CN109354839A - A kind of thermally conductive engineering plastics and preparation method thereof - Google Patents
A kind of thermally conductive engineering plastics and preparation method thereof Download PDFInfo
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- CN109354839A CN109354839A CN201811241071.5A CN201811241071A CN109354839A CN 109354839 A CN109354839 A CN 109354839A CN 201811241071 A CN201811241071 A CN 201811241071A CN 109354839 A CN109354839 A CN 109354839A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy 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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
Abstract
The invention discloses a kind of thermally conductive engineering plastics and preparation method thereof, the raw material of the thermally conductive engineering plastics includes: that PBT, PC, PMMA, fire-retardant filler, fire retardant, flame retardant, triphenyl phosphite, glass fibre, calcium stearate, methyl-silicone oil, second two support double stearic amides, surface-modified carbon nanotubes.Preparation method is extrusion granulator after first mixing PBT, PC, PMMA, fire-retardant filler, surface-modified carbon nanotubes, glass fibre, again by obtained pellet and fire retardant, flame retardant, triphenyl phosphite, calcium stearate, methyl-silicone oil, second two support after double stearic amides mix extrusion granulator to get.The present invention by the way that composite flame-proof filler, surface-modified carbon nanotubes is added, and is used bromo- antimony fire retardant, the thermally conductive engineering plastics of excellent combination property is made, can be widely used for all kinds of engineering fields using PBT, PC, PMMA as resin matrix.
Description
Technical field
The invention belongs to engineering plastics technical fields, and in particular to a kind of thermally conductive engineering plastics and preparation method thereof.
Background technique
Industrial level is constantly progressive so that the application field of Heat Conduction Material is increasingly extensive.Conventional Heat Conduction Material such as metal
And its oxide, nitride and some other nonmetallic materials such as graphite etc. are easily adding although having good heating conduction
Work, corrosion resistance etc. are no longer satisfied current market needs.
With the continuous development of industrial production and science and technology, requirement of the people to Heat Conduction Material comprehensive performance is increasingly
Height, traditional metal material can no longer meet the requirement of certain special occasions.Heat as electronic equipment generates is rapid
Accumulation and increase will lead to device cisco unity malfunction, therefore heat dissipation has become an important factor for influencing its service life in time.Lightweight,
It is main spy that high molecular material is different from metal material that processing easy to form, endurance, corrosion-resistant and electrical insulating property be excellent
Point, however, uniform compact and orderly crystal structure or charge carrier needed for general high molecular material shortage transmitting heat, cause
Its heating conduction is poor.Filler with heating conduction is distributed in polymeric matrix and forming so-called heat-conductive composite material is
The major way that heat-conducting plastic uses at present, but form heat conduction network and need higher filler loading, lead to composite material
Mechanical property declines to a great extent.
Summary of the invention
The purpose of the present invention is provided for above-mentioned existing issue a kind of thermally conductive engineering plastics of excellent in mechanical performance and its
Preparation method.
A kind of thermally conductive engineering plastics, raw material include: 10-30 parts of PBT in parts by weight, and 10-30 parts of PC, PMMA 3-5
Part, 10-30 parts of fire-retardant filler, 3-7 parts of fire retardant, 0.5-1 parts of flame retardant, 2-4 parts of triphenyl phosphite, glass fibre 1-3
Part, 0.5-1 parts of calcium stearate, 0.5-1 parts of methyl-silicone oil, second two supports double 1-2 parts of stearic amides, surface-modified carbon nanotubes
0.5-1 parts.
Preferably, the fire-retardant filler is selected from aluminium oxide, silicon carbide, aluminium nitride, lamella hexagonal boron nitride or needle-shaped oxidation
Zinc whisker.
Preferably, the toughener is MBS or EMA.
Preferably, the combustion adjuvant is selected from decabromodiphenylethane, brominated Polystyrene or butynediols diethoxy ether.
Preferably, the flame retardant is antimony oxide.
The preparation method of above-mentioned thermally conductive engineering plastics, comprising the following steps:
Step 1, carbon nanotube is mixed with 0.05-0.1wt.% titanate coupling agent, it is modified to obtain surface through ball milling for mixture
Carbon nanotube；
Step 2, PBT, PC, PMMA, fire-retardant filler, surface-modified carbon nanotubes, glass fibre are mixed, mixture imports double spiral shells
Bar extruder extrusion granulator；
Step 3, the pellet that step 2 is obtained and fire retardant, flame retardant, triphenyl phosphite, calcium stearate, methyl-silicone oil,
Second two supports double stearic amide mixing, and mixture imports double screw extruder extrusion granulator, obtains thermally conductive pellet.
The present invention is using PBT, PC, PMMA as resin matrix, by the way that composite flame-proof filler, surface modified carbon nanometer is added
Pipe, and bromo- antimony fire retardant is used, the thermally conductive engineering plastics of excellent combination property are made, can be widely used for all kinds of engineering fields.
Specific embodiment
Embodiment 1
A kind of thermally conductive engineering plastics, raw material include: 10 parts of PBT in parts by weight, and 10 parts of PC, 3 parts of PMMA, fire-retardant filler 10
Part, 3 parts of fire retardant, 0.5 part of flame retardant, 2 parts of triphenyl phosphite, 1 part of glass fibre, 0.5 part of calcium stearate, methyl-silicone oil
0.5 part, second two supports double 1 part of stearic amides, and 0.5 part of surface-modified carbon nanotubes.
The fire-retardant filler is the mixture of aluminium oxide, aluminium nitride, lamella hexagonal boron nitride.
The toughener is MBS.
The combustion adjuvant is brominated Polystyrene.
The flame retardant is antimony oxide.
The preparation method of above-mentioned thermally conductive engineering plastics, comprising the following steps:
Step 1, carbon nanotube is mixed with 0.05wt.% titanate coupling agent, mixture obtains surface modified carbon and receive through ball milling
Mitron；
Step 2, PBT, PC, PMMA, fire-retardant filler, surface-modified carbon nanotubes, glass fibre are mixed, mixture imports double spiral shells
Bar extruder extrusion granulator；
Step 3, the pellet that step 2 is obtained and fire retardant, flame retardant, triphenyl phosphite, calcium stearate, methyl-silicone oil,
Second two supports double stearic amide mixing, and mixture imports double screw extruder extrusion granulator, obtains thermally conductive pellet.
Through detecting, the thermal coefficient of resulting materials be can reach 3.15W/ (mk), and volume resistivity is 8.1 × 105 Ω·
M, tensile strength 55.2MPa, impact strength 13.2KJ/m2, limit oxygen index 30.2%, fire-retardant rank is up to V-0 grades.
Embodiment 2
A kind of thermally conductive engineering plastics, raw material include: 17 parts of PBT in parts by weight, and 13 parts of PC, 4 parts of PMMA, fire-retardant filler 18
Part, 5 parts of fire retardant, 0.7 part of flame retardant, 3 parts of triphenyl phosphite, 2 parts of glass fibre, 0.7 part of calcium stearate, methyl-silicone oil
0.6 part, second two supports double 1.3 parts of stearic amides, and 0.8 part of surface-modified carbon nanotubes.
The fire-retardant filler is the mixture of silicon carbide, needle-shape zinc oxide crystal whisker, lamella hexagonal boron nitride.
The toughener is MBS.
The combustion adjuvant is butynediols diethoxy ether.
The flame retardant is antimony oxide.
The preparation method of above-mentioned thermally conductive engineering plastics, comprising the following steps:
Step 1, carbon nanotube is mixed with 0.06wt.% titanate coupling agent, mixture obtains surface modified carbon and receive through ball milling
Mitron；
Step 2, PBT, PC, PMMA, fire-retardant filler, surface-modified carbon nanotubes, glass fibre are mixed, mixture imports double spiral shells
Bar extruder extrusion granulator；
Step 3, the pellet that step 2 is obtained and fire retardant, flame retardant, triphenyl phosphite, calcium stearate, methyl-silicone oil,
Second two supports double stearic amide mixing, and mixture imports double screw extruder extrusion granulator, obtains thermally conductive pellet.
Through detecting, the thermal coefficient of resulting materials be can reach 3.08W/ (mk), and volume resistivity is 7.5 × 105 Ω·
M, tensile strength 56.3MPa, impact strength 12.9KJ/m2, limit oxygen index 28.9%, fire-retardant rank is up to V-0 grades.
Embodiment 3
A kind of thermally conductive engineering plastics, raw material include: 25 parts of PBT in parts by weight, and 23 parts of PC, 4 parts of PMMA, fire-retardant filler 23
Part, 6 parts of fire retardant, 0.8 part of flame retardant, 3 parts of triphenyl phosphite, 2 parts of glass fibre, 0.8 part of calcium stearate, methyl-silicone oil
0.7 part, second two supports double 2 parts of stearic amides, and 0.8 part of surface-modified carbon nanotubes.
The fire-retardant filler is the mixture of aluminium oxide, aluminium nitride, lamella hexagonal boron nitride.
The toughener is MBS.
The combustion adjuvant is brominated Polystyrene.
The flame retardant is antimony oxide.
The preparation method of above-mentioned thermally conductive engineering plastics, comprising the following steps:
Step 1, carbon nanotube is mixed with 0.05wt.% titanate coupling agent, mixture obtains surface modified carbon and receive through ball milling
Mitron；
Step 2, PBT, PC, PMMA, fire-retardant filler, surface-modified carbon nanotubes, glass fibre are mixed, mixture imports double spiral shells
Bar extruder extrusion granulator；
Step 3, the pellet that step 2 is obtained and fire retardant, flame retardant, triphenyl phosphite, calcium stearate, methyl-silicone oil,
Second two supports double stearic amide mixing, and mixture imports double screw extruder extrusion granulator, obtains thermally conductive pellet.
Through detecting, the thermal coefficient of resulting materials be can reach 3.22W/ (mk), and volume resistivity is 7.9 × 105 Ω·
M, tensile strength 54.9MPa, impact strength 12.5KJ/m2, limit oxygen index 29.6%, fire-retardant rank is up to V-0 grades.
Embodiment 4
A kind of thermally conductive engineering plastics, raw material include: 30 parts of PBT in parts by weight, and 30 parts of PC, 5 parts of PMMA, fire-retardant filler 30
Part, 7 parts of fire retardant, 1 part of flame retardant, 4 parts of triphenyl phosphite, 3 parts of glass fibre, 1 part of calcium stearate, 1 part of methyl-silicone oil,
Second two supports double 2 parts of stearic amides, and 1 part of surface-modified carbon nanotubes.
The fire-retardant filler is the mixture of aluminium nitride, lamella hexagonal boron nitride, needle-shape zinc oxide crystal whisker.
The toughener is EMA.
The combustion adjuvant is butynediols diethoxy ether.
The flame retardant is antimony oxide.
The preparation method of above-mentioned thermally conductive engineering plastics, comprising the following steps:
Step 1, carbon nanotube is mixed with 0.1wt.% titanate coupling agent, mixture obtains surface modified carbon nanometer through ball milling
Pipe；
Step 2, PBT, PC, PMMA, fire-retardant filler, surface-modified carbon nanotubes, glass fibre are mixed, mixture imports double spiral shells
Bar extruder extrusion granulator；
Step 3, the pellet that step 2 is obtained and fire retardant, flame retardant, triphenyl phosphite, calcium stearate, methyl-silicone oil,
Second two supports double stearic amide mixing, and mixture imports double screw extruder extrusion granulator, obtains thermally conductive pellet.
Through detecting, the thermal coefficient of resulting materials be can reach 3.06W/ (mk), and volume resistivity is 7.7 × 105 Ω·
M, tensile strength 55.1MPa, impact strength 13.2KJ/m2, limit oxygen index 30.1%, fire-retardant rank is up to V-0 grades.
Claims (6)
1. a kind of thermally conductive engineering plastics, it is characterised in that: raw material includes: 10-30 parts of PBT in parts by weight, and 10-30 parts of PC,
3-5 parts of PMMA, 10-30 parts of fire-retardant filler, 3-7 parts of fire retardant, 0.5-1 parts of flame retardant, 2-4 parts of triphenyl phosphite, glass
1-3 parts of fiber, 0.5-1 parts of calcium stearate, 0.5-1 parts of methyl-silicone oil, second two supports double 1-2 parts of stearic amides, surface modified carbon
0.5-1 parts of nanotube.
2. thermally conductive engineering plastics according to claim 1, it is characterised in that: the fire-retardant filler is selected from aluminium oxide, carbonization
Silicon, aluminium nitride, lamella hexagonal boron nitride or needle-shape zinc oxide crystal whisker.
3. thermally conductive engineering plastics according to claim 1, it is characterised in that: the toughener is MBS or EMA.
4. thermally conductive engineering plastics according to claim 1, it is characterised in that: the combustion adjuvant be selected from decabromodiphenylethane,
Brominated Polystyrene or butynediols diethoxy ether.
5. thermally conductive engineering plastics according to claim 1, it is characterised in that: the flame retardant is antimony oxide.
6. the preparation method of thermally conductive engineering plastics described in claim 1, it is characterised in that: the following steps are included:
Step 1, carbon nanotube is mixed with 0.05-0.1wt.% titanate coupling agent, it is modified to obtain surface through ball milling for mixture
Carbon nanotube；
Step 2, PBT, PC, PMMA, fire-retardant filler, surface-modified carbon nanotubes, glass fibre are mixed, mixture imports double spiral shells
Bar extruder extrusion granulator；
Step 3, the pellet that step 2 is obtained and fire retardant, flame retardant, triphenyl phosphite, calcium stearate, methyl-silicone oil,
Second two supports double stearic amide mixing, and mixture imports double screw extruder extrusion granulator, obtains thermally conductive pellet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811241071.5A CN109354839A (en) | 2018-10-24 | 2018-10-24 | A kind of thermally conductive engineering plastics and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811241071.5A CN109354839A (en) | 2018-10-24 | 2018-10-24 | A kind of thermally conductive engineering plastics and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679916A (en) * | 2020-12-09 | 2021-04-20 | 金发科技股份有限公司 | PBT composition and preparation method and application thereof |
| CN113004667A (en) * | 2021-03-24 | 2021-06-22 | 北京悦康塑料制品有限公司 | Complex plastic product and production process thereof |
| CN113717492A (en) * | 2021-09-01 | 2021-11-30 | 深圳市动盈先进材料有限公司 | Production process of mobile phone rear shell based on 5G transmission |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102477215A (en) * | 2010-11-25 | 2012-05-30 | 合肥杰事杰新材料股份有限公司 | Heat-conducting flame-retardant polyethylene terephthalate composite and preparation method thereof |
| CN105504707A (en) * | 2016-02-24 | 2016-04-20 | 江苏美奥新材料有限公司 | Heat-conducting toughness-improving flame-retardant enhanced PBT (polybutylece terephthalate) plastic and preparation method thereof |
-
2018
- 2018-10-24 CN CN201811241071.5A patent/CN109354839A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102477215A (en) * | 2010-11-25 | 2012-05-30 | 合肥杰事杰新材料股份有限公司 | Heat-conducting flame-retardant polyethylene terephthalate composite and preparation method thereof |
| CN105504707A (en) * | 2016-02-24 | 2016-04-20 | 江苏美奥新材料有限公司 | Heat-conducting toughness-improving flame-retardant enhanced PBT (polybutylece terephthalate) plastic and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679916A (en) * | 2020-12-09 | 2021-04-20 | 金发科技股份有限公司 | PBT composition and preparation method and application thereof |
| CN112679916B (en) * | 2020-12-09 | 2022-04-19 | 金发科技股份有限公司 | PBT composition and preparation method and application thereof |
| CN113004667A (en) * | 2021-03-24 | 2021-06-22 | 北京悦康塑料制品有限公司 | Complex plastic product and production process thereof |
| CN113717492A (en) * | 2021-09-01 | 2021-11-30 | 深圳市动盈先进材料有限公司 | Production process of mobile phone rear shell based on 5G transmission |
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Application publication date: 20190219 |