CN105860194A - Thermoplastic polymer composite material containing nano diamond ene and preparation method of thermoplastic polymer composite material - Google Patents
Thermoplastic polymer composite material containing nano diamond ene and preparation method of thermoplastic polymer composite material Download PDFInfo
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- CN105860194A CN105860194A CN201610240887.0A CN201610240887A CN105860194A CN 105860194 A CN105860194 A CN 105860194A CN 201610240887 A CN201610240887 A CN 201610240887A CN 105860194 A CN105860194 A CN 105860194A
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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
- 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
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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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- C08K3/02—Elements
- C08K3/04—Carbon
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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
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- C08K9/04—Ingredients treated with organic substances
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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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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Abstract
The invention discloses a thermoplastic polymer composite material containing nano diamond ene, and belongs to the technical field of high polymer materials. The thermoplastic polymer composite material is prepared from, by weight, 90-95 parts of a thermoplastic polymer and 5-10 parts of nano diamond ene. A corresponding preparation method of the thermoplastic polymer composite material comprises the following steps that 1, the thermoplastic polymer and nano diamond ene are mixed in proportion; 2, melt extruding, drawing, cooling, pelletizing and drying are conducted on a double-screw extruder, and then the thermoplastic polymer composite material is obtained. According to the thermoplastic polymer composite material, nano diamond ene is added into the thermoplastic polymer, the heat conductivity coefficient of the polymer material is 5-10 W/(m.K), and the heat conductivity of the overall polymer material is improved; the composite material has a lamellar single crystal structure and is high in strength and good in wear resistance, the strength of the polymer material is improved, and the service life of the polymer material is prolonged; the preparation method of the composite material is simple and low in production cost, and only the double-screw extruder is utilized as the equipment.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of thermoplastic polymer containing nanometer diamond alkene
Composite and preparation method thereof.
Background technology
Solidification when thermoplastic polymer refers to have heating after-tack, cooling, can the plastics of the characteristic such as softening once again.Mesh
Before, commercial thermoplastic polymer specifically includes that polyethylene (PE), polypropylene (PP), polystyrene (PS), polymethylacrylic acid
Methyl ester (PMMA), polrvinyl chloride (PVC), politef (PTFE) etc., owing to this material has good pliability, high corrosion resistant
Erosion property and light weight, electric insulation, the advantage of low cost, be widely used in electronic product, Electronic Packaging, automobile, Aero-Space with
And the technical field such as LED illumination, such as: the luminous package electrically and in electronic installation is usually by thermoplastic polymer material
Material is made.But some application component is arranged near thermal source, light source or direct and thermal source, light source contacts, in the course of the work
Thermal source or light source can produce substantial amounts of heat, and these heats need to distribute in time, otherwise affect the duty of these parts, even
Directly burn, it is therefore desirable to these parts have a preferable heat dispersion, but the heat conductivity of thermoplastic, polymeric materials itself
The least, about 0.04-0.5W/ (m K) (1/600-1/500 of metal), radiating efficiency is the lowest, therefore, extends thermoplastic poly
Laminate material becomes key issue place at the application of field of radiating, the heat conductivility improving material.
Summary of the invention
Present invention aim at providing a kind of thermoplastic polymer composite material containing nanometer diamond alkene, it is provided simultaneously
Corresponding preparation method is another goal of the invention of the present invention.
Based on object above, the present invention takes techniques below scheme:
A kind of thermoplastic polymer composite material containing nanometer diamond alkene, is made up of the raw material of following weight portion: thermoplastic poly
Compound 90-95 part, nanometer diamond alkene 5-10 part.
It is made up of the raw material of following weight portion: thermoplastic polymer 95 parts, 5 parts of nanometer diamond alkene.
The percentage by weight of described nanometer diamond alkene consists of: granularity is the nanometer diamond alkene 10%-20% of 10-20nm, grain
The nanometer diamond alkene 40%-50% that degree is the nanometer diamond alkene 30%-40% of 200-250nm, granularity is 400-500nm.
Described nanometer diamond alkene is prepared by following methods: (1) pickling purifies: diamond raw material powder is broken into more than 8000 mesh
Fine powder, use concentrated sulphuric acid and concentrated nitric acid mixed liquor, dilute hydrochloric acid, Fluohydric acid. to this fine powder pickling successively, then use deionization
Water cleans to cleanout fluid pH close to 7；(2) sorting: the material after cleaning is centrifuged separating, and takes supernatant liquid and carries out 1-5
It precipitates sorting, removes the supernatant, after drying and be get final product by lower sediment thing.
Diamond raw material pickling advance row ball milling shaping and airflow crash in step (1): first by whole for diamond raw material ball milling
Shape also screens out the fines of more than 800 mesh；Pulverize in again this fines being delivered to airflow crash machine and screen out 8000 mesh with
On fine powder.
Described nanometer diamond alkene is through following surface-functionalized process: nanometer diamond alkene joins the mixing of ethanol and acetone
In liquid, ultrasonic disperse 1-2h, adds titanate coupling agent or silane coupler, at 40-60 DEG C, stirs 24-48h, titanium
The addition of acid esters coupling agent or silane coupler is the 1%-4% of nanometer diamond alkene；Described ethanol is 1 with the volume ratio of acetone:
1, nanometer diamond alkene is 0.8-1.2:1 with the weight ratio of mixed liquor.
Described thermoplastic polymer is through following surface-functionalized process: thermoplastic polymer raw material is immersed percentage by weight
Concentration is in the NaOH solution of 1%-3%, under stirring condition, soaks 2-4h, uses deionized water to clean close to cleanout fluid pH value
In 7, dry；Drying temperature and be 60-80 DEG C, drying time is 2-5h.
Described thermoplastic polymer is selected from polyethylene (PE), polypropylene (PP), polystyrene (PS), poly-methyl methacrylate
Ester (PMMA), polrvinyl chloride (PVC) and politef (PTFE).
The preparation method of the described thermoplastic polymer composite material containing nanometer diamond alkene, comprises the following steps: (1)
Thermoplastic polymer and nanometer diamond alkene are mixed in proportion；(2) carry out on the twin screw extruder melt extruding, tie rod, cold
But, pelletize, it is drying to obtain.
In step (1), thermoplastic polymer and nanometer diamond alkene are put in mixing roll and are mixed, and mixing roll rotating speed is 1000-
2000rpm, incorporation time is 10-20min.
In the present invention, the nanometer diamond alkene of employing is lamellar mono-crystalline structures, and electrical insulating property is good, corrosion resistance is strong, dispersion
Property good, without unite agglomeration occur.It is sp between the carbon atom of same lamella3Orbital hybridization carbon bond connects, between layers
Carbon atom between be sp2Hydridization carbon bond connects；Granularity is 20-500nm, and C content is 99-100%, and spacing of lattice is
0.21nm。
Compared with prior art, the thermoplastic polymer composite material containing nanometer diamond alkene has the advantage that
1) nanometer diamond alkene thermal conductivity is 1000-1200 W/ (m K), joins in thermoplastic polymer, polymeric material
Heat conductivity, at 1-5 W/ (m K), improves the heat conductivity that polymeric material is overall；It has lamellar mono-crystalline structures, intensity
Height, wearability are good, improve the intensity of polymeric material, extend the service life of polymeric material.
2) nanometer diamond alkene is taked to be made up of three kinds of varigrained diamond alkene, big granularity play skeleton function, big grain
Have a gap between the diamond alkene of degree, and smaller particle size can play filling effect, and varigrained nanometer diamond alkene mixing
After, its surfacing.
3) its preparation method is simple, production cost is low, and equipment uses double screw extruder.
Accompanying drawing explanation
Fig. 1 is the electrical equipment Mating graph of the testing equipment of heat conductivity.
Wherein: 1, primary heater；2, secondary heater；3, primary heater power supply；4, secondary heater power supply；5, temperature follows the tracks of control
Device processed；6, main thermocouple；7, auxiliary thermocouple.
Detailed description of the invention
The preparation of embodiment 1 nanometer diamond alkene
The steps include: that (1) is the most broken: sent into by diamond raw material in ball milling shaping barrel, through the steel ball of different grain size size
After the reforming process of ball mill crushing back and forth under high-speed rotation, carried out by the screen cloth of certain sieve number at ball mill rewinding mouth
Collect, the mesh number of screen cloth is not less than 70 mesh, ball milling training time general control at 1-5h, 70 mesh coarse fodder auto-returned ball mill weights
Newly carry out ball milling shaping；The granule more than 70 mesh that will collect divides at the beginning of multilamellar vibrating sieving machine carries out granularity, and sieve number is from 100
Mesh is arranged the most from high to low to 800 mesh, and the sieve time of shaking, that finally collects after 800 eye mesh screens filter was thin typically at 30min-2h
Material, the material of remaining granularity separately uses it for anything else, simultaneously for ensureing that the material that the accuracy of granularity need to be sieved shaking re-starts vibrosieve.
(2) again crush: the 800 above fineves of mesh step (1) collected enter gas after putting into airflow crash machine inlet
In stream crusher chamber, utilize high pressure draught that material is crushed, collect the material after screen cloth, screen cloth at airflow crash machine rewinding mouth
Mesh number arrange the most successively to 8000 mesh from 1000 mesh, collect 8000 eye mesh screens filter fines, 1000 eye mesh screens receive
Collection material auto-returned airflow crash crusher machine, and other mesh number sieve net collect material can as coarseness material sell or again
Again crush in Returning flow disintegrating machine.
(3) pickling purifies: first fine powders more than 8000 mesh is placed in pickling 2-7h in concentrated sulphuric acid and concentrated nitric acid mixed liquor,
Filtering, clean, described concentrated sulphuric acid and concentrated nitric acid mixed liquor are 98% concentrated sulphuric acid by mass fraction and mass fraction is 10% concentrated nitric acid
It is that 5:1 mixes according to mass ratio；Then fine powder is placed in the dilute hydrochloric acid that 140 DEG C of-160 DEG C of mass fractions are 5%-8%
4-9h, filtration；This fine powder is placed in 10-20 h in Fluohydric acid. again, removes the metal impurities in material and at ball milling shaping, air-flow
Shattering process is attached to the impurity on material, then uses deionized water to clean to cleanout fluid pH close to 7.
(4) sorting: the material after cleaning is centrifuged sorting, and centrifugal classification is to utilize rotating speed and centrifugation time to reach
Control to particle diameter, rotating speed is the highest, and the particle diameter of the longest material obtained of centrifugation time is the thinnest, and centrifugation time is 30-50min, turns
Speed is 8000rpm；Centrifuge tube top mixed liquor carries out after centrifugal classification precipitation sorting 5 days, and the deposition material bottom centrifuge tube can
Material as relatively coarseness reclaims sale, it is possible to being again refined into nanometer diamond alkene, precipitation sorting is by controlling the sedimentation time
Length reaches to control the purpose of particle diameter, and the particle diameter the biggest sedimentation time is the shortest, removes the supernatant, lower sediment after precipitation sorting
Thing i.e. can get finished product nanometer diamond alkene after the qualified post-drying of granularity Detection.
Utilize the nanometer diamond alkene of the layer structure of the novel controllable type that said method prepares, tie for lamellar monocrystalline
Structure, is sp between the carbon atom of same lamella3Orbital hybridization carbon bond connects, and is sp between carbon atom between layers2Hydridization carbon
Bonded；C content is 99-100%, and spacing of lattice is 0.21nm, and particle size range is 200-500nm, each grain described at this
Angle value is the granularity peak value in a scope the least, and the granularity of this peak value is institute in the granularity that corresponding sorting time sorting goes out
The ratio accounted for is at least more than 98%.
Embodiment 2
A kind of thermoplastic polymer composite material containing nanometer diamond alkene, is made up of the raw material of following weight portion: polyethylene 95
Part, 5 parts of nanometer diamond alkene, the percentage by weight of nanometer diamond alkene consists of: granularity is the nanometer diamond alkene 20% of 10-20nm, grain
The nanometer diamond alkene 50% that degree is the nanometer diamond alkene 30% of 200-250nm, granularity is 400-500nm.
Nanometer diamond alkene is through following surface-functionalized process: nanometer diamond alkene joins the mixed liquor of ethanol and acetone
In, ethanol is 1:1 with the volume ratio of acetone, ultrasonic disperse 1h, adds titanate coupling agent or silane coupler, at 40 DEG C,
Stirring 48h, the addition of titanate coupling agent or silane coupler is the 1% of nanometer diamond alkene；Described nanometer diamond alkene with
The weight ratio of mixed liquor is 1:1.
Polyethylene is through following surface-functionalized process: polyethylene raw material immerses the NaOH that weight percent concentration is 1% molten
In liquid, under stirring condition, soak 2h, use deionized water to clean to cleanout fluid pH value close to 7, dry；Dry temperature
Being 60 DEG C, drying time is 2h.
The preparation method of the thermoplastic polymer composite material containing nanometer diamond alkene, comprises the following steps: (1) is by poly-second
Alkene and nanometer diamond alkene are put into mixing roll in proportion and are carried out mixing 10min, and rotating speed is 1000rpm；(2) then at twin-screw extrusion
Carrying out on machine melt extruding, tie rod, cooling, pelletize, be drying to obtain, the feeding section temperature of double screw extruder is 220-240 DEG C,
Plasticizing is sheared section temperature and is 240-270 DEG C, and head temperature is 260-300 DEG C, and screw speed is 200-300rpm.
Embodiment 3
A kind of thermoplastic polymer composite material containing nanometer diamond alkene, is made up of the raw material of following weight portion: poly-methyl-prop
E pioic acid methyl ester 95 parts, 5 parts of nanometer diamond alkene, the percentage by weight of nanometer diamond alkene consists of: granularity is that the nanometer of 10-20nm is bored
Stone alkene 10%, granularity be the nanometer diamond alkene 40% of 200-250nm, granularity be the nanometer diamond alkene 50% of 400-500nm.
Nanometer diamond alkene is through following surface-functionalized process: nanometer diamond alkene joins the mixed liquor of ethanol and acetone
In, ethanol is 1:1 with the volume ratio of acetone, ultrasonic disperse 2h, adds titanate coupling agent or silane coupler, at 60 DEG C,
Stirring 24h, the addition of titanate coupling agent or silane coupler is the 4% of nanometer diamond alkene；Described nanometer diamond alkene with
The weight ratio of mixed liquor is 1.2:1.
Polymethyl methacrylate is through following surface-functionalized process: polymethyl methacrylate raw material is immersed weight hundred
Proportion by subtraction concentration is in the NaOH solution of 3%, under stirring condition, soak 4h, use deionized water clean to cleanout fluid pH value close to
7, dry；Drying temperature is 60 DEG C, and drying time is 3h.
The preparation method of the thermoplastic polymer composite material containing nanometer diamond alkene, comprises the following steps: (1) is by poly-first
Base acrylic acid methyl ester. and nanometer diamond alkene are put into mixing roll in proportion and are carried out mixing 20min, and rotating speed is 2000rpm；(2) then exist
Carrying out on double screw extruder melt extruding, tie rod, cooling, pelletize, be drying to obtain, the feeding section temperature of double screw extruder is
220-240 DEG C, plasticizing is sheared section temperature and is 240-270 DEG C, and head temperature is 260-300 DEG C, and screw speed is 200-300rpm.
Embodiment 4
A kind of thermoplastic polymer composite material containing nanometer diamond alkene, is made up of the raw material of following weight portion: polrvinyl chloride
95 parts, 5 parts of nanometer diamond alkene, the percentage by weight of described nanometer diamond alkene consists of: granularity is the nanometer diamond alkene of 10-20nm
20%, granularity be the nanometer diamond alkene 40% of 200-250nm, granularity be the nanometer diamond alkene 40% of 400-500nm.
Polrvinyl chloride is through following surface-functionalized process: polrvinyl chloride raw material is immersed weight percent concentration is 3%
In NaOH solution, under stirring condition, soak 2h, use deionized water to clean to cleanout fluid pH value close to 7, dry；Dry
Dry temperature is 60 DEG C, and drying time is 2h.
The surface-functionalized processing method of nanometer diamond alkene and the preparation method of thermoplastic polymer composite material are with reference to real
Execute example 2.
Embodiment 5
A kind of thermoplastic polymer composite material containing nanometer diamond alkene, is made up of the raw material of following weight portion: polytetrafluoroethyl-ne
95 parts of alkene, 5 parts of nanometer diamond alkene, the percentage by weight of nanometer diamond alkene consists of: granularity is the nanometer diamond alkene of 10-20nm
15%, granularity be the nanometer diamond alkene 35% of 200-250nm, granularity be the nanometer diamond alkene 50% of 400-500nm.
Politef is through following surface-functionalized process: politef raw material is immersed weight percent concentration is 3%
NaOH solution in, under stirring condition, soak 4h, use deionized water clean to cleanout fluid pH value close to 7, dry；
Drying temperature is 60 DEG C, and drying time is 4h.
The surface-functionalized processing method of nanometer diamond alkene and the preparation method of thermoplastic polymer composite material are with reference to real
Execute example 2.
Embodiment 6
A kind of thermoplastic polymer composite material containing nanometer diamond alkene, is made up of the raw material of following weight portion: polyethylene 40
Part, polrvinyl chloride 52 parts, 8 parts of nanometer diamond alkene, the percentage by weight of nanometer diamond alkene consists of: granularity is receiving of 10-20nm
Rice diamond alkene 20%, granularity be the nanometer diamond alkene 35% of 200-250nm, granularity be the nanometer diamond alkene 45% of 400-500nm.
The surface-functionalized processing method of polyethylene and polrvinyl chloride respectively refers to embodiment 2 and 4.
The surface-functionalized processing method of nanometer diamond alkene and the preparation method of thermoplastic polymer composite material are with reference to real
Execute example 3.
Embodiment 7
A kind of thermoplastic polymer composite material containing nanometer diamond alkene, is made up of the raw material of following weight portion: polyethylene 50
Part, polrvinyl chloride 40 parts, 8 parts of nanometer diamond alkene, the percentage by weight of nanometer diamond alkene consists of: granularity is receiving of 10-20nm
Rice diamond alkene 20%, granularity be the nanometer diamond alkene 35% of 200-250nm, granularity be the nanometer diamond alkene 45% of 400-500nm.
The surface-functionalized processing method of surface-functionalized processing method, polyethylene and the polrvinyl chloride of nanometer diamond alkene and
The preparation method of thermoplastic polymer composite material is with reference to embodiment 6.
Embodiment 8
A kind of thermoplastic polymer composite material containing nanometer diamond alkene, is made up of the raw material of following weight portion: polyethylene 40
Part, polrvinyl chloride 50 parts, 10 parts of nanometer diamond alkene, the percentage by weight of nanometer diamond alkene consists of: granularity is receiving of 10-20nm
Rice diamond alkene 15%, granularity be the nanometer diamond alkene 35% of 200-250nm, granularity be the nanometer diamond alkene 50% of 400-500nm.
The surface-functionalized processing method of surface-functionalized processing method, polyethylene and the polrvinyl chloride of nanometer diamond alkene and
The preparation method of thermoplastic polymer composite material is with reference to embodiment 6.
Embodiment 9 performance test
The tensile strength of thermoplastic polymer composite material, elongation at break and the heat conductivity of embodiment 2-8 is tested,
The method of testing of tensile strength uses the method for testing of GB GB1040.79, and the method for testing of elongation at break uses GB
The method of testing of GB1040-79, the method for testing of heat conductivity uses stable state flat band method to test, and stable state flat band method is a kind of
The method that the ultimate principle of application one-dimensional stable conduction process measures material thermal conductivity, can be used to carry out heat conductivity
Determination test, measures heat conductivity and and the relation of temperature thereof of material.
The method of testing of heat conductivity: polymer composites is made 2 pieces of square thin-walled flat test pieces, area is 300
×300mm2, actual heat conduction area F is 200 × 200 mm2, the thickness of plate is δ (actual measurement), and 2 pieces of flat test pieces are pressed from both sides respectively
Tight between the upper and lower hot side and the huyashi-chuuka (cold chinese-style noodles) of upper and lower water jacket of heater, the hot side of heater and water jacket contact with flat test piece
Face is equipped with copper coin, so that uniformity of temperature profile, utilizes the heating to upper and lower test specimen hot side of the diaphragm type heating plate, and upper and lower water
The cooling surface of set is cooled down by recirculated cooling water, and the electrical equipment of testing equipment couples as shown in Figure 1.
By the steady heat conduction amount of thin-walled flat board (wall thickness is less than 1/10th wall length and wall width) it is
Thus draw
Wherein: λ is heat conductivity, unit is W/ (m K)；Q is the heat conduction amount by flat board, and unit is W；δ is the thickness of flat board
Degree, unit is m；Δ t is the temperature difference on flat board two sides, and unit is K；F is the heat-conducting area in flat board vertical heat flow direction, and unit is
㎡。
During mensuration, the temperature difference on assay plate two sides, δ, F and Q, the heat conductivity of flat board can be drawn,
Performance measurement result such as table 1 below.
As shown in Table 1, along with the difference of thermoplastic polymer, after adding nanometer diamond alkene, its mechanical property and heat conductivity
The heat conductivity that can have raising in various degree, especially thermoplastic polymer improves tens times, so at thermoplastic poly
Compound adds nanometer diamond alkene, not only increases the intensity of thermoplastic, polymeric materials, also improve its heat conductivity, i.e. dispel the heat
Property, extend its application so that it is can be applicable to the technical fields such as electronic product, Electronic Packaging, automobile, Aero-Space, especially
It is in technical field of LED illumination, it is possible to solve the technical problem of technical field of LED illumination weak heat-dissipating.
Claims (10)
1. the thermoplastic polymer composite material containing nanometer diamond alkene, it is characterised in that by the raw material of following weight portion
Make: thermoplastic polymer 90-95 part, nanometer diamond alkene 5-10 part.
Thermoplastic polymer composite material containing nanometer diamond alkene the most according to claim 1, it is characterised in that by with
The raw material of lower weight portion is made: thermoplastic polymer 95 parts, 5 parts of nanometer diamond alkene.
Thermoplastic polymer composite material containing nanometer diamond alkene the most according to claim 1 and 2, it is characterised in that
The percentage by weight of described nanometer diamond alkene consists of: granularity is the nanometer diamond alkene 10%-20% of 10-20nm, granularity is 200-
The nanometer diamond alkene 30%-40% of 250nm, granularity are the nanometer diamond alkene 40%-50% of 400-500nm.
Thermoplastic polymer composite material containing nanometer diamond alkene the most according to claim 3, it is characterised in that described
Nanometer diamond alkene is prepared by following methods: (1) pickling purifies: diamond raw material powder is broken into the fine powder of more than 8000 mesh, successively
Use concentrated sulphuric acid and concentrated nitric acid mixed liquor, dilute hydrochloric acid, Fluohydric acid. to this fine powder pickling, then use deionized water to clean to cleaning
Liquid pH is close to 7；(2) sorting: the material after cleaning is centrifuged separating, takes supernatant liquid and carries out precipitation sorting in 1-5 days, go
Except the supernatant, lower sediment thing after drying and be get final product.
Thermoplastic polymer composite material containing nanometer diamond alkene the most according to claim 4, it is characterised in that step
(1) diamond raw material pickling advance row ball milling shaping and airflow crash in: first by diamond raw material ball milling shaping and screen out 800
Fines more than mesh；Pulverize and screen out the fine powder of more than 8000 mesh in again this fines being delivered to airflow crash machine.
Thermoplastic polymer composite material containing nanometer diamond alkene the most according to claim 5, it is characterised in that described
Nanometer diamond alkene is through following surface-functionalized process: joined by nanometer diamond alkene in the mixed liquor of ethanol and acetone, ultrasonic point
Dissipate 1-2h, add titanate coupling agent or silane coupler, at 40-60 DEG C, stir 24-48h, titanate coupling agent or
The addition of silane coupler is the 1%-4% of nanometer diamond alkene；Described ethanol is 1:1 with the volume ratio of acetone, nanometer diamond alkene
It is 0.8-1.2:1 with the weight ratio of mixed liquor.
Thermoplastic polymer composite material containing nanometer diamond alkene the most according to claim 1, it is characterised in that described
Thermoplastic polymer is through following surface-functionalized process: thermoplastic polymer raw material is immersed weight percent concentration is 1%-3%
NaOH solution in, under stirring condition, soak 2-4h, use deionized water to clean to cleanout fluid pH value close to 7, dry i.e.
Can；Drying temperature and be 60-80 DEG C, drying time is 2-5h.
Thermoplastic polymer composite material containing nanometer diamond alkene the most according to claim 7, it is characterised in that described
Thermoplastic polymer is selected from polyethylene, polypropylene, polystyrene, polymethyl methacrylate, polrvinyl chloride and politef.
9. the preparation of the thermoplastic polymer composite material containing nanometer diamond alkene described in claim 1,2,4,5,6,7 or 8
Method, it is characterised in that comprise the following steps: thermoplastic polymer and nanometer diamond alkene are mixed in proportion by (1)；(2) double
Carry out on screw extruder melt extruding, tie rod, cooling, pelletize, be drying to obtain.
The preparation method of the thermoplastic polymer composite material containing nanometer diamond alkene the most according to claim 9, it is special
Levying and be, in step (1), thermoplastic polymer and nanometer diamond alkene are put in mixing roll and are mixed, and mixing roll rotating speed is 1000-
2000rpm, incorporation time is 10-20min.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN106751342A (en) * | 2016-12-15 | 2017-05-31 | 广东佳居乐厨房科技有限公司 | A kind of fire-retardant cupboard board and preparation method thereof |
| CN106800765A (en) * | 2017-01-21 | 2017-06-06 | 郑州人造金刚石及制品工程技术研究中心有限公司 | A kind of makrolon material for smart mobile phone shell and its preparation method and application |
| CN106832955A (en) * | 2017-02-08 | 2017-06-13 | 河南省豫星华晶微钻有限公司 | A kind of LED encapsulation organic siliconresin and preparation method thereof |
| CN106867103A (en) * | 2017-01-21 | 2017-06-20 | 郑州人造金刚石及制品工程技术研究中心有限公司 | A kind of PP composite material containing nanometer diamond alkene and preparation method |
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| WO2023161654A1 (en) * | 2022-02-25 | 2023-08-31 | Queen Mary University Of London | Drawn article |
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| CN106751342A (en) * | 2016-12-15 | 2017-05-31 | 广东佳居乐厨房科技有限公司 | A kind of fire-retardant cupboard board and preparation method thereof |
| CN106800765A (en) * | 2017-01-21 | 2017-06-06 | 郑州人造金刚石及制品工程技术研究中心有限公司 | A kind of makrolon material for smart mobile phone shell and its preparation method and application |
| CN106867103A (en) * | 2017-01-21 | 2017-06-20 | 郑州人造金刚石及制品工程技术研究中心有限公司 | A kind of PP composite material containing nanometer diamond alkene and preparation method |
| CN106800765B (en) * | 2017-01-21 | 2018-06-08 | 郑州人造金刚石及制品工程技术研究中心有限公司 | It is a kind of for makrolon material of smart mobile phone shell and its preparation method and application |
| CN106832955A (en) * | 2017-02-08 | 2017-06-13 | 河南省豫星华晶微钻有限公司 | A kind of LED encapsulation organic siliconresin and preparation method thereof |
| CN108414239A (en) * | 2018-03-15 | 2018-08-17 | 江苏中关村科技产业园节能环保研究有限公司 | A kind of Automobile closed structure synthesis heat conductivity measuring device and method |
| WO2023161654A1 (en) * | 2022-02-25 | 2023-08-31 | Queen Mary University Of London | Drawn article |
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