CN109096656A - A kind of high fire-retardance high thermal conductivity PVC composite cable material and preparation method thereof - Google Patents
A kind of high fire-retardance high thermal conductivity PVC composite cable material and preparation method thereof Download PDFInfo
- Publication number
- CN109096656A CN109096656A CN201810986566.4A CN201810986566A CN109096656A CN 109096656 A CN109096656 A CN 109096656A CN 201810986566 A CN201810986566 A CN 201810986566A CN 109096656 A CN109096656 A CN 109096656A
- Authority
- CN
- China
- Prior art keywords
- parts
- thermal conductivity
- modifier
- composite cable
- silane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with aluminium
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- 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
- C08L2205/03—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
-
- 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
Abstract
The present invention is more particularly directed to a kind of high fire-retardance high thermal conductivity PVC composite cable materials and preparation method thereof.High fire-retardance high thermal conductivity PVC composite cable material is prepared by the raw material of following composition by weight: 100 parts of polyvinyl chloride, 31-36 parts of ptfe micropowder, 44-49 parts of perfluoroalkyl alkoxy copolymer, 15-25 parts of ethylene-chlorotrifluoro-ethylene copolymer, compatilizer 30-35 parts compound, 20-30 parts of nano zine oxide, 42-53 parts of heat filling, 10-15 parts of para-aramid fiber and 10-15 parts of modified magnesium hydroxide.The present invention disperses polytetrafluoroethylene (PTFE) in perfluoroalkyl alkoxy copolymer and ethylene-chlorotrifluoro-ethylene copolymer with micronized form, then it is blended with polyvinyl chloride, additional proportion suitable heat filling, fire retardant and aramid fiber simultaneously, therefore the composite cable material stable chemical performance prepared, physical mechanical property, electrical insulation capability and anti-flammability are all very good, and thermal conductivity height and tensile strength are high, and toughness is strong, and production cost is reduced while easy to process.
Description
Technical field
The present invention relates to cable production art, in particular to a kind of high fire-retardance high thermal conductivity PVC composite cable material and its preparation
Method.
Background technique
Wire and cable is conveying electric energy, transmission information and manufactures the equipment such as various motors, electric appliance, instrument, automobile, lathe
The indispensable basic equipment of institute is necessary basic product in electrified, informationized society.2012, China was more than the U.S.
As global first big countries producing electric wires and cables, the industry output value is only second to automobile industry in electrical engineering and electric apparatus industry.As important
Infrastructural industries, wires and cables industry is called " blood vessel " and " nerve " of national economy, occupies in Chinese national economy
Critically important status, bearing is the matched function of all trades and professions pillars of the national economy industry.Wire and cable mainly by conducting wire,
Insulating layer, interstitital texture, shielded layer and sheath composition, insulating layer and sheath include polyvinyl chloride, polytetrafluoroethyl-ne from material
Alkene etc. is a variety of, and pvc material has outstanding mechanical and physical performance, flexibility, chemical reagent-resistant performance, cheap,
And processing performance is excellent, but oil resistant, organic solvent and insulation be not partially hard, and heat-resisting quantity is also difficult to meet demand.And poly- four
Although fluoride material engineering properties is softer, surface can be low, has high and low temperature resistance and corrosion resistance, weatherability, low-friction coefficient, height
The service performances such as lubrication, but fusing point is high, melting flow leveling is poor, leads to poor processability, it is difficult to melting extrusion.
Summary of the invention
The present invention provides a kind of high fire-retardance high thermal conductivity PVC composite cable materials and preparation method thereof, solve the above
The technical issues of.
The technical scheme to solve the above technical problems is that a kind of high fire-retardance high thermal conductivity PVC composite cable material,
It is prepared by the raw material of following composition by weight:
100 parts of polyvinyl chloride, 31-36 parts of ptfe micropowder, 44-49 parts of perfluoroalkyl alkoxy copolymer, ethylene-three
It is 15-25 parts of fluorine vinyl chloride copolymer, compatilizer 30-35 parts compound, 20-30 parts of nano zine oxide, 42-53 parts of heat filling, right
10-15 parts and modified magnesium hydroxide 10-15 parts of position aramid fiber, the modified magnesium hydroxide is prepared by following methods:
Magnesium hydroxide micro mist and deionized water are configured to the slurry that concentration is 35%, are added while stirring at 70 DEG C
Surface modifier simultaneously continues stirring 30 minutes, then stops stirring and be filtered to remove after infiltrating -1 hour 30 minutes at 80 DEG C
Filtrate, filter cake is 3-4 hours dry at 100-120 DEG C, and it is ground into superfine powder, obtain modified magnesium hydroxide；The table
Face modifying agent is the composite modifier of silane modifier, rare-earth coupling agent and chelating type phosphate titanium coupling agent, and wherein rare earth is even
The mass ratio for joining agent, silane modifier and chelating type phosphate titanium coupling agent is 1.5-2:1:1, the use of the surface modifier
Amount is 2%-3%.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the average-size of the ptfe micropowder is 0.05-0.2 microns.
Further, the heat filling is prepared by the raw material of following composition by weight:
25-30 parts of aluminium nitride powder of micron, 20 micrometers alumina powders or 15-20 parts of 30 micrometers alumina powders, nanometer
2-3 parts of silicon nitride crystal whisker,
In the micron aluminium nitride powder, the weight ratio of 2 microns of aluminium nitride powders and 5 microns of aluminium nitride powders is 1-3:
1, the average grain diameter of the nano-silicon nitride whisker is 600nm.
Further, the heat filling preparation method the following steps are included:
After mixing by micron aluminium nitride powder, alumina powder and silicon nitride crystal whisker component by weight, quality is added
Score is in the cyclohexanone solution of the silane coupling agent of 3-4%, ultrasonic disperse 2-3 hours at 68 DEG C, after being filtered to remove filtrate
Drying, is made the heat filling.
Further, the silane coupling agent is gamma-aminopropyl-triethoxy-silane, γ-three second of divinyl triammonium base propyl
Oxysilane or γ-aminopropyltriethoxy diethoxy silane.
Further, the compound compatilizer includes cyclohexyl methacrylate, p-methylstyrene and vinyl butyrate
Mixture, wherein the mass ratio of the cyclohexyl methacrylate, the p-methylstyrene and the vinyl butyrate is
0.8-2.6:1.2-3.5:2-2.5。
Further, the para-aramid fiber first uses mixed modifier to carry out surface and is modified, and the mixed modifier is
Gamma-aminopropyl-triethoxy-silane and γ-aminopropyltriethoxy mixed solution, the matter of the gamma-aminopropyl-triethoxy-silane
Measuring concentration is 8%, and the mass concentration of the γ-aminopropyltriethoxy is 20%.
Further, the surface modification technology of the para-aramid fiber specifically: the para-aramid fiber is placed in institute
State in mixed modifier, it is sonicated at 30 DEG C after after 2-3 minute, continue to impregnate 1-2 hours at 30 DEG C -40 DEG C, so
Heat treatment activation 1-2 hours after drying afterwards.
In order to solve the technical problem, the high fire-retardance high thermal conductivity PVC compound electric is prepared the present invention also provides a kind of
The method of cable material, comprising the following steps:
Step 1, magnesium hydroxide micro mist and deionized water are configured to the slurry that concentration is 35%, in 70 DEG C of following stirrings
Side is added surface modifier and continues stirring 30 minutes, then stops mistake after stirring and infiltrating -1 hour 30 minutes at 80 DEG C
Filtrate is filtered out, filter cake is 3-4 hours dry at 100-120 DEG C, and it is ground into superfine powder, obtain modified magnesium hydroxide；
The surface modifier is the composite modifier of silane modifier, rare-earth coupling agent and chelating type phosphate titanium coupling agent, wherein
The mass ratio of rare-earth coupling agent, silane modifier and chelating type phosphate titanium coupling agent is 1.5-2:1:1, and the surface is modified
The dosage of agent is 2%-3%；
Step 2, by described ptfe micropowder 31-36 parts, it is perfluoroalkyl alkoxy copolymer 44-49 parts and described described
15-25 parts of ethylene-chlorotrifluoro-ethylene copolymer mix 20-30 minutes through high speed muller, obtain the first mixture；
Step 3,100 parts of polyvinyl chloride, 20-30 parts of nano zine oxide, 42-53 parts of heat filling, para-aramid fiber are taken
In 10-15 parts and the modified magnesium hydroxide 10-15 parts of investment high-speed mixers, the mixed at high speed 20- at 90-120 DEG C
30min, while additional ultrasonic oscillation, obtain the second mixture；
Step 4, by first mixture, the second mixture and compound compatilizer 30-35 parts of investments double screw extruder
Hopper in, and the melt blending in double screw extruder is sorted through extruding pelletization, cooling and vibrating screen, be can be prepared by described
High fire-retardance high thermal conductivity PVC composite cable material.
Further, the preparation method of the heat filling is the following steps are included: by 25-30 parts of micron aluminium nitride powder, 20
After mixing, matter is added in micrometers alumina powder or 15-20 parts of 30 micrometers alumina powders, 2-3 parts of nano-silicon nitride whisker
In the cyclohexanone solution for measuring the silane coupling agent that score is 3-4%, ultrasonic disperse 2-3 hours at 68 DEG C, it is filtered to remove filtrate
After dry, be made the heat filling, in the micron aluminium nitride powder, 2 microns of aluminium nitride powders and 5 microns of aluminum nitride powders
The weight ratio at end is 1-3:1, and the average grain diameter of the nano-silicon nitride whisker is 600nm；
The para-aramid fiber carries out surface using mixed modifier and is modified, what surface was modified specifically comprises the processes of: by institute
Para-aramid fiber is stated to be placed in the mixed modifier, at 30 DEG C it is sonicated after after 2-3 minute, continuation 30 DEG C-
It is impregnated at 40 DEG C 1-2 hours, heat treatment activation 1-2 hours after then drying, the mixed modifier is three second of γ-aminopropyl
Oxysilane and γ-aminopropyltriethoxy mixed solution, the mass concentration of the gamma-aminopropyl-triethoxy-silane are 8%,
The mass concentration of the γ-aminopropyltriethoxy is 20%.
The present invention include it is following the utility model has the advantages that
(1) perfluoroalkyl alkoxy copolymer (PFA) is made of a PTFE main chain and multiple perfluoroalkoxy base side chains, is a kind of
The polymer haveing excellent performance, it is resistant to chemical etching, ageing-resistant, have good dielectric properties, heat-resisting, weatherability is good, and
Moisture is hardly picked up, it not only has the over-all properties of polytetrafluoroethylene (PTFE) (PTFE), and can use processing thermoplastic plastics
Method machine-shaping.And ethylene-chlorotrifluoro-ethylene copolymer (ECTFE) is the alternate copolymer of ethylene and chlorotrifluoroethylene,
Its intensity, wearability, creep resistance are much higher than polytetrafluoroethylene (PTFE), perfluoroalkyl alkoxy copolymer etc., while having very low
Dielectric constant and while being placed on flame will not melt or drip, has preferable anti-flammability.Composite cable material of the invention will gather
Tetrafluoroethene is scattered in perfluoroalkyl alkoxy copolymer and ethylene-chlorotrifluoro-ethylene copolymer with micronized form, then with polychlorostyrene
Ethylene is blended, while heat filling, fire retardant and the aramid fiber that additional proportion is suitable, therefore the compound electric prepared
Cable material stable chemical performance, physical mechanical property, electrical insulation capability and anti-flammability are all very good, and thermal conductivity height and anti-
Tensile strength is high, and toughness is strong, and production cost is reduced while easy to process, be able to satisfy cables manufacturing industry especially Aviation cable,
The demand of the special cables such as deep-well cable.
(2) composite cable material of the invention has carried out the surface modification technology of ultra-fine inorganic fireproof powder magnesium hydroxide excellent
To change, prepared modification sodium hydroxide can substantially improve its compatibility and processing fluidity with organic polymer, thus
It contacts it with polymeric substrate and more preferably further improves the mechanical performance and flame retardant property of composite cable material.
(3) present invention employs compound compatilizers, and optimize to the component of compound compatilizer, improve poly-
Tetrafluoroethene is to the dispersibility of polyvinyl chloride, while polyvinyl chloride and polytetrafluoroethylene (PTFE), perfluoroalkyl alkoxy copolymer and second
Alkene-chlorotrifluoroethylene intermiscibility is more preferable, to further improve the performance of the composite cable material.
(4) heat filling of the present invention has selected alumina powder, aluminium nitride powder and silicon nitride crystal whisker, aluminium nitride powder
Room temperature intensity is high, thermal conductivity is good, and thermal expansion coefficient is small, is good heat shock resistance material, while mechanical performance, electricity are absolutely
Edge, dielectric properties are very good, and flexural capacity is strong.And silicon nitride crystal whisker is a kind of superhard substance, itself has lubricity,
And it is wear-resistant, cooling thermal impact can be resisted, alumina powder has preferable thermal conductivity advantage of lower cost simultaneously.The present invention
Aluminium nitride powder, alumina powder and the silicon nitride crystal whisker of selection different-grain diameter are mixed, and are carried out to its mix ratio excellent
Change design, the heating conduction of prepared composite cable material not only greatly improved, but also reduce production cost.
(5) present invention employs the para-aramid fibers in aramid fiber, and the physics of composite cable material not only can be improved
Mechanical property, and the wear resistance of CABLE MATERIALS can be improved.It is modified, is improved by carrying out surface to aramid fiber simultaneously
The surface-active of aramid fiber makes aramid fiber not so that improving Interface adhesive strength between aramid fiber and blend matrix
It is easily detached from from blend matrix, reduces the generation of composite cable material fatigue crack and peeling, reduce composite cable material
Abrasion.
The advantages of additional aspect of the invention, will be set forth in part in the description, partially will from the following description
Become obvious, or practice is recognized through the invention.
Specific embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment 1
100 parts of polyvinyl chloride, 36 parts of ptfe micropowder, 49 parts of perfluoroalkyl alkoxy copolymer, ethylene-trifluoro chloroethene
15 parts of alkene copolymer, 30 parts of compound compatilizer, 20 parts of nano zine oxide, 42 parts of heat filling, 10 parts of para-aramid fiber and change
15 parts of magnesium hydroxide of property,
The mass ratio of cyclohexyl methacrylate, p-methylstyrene and vinyl butyrate is in the compound compatilizer
0.8:1.2:2；
The heat filling is prepared by the raw material of following composition by weight:
Micron 25 parts of aluminium nitride powder, 15 parts of 20 micrometers alumina powder alumina powder, 2 parts of nano-silicon nitride whisker,
In the micron aluminium nitride powder, the weight ratio of 2 microns of aluminium nitride powders and 5 microns of aluminium nitride powders is 1:1,
The average grain diameter of the nano-silicon nitride whisker is 600nm.
In above-described embodiment, prepare the high fire-retardance high thermal conductivity PVC composite cable material the specific process is as follows:
Step 1, magnesium hydroxide micro mist and deionized water are configured to the slurry that concentration is 35%, in 70 DEG C of following stirrings
Side is added surface modifier and continues stirring 30 minutes, then stops stirring and is filtered to remove filter after infiltrating 1 hour at 80 DEG C
Liquid, filter cake is 4 hours dry at 100 DEG C, and it is ground into superfine powder, obtain modified magnesium hydroxide；The surface modifier
For silane modifier, the composite modifier of rare-earth coupling agent and chelating type phosphate titanium coupling agent, wherein rare-earth coupling agent, silicon
The mass ratio of alkane modifying agent and chelating type phosphate titanium coupling agent is 1.5:1:1, and the dosage of the surface modifier is 2%；
Step 2, micron aluminium nitride powder, micrometers alumina powder and silicon nitride crystal whisker component by weight are uniformly mixed
Afterwards, it is added in the cyclohexanone solution for the silane coupling agent that mass fraction is 3%, ultrasonic disperse 3 hours at 68 DEG C are crossed and filtered out
It is dried after going filtrate, the heat filling is made, the silane coupling agent is gamma-aminopropyl-triethoxy-silane；
Step 3, by the ptfe micropowder, the perfluoroalkyl alkoxy copolymer and the ethylene-chlorotrifluoroethylene
Copolymer mixes 20 minutes through high speed muller, obtains the first mixture；
Step 4, polyvinyl chloride, nano zine oxide, heat filling, para-aramid fiber and the modified magnesium hydroxide are taken
It puts into high-speed mixer, the mixed at high speed 30min at 90 DEG C, while additional ultrasonic oscillation, obtains the second mixture；
Step 5, by the hopper of first mixture, the second mixture and compound compatilizer investment double screw extruder
It is interior, and the melt blending in double screw extruder, it is sorted through extruding pelletization, cooling and vibrating screen, can be prepared by the high fire-retardance
High thermal conductivity PVC composite cable material.
Embodiment 2
100 parts of polyvinyl chloride, 31 parts of ptfe micropowder, 44 parts of perfluoroalkyl alkoxy copolymer, ethylene-trifluoro chloroethene
25 parts of alkene copolymer, 35 parts of compound compatilizer, 30 parts of nano zine oxide, 53 parts of heat filling, 15 parts of para-aramid fiber and change
10 parts of magnesium hydroxide of property,
The mass ratio of cyclohexyl methacrylate, p-methylstyrene and vinyl butyrate is in the compound compatilizer
2.6:3.5:2.5；
The heat filling is prepared by the raw material of following composition by weight:
Micron 30 parts of aluminium nitride powder, 20 parts of 20 micrometers alumina powder alumina powder, 3 parts of nano-silicon nitride whisker,
In the micron aluminium nitride powder, the weight ratio of 2 microns of aluminium nitride powders and 5 microns of aluminium nitride powders is 3:1,
The average grain diameter of the nano-silicon nitride whisker is 600nm.
In above-described embodiment, prepare the high fire-retardance high thermal conductivity PVC composite cable material the specific process is as follows:
Step 1, magnesium hydroxide micro mist and deionized water are configured to the slurry that concentration is 35%, in 70 DEG C of following stirrings
Side is added surface modifier and continues stirring 30 minutes, then stops stirring and be filtered to remove after infiltrating 30 minutes at 80 DEG C
Filtrate, filter cake is 3 hours dry at 120 DEG C, and it is ground into superfine powder；The surface modifier is silane modifier, dilute
The composite modifier of native coupling agent and chelating type phosphate titanium coupling agent, wherein rare-earth coupling agent, silane modifier and chelating type
The mass ratio of phosphate titanium coupling agent is 2:1:1, and the dosage of the surface modifier is 3%；
Step 2, micron aluminium nitride powder, micrometers alumina powder and silicon nitride crystal whisker component by weight are uniformly mixed
Afterwards, it is added in the cyclohexanone solution for the silane coupling agent that mass fraction is 4%, ultrasonic disperse 2 hours at 68 DEG C are crossed and filtered out
It is dried after going filtrate, the heat filling is made, the silane coupling agent is γ-divinyl triammonium base propyl-triethoxysilicane
Alkane；
Step 3, by the ptfe micropowder, the perfluoroalkyl alkoxy copolymer and the ethylene-chlorotrifluoroethylene
Copolymer mixes 30 minutes through high speed muller, obtains the first mixture；
Step 4, polyvinyl chloride, nano zine oxide, heat filling, para-aramid fiber and the modified magnesium hydroxide are taken
It puts into high-speed mixer, the mixed at high speed 20min at 120 DEG C, while additional ultrasonic oscillation, obtains the second mixture；
Step 5, by the hopper of first mixture, the second mixture and compound compatilizer investment double screw extruder
It is interior, and the melt blending in double screw extruder, it is sorted through extruding pelletization, cooling and vibrating screen, can be prepared by the high fire-retardance
High thermal conductivity PVC composite cable material.
Embodiment 3
100 parts of polyvinyl chloride, 33 parts of ptfe micropowder, 45 parts of perfluoroalkyl alkoxy copolymer, ethylene-trifluoro chloroethene
22 parts of alkene copolymer, 32 parts of compound compatilizer, 25 parts of nano zine oxide, 47 parts of heat filling, 12 parts of para-aramid fiber and change
13 parts of magnesium hydroxide of property,
The mass ratio of cyclohexyl methacrylate, p-methylstyrene and vinyl butyrate is in the compound compatilizer
1.5:2.6:2.1；
The heat filling is prepared by the raw material of following composition by weight:
Micron 28 parts of aluminium nitride powder, 17 parts of 20 micrometers alumina powder alumina powder, 2 parts of nano-silicon nitride whisker,
In the micron aluminium nitride powder, the weight ratio of 2 microns of aluminium nitride powders and 5 microns of aluminium nitride powders is 2:1,
The average grain diameter of the nano-silicon nitride whisker is 600nm.
In above-described embodiment, prepare the high fire-retardance high thermal conductivity PVC composite cable material the specific process is as follows:
Step 1, magnesium hydroxide micro mist and deionized water are configured to the slurry that concentration is 35%, in 70 DEG C of following stirrings
Side is added surface modifier and continues stirring 30 minutes, then stops stirring and is filtered to remove filter after infiltrating 45min at 80 DEG C
Liquid, filter cake is 3 hours dry at 110 DEG C, and it is ground into superfine powder；The surface modifier is silane modifier, rare earth
The composite modifier of coupling agent and chelating type phosphate titanium coupling agent, wherein rare-earth coupling agent, silane modifier and chelating type phosphorus
The mass ratio of acid esters titanium coupling agent is 1.8:1:1, and the dosage of the surface modifier is 2.6%；
Step 2, micron aluminium nitride powder, micrometers alumina powder and silicon nitride crystal whisker component by weight are uniformly mixed
Afterwards, it is added in the cyclohexanone solution for the silane coupling agent that mass fraction is 3.5%, ultrasonic disperse 3 hours at 68 DEG C, filtering
It is dried after removing filtrate, the heat filling is made, the silane coupling agent is γ-aminopropyltriethoxy diethoxy silane；
Step 3, by the ptfe micropowder, the perfluoroalkyl alkoxy copolymer and the ethylene-chlorotrifluoroethylene
Copolymer mixes 30 minutes through high speed muller, obtains the first mixture；
Step 4, polyvinyl chloride, nano zine oxide, heat filling, para-aramid fiber and the modified magnesium hydroxide are taken
It puts into high-speed mixer, the mixed at high speed 20min at 110 DEG C, while additional ultrasonic oscillation, obtains the second mixture；
Step 5, by the hopper of first mixture, the second mixture and compound compatilizer investment double screw extruder
It is interior, and the melt blending in double screw extruder, it is sorted through extruding pelletization, cooling and vibrating screen, can be prepared by the high fire-retardance
High thermal conductivity PVC composite cable material.
Embodiment 4
100 parts of polyvinyl chloride, 32 parts of ptfe micropowder, 47 parts of perfluoroalkyl alkoxy copolymer, ethylene-trifluoro chloroethene
21 parts of alkene copolymer, 33 parts of compound compatilizer, 23 parts of nano zine oxide, 48 parts of heat filling, modified 14 parts of para-aramid fiber
With 12 parts of modified magnesium hydroxide,
The mass ratio of cyclohexyl methacrylate, p-methylstyrene and vinyl butyrate is in the compound compatilizer
1.8:2.4:2.2；
The heat filling is prepared by the raw material of following composition by weight:
Micron 28 parts of aluminium nitride powder, 17 parts of 20 micrometers alumina powder alumina powder, 3 parts of nano-silicon nitride whisker,
In the micron aluminium nitride powder, the weight ratio of 2 microns of aluminium nitride powders and 5 microns of aluminium nitride powders is 2.5:
1, the average grain diameter of the nano-silicon nitride whisker is 600nm.
In above-described embodiment, prepare the high fire-retardance high thermal conductivity PVC composite cable material the specific process is as follows:
Step 1, magnesium hydroxide micro mist and deionized water are configured to the slurry that concentration is 35%, in 70 DEG C of following stirrings
Side is added surface modifier and continues stirring 30 minutes, then stops stirring and is filtered to remove filter after infiltrating 1 hour at 80 DEG C
Liquid, filter cake is 3.5 hours dry at 105 DEG C, and it is ground into superfine powder；The surface modifier is silane modifier, dilute
The composite modifier of native coupling agent and chelating type phosphate titanium coupling agent, wherein rare-earth coupling agent, silane modifier and chelating type
The mass ratio of phosphate titanium coupling agent is 1.7:1:1, and the dosage of the surface modifier is 2%；
Step 2, surface is carried out to para-aramid fiber using mixed modifier to be modified, what surface was modified specifically comprises the processes of:
The para-aramid fiber is placed in the mixed modifier, at 30 DEG C it is sonicated after after 3 minutes, continue 40
It is impregnated at DEG C 2 hours, heat treatment activation 2 hours after then drying, the mixed modifier is gamma-aminopropyl-triethoxy silicon
Alkane and γ-aminopropyltriethoxy mixed solution, the mass concentration of the gamma-aminopropyl-triethoxy-silane are 8%, the γ-
The mass concentration of aminopropyltriethoxy is 20%；
Step 3, micron aluminium nitride powder, micrometers alumina powder and silicon nitride crystal whisker component by weight are uniformly mixed
Afterwards, it is added in the cyclohexanone solution for the silane coupling agent that mass fraction is 3%, ultrasonic disperse 3 hours at 68 DEG C are crossed and filtered out
It is dried after going filtrate, the heat filling is made, the silane coupling agent is γ-aminopropyltriethoxy diethoxy silane；
Step 4, by the ptfe micropowder, the perfluoroalkyl alkoxy copolymer and the ethylene-chlorotrifluoroethylene
Copolymer mixes 25 minutes through high speed muller, obtains the first mixture；
Step 5, polyvinyl chloride, nano zine oxide, heat filling, modified para-aramid fiber and the modified hydrogen-oxygen are taken
Change in magnesium investment high-speed mixer, the mixed at high speed 30min at 110 DEG C, while additional ultrasonic oscillation, obtains the second mixing
Material；
Step 6, by the hopper of first mixture, the second mixture and compound compatilizer investment double screw extruder
It is interior, and the melt blending in double screw extruder, it is sorted through extruding pelletization, cooling and vibrating screen, can be prepared by the high fire-retardance
High thermal conductivity PVC composite cable material.
Embodiment 5
100 parts of polyvinyl chloride, 35 parts of ptfe micropowder, 45 parts of perfluoroalkyl alkoxy copolymer, ethylene-trifluoro chloroethene
20 parts of alkene copolymer, 30 parts of compound compatilizer, 20 parts of nano zine oxide, 42 parts of heat filling, modified 10 parts of para-aramid fiber
With 10 parts of modified magnesium hydroxide,
The mass ratio of cyclohexyl methacrylate, p-methylstyrene and vinyl butyrate is in the compound compatilizer
1:3:2.5；
The heat filling is prepared by the raw material of following composition by weight:
Micron 25 parts of aluminium nitride powder, 20 parts of 20 micrometers alumina powder alumina powder, 2 parts of nano-silicon nitride whisker,
In the micron aluminium nitride powder, the weight ratio of 2 microns of aluminium nitride powders and 5 microns of aluminium nitride powders is 1.5:
1, the average grain diameter of the nano-silicon nitride whisker is 600nm.
In above-described embodiment, prepare the high fire-retardance high thermal conductivity PVC composite cable material the specific process is as follows:
Step 1, magnesium hydroxide micro mist and deionized water are configured to the slurry that concentration is 35%, in 70 DEG C of following stirrings
Side is added surface modifier and continues stirring 30 minutes, then stops stirring and is filtered to remove filter after infiltrating 1 hour at 80 DEG C
Liquid, filter cake is 4 hours dry at 100 DEG C, and it is ground into superfine powder；The surface modifier is silane modifier, rare earth
The composite modifier of coupling agent and chelating type phosphate titanium coupling agent, wherein rare-earth coupling agent, silane modifier and chelating type phosphorus
The mass ratio of acid esters titanium coupling agent is 1.5:1:1, and the dosage of the surface modifier is 2%；
Step 2, surface is carried out to para-aramid fiber using mixed modifier to be modified, what surface was modified specifically comprises the processes of:
The para-aramid fiber is placed in the mixed modifier, at 30 DEG C it is sonicated after after 2 minutes, continue 30
DEG C DEG C at impregnate 1 hour, heat treatment activation 1 hour after then drying, the mixed modifier is gamma-aminopropyl-triethoxy
Silane and γ-aminopropyltriethoxy mixed solution, the mass concentration of the gamma-aminopropyl-triethoxy-silane is 8%, described
γ-aminopropyltriethoxy mass concentration is 20%；
Step 3, micron aluminium nitride powder, micrometers alumina powder and silicon nitride crystal whisker component by weight are uniformly mixed
Afterwards, it is added in the cyclohexanone solution for the silane coupling agent that mass fraction is 3%, ultrasonic disperse 3 hours at 68 DEG C are crossed and filtered out
It is dried after going filtrate, the heat filling is made, the silane coupling agent is γ-aminopropyltriethoxy diethoxy silane；
Step 4, by the ptfe micropowder, the perfluoroalkyl alkoxy copolymer and the ethylene-chlorotrifluoroethylene
Copolymer mixes 20 minutes through high speed muller, obtains the first mixture；
Step 5, polyvinyl chloride, nano zine oxide, heat filling, modified para-aramid fiber and the modified hydrogen-oxygen are taken
Change in magnesium investment high-speed mixer, the mixed at high speed 30min at 90 DEG C, while additional ultrasonic oscillation, obtains the second mixing
Material；
Step 6, by the hopper of first mixture, the second mixture and compound compatilizer investment double screw extruder
It is interior, and the melt blending in double screw extruder, it is sorted through extruding pelletization, cooling and vibrating screen, can be prepared by the high fire-retardance
High thermal conductivity PVC composite cable material.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any ripe
It knows those skilled in the art in the technical scope disclosed by the present invention, various equivalent modifications can be readily occurred in or replaces
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention Ying Yiquan
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of high fire-retardance high thermal conductivity PVC composite cable material, which is characterized in that it be by following composition by weight raw material preparation and
At:
100 parts of polyvinyl chloride, 31-36 parts of ptfe micropowder, 44-49 parts of perfluoroalkyl alkoxy copolymer, ethylene-trifluoro chloroethene
15-25 parts of alkene copolymer, compatilizer 30-35 parts compound, 20-30 parts of nano zine oxide, 42-53 parts of heat filling, p-aramid fiber
10-15 parts and modified magnesium hydroxide 10-15 parts of fiber, the modified magnesium hydroxide is prepared by following methods:
Magnesium hydroxide micro mist and deionized water are configured to the slurry that concentration is 35%, surface is added while stirring at 70 DEG C and changes
Property agent and continue stirring 30 minutes, then stop stirring and be filtered to remove filtrate after infiltrate -1 hour 30 minutes at 80 DEG C, general
Filter cake is 3-4 hours dry at 100-120 DEG C, and is ground into superfine powder, obtains modified magnesium hydroxide；The surface modifier
For silane modifier, the composite modifier of rare-earth coupling agent and chelating type phosphate titanium coupling agent, wherein rare-earth coupling agent, silane
The mass ratio of modifying agent and chelating type phosphate titanium coupling agent is 1.5-2:1:1, and the dosage of the surface modifier is 2%-
3%.
2. high fire-retardance high thermal conductivity PVC composite cable material according to claim 1, which is characterized in that the polytetrafluoroethylene (PTFE)
The average-size of micro mist is 0.05-0.2 microns.
3. high fire-retardance high thermal conductivity PVC composite cable material according to claim 1, which is characterized in that the heat filling by
The raw material of following composition by weight is prepared:
25-30 parts of aluminium nitride powder of micron, 20 micrometers alumina powders or 15-20 parts of 30 micrometers alumina powders, nano silicon nitride
Silicon wafer must be 2-3 parts；
In the micron aluminium nitride powder, the weight ratio of 2 microns of aluminium nitride powders and 5 microns of aluminium nitride powders is 1-3:1, described
The average grain diameter of nano-silicon nitride whisker is 600nm.
4. high fire-retardance high thermal conductivity PVC composite cable material according to claim 3, which is characterized in that the heat filling
Preparation method the following steps are included:
After mixing by micron aluminium nitride powder, alumina powder and silicon nitride crystal whisker component by weight, mass fraction is added
In cyclohexanone solution for the silane coupling agent of 3-4%, ultrasonic disperse 2-3 hours at 68 DEG C, dried after being filtered to remove filtrate,
The heat filling is made.
5. high fire-retardance high thermal conductivity PVC composite cable material according to claim 4, which is characterized in that the silane coupling agent
For gamma-aminopropyl-triethoxy-silane, γ-divinyl triammonium base propyl-triethoxysilicane or γ-aminopropyltriethoxy diethoxy
Base silane.
6. -5 any high fire-retardance high thermal conductivity PVC composite cable material according to claim 1, which is characterized in that described compound
Compatilizer includes the mixture of cyclohexyl methacrylate, p-methylstyrene and vinyl butyrate, wherein the metering system
The mass ratio of sour cyclohexyl, the p-methylstyrene and the vinyl butyrate is 0.8-2.6:1.2-3.5:2-2.5.
7. high fire-retardance high thermal conductivity PVC composite cable material according to claim 6, which is characterized in that the p-aramid fiber is fine
Dimension first carries out surface using mixed modifier and is modified, and the mixed modifier is gamma-aminopropyl-triethoxy-silane and γ-ammonia third
The mixed solution of ylmethyl, the mass concentration of the gamma-aminopropyl-triethoxy-silane are 8%, the γ-aminopropyltriethoxy
Mass concentration is 20%.
8. high fire-retardance high thermal conductivity PVC composite cable material according to claim 7, which is characterized in that the p-aramid fiber is fine
The surface modification technology of dimension specifically: the para-aramid fiber is placed in the mixed modifier, through ultrasound at 30 DEG C
After processing after 2-3 minutes, continuation is impregnated 1-2 hours at 30 DEG C -40 DEG C, heat treatment activation 1-2 hours after then drying.
9. a kind of method for preparing any high fire-retardance high thermal conductivity PVC composite cable material of claim 1-8, which is characterized in that
The following steps are included:
Step 1, magnesium hydroxide micro mist and deionized water are configured to the slurry that concentration is 35%, are added while stirring at 70 DEG C
Surface modifier simultaneously continues stirring 30 minutes, then stops stirring and is filtered to remove filter after infiltrating -1 hour 30 minutes at 80 DEG C
Liquid, filter cake is 3-4 hours dry at 100-120 DEG C, and it is ground into superfine powder, obtain modified magnesium hydroxide；The surface
Modifying agent is the composite modifier of silane modifier, rare-earth coupling agent and chelating type phosphate titanium coupling agent, and wherein rare earth is coupled
The mass ratio of agent, silane modifier and chelating type phosphate titanium coupling agent is 1.5-2:1:1, and the dosage of the surface modifier is
2%-3%；
Step 2, by described ptfe micropowder 31-36 parts, perfluoroalkyl alkoxy copolymer 44-49 parts and the ethylene-
15-25 parts of chlorotrifluoroethylene mix 20-30 minutes through high speed muller, obtain the first mixture；
Step 3,100 parts of polyvinyl chloride, 20-30 parts of nano zine oxide, 42-53 parts of heat filling, para-aramid fiber 10-15 are taken
In part and the modified magnesium hydroxide 10-15 parts of investment high-speed mixers, the mixed at high speed 20-30min at 90-120 DEG C, simultaneously
Additional ultrasonic oscillation obtains the second mixture；
Step 4, by first mixture, the material of the second mixture and compound compatilizer 30-35 parts of investments double screw extruder
In bucket, and the melt blending in double screw extruder, it is sorted through extruding pelletization, cooling and vibrating screen, can be prepared by the high resistant
Fire high thermal conductivity PVC composite cable material.
10. the method for preparation high fire-retardance high thermal conductivity PVC composite cable material according to claim 9, which is characterized in that described
The preparation method of heat filling is the following steps are included: micro- by 25-30 parts of micron aluminium nitride powder, 20 micrometers alumina powders or 30
After mixing, it is even that the silane that mass fraction is 3-4% is added in 15-20 parts of alumina powder of rice, 2-3 parts of nano-silicon nitride whisker
It in the cyclohexanone solution for joining agent, ultrasonic disperse 2-3 hours at 68 DEG C, is dried after being filtered to remove filtrate, is made described and thermally conductive fills out
Expect, in the micron aluminium nitride powder, the weight ratio of 2 microns of aluminium nitride powders and 5 microns of aluminium nitride powders is 1-3:1, described
The average grain diameter of nano-silicon nitride whisker is 600nm；
The para-aramid fiber carries out surface using mixed modifier and is modified, what surface was modified specifically comprises the processes of: will be described right
Position aramid fiber be placed in the mixed modifier, at 30 DEG C it is sonicated after after 2-3 minute, continuation at 30 DEG C -40 DEG C
Lower immersion 1-2 hours, heat treatment activation 1-2 hours after then drying, the mixed modifier is gamma-aminopropyl-triethoxy silicon
Alkane and γ-aminopropyltriethoxy mixed solution, the mass concentration of the gamma-aminopropyl-triethoxy-silane are 8%, the γ-
The mass concentration of aminopropyltriethoxy is 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986566.4A CN109096656A (en) | 2018-08-28 | 2018-08-28 | A kind of high fire-retardance high thermal conductivity PVC composite cable material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986566.4A CN109096656A (en) | 2018-08-28 | 2018-08-28 | A kind of high fire-retardance high thermal conductivity PVC composite cable material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109096656A true CN109096656A (en) | 2018-12-28 |
Family
ID=64851490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986566.4A Pending CN109096656A (en) | 2018-08-28 | 2018-08-28 | A kind of high fire-retardance high thermal conductivity PVC composite cable material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109096656A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126125A (en) * | 2020-09-25 | 2020-12-25 | 李世兵 | Preparation method of composite plastic flame retardant |
| CN115651410A (en) * | 2022-09-08 | 2023-01-31 | 东莞市佳迪新材料有限公司 | Fluorine-containing plastic heat-conducting gasket and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104774401A (en) * | 2015-04-01 | 2015-07-15 | 苏州欢颜电气有限公司 | Environment-friendly flame-retardant filler for cable and preparation method thereof |
| CN106519510A (en) * | 2016-11-24 | 2017-03-22 | 安徽意力电缆有限公司 | Formula of insulating and heat-conducting PVC (polyvinyl chloride) cable material |
| CN107254128A (en) * | 2017-08-02 | 2017-10-17 | 合肥安力电力工程有限公司 | A kind of fire protection flame retarding fluoroplastic cable material and preparation method thereof |
-
2018
- 2018-08-28 CN CN201810986566.4A patent/CN109096656A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104774401A (en) * | 2015-04-01 | 2015-07-15 | 苏州欢颜电气有限公司 | Environment-friendly flame-retardant filler for cable and preparation method thereof |
| CN106519510A (en) * | 2016-11-24 | 2017-03-22 | 安徽意力电缆有限公司 | Formula of insulating and heat-conducting PVC (polyvinyl chloride) cable material |
| CN107254128A (en) * | 2017-08-02 | 2017-10-17 | 合肥安力电力工程有限公司 | A kind of fire protection flame retarding fluoroplastic cable material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《化工百科全书》编辑委员会: "《化工百科全书 第9卷 聚合机理和方法-空间化学》", 30 June 1995 * |
| 周卫平等: "稀土复合偶联剂对氢氧化镁的表面改性研究", 《无机盐工业》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126125A (en) * | 2020-09-25 | 2020-12-25 | 李世兵 | Preparation method of composite plastic flame retardant |
| CN112126125B (en) * | 2020-09-25 | 2022-04-26 | 广东金榜新材料有限公司 | Preparation method of composite plastic flame retardant |
| CN115651410A (en) * | 2022-09-08 | 2023-01-31 | 东莞市佳迪新材料有限公司 | Fluorine-containing plastic heat-conducting gasket and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101121816B (en) | Anti-flaming polycarbonate/acrylonitrile-butadiene-styrene resin mixing material and preparation method thereof | |
| CN111057379B (en) | High-thermal-conductivity insulating silicone rubber composite material containing carbon fibers and preparation method thereof | |
| CN109096656A (en) | A kind of high fire-retardance high thermal conductivity PVC composite cable material and preparation method thereof | |
| CN108410066B (en) | SiO (silicon dioxide)2Preparation method of nano particle modified expandable graphite and flame-retardant polypropylene | |
| CN105924952A (en) | Heat conductive and insulating composite material for LED and preparation method thereof | |
| CN102532897A (en) | Electric-insulating heat-conducting polyphenyl thioether composite material and preparation method thereof | |
| CN107090129B (en) | Mesophase pitch-based graphite fiber/polypropylene composite material and preparation method thereof | |
| CN110922716B (en) | Polyether-ether-ketone composite material and preparation method thereof | |
| CN108250699B (en) | High-thermal-conductivity insulating polybutylene terephthalate alloy and preparation method thereof | |
| CN107365480A (en) | NMT materials of high heat-resisting low-k and preparation method thereof | |
| CN104592710B (en) | A kind of heat-proof combustion-resistant inhales ripple insulant and preparation method thereof | |
| CN107226955A (en) | A kind of wear-resisting polypropene material being modified with modified Teflon and preparation method thereof | |
| CN107641135A (en) | Organic silane compound, filler, resin combination and copper-clad plate | |
| CN111925762B (en) | Epoxy resin adhesive and application thereof | |
| CN114015229A (en) | Nylon flame-retardant heat-conducting composite material and preparation method thereof | |
| CN110483970A (en) | A kind of high-intensitive modified PC material | |
| CN113667309A (en) | Organic-inorganic hybrid crosslinked heat-conducting silica gel and preparation method thereof | |
| CN106854370B (en) | A kind of supermolecule flame-proof silicon rubber and preparation method thereof | |
| CN116285318B (en) | Light heat conduction engineering plastic and preparation method thereof | |
| CN109627762A (en) | A kind of non-dusting brush nanometer conductive powder and preparation method thereof | |
| CN105315669A (en) | Conductive silicone resin composition and gasket for electromagnetic wave shielding manufactured from same | |
| CN104387771A (en) | Two-component conductive polysulfide sealant and preparation method thereof | |
| CN1990551A (en) | Preparation method of flame-proof nylon and ABS alloy material | |
| CN110079084A (en) | Nylon composite materials and preparation method thereof | |
| CN109233287A (en) | A kind of heat-conducting type electrically insulating silicone rubber gasket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 325603 Wenzhou Bridge Industrial Park, Beibeixiang Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant after: New Asia Electronics Co., Ltd. Address before: 325603 Wenzhou Bridge Industrial Park, Beibeixiang Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant before: Xinya Electronics Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181228 |
|
| RJ01 | Rejection of invention patent application after publication |