CN104693800A - Impact-resistant conductive PPS/LCP composite material and preparation method thereof - Google Patents
Impact-resistant conductive PPS/LCP composite material and preparation method thereof Download PDFInfo
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- CN104693800A CN104693800A CN201310654404.8A CN201310654404A CN104693800A CN 104693800 A CN104693800 A CN 104693800A CN 201310654404 A CN201310654404 A CN 201310654404A CN 104693800 A CN104693800 A CN 104693800A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The invention discloses an impact-resistant conductive PPS/LCP composite material. The impact-resistant conductive PPS/LCP composite material is prepared from 40-50 parts by weight of PPS, 10-20 parts by weight of LCP, 5-15 parts by weight of a flexibilizer, 15-25 parts by weight of carbon black and 1.5-3.8 parts by weight of an assistant. The preparation method comprises the following steps of blending 40-50 parts by weight of PPS, 10-20 parts by weight of LCP, 5-15 parts by weight of a flexibilizer and 1.5-3.8 parts by weight of an assistant to obtain a uniform mixture, pouring the mixture into a double screw extruder from a main feeding inlet, feeding 15-25 parts by weight of carbon black into the double screw extruder from a side feeding inlet, carrying out drawing and grain-sized dicing by the double screw extruder to obtain the impact-resistant conductive PPS/LCP composite material. The impact-resistant conductive PPS/LCP composite material has the characteristics of good mechanical properties, good stability, processing easiness and good shock resistance and is suitable for packages of precision and advanced products such as electronic and electric products and military products.
Description
Technical field
The invention belongs to technical field of polymer materials, relate to a kind of impact-resistant conduction PPS/LCP matrix material and preparation method thereof.
Background technology
Polyphenylene sulfide (PPS) be phenyl ring in molecular chain contraposition on be directly connected with sulphur atom and the linear rigid structure formed, degree of crystallinity is higher, has dimensional stability and rigidity; Be described as the sixth-largest general engineering plastic after five large general engineering plastic, be the special engineering plastics that cost performance is higher, share of market reaches about 20%.But phenylene sulfide structural determines its hard and crisp shortcoming.
Liquid crystalline polymers (LCP) is the crystalline material of molten state, has extraordinary mobility, chemical stability, physical strength, electrical insulating property and thermostability.But LCP is used alone, also there is rigidity, intensity, the shortcoming that thermotolerance is poor.
By PPS and LCP compound, can complementary shortcoming, embody separately performance preferably, thus it is good to obtain processing characteristics, the matrix material that resistance toheat is good, is widely used in every field.But this matrix material still also exists poor toughness, the shortcoming of antistatic property deficiency.
It is carbon black by plastics and conduction that existing conductive plastics mainly forms, and carbon nanotube or carbon fiber and multiple additives are composited.It is little that carbon fiber and carbon nanotube have consumption, affect the features such as little, but compared with carbon black, its cost exceeds a lot on material property; Main still based on carbon black in the market.But a large amount of carbon blacks adds also can exist certain influence to its performance.Particularly to the impact property of material.Therefore while meeting material conductivity, improve Impact Properties of Materials become the problem that this materials application must solve.
Summary of the invention
In order to overcome above-mentioned prior art Problems existing, the object of this invention is to provide a kind of impact-resistant conduction PPS/LCP matrix material and preparation method thereof.It is good that material of the present invention has mechanical property, and stability is good, and be easy to processing, the features such as shock resistance is good, are applicable to electronic apparatus, the packing material of the high, refined, peak products such as military project.
To achieve these goals, the present invention is by the following technical solutions:
The invention provides a kind of impact-resistant conduction PPS/LCP matrix material, be made up of the component comprising following weight part:
Described auxiliary agent comprises lubricant 0.5 ~ 1 part, epoxy resin 0.5 ~ 0.8 part and coupling agent 0.5 ~ 2 part.
Described lubricant is selected from the polymer processing aids of structure based on fluoro containing polymers polymkeric substance that silicone or PPA(3M company produce) in one or both mixture.
Described epoxy resin is E51 epoxy resin.
Described coupling agent is one or more in silane coupling agent or titanate coupling agent.
Described silane coupling agent is 3-aminopropyl triethoxysilane.
Described titanate coupling agent is sec.-propyl three oleic acid acyloxy titanic acid ester.
Described toughner is ethylene-acrylate-glycidyl acrylate terpolymer (AX5900) (Arkema's production).
Described carbon black refer to DBP absorbed dose 100 ~ 150 graphitized carbon black.
Present invention also offers a kind of preparation method of above-mentioned impact-resistant conduction PPS/LCP matrix material, comprise the following steps:
By PPS40 ~ 50 part, LCP10 ~ 20 part, toughner 5 ~ 15 parts and auxiliary agent 1.5 ~ 3.8 parts mix, then mixture is poured into twin-screw extrusion owner spout, again 15 ~ 25 parts of carbon blacks are entered twin screw extruder through side feeding, obtain impact-resistant conduction PPS/LCP matrix material through the pelletizing of twin screw extruder tie rod.
Described mixing is carried out in high mixer, and rotating speed is 500 ~ 1000rpm, normal temperature, and mixing time is 3 ~ 6min.
The extrusion temperature of described twin screw extruder is 270 ~ 310 DEG C.
Compared with prior art, the present invention has the following advantages and beneficial effect:
1, impact-resistant conduction PPS/LCP matrix material provided by the invention, polyphenylene sulfide and liquid crystalline polymers make up for each other's deficiencies and learn from each other, both toughness and the crystallization rate of PPS had been improved, turn improve intensity and the rigidity of LCP, thus there is excellent over-all properties, this material adding by carbon black, make it have good conductivity, by adding reactive toughening agent, make it have higher toughness, and carbon black is added by side feeding, carbon black can be made to be uniformly dispersed in the material, reduce and reunite, material self performance is not affected by excessive; Thus make this kind of material have electroconductibility, high tenacity.
2, to have mechanical property good for material of the present invention, and stability is good; Be easy to processing, the features such as shock resistance is good, are applicable to electronic apparatus, the packing material of the high, refined, peak products such as military project.
3, conduction PPS/LCP matrix material provided by the invention has high strength, high tenacity and surface resistivity can reach 10
4~ 10
6Ω; The interpolation of epoxy resin can make inorganics and PPS/LCP adhesivity stronger, plays inorganics and the effect of PPS/LCP compatilizer, thus material mechanical performance is improved; Not only ethylene-acrylate-glycidyl acrylate terpolymer can be used as the toughner in matrix material but also can be used as compatilizer use, itself and PPS, LCP have good consistency also to have good elasticity simultaneously.
Embodiment
Below in conjunction with embodiment, the present invention is further detailed explanation.
Lubricant PPA in the following example is the polymer processing aids of structure based on the fluoro containing polymers polymkeric substance produced of 3M company.All according to ASTM standard testing to the testing standard of product in following examples.
Below carbon black used refer to DBP absorbed dose 100 ~ 150 graphitized carbon black.
Embodiment 1
(1) by 50 parts of PPS, 13 parts of LCP, 0.8 part of PPA, 12 parts of toughner ethylene-acrylate-glycidyl acrylate terpolymers, E51 epoxy resin 0.5 part, silane coupling agent 3-aminopropyl triethoxysilane 2 parts uses high mixer high-speed mixing, and rotating speed is 500rpm, normal temperature, mixing time is 6min;
(2) compound that step (1) is mixed to get is poured into twin-screw extrusion owner spout, again 25 parts of carbon blacks are sent into forcing machine through side feeding, control extruder temperature at 270-310 DEG C, mixture can be obtained a kind of impact-resistant conduction PPS/LCP matrix material through the pelletizing of twin screw extruder tie rod, and the test of product correlated performance is in table 1.
Embodiment 2
(1) by 50 parts of PPS, 20 parts of LCP, 0.7 part of lubricant silicone, 15 parts of toughner ethylene-acrylate-glycidyl acrylate terpolymers, E51 epoxy resin 0.7 part, titanate coupling agent sec.-propyl three oleic acid acyloxy titanic acid ester 0.5 part uses high mixer high-speed mixing, and rotating speed is 1000rpm, normal temperature, mixing time is 3min;
(2) compound that step (1) is mixed to get is poured into twin-screw extrusion owner spout, again 15 parts of carbon blacks are sent into forcing machine from side feeding, control extruder temperature at 270-310 DEG C, mixture can be obtained a kind of impact-resistant conduction PPS/LCP matrix material through the pelletizing of twin screw extruder tie rod, and the test of product correlated performance is in table 1.
Embodiment 3
(1) by 45 parts of PPS, 20 parts of LCP, 1 part of lubricant silicone, 15 parts of toughner ethylene-acrylate-glycidyl acrylate terpolymers, E51 epoxy resin 0.5 part, 1 part of silane coupling agent 3-aminopropyl triethoxysilane high mixer high-speed mixing, rotating speed is 500rpm, normal temperature, mixing time is 6min;
(2) compound that step (1) is mixed to get is poured into twin-screw extrusion owner spout, again 20 parts of carbon blacks are sent into forcing machine from side feeding, control extruder temperature at 270-310 DEG C, mixture can be obtained a kind of impact-resistant conduction PPS/LCP matrix material through the pelletizing of twin screw extruder tie rod, and the test of product correlated performance is in table 1.
Embodiment 4
(1) by 40 parts of PPS, 20 parts of LCP, 1 part of lubricant silicone, 15 parts of toughner ethylene-acrylate-glycidyl acrylate terpolymers, E51 epoxy resin 0.8 part, titanate coupling agent sec.-propyl three oleic acid acyloxy titanic acid ester 1.2 parts uses high mixer high-speed mixing, and rotating speed is 900rpm, normal temperature, mixing time is 5min;
(2) compound that step (1) is mixed to get is poured into twin-screw extrusion owner spout, again 25 parts of carbon blacks are sent into forcing machine from side feeding, control extruder temperature at 270-310 DEG C, mixture can be obtained a kind of impact-resistant conduction PPS/LCP matrix material through the pelletizing of twin screw extruder tie rod, and the test of product correlated performance is in table 1.
Embodiment 5
(1) by 50 parts of PPS, 10 parts of LCP, 0.5 part of lubricant PPA, 15 parts of toughner ethylene-acrylate-glycidyl acrylate terpolymers, E51 epoxy resin 0.5 part, silane coupling agent 3-aminopropyl triethoxysilane 0.5 part uses high mixer high-speed mixing, and rotating speed is 1000rpm, normal temperature, mixing time is 6min;
(2) compound that step (1) is mixed to get is poured into twin-screw extrusion owner spout, again 25 parts of carbon blacks are sent into forcing machine from side feeding, control extruder temperature at 270-310 DEG C, can be obtained by mixture through the pelletizing of twin screw extruder tie rod, the test of product correlated performance is in table 1.
Embodiment 6
(1) by 50 parts of PPS, 20 parts of LCP, 1 part of lubricant PPA, 5 parts of toughner ethylene-acrylate-glycidyl acrylate terpolymers, E51 epoxy resin 0.8 part, silane coupling agent 3-aminopropyl triethoxysilane 2 parts uses high mixer high-speed mixing, and rotating speed is 1000rpm, normal temperature, mixing time is 6min;
(2) compound that step (1) is mixed to get is poured into twin-screw extrusion owner spout, again 25 parts of carbon blacks are sent into forcing machine from side feeding, control extruder temperature at 270-310 DEG C, can be obtained by mixture through the pelletizing of twin screw extruder tie rod, the test of product correlated performance is in table 1.
Table 1
| Embodiment | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Tensile strength MPa | 61 | 69 | 76 | 65 | 70 | 72 |
| Simply supported beam notched Izod impact strength KJ/m 2 | 20 | 23 | 25 | 20 | 23 | 13 |
| Simply supported beam unnotched impact strength KJ/m 2 | 85 | 90 | 105 | 89 | 91 | 80 |
| Surface resistivity Ω | 10 4 | 10 6 | 10 5 | 10 4 | 10 4 | 10 4 |
Can be found out by the data of table 1, the one that the embodiment of the present invention provides impact-resistant conduction PPS/LCP matrix material, polyphenylene sulfide and liquid crystalline polymers make up for each other's deficiencies and learn from each other, both toughness and the crystallization rate of PPS had been improved, turn improve intensity and the rigidity of LCP, thus there is excellent over-all properties, this material adding by carbon black, make it have good conductivity, by adding reactive toughening agent, make it have higher toughness, and carbon black is added by side feeding, carbon black can be made to be uniformly dispersed in the material, reduce and reunite, material self performance is not affected by excessive.Thus make this kind of material have electroconductibility, high tenacity, can electronic apparatus be widely used in, in the wrapping material of the high-end products such as military project.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (10)
1. an impact-resistant conduction PPS/LCP matrix material, is characterized in that: be made up of the component comprising following weight part:
2. impact-resistant conduction PPS/LCP matrix material according to claim 1, is characterized in that: described auxiliary agent comprises lubricant 0.5 ~ 1 part, epoxy resin 0.5 ~ 0.8 part and coupling agent 0.5 ~ 2 part.
3. impact-resistant conduction PPS/LCP matrix material according to claim 2, is characterized in that: described lubricant is selected from one or both the mixture in silicone or PPA;
Or described epoxy resin is E51 epoxy resin;
Or described coupling agent is one or more in silane coupling agent or titanate coupling agent.
4. impact-resistant conduction PPS/LCP matrix material according to claim 3, is characterized in that: described silane coupling agent is 3-aminopropyl triethoxysilane.
5. impact-resistant conduction PPS/LCP matrix material according to claim 3, is characterized in that: described titanate coupling agent is sec.-propyl three oleic acid acyloxy titanic acid ester.
6. impact-resistant conduction PPS/LCP matrix material according to claim 1, is characterized in that: described toughner is ethylene-acrylate-glycidyl acrylate terpolymer.
7. impact-resistant conduction PPS/LCP matrix material according to claim 1, is characterized in that: described carbon black refer to DBP absorbed dose 100 ~ 150 graphitized carbon black.
8. a preparation method for the arbitrary described impact-resistant conduction PPS/LCP matrix material of claim 1 to 7, is characterized in that: comprise the following steps:
By PPS40 ~ 50 part, LCP10 ~ 20 part, toughner 5 ~ 15 parts and auxiliary agent 1.5 ~ 3.8 parts mix, then mixture is poured into twin-screw extrusion owner spout, again 15 ~ 25 parts of carbon blacks are entered twin screw extruder through side feeding, obtain impact-resistant conduction PPS/LCP matrix material through the pelletizing of twin screw extruder tie rod.
9. the preparation method of impact-resistant conduction PPS/LCP matrix material according to claim 8, is characterized in that: described in mix be carry out in high mixer, rotating speed is 500 ~ 1000rpm, normal temperature, and mixing time is 3 ~ 6min.
10. the preparation method of impact-resistant conduction PPS/LCP matrix material according to claim 8, is characterized in that: the extrusion temperature of described twin screw extruder is 270 ~ 310 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310654404.8A CN104693800A (en) | 2013-12-05 | 2013-12-05 | Impact-resistant conductive PPS/LCP composite material and preparation method thereof |
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| CN201310654404.8A CN104693800A (en) | 2013-12-05 | 2013-12-05 | Impact-resistant conductive PPS/LCP composite material and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216652A (en) * | 2017-05-09 | 2017-09-29 | 常州德毅新材料科技有限公司 | A kind of anti-high voltage polyphenyl thioether material and preparation method thereof |
| CN112694752A (en) * | 2020-12-24 | 2021-04-23 | 珠海万通特种工程塑料有限公司 | High-performance antistatic PPS composite material and preparation method and application thereof |
| CN112940504A (en) * | 2021-02-03 | 2021-06-11 | 河源市皓吉达通讯器材有限公司 | Method for reducing refractive index of optical channel material of camera |
| CN116355362A (en) * | 2023-02-14 | 2023-06-30 | 创合新材料科技江苏有限公司 | High-performance low-warpage glass fiber reinforced liquid crystal high-molecular polymer and preparation method and application thereof |
-
2013
- 2013-12-05 CN CN201310654404.8A patent/CN104693800A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216652A (en) * | 2017-05-09 | 2017-09-29 | 常州德毅新材料科技有限公司 | A kind of anti-high voltage polyphenyl thioether material and preparation method thereof |
| CN112694752A (en) * | 2020-12-24 | 2021-04-23 | 珠海万通特种工程塑料有限公司 | High-performance antistatic PPS composite material and preparation method and application thereof |
| CN112940504A (en) * | 2021-02-03 | 2021-06-11 | 河源市皓吉达通讯器材有限公司 | Method for reducing refractive index of optical channel material of camera |
| CN116355362A (en) * | 2023-02-14 | 2023-06-30 | 创合新材料科技江苏有限公司 | High-performance low-warpage glass fiber reinforced liquid crystal high-molecular polymer and preparation method and application thereof |
| CN116355362B (en) * | 2023-02-14 | 2023-09-26 | 创合新材料科技江苏有限公司 | High-performance low-warpage glass fiber reinforced liquid crystal high-molecular polymer and preparation method and application thereof |
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