CN105968540A - Anti-aging temperature-resistant cable material and preparation method thereof - Google Patents
Anti-aging temperature-resistant cable material and preparation method thereof Download PDFInfo
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- CN105968540A CN105968540A CN201610579980.4A CN201610579980A CN105968540A CN 105968540 A CN105968540 A CN 105968540A CN 201610579980 A CN201610579980 A CN 201610579980A CN 105968540 A CN105968540 A CN 105968540A
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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
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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Abstract
The invention relates to an anti-aging temperature-resistant cable material which is prepared from the following raw materials in parts by weight: 3-5 parts of silicon carbide, 5-6 parts of magnesium hydroxide whisker, 1-1.5 parts of polyurethane resin, 4-5 parts of magnesium silicate whisker, 9-10 parts of polyacrylonitrile, 6-7 parts of polylactic acid, 3-4 parts of polyoxyethylene, a right amount of dimethyl formamide, a right amount of composite solvent composed of dimethyl formamide and dichloromethane in a volume ratio of 1:1, a right amount of methyl methacrylate, a right amount of isopropyl thiaanthracenone, 20-25 parts of ethylene-vinyl acetate copolymer and 80-85 parts of low-density polyethylene. The silicon carbide, magnesium hydroxide whisker and magnesium silicate whisker are utilized to enhance the strength, aging resistance, temperature resistance and excellent inorganic flame-retardant effect of the cable material, so that the cable material does not generate any toxic gas. The technique solves the problem of obvious conglobation phenomenon due to nonuniform dispersion of the filler, so that the filler is uniformly distributed and coated in the matrix resin, thereby being beneficial to the interface combination between the filler and matrix resin; and the formed fibers greatly enhance the mechanical properties of the cable material, and enhance the tear resistance, toughness and other properties of the cable material.
Description
Technical field
The present invention relates to CABLE MATERIALS field, particularly relate to a kind of ageing-resistant, temperature-resisting cable material and preparation method thereof.
Background technology
Wire cable insulating and sheath plastics are commonly called as CABLE MATERIALS, which includes the multiple kinds such as rubber, plastics, nylon.Development along with society, electric wire is increasingly widely used in every field, as transported, communicating, building etc., therefore, requirement to the professional field of electric wire is more and more higher, cable typically in laid processes mainly by ambient pressure, pulling force, bend, collide, the effect such as beat, and CABLE MATERIALS in use can stand the test of the environment such as cold and hot, light, chemicals, water, voltage, there will be scuffing, corrosion, wear, fracture, ftracture, aging, burn, puncture the phenomenons such as electric leakage, need to improve the performance of CABLE MATERIALS.
Low-smoke halogen-free flame-retardant polyolefin cable protective cover material in actual applications, often faces the problem mutually restricted between mechanical property, processing characteristics and fire resistance and can not take into account.For obtaining the balance of optimal mechanical property and fire resistance on the basis of meeting Essential Performance Requirements, conventional means have: inorganic fire-retarded filler surface coupling processing, using bulking agent etc., this kind of method can not be fully solved the binding ability of inorganic fire-retarded filler and plastics.Other fillers also can deposit same consistency problem, needs to improve technique to improve the mechanical property of CABLE MATERIALS.
Summary of the invention
It is an object of the invention to provide a kind of ageing-resistant, temperature-resisting cable material, this CABLE MATERIALS has the advantage that intensity is high, ageing-resistant, heat resistance is good, also has superior inorganic fire-retarded effect.
Technical scheme is as follows:
A kind of ageing-resistant, temperature-resisting cable material, it is characterised in that be prepared by the raw materials in: carborundum 3-5, magnesium hydroxide crystal whisker 5-6, polyurethane resin 1-1.5, magnesium silicate whiskers 4-5, polyacrylonitrile 9-10, polylactic acid 6-7, polyethylene glycol oxide 3-4, dimethylformamide are appropriate, dimethylformamide/dichloromethane volume ratio is that 1:1 double solvents is appropriate, methyl methacrylate is appropriate, isopropyl thioxanthone is appropriate, ethylene-vinyl acetate copolymer 20-25, Low Density Polyethylene 80-85.
Described ageing-resistant, the production method of temperature-resisting cable material, it is characterised in that:
(1) polyacrylonitrile is dissolved in dimethylformamide, make the solution of 11-12wt%, it is 1:1 double solvents that polylactic acid is dissolved in dimethylformamide/dichloromethane volume ratio, make the solution of 11-12wt%, it is 1:1 double solvents that polyethylene glycol oxide is dissolved in dimethylformamide/dichloromethane volume ratio, make the solution of 11-12wt%, then three kinds of solution are mixed to get polymer solution；
(2) in darkroom, the methyl methacrylate of the isopropyl thioxanthone relative to polyacrylonitrile content 14-16wt% and 14-16wt% is added in polymer solution, stir to after being completely dissolved, add carborundum, polyurethane resin, stir, stand 20-30 minute, add magnesium hydroxide crystal whisker, magnesium silicate whiskers, stir, ultrasonic disperse 4-5 minute, obtains spinning liquid；
(3) spinning liquid (2nd) step obtained carries out electrostatic spinning, then drying under ultraviolet light irradiates, and obtains fiber；
(4) (3rd) fiber obtained is mixed with other residual componentss, send in high-speed mixer and mix, mix homogeneously at 110-is 120 DEG C, then through pelletize and get final product.
Beneficial effects of the present invention
CABLE MATERIALS of the present invention, by using carborundum, magnesium hydroxide crystal whisker, magnesium silicate whiskers, improves the intensity of CABLE MATERIALS, improves ageing-resistant performance, heat resistance and superior inorganic fire-retarded effect, produces without poison；Present invention process solves filler, and to assemble pockets of phenomenon because dispersion is uneven obvious, filler distribution uniformly and is covered by matrix resin, it is beneficial to the interface cohesion of filler and matrix resin, and the fiber formed greatly improves the mechanical property of CABLE MATERIALS, improve the performances such as tear-resistant, toughness；By adding polyurethane resin, improve the adhesion between filler and fiber, improve the toughening effect of fiber.
Detailed description of the invention
A kind of ageing-resistant, temperature-resisting cable material, is made up of the raw material of following weight portion (kilogram): carborundum 4, magnesium hydroxide crystal whisker 5.5, polyurethane resin 1-1.5, polyurethane resin 1-1.5, magnesium silicate whiskers 4.5, polyacrylonitrile 9.5, polylactic acid 6.5, polyethylene glycol oxide 3.5, dimethylformamide are appropriate, dimethylformamide/dichloromethane volume ratio is that 1:1 double solvents is appropriate, methyl methacrylate is appropriate, isopropyl thioxanthone is appropriate, ethylene-vinyl acetate copolymer 23, Low Density Polyethylene 83.
Described ageing-resistant, the production method of temperature-resisting cable material, it is characterised in that:
(1) polyacrylonitrile is dissolved in dimethylformamide, make the solution of 11wt%, it is 1:1 double solvents that polylactic acid is dissolved in dimethylformamide/dichloromethane volume ratio, make the solution of 11wt%, it is 1:1 double solvents that polyethylene glycol oxide is dissolved in dimethylformamide/dichloromethane volume ratio, make the solution of 11wt%, then three kinds of solution are mixed to get polymer solution；
(2) in darkroom, the methyl methacrylate of the isopropyl thioxanthone relative to polyacrylonitrile content 15wt% and 15wt% is added in polymer solution, stir to after being completely dissolved, add carborundum, polyurethane resin, stir, stand 25 minutes, add magnesium hydroxide crystal whisker, magnesium silicate whiskers, stir, ultrasonic disperse 4 minutes, obtains spinning liquid；
(3) spinning liquid (2nd) step obtained carries out electrostatic spinning, then drying under ultraviolet light irradiates, and obtains fiber；
(4) (3rd) fiber obtained is mixed with other residual componentss, send in high-speed mixer and mix, mix homogeneously at 115 DEG C, then through pelletize and get final product.
Experimental data:
By in blocks for the hot pressing on vulcanizing press of the CABLE MATERIALS of this embodiment, make the dumbbell shape sample of thickness 1 mm for Mechanics Performance Testing, the sample also having thickness 3 mm is tested for oxygen index (OI), knot test result be hot strength be 19 MPa, elongation at break is 260%, oxygen index (OI) is 36, electrical strength is 34MV/ m, and carbon residual is 9.7%.
Claims (2)
1. ageing-resistant, a temperature-resisting cable material, it is characterised in that be prepared by the raw materials in: carborundum 3-5, magnesium hydroxide crystal whisker 5-6, polyurethane resin 1-1.5, magnesium silicate whiskers 4-5, polyacrylonitrile 9-10, polylactic acid 6-7, polyethylene glycol oxide 3-4, dimethylformamide are appropriate, dimethylformamide/dichloromethane volume ratio is that 1:1 double solvents is appropriate, methyl methacrylate is appropriate, isopropyl thioxanthone is appropriate, ethylene-vinyl acetate copolymer 20-25, Low Density Polyethylene 80-85.
Ageing-resistant, the production method of temperature-resisting cable material the most according to claim 1, it is characterised in that:
(1) polyacrylonitrile is dissolved in dimethylformamide, make the solution of 11-12wt%, it is 1:1 double solvents that polylactic acid is dissolved in dimethylformamide/dichloromethane volume ratio, make the solution of 11-12wt%, it is 1:1 double solvents that polyethylene glycol oxide is dissolved in dimethylformamide/dichloromethane volume ratio, make the solution of 11-12wt%, then three kinds of solution are mixed to get polymer solution；
(2) in darkroom, the methyl methacrylate of the isopropyl thioxanthone relative to polyacrylonitrile content 14-16wt% and 14-16wt% is added in polymer solution, stir to after being completely dissolved, add carborundum, polyurethane resin, stir, stand 20-30 minute, add magnesium hydroxide crystal whisker, magnesium silicate whiskers, stir, ultrasonic disperse 4-5 minute, obtains spinning liquid；
(3) spinning liquid (2nd) step obtained carries out electrostatic spinning, then drying under ultraviolet light irradiates, and obtains fiber；
(4) (3rd) fiber obtained is mixed with other residual componentss, send in high-speed mixer and mix, mix homogeneously at 110-is 120 DEG C, then through pelletize and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610579980.4A CN105968540A (en) | 2016-07-22 | 2016-07-22 | Anti-aging temperature-resistant cable material and preparation method thereof |
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| CN201610579980.4A CN105968540A (en) | 2016-07-22 | 2016-07-22 | Anti-aging temperature-resistant cable material and preparation method thereof |
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| CN105968540A true CN105968540A (en) | 2016-09-28 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104910477A (en) * | 2015-05-25 | 2015-09-16 | 力拓电力合金电缆股份有限公司 | High strength low smoke halogen-free flame retardant cable material for buildings and preparation method thereof |
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- 2016-07-22 CN CN201610579980.4A patent/CN105968540A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104910477A (en) * | 2015-05-25 | 2015-09-16 | 力拓电力合金电缆股份有限公司 | High strength low smoke halogen-free flame retardant cable material for buildings and preparation method thereof |
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Application publication date: 20160928 |