CN115490990A - High-temperature-resistant cable material and preparation method thereof - Google Patents
High-temperature-resistant cable material and preparation method thereof Download PDFInfo
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- CN115490990A CN115490990A CN202211328194.9A CN202211328194A CN115490990A CN 115490990 A CN115490990 A CN 115490990A CN 202211328194 A CN202211328194 A CN 202211328194A CN 115490990 A CN115490990 A CN 115490990A
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- 239000000463 material Substances 0.000 title claims abstract description 99
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 50
- 229920005989 resin Polymers 0.000 claims abstract description 50
- 239000011347 resin Substances 0.000 claims abstract description 50
- -1 compatilizer Substances 0.000 claims abstract description 41
- 239000000843 powder Substances 0.000 claims abstract description 41
- 239000004696 Poly ether ether ketone Substances 0.000 claims abstract description 40
- 229920002530 polyetherether ketone Polymers 0.000 claims abstract description 40
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000002156 mixing Methods 0.000 claims abstract description 32
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 25
- 150000004645 aluminates Chemical class 0.000 claims abstract description 23
- 239000007822 coupling agent Substances 0.000 claims abstract description 23
- 238000000498 ball milling Methods 0.000 claims abstract description 17
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 8
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 8
- 239000004611 light stabiliser Substances 0.000 claims abstract description 8
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 20
- 239000004698 Polyethylene Substances 0.000 claims description 19
- 229940095102 methyl benzoate Drugs 0.000 claims description 19
- 229920000573 polyethylene Polymers 0.000 claims description 19
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 239000012752 auxiliary agent Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 17
- 229920002873 Polyethylenimine Polymers 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
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- 125000004437 phosphorous atom Chemical group 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 102000009027 Albumins Human genes 0.000 description 1
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- 125000003277 amino group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- DUWWHGPELOTTOE-UHFFFAOYSA-N n-(5-chloro-2,4-dimethoxyphenyl)-3-oxobutanamide Chemical compound COC1=CC(OC)=C(NC(=O)CC(C)=O)C=C1Cl DUWWHGPELOTTOE-UHFFFAOYSA-N 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/02—Polyamines
-
- 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
- C08K3/02—Elements
- C08K2003/026—Phosphorus
-
- 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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The invention relates to the technical field of cable materials, and discloses a high-temperature-resistant cable material and a preparation method thereof. Mixing black phosphorus and polyether-ether-ketone, and performing ball milling to obtain black phosphorus modified polyether-ether-ketone fine powder with a certain particle size; mixing the black phosphorus modified polyetheretherketone fine powder with resin to obtain mixed resin; mixing and extruding and granulating various auxiliary agents such as mixed resin, calcium carbonate powder, aluminate coupling agent, compatilizer, antioxidant, light stabilizer, lubricant and the like to obtain the high-temperature-resistant cable material.
Description
Technical Field
The invention relates to the technical field of cable materials, in particular to a high-temperature-resistant cable material and a preparation method thereof
Background
With the rapid development of advanced manufacturing industry, the demand of cable materials with high temperature resistance, high strength, insulation and self-lubrication in the fields of materials such as aerospace, military industry, nuclear power, electronic communication, machinery and the like is dramatically increased.
The prior art studies on cable materials are as follows:
chinese patent CN102746564B discloses a preparation method of a high-temperature-resistant and corrosion-resistant cable material, wherein the high-temperature-resistant and corrosion-resistant cable material is prepared by mixing ethylene-vinyl acetate copolymer, polychloropropene resin, bentonite, nano silicon dioxide and the like.
For another example, chinese patent CN103865162B discloses a preparation process of a flame retardant cable material, which utilizes aminosilane to modify the surface of montmorillonite, thereby improving the compatibility of resin base material in the cable.
In the patent, inorganic filler and various base resins are added and mixed, so that the mechanical properties of the resin, such as toughness, strength and the like, are improved. However, improvements in resilience, toughness of the cable material are ignored. The prepared cable material has the defect of hardness and brittleness, and the prepared cable material is not easy to be applied to cable coating.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation method of a high-temperature-resistant cable material, which comprises the following steps:
mixing black phosphorus and polyether-ether-ketone, and performing ball milling to obtain black phosphorus modified polyether-ether-ketone fine powder;
mixing the black phosphorus modified polyetheretherketone fine powder with PEI resin to obtain mixed resin;
step three, mixing and stirring the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the compatilizer, the antioxidant, the light stabilizer and the lubricant to obtain a mixed material;
and step four, extruding and granulating the mixed material to obtain the high-temperature-resistant cable material.
Preferably, in the first step, the mass ratio of the mixture of the black phosphorus and the polyether-ether-ketone is (5-10): 90-95).
Preferably, in the first step, the mass ratio of the ball materials of the black phosphorus and the polyether-ether-ketone ball milling is (10-20): 1, the ball milling rotation speed is 300-500r/min, and the ball milling time is 3-5h.
Preferably, in the second step, the mass ratio of the black phosphorus modified polyetheretherketone fine powder to the PEI resin is (30-45): 30.
Preferably, in the third step, the mass ratio of the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the compatilizer, the antioxidant, the light stabilizer and the lubricant is 70 (0.025-0.05): 2-5): 0.1-0.5): 0.3-0.8).
Preferably, the compatibilizer comprises maleic anhydride-polyethylene-vinyl acetate;
the antioxidant comprises pentaerythritol tetrakis [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate ];
the light stabilizer comprises methyl benzoate;
the lubricant comprises polyethylene wax.
Preferably, in the third step, the mixing and stirring speed is 300-500r/min, and the stirring time is 20-30min;
preferably, in the fourth step, the extrusion temperature of the mixed materials is 350-360 ℃;
preferably, the high-temperature-resistant cable material is prepared by the method.
Compared with the prior art, the invention has the beneficial effects that:
the invention takes the mixed resin of polyether-ether-ketone and PEI as the base resin material. Polyether Ether Ketone (PEK) as an aromatic thermoplastic engineering plastic with high melting point (T) m =334 ℃), excellent high temperature resistance, and further outstanding aging resistance of the material. The corresponding mechanical properties such as tensile strength, bending strength and the like of the composite material still keep stable at high temperature. Meanwhile, the PEI (polyethyleneimine) resin has rich active amino groups, so that the mixed resin becomes an organic whole easily under the bridge action of the compatilizer, and the mechanical property of the cable material is enhanced on the whole.
However, polyetheretherketone resins have the disadvantages of high fracture toughness and poor flexibility. Through the ball milling process, the black phosphorus and the polyether-ether-ketone can be uniformly mixed. The black phosphorus has a graphite-like layered structure, each phosphorus atom on a single layer is connected with surrounding phosphorus atoms through a covalent bond, adjacent layers are combined through Van der Waals force, and the adjacent layers are easy to separate and slide due to weak bonding force, so that the black phosphorus has low shearing force and friction coefficient and negative Poisson ratio characteristic; therefore, the impact energy can be strongly absorbed, so that the physical and mechanical properties of the polyether-ether-ketone resin are greatly improved, including the notch impact strength and the resilience toughness of the material.
In addition, the calcium carbonate powder is added, so that the toughness of the cable material can be improved; the addition of the aluminate coupling agent can greatly improve the compatibility between the calcium carbonate powder and the organic resin. Maleic anhydride-polyethylene-vinyl acetate is a compatilizer, tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester is used as an antioxidant, methyl benzoate is used as a light stabilizer, polyethylene wax is used as a lubricant, and resin, calcium carbonate powder and various auxiliaries are mixed to prepare the cable material which is high-temperature resistant and has various excellent mechanical properties.
Drawings
FIG. 1 is a process diagram of a preparation process of a high temperature resistant cable material;
fig. 2 is a line graph of various mechanical property test data of the high-temperature-resistant cable material.
Detailed Description
Example 1
Preparation method of high-temperature-resistant cable material
Step one, mixing black phosphorus and polyether-ether-ketone according to a mass ratio of 5; wherein the ball-material mass ratio is 10, the ball-milling rotating speed is 300r/min, and the ball-milling time is 3h.
And step two, mixing the black phosphorus modified polyetheretherketone fine powder with PEI resin according to a mass ratio of 45.
Step three, mixing and stirring the mixed resin, calcium carbonate powder, an aluminate coupling agent, maleic anhydride-polyethylene-vinyl acetate, tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, methyl benzoate and polyethylene wax at the stirring speed of 300r/min for 20min to obtain a mixed material; wherein the mass ratio of the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the maleic anhydride-polyethylene-vinyl acetate, the tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the methyl benzoate and the polyethylene wax is 70.
Extruding and granulating the mixed materials to obtain a high-temperature-resistant cable material; wherein the extrusion temperature of the mixed material is 350 ℃.
Example 2
Preparation method of high-temperature-resistant cable material
Step one, mixing black phosphorus and polyether-ether-ketone according to a mass ratio of 6; wherein the ball-milling mass ratio is 20.
And step two, mixing the black phosphorus modified polyetheretherketone fine powder with PEI resin according to a mass ratio of 42.
Step three, mixing and stirring the mixed resin, calcium carbonate powder, an aluminate coupling agent, maleic anhydride-polyethylene-vinyl acetate, tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, methyl benzoate and polyethylene wax at a stirring speed of 500r/min for 30min to obtain a mixed material; wherein the mass ratio of the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the maleic anhydride-polyethylene-vinyl acetate, the tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the methyl benzoate and the polyethylene wax is 70.
Extruding and granulating the mixed materials to obtain a high-temperature-resistant cable material; wherein the extrusion temperature of the mixed material is 352 ℃.
Example 3
Preparation method of high-temperature-resistant cable material
Step one, mixing black phosphorus and polyether-ether-ketone according to a mass ratio of 7; wherein the ball material mass ratio is 13.
And step two, mixing the black phosphorus modified polyetheretherketone fine powder with PEI resin according to a mass ratio of 40.
Step three, mixing and stirring the mixed resin, calcium carbonate powder, an aluminate coupling agent, maleic anhydride-polyethylene-vinyl acetate, tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, methyl benzoate and polyethylene wax at the stirring speed of 350r/min for 23min to obtain a mixed material; wherein the mass ratio of the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the maleic anhydride-polyethylene-vinyl acetate, the tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the methyl benzoate and the polyethylene wax is 70.
Extruding and granulating the mixed materials to obtain a high-temperature-resistant cable material; wherein the extrusion temperature of the mixed material is 354 ℃.
Example 4
Preparation method of high-temperature-resistant cable material
Step one, mixing black phosphorus and polyether-ether-ketone according to a mass ratio of 8; wherein the ball material mass ratio is 15.
And step two, mixing the black phosphorus modified polyetheretherketone fine powder with PEI resin according to a mass ratio of 38.
Step three, mixing and stirring the mixed resin, calcium carbonate powder, an aluminate coupling agent, maleic anhydride-polyethylene-vinyl acetate, tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, methyl benzoate and polyethylene wax at the stirring speed of 400r/min for 25min to obtain a mixed material; wherein the mass ratio of the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the maleic anhydride-polyethylene-vinyl acetate, the tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the methyl benzoate and the polyethylene wax is 70.
Extruding and granulating the mixed materials to obtain a high-temperature-resistant cable material; wherein the extrusion temperature of the mixed material is 356 ℃.
Example 5
Preparation method of high-temperature-resistant cable material
Step one, mixing black phosphorus and polyether-ether-ketone according to a mass ratio of 9; wherein the ball material mass ratio is 17.
And step two, mixing the black phosphorus modified polyetheretherketone fine powder with PEI resin according to a mass ratio of 35.
Step three, mixing and stirring the mixed resin, calcium carbonate powder, an aluminate coupling agent, maleic anhydride-polyethylene-vinyl acetate, tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, methyl benzoate and polyethylene wax at the stirring speed of 450r/min for 25min to obtain a mixed material; wherein the mass ratio of the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the maleic anhydride-polyethylene-vinyl acetate, the tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the methyl benzoate and the polyethylene wax is 70.
Extruding and granulating the mixed materials to obtain a high-temperature-resistant cable material; wherein the extrusion temperature of the mixed material is 358 ℃.
Example 6
Preparation method of high-temperature-resistant cable material
Step one, mixing black phosphorus and polyether-ether-ketone according to a mass ratio of 10 to 90, and carrying out ball milling to obtain black phosphorus modified polyether-ether-ketone fine powder; wherein the ball material mass ratio is 18.
And step two, mixing the black phosphorus modified polyetheretherketone fine powder with PEI resin according to a mass ratio of 30.
Step three, mixing and stirring the mixed resin, calcium carbonate powder, an aluminate coupling agent, maleic anhydride-polyethylene-vinyl acetate, tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, methyl benzoate and polyethylene wax at a stirring speed of 500r/min for 27min to obtain a mixed material; wherein the mass ratio of the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the maleic anhydride-polyethylene-vinyl acetate, the tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the methyl benzoate and the polyethylene wax is 70.
Extruding and granulating the mixed materials to obtain a high-temperature-resistant cable material; wherein the extrusion temperature of the mixed material is 360 ℃.
Comparative example 1
Preparation method of high-temperature-resistant cable material
Step one, mixing and stirring PEI resin, calcium carbonate powder, an aluminate coupling agent, maleic anhydride-polyethylene-vinyl acetate, tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, methyl benzoate and polyethylene wax at a stirring speed of 300r/min for 20min to obtain a mixed material; wherein, the mass ratio of the PEI resin, the calcium carbonate powder, the aluminate coupling agent, the maleic anhydride-polyethylene-vinyl acetate, the tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the methyl benzoate and the polyethylene wax is 70.
Step two, extruding and granulating the mixed material to obtain a high-temperature-resistant cable material; wherein the extrusion temperature of the mixed material is 350 ℃.
Comparative example 2
Preparation method of high-temperature-resistant cable material
Step one, mixing black phosphorus and polyether-ether-ketone according to a mass ratio of 5; wherein the ball-material mass ratio is 10, the ball-milling rotating speed is 300r/min, and the ball-milling time is 3h.
Step two, mixing and stirring the black phosphorus modified polyetheretherketone fine powder, the calcium carbonate powder, the aluminate coupling agent, the maleic anhydride-polyethylene-vinyl acetate, the tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the methyl benzoate and the polyethylene wax at the stirring speed of 300r/min for 20min to obtain a mixed material; wherein the mass ratio of the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the maleic anhydride-polyethylene-vinyl acetate, the tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the methyl benzoate and the polyethylene wax is 70.
Step three, extruding and granulating the mixed material to obtain a high-temperature-resistant cable material; wherein the extrusion temperature of the mixed material is 350 ℃.
In examples 1-6 and comparative examples 1-2 above, the black phosphorus was from Beijing Ke Xin Material science and technology Co., ltd under the product number BKTMC 010406; the polyetheretherketone is from Yufeng plastics Co Ltd in Dongguan city, and has a trade name of PEEK-A100BK and a commodity number of PEEK450G; the PEI resin (polyethyleneimine) is from Wuhanla Albumin pharmaceutical chemical Co., ltd, the product number is EF234243, and the model number is DW3432; the calcium carbonate powder is from Huaxing bioengineering Co., ltd, hainan century, with a product number of sjhx00101263; the aluminate coupling agent is from Kang Jin chemical engineering official flagship store with a goods number of 411 and a model number of DL411; the maleic anhydride-polyethylene-vinyl acetate is from plastic-flavor original strength flagship store, and has the cargo number of 00128; tetrakis [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propanoic acid ] pentaerythritol ester is from Tianjin Jinzheng blue sea technology ltd, CAS number 6683-19-8, cat number antioxidant 1010.
The high-temperature-resistant cable materials prepared in examples 1-6 and comparative examples 1-2 were subjected to various mechanical property tests.
1. The tensile property of the prepared high-temperature-resistant cable material is measured according to GB/T1040-2006 'determination of plastic tensile property'; the tensile properties obtained in the tensile test were averaged and analyzed five times with a loading speed of 2mm/min, an original gauge length of 25mm, and each of examples and comparative examples.
2. The bending property of the prepared high-temperature-resistant cable material is determined according to GB/T9341-2008 'determination of Plastic bending Property'; the bending strength obtained by the three-point bending test was averaged and analyzed, five times for each example and comparative example, using a loading speed of 1mm/min and a span of 24mm as set in the bending test.
3. And measuring the tensile strength of the prepared high-temperature-resistant cable material after heating at 200 ℃ for 300h according to GB/T3512-2014.
4. And measuring the bending strength of the prepared high-temperature-resistant cable material after heating at 200 ℃ for 300 hours according to GB/T3512-2014.
The test results are shown in table 1:
TABLE 1
From the results in table 1, it is understood that, since polyetheretherketone is a resin having a high melting point and high temperature resistance, the tensile strength and flexural strength properties of the cable material having a high polyether ether ketone content are maintained well after heat aging, and as in example 1, the tensile strength is decreased from 57MPa to 54MPa and the flexural strength is decreased from 78MPa to 74MPa after heat aging in an air box, and the values of the tensile strength and the flexural strength are large before and after heat aging. In contrast, comparative example 1, in which no polyether ether ketone was added, resulted in a significant decrease in tensile strength and flexural strength; comparative example 2 does not add PEI resin, fails to make the mixed resin an organic whole by the effect of the compatibilizer, and fails to enhance the mechanical properties of the cable material as a whole.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The preparation method of the high-temperature-resistant cable material is characterized by comprising the following steps of:
mixing black phosphorus and polyether-ether-ketone, and performing ball milling to obtain black phosphorus modified polyether-ether-ketone fine powder;
mixing the black phosphorus modified polyetheretherketone fine powder with PEI resin to obtain mixed resin;
step three, mixing and stirring the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the compatilizer, the antioxidant, the light stabilizer and the lubricant to obtain a mixed material;
and step four, extruding and granulating the mixed material to obtain the high-temperature-resistant cable material.
2. The method for preparing a high temperature resistant cable material according to claim 1, wherein in the first step, the mass ratio of the mixture of the black phosphorus and the polyether ether ketone is (5-10) to (90-95).
3. The preparation method of the high-temperature-resistant cable material according to claim 1, wherein in the first step, the ball-milling is carried out on the black phosphorus and the polyether-ether-ketone at a ball-milling mass ratio of (10-20): 1, a ball-milling rotation speed of 300-500r/min and a ball-milling time of 3-5h.
4. The method for preparing the high-temperature-resistant cable material according to claim 1, wherein in the second step, the mass ratio of the black phosphorus modified polyetheretherketone fine powder to the PEI resin is (30-45): 30.
5. The preparation method of the high temperature resistant cable material according to claim 1, wherein in the third step, the mass ratio of the mixed resin, the calcium carbonate powder, the aluminate coupling agent, the compatilizer, the antioxidant, the light stabilizer and the lubricant is 70 (0.025-0.05): 2-5): 0.1-0.5): 0.3-0.8.
6. The method for preparing a high temperature resistant cable material according to claim 1, wherein the compatibilizer comprises maleic anhydride-polyethylene-vinyl acetate; the antioxidant comprises pentaerythritol tetrakis [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate ]; the light stabilizer comprises methyl benzoate; the lubricant comprises polyethylene wax.
7. The method for preparing the high temperature resistant cable material according to claim 1, wherein in the step (4), the extrusion temperature of the mixed material is 350-360 ℃.
8. The high-temperature-resistant cable material prepared by the preparation method of the high-temperature-resistant cable material in any one of claims 1 to 7.
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