CN103642114B - 150 DEG C of high strength high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin and production methods thereof - Google Patents
150 DEG C of high strength high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin and production methods thereof Download PDFInfo
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- CN103642114B CN103642114B CN201310736706.XA CN201310736706A CN103642114B CN 103642114 B CN103642114 B CN 103642114B CN 201310736706 A CN201310736706 A CN 201310736706A CN 103642114 B CN103642114 B CN 103642114B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
Abstract
The invention provides the high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of a kind of 150 DEG C of high strength, for products such as electrical equipment line, motor lead, petroleum platform cable, photovoltaic cable, shipboard cable, automotive line, cable for rolling stocks.Described CABLE MATERIALS is obtained by following raw material: terpolymer EP rubber, high density polyethylene(HDPE), metallocene PE, methyl vinyl silicone rubber, nitrile silicone rubber, sensitizing agent, halogen-free flame retardants, smoke suppressor, anti-aging agent, oxidation inhibitor, lubricant, tenderizer, promoting agent, white carbon black, talcum powder, tinting material.Cable material of polyolefin of the present invention possess simultaneously high temperature resistant, wear-resisting, high electrically, the excellent over-all properties of oil resistant, high strength, low cigarette, Halogen, good fluidity etc., and environmental-protecting performance meets the requirement of electric wire.
Description
Technical field
The invention belongs to cable material technical field, particularly a kind of 150 DEG C of high strength high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin and production method thereof.
Background technology
Current LSOH anti-flaming environment-friendly polyolefin is high temperature resistant, and 150 DEG C of special cables mainly contain: 150 DEG C of irradiation cross-linking flame-retardant polyolefin insulation electrical equipment lines; Heat-resisting 150 DEG C of high strength oil resistant cross-linked polyolefin insulation halogen-free low-smoke free flame-retardant cable used for locomotives; 150 DEG C of irradiation cross-linking flame-retardant polyolefine automotive line; 150 DEG C of irradiation crosslinked polyolefin insulating machine winding are drawn and are connect flexible cord; Petroleum platform cable, photovoltaic cable etc., these cable working conditionss are harsh, and performance requriements is high, mainly: possess high temperature resistant, high electrical, wear-resisting, high strength, oil resistant, halogen-free flameproof, environmental protection, softness.Do not have a kind of cable material of polyolefin can by the performance test of this type of electric wire in the market.
Along with the development of Chinese national economy, the CABLE MATERIALS demand of China increases fast, particularly high temperature resistant, low smoke and zero halogen, flame-proof environmental protection, high strength, high electrically, oil resistant cable material demand is larger, and the quality of domestic high temperature resistant, high strength, high electrical, oil resistant, low smoke and zero halogen, flame-proof environmental protection wire cable material and quantity can't be met the need of market.Therefore expect to develop the high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of 150 DEG C of high strength, but not yet have the high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of such cable with premium properties 150 DEG C of high strength openly to report up to now.
Summary of the invention
The object of the present invention is to provide the high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of a kind of 150 DEG C of high strength, and a kind of production method of described CABLE MATERIALS is provided further.
The technical solution used in the present invention is as follows:
150 DEG C of high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of high strength, be prepared from by following weight parts raw material: terpolymer EP rubber 20 ~ 25 parts, high density polyethylene(HDPE) 30 ~ 40 parts, metallocene PE 20 ~ 25 parts, methyl vinyl silicone rubber 10 ~ 15 parts, nitrile silicone rubber 20 ~ 25 parts, sensitizing agent 2 ~ 3.5 parts, halogen-free flame retardants 20 ~ 25 parts, smoke suppressor 3 ~ 5 parts, 1.5 ~ 2.5 parts, anti-aging agent, 1 ~ 1.5 part, oxidation inhibitor, tenderizer 4 ~ 6 parts, lubricant 1.5 ~ 2.5 parts, promoting agent 5 ~ 6 parts, white carbon black 20 ~ 25 parts, talcum powder 20 ~ 25 parts, tinting material 0.8 ~ 2.5 part.
Described terpolymer EP rubber EPDM is preferably Nordel2722 or Vistalon2504 or 4045.
Described high density polyethylene is preferably TR144 or 2480.
Described metallocene PE mPE is preferably E2005 or E2010.
Described halogen-free flame retardants is preferably silicon-nitrogen polymer fire retardant;
Described smoke suppressor is preferably molybdic oxide.
Described sensitizing agent is preferably trimethylolpropane trimethacrylate TMPTMA or cyanacrylate TAIC or triallyl cyanurate TAC.
Described anti-aging agent is preferably MB and DNP according to the composite mixture of the mass ratio of 2-4:1.
Described oxidation inhibitor is preferably 288 and 300 according to the composite mixture of the mass ratio of 4-5:6-10.
Described tenderizer is preferably locomotive oil.
Described lubricant is preferably silicon series lubricant agent or polyethylene wax or calcium stearate.
Described promoting agent is preferably zinc oxide and stearic acid according to the composite mixture of 4-5:1 mass ratio.
Described tinting material is preferably thermally oxidized black or phthalein is dark green or plastics are bright red.
Further, in the raw material that the present invention is used, terpolymer EP rubber (EPDM) Nordel2722 is white particle, terpolymer EP rubber (EPDM) Vistalon2504 is white chunks thing, terpolymer EP rubber (EPDM) 4045 is white chunks thing, high density polyethylene(HDPE) (HDPE) TR144 is white particle, high density polyethylene(HDPE) (HDPE) 2480 is white particle, metallocene PE (mPE) E2005 is white particle, and metallocene PE (mPE) E2010 is white particle.Methyl vinyl silicone rubber is white chunks thing, nitrile silicone rubber is white chunks thing.Silicon-nitrogen polymer fire retardant is powdery white particle, the flame retardant properties of fire retardant adjustable material, smoke suppressor molybdic oxide is colourless or white powder particle, sensitizing agent cyanacrylate (TAIC) is colourless liquid, sensitizing agent triallyl cyanurate (TAC) is colourless liquid, sensitizing agent trimethylolpropane trimethacrylate (TMPTMA) is colourless liquid, antioxidant MB is powdery white particle, antioxidant D NP is Powdered light grey particle, oxidation inhibitor 288 is white powder particle, antioxidant 300 is white or light yellow powder particle.Silicon series lubricant agent is white powder or particulate state, and polyethylene wax is powdery white particle, and calcium stearate is powdery white particle.Tenderizer locomotive oil is avy blue or black liquor, promoting agent zinc oxide is powdery white particle, promoting agent stearic acid is powdery white particle, white carbon black is powdery white particle, talcum powder is powdery white particle, tinting material high wear-resistant carbon black is Powdered black particle, and plastics are bright red is Powdered red granules, and phthalein viridescent is Powdered green particles.
Present invention also offers the production method of the high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of a kind of 150 DEG C of high strength: A expects preparation: high density polyethylene(HDPE), metallocene PE, oxidation inhibitor, lubricant are added high-speed mixer and fully mix 5 minutes, and adding temperature is 160 ~ 220 DEG C of forcing machine extruding pelletizations; B expects preparation: it is in 85-90 DEG C of Banbury mixer that surplus stock silicon rubber, nitrile silicone rubber, ethylene-propylene diene copolymer, anti-aging agent, tenderizer, promoting agent, sensitizing agent, halogen-free flame retardants, smoke suppressor, white carbon black, talcum powder, tinting material are added temperature, and entering temperature after banburying 10-12 minute is extruding pelletization in 50 ~ 90 DEG C of rubber comminutors; Prepared by finished product: with B, A material is expected that adding high-speed mixer mixes 5 minutes; then entering temperature is that 160 ~ 220 DEG C of parallel double-screw tablets press retable extrude the pelletizing of cold wind flour milling; then through air cooling and vibratory screening apparatus sorting, the high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of 150 DEG C of high strength can be obtained.
Cable material of polyolefin of the present invention, carries out strict screening to additive and properties-correcting agent, makes not containing having the heavy metal stabilizer of very large harm, Polybrominated biphenyl and ethers thereof etc. not to meet the material of environmental requirement to human body and environment in system, can not to environment; Possess simultaneously high temperature resistant 150 DEG C, wear-resisting, high electrically, the excellent over-all properties of oil resistant, high strength, low cigarette, Halogen, good fluidity, good heat resistance etc.Described CABLE MATERIALS can be used for the products such as electrical equipment line, motor lead, petroleum platform cable, shipboard cable, automotive line, photovoltaic cable, cable for rolling stock, meets the requirement of environmental protection design and manufaction.
The present invention, relative to prior art, has following advantage:
Cable material of polyolefin of the present invention possess simultaneously high temperature resistant, wear-resisting, high electrically, the excellent over-all properties of oil resistant, high strength, low cigarette, Halogen, fire-retardant, good fluidity etc., and environmental-protecting performance meets the requirement of electric wire.
Embodiment
With specific embodiment, technical scheme of the present invention is described below, but protection scope of the present invention is not limited thereto.
Embodiment 1
The high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of a kind of 150 DEG C of high strength, be made up of following weight parts raw material:
Terpolymer EP rubber 20 parts, high density polyethylene(HDPE) 30 parts, metallocene PE 25 parts, methyl vinyl silicone rubber 10 parts, nitrile silicone rubber 25 parts, sensitizing agent 2 parts, halogen-free flame retardants 20 parts, smoke suppressor 3 parts, 1.5 parts, anti-aging agent, 1.0 parts, oxidation inhibitor, lubricant 1.5 parts, tenderizer 4 parts, promoting agent 5 parts, white carbon black 20 parts, talcum powder 20 parts, tinting material 2.5 parts.
Terpolymer EP rubber (EPDM) is Nordel2722, high density polyethylene(HDPE) (HDPE) is 2480, metallocene PE (mPE) is E2005, sensitizing agent is trimethylolpropane trimethacrylate (TMPTMA), halogen-free flame retardants is silicon-nitrogen polymer fire retardant, smoke suppressor is molybdic oxide, 1 part of MB and 0.5 part DNP is composite for anti-aging agent, oxidation inhibitor be 0.4 part 288 and 0.6 parts 300 composite, lubricant is silicon series lubricant agent, tenderizer is locomotive oil, promoting agent is that 4 parts of zinc oxide and 1 part of stearic acid are composite, talcum powder granularity is 1250 orders, tinting material is thermally oxidized black.
Production method is as follows:
A expects preparation: high density polyethylene(HDPE), metallocene PE, oxidation inhibitor, lubricant are added high-speed mixer and mix 5 minutes, and adding temperature is 160 ~ 220 DEG C of forcing machine extruding pelletizations; B expects preparation: it is in 85--90 DEG C of Banbury mixer that silicon rubber, nitrile silicone rubber, terpolymer EP rubber, anti-aging agent, tenderizer, promoting agent, sensitizing agent, halogen-free flame retardants, smoke suppressor, white carbon black, talcum powder, tinting material are added temperature, and banburying enters temperature after 10 minutes be extruding pelletization in 50 ~ 90 DEG C of rubber comminutors; Prepared by finished product: with B, A material is expected that adding high-speed mixer mixes 5 minutes; then entering temperature is that 160 ~ 220 DEG C of parallel double-screw tablets press retable extrude the pelletizing of cold wind flour milling; then through air cooling and vibratory screening apparatus sorting, the high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of 150 DEG C of high strength can be obtained.
The cable material of polyolefin that the present embodiment obtains is black solid particle, the key technical indexes is as follows: tensile strength is 34.7MPa, elongation at break is 368%, with extruding machine at cable products such as 160 ~ 220 DEG C of temperature extrusion electrical equipment lines, motor lead, automotive line, petroleum platform cable, shipboard cable, rolling stocks.
The key technical indexes of the high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of 150 DEG C of high strength that the present embodiment obtains:
Life-time service temperature 150 DEG C
Tensile strength 34.7MPa
Elongation at break 368%
Direct current volume specific resistance (20 DEG C) 6.9 × 10
14Ω m
Heat-proof aging tensile strength velocity of variation 3.7%
Heat-proof aging extension at break velocity of variation-7.1%
Oil resistant test tensile strength velocity of variation 22.3%
Oil resistant test extension at break velocity of variation-33.6%
Elongation 63% under load
Permanent set 3% after cooling
Oxygen index 32
Smoke density (having flame) 67
Halogen acid gas content 0mg/g
Specific conductivity 4.2 μ s/mm
Plumbous (Pb) content≤5 × 10
-6
Cadmium (Cd) content≤5 × 10
-6
Sexavalent chrome (Cr) content≤5 × 10
-6
Mercury (Hg) content≤5 × 10
-6
Polybrominated biphenyl content≤5 × 10
-6
Polybrominated biphenyl ethers content≤5 × 10
-6.
When using the high electrical oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of the present invention's 150 DEG C of high strength to produce electrical equipment line, material property is as shown in table 1.
Embodiment 2
High density polyethylene(HDPE) (HDPE) selects TR144, and calcium stearate selected by lubricant, and other are with embodiment 1.Material property is as shown in table 1.
Embodiment 3
Terpolymer EP rubber (EPDM) selects Vistalon2504, and polyethylene wax selected by lubricant, and other are with embodiment 1, and material property is as shown in table 1.
Table 1 data are carried out test according to cable insulation and electric power sheath material GENERAL EXPERIMENTATION GB/T2951 1 and are obtained.
Table 1
| Experiment content | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Oil resistant test tensile strength velocity of variation | 22.3% | 24.3% | 23.2% |
| Oil resistant test extension at break velocity of variation | -33.6% | -35.4% | -36.1% |
| Elongation under load | 63% | 65% | 60% |
| Tension set after cooling | 3% | 3% | 2% |
Embodiment 4
The high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of a kind of 150 DEG C of high strength, parts by weight of raw materials is composed as follows:
Terpolymer EP rubber 25 parts, high density polyethylene(HDPE) 40 parts, metallocene PE 20 parts, methyl vinyl silicone rubber 15 parts, nitrile silicone rubber 20 parts, sensitizing agent 3.5 parts, halogen-free flame retardants 25 parts, smoke suppressor 5 parts, 2.5 parts, anti-aging agent, 1.5 parts, oxidation inhibitor, lubricant 2.5 parts, tenderizer 6 parts, promoting agent 6 parts, white carbon black 25 parts, talcum powder 25 parts, tinting material 0.8 part.
Terpolymer EP rubber (EPDM) is 4045, high density polyethylene(HDPE) (HDPE) is TR144, metallocene PE (mPE) is E2010, sensitizing agent is TAIC cyanacrylate, halogen-free flame retardants is silicon-nitrogen polymer fire retardant, smoke suppressor is molybdic oxide, anti-aging agent 2 parts of MB and 0.5 part DNP are composite, oxidation inhibitor is that 0.5 part 288 and 1.0 parts 300 composite, lubricants are polyethylene wax, tenderizer is locomotive oil, promoting agent is that 5 parts of zinc oxide and 1 part of stearic acid are composite, talcum powder granularity is 1250 orders, and tinting material is that plastics are bright red.
Production method is with embodiment 1.
The high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of 150 DEG C of high strength that the present embodiment obtains are red solid particle, and tensile strength is 34.4MPa, and elongation at break is 365%; With extruding machine at cable products such as 160 ~ 220 DEG C of temperature extrusion motor leads, petroleum platform cable, automotive line, shipboard cable, rolling stock, electrical equipment lines.
When using the high electrical oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of the present invention's 150 DEG C of high strength to produce motor lead, material property is as shown in table 2:
Embodiment 5
TAC selected by sensitizing agent, and calcium stearate selected by lubricant, and other are with embodiment 4, and the performance obtaining material is as shown in table 2.
Embodiment 6
TMPTMA selected by sensitizing agent, and tinting material selects phthalein too dark green, and other are with embodiment 4, and material property is as shown in table 2.
Table 2
| Experiment content | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Oil resistant test tensile strength velocity of variation | 24.1% | 23.5% | 25.4% |
| Oil resistant test extension at break velocity of variation | -36.4% | -33.8% | -35.2% |
| Elongation under load | 60% | 63% | 62% |
| Tension set after cooling | 3% | 2% | 3% |
Above-described embodiment is the preferred embodiment of the present invention, but embodiments of the present invention are not restricted to the described embodiments, and the change that other any the present invention of not deviating from does all should be equivalent substitute mode, is included within protection scope of the present invention.
Claims (1)
1. a production method for 150 DEG C of high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of high strength, it is characterized in that, this CABLE MATERIALS is made up of following raw material:
Terpolymer EP rubber 25 parts, high density polyethylene(HDPE) 40 parts, metallocene PE 20 parts, methyl vinyl silicone rubber 15 parts, nitrile silicone rubber 20 parts, sensitizing agent 3.5 parts, halogen-free flame retardants 25 parts, smoke suppressor 5 parts, 2.5 parts, anti-aging agent, 1.5 parts, oxidation inhibitor, lubricant 2.5 parts, tenderizer 6 parts, promoting agent 6 parts, white carbon black 25 parts, talcum powder 25 parts, tinting material 0.8 part; Described terpolymer EP rubber EPDM is 4045, high density polyethylene is TR144, metallocene PE mPE is E2010, sensitizing agent is TAIC cyanacrylate, halogen-free flame retardants is silicon-nitrogen polymer fire retardant, smoke suppressor is molybdic oxide, anti-aging agent is the composite of 2 parts of MB and 0.5 part DNP, oxidation inhibitor is 0.5 part 288 and 1.0 parts 300 composite, lubricant is polyethylene wax, and tenderizer is locomotive oil, promoting agent be 5 parts of zinc oxide and 1 part stearic composite, talcum powder granularity is 1250 orders, and tinting material is that plastics are bright red; Its production method is as follows:
A expects preparation: by high density polyethylene(HDPE), metallocene PE, oxidation inhibitor, and lubricant adds high-speed mixer and mixes 5 minutes, adds the forcing machine extruding pelletization that temperature is 160 ~ 220 DEG C, is made as A material;
B expects preparation: by methyl vinyl silicone rubber, nitrile silicone rubber, terpolymer EP rubber, anti-aging agent, tenderizer, promoting agent, sensitizing agent, halogen-free flame retardants, smoke suppressor, white carbon black, talcum powder, it is in the Banbury mixer of 85-90 DEG C that tinting material adds temperature, and banburying enters temperature after 10 minutes be extruding pelletization in 50 ~ 90 DEG C of rubber comminutors, is made as B material;
Prepared by finished product: A material and B material are added high-speed mixer and mixes 5 minutes; then entering temperature is that the parallel double-screw tablets press retable of 160 ~ 220 DEG C extrudes the pelletizing of cold wind flour milling; then through air cooling and vibratory screening apparatus sorting, the high electrically oil resistant irradiation crosslinking halogen-free flame-proof environmental protection cable material of polyolefin of 150 DEG C of high strength can be obtained.
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