CN109233279A - Thermal-conducting electric-insulating polyphenyl thioether composite material and preparation method - Google Patents
Thermal-conducting electric-insulating polyphenyl thioether composite material and preparation method Download PDFInfo
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- CN109233279A CN109233279A CN201811006729.4A CN201811006729A CN109233279A CN 109233279 A CN109233279 A CN 109233279A CN 201811006729 A CN201811006729 A CN 201811006729A CN 109233279 A CN109233279 A CN 109233279A
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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
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K2201/00—Specific properties of additives
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- C08K2201/003—Additives being defined by their diameter
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
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Abstract
The present invention relates to a kind of thermal-conducting electric-insulating polyphenyl thioether composite material and preparation methods, belong to technical field of composite materials.Solves the low technical problem of existing polyphenylene sulfide thermal coefficient.Composite material of the invention is made of 80-90 parts by weight polyphenylene sulfide, 2-5 parts by weight silicon carbide, 1-3 parts by weight carbolic acid, 0.5-1.5 parts by weight boron nitride, 2-4 parts by weight ethylenebisstearamide, 3-5 weight account polyethylene wax, 1-4 parts by weight zinc stearate, 0.1-1.5 parts by weight light stabilizer, 0.5-1.5 parts by weight antioxidant, 1-1.5 parts by weight coupling agent, 1-2 parts by weight toughener and 0.3-0.5 parts by weight nucleating agent.The composite material has excellent thermal conductivity, insulating properties and comprehensive mechanical property.
Description
Technical field
The invention belongs to technical field of composite materials, and in particular to a kind of thermal-conducting electric-insulating polyphenyl thioether composite material and its system
Preparation Method.
Background technique
Polyphenylene sulfide full name is polyphenylene thioether, is the thermoplastic resin that thiophenyl is had in molecular backbone.With excellent
High temperature resistant, corrosion-resistant, radiation hardness, anti-flammability, the physical mechanical property of equilibrium and fabulous dimensional stability, heat distortion temperature
(1.8MPa, unannealed, 3.20mm) is 93.0 DEG C, stretch modulus 2500MPa, bending modulus 3300MPa, overhanging beam notch
(23 DEG C) of impact strength are 29J/m.It succeeds application in fields such as electronic apparatus, aerospace, Automobile Transportations.
The electrical property of PPS is also very prominent, and compared with other engineering material, dielectric constant and dielectric consume angle are at cutting value
It is all relatively low, and change less in biggish frequency, temperature and temperature range, specific volume resistance is 1.0 × 1016Ω·
cm；Therefore it is usually used in electrical apparatus insulation material.
However, polyphenylene sulfide itself heating conduction is poor, thermal coefficient is only 0.226W/mK, poly- in order to further expand
For diphenyl sulfide in the application of the high-technology fields such as Aeronautics and Astronautics, electric, the heating conduction for improving polyphenylene sulfide is that technology is closed
Key.
Summary of the invention
In view of this, the present invention is to solve the low technical problem of existing polyphenylene sulfide thermal coefficient, provide a kind of thermally conductive exhausted
Edge polyphenyl thioether composite material and preparation method thereof.
It is as follows that the present invention solves the technical solution that above-mentioned technical problem is taken.
Thermal-conducting electric-insulating polyphenyl thioether composite material of the invention, composition and parts by weight are as follows:
Preferably, the weight average molecular weight of the polyphenylene sulfide is 20000-600000, more preferably 40000-
500000。
Preferably, the antioxidant be antioxidant 1010, antioxidant 1098, it is one or more in irgasfos 168.
Preferably, the coupling agent is one of silane coupling agent, titanate coupling agent, aluminate coupling agent or more
The mixture of kind.
It is further preferred that the coupling agent is gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether oxygen propyl front three
Oxysilane, N- (β-aminoethyl)-gamma-aminopropyl-triethoxy-silane, three stearic acid titanate esters of isopropyl, bis- (two octyloxies
Pyrophosphoric acid ester group) one or more of ethylene titanate esters mixture.
Preferably, the toughener is ethylene-methyl acrylate-glyceryl methacrylate copolymer, ethylene-
One of butyl acrylate copolymer, ethylene-octene copolymer grafted maleic anhydride, ternary isopropyl grafting rubbers maleic anhydride
Or several mixture.
Preferably, the partial size of the silicon carbide and boron nitride is 10-50nm.
Preferably, the light stabilizer is UV-6408 or UV-2908.
Preferably, the nucleating agent is one of talcum powder, sodium benzoate, calcium benzoate or a variety of.
The present invention also provides the preparation methods of above-mentioned thermal-conducting electric-insulating polyphenyl thioether composite material, and steps are as follows:
Step 1: press composition and ratio, by polyphenylene sulfide, silicon carbide, carbolic acid, boron nitride, ethylenebisstearamide,
Polyethylene wax, zinc stearate, light stabilizer, antioxidant, coupling agent, toughener and nucleating agent are added in high speed ingredient blender,
It is uniformly mixed, obtains premix；
Step 2: premix is added in extruder, extruding pelletization obtains thermal-conducting electric-insulating polyphenyl thioether composite material.
Preferably, squeezing out processing temperature is 270-300 DEG C.
Compared with the prior art, the invention has the benefit that
Thermal-conducting electric-insulating polyphenyl thioether composite material provided by the invention has excellent thermal conductivity, insulating properties and comprehensive mechanics
Performance, through detecting, after testing, and thermal coefficient 1.23-1.52W/mk, volume resistivity 1016Ω cm is stretched strong
Degree is 126-158MPa, elongation at break 8.2-11.6%, bending strength 189-201MPa.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described below with reference to embodiment, still
It should be appreciated that these descriptions are only further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
Embodiment 1
Thermal-conducting electric-insulating polyphenyl thioether composite material, by 80 parts by weight polyphenylene sulfides, 2 parts by weight silicon carbide, 1 parts by weight stone carbon
Acid, 0.5 parts by weight boron nitride, 2 parts by weight ethylenebisstearamides, 3 weight account polyethylene waxes, 1 parts by weight zinc stearate,
0.1 parts by weight light stabilizer UV-6408,0.5 parts by weight antioxidant 1010,1.5 parts by weight coupling agent gamma-aminopropyl-triethoxys
Silane, 2 parts by weight toughener ethylene-octene copolymer grafted maleic anhydrides and 0.5 parts by weight nucleating agent talcum powder composition.
The preparation method of above-mentioned thermal-conducting electric-insulating polyphenyl thioether composite material, steps are as follows:
Step 1: press composition and ratio, by polyphenylene sulfide, silicon carbide, carbolic acid, boron nitride, ethylenebisstearamide,
Polyethylene wax, zinc stearate, light stabilizer, antioxidant, coupling agent, toughener and nucleating agent are added in high speed ingredient blender,
It is uniformly mixed, obtains premix；
Step 2: premix is added in extruder, extruding pelletization obtains thermal-conducting electric-insulating polyphenyl thioether composite material.
Embodiment 2
Thermal-conducting electric-insulating polyphenyl thioether composite material, by 85 parts by weight polyphenylene sulfides, 3 parts by weight silicon carbide, 2 parts by weight stone carbon
Acid, 1 parts by weight boron nitride, 2 parts by weight ethylenebisstearamides, 3 weight account polyethylene waxes, 2 parts by weight zinc stearates, 0.5
Parts by weight light stabilizer UV-6408,0.85 parts by weight antioxidant 1010,1.2 parts by weight coupling agent gamma-aminopropyl-triethoxy silicon
Alkane, 1.3 parts by weight toughener ethylene-octene copolymer grafted maleic anhydrides and 0.3 parts by weight nucleating agent talcum powder composition.
The preparation method of above-mentioned thermal-conducting electric-insulating polyphenyl thioether composite material, steps are as follows:
Step 1: press composition and ratio, by polyphenylene sulfide, silicon carbide, carbolic acid, boron nitride, ethylenebisstearamide,
Polyethylene wax, zinc stearate, light stabilizer, antioxidant, coupling agent, toughener and nucleating agent are added in high speed ingredient blender,
It is uniformly mixed, obtains premix；
Step 2: premix is added in extruder, extruding pelletization obtains thermal-conducting electric-insulating polyphenyl thioether composite material.
Embodiment 3
Thermal-conducting electric-insulating polyphenyl thioether composite material, by 90 parts by weight polyphenylene sulfides, 4 parts by weight silicon carbide, 3 parts by weight stone carbon
Acid, 1 parts by weight boron nitride, 2.5 parts by weight ethylenebisstearamides, 4 weight account polyethylene waxes, 3 parts by weight zinc stearates,
0.8 parts by weight light stabilizer UV-6408,1 parts by weight antioxidant 1010,1.5 parts by weight coupling agent gamma-aminopropyl-triethoxy silicon
Alkane, 1.5 parts by weight toughener ethylene-octene copolymer grafted maleic anhydrides and 0.5 parts by weight nucleating agent talcum powder composition.
The preparation method of above-mentioned thermal-conducting electric-insulating polyphenyl thioether composite material, steps are as follows:
Step 1: press composition and ratio, by polyphenylene sulfide, silicon carbide, carbolic acid, boron nitride, ethylenebisstearamide,
Polyethylene wax, zinc stearate, light stabilizer, antioxidant, coupling agent, toughener and nucleating agent are added in high speed ingredient blender,
It is uniformly mixed, obtains premix；
Step 2: premix is added in extruder, extruding pelletization obtains thermal-conducting electric-insulating polyphenyl thioether composite material.
Embodiment 4
Thermal-conducting electric-insulating polyphenyl thioether composite material, by 90 parts by weight polyphenylene sulfides, 5 parts by weight silicon carbide, 3 parts by weight stone carbon
Acid, 1.5 parts by weight boron nitride, 4 parts by weight ethylenebisstearamides, 5 weight account polyethylene waxes, 4 parts by weight zinc stearates,
1.5 parts by weight light stabilizer UV-6408,1.5 parts by weight antioxidant 1010s, 1.5 parts by weight coupling agent gamma-aminopropyl-triethoxys
Silane, 2 parts by weight toughener ethylene-octene copolymer grafted maleic anhydrides and 0.5 parts by weight nucleating agent talcum powder composition.
The preparation method of above-mentioned thermal-conducting electric-insulating polyphenyl thioether composite material, steps are as follows:
Step 1: press composition and ratio, by polyphenylene sulfide, silicon carbide, carbolic acid, boron nitride, ethylenebisstearamide,
Polyethylene wax, zinc stearate, light stabilizer, antioxidant, coupling agent, toughener and nucleating agent are added in high speed ingredient blender,
It is uniformly mixed, obtains premix；
Step 2: premix is added in extruder, extruding pelletization obtains thermal-conducting electric-insulating polyphenyl thioether composite material.
To the thermal conductivity of the obtained thermal-conducting electric-insulating polyphenyl thioether composite material of embodiment 1-4, insulating properties and comprehensive performance into
Row detection, wherein the examination criteria of thermal coefficient is that the examination criteria of thermal coefficient is ASTM E1461-01, volume resistivity
Examination criteria be ASTM E1410, according to ASTM D638 measurement resulting product tensile strength, according to ASTM D790 measure
The bending strength of resulting product.
Testing result is as shown in table 1.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. thermal-conducting electric-insulating polyphenyl thioether composite material, which is characterized in that composition and parts by weight are as follows:
2. thermal-conducting electric-insulating polyphenyl thioether composite material according to claim 1, which is characterized in that the weight of the polyphenylene sulfide
Average molecular weight is 20000-600000.
3. thermal-conducting electric-insulating polyphenyl thioether composite material according to claim 1, which is characterized in that the antioxidant is antioxygen
It is agent 1010, antioxidant 1098, one or more in irgasfos 168.
4. thermal-conducting electric-insulating polyphenyl thioether composite material according to claim 1, which is characterized in that the coupling agent is silane
One of coupling agent, titanate coupling agent, aluminate coupling agent or a variety of mixtures.
5. thermal-conducting electric-insulating polyphenyl thioether composite material according to claim 4, which is characterized in that the coupling agent is γ-
Aminopropyl triethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, three second of N- (β-aminoethyl)-γ-aminopropyl
One or more of oxysilane, three stearic acid titanate esters of isopropyl, Di(dioctylpyrophosphato) ethylene titanate
Mixture.
6. thermal-conducting electric-insulating polyphenyl thioether composite material according to claim 1, which is characterized in that the toughener is second
Alkene-methyl acrylate-glycidyl methacrylate copolymer, ethylene-butyl acrylate copolymer, ethylene-octene copolymerization
The mixture of one or more of object grafted maleic anhydride, ternary isopropyl grafting rubbers maleic anhydride.
7. thermal-conducting electric-insulating polyphenyl thioether composite material according to claim 1, which is characterized in that the silicon carbide and nitridation
The partial size of boron is 10-50nm.
8. thermal-conducting electric-insulating polyphenyl thioether composite material according to claim 1, which is characterized in that further include 0.2-1 weight
The light stabilizer of part, light stabilizer are UV-6408 or UV-2908.
9. the preparation method of thermal-conducting electric-insulating polyphenyl thioether composite material described in claim 1-8 any one, which is characterized in that
Steps are as follows:
Step 1: composition and ratio are pressed, by polyphenylene sulfide, silicon carbide, carbolic acid, boron nitride, ethylenebisstearamide, poly- second
Alkene wax, zinc stearate, light stabilizer, antioxidant, coupling agent, toughener and nucleating agent are added in high speed ingredient blender, mixing
Uniformly, premix is obtained；
Step 2: premix is added in extruder, extruding pelletization obtains thermal-conducting electric-insulating polyphenyl thioether composite material.
10. the preparation method of thermal-conducting electric-insulating polyphenyl thioether composite material according to claim 9, which is characterized in that squeeze out
Processing temperature is 270-300 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811006729.4A CN109233279A (en) | 2018-08-31 | 2018-08-31 | Thermal-conducting electric-insulating polyphenyl thioether composite material and preparation method |
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| CN201811006729.4A CN109233279A (en) | 2018-08-31 | 2018-08-31 | Thermal-conducting electric-insulating polyphenyl thioether composite material and preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE212021000411U1 (en) | 2020-12-07 | 2023-03-17 | Zhejiang Nhu Company Ltd. | Reinforced polyphenylene sulfide composite material with high thermal conductivity |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165010A (en) * | 2016-12-07 | 2018-06-15 | 上海杰事杰新材料(集团)股份有限公司 | Low dielectric polyphenyl thioether composite material of a kind of high heat conduction and preparation method thereof |
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- 2018-08-31 CN CN201811006729.4A patent/CN109233279A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165010A (en) * | 2016-12-07 | 2018-06-15 | 上海杰事杰新材料(集团)股份有限公司 | Low dielectric polyphenyl thioether composite material of a kind of high heat conduction and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 胡隆伟等: "《紧固件材料手册》", 31 December 2014 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE212021000411U1 (en) | 2020-12-07 | 2023-03-17 | Zhejiang Nhu Company Ltd. | Reinforced polyphenylene sulfide composite material with high thermal conductivity |
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