CN109233033A - A kind of energy saving and environment friendly insulating materials and preparation method thereof - Google Patents
A kind of energy saving and environment friendly insulating materials and preparation method thereof Download PDFInfo
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- CN109233033A CN109233033A CN201810831276.2A CN201810831276A CN109233033A CN 109233033 A CN109233033 A CN 109233033A CN 201810831276 A CN201810831276 A CN 201810831276A CN 109233033 A CN109233033 A CN 109233033A
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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
- C08L19/00—Compositions of rubbers not provided for in groups C08L7/00 - C08L17/00
- C08L19/003—Precrosslinked rubber; Scrap rubber; Used vulcanised rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/324—Alkali metal phosphate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
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- 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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Abstract
The present invention provides a kind of energy saving and environment friendly insulating materials and preparation method thereof, is prepared by following component: industrial scrap rubber, ethylene-vinyl acetate copolymer, waste ceramic powder, modified urea-formaldehyde resin, epoxy resin, modification infusorial earth, titanium dioxide, zinc oxide, modified glass-fiber, lubricant, dibutyl phthalate, coupling agent, antioxidant, magnesium stearate, dehydrated alcohol, dispersing agent and deionized water.The insulating materials that the present invention is prepared, its performance is stable, dielectric constant is low, good insulation preformance, compressive resistance are strong, and industrial scrap rubber, waste ceramic powder in raw material, effective solution problem of environmental pollution, while waste utilization, preparation cost also greatly reduces.
Description
Technical field
The invention belongs to insulating materials technical fields, and in particular to a kind of energy saving and environment friendly insulating materials and its preparation side
Method.
Background technique
In recent years, China's electric utility is quickly grown, and network system working voltage grade is continuously improved, and network size is gradually
Expand.Core equipment is mainly epoxy-based material in power grid, and epoxy resin belongs to middle polarity high polymer, macromolecular end
There is epoxy group at end, there is hydroxyl and ehter bond among key, also will continue to generate hydroxyl and ehter bond in the curing process, therefore be powered on outside
Charge inducing can be generated when field, the more nonpolar polymer of the volume resistivity of epoxy resin is caused to have certain gap.Currently, hanging
The epoxy resin insulation material volume resistivity for netting operation is relatively low, and especially under high direct voltage, charge gathers cause surface for a long time
Flashover is one of the maximum hidden danger of extra-high voltage grid safety.Since distribution of space charge unevenly will cause the abnormal of insulating materials
Become, influences the aging of its insulation degree and accelerated material.
With society, expanding economy, insulating materials becomes pith stealthy in people's daily life.In unexpected feelings
Under condition, guarantee circuit normal operation be it is highly important, therefore, in some large-scale tall buildings, crowded place, insulation
The good wire and cable of performance becomes the selection of people's subjectivity.Existing cable insulation material mainly has: mica tape fire-resisting cable, oxygen
Change magnesium mineral insulated cable, flexible fire-proof cable and fire-proof mud inorganic mineral fireproof cable etc., these above-mentioned cables exist
Various disadvantages, such as: mica tape fire-resisting cable flexibility is poor, and thickness is restricted, and production efficiency slow around speed packet is low, to lead
Cause processing, human cost high；Moisture absorption is strong, and storage 3-6 months, insulation performance declined rapidly after dampness；In addition, price is high, it is special
It is not synthetic mica.Magnesium oxide mineral insulation cable is expensive, production technology is complicated and laying difficulty is big.
Publication No. CN101445627A discloses a kind of high-voltage DC cable insulating material and preparation method thereof, the hair
It is bright the technical solution adopted is that, by the low density polyethylene (LDPE) of 100 parts by weight, the antioxidant of 0.1-1 parts by weight, 0.5-5 parts by weight
Maleic anhydride, be put into mixer and be kneaded, then add 0.1-5 parts by weight crosslinking agent be kneaded 10-15 minutes, obtain height
Direct current cables insulating materials is pressed, the insulating materials of invention preparation can effectively improve the mechanical property and electricity of high voltage direct current cable
Gas performance, but the invention cannot improve the corrosion resistance and anti-aging property of material well, therefore be not suitable for promoting life
It produces.
Publication No. CN103242643A discloses a kind of Ultrahigh-voltage direct-current cable insulation material and preparation method thereof, group
Point and its content are as follows: polyphenylene oxide resin 20-60 parts by weight, elastomer 25-40 parts by weight, compatilizer 0-5 parts by weight, antioxidant
0.1-1 parts by weight, the inorganic nano-particle 0.5-5 parts by weight of Ionic Liquid Modified, crosslinking agent 0.1-5 parts by weight.System of the present invention
Standby insulating materials flexibility is good, good mechanical performance, and can effectively improve superhigh voltage DC cable mechanical property and
Electric property, but the invention preparation process is complicated, higher cost, and raw material acquisition is more difficult, is also unfavorable for extensive life
It produces.
Accordingly, it is desirable to provide a kind of better insulating materials, to improve the deficiencies in the prior art, this is also to building security
Reliably, the defeated change network of the electric power of stability and high efficiency, promotion China's transmission of electricity level and saving resource are of great significance.
Summary of the invention
The object of the present invention is to provide a kind of energy saving and environment friendly insulating materials and preparation method thereof, what the present invention was prepared
Insulating materials, performance is stable, dielectric constant is low, good insulation preformance, compressive resistance are strong, and industrial scrap rubber in raw material,
While waste utilization, preparation cost is also greatly reduced in waste ceramic powder, effective solution problem of environmental pollution.
The present invention provides the following technical solutions:
A kind of energy saving and environment friendly insulating materials, the raw material including following parts by weight: industrial scrap rubber 25-29 parts, ethyl vinyl acetate second
8-13 parts of alkene copolymer, 12-16 parts of waste ceramic powder, 8-13 parts of modified urea-formaldehyde resin, 9-12 parts of epoxy resin, modification infusorial earth 8-
11 parts, 7-10 parts of titanium dioxide, 5-9 parts of zinc oxide, 14-18 parts of modified glass-fiber, 3-6 parts of lubricant, phthalic acid two
4-8 parts of butyl ester, 3-6 parts of coupling agent, 3-5 parts of antioxidant, 5-8 parts of magnesium stearate, 8-13 parts of dehydrated alcohol, 3-5 parts of dispersing agent and
9-14 parts of deionized water.
Preferably, the insulating materials includes the raw material of following parts by weight: industrial scrap rubber 25-28 parts, ethyl vinyl acetate second
8-12 parts of alkene copolymer, 12-15 parts of waste ceramic powder, 8-11 parts of modified urea-formaldehyde resin, 9-11 parts of epoxy resin, modification infusorial earth 8-
10 parts, 7-9 parts of titanium dioxide, 5-8 parts of zinc oxide, 15-18 parts of modified glass-fiber, 4-6 parts of lubricant, two fourth of phthalic acid
It 5-8 parts of ester, 4-6 parts of coupling agent, 4-5 parts of antioxidant, 6-8 parts of magnesium stearate, 8-12 parts of dehydrated alcohol, 3-4 parts of dispersing agent and goes
11-14 parts of ionized water.
Preferably, the insulating materials includes the raw material of following parts by weight: 27 parts of industrial scrap rubber, ethene-vinyl acetate
1 part of copolymer 1,14 parts of waste ceramic powder, 10 parts of modified urea-formaldehyde resin, 10 parts of epoxy resin, 9 parts of modification infusorial earth, titanium dioxide 8
Part, 7 parts of zinc oxide, 17 parts of modified glass-fiber, 5 parts of lubricant, 7 parts of dibutyl phthalate, 5 parts of coupling agent, antioxidant 4
Part, 7 parts of magnesium stearate, 11 parts of dehydrated alcohol, 3 parts of dispersing agent and 13 parts of deionized water.
A kind of preparation method of energy saving and environment friendly insulating materials, including following preparation step:
A, industrial scrap rubber, modified urea-formaldehyde resin and epoxy resin are mixed and is imported in mixer, the mixing at 160-175 DEG C
1.5-1.6h, then it is cooled to 110-115 DEG C, ethylene-vinyl acetate copolymer and waste ceramic powder is added, reacts under mechanical stirring
0.8-1.2h obtains material one；
B, modification infusorial earth, titanium dioxide, zinc oxide, magnesium stearate and dehydrated alcohol are mixed, is imported in batch mixer, in 80-
At 83 DEG C, to be stirred to react 35-38min under the revolving speed of 400-450r/min, filter out dehydrated alcohol, then be blended into deionized water and
Dispersing agent, sonic oscillation disperse 10-12min, filter out dehydrated alcohol, obtain material two；
C, material two, modified glass fibre peacekeeping lubricant are imported in ball mill, wet-milling 1-1.2h obtains material three；
D, material one, material three, dibutyl phthalate, coupling agent and antioxidant are imported in Double-screw machine, is extruded into
Finished product can be obtained in type.
Preferably, the modified urea-formaldehyde resin of the step a the preparation method comprises the following steps: by urea, formaldehyde and water mix, be added dropwise carbon
Sour sodium adjusts pH value to 9, then is placed at 68 DEG C and is stirred to react 23min, and polystyrene, Chloromethyl polystyrene and N, N- bis- is added
Methylformamide continues to be stirred to react 18min, adds neopelex, is warming up to 84 DEG C and is stirred to react 0.8h, warp
It is filtered, washed, dries, modified urea-formaldehyde resin can be obtained.
Preferably, the modification infusorial earth of the step b the preparation method comprises the following steps: diatomite is placed at 580 DEG C calcines 2h, then
500 meshes were crushed to, tetradecyltrimethylammonium bromide is added, are sent into supercritical CO2In reaction kettle, temperature be 48 DEG C,
Pressure is carbon dioxide reaction 45min to be passed through, then successively washed with distilled water, dehydrated alcohol, in 80 DEG C of dryings under 5MPa
Modification infusorial earth can be obtained in 0.8h.
Preferably, the dispersing agent of the step b be sodium pyrophosphate, sodium orthophosphate, sodium tartrate and sodium metasilicate in mass ratio
2:1:1:3 is mixed.
Preferably, the modified glass-fiber of the step c the preparation method comprises the following steps: glass fibre to be cut into the short fibre of 2mm
Dimension, then the sodium hydroxide solution for being 30% with mass concentration mix, and are stirred to react 30min, after filtering sodium hydroxide solution, use
Deionization washing, standing are dried, and modified glass-fiber can be obtained.
Preferably, the lubricant of the step c is mixed for oleamide, methyl-silicone oil and atoleine 1:5:5 in mass ratio
It closes.
Preferably, the coupling agent of the step d be titanate coupling agent and silane coupling agent 3:1 in mass ratio mixing and
At.
The beneficial effects of the present invention are:
The insulating materials that the present invention is prepared, performance is stable, dielectric constant is low, good insulation preformance, compressive resistance are strong, and former
Industrial scrap rubber, waste ceramic powder in material, effective solution problem of environmental pollution, while waste utilization, also greatly
Reduce preparation cost.
Modified urea-formaldehyde resin and epoxy resin in the present invention have good compatibility, and solid particle can be improved in this hair
Dispersibility in bright mixed system；Modified urea-formaldehyde resin and industrial scrap rubber all have preferable weatherability, and the collaboration of the two is made
With dielectric constant, the dielectric loss of finished product can be significantly reduced, and the thermal decomposition of finished product insulating materials can be improved in epoxy resin
Temperature, to improve the heat resistance of finished product.
Modification infusorial earth dispersibility in the present invention is good, and has stronger hardness, good corrosion resistance, high temperature
Stability is fine, heat resistance is fine, intensity is very high, be dispersed in the present invention in mixture system so that finished product have it is excellent
Different abrasion resistance properties；And the physical structural characteristic of diatomite, additionally it is possible to increase substantially the volume resistivity of material, reduce table
Surface charge accumulation optimizes field distribution, avoids edge flashing, while improving the comprehensive performances such as insulated with material, mechanics and calorifics.
Dispersing agent in the present invention is the proportion of sodium pyrophosphate, sodium orthophosphate, sodium tartrate and sodium metasilicate, in the ratio
Under, the dispersibility of the raw material in mixed system can be effectively improved.
Its adsorptivity to the solid particle in the present invention, connectivity can be improved in modified glass-fiber in the present invention, from
And improve tensile strength, weatherability, the impact strength of finished product insulating materials etc. of preparation.
Specific embodiment
Embodiment 1
A kind of energy saving and environment friendly insulating materials, the raw material including following parts by weight: 25 parts of industrial scrap rubber, ethene-vinyl acetate
3 parts of copolymer 1,12 parts of waste ceramic powder, 8 parts of modified urea-formaldehyde resin, 12 parts of epoxy resin, 8 parts of modification infusorial earth, titanium dioxide 10
Part, 9 parts of zinc oxide, 18 parts of modified glass-fiber, 3 parts of lubricant, 4 parts of dibutyl phthalate, 3 parts of coupling agent, antioxidant 3
Part, 8 parts of magnesium stearate, 13 parts of dehydrated alcohol, 5 parts of dispersing agent and 14 parts of deionized water.
A kind of preparation method of energy saving and environment friendly insulating materials, including following preparation step:
A, industrial scrap rubber, modified urea-formaldehyde resin and epoxy resin are mixed and is imported in mixer, the mixing 1.6h at 175 DEG C,
It is cooled to 115 DEG C again, ethylene-vinyl acetate copolymer and waste ceramic powder is added, reacts 1.2h under mechanical stirring, obtains material
One；
B, modification infusorial earth, titanium dioxide, zinc oxide, magnesium stearate and dehydrated alcohol are mixed, is imported in batch mixer, at 83 DEG C
Under, to be stirred to react 38min under the revolving speed of 450r/min, dehydrated alcohol is filtered out, then be blended into deionized water and dispersing agent, ultrasound
Vibrating dispersion 10min, filters out dehydrated alcohol, obtains material two；
C, material two, modified glass fibre peacekeeping lubricant are imported in ball mill, wet-milling 1.2h obtains material three；
D, material one, material three, dibutyl phthalate, coupling agent and antioxidant are imported in Double-screw machine, is extruded into
Finished product can be obtained in type.
The modified urea-formaldehyde resin of step a the preparation method comprises the following steps: by urea, formaldehyde and water mix, be added dropwise sodium carbonate adjust pH
Value is to 9, then is placed at 68 DEG C and is stirred to react 23min, and polystyrene, Chloromethyl polystyrene and N, N- dimethyl formyl is added
Amine continues to be stirred to react 18min, adds neopelex, is warming up to 84 DEG C and is stirred to react 0.8h, is filtered, washed
It washs, dry, modified urea-formaldehyde resin can be obtained.
The modification infusorial earth of step b calcines 2h the preparation method comprises the following steps: diatomite is placed at 580 DEG C, then is crushed to 500
Tetradecyltrimethylammonium bromide is added in mesh, is sent into supercritical CO2In reaction kettle, temperature be 48 DEG C, pressure 5MPa
Under, it is passed through carbon dioxide reaction 45min, then successively washed with distilled water, dehydrated alcohol, in 80 DEG C of dry 0.8h, can be obtained
Modification infusorial earth.
The dispersing agent of step b is sodium pyrophosphate, sodium orthophosphate, sodium tartrate and sodium metasilicate 2:1:1:3 in mass ratio mixing
It forms.
The modified glass-fiber of step c the preparation method comprises the following steps: glass fibre to be cut into the staple fiber of 2mm, then with quality
The sodium hydroxide solution that concentration is 30% mixes, and is stirred to react 30min, after filtering sodium hydroxide solution, spends ion-cleaning,
Standing is dried, and modified glass-fiber can be obtained.
The lubricant of step c is that oleamide, methyl-silicone oil and atoleine 1:5:5 in mass ratio are mixed.
The coupling agent of step d is that titanate coupling agent and silane coupling agent 3:1 in mass ratio are mixed.
Embodiment 2
A kind of energy saving and environment friendly insulating materials, the raw material including following parts by weight: 28 parts of industrial scrap rubber, ethene-vinyl acetate
8 parts of copolymer, 12 parts of waste ceramic powder, 8 parts of modified urea-formaldehyde resin, 11 parts of epoxy resin, 8-10 parts of modification infusorial earth, titanium dioxide
9 parts, 8 parts of zinc oxide, 118 parts of modified glass-fiber, 4 parts of lubricant, 5 parts of dibutyl phthalate, 4 parts of coupling agent, antioxygen
4 parts of agent, 6 parts of magnesium stearate, 12 parts of dehydrated alcohol, 4 parts of dispersing agent and 14 parts of deionized water.
A kind of preparation method of energy saving and environment friendly insulating materials, including following preparation step:
A, industrial scrap rubber, modified urea-formaldehyde resin and epoxy resin are mixed and is imported in mixer, the mixing 1.6h at 175 DEG C,
It is cooled to 110 DEG C again, ethylene-vinyl acetate copolymer and waste ceramic powder is added, reacts 1.2h under mechanical stirring, obtains material
One；
B, modification infusorial earth, titanium dioxide, zinc oxide, magnesium stearate and dehydrated alcohol are mixed, is imported in batch mixer, at 80 DEG C
Under, to be stirred to react 35min under the revolving speed of 400r/min, dehydrated alcohol is filtered out, then be blended into deionized water and dispersing agent, ultrasound
Vibrating dispersion 10min, filters out dehydrated alcohol, obtains material two；
C, material two, modified glass fibre peacekeeping lubricant are imported in ball mill, wet-milling 1h obtains material three；
D, material one, material three, dibutyl phthalate, coupling agent and antioxidant are imported in Double-screw machine, is extruded into
Finished product can be obtained in type.
The modified urea-formaldehyde resin of step a the preparation method comprises the following steps: by urea, formaldehyde and water mix, be added dropwise sodium carbonate adjust pH
Value is to 9, then is placed at 68 DEG C and is stirred to react 23min, and polystyrene, Chloromethyl polystyrene and N, N- dimethyl formyl is added
Amine continues to be stirred to react 18min, adds neopelex, is warming up to 84 DEG C and is stirred to react 0.8h, is filtered, washed
It washs, dry, modified urea-formaldehyde resin can be obtained.
The modification infusorial earth of step b calcines 2h the preparation method comprises the following steps: diatomite is placed at 580 DEG C, then is crushed to 500
Tetradecyltrimethylammonium bromide is added in mesh, is sent into supercritical CO2In reaction kettle, temperature be 48 DEG C, pressure 5MPa
Under, it is passed through carbon dioxide reaction 45min, then successively washed with distilled water, dehydrated alcohol, in 80 DEG C of dry 0.8h, can be obtained
Modification infusorial earth.
The dispersing agent of step b is sodium pyrophosphate, sodium orthophosphate, sodium tartrate and sodium metasilicate 2:1:1:3 in mass ratio mixing
It forms.
The modified glass-fiber of step c the preparation method comprises the following steps: glass fibre to be cut into the staple fiber of 2mm, then with quality
The sodium hydroxide solution that concentration is 30% mixes, and is stirred to react 30min, after filtering sodium hydroxide solution, spends ion-cleaning,
Standing is dried, and modified glass-fiber can be obtained.
The lubricant of step c is that oleamide, methyl-silicone oil and atoleine 1:5:5 in mass ratio are mixed.
The coupling agent of step d is that titanate coupling agent and silane coupling agent 3:1 in mass ratio are mixed.
Embodiment 3
A kind of energy saving and environment friendly insulating materials, the raw material including following parts by weight: 27 parts of industrial scrap rubber, ethene-vinyl acetate
1 part of copolymer 1,14 parts of waste ceramic powder, 10 parts of modified urea-formaldehyde resin, 10 parts of epoxy resin, 9 parts of modification infusorial earth, titanium dioxide 8
Part, 7 parts of zinc oxide, 17 parts of modified glass-fiber, 5 parts of lubricant, 7 parts of dibutyl phthalate, 5 parts of coupling agent, antioxidant 4
Part, 7 parts of magnesium stearate, 11 parts of dehydrated alcohol, 3 parts of dispersing agent and 13 parts of deionized water.
A kind of preparation method of energy saving and environment friendly insulating materials, including following preparation step:
A, industrial scrap rubber, modified urea-formaldehyde resin and epoxy resin are mixed and is imported in mixer, the mixing 1.6h at 175 DEG C,
It is cooled to 110 DEG C again, ethylene-vinyl acetate copolymer and waste ceramic powder is added, reacts 0.8h under mechanical stirring, obtains material
One；
B, modification infusorial earth, titanium dioxide, zinc oxide, magnesium stearate and dehydrated alcohol are mixed, is imported in batch mixer, at 83 DEG C
Under, to be stirred to react 35min under the revolving speed of 400r/min, dehydrated alcohol is filtered out, then be blended into deionized water and dispersing agent, ultrasound
Vibrating dispersion 12min, filters out dehydrated alcohol, obtains material two；
C, material two, modified glass fibre peacekeeping lubricant are imported in ball mill, wet-milling 1.2h obtains material three；
D, material one, material three, dibutyl phthalate, coupling agent and antioxidant are imported in Double-screw machine, is extruded into
Finished product can be obtained in type.
The modified urea-formaldehyde resin of step a the preparation method comprises the following steps: by urea, formaldehyde and water mix, be added dropwise sodium carbonate adjust pH
Value is to 9, then is placed at 68 DEG C and is stirred to react 23min, and polystyrene, Chloromethyl polystyrene and N, N- dimethyl formyl is added
Amine continues to be stirred to react 18min, adds neopelex, is warming up to 84 DEG C and is stirred to react 0.8h, is filtered, washed
It washs, dry, modified urea-formaldehyde resin can be obtained.
The modification infusorial earth of step b calcines 2h the preparation method comprises the following steps: diatomite is placed at 580 DEG C, then is crushed to 500
Tetradecyltrimethylammonium bromide is added in mesh, is sent into supercritical CO2In reaction kettle, temperature be 48 DEG C, pressure 5MPa
Under, it is passed through carbon dioxide reaction 45min, then successively washed with distilled water, dehydrated alcohol, in 80 DEG C of dry 0.8h, can be obtained
Modification infusorial earth.
The dispersing agent of step b is sodium pyrophosphate, sodium orthophosphate, sodium tartrate and sodium metasilicate 2:1:1:3 in mass ratio mixing
It forms.
The modified glass-fiber of step c the preparation method comprises the following steps: glass fibre to be cut into the staple fiber of 2mm, then with quality
The sodium hydroxide solution that concentration is 30% mixes, and is stirred to react 30min, after filtering sodium hydroxide solution, spends ion-cleaning,
Standing is dried, and modified glass-fiber can be obtained.
The lubricant of step c is that oleamide, methyl-silicone oil and atoleine 1:5:5 in mass ratio are mixed.
The coupling agent of step d is that titanate coupling agent and silane coupling agent 3:1 in mass ratio are mixed.
Comparative example 1
Detection comparison is carried out using common insulating materials in the prior art.
The finished product for detecting above embodiments and comparative example preparation, obtains following detection data:
Table one:
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Elasticity modulus (MPa) | 560 | 575 | 575 | 540 |
| Tensile strength (MPa) | 31.9 | 32.2 | 33.4 | 28.1 |
| Elongation at break (%) | 550 | 550 | 560 | 520 |
| Relative dielectric constant | 2.11 | 2.13 | 2.11 | 2.15 |
| Dielectric dissipation factor | 3.4×10-5 | 3.3×10-5 | 3.5×10-5 | 2.8×10-5 |
| Volume resistivity (Ω m) | 4.9×1015 | 4.9×1015 | 5.2×1015 | 4.7×1015 |
By the resulting experimental data of table one, it can be deduced that, the properties of the finished product of preparation method preparation of the invention are significantly excellent
Different from common product in the prior art, and the preferred preparation method in the embodiment of the present invention 3, obtain at moral character
It can be the most excellent.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of energy saving and environment friendly insulating materials, which is characterized in that the raw material including following parts by weight: industrial scrap rubber 25-29
Part, 8-13 parts of ethylene-vinyl acetate copolymer, 12-16 parts of waste ceramic powder, 8-13 parts of modified urea-formaldehyde resin, epoxy resin 9-12
Part, 8-11 parts of modification infusorial earth, 7-10 parts of titanium dioxide, 5-9 parts of zinc oxide, 14-18 parts of modified glass-fiber, lubricant 3-6
Part, 4-8 parts of dibutyl phthalate, 3-6 parts of coupling agent, 3-5 parts of antioxidant, 5-8 parts of magnesium stearate, dehydrated alcohol 8-13
Part, 3-5 parts of dispersing agent and 9-14 parts of deionized water.
2. a kind of energy saving and environment friendly insulating materials according to claim 1, which is characterized in that the insulating materials include with
The raw material of lower parts by weight: industrial scrap rubber 25-28 parts, 8-12 parts of ethylene-vinyl acetate copolymer, 12-15 parts of waste ceramic powder, change
8-11 parts of Lauxite of property, 8-10 parts of modification infusorial earth, 7-9 parts of titanium dioxide, 5-8 parts of zinc oxide, changes 9-11 parts of epoxy resin
15-18 parts of glass fibre of property, 4-6 parts of lubricant, 5-8 parts of dibutyl phthalate, 4-6 parts of coupling agent, 4-5 parts of antioxidant,
6-8 parts of magnesium stearate, 8-12 parts of dehydrated alcohol, 3-4 parts of dispersing agent and 11-14 parts of deionized water.
3. a kind of energy saving and environment friendly insulating materials according to claim 1, which is characterized in that the insulating materials include with
The raw material of lower parts by weight: 27 parts of industrial scrap rubber, 11 parts of ethylene-vinyl acetate copolymer, 14 parts of waste ceramic powder, modified urea-formaldehyde tree
10 parts of rouge, 10 parts of epoxy resin, 9 parts of modification infusorial earth, 8 parts of titanium dioxide, 7 parts of zinc oxide, 17 parts of modified glass-fiber, lubrication
5 parts of agent, 7 parts of dibutyl phthalate, 5 parts of coupling agent, 4 parts of antioxidant, 7 parts of magnesium stearate, 11 parts of dehydrated alcohol, dispersing agent
3 parts and 13 parts of deionized water.
4. a kind of described in any item preparation methods of energy saving and environment friendly insulating materials of claim 1-3, which is characterized in that including
Following preparation step:
A, industrial scrap rubber, modified urea-formaldehyde resin and epoxy resin are mixed and is imported in mixer, the mixing at 160-175 DEG C
1.5-1.6h, then it is cooled to 110-115 DEG C, ethylene-vinyl acetate copolymer and waste ceramic powder is added, reacts under mechanical stirring
0.8-1.2h obtains material one；
B, modification infusorial earth, titanium dioxide, zinc oxide, magnesium stearate and dehydrated alcohol are mixed, is imported in batch mixer, in 80-
At 83 DEG C, to be stirred to react 35-38min under the revolving speed of 400-450r/min, filter out dehydrated alcohol, then be blended into deionized water and
Dispersing agent, sonic oscillation disperse 10-12min, filter out dehydrated alcohol, obtain material two；
C, material two, modified glass fibre peacekeeping lubricant are imported in ball mill, wet-milling 1-1.2h obtains material three；
D, material one, material three, dibutyl phthalate, coupling agent and antioxidant are imported in Double-screw machine, is extruded into
Finished product can be obtained in type.
5. a kind of preparation method of energy saving and environment friendly insulating materials according to claim 4, which is characterized in that the step
The modified urea-formaldehyde resin of a the preparation method comprises the following steps: urea, formaldehyde and water are mixed, sodium carbonate is added dropwise and adjusts pH value to 9, then is placed in
It is stirred to react 23min at 68 DEG C, polystyrene, Chloromethyl polystyrene and n,N-Dimethylformamide is added, it is anti-to continue stirring
18min is answered, neopelex is added, 84 DEG C is warming up to and is stirred to react 0.8h, be filtered, washed, dried, can obtain
To modified urea-formaldehyde resin.
6. a kind of preparation method of energy saving and environment friendly insulating materials according to claim 4, which is characterized in that the step
The modification infusorial earth of b calcines 2h the preparation method comprises the following steps: diatomite is placed at 580 DEG C, then is crushed to 500 meshes, is added ten
Tetraalkyl trimethylammonium bromide is sent into supercritical CO2In reaction kettle, in the case where temperature is 48 DEG C, pressure is 5MPa, it is passed through titanium dioxide
Carbon reacts 45min, then is successively washed with distilled water, dehydrated alcohol, and in 80 DEG C of dry 0.8h, modification infusorial earth can be obtained.
7. a kind of preparation method of energy saving and environment friendly insulating materials according to claim 4, which is characterized in that the step
The dispersing agent of b is that sodium pyrophosphate, sodium orthophosphate, sodium tartrate and sodium metasilicate 2:1:1:3 in mass ratio are mixed.
8. a kind of preparation method of energy saving and environment friendly insulating materials according to claim 4, which is characterized in that the step
The modified glass-fiber of c the preparation method comprises the following steps: glass fibre to be cut into the staple fiber of 2mm, then the hydrogen for being 30% with mass concentration
Sodium hydroxide solution mixing, is stirred to react 30min, after filtering sodium hydroxide solution, spends ion-cleaning, standing is dried
Obtain modified glass-fiber.
9. a kind of preparation method of energy saving and environment friendly insulating materials according to claim 4, which is characterized in that the step
The lubricant of c is that oleamide, methyl-silicone oil and atoleine 1:5:5 in mass ratio are mixed.
10. a kind of preparation method of energy saving and environment friendly insulating materials according to claim 4, which is characterized in that the step
The coupling agent of rapid d is that titanate coupling agent and silane coupling agent 3:1 in mass ratio are mixed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110194650A (en) * | 2019-06-20 | 2019-09-03 | 德化东华陶瓷有限公司 | A kind of shockproof environmentally friendly ceramic of high buffering and preparation method thereof |
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| CN108002827A (en) * | 2017-11-09 | 2018-05-08 | 徐州赛欧电子科技有限公司 | A kind of preparation method of insulated type ceramic heat-dissipating nanocomposite |
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| US20030085225A1 (en) * | 2001-11-08 | 2003-05-08 | Avdo Hodzic | Cut-in box |
| CN106084613A (en) * | 2016-06-20 | 2016-11-09 | 李文军 | A kind of aging-resistant environment-friendlyinsulation insulation material and preparation method thereof |
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| CN110194650A (en) * | 2019-06-20 | 2019-09-03 | 德化东华陶瓷有限公司 | A kind of shockproof environmentally friendly ceramic of high buffering and preparation method thereof |
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Application publication date: 20190118 |