CN105017662A - CPE/EVA component type wire and cable sheathing compound with high temperature resistance and super wear resistance - Google Patents
CPE/EVA component type wire and cable sheathing compound with high temperature resistance and super wear resistance Download PDFInfo
- Publication number
- CN105017662A CN105017662A CN201510311651.7A CN201510311651A CN105017662A CN 105017662 A CN105017662 A CN 105017662A CN 201510311651 A CN201510311651 A CN 201510311651A CN 105017662 A CN105017662 A CN 105017662A
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- cpe
- high temperature
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- eva
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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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Inorganic Insulating Materials (AREA)
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Abstract
A CPE/EVA component type wire and cable sheathing compound with high temperature resistance and super wear resistance. Main heat resistant components added to the cable sheathing compound and content thereof are: (components in parts by weight) 85-95 parts of CPE; 5-15 parts of EVA; 20-30 parts of carbon black; 50-90 parts of talcum powder; 20-30 parts of aluminum hydroxide; 10-20 parts of mano hydrated aluminum silicate; 10-20 parts of softening oil; 1-5 parts of crosslinking agent; and 2-8 parts of a crosslinking coagent. The objective of the present invention is to provide a CPE/EVA component type wire and cable sheathing compound with high temperature resistance and super wear resistance, by using a specific formula and a processing method, and the products thereof have excellent high temperature resistance effects and wear resistance properties.
Description
Technical field
The present invention relates to electric wire and cable jacket rubber and preparation method thereof field, particularly a kind of CPE/EVA component type high temperature resistant super abrasive electric wire and cable jacket sizing material.The low property examined of rubbing of hardness and surface of material can be improved after EVA adds, make cable in the occasion of frequent movement, surface be reduced wear, prolongation cable work-ing life.
Background technology
Outdoor power tool rubber supply lead in the market, as cutting machine, drag back and forth on hard ground of being everlasting, along with the continuity of duration of service, rubber supply lead high temperature ageing, weathering age, electric wire oversheath is rubbed thinning, once oversheath is worn, then insulation exposes and occurs potential safety hazard, and the heating of high-power electric appliance, power tool life-time service is more and more higher to resistant to elevated temperatures requirement, therefore need that design is a kind of has the high temperature resistant and electric wire and cable jacket sizing material of super abrasive.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of the present invention is to provide a kind of CPE/EVA component type high temperature resistant super abrasive electric wire and cable jacket sizing material, it is a kind of use special formulation and working method, and its product has fabulous high-temperature resistant result and wear resisting property.
For realizing above object, technical scheme of the present invention is:
A kind of CPE/EVA component type high temperature resistant super abrasive electric wire and cable jacket sizing material, the main composition of described jacket rubber and content are: (following component concentration is with weight parts)
CPE is 85 ~ 95 parts;
EVA is 5 ~ 15 parts;
Carbon black is 20 ~ 30 parts;
Talcum powder is 50 ~ 90 parts;
Aluminium hydroxide is 20 ~ 30 parts;
Nano-silicon acid hydrated aluminum 10 ~ 20 parts;
Softening oil is 10 ~ 20 parts;
Linking agent is 1 ~ 5 part;
Crosslinking coagent is 2 ~ 8 parts.
Improve further as the present invention, described CPE rubber prioritizing selection mooney viscosity is ML
(1+4)125 DEG C is 72 ~ 82, and cl content is the rubber of 35 ~ 36%, and the VA content of EVA is 15 %, and both significantly improve blended rear Wear-resistant, high-temperature resistant performance.
Improve further as the present invention, described carbon black CTAB adsorption specific surface area is 31-40 × 10
3m
2/ kg, iodine absorption value is 32-40g/kg, 15 μm of screenings≤0.05%, is mainly used in strengthening action and improves complete processing effect, in order to ensure that adsorption effect carbon black adopts the carbon black of above performance, reaches corresponding performance to make the present invention.
Improve further as the present invention, described talcum powder is 1500 orders, particle diameter 50% is distributed in 1 ~ 5 μm, hydrochloric acid insoluble substance is more than or equal to 85%, content of magnesia is more than or equal to the talcum powder of 30%, talcum powder is mainly used in improving physical strength, improving processing performance, therefore needing to use the talcum powder of above performance in order to reach cable performance of the present invention.
Improve further as the present invention, described nano-silicon acid hydrated aluminum dioxide-containing silica is 32-36%, specific surface area>=25 m
2/ g, nano-silicon acid hydrated aluminum is mainly used in improving physical strength, improves processing performance, therefore needs to use the nano-silicon acid hydrated aluminum of above performance in order to reach cable performance of the present invention.
Improve further as the present invention, described aluminium hydroxide is 5000 orders, and median size is at 1.2 μm, particle diameter 90% is distributed in 1 ~ 5 μm, oil-absorption(number)≤30ml/100g, aluminium hydroxide is mainly used in fire-retardant, therefore needs to use the aluminium hydroxide of above performance in order to reach cable performance of the present invention.
Improve further as the present invention, described softening oil flash-point is >=240 DEG C, the tri trimellitate ester that ester content is greater than 99%, and it can reduce rubber viscosity after using, improves processing characteristics, improves low-temperature bending performance, increases elongation, increase snappiness etc.Not containing phthalic ester, therefore environmental protection more, aging resistance is more excellent.
Improve further as the present invention, described linking agent is the dual-tert-butyl dicumyl peroxide that content is more than or equal to 95%;
Described crosslinking coagent is selected from one or both or three kinds in following three kinds of compounds:
Iso-cyanuric acid triallyl ester;
Trihydroxy methyl propane trimethyl acrylate;
Silane coupling agent.
The net high-polymer that linking agent can make linear polymeric be formed by crosslinked action, therefore the linking agent of above performance is needed to use in order to reach cable performance of the present invention, crosslinking coagent can be accelerated or delay cross linking speed, therefore the crosslinking coagent of above performance is needed to use in order to reach cable performance of the present invention, and above linking agent belongs to tasteless linking agent, sulfuration degradation production is water, and the third letones volatile substances, smell is less.
Improve further as the present invention, described super abrasive electric wire CPE and the blended jacket rubber of EVA compound, also comprise the component of following weight part: stablizer is 3 ~ 5 parts; Activator is 2 ~ 8 parts:
Described stablizer is one or both in following three kinds of materials:
1-calcium stearate;
2-calcium-zinc composite stabilizing agent;
Described activator is one in following two kinds of materials or two kinds:
Magnesium oxide;
Stearic acid.
Above component is mainly used in improving cable performance, therefore needs to add above component to reach cable performance of the present invention, selects calcium-zinc composite stabilizing agent, replaces the lead salt stabilizer of non-environmental protection, to human body, environmentally friendly.
Adopt the cable of CPE/EVA component type of the present invention high temperature resistant super abrasive electric wire and cable jacket sizing material after tested, fundamental property meets following performance,
Tensile strength >=8.3Mpa; Elongation >=200%; Thermal ageing condition: the retention rate of 110 DEG C × 240 hours aging rear elongations, tensile strength all >=50%; Low-temperature test :-20 DEG C are not ftractureed for * 16 hours;
FT-2 fire-retardant burning 30S, char length≤100mm, dropping does not ignite shop fixtures cotton;
Sheath hardness reaches 80 SHORE A, and harder jacket surface can bear and rub continuously.
Typical wear-resisting test as: wire rod is hung under on heavy 1kg and is carried out reuse 80# Sandpapering jacket surface 500 times, can not expose the insulation in sheath.
By filling a prescription above, the rubber sheath made can meet above-mentioned wear test requirement, high temperature resistant requirement.
Embodiment
Below in conjunction with embodiment, invention is described in detail:
The object of the present invention is to provide a kind of CPE/EVA component type high temperature resistant super abrasive electric wire and cable jacket sizing material and preparation method thereof, it is a kind of use special formulation, and its product has fabulous high-temperature resistant result and wear resisting property.
Below in conjunction with embodiment, the present invention is further described in detail, but is not limited to this.In following examples, be raw materials usedly commercially available industrial goods.Embodiment 1 ~ 2:
Embodiment 1 ~ 2 is according to the weight part preparation as shown in following data of each component in below.
Project implementation example 1 embodiment 2
CPE rubber 90 92
EVA 10 8
Carbon black 20 15
Talcum powder 60 80
Aluminium hydroxide 20 30
Nano-silicon acid hydrated aluminum 30 20
Magnesium oxide 55
Stearic acid 0.1 0.1
Calcium zinc stabilizer 2.5 2
Softening oil 15 20
Dual-tert-butyl dicumyl peroxide 2 1.5
Iso-cyanuric acid triallyl ester 2.7 2.5
Trihydroxy methyl propane trimethyl acrylate 0.3 0.3
Preparation method:
CPE rubber, EVA elastomerics, talcum powder, aluminium hydroxide, nano-silicon acid hydrated aluminum, activator, stablizer, tenderizer to be joined in Banbury mixer after mixing 2 minutes according to the parts by weight in formula table, sweeping through the material adds and adds linking agent after softening oil, crosslinking coagent refine 5 minutes again and refine discharging after 1 minute, discharge temp controls at 90-95 DEG C, last volume after mill rolling, rolles over page and goes out film; The film produced carries out vulcanization reaction through cold feed extruder and steam vulcanization pipe: wherein, and cold feed extruder head temperature is 90 ~ 100 DEG C, and fuselage one district temperature is 60 ~ 80 DEG C, and fuselage two district temperature is 70 ~ 90 DEG C, and air pressure is 1.7 ~ 2.0MPa.
The cable performance adopting CABLE MATERIALS of the present invention to obtain is as follows:
Embodiment performance
Project implementation example 1 embodiment 2
Tensile strength (MPa) 11.2 10.9
Elongation (%) 250 235
Low temperature (-20 DEG C of * 16h) does not ftracture
FT-2 （mm） 50 30
Wear-resisting (secondary) 628 530
Tensile strength retention rate (%) 90 98
Elongation retention (%) 85 86
Cutaneous sensibility test is reactionless
Note: air oven aging condition: 110 DEG C × 240 hours; Sheath low-temperature test :-20 DEG C * 16 hours.
As can be seen from data above, complete with sheath material prepared by technology of the present invention and can meet wear-resisting, high temperature resistant test requirements document.
Above-mentioned making method and formula just illustrate technical thought of the present invention and feature; its objective is and allow the personage being familiar with this technology understand content of the present invention and to implement; the equivalence change done of with good grounds the present invention spirit, all should be encompassed within protection scope of the present invention.
Claims (10)
1.CPE/EVA component type is high temperature resistant super abrasive electric wire and cable jacket sizing material, it is characterized in that, the main composition of described jacket rubber and content are: (following component concentration is with weight parts)
CPE is 85 ~ 95 parts;
EVA is 5 ~ 15 parts;
Carbon black is 20 ~ 30 parts;
Talcum powder is 50 ~ 90 parts;
Aluminium hydroxide is 20 ~ 30 parts;
Nano-silicon acid hydrated aluminum 10 ~ 20 parts;
Softening oil is 10 ~ 20 parts;
Linking agent is 1 ~ 5 part;
Crosslinking coagent is 2 ~ 8 parts.
2. CPE/EVA component type according to claim 1 high temperature resistant super abrasive electric wire and cable jacket sizing material, is characterized in that: described CPE rubber prioritizing selection mooney viscosity is ML
(1+4)125 DEG C is 72 ~ 82, and cl content is the rubber of 35 ~ 36%, and the VA content of described EVA is 15 %.
3. CPE/EVA component type according to claim 1 high temperature resistant super abrasive electric wire and cable jacket sizing material, is characterized in that: described carbon black CTAB adsorption specific surface area is 31-40 × 10
3m
2/ kg, iodine absorption value is 32-40g/kg, 15 μm of screenings≤0.05%.
4. CPE/EVA component type according to claim 1 high temperature resistant super abrasive electric wire and cable jacket sizing material, it is characterized in that: described talcum powder is 1500 orders, particle diameter 50% is distributed in 1 ~ 5 μm, and hydrochloric acid insoluble substance is more than or equal to 85%, and content of magnesia is more than or equal to the talcum powder of 30%.
5. CPE/EVA component type according to claim 1 high temperature resistant super abrasive electric wire and cable jacket sizing material, is characterized in that: described nano-silicon acid hydrated aluminum dioxide-containing silica is 32-36%, specific surface area>=25 m
2/ g.
6. CPE/ EVA component type according to claim 1 high temperature resistant super abrasive electric wire and cable jacket sizing material, is characterized in that: described aluminium hydroxide is 5000 orders, median size is at 1.2 μm, and particle diameter 90% is distributed in 1 ~ 5 μm, oil-absorption(number)≤30 ml/100g.
7. CPE/ EVA component type according to claim 1 high temperature resistant super abrasive electric wire and cable jacket sizing material, is characterized in that: described softening oil flash-point is >=240 DEG C, the tri trimellitate ester that ester content is greater than 99%.
8. CPE/PVC component type according to claim 1 low smell electric wire and cable jacket sizing material, is characterized in that: described linking agent is the dual-tert-butyl dicumyl peroxide that content is more than or equal to 95%;
Described crosslinking coagent is selected from one or both or three kinds in following three kinds of compounds:
Iso-cyanuric acid triallyl ester;
Trihydroxy methyl propane trimethyl acrylate;
Silane coupling agent.
9. CPE/ EVA component type according to claim 1 high temperature resistant super abrasive electric wire and cable jacket sizing material, it is characterized in that: described super abrasive electric wire CPE and the blended jacket rubber of EVA compound, also comprise the component of following weight part: stablizer is 3 ~ 5 parts; Activator is 2 ~ 8 parts.
10. CPE/EVA component type according to claim 9 high temperature resistant super abrasive electric wire and cable jacket sizing material, is characterized in that: described stablizer is one or both in following three kinds of materials:
1-calcium stearate;
2-calcium-zinc composite stabilizing agent;
Described activator is one in following two kinds of materials or two kinds:
Magnesium oxide;
Stearic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311651.7A CN105017662A (en) | 2015-06-09 | 2015-06-09 | CPE/EVA component type wire and cable sheathing compound with high temperature resistance and super wear resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311651.7A CN105017662A (en) | 2015-06-09 | 2015-06-09 | CPE/EVA component type wire and cable sheathing compound with high temperature resistance and super wear resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105017662A true CN105017662A (en) | 2015-11-04 |
Family
ID=54407990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510311651.7A Pending CN105017662A (en) | 2015-06-09 | 2015-06-09 | CPE/EVA component type wire and cable sheathing compound with high temperature resistance and super wear resistance |
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| CN (1) | CN105017662A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885254A (en) * | 2016-06-13 | 2016-08-24 | 芜湖卓越线束系统有限公司 | Acid-base-resisting, heating-resisting and flame-resisting protecting jacket for wire harness and preparing method thereof |
| CN106065125A (en) * | 2016-06-13 | 2016-11-02 | 芜湖卓越线束系统有限公司 | Abrasion resistant fire blocking wire harness sheath material and preparation method thereof |
| CN106188911A (en) * | 2016-07-26 | 2016-12-07 | 潘明华 | Wear-resisting cable material of cracking resistance and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105885254A (en) * | 2016-06-13 | 2016-08-24 | 芜湖卓越线束系统有限公司 | Acid-base-resisting, heating-resisting and flame-resisting protecting jacket for wire harness and preparing method thereof |
| CN106065125A (en) * | 2016-06-13 | 2016-11-02 | 芜湖卓越线束系统有限公司 | Abrasion resistant fire blocking wire harness sheath material and preparation method thereof |
| CN106188911A (en) * | 2016-07-26 | 2016-12-07 | 潘明华 | Wear-resisting cable material of cracking resistance and preparation method thereof |
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Application publication date: 20151104 |