CN111825906A - High-wear-resistance cable material and preparation method thereof - Google Patents
High-wear-resistance cable material and preparation method thereof Download PDFInfo
- Publication number
- CN111825906A CN111825906A CN201910319810.6A CN201910319810A CN111825906A CN 111825906 A CN111825906 A CN 111825906A CN 201910319810 A CN201910319810 A CN 201910319810A CN 111825906 A CN111825906 A CN 111825906A
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- cable material
- wear
- resistance cable
- abrasion
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention provides a high-wear-resistance cable material and a preparation method thereof, wherein the cable material comprises the following raw materials in parts by weight: 80-90 parts of polyethylene; 15-20 parts of an ethylene-ethyl acrylate copolymer; 10-30 parts of inorganic filler; 2-10 parts of wear-resistant powder; 2-4 parts of a lubricant; 0.25-2.5 parts of auxiliary crosslinking agent and 0.5-2 parts of antioxidant; the preparation method comprises the following steps: preparing raw materials; mixing uniformly and preplasticizing; extruding, mixing and granulating by a double-stage double-screw extruder; and cooling, sieving and magnetically separating to obtain the high-wear-resistance cable material. The invention selects proper raw materials, optimizes the proportion of each component in the formula, meets the performance requirement of high wear resistance, and has simple extrusion process and excellent physical performance.
Description
Technical Field
The invention particularly relates to a high-wear-resistance cable material and a preparation method thereof.
Background
Wire and cable refers to materials used for power, communication and related transmission applications. With the development of society, electric wires and cables are widely used in various fields, such as transportation, communication, construction, etc., and thus, the requirements for the professional field of electric wires and cables are higher and higher. The traditional cable material can only meet the requirement of the conventional indoor and outdoor environment, needs to be used on heavy machinery in some special industries, and needs to continuously move along with equipment and continuously contact with objects such as the ground, walls and the like, and the conventional cable cannot meet the wear-resistant requirement.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-wear-resistance cable material and a preparation method thereof.
The invention adopts the following technical scheme:
a high-wear-resistance cable material comprises the following raw materials in parts by weight:
preferably, the polyethylene is obtained by polymerizing ethylene as a raw material in a reactor under the action of an initiator or under the conditions of high temperature and high pressure, namely, PE, and the polyethylene is required to be: the melt index is: 1.5-5 g/10 min; the test standard is in accordance with GB/T3682-2000, and the test conditions are as follows: the temperature is 190 ℃, and the load is 2.16 Kg; the material has good fluidity and moderate molecular chain length, and can ensure the stable performance of the material after irradiation crosslinking.
Preferably, the ethylene-ethyl acrylate copolymer is a copolymer of ethylene and ethyl acrylate monomers, i.e. EEA, polymerized under high pressure, and the ethylene-ethyl acrylate copolymer is required to be: the melt index is: 1-5 g/10min, the test standard is GB/T3682-2000, and the test conditions are as follows: the temperature is 190 ℃, the load is 2.16Kg, the flexibility of the material is increased, and the material can be extruded at high speed.
Preferably, the inorganic filler comprises one or more of talcum powder, calcium carbonate, mica powder, bentonite and glass beads.
Preferably, the wear-resistant powder is one or more selected from aluminum oxide powder, silicon dioxide powder and ceramic powder.
Preferably, the wear-resistant powder is subjected to surface treatment by a coupling agent, and the coupling agent is one or more selected from silane coupling agents, titanate coupling agents and aluminate coupling agents.
Preferably, the mass ratio of the coupling agent to the wear-resistant powder is 0.5:100-2.5: 100.
Preferably, the lubricant is a silicone oil type lubricant.
Preferably, the auxiliary crosslinking agent is selected from one or a mixture of triallyl isocyanurate and trimethylolpropane trimethacrylate, provides crosslinking active points in the material, and can ensure the crosslinking degree of the material.
Preferably, the antioxidant is selected from one or a mixture of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and dilauryl thiodipropionate, wherein the pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] ester is a hindered phenol antioxidant, the thermal stability is high, the persistence is long, and the service life of the material is prolonged, and the dilauryl thiodipropionate is an auxiliary antioxidant and is used together with a phenolic antioxidant to generate a synergistic effect.
The invention also discloses a preparation method of the high-wear-resistance cable material, which comprises the following steps:
s1, preparing raw materials, and accurately weighing the following materials in parts by weight: 80-90 parts of polyethylene; 15-20 parts of an ethylene-ethyl acrylate copolymer; 10-30 parts of inorganic filler; 2-10 parts of wear-resistant powder; 2-4 parts of a lubricant; 0.25-2.5 parts of auxiliary crosslinking agent and 0.5-2 parts of antioxidant;
s2, putting polyethylene and ethylene-ethyl acrylate copolymer into a high-speed kneading machine, kneading at a high speed for 3 minutes, putting an auxiliary crosslinking agent, an antioxidant and a lubricant into the high-speed kneading machine, kneading at a high speed for 3 minutes, putting the filler and the wear-resistant powder into the kneading machine, kneading at a low speed for 3 minutes after kneading at a high speed for 2 minutes, uniformly mixing, and preplasticizing;
s3, extruding, mixing and granulating by a double-stage double-screw extruder, wherein the temperature setting range of the extruder is 130-190 ℃;
s4, cooling, sieving and magnetically separating to obtain the high-wear-resistance cable material.
The invention has the beneficial effects that: due to the adoption of the technical scheme, the invention optimizes the proportion of each component in the formula by selecting proper raw materials, meets the performance requirement of high wear resistance, and has simple extrusion process and excellent physical performance.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
The components and parts by weight of the high-wear-resistance cable material of the invention in each embodiment are shown in table 1:
TABLE 1
Table 2 is the raw material components specifically used in each example:
TABLE 2
The invention also discloses a preparation method of the high-wear-resistance cable material, which comprises the following steps:
the method comprises the following steps: preparing raw materials, and accurately weighing the materials in proportion;
step two: putting polyethylene and ethylene-ethyl acrylate copolymer into a high-speed kneading machine, kneading at a high speed for 3 minutes, putting an auxiliary crosslinking agent, an antioxidant and a lubricant into the high-speed kneading machine, kneading at a high speed for 3 minutes, putting the filler and the wear-resistant powder into the kneading machine, kneading at a high speed for 2 minutes, kneading at a low speed for 3 minutes, uniformly mixing, and preplasticizing;
step three: extruding, mixing and granulating by a double-stage double-screw extruder, wherein the temperature setting range of the extruder is 130-190 ℃;
step four: and cooling, sieving and magnetically separating to obtain the high-wear-resistance cable material.
The test results are shown in table 3:
TABLE 3
In the above table, the shore hardness, tensile strength and elongation at break are measured after the cable material is vulcanized by a flat plate; the abrasion resistance test, the wear rate test and the friction coefficient test are the sample preparation test after the cable material is cabled.
It can be seen from table 3 that the cable materials produced in examples 1 to 6 have the same general performance as the common cable materials, and have better wear resistance.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The high-wear-resistance cable material is characterized by comprising the following raw materials in parts by weight:
2. the high-abrasion-resistance cable material as claimed in claim 1, wherein the ethylene-ethyl acrylate copolymer is a copolymer of ethylene and ethyl acrylate monomers, which is polymerized under high pressure.
3. The high-abrasion-resistance cable material as claimed in claim 1, wherein the inorganic filler comprises one or more of talc, calcium carbonate, mica powder, bentonite and glass beads.
4. The high-abrasion-resistance cable material as claimed in claim 1, wherein the abrasion-resistant powder is selected from one or more of aluminum oxide powder, silica powder and ceramic powder.
5. The cable material of claim 4, wherein the abrasion-resistant powder is surface-treated with a coupling agent, and the coupling agent is one or more selected from silane coupling agents, titanate coupling agents, and aluminate coupling agents.
6. The high-wear-resistance cable material as claimed in claim 5, wherein the mass ratio of the coupling agent to the wear-resistant powder is 0.5:100-2.5: 100.
7. The high abrasion resistant cable material of claim 1, wherein said lubricant is a silicone oil type lubricant.
8. The high-abrasion-resistance cable material according to claim 1, wherein the co-crosslinking agent is selected from one or a mixture of triallyl isocyanurate and trimethylolpropane trimethacrylate.
9. The high-abrasion-resistance cable material as claimed in claim 1, wherein the antioxidant is selected from one or a mixture of pentaerythritol tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and dilauryl thiodipropionate.
10. The preparation method of the high-wear-resistance cable material is characterized by comprising the following steps:
s1, preparing raw materials, and accurately weighing the following materials in parts by weight: 80-90 parts of polyethylene; 15-20 parts of an ethylene-ethyl acrylate copolymer; 10-30 parts of inorganic filler; 2-10 parts of wear-resistant powder; 2-4 parts of a lubricant; 0.25-2.5 parts of auxiliary crosslinking agent and 0.5-2 parts of antioxidant;
s2, putting polyethylene and ethylene-ethyl acrylate copolymer into a high-speed kneading machine, kneading at a high speed for 3 minutes, putting an auxiliary crosslinking agent, an antioxidant and a lubricant into the high-speed kneading machine, kneading at a high speed for 3 minutes, putting the filler and the wear-resistant powder into the kneading machine, kneading at a low speed for 3 minutes after kneading at a high speed for 2 minutes, uniformly mixing, and preplasticizing;
s3, extruding, mixing and granulating by a double-stage double-screw extruder, wherein the temperature setting range of the extruder is 130-190 ℃;
s4, cooling, sieving and magnetically separating to obtain the high-wear-resistance cable material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910319810.6A CN111825906A (en) | 2019-04-19 | 2019-04-19 | High-wear-resistance cable material and preparation method thereof |
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| CN201910319810.6A CN111825906A (en) | 2019-04-19 | 2019-04-19 | High-wear-resistance cable material and preparation method thereof |
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| CN111825906A true CN111825906A (en) | 2020-10-27 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788403A (en) * | 2012-10-31 | 2014-05-14 | 合肥杰事杰新材料股份有限公司 | Wear-resistant filling material, wear-resistant composite material prepared from same and preparation method for composite material |
| CN107057227A (en) * | 2017-05-09 | 2017-08-18 | 上海贝恩科电缆有限公司 | A kind of wear-resistance and oil-resistance PVC elevator cable material and preparation method thereof |
| CN108570176A (en) * | 2018-03-30 | 2018-09-25 | 南京中超新材料股份有限公司 | A kind of building wiring cross-linking radiation cable material of polyolefin and preparation method thereof |
-
2019
- 2019-04-19 CN CN201910319810.6A patent/CN111825906A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788403A (en) * | 2012-10-31 | 2014-05-14 | 合肥杰事杰新材料股份有限公司 | Wear-resistant filling material, wear-resistant composite material prepared from same and preparation method for composite material |
| CN107057227A (en) * | 2017-05-09 | 2017-08-18 | 上海贝恩科电缆有限公司 | A kind of wear-resistance and oil-resistance PVC elevator cable material and preparation method thereof |
| CN108570176A (en) * | 2018-03-30 | 2018-09-25 | 南京中超新材料股份有限公司 | A kind of building wiring cross-linking radiation cable material of polyolefin and preparation method thereof |
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Application publication date: 20201027 |