CN106589743A - Preparation method of magnetic fluorescent composite material - Google Patents

Preparation method of magnetic fluorescent composite material Download PDF

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CN106589743A
CN106589743A CN201611079164.3A CN201611079164A CN106589743A CN 106589743 A CN106589743 A CN 106589743A CN 201611079164 A CN201611079164 A CN 201611079164A CN 106589743 A CN106589743 A CN 106589743A
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magnetic
pmma
nvp
composite material
fluorescent composite
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CN106589743B (en
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关宏宇
王登科
王杰
张向东
葛春华
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Liaoning University
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    • C08F120/00Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F120/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F120/10Esters
    • C08F120/12Esters of monohydric alcohols or phenols
    • C08F120/14Methyl esters, e.g. methyl (meth)acrylate
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    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/12Polymerisation in non-solvents
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    • C08F265/00Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/04Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
    • C08F265/06Polymerisation of acrylate or methacrylate esters on to polymers thereof
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    • C09K11/56Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing sulfur
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Abstract

The invention relates to a preparation method of a magnetic fluorescent composite material. First, through a coprecipitation method, oleic acid-modified Fe3O4 magnetic fluid is prepared; then, with methyl methacrylate being a monomer, Fe3O4@PMMA emulsion is prepared as a seed solution through a soap-free emulsion polymerization method; then, with N-vinyl pyrrolidone and styrene being monomers and divinyl benzene being a crosslinking agent, an Fe3O4@PMMA@P(St-NVP) magnetic microsphere with a core-shell structure is prepared through an emulsion polymerization method; finally, the magnetic fluorescent composite material Fe3O4@PMMA@P(St-NVP)@ZnS is prepared under complexing action and through a thermal decomposition method of thiourea. The obtained magnetic fluorescent composite material can be used for photocatalytic degradation on methylene blue. The steps of the method are easy and convenient to implement, operation is easy, and the obtained magnetic fluorescent composite particles has no fluorescence quenching.

Description

A kind of preparation method of magnetic fluorescent composite material
Technical field
The present invention relates to a kind of preparation method of magnetic fluorescent composite material.
Background technology
Magnetic fluorescence material is a kind of application functional material for a long time and widely, with its excellent performance applications In the every field such as biomedical, magnetic conduction and material.Preparing the method for magnetic fluorescence compound particle at present has many kinds, such as Using chemical bonding, quantum dot and magnetic nano-particle are coupled together to form magnetic fluorescence composite nanometer particle, by choosing Suitable activator is selected, magnetic nanoparticle and quantum dot surface functional group are activated respectively, finally prepare particle diameter Size is controllable, the intensity of magnetization and the less composite nano particle of fluorescence-intensity decay.Also by different nanocrystal growths Or assemble to prepare fluorescence magnetic particle, the magnetic and fluorescence property of nanoparticle prepared by the method is not ideal, and And the method requires only to be magnetic suitably can be only achieved optimal magnetic and fluorescence effect with the proportioning of fluorescent material.Wang Wei's wealth The cruel microsphere of micron size polymethyl acid glycidyl is prepared Deng by dispersion copolymerization method, and amino is carried out to it and changed Property, subsequently synthesizing magnetic nanoparticle being deposited in microsphere internal in-situ, swelling infiltration quantum dot is finally prepared for amination, micro- Meter level, single dispersing, superparamagnetic, fluorescence composite multifunction polymer microballoon.By reverse micro emulsion method, prepare first magnetic or It is fluorescent silicon dioxide microsphere, then prepares fluorescence or magnetic shell in microsphere surface electrostatic assembly or chemical bonding, from And obtain the fluorescence magnetic composite with nucleocapsid structure.Deng Yonghui is prepared magnetic silica and is answered by improved method Particle is closed, and organic fluorescence molecule is introduced in the silica shell of magnetic silica particle, be prepared for fluorescence magnetic two Silicon oxide particle, then by seed precipitation polymerization, in fluorescence magnetic silica surface poly- isopropyl propylene phthalein amine is coated, Particle diameter is submicron order, the characteristics of with fluorescent microsphere, while having magnetic and temperature sensitivity.And with magnetic fluorescence material In widely using for the field such as biomedical, magnetic conduction and material, constantly research and development step is simple, it is easy to operate, unstressed configuration is sudden The novel magnetic fluorescence composite material for going out is the problem that those skilled in the art constantly researches and develops.
The content of the invention
It is an object of the invention to provide a kind of method and step is easy, it is easy to operate, the magnetic fluorescence compound particle for obtaining without The preparation method of the magnetic fluorescent composite material of fluorescent quenching.
The technical solution used in the present invention is:A kind of preparation method of magnetic fluorescent composite material, comprises the steps:It is first The Fe of oleic acid modified is first prepared with coprecipitation3O4Magnetic fluid, the magnetic fluid favorable dispersibility;Then with methyl methacrylate (MMA) it is monomer, using surfactant- free emulsion polymerization Fe is prepared3O4@PMMA emulsions, as seed solution;Again with N- vinyl pyrroles Alkanone (NVP) and styrene (St) are monomer, and divinylbenzene (DVB) is cross-linking agent, is prepared using emulsion polymerization and has core The Fe of shell structure3O4@PMMA@P (St-NVP) magnetic microspheres;Magnetic is prepared finally by the thermal decomposition method of complexing and thiourea Fluorescence composite material Fe3O4@PMMA@P(St-NVP)@ZnS.It is specific as follows:
1) coprecipitation prepares the Fe of oleic acid modified3O4Magnetic fluid:Weigh FeCl2And FeCl3In being dissolved in deionized water, N2Protect Shield heated and stirred adds the acetone dissolved with Oleic acid to 80 DEG C, adds ammonia, adjusts pH=10-12, reacts 30min, is cooled to room Temperature, Deca hydrochloric acid solution is precipitated thing, and then precipitate is dispersed in washing with acetone the dilute ammonia solution containing Oleic acid again In, in N2Under protection, 80 DEG C are heated with stirring to, sustained response 30min obtains Fe3O4Magnetic fluid.
Preferably, in molar ratio, FeCl3:FeCl2=2-3:1.
Preferably, dissolved with the acetone of Oleic acid, the ratio of Oleic acid and acetone is 0.1g:5mL.
Preferably, in mass ratio, FeCl3:Oleic acid=4.06:1.1.
2) surfactant- free emulsion polymerization prepares Fe3O4@PMMA emulsions:Methyl methacrylate is dissolved in deionized water, is added Initiator potassium persulfate (KPS), ultrasonic disperse is uniform, under stirring, adds Fe3O4Magnetic fluid, is heated under nitrogen protection 80 DEG C, 7h is reacted, obtain Fe3O4@PMMA emulsions.
Preferably, methyl methacrylate:Potassium persulfate=5mL:0.05g.
Preferably, by volume, magnetic fluid:Water=1:10.
Preferably, by volume, methyl methacrylate:Magnetic fluid=1:2.
3) emulsion polymerization prepares Fe3O4@PMMA@P(St-NVP):By NVP, styrene and divinyl Base benzene, ultrasonic disperse adds dodecylbenzene sodium sulfonate (SDBS) and potassium persulfate (KPS) in distilled water, under stirring, Add Fe3O4@PMMA emulsions, under nitrogen protection, heating in water bath is warmed up to 75-85 DEG C, reacts 7h, emulsion is obtained, by the breast for obtaining Liquid acetone breakdown of emulsion, sucking filtration, washing, vacuum drying obtains Fe3O4@PMMA@P(St-NVP)。
Preferably, by volume, NVP:Styrene=3:5.
Preferably, by quality, dodecylbenzene sodium sulfonate:Potassium persulfate=2:1.
Preferably, water bath heating temperature is 80 DEG C.
4) magnetic fluorescent composite material Fe is prepared3O4@PMMA@P(St-NVP)@ZnS:By Fe3O4@PMMA@P (St-NVP), Ultrasonic disperse stirs 12h in the ethylene glycol solution of zinc acetate under room temperature, add the ethylene glycol solution of thiourea, and nitrogen protection is complete Journey, is warming up to 150 DEG C, reacts 3h, and centrifugation, washing, the product for obtaining disperses in methyl alcohol, and sucking filtration is dried, and obtains magnetic fluorescence and answers Condensation material Fe3O4@PMMA@P(St-NVP)@ZnS。
Preferably, the concentration of the ethylene glycol solution of described thiourea is 0.02mol/L.
The invention has the beneficial effects as follows:
1. of the invention, it is uniformly dispersed with the magnetic fluid of oleic acid modified, stable performance.
2. Fe of the invention, being obtained using surfactant- free emulsion polymerization3O4@PMMA seed emulsion stable performances, the method operation It is easy.
3. of the invention, emulsion polymerization prepares Fe3O4@PMMA@P (St-NVP) methods are easy, high income.
4. of the invention, emulsion polymerization prepares Fe3O4After@PMMA@P (St-NVP) breakdowns of emulsion, separated using Magnet, operation letter Just.
5. of the invention, using polyvinyl pyrrolidone complexing, thiourea thermolysis process prepares magnetic fluorescence and is combined Particle manipulation is easy, and method is novel.
6. of the invention, the magnetic fluorescent composite material fluorescence property of preparation is good, unstressed configuration Quenching.
7. of the invention, the magnetic fluorescent composite material of preparation has good photocatalytic Degradation to methylene blue.
8. of the invention, can use Magnet to separate after photocatalytic degradation, it is simple to operate.
Description of the drawings
Fig. 1 is the composite diagram of magnetic fluorescent composite material prepared by the present invention.
Fig. 2 is the Infrared Characterization (diluent KBr) of magnetic fluorescent composite material prepared by the present invention.
Fig. 3 is the XRD figure of magnetic fluorescent composite material prepared by the present invention.
Fig. 4 is the fluorogram of magnetic fluorescent composite material prepared by the present invention;
Wherein, a- blue lights are excited;B- green glows are excited;The blue light activated partial enlargements of c-;The green light activated partial enlargements of d-.
Specific embodiment
Technical scheme for a better understanding of the present invention, is described in further detail below by way of specific embodiment. This programme not limited to this.
Embodiment 1
(1) preparation method is as follows:
1. 4.06g FeCl are weighed3·6H2O and 2.78g FeCl2·4H2O is dissolved in deionized water, N2Protection, machinery is stirred Mix and be warming up to 80 DEG C, add the acetone 5mL (Oleic acid dissolved with Oleic acid:Acetone=0.1g:5mL), then Deca strong aqua ammonia, adjusts pH To 10-12,30min is reacted, be cooled to room temperature.The hydrochloric acid solution of Deca 2mol/L is precipitated thing in product, and precipitate is used Washing with acetone, then precipitate is dispersed in (Oleic acid in the dilute ammonia solution 35mL containing a small amount of Oleic acid again:9% ammonia= 1.0g:35mL), in N2Under protection, 80 DEG C are heated with stirring to, sustained response 30min obtains Fe3O4Magnetic fluid, by the Fe for obtaining3O4 Magnetic fluid is in N2Store for future use under protection.
2. 5mL methyl methacrylates (MMA) and 100mL deionized waters are added in four-hole bottle, 0.05g initiators are added Potassium persulfate (KSP), ultrasonic disperse is uniform, under stirring, adds 10mL Fe3O4Magnetic fluid, is heated under nitrogen protection 80 DEG C, 7h is reacted, obtain Fe3O4@PMMA emulsions.
3. 3mL NVPs (NVP), 5mL styrene (St) and 0.1g divinylbenzene (DVB) are taken, ultrasound In being scattered in distilled water, 1.0g dodecylbenzene sodium sulfonate (SDBS) and 0.5g potassium persulfates (KSP) are added, under stirring, Add 30mL Fe3O4@PMMA emulsions, under nitrogen protection, heating in water bath is warmed up to 80 DEG C, reacts 7h, emulsion is obtained, by what is obtained Emulsion acetone breakdown of emulsion, sucking filtration, and washed with substantial amounts of deionized water and methanol, 60 DEG C of vacuum drying 24h obtain Fe3O4@ PMMA@P (St-NVP) core-shell particles.
4. 0.5g Fe are weighed3O4@PMMA@P (St-NVP) core-shell particles, ultrasonic disperse is in the second of 50mL 0.02M zinc acetates In glycol solution.12h is stirred under room temperature, the ethylene glycol solution of 50mL 0.02M thiourea is subsequently adding, nitrogen protection is whole, heats up 150 DEG C, 3h, sucking filtration are reacted, and with substantial amounts of water and washing with alcohol for several times, the product for obtaining disperses in methyl alcohol, sucking filtration, vacuum It is dried, obtains magnetic fluorescent composite material Fe3O4@PMMA@P(St-NVP)@ZnS。
(2) apply
The methylene blue solution 20mL of 4mg/L is measured, the magnetic fluorescent composite material of the above-mentioned preparations of 0.02g is subsequently adding Fe3O4@PMMA@P (St-NVP)@ZnS, ultrasonic disperse is uniform, then ultra violet lamp 2h.The absorbance surveyed at 664nm, calculates Degradation rate.
(3) testing result
Fig. 2 is the infrared figure of magnetic fluorescence compound particle, and A is the infrared figure of the ferroso-ferric oxide of oleic acid modified, and B is Fe3O4The infrared figure of@PMMA, C figures are Fe3O4The infrared figure of@PMMA@P (St-NVP)@ZnS.As shown in Figure 2, illustrate prepared Fe3O4@PMMA@P (St-NVP)@ZnS infrared signatures peak substantially, successfully synthesizes wanted compound particle.
Fig. 3 is the XRD figure of magnetic fluorescence compound particle, and A is the XRD figure of the ferroso-ferric oxide of oleic acid modified, and B is Fe3O4@ The XRD figure of PMMA, C figures are Fe3O4The XRD figure of@PMMA@P (St-NVP), D figures are Fe3O4@PMMA@P (St-NVP)@ZnS XRD figure.From the figure 3, it may be seen that illustrating the diffraction maximum protrusion of each material, the wherein XRD figure of Fe3O4 PMMA P (St-NVP) ZnS Can more illustrate that the particle for synthesizing both had had magnetic ferroferric oxide, also there is the diffraction maximum of zinc sulfide, what successfully synthesis was wanted answers Close particle.
Fig. 4 is the fluorogram of magnetic fluorescence compound particle, and wherein a, c excites magnetic fluorescent particles Yellow light-emitting low temperature, b, d for blue light Magnetic fluorescent particles are excited to glow for green glow.C, d are partial enlarged drawing, from fig. 4, it can be seen that the compound particle photism is good, Unstressed configuration Quenching.

Claims (9)

1. a kind of preparation method of magnetic fluorescent composite material, it is characterised in that comprise the steps:First being co-precipitated legal system The Fe of standby oleic acid modified3O4Magnetic fluid;Then with methyl methacrylate as monomer, prepared using surfactant- free emulsion polymerization Fe3O4@PMMA emulsions;Again with NVP and styrene as monomer, divinylbenzene is cross-linking agent, using emulsion Polymerization prepares Fe3O4@PMMA@P(St-NVP);Magnetic fluorescence is prepared finally by the thermal decomposition method of complexing and thiourea to answer Condensation material Fe3O4@PMMA@P(St-NVP)@ZnS。
2. the preparation method of a kind of magnetic fluorescent composite material according to claim 1, it is characterised in that method is as follows:
1) coprecipitation prepares the Fe of oleic acid modified3O4Magnetic fluid:Weigh FeCl2And FeCl3In being dissolved in deionized water, N2Protection, Heated and stirred adds the acetone dissolved with Oleic acid to 80 DEG C, adds ammonia, adjusts pH=10-12, reacts 30min, is cooled to room Temperature, Deca hydrochloric acid solution is precipitated thing, and then precipitate is dispersed in washing with acetone the dilute ammonia solution containing Oleic acid again In, in N2Under protection, 80 DEG C are heated with stirring to, sustained response 30min obtains Fe3O4Magnetic fluid;
2) surfactant- free emulsion polymerization prepares Fe3O4@PMMA emulsions:Methyl methacrylate is dissolved in deionized water, is added and is caused Agent potassium persulfate, ultrasonic disperse is uniform, under stirring, adds Fe3O4Magnetic fluid, is heated under nitrogen protection 80 DEG C, reaction 7h, obtains Fe3O4@PMMA emulsions;
3) emulsion polymerization prepares Fe3O4@PMMA@P(St-NVP):Take NVP, styrene and divinyl Benzene, ultrasonic disperse adds dodecylbenzene sodium sulfonate and potassium persulfate in distilled water, under stirring, adds Fe3O4@PMMA Emulsion, under nitrogen protection, heating in water bath is warmed up to 75-85 DEG C, reacts 7h, obtains emulsion, by the emulsion for obtaining acetone breakdown of emulsion, Sucking filtration, washing, vacuum drying obtains Fe3O4@PMMA@P(St-NVP);
4) magnetic fluorescent composite material Fe is prepared3O4@PMMA@P(St-NVP)@ZnS:By Fe3O4@PMMA@P (St-NVP), ultrasound In being scattered in the ethylene glycol solution of zinc acetate, 12h is stirred under room temperature, add the ethylene glycol solution of thiourea, nitrogen protection is whole, rises Temperature reacts 3h to 150 DEG C, and centrifugation, washing, the product for obtaining disperses in methyl alcohol, and sucking filtration is dried, and obtains magnetic fluorescence composite wood Material Fe3O4@PMMA@P(St-NVP)@ZnS。
3. a kind of preparation method of magnetic fluorescent composite material according to claim 2, it is characterised in that step 1) in, In molar ratio, FeCl3:FeCl2=2-3:1;Dissolved with the acetone of Oleic acid, the ratio of Oleic acid and acetone is 0.1g:5mL;By quality Than FeCl3:Oleic acid=4.06:1.1.
4. a kind of preparation method of magnetic fluorescent composite material according to claim 2, it is characterised in that step 2) in, Methyl methacrylate:Potassium persulfate=5mL:0.05g;By volume, magnetic fluid:Water=1:10;By volume, methyl-prop E pioic acid methyl ester:Magnetic fluid=1:2.
5. a kind of preparation method of magnetic fluorescent composite material according to claim 2, it is characterised in that step 3) in, By volume, NVP:Styrene=3:5;By quality, dodecylbenzene sodium sulfonate:Potassium persulfate=2: 1。
6. a kind of preparation method of magnetic fluorescent composite material according to claim 2, it is characterised in that step 4) in, The concentration of the ethylene glycol solution of described thiourea is 0.02mol/L.
7. magnetic fluorescent composite material the answering in degradating organic dye for being prepared according to the arbitrary described method of claim 1-6 With.
8. application according to claim 7, it is characterised in that method is as follows:In the solution containing organic dyestuff, add The arbitrary described magnetic fluorescent composite material of claim 1-6, under ultra violet lamp, is degraded.
9. application according to claim 7, it is characterised in that described organic dyestuff is methylene blue.
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Cited By (5)

* Cited by examiner, † Cited by third party
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CN108192595A (en) * 2018-01-25 2018-06-22 东北师范大学 Magnetism-up-conversion nanoparticles aggregation and preparation method thereof
CN108250348A (en) * 2018-01-03 2018-07-06 桂林理工大学 The method of one pot process tricarboxylic acid copper complex doped magnetic High Internal Phase Emulsion polymer material
CN109060979A (en) * 2018-08-02 2018-12-21 成都中医药大学 A kind of measuring method of (methylenedioxy) benzyl ethylene toxin
CN113087860A (en) * 2021-02-24 2021-07-09 苏州为度生物技术有限公司 Micron-sized magnetic fluorescent coding microsphere and preparation method thereof
CN115073818A (en) * 2022-06-17 2022-09-20 山东海科创新研究院有限公司 Heat-conducting filler, high-heat-conductivity polyether sulfone composite material and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1539913A (en) * 2003-10-29 2004-10-27 武汉大学 Multifunctional fluorescent, magnetic Nano material and preparation method
CN102142310A (en) * 2010-02-03 2011-08-03 中国石油天然气股份有限公司 Preparing method of nano-magnetic polymer composite microsphere
CN102718931A (en) * 2012-05-18 2012-10-10 北京化工大学 Preparation method of superparamagnetic composite microballoons used in biomedicine
CN104262812A (en) * 2014-09-28 2015-01-07 湖北工业大学 Magnetic fluorescent polymer microsphere with high load stability and preparation method of magnetic fluorescent polymer microsphere

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1539913A (en) * 2003-10-29 2004-10-27 武汉大学 Multifunctional fluorescent, magnetic Nano material and preparation method
CN102142310A (en) * 2010-02-03 2011-08-03 中国石油天然气股份有限公司 Preparing method of nano-magnetic polymer composite microsphere
CN102718931A (en) * 2012-05-18 2012-10-10 北京化工大学 Preparation method of superparamagnetic composite microballoons used in biomedicine
CN104262812A (en) * 2014-09-28 2015-01-07 湖北工业大学 Magnetic fluorescent polymer microsphere with high load stability and preparation method of magnetic fluorescent polymer microsphere

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
GOVINDAIAH, PATAKAMURI;: "Synthesis and characterization of poly(styrene-co-fluorescein O-methacrylate)/poly(N-isopropylacrylamide)-Fe3O4 core/shell composite particles", 《POLYMER》 *
JIANG WEI,等: "Synthesis and Evaluation of Thermo-Sensitive, Magnetic Fluorescent Nanocomposite as Trifunctional Drug Delivery Carrier", 《JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY》 *
孟繁宗,等: "稀土磁性微球Fe3O4@PMAA的制备和表征", 《分子科学学报》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108250348A (en) * 2018-01-03 2018-07-06 桂林理工大学 The method of one pot process tricarboxylic acid copper complex doped magnetic High Internal Phase Emulsion polymer material
CN108192595A (en) * 2018-01-25 2018-06-22 东北师范大学 Magnetism-up-conversion nanoparticles aggregation and preparation method thereof
CN108192595B (en) * 2018-01-25 2020-04-21 东北师范大学 Magnetic-up-conversion nanoparticle aggregate and preparation method thereof
CN109060979A (en) * 2018-08-02 2018-12-21 成都中医药大学 A kind of measuring method of (methylenedioxy) benzyl ethylene toxin
CN113087860A (en) * 2021-02-24 2021-07-09 苏州为度生物技术有限公司 Micron-sized magnetic fluorescent coding microsphere and preparation method thereof
CN115073818A (en) * 2022-06-17 2022-09-20 山东海科创新研究院有限公司 Heat-conducting filler, high-heat-conductivity polyether sulfone composite material and preparation method thereof
CN115073818B (en) * 2022-06-17 2023-12-26 山东海科创新研究院有限公司 Heat-conducting filler, high-heat-conducting polyether sulfone composite material and preparation method thereof

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