CN110757857B - Manufacturing method of high-temperature-resistant aramid fiber conveying belt - Google Patents
Manufacturing method of high-temperature-resistant aramid fiber conveying belt Download PDFInfo
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- CN110757857B CN110757857B CN201911140890.5A CN201911140890A CN110757857B CN 110757857 B CN110757857 B CN 110757857B CN 201911140890 A CN201911140890 A CN 201911140890A CN 110757857 B CN110757857 B CN 110757857B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D29/00—Producing belts or bands
- B29D29/06—Conveyor belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/16—EPM, i.e. ethylene-propylene copolymers; EPDM, i.e. ethylene-propylene-diene copolymers; EPT, i.e. ethylene-propylene terpolymers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention relates to the technical field of rubber conveying belts, in particular to a manufacturing method of a high-temperature-resistant aramid fiber conveying belt, which comprises the following specific steps: preparing materials: 60-100 parts of EPDM (ethylene-propylene-diene monomer), 5-40 parts of EVA (ethylene-vinyl acetate), 10-30 parts of chlorosulfonated polyethylene, 40-80 parts of carbon black, 10-40 parts of paraffin oil or white oil, 3-7 parts of peroxide DCP (dicumyl peroxide), 5-30 parts of aramid short fiber, 0.5-3 parts of an auxiliary crosslinking agent and 5-15 parts of an anti-aging agent; the parts are all parts by mass; plasticating: the temperature is 120-; mixing: the temperature is 100 ℃ and 140 ℃, and the mixture is mixed for 3-5 min; extruding and molding, laying aramid fabric belt cores, and cold-pressing and molding; and (3) vulcanization: vulcanizing in a vulcanizing machine at the vulcanizing temperature of 155-170 ℃ for 50-60min and under the pressure of 8-10 MPa. According to the manufacturing method of the high-temperature-resistant aramid fiber conveying belt, the problem of compatibility between EPDM and EVA is solved through reasonable formula design, and the adhesive force between EPDM and an aramid fiber cloth belt core is improved.
Description
Technical Field
The invention relates to the technical field of rubber conveying belts, in particular to a manufacturing method of a high-temperature-resistant aramid fiber conveying belt.
Background
In the prior art, aramid cloth is used as a belt core of a rubber conveying belt, so that the problem of adhesive force between the aramid cloth and rubber exists, and particularly ethylene propylene diene monomer rubber is difficult to adhere to the aramid cloth to influence the fastness and the stability of the rubber conveying belt.
Disclosure of Invention
The invention aims to solve the technical defects and provide a manufacturing method of a high-temperature-resistant aramid fiber conveying belt, which can effectively improve the high-temperature-resistant capability of the conveying belt.
In order to achieve the purpose, the invention designs a manufacturing method of a high-temperature-resistant aramid fiber conveying belt, which comprises the following specific steps:
preparing materials: 60-100 parts of EPDM (ethylene-propylene-diene monomer), 5-40 parts of EVA (ethylene-vinyl acetate), 10-30 parts of chlorosulfonated polyethylene, 40-80 parts of carbon black, 10-40 parts of paraffin oil or white oil, 3-7 parts of peroxide DCP (dicumyl peroxide), 5-30 parts of aramid short fiber, 0.5-3 parts of an auxiliary crosslinking agent and 5-15 parts of an anti-aging agent; the parts are all parts by mass;
plasticating: the temperature is 120-;
mixing: the temperature is 100 ℃ and 140 ℃, and the mixture is mixed for 3-5 min;
extruding and molding, laying aramid fabric belt cores, and cold-pressing and molding;
and (3) vulcanization: vulcanizing in a vulcanizing machine at the vulcanizing temperature of 155-170 ℃ for 50-60min and under the pressure of 8-10 MPa.
Wherein the carbon black can be one or a mixture of two of N220 and N300, and the mixing ratio of N220 to N300 is 1: 1-3.
According to the manufacturing method of the high-temperature-resistant aramid fiber conveying belt, the problem of compatibility between EPDM and EVA is solved through reasonable formula design, and the adhesive force between EPDM and an aramid fiber cloth belt core is improved.
The EVA is added into the EPDM, so that the high temperature resistance of the rubber can be effectively improved, the high temperature resistance of the original EPDM is at 220 ℃ of 180-.
Detailed Description
The invention is further described below by way of examples.
Example 1:
the manufacturing method of the high-temperature-resistant aramid fiber conveying belt described in this embodiment includes the following specific steps:
preparing materials: 60 parts of EPDM (ethylene-propylene-diene monomer), 5 parts of EVA (ethylene-vinyl acetate), 10 parts of chlorosulfonated polyethylene, 40 parts of carbon black, 10 parts of paraffin oil, 3 parts of peroxide DCP (dicumyl peroxide), 5 parts of aramid short fiber, 0.5 part of crosslinking assistant agent and 5 parts of anti-aging agent; the parts are all parts by mass;
plasticating: the temperature is 120 ℃, the plastication pressure is 10MPa, and the plastication time is 5 min;
mixing: mixing at 100 deg.C for 3 min;
extruding and molding, laying aramid fabric belt cores, and cold-pressing and molding;
and (3) vulcanization: vulcanizing in a vulcanizing machine at 155 ℃ for 50min and 8 MPa.
Wherein the carbon black is N220.
Example 2:
the manufacturing method of the high-temperature-resistant aramid fiber conveying belt described in this embodiment includes the following specific steps:
preparing materials: 100 parts of EPDM (ethylene-propylene-diene monomer), 40 parts of EVA (ethylene-vinyl acetate), 30 parts of chlorosulfonated polyethylene, 80 parts of carbon black, 40 parts of white oil, 7 parts of peroxide DCP (dicumyl peroxide), 30 parts of aramid short fiber, 3 parts of a crosslinking assistant agent and 15 parts of an anti-aging agent; the parts are all parts by mass;
plasticating: the temperature is 150 ℃, the plastication pressure is 12MPa, and the plastication time is 10 min;
mixing: mixing at 140 deg.C for 5 min;
extruding and molding, laying aramid fabric belt cores, and cold-pressing and molding;
and (3) vulcanization: vulcanizing in a vulcanizing machine, wherein the vulcanizing temperature is 170 ℃, the vulcanizing time is 60min, and the pressure is 10 MPa.
Wherein the carbon black is N300.
Example 3:
the manufacturing method of the high-temperature-resistant aramid fiber conveying belt described in this embodiment includes the following specific steps:
preparing materials: 70 parts of EPDM (ethylene-propylene-diene monomer), 15 parts of EVA (ethylene-vinyl acetate), 20 parts of chlorosulfonated polyethylene, 50 parts of carbon black, 20 parts of paraffin oil, 4 parts of peroxide DCP (dicumyl peroxide), 13 parts of aramid short fiber, 1 part of crosslinking assistant and 8 parts of anti-aging agent; the parts are all parts by mass;
plasticating: the temperature is 130 ℃, the plastication pressure is 11MPa, and the plastication time is 7 min;
mixing: mixing at 120 deg.C for 4 min;
extruding and molding, laying aramid fabric belt cores, and cold-pressing and molding;
and (3) vulcanization: vulcanizing in a vulcanizing machine at 160 deg.C for 53min under 9 MPa.
Wherein the carbon black is a mixture of N220 and N300, and the proportion of the two is 1: 1.
example 4:
the manufacturing method of the high-temperature-resistant aramid fiber conveying belt described in this embodiment includes the following specific steps:
preparing materials: 80 parts of EPDM (ethylene-propylene-diene monomer), 30 parts of EVA (ethylene-vinyl acetate), 25 parts of chlorosulfonated polyethylene, 70 parts of carbon black, 30 parts of white oil, 6 parts of peroxide DCP (dicumyl peroxide), 25 parts of aramid short fiber, 2 parts of a crosslinking assistant agent and 12 parts of an anti-aging agent; the parts are all parts by mass;
plasticating: the temperature is 140 ℃, the plastication pressure is 12MPa, and the plastication time is 8 min;
mixing: mixing at 130 deg.C for 4 min;
extruding and molding, laying aramid fabric belt cores, and cold-pressing and molding;
and (3) vulcanization: vulcanizing in a vulcanizing machine, wherein the vulcanizing temperature is 165 ℃, the vulcanizing time is 58min, and the pressure is 9 MPa.
Wherein the carbon black is a mixture of N220 and N300, and the proportion of the two is 1: 2.
Claims (1)
1. a manufacturing method of a high-temperature-resistant aramid fiber conveying belt is characterized by comprising the following steps: the method comprises the following specific steps:
preparing materials: 60-100 parts of EPDM (ethylene-propylene-diene monomer), 5-40 parts of EVA (ethylene-vinyl acetate), 10-30 parts of chlorosulfonated polyethylene, 40-80 parts of carbon black, 10-40 parts of paraffin oil or white oil, 3-7 parts of peroxide DCP (dicumyl peroxide), 5-30 parts of aramid short fiber, 0.5-3 parts of an auxiliary crosslinking agent and 5-15 parts of an anti-aging agent; the parts are all parts by mass;
plasticating: the temperature is 120-;
mixing: the temperature is 100 ℃ and 140 ℃, and the mixture is mixed for 3-5 min;
extruding and molding, laying aramid fabric belt cores, and cold-pressing and molding;
and (3) vulcanization: vulcanizing in a vulcanizing machine at the vulcanizing temperature of 155 ℃ and 170 ℃ for 50-60min and under the pressure of 8-10 MPa;
the carbon black is a mixture of N220 and N300, and the mixing ratio of the N220 to the N300 is 1: 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911140890.5A CN110757857B (en) | 2019-11-20 | 2019-11-20 | Manufacturing method of high-temperature-resistant aramid fiber conveying belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911140890.5A CN110757857B (en) | 2019-11-20 | 2019-11-20 | Manufacturing method of high-temperature-resistant aramid fiber conveying belt |
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| Publication Number | Publication Date |
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| CN110757857A CN110757857A (en) | 2020-02-07 |
| CN110757857B true CN110757857B (en) | 2022-04-05 |
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| CN201911140890.5A Active CN110757857B (en) | 2019-11-20 | 2019-11-20 | Manufacturing method of high-temperature-resistant aramid fiber conveying belt |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112721360A (en) * | 2020-12-31 | 2021-04-30 | 浙江双箭橡胶股份有限公司 | High-temperature-resistant conveying belt and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745460A (en) * | 2012-07-11 | 2012-10-24 | 安徽中意胶带有限责任公司 | High-temperature-resisting conveying belt of steel wire rope |
| CN103264866A (en) * | 2013-05-31 | 2013-08-28 | 浙江东南橡胶机带有限公司 | High-temperature-resisting aramid fiber conveyer belt and preparation technology thereof |
| CN104212079A (en) * | 2014-09-16 | 2014-12-17 | 无锡宝通带业股份有限公司 | High-temperature-resistant conveying belt cover rubber and preparation method thereof |
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2019
- 2019-11-20 CN CN201911140890.5A patent/CN110757857B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745460A (en) * | 2012-07-11 | 2012-10-24 | 安徽中意胶带有限责任公司 | High-temperature-resisting conveying belt of steel wire rope |
| CN103264866A (en) * | 2013-05-31 | 2013-08-28 | 浙江东南橡胶机带有限公司 | High-temperature-resisting aramid fiber conveyer belt and preparation technology thereof |
| CN104212079A (en) * | 2014-09-16 | 2014-12-17 | 无锡宝通带业股份有限公司 | High-temperature-resistant conveying belt cover rubber and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 汽车用EPDM/EVA共混密封胶料的研究;苏朝化，田丰，王小磊;《中原工学院学报》;20150630;第26卷(第3期);第68-71页 * |
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