubber belt covering according to claim 1, wherein the rubber latex is one or more of natural rubber latex, styrene-butadiene rubber latex, nitrile-butadiene rubber latex, chloroprene rubber latex, butadiene latex, polysulfide latex, fluororubber latex, silicone rubber latex, vinyl acetate homo-and copolymer latex, acrylate latex, polyvinyl chloride latex, vinylidene chloride latex, styrene-acrylic latex, butyl latex, polyisoprene latex, ethylene-propylene latex, polyurethane latex, polyethylene latex, and epoxy resin latex.
7. The rubber cover rubber for the high-performance rubber conveying belt according to claim 1, wherein the anti-aging agent is one or a mixture of more of anti-aging agent 4010, anti-aging agent A, anti-aging agent D, anti-aging agent IPPD, anti-aging agent 6PPD, anti-aging agent 7PPD, anti-aging agent DTPD, anti-aging agent H, anti-aging agent DNP, anti-aging agent TPPD, anti-aging agent OPPD, anti-aging agent 4030 and anti-aging agent 8 PPD.
8. The rubber belt covering compound of claim 1, wherein the surfactant is one or more of linear alkyl benzene sulfonic acid sodium, fatty alcohol-polyoxyethylene ether sodium sulfate, fatty alcohol-polyoxyethylene ether ammonium sulfate, sodium lauryl sulfate, nonylphenol polyoxyethylene ether, peregal O, diethanol amide stearic acid monoglyceride, lignosulfonate, heavy alkylbenzene sulfonate, alkyl polyether, and fatty alcohol-polyoxyethylene ether.
9. The method for preparing the high-performance rubber conveyer belt covering rubber as in any one of claims 1 to 8, comprising the following steps:
step 1: weighing the components in parts by weight;
step 2: adding a surfactant into water, fully stirring and dissolving, adding a rubber reinforcing agent, a vulcanization aid and other aids, stirring and dispersing into slurry, introducing into a grinding machine, grinding, and adding a thickening agent to obtain a dispersion;
and step 3: adding the dispersoid into rubber latex, stirring at normal temperature, coating the mixed latex mixed solution on a drying track, and drying and dehydrating by a dryer to obtain the sheet covering raw rubber.
10. The method for preparing the high-performance rubber conveyer belt covering rubber according to claim 9, wherein the grinding time in the step 2 is 0.5-24 h;
in the step 3, the stirring time is 15-60 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111550602.0A CN114106433A (en) | 2021-12-17 | 2021-12-17 | High-performance rubber conveyer belt covering rubber and preparation method thereof |
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| CN202111550602.0A CN114106433A (en) | 2021-12-17 | 2021-12-17 | High-performance rubber conveyer belt covering rubber and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114716741A (en) * | 2022-03-16 | 2022-07-08 | 太原理工大学 | Modified styrene-butadiene rubber, preparation method and application thereof, covering rubber, and preparation method and application thereof |
| CN115386153A (en) * | 2022-10-17 | 2022-11-25 | 山东新宝龙工业科技有限公司 | PVG conveyer belt cover glue and PVG conveyer belt |
| WO2023240068A1 (en) * | 2022-06-06 | 2023-12-14 | Akron Polymer Solutions, Inc. | Conveyor belt cover compound |
-
2021
- 2021-12-17 CN CN202111550602.0A patent/CN114106433A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114716741A (en) * | 2022-03-16 | 2022-07-08 | 太原理工大学 | Modified styrene-butadiene rubber, preparation method and application thereof, covering rubber, and preparation method and application thereof |
| CN114716741B (en) * | 2022-03-16 | 2023-06-16 | 太原理工大学 | Modified styrene-butadiene rubber, preparation method and application thereof, and covering rubber, and preparation method and application thereof |
| WO2023240068A1 (en) * | 2022-06-06 | 2023-12-14 | Akron Polymer Solutions, Inc. | Conveyor belt cover compound |
| US12031027B2 (en) | 2022-06-06 | 2024-07-09 | Akron Polymer Solutions, Inc. | Conveyor belt cover compound |
| CN115386153A (en) * | 2022-10-17 | 2022-11-25 | 山东新宝龙工业科技有限公司 | PVG conveyer belt cover glue and PVG conveyer belt |
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