CN102775705B - Polymer-matrix composite material and preparation method thereof - Google Patents

Polymer-matrix composite material and preparation method thereof Download PDF

Info

Publication number
CN102775705B
CN102775705B CN201210182048.XA CN201210182048A CN102775705B CN 102775705 B CN102775705 B CN 102775705B CN 201210182048 A CN201210182048 A CN 201210182048A CN 102775705 B CN102775705 B CN 102775705B
Authority
CN
China
Prior art keywords
metal
powder
passivation
particle
polymer matrix
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201210182048.XA
Other languages
Chinese (zh)
Other versions
CN102775705A (en
Inventor
汪宏
周永存
向锋
喻科
王鲁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Jiaotong University
Original Assignee
Xian Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Jiaotong University filed Critical Xian Jiaotong University
Priority to CN201210182048.XA priority Critical patent/CN102775705B/en
Publication of CN102775705A publication Critical patent/CN102775705A/en
Application granted granted Critical
Publication of CN102775705B publication Critical patent/CN102775705B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a polymer-matrix composite material and a preparation method thereof, which belong to the technical field of preparation of electronic composite materials. The composite material is prepared from metal passivation fillers and polymer materials with different shapes, wherein the fillers are metal passivation particles and fibrous or platy metal with two grain sizes, which are matched with each other at a certain proportion, and according to the formula, the volume ratio of polymer is that the metal filler accounts for 1%-50% and the polymer accounts for 50%-99%. The composite material prepared from the metal passivation fillers with the different shapes and the polymer matrix has the advantages of high heat conductivity, low dielectric constant, low dielectric loss and the like. The preparation method has the characteristics of low heat treatment temperature, low cost and environment friendliness, and also has the characteristics of being simple to operate and suitable for industrial production.

Description

A kind of polymer matrix composite and preparation method thereof
Technical field
The invention belongs to electron recombination technical field of material, particularly a kind ofly adopt difform metal as polymer matrix composite of filler and preparation method thereof.
Background technology
Thermally conductive material is widely used in the fields such as heat exchange engineering, heating engineering, Electronics and Information Engineering.For a long time, general choice metallic substance uses as thermally conductive material.Its range of application is limited due to the corrosion resistance difference of metallic substance.In order to improve the resistance to corrosion of metal, have employed alloy technology, corrosion protection coating technology etc., but greatly reducing its capacity of heat transmission.In the last few years, some fields had higher requirements to material conducts heat performance, as heat exchange engineering, electromagnetic shielding, electronic information, friction materials etc., took thermal conductive polymer as base material, had caused the attention of investigator.But the thermal conductivity of polymkeric substance is little, expand its application in heat conduction field, improving heat conductivility is key problem in technology.
Metallic substance filled polymer base heat-conductive composite material has good heat conductivility.Many major companies, research institution in the world, as: du pont company, IBM Corporation, the University of Pennsylvania, Mitsubishi main body chemical company, BASF Corp. of Germany etc. have all carried out research and the product development of this respect, and obtain remarkable progress.
By literature search, not yet find that there is the document and patent that duplicate with the present invention, some documents related to the present invention retrieved and patent, mainly improve the report of the dielectric properties of material with the aluminium powder of surface passivation layer for filler compound, do not find to change any report that metallic stuffing shape improves heat conductivity and dielectric properties.Below the reference related to the present invention that retrieves of applicant and patent:
1.J.W.Xu,C.P.Wong,Appl.Phys.Lett.87,082907(2005);
2. Wang Hong, Zhou Yongcun, Xiang Feng, Li Kecheng, analogy section, Chen Huiru, polymer matrix composite and preparation method thereof, application number: 201110054346.6 application publication numbers: CN 102181168A.
Summary of the invention
The object of the present invention is to provide a kind of polymer matrix composite and preparation method thereof, the method improves thermal conductivity and the dielectric properties of prepared polymer matrix composite by changing filler shape.
For achieving the above object, present invention employs following technical scheme.
A kind of polymer matrix composite, this matrix material by volume mark is made up of the metallic stuffing of 1 ~ 50% and the polymeric matrix of 50 ~ 99%, described metallic stuffing comprises metal passivation particle and fibrous metal or sheet metal, and the mass ratio of metal passivation particle and fibrous metal or sheet metal is 1: 1.
Described metal passivation particle comprises the metal passivation particle of micron grain size and the metal passivation particle of nanometer particle size, the volume ratio of the metal passivation particle of micron grain size and the metal passivation particle of nanometer particle size is 5 ~ 30: 1, the diameter of the metal passivation particle of micron grain size is 1 ~ 19 μm, the diameter of the metal passivation particle of nanometer particle size is 10 ~ 90nm, the length of fibrous metal is 3mm, diameter is 50 μm ~ 1mm, and the area of sheet metal is 3 ~ 5mm × 3 ~ 5mm, thickness is 1 ~ 9 μm.
Described metal passivation particle will have passivation properties and the powder of metal as Al, Fe, Cr, Mo, Ni, Co, Ta, Nb or W etc. of the excellent property such as heat conduction, conduction is prepared from after utilizing strong oxidizer oxidation style or the passivation of air heating oxidation style, strong oxidizer is the vitriol oil, nitric acid, chloric acid, acid iodide, potassium bichromate or potassium permanganate etc., and fibrous metal or sheet metal adopt aluminium, copper, iron or silvery standby.
Described polymeric matrix is the polymer materials with good dielectric properties, as poly(vinylidene fluoride) (PVDF) or its multipolymer ([P (VDF-TrFE)], [P (VDF-TrFE-CFE)]), polypropylene (PP), polyethylene (PE), polypropylene methyl acid methyl esters (PMMA), epoxy resin (Epoxy) or polyimide (PI) etc.
The complex method of described metallic stuffing and polymeric matrix comprises admixture of powder method, solution method or pressure sintering etc.
Prepare a method for above-mentioned polymer matrix composite, comprise the following steps:
Step one: metal-powder is broken for micron metal powder and nano metal powder respectively;
Step 2: utilize air heating oxidation style to carry out passivation respectively micron metal powder and nano metal powder, obtains the metal passivation particle of micron grain size and nanometer particle size;
Step 3: adopt mechanical cutting prepare length is 3mm, diameter is 50 μm ~ 1mm fibrous metal or prepare the sheet metal that area is 3 ~ 5mm × 3 ~ 5mm, thickness is 1 ~ 9 μm;
Step 4: the metal passivation particle of micron grain size and nanometer particle size is immersed in organic solvent respectively, then the coupling agent of organic solvent quality 1 ~ 2.5% is added, after adding coupling agent, supersound process makes the uniform coated one deck coupling agent of metal passivation particle surface, carries out dry evaporative removal organic solvent after supersound process;
Step 5: after step 4 by the metal passivation particle of micron grain size and nanometer particle size according to the volume ratio mixing of 5 ~ 30: 1, take and the fibrous metal of the quality such as mixed metal passivation particle or sheet metal;
Step 6: after step 5, mixed metal passivation particle is mixed to obtain mixture with polymeric matrix, will put into the hot-forming i.e. obtained polymer matrix composite of mould after mixture and fibrous metal or sheet metal compound.
Described metal-powder is the powder of aluminium, chromium, nickel, iron or molybdenum, and the step of described air heating oxidation style is: in metal-powder, pass into oxygen, then at 120 DEG C dry 3 ~ 5 hours.
Described organic solvent is dehydrated alcohol, and coupling agent is silane coupling agent.
In described polymer matrix composite, the volume fraction of polymeric matrix is 50%.
Described hot-forming condition is: temperature is 200 DEG C, and pressure is 50MPa, and the time is 25 minutes.
The invention has the beneficial effects as follows:
The present invention improves polymer matrix composite thermal conductivity and dielectric properties by changing filler shape.In concrete enforcement, oxidation style is used to realize surface of metal particles passivation, thus form the metal oxide film of one deck densification, the micron powder of this metal passivation particle and nanoscale powder are mixed with the metal passivation powder of size collocation, it is mixed with polymer matrix material, then add and the threadiness of the quality such as hybrid metal passivation powder or sheet metal, adopt recombining process to prepare the matrix material of polymer-based carbon.
The present invention makes the thermal conductivity of matrix material and specific inductivity be improved significantly by using difform metal as filler, and the dielectric loss of matrix material still remains on lower level, the thermal conductivity of matrix material and dielectric properties are made to obtain complex optimum; The preparation method preparation technology of polymer matrix composite of the present invention is simple, ripe, and cost is low, and processing parameter is convenient to control, and easily realizes by laboratory small-scale production to large industrial transition.
Accompanying drawing explanation
Fig. 1 is the Photomicrograph adding the Al passivation particle/PVDF composite sample of sheet metal Al prepared by embodiment 1;
Fig. 2 is the Changing Pattern (test frequency: 0.1kHz-1MHz) of composite sample dielectric properties with frequency of embodiment 1 preparation;
Fig. 3 is that the average thermal conductivity value of matrix material prepared by different shapes filler compares.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.It is pointed out that, according to technical scheme of the present invention, the present invention is not limited to following embodiment, those skilled in the art can make some nonessential improvement and adjustment according to following content to the present invention, all can reach object of the present invention.
Embodiment 1:
What the present embodiment provided take PVDF as matrix, be that metal and the metal passivation particle of sheet prepares filler with shape, prepare polymer matrix composite, metallic stuffing and PVDF in matrix material, convert according to volume fraction each 50% and weigh, its preparation comprises the following steps:
1) get metallic aluminium powder particle, be pure aluminium powder simple substance through XRD test, not containing other impurity, metallic aluminium powder particle be broken into respectively the micron order of particle diameter at about 10 μm and nano level two kinds of powders of about 50nm;
2) get the micro-sized metal powder 10g after fragmentation, to pass into after appropriate oxygen at 120 DEG C dry 3 hours, cross 120 mesh sieves make dry after the metal-powder dispersion of caking, obtain micron order metallic aluminium powder passivation of uniform size powder;
3) with step 2, the metallic aluminium powder passivation powder of nanoscale size is obtained;
4) metal aluminium flake is made into 5mm × 5mm, thickness is about the sheet of 5 μm;
5) coupling agent treatment: the dehydrated alcohol other aluminium powder passivation powder of two kinds of grain-size grades being put into respectively 10g, then add the Silane coupling agent KH550 of dehydrated alcohol quality 2.5% and process 1 hour under ultrasonic power 500W, make coated one deck coupling agent of aluminium powder passivation powder surface uniform, after supersound process, carry out drying with evaporative removal dehydrated alcohol in 80 DEG C;
6) by the aluminium powder passivation powder of two kinds of ranks through coupling agent treatment according to 20: 1(micron order: nano level=20: 1) volume ratio mixing, then the flaky aluminum metal (5mm × 5mm, thickness is about 5 μm) of the weight such as weighing and mixed aluminium powder passivation powder;
7) through step 6), mixed aluminium powder passivation powder and PVDF are mixed into uniform powder, by the flaky aluminum metal of powder and weighing according to 2-3 composite structure compound, then mould hot pressing on press is inserted, hot pressing temperature is 200 DEG C, pressure is 50MPa, and the time is 25 minutes, can obtain the matrix material of the 2-3 composite structure of the Al/PVDF adding aluminium flake after hot-forming.
The present embodiment is coupling agent with KH550, and using dehydrated alcohol as solvent, selection aluminium powder and shape are the metal of sheet is filler, and selection PVDF is polymkeric substance, prepares the matrix material of the 2-3 composite structure of flaky aluminum metal/aluminium powder passivation powder filler/PVDF.
As shown in Figure 1, the dielectric properties of matrix material and the relation of frequency are as shown in Figure 2 for the micrograph of this composite sample.
The relative permittivity of the material of this sheet metal Al passivation/PVDF 2-3 composite structure is 24.5(1MHz), dielectric loss tan δ presents stable, is about 0.015(1MHz).And thermal conductivity maximum value is up to 11.81W/ (mK), far above the thermal conductivity 3.258W/ (mK) of Al powder/PVDF matrix material.Visible, after adding sheet metal, the thermal conductivity of matrix material and dielectric properties are obviously improved.
Embodiment 2:
What the present embodiment provided take PVDF as matrix, be that fibrous aluminum metal and metal passivation particle prepare filler with shape, prepare polymer matrix composite, metallic stuffing and PVDF in matrix material, convert according to volume fraction each 50% and weigh, its preparation comprises the following steps:
1) get metallic aluminium powder particle, be pure aluminium powder simple substance through XRD test, not containing other impurity, metallic aluminium powder particle be broken into respectively the micron order of particle diameter at about 10 μm and nano level two kinds of powders of about 50nm;
2) get the micro-sized metal powder 10g after fragmentation, to pass into after appropriate oxygen at 120 DEG C dry 4 hours, cross 120 mesh sieves make dry after the metal-powder dispersion of caking, obtain micron order metallic aluminium powder passivation of uniform size powder;
3) with step 2, the metallic aluminium powder passivation powder of nanoscale size is obtained;
4) metal aluminium flake is made into diameter 1mm, length is about the threadiness (bar-shaped) of 3mm;
5) coupling agent treatment: the dehydrated alcohol other aluminium powder passivation powder of two kinds of grain-size grades being put into respectively 10g, then add the Silane coupling agent KH550 of dehydrated alcohol quality 1% and process 1 hour under ultrasonic power 500W, make coated one deck coupling agent of aluminium powder passivation powder surface uniform, after supersound process, carry out drying with evaporative removal dehydrated alcohol in 80 DEG C;
6) by the aluminium powder passivation powder of two kinds of ranks through coupling agent treatment according to 20: 1(micron order: nano level=20: volume ratio mixing 1), then weighs the fibrous aluminum metal with the weight such as mixed aluminium powder passivation powder;
7) through step 6), mixed aluminium powder passivation powder and PVDF are mixed into uniform powder, by the fibrous aluminum metal of powder and weighing according to 1-3 composite structure compound, then mould hot pressing on press is inserted, hot pressing temperature is 200 DEG C, pressure is 50MPa, and the time is 25 minutes, can obtain the matrix material of the 1-3 composite structure of the Al/PVDF adding aluminium bar after hot-forming.
Embodiment 3:
What the present embodiment provided take PI as matrix, be that metal and the metal passivation particle of sheet prepares filler with shape, prepare polymer matrix composite, metallic stuffing and PI in matrix material, convert according to volume fraction each 50% and weigh, its preparation comprises the following steps:
1) get metallic aluminium powder particle, be pure aluminium powder simple substance through XRD test, not containing other impurity, metallic aluminium powder particle be broken into respectively the micron order of particle diameter at about 10 μm and nano level two kinds of powders of about 50nm;
2) get the micro-sized metal powder 10g after fragmentation, to pass into after appropriate oxygen at 120 DEG C dry 5 hours, cross 120 mesh sieves make dry after the metal-powder dispersion of caking, obtain micron order metallic aluminium powder passivation of uniform size powder;
3) with step 2, the metallic aluminium powder passivation powder of nanoscale size is obtained;
4) metal aluminium flake is made into 5mm × 5mm, thickness is about the sheet of 5 μm;
5) coupling agent treatment: the dehydrated alcohol other aluminium powder passivation powder of two kinds of grain-size grades being put into respectively 10g, then add the Silane coupling agent KH550 of dehydrated alcohol quality 2.5% and process 1 hour under ultrasonic power 500W, make coated one deck coupling agent of aluminium powder passivation powder surface uniform, after supersound process, carry out drying with evaporative removal dehydrated alcohol in 80 DEG C;
6) by the aluminium powder passivation powder of two kinds of ranks through coupling agent treatment according to 20: 1(micron order: nano level=20: 1) volume ratio mixing, then the flaky aluminum metal (5mm × 5mm, thickness is about 5 μm) of the weight such as weighing and mixed aluminium powder passivation powder;
7) through step 6), mixed aluminium powder passivation powder and PI are mixed into uniform powder, by the flaky aluminum metal of powder and weighing according to 2-3 composite structure compound, then mould hot pressing on press is inserted, hot pressing temperature is 200 DEG C, pressure is 50MPa, and the time is 25 minutes, can obtain the matrix material of the 2-3 composite structure of the Al/PI adding aluminium flake after hot-forming.
Embodiment 4:
What the present embodiment provided take PVDF as matrix, be that flat tinsel and metal passivation particle prepare filler with shape, prepare polymer matrix composite, metallic stuffing and PVDF in matrix material, convert according to volume fraction each 50% and weigh, its preparation comprises the following steps:
1) get metallic aluminium powder particle, be pure aluminium powder simple substance through XRD test, not containing other impurity, metallic aluminium powder particle be broken into respectively the micron order of particle diameter at about 10 μm and nano level two kinds of powders of about 50nm;
2) get the micro-sized metal powder 10g after fragmentation, to pass into after appropriate oxygen at 120 DEG C dry 3 hours, cross 120 mesh sieves make dry after the metal-powder dispersion of caking, obtain micron order metallic aluminium powder passivation of uniform size powder;
3) with step 2, the metallic aluminium powder passivation powder of nanoscale size is obtained;
4) metal aluminium flake is made into 3mm × 3mm, thickness is about the tabular of 5 μm;
5) coupling agent treatment: the dehydrated alcohol other aluminium powder passivation powder of two kinds of grain-size grades being put into respectively 10g, then add the Silane coupling agent KH550 of dehydrated alcohol quality 1.5% and process 1 hour under ultrasonic power 500W, make coated one deck coupling agent of aluminium powder passivation powder surface uniform, after supersound process, carry out drying with evaporative removal dehydrated alcohol in 80 DEG C;
6) by the aluminium powder passivation powder of two kinds of ranks through coupling agent treatment according to 20: 1(micron order: nano level=20: 1) volume ratio mixing, then the tabular aluminum metal (3mm × 3mm, thickness is about 5 μm) of the weight such as weighing and mixed aluminium powder passivation powder;
7) through step 6), mixed aluminium powder passivation powder and PVDF are mixed into uniform powder, by the tabular aluminum metal of powder and weighing according to 2-3 composite structure compound, then mould hot pressing on press is inserted, hot pressing temperature is 200 DEG C, pressure is 50MPa, and the time is 25 minutes, can obtain the matrix material of the 2-3 composite structure of the Al/PVDF adding aluminium flat board after hot-forming.
Embodiment 5:
What the present embodiment provided take PVDF as matrix, be that fibrous steel fiber and metal passivation particle prepare filler with shape, prepare polymer matrix composite, metallic stuffing and PVDF in matrix material, convert according to volume fraction each 50% and weigh, its preparation comprises the following steps:
1) get metallic aluminium powder particle, be pure aluminium powder simple substance through XRD test, not containing other impurity, metallic aluminium powder particle be broken into respectively the micron order of particle diameter at about 10 μm and nano level two kinds of powders of about 50nm;
2) get the micro-sized metal powder 10g after fragmentation, to pass into after appropriate oxygen at 120 DEG C dry 3 hours, cross 120 mesh sieves make dry after the metal-powder dispersion of caking, obtain micron order metallic aluminium powder passivation of uniform size powder;
3) with step 2, the metallic aluminium powder passivation powder of nanoscale size is obtained;
4) metallic aluminium is made into diameter 50 μm, length is about the threadiness of 3mm;
5) coupling agent treatment: the dehydrated alcohol other aluminium powder passivation powder of two kinds of grain-size grades being put into respectively 10g, then add the Silane coupling agent KH550 of dehydrated alcohol quality 2.0% and process 1 hour under ultrasonic power 500W, make coated one deck coupling agent of aluminium powder passivation powder surface uniform, after supersound process, carry out drying with evaporative removal dehydrated alcohol in 80 DEG C;
6) by the aluminium powder passivation powder of two kinds of ranks through coupling agent treatment according to 20: 1(micron order: nano level=20: volume ratio mixing 1), then weighs the fibrous aluminum metal with the weight such as mixed aluminium powder passivation powder;
7) through step 6), mixed aluminium powder passivation powder and PVDF are mixed into uniform powder, by the fibrous aluminum metal of powder and weighing according to 1-3 composite structure compound, then mould hot pressing on press is inserted, hot pressing temperature is 200 DEG C, pressure is 50MPa, and the time is 25 minutes, can obtain the matrix material of the 1-3 composite structure of the Al/PVDF adding fibrous aluminium after hot-forming.
See Fig. 3, three kinds of filler shapes are single ball-shaped filling material (in Fig. 3 A) respectively, be added with the ball-shaped filling material (in Fig. 3 B) of fibrous metal, be added with the ball-shaped filling material (in Fig. 3 C) of sheet metal, the thermal conductivity of its matrix material increases successively, increases to 9.883W/ (mK) by 3.258W/ (mK).The thermal conductivity impact of selection on matrix material of filler is very large as seen from Figure 3.The present invention improves the performances such as the thermal conductivity of matrix material by the approach of the composite structure changing matrix material, particularly threadiness and flake shape filler form the heat conduction network of matrix material effectively, thus the thermal conductivity of matrix material is significantly improved, the performance such as dielectric, physical strength is also significantly improved simultaneously.
Above-described embodiment can also be enumerated a lot, here do not provide one by one, as long as in scope disclosed by the invention, namely difform preparation of metals goes out metal/metal oxide structured packing, grain diameter is in the scope of micron and Nano grade, and organic solvent, coupling agent that preparation process is selected, in the process parameters range that preparation method provides, all can be prepared into the polymer matrix composite of different shapes metal as filler.

Claims (10)

1. a polymer matrix composite, it is characterized in that: this matrix material by volume mark is made up of the metallic stuffing of 1 ~ 50% and the polymeric matrix of 50 ~ 99%, described metallic stuffing comprises metal passivation particle and fibrous metal or sheet metal, the mass ratio of metal passivation particle and fibrous metal or sheet metal is 1:1, the length of fibrous metal is 3mm, diameter is 50 μm ~ 1mm, the area of sheet metal is 3 ~ 5mm × 3 ~ 5mm, thickness is 1 ~ 9 μm, metal passivation particle mix with polymeric matrix and with fibrous metal or sheet metal compound, fibrous metal or sheet metal form the heat conduction network of matrix material.
2. a kind of polymer matrix composite according to claim 1, it is characterized in that: described metal passivation particle comprises the metal passivation particle of micron grain size and the metal passivation particle of nanometer particle size, the volume ratio of the metal passivation particle of micron grain size and the metal passivation particle of nanometer particle size is 5 ~ 30:1, the diameter of the metal passivation particle of micron grain size is 1 ~ 19 μm, and the diameter of the metal passivation particle of nanometer particle size is 10 ~ 90nm.
3. a kind of polymer matrix composite according to claim 1, it is characterized in that: described metal passivation particle is prepared from after the powder of Al, Fe, Cr, Mo, Ni, Co, Ta, Nb or W being utilized strong oxidizer oxidation style or the passivation of air heating oxidation style, strong oxidizer is the vitriol oil, nitric acid, chloric acid, acid iodide, potassium bichromate or potassium permanganate, and fibrous metal or sheet metal adopt aluminium, copper, iron or silvery standby.
4. a kind of polymer matrix composite according to claim 1, is characterized in that: described polymeric matrix is poly(vinylidene fluoride) or its multipolymer, polypropylene, polyethylene, polypropylene methyl acid methyl esters, epoxy resin or polyimide.
5. a kind of polymer matrix composite according to claim 1, is characterized in that: the complex method of described metallic stuffing and polymeric matrix comprises admixture of powder method, solution method or pressure sintering.
6. prepare a method for polymer matrix composite as claimed in claim 1, it is characterized in that: comprise the following steps:
Step one: metal-powder is broken for micron metal powder and nano metal powder respectively;
Step 2: utilize air heating oxidation style to carry out passivation respectively micron metal powder and nano metal powder, obtains the metal passivation particle of micron grain size and nanometer particle size;
Step 3: adopt mechanical cutting prepare length is 3mm, diameter is 50 μm ~ 1mm fibrous metal or prepare the sheet metal that area is 3 ~ 5mm × 3 ~ 5mm, thickness is 1 ~ 9 μm;
Step 4: the metal passivation particle of micron grain size and nanometer particle size is immersed in organic solvent respectively, then the coupling agent of organic solvent quality 1 ~ 2.5% is added, after adding coupling agent, supersound process makes the uniform coated one deck coupling agent of metal passivation particle surface, carries out dry evaporative removal organic solvent after supersound process;
Step 5: mixed according to the volume ratio of 5 ~ 30:1 by the metal passivation particle of micron grain size and nanometer particle size after step 4, takes and the fibrous metal of the quality such as mixed metal passivation particle or sheet metal;
Step 6: after step 5, mixed metal passivation particle is mixed to obtain mixture with polymeric matrix, will put into the hot-forming i.e. obtained polymer matrix composite of mould after mixture and fibrous metal or sheet metal compound.
7. a kind of method preparing polymer matrix composite according to claim 6, it is characterized in that: described metal-powder is the powder of aluminium, chromium, nickel, iron or molybdenum, the step of described air heating oxidation style is: in metal-powder, pass into oxygen, then at 120 DEG C dry 3 ~ 5 hours.
8. a kind of method preparing polymer matrix composite according to claim 6, it is characterized in that: described organic solvent is dehydrated alcohol, coupling agent is silane coupling agent.
9. a kind of method preparing polymer matrix composite according to claim 6, is characterized in that: in described polymer matrix composite, the volume fraction of polymeric matrix is 50%.
10. a kind of method preparing polymer matrix composite according to claim 6, it is characterized in that: described hot-forming condition is: temperature is 200 DEG C, pressure is 50MPa, and the time is 25 minutes.
CN201210182048.XA 2012-06-05 2012-06-05 Polymer-matrix composite material and preparation method thereof Active CN102775705B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210182048.XA CN102775705B (en) 2012-06-05 2012-06-05 Polymer-matrix composite material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210182048.XA CN102775705B (en) 2012-06-05 2012-06-05 Polymer-matrix composite material and preparation method thereof

Publications (2)

Publication Number Publication Date
CN102775705A CN102775705A (en) 2012-11-14
CN102775705B true CN102775705B (en) 2015-05-27

Family

ID=47120828

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210182048.XA Active CN102775705B (en) 2012-06-05 2012-06-05 Polymer-matrix composite material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN102775705B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104530616B (en) * 2015-01-05 2017-06-09 内蒙古科技大学 A kind of high dielectric property low-loss sheet-like barium titanate base/polymer composites and preparation method thereof
CN105504630A (en) * 2015-12-09 2016-04-20 无锡普瑞明思机械制造有限公司 Mechanical seal friction pair material
CN107230511B (en) * 2016-03-24 2019-09-03 上海利韬电子有限公司 Conductive polymer compositions, electric device and preparation method thereof
CN106189012A (en) * 2016-07-08 2016-12-07 西北工业大学 A kind of polymer matrix composite and preparation method thereof
CN106229340B (en) * 2016-08-30 2019-04-26 四川洪芯微科技有限公司 A kind of semiconductor devices
JP6630696B2 (en) 2017-03-15 2020-01-15 日本特殊塗料株式会社 Antistatic composition for vehicle, vehicle, and method of manufacturing vehicle
CN108034239A (en) * 2017-12-06 2018-05-15 常州鼎众冷暖设备工程有限公司 One kind prevents old type heat insulating strip
CN108641297A (en) * 2018-05-17 2018-10-12 姚子巍 A kind of low thermal conductivity epoxy resin composite material preparation method
CN110262151A (en) * 2019-06-25 2019-09-20 西安交通大学 A kind of multi-functional ultraviolet-responsive and shielding smart window and preparation method thereof
CN111234902A (en) * 2020-03-20 2020-06-05 中国科学院兰州化学物理研究所 Sheet-shaped silver-coated copper filled polyimide composite lubricating material
CN112552686B (en) * 2020-10-21 2022-04-22 西安交通大学 Magneto-dielectric composite material with ultrahigh magnetic conductivity and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101291577A (en) * 2007-10-31 2008-10-22 中兴通讯股份有限公司 Plastic panel
CN101579552A (en) * 2009-06-01 2009-11-18 申箭峰 Anti-static wrist band
CN102181168A (en) * 2011-03-08 2011-09-14 东莞华科电子有限公司 Polymer matrix composite material and production method of polymer matrix composite material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101291577A (en) * 2007-10-31 2008-10-22 中兴通讯股份有限公司 Plastic panel
CN101579552A (en) * 2009-06-01 2009-11-18 申箭峰 Anti-static wrist band
CN102181168A (en) * 2011-03-08 2011-09-14 东莞华科电子有限公司 Polymer matrix composite material and production method of polymer matrix composite material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Dielectric behavior of a metal-polymer composite with low percolation threshold;Yun-Jia Li et al.;《APPLIED PHYSICS LETTERS》;20060815;第89卷;072902-1--072902-3 *

Also Published As

Publication number Publication date
CN102775705A (en) 2012-11-14

Similar Documents

Publication Publication Date Title
CN102775705B (en) Polymer-matrix composite material and preparation method thereof
Pan et al. Vertically aligned silicon carbide nanowires/boron nitride cellulose aerogel networks enhanced thermal conductivity and electromagnetic absorbing of epoxy composites
Yang et al. Synchronously improved electromagnetic interference shielding and thermal conductivity for epoxy nanocomposites by constructing 3D copper nanowires/thermally annealed graphene aerogel framework
Wang et al. Electromagnetic interference shielding MWCNT-Fe3O4@ Ag/epoxy nanocomposites with satisfactory thermal conductivity and high thermal stability
An et al. A polymer-based thermal management material with enhanced thermal conductivity by introducing three-dimensional networks and covalent bond connections
Zhong et al. Three dimensional hexagonal boron nitride nanosheet/carbon nanotube composites with light weight and enhanced microwave absorption performance
Hu et al. Polymer composite with improved thermal conductivity by constructing a hierarchically ordered three-dimensional interconnected network of BN
Chiu et al. High electromagnetic wave absorption performance of silicon carbide nanowires in the gigahertz range
Silakhori et al. Preparation and thermal properties of form-stable phase change materials composed of palmitic acid/polypyrrole/graphene nanoplatelets
Antunes et al. Carbon materials in composite bipolar plates for polymer electrolyte membrane fuel cells: A review of the main challenges to improve electrical performance
Zhong et al. Enhanced microwave absorption properties of graphite nanoflakes by coating hexagonal boron nitride nanocrystals
Kang et al. Microwave-constructed honeycomb architectures of h-BN/rGO nano-hybrids for efficient microwave conversion
Liu et al. Thermally conductive and electrically insulating alumina-coated graphite/phthalonitrile composites with thermal stabilities
CN110157931B (en) Nano carbon reinforced metal matrix composite material with three-dimensional network structure and preparation method thereof
Wen et al. High performance electromagnetic interference shielding of lamellar MoSi2/glass composite coatings by plasma spraying
Wang et al. Preparation of antistatic high‐density polyethylene composites based on synergistic effect of graphene nanoplatelets and multi‐walled carbon nanotubes
CN111925630B (en) High-strength electromagnetic shielding and heat conducting PBT/PET nano composite material and preparation method thereof
Fang et al. Metal–organic framework-derived carbon/carbon nanotubes mediate impedance matching for strong microwave absorption at fairly low temperatures
Ye et al. Enhanced electromagnetic absorption properties of novel 3D-CF/PyC modified by reticulated SiC coating
Zhang et al. Electromagnetic interference shielding property of polybenzoxazine/graphene/nickel composites
Ma et al. Highly thermally conductive epoxy composites with anti-friction performance achieved by carbon nanofibers assisted graphene nanoplatelets assembly
Sun et al. Polyaniline/flower-like CuS composites with improved electromagnetic interference shielding effectiveness
Li et al. Ultralight carbon-based Co (OH) 2-Co3O4/nanocomposite with superior performance in wave absorption
Xu et al. A malleable composite dough with well-dispersed and high-content boron nitride nanosheets
Guo et al. Rational design of FeCo imbedded 3D porous carbon microspheres as broadband and lightweight microwave absorbers

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant