CN112143225A - Moisture-resistant, high-temperature-resistant and high-voltage-resistant insulating PA66/PPS (polyphenylene sulfide) reinforced alloy and preparation method thereof - Google Patents
Moisture-resistant, high-temperature-resistant and high-voltage-resistant insulating PA66/PPS (polyphenylene sulfide) reinforced alloy and preparation method thereof Download PDFInfo
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- CN112143225A CN112143225A CN202011077212.1A CN202011077212A CN112143225A CN 112143225 A CN112143225 A CN 112143225A CN 202011077212 A CN202011077212 A CN 202011077212A CN 112143225 A CN112143225 A CN 112143225A
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- 239000004734 Polyphenylene sulfide Substances 0.000 title claims abstract description 46
- 229920000069 polyphenylene sulfide Polymers 0.000 title claims abstract description 46
- 229920002302 Nylon 6,6 Polymers 0.000 title claims abstract description 43
- 239000000956 alloy Substances 0.000 title claims abstract description 21
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims abstract description 19
- 239000007822 coupling agent Substances 0.000 claims abstract description 18
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 12
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 239000011256 inorganic filler Substances 0.000 claims description 6
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 2
- 241001521809 Acoma Species 0.000 claims description 2
- OKOBUGCCXMIKDM-UHFFFAOYSA-N Irganox 1098 Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NCCCCCCNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OKOBUGCCXMIKDM-UHFFFAOYSA-N 0.000 claims description 2
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims description 2
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 10
- 229920005989 resin Polymers 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- UAWGSKRIXWHJTP-UHFFFAOYSA-N dimethoxy-(oxiran-2-ylmethoxymethoxy)-propylsilane Chemical compound CCC[Si](OC)(OC)OCOCC1CO1 UAWGSKRIXWHJTP-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a moisture-resistant high-temperature-resistant high-pressure-resistant insulating PA66/PPS reinforced alloy and a preparation method thereof. Belongs to the field of polymer material. Adding polyhexamethylene adipamide, polyphenylene sulfide and a compatilizer in sequence, then adding a coupling agent, stirring for 3-5 min, adding a filler, alkali-free glass fibers, a composite antioxidant and a dispersing lubricant by using a side feeding system, extruding and granulating by using a double-screw extruder, and finally drying the particles in a drying oven at 100 ℃ for 3-5 h to obtain the target product. The invention adopts the introduction of PPS resin into the PA66 resin, thereby reducing the water absorption of PA66, improving the moisture resistance of PA66 resin, improving the heat resistance and electrical property of PA66 resin, and simultaneously improving the processing property of PPS resin.
Description
Technical Field
The invention relates to the field of high polymer materials, in particular to a moisture-resistant high-temperature-resistant high-pressure-resistant insulating PA66/PPS reinforced alloy and a preparation method thereof.
Background
Polyamide is an engineering plastic with the advantages of high strength, high temperature resistance, excellent processing characteristics, good insulating property and the like, is an excellent insulating material and is often used in the aspects of electronic and electric appliances and the like. However, because PA66 has great hygroscopicity, PA66 has a high dielectric constant in a humid and high-temperature working environment, and the breakdown strength, i.e., the dielectric strength, is extremely low in a water absorption state, so that the PA66 material can only be used in a working environment with a relatively low voltage.
The PPS, a special engineering plastic, has excellent mechanical strength, high temperature resistance and corrosion resistance, has high volume resistivity, is an excellent electric field material due to low water absorption and small influence of environmental humidity on the dielectric property of the PPS, but has the defects of poor melt flowability and difficult processing and forming, and limits the application of the PPS in the aspects of electronic appliances and the like.
Disclosure of Invention
The invention discloses a moisture-resistant high-temperature-resistant high-pressure-resistant insulating PA66/PPS reinforced alloy and a preparation method thereof.
The purpose of the invention can be realized by the following technical scheme:
a moisture-resistant high-temperature-resistant high-pressure-resistant insulating PA66/PPS reinforced alloy comprises the following components in percentage by weight: 20-60 parts of polyhexamethylene adipamide, 1-40 parts of polyphenylene sulfide, 3-10 parts of a compatilizer, 20-45 parts of alkali-free glass fiber, 3-10 parts of a filler, 0.1-0.5 part of a composite antioxidant, 0.3-1 part of a dispersing lubricant and 0.1-0.5 part of a coupling agent.
The technical scheme of the invention is as follows: the alloy comprises the following components in percentage by weight: 20-60 parts of polyhexamethylene adipamide, 1-40 parts of polyphenylene sulfide, 3-10 parts of a compatilizer, 20-45 parts of alkali-free glass fiber, 3-10 parts of a filler, 0.1-0.5 part of a composite antioxidant, 0.3-1 part of a dispersing lubricant and 0.1-0.5 part of a coupling agent.
The technical scheme of the invention is as follows: the mass ratio of the polyhexamethylene adipamide to the polyphenylene sulfide is 1-5: 1-2.
The technical scheme of the invention is as follows: the compatilizer is preferably easy CMG5808, Acoma AX-8900 or POE grafted maleic anhydride W1A of Xiamen Esse plastics science and technology Limited.
The technical scheme of the invention is as follows: the filler is one or more inorganic fillers of talcum powder, calcium carbonate, mica powder and wollastonite.
The technical scheme of the invention is as follows: the composite antioxidant is antioxidant Pasteur Irganox 1098 and Pasteur Irganox 168 in a weight ratio of 1: 2.
The technical scheme of the invention is as follows: the dispersing lubricant is one or more of lubricant ethylene bis stearamide, lubricant modified ethylene bis stearamide and lubricant pentaerythritol stearate.
The technical scheme of the invention is as follows: the coupling agent is one or more of coupling agent aminopropyl triethoxysilane, coupling agent (2, 3-epoxypropoxy) propyl trimethoxysilane and coupling agent vinyl triethoxysilane.
The technical scheme of the invention is as follows: the dispersing lubricant is Italian hair base PETS and TAF with the weight ratio of 1: 1; the coupling agent is KH 560.
The preparation method of the moisture-resistant high-temperature-resistant high-pressure-resistant insulating PA66/PPS reinforced alloy is characterized by comprising the following steps: adding polyhexamethylene adipamide, polyphenylene sulfide and a compatilizer in sequence, then adding a coupling agent, stirring for 3-5 min, adding a filler, alkali-free glass fibers, a composite antioxidant and a dispersing lubricant by using a side feeding system, extruding and granulating by using a double-screw extruder, and finally drying the particles in a drying oven at 100 ℃ for 3-5 h to obtain the target product.
The technical scheme of the invention is as follows: polyhexamethylene adipamide is abbreviated as PA66 and polyphenylene sulfide is abbreviated as PPS.
The invention has the beneficial effects that:
the PPS resin is introduced into the PA66 resin, so that the water absorption rate of PA66 is reduced, the moisture resistance of PA66 resin is improved, the heat resistance and the electrical property of PA66 resin are improved, and the processability of the PPS resin is improved; the mechanical property and the dielectric strength of the material are increased by adding the glass fiber; the inorganic filler is adopted for filling, so that the dielectric strength of the material is improved, the mechanical property of the material is slightly influenced, and appearance problems such as fiber floating and the like are improved; the compatilizer is introduced, so that the interfacial strength of PA66/PPS can be well improved, and the important significance on the improvement of the material strength is achieved; in addition, the polar lubricant enhances the dispersion and mixing among the components, and the silane coupling agent enhances the interface strength among the components, so that the reinforced alloy material prepared by the invention has higher dielectric strength and mechanical property; as can be seen from tables 1-5, the composite material prepared by this method has the advantages of high dielectric strength, high mechanical strength, moisture resistance, etc.
Detailed Description
The invention is further illustrated by the following examples, without limiting the scope of the invention:
the raw materials are shown in the table 1-1:
TABLE 1-1 raw materials and manufacturers
Adding polyhexamethylene adipamide, polyphenylene sulfide and a compatilizer in sequence according to the weight ratio of the comparative examples in the table 1-2, then adding a coupling agent, stirring for 3-5 min, adding a filler, alkali-free glass fibers, a composite antioxidant and a dispersing lubricant by using a side feeding system, extruding and granulating by using a double-screw extruder, and finally drying the particles in a drying oven at 100 ℃ for 4h to obtain the target product. The test specimens were formed by injection molding and the test standards are shown in tables 1 to 4.
TABLE 1-2 comparative examples and material ratios
TABLE 1-3 twin-screw extrusion Process
Tables 1-4 test items and reference standards
As can be seen from the comparative examples and examples shown in tables 1 to 5, the composite material obtained by this method has the advantages of high dielectric strength, high mechanical strength, moisture resistance, etc.
Tables 1-5 physical Properties of comparative examples and examples
Comparing the data in tables 1-5, it can be seen from comparative example 1 and example 1 that after the PPS content is increased, the water absorption of the material is decreased, the mechanical properties are decreased, the dielectric coefficient is decreased, the dielectric strength is increased, the thermal deformation temperature is increased, and the like, and it is proved that the increase of the PPS content can improve the electric resistance, the heat resistance and the water absorption of the material, and the proper PPS content is required because the mechanical properties are decreased; the comparison between the presence and absence of the inorganic filler in the comparison 2 and the comparison in the example 2 proves that the inorganic filler can improve the dielectric strength and reduce the dielectric coefficient of the material, and the addition of the proper inorganic filler can be helpful for improving the electric resistance; compared with the PPS content in the comparative example 3 and the example 3, the PPS content is increased, the mechanical property, the dielectric coefficient and the water absorption rate of the material are reduced, but the dielectric strength and the thermal deformation temperature of the material are increased, and the conclusion is mutually verified with the conclusion obtained in the comparative example 1 and the example 1, the PA66 can increase the strength, the water absorption rate and the dielectric coefficient, the PPS can increase the dielectric strength and the thermal deformation temperature, and the water absorption rate and the dielectric coefficient can be reduced and the dielectric strength can be improved by properly adding the PPS into the PA 66.
Claims (10)
1. A moisture-resistant high-temperature-resistant high-pressure-resistant insulating PA66/PPS reinforced alloy is characterized in that: the alloy comprises the following components in percentage by weight: 20-60 parts of polyhexamethylene adipamide, 1-40 parts of polyphenylene sulfide, 3-10 parts of a compatilizer, 20-45 parts of alkali-free glass fiber, 3-10 parts of a filler, 0.1-0.5 part of a composite antioxidant, 0.3-1 part of a dispersing lubricant and 0.1-0.5 part of a coupling agent.
2. The moisture-resistant, high-temperature-resistant and high-pressure-resistant insulating PA66/PPS reinforced alloy of claim 1, wherein: the alloy comprises the following components in percentage by weight: 20-60 parts of polyhexamethylene adipamide, 1-40 parts of polyphenylene sulfide, 3-10 parts of a compatilizer, 20-45 parts of alkali-free glass fiber, 3-10 parts of a filler, 0.1-0.5 part of a composite antioxidant, 0.3-1 part of a dispersing lubricant and 0.1-0.5 part of a coupling agent.
3. The moisture-resistant, high-temperature-resistant and high-pressure-resistant insulating PA66/PPS reinforced alloy of claim 1, wherein: the mass ratio of the polyhexamethylene adipamide to the polyphenylene sulfide is 1-5: 1-2.
4. The moisture-resistant, high-temperature-resistant and high-pressure-resistant insulating PA66/PPS reinforced alloy of claim 1, wherein: the compatilizer is preferably easy CMG5808, Acoma AX-8900 or POE grafted maleic anhydride W1A of Xiamen Esse plastics science and technology Limited.
5. The moisture-resistant, high-temperature-resistant and high-pressure-resistant insulating PA66/PPS reinforced alloy of claim 1, wherein: the filler is one or more inorganic fillers of talcum powder, calcium carbonate, mica powder and wollastonite.
6. The moisture-resistant, high-temperature-resistant and high-pressure-resistant insulating PA66/PPS reinforced alloy of claim 1, wherein: the composite antioxidant is antioxidant Pasteur Irganox 1098 and Pasteur Irganox 168 in a weight ratio of 1: 2.
7. The moisture-resistant, high-temperature-resistant and high-pressure-resistant insulating PA66/PPS reinforced alloy of claim 1, wherein: the dispersing lubricant is one or more of lubricant ethylene bis stearamide, lubricant modified ethylene bis stearamide and lubricant pentaerythritol stearate.
8. The moisture-resistant high-temperature-resistant high-pressure-resistant insulating PA66/PPS reinforced alloy as claimed in claim 1, wherein the coupling agent is one or more of aminopropyltriethoxysilane as a coupling agent, 2, 3-glycidoxy propyltrimethoxysilane as a coupling agent and vinyltriethoxysilane as a coupling agent.
9. The reinforced PA66/PPS alloy as claimed in claim 7 or 8, wherein the dispersed lubricant is Italian hair-based PETS and TAF at a weight ratio of 1: 1; the coupling agent is KH 560.
10. The preparation method of the moisture-resistant, high-temperature-resistant and high-pressure-resistant insulating PA66/PPS reinforced alloy according to any one of claims 1 to 8, which is characterized by comprising the following steps: adding polyhexamethylene adipamide, polyphenylene sulfide and a compatilizer in sequence, then adding a coupling agent, stirring for 3-5 min, adding a filler, alkali-free glass fibers, a composite antioxidant and a dispersing lubricant by using a side feeding system, extruding and granulating by using a double-screw extruder, and finally drying the particles in a drying oven at 100 ℃ for 3-5 h to obtain the target product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077212.1A CN112143225A (en) | 2020-10-10 | 2020-10-10 | Moisture-resistant, high-temperature-resistant and high-voltage-resistant insulating PA66/PPS (polyphenylene sulfide) reinforced alloy and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077212.1A CN112143225A (en) | 2020-10-10 | 2020-10-10 | Moisture-resistant, high-temperature-resistant and high-voltage-resistant insulating PA66/PPS (polyphenylene sulfide) reinforced alloy and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112143225A true CN112143225A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011077212.1A Pending CN112143225A (en) | 2020-10-10 | 2020-10-10 | Moisture-resistant, high-temperature-resistant and high-voltage-resistant insulating PA66/PPS (polyphenylene sulfide) reinforced alloy and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112143225A (en) |
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2020
- 2020-10-10 CN CN202011077212.1A patent/CN112143225A/en active Pending
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