CN102775755A - Polyaryl ether nitrile (PEN) and carbonyl iron powder (Fe(CO)5) composite magnetic material and preparation method thereof - Google Patents
Polyaryl ether nitrile (PEN) and carbonyl iron powder (Fe(CO)5) composite magnetic material and preparation method thereof Download PDFInfo
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- CN102775755A CN102775755A CN2012102684730A CN201210268473A CN102775755A CN 102775755 A CN102775755 A CN 102775755A CN 2012102684730 A CN2012102684730 A CN 2012102684730A CN 201210268473 A CN201210268473 A CN 201210268473A CN 102775755 A CN102775755 A CN 102775755A
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Abstract
The invention discloses a PEN and Fe(CO)5 composite magnetic material and a preparation method thereof, and belongs to the technical field of magnetic polymer materials. PEN serves as an organic matrix, Fe(CO)5 serves as an inorganic filler, and the composite magnetic material is obtained after blending and prilling. Firstly, the Fe(CO)5 is subjected to surface modification, and a layer of phthalonitrile prepolymer is generated on the surface of the Fe(CO)5; due to a layer of organic matters rich in cyan coated on the surface, the Fe(CO)5 after surface modification can improve the interfacial adhesive force between the Fe(CO)5 inorganic filler and the PEN organic matrix, so that the PEN and the Fe(CO)5 are provided with a high-strength magnetic property while maintain an excellent mechanical property of the PEN after composition. According to the magnetic material and the preparation method thereof, the Fe(CO)5 can be filled as much as possible on the premise that the good mechanical property of the composite material is maintained, so that magnetic saturation strength of the composite material can be improved, the compatibility of inorganic fillers with polymers is improved, and processing defects are overcome.
Description
Technical field
The invention belongs to the magnetic polymer material technical field, relate to poly (arylene ether nitrile) and carbonyl iron dust composite magnetic and preparation method thereof.
Background technology
Magnetic polymer material is human in the new Application Areas of constantly developing magnetic and high molecular polymer (synthetic resins, rubber), and gives one of magnetic and high molecular conventional use material with new connotation and content.Compare with traditional magneticsubstance such as ferrite magnet, rare earth element magnet and alnico magnet etc., that macromolecule magnetic material has overcome is hard and crisp, poor in processability gets shortcoming, becomes the research focus of field of polymer technology in recent years.Macromolecule magnetic material is because of having light specific gravity, be processed into the goods of dimensional precision height and complicated shape easily, can also with characteristics such as other element is one-body molded, be widely used in fields such as aerospace, automobile, colour TV, computingmachine, duplicating machine.At aspects such as computer floppy drive motor, duplicating machine developer roll, fixing roller, the integrated instrument of automobile, mechanical manipulator, ROBOT CONTROL elements, magnetic plastics has replaced the conventional sintering magnet.Therefore developing the good polymer composite of magnetic property and over-all properties will have very important significance to the material design expansion in fields such as electronic industry and space flight.
Magnetic polymer material can be divided into two kinds on eigenmode and composite filled type, but the former is difficult to realize practical application because itself magnetic is less.For the latter, can increase substantially polymer magnetic owing to filled the ferromagnetism inorganic particulate, but often cause the interface interaction power of magnetic particle and matrix resin and the decline of mechanical strength.Therefore this patent purpose is to strengthen the interface compatibility of magnetic inorganic particle and macromolecule matrix resin, thereby when obtaining the ferromagnetism polymer composite, can keep the high mechanical strength of matrix resin.Poly (arylene ether nitrile) (Polyarylene ether nitriles; PEN) be the semi-crystalline polymer that has itrile group on one type of side chain; Its outstanding chemical property (radioprotective, nonflammable and the amount of being fuming is low), mechanical property, thermotolerance, thermostability and moulding processability make PEN can be widely used in fields such as aerospace, Electronic Packaging, machinofacture, auto parts.The Polymer Systems that with the poly (arylene ether nitrile) is matrix resin research has obtained extensive studies and relevant patent report has been arranged, and is that 200910302012.9 " composite material of polycarylene ether nitrile fiberglass and preparation method thereof ", application number are that 201010264014.6 " poly (arylene ether nitrile)/carbon nanotube thin film and preparation method thereof " and application number are " a kind of poly (arylene ether nitrile) and aluminium sesquioxide compound insulating heat-conduction material and preparation method thereof " of 201010236798.1 etc. like: application number be 200610038381.8 industrialized preparing process of poly (arylene ether nitrile) " ", application number.But with this kind speciality polymer material is that the HS magnetic polymer material of body material is not also seen bibliographical information.
Summary of the invention
The present invention provides a kind of poly (arylene ether nitrile) and carbonyl iron dust composite magnetic and preparation method thereof.The present invention is organic matrix with the poly (arylene ether nitrile), with the carbonyl iron dust (Fe (CO) of high magnetic
5) be mineral filler; At first as organic modifiers carbonyl iron dust is carried out surface-treated with the phthalonitrile prepolymer; To improve the consistency of organic matrix and mineral filler, then carbonyl iron dust after the surface-treated and poly (arylene ether nitrile) resin blend granulation are obtained poly (arylene ether nitrile) and carbonyl iron dust composite magnetic.Through the carbonyl iron dust of surface-treated because the organism that one deck is rich in cyanic acid has been wrapped up on the surface; Can increase substantially the interfacial adhesion power of carbonyl iron dust mineral filler and poly (arylene ether nitrile) resin matrix, thereby keep the excellent mechanical property of poly (arylene ether nitrile) when having the HS magnetic property after making poly (arylene ether nitrile) and carbonyl iron dust compound.
Technical scheme of the present invention is following:
A kind of poly (arylene ether nitrile) and carbonyl iron dust composite magnetic; Comprise poly (arylene ether nitrile) resin matrix and carbonyl iron dust mineral filler; Wherein to account for the mass percent of composite magnetic be 60% ~ 90% to the poly (arylene ether nitrile) resin matrix, and the mass percent that the carbonyl iron dust mineral filler accounts for composite magnetic is 10% ~ 40%.Said carbonyl iron dust mineral filler is formed through surface-treated by carbonyl iron dust, specifically comprises carbonyl iron dust and the phthalonitrile prepolymer that is coated on the carbonyl iron dust surface, and wherein the phthalonitrile prepolymer is formed by phthalonitrile monomer fusion pre-polymerization.
Above-mentioned poly (arylene ether nitrile) and carbonyl iron dust composite magnetic, in said carbonyl iron dust mineral filler, the massfraction of carbonyl iron dust is 97.56 ~ 538.46 parts, the massfraction that generates the phthalonitrile monomer of phthalonitrile prepolymer is 78.05 ~ 107.70 parts.
The preparation method of a kind of poly (arylene ether nitrile) and carbonyl iron dust composite magnetic may further comprise the steps:
Step 1: carbonyl iron dust is carried out surface-treated.
In the phthalonitrile monomer of molten state, add carbonyl iron dust, add 4 simultaneously, 4-diaminodiphenylsulfone(DDS) solidifying agent (DDS), 200 ℃ of following prepolymerization reactions 10 minutes, then that carbonyl iron dust cooling, the oven dry of resultant of reaction-surface-treated is for use; Wherein the mass fraction of phthalonitrile monomer is 78.05 ~ 107.70 parts, and the mass fraction of carbonyl iron dust is 97.56 ~ 538.46 parts, 4,4-diaminodiphenylsulfone(DDS) hardener dose account for phthalonitrile monomer and carbonyl iron dust quality and 2%.
Step 2: poly (arylene ether nitrile) resin matrix and carbonyl iron dust mineral filler blend, granulation.
With the carbonyl iron dust of step 1 gained surface-treated as mineral filler, with the poly (arylene ether nitrile) resin matrix through blend, granulation, obtain poly (arylene ether nitrile) and carbonyl iron dust composite magnetic; Wherein to account for the mass percent of composite magnetic be 60% ~ 90% to the poly (arylene ether nitrile) resin matrix, and the mass percent that the carbonyl iron dust mineral filler accounts for composite magnetic is 10% ~ 40%.
What need further specify is that when step 1 pair carbonyl iron dust carried out surface-treated, the reaction formula that the phthalonitrile monomer prepolymerization reaction generates the phthalonitrile prepolymer was:
The phthalonitrile prepolymer that generates is coated on the carbonyl iron dust surface, obtains the carbonyl iron dust (being aforesaid carbonyl iron dust mineral filler) of surface-treated.The solidifying agent DDS that adds during the fusion prepolymerization reaction itself does not participate in reaction, just plays one and quickens the solidified effect.The mass percent that the poly (arylene ether nitrile) resin matrix accounts for composite magnetic is 60% ~ 90%, and the mass percent that the carbonyl iron dust mineral filler accounts for composite magnetic is 10% ~ 40%.When the mineral filler amount reached 40%, it is best that the magnetic saturation intensity of magneticsubstance reaches.
The present invention is organic matrix with the poly (arylene ether nitrile), with the carbonyl iron dust (Fe (CO) of high magnetic
5) be mineral filler, obtain poly (arylene ether nitrile) and carbonyl iron dust composite magnetic through blend, granulation.But the present invention is not to be that carbonyl iron dust and poly (arylene ether nitrile) are carried out simple blend, granulation, but at first carbonyl iron dust is carried out surface-treated: promptly generate one deck phthalonitrile prepolymer on the carbonyl iron dust surface.According to the similar principle that mixes; Through the carbonyl iron dust of surface-treated because the organism that one deck is rich in cyanic acid has been wrapped up on the surface; Can increase substantially the interfacial adhesion power of carbonyl iron dust mineral filler and poly (arylene ether nitrile) resin matrix, thereby keep the excellent mechanical property of poly (arylene ether nitrile) when having the HS magnetic property after making poly (arylene ether nitrile) and carbonyl iron dust compound.Compare with the simple mixing granulation gained of poly (arylene ether nitrile) composite magnetic with carbonyl iron dust without surface-treated; The present invention can fill carbonyl iron dust as much as possible under the prerequisite that keeps matrix material favorable mechanical performance; Thereby improved the magnetic saturation intensity of matrix material, improved the consistency between mineral filler and the polymer simultaneously and to have remedied processibility not enough.
Embodiment
The preparation method of a kind of poly (arylene ether nitrile) and carbonyl iron dust composite magnetic may further comprise the steps:
Step 1: carbonyl iron dust is carried out surface-treated.
In the phthalonitrile monomer of molten state, add carbonyl iron dust, add 4 simultaneously, 4-diaminodiphenylsulfone(DDS) solidifying agent (DDS), 200 ℃ of following prepolymerization reactions 10 minutes, then that carbonyl iron dust cooling, the oven dry of resultant of reaction-surface-treated is for use; Wherein the mass fraction of phthalonitrile monomer is 78.05 ~ 107.70 parts, and the mass fraction of carbonyl iron dust is 97.56 ~ 538.46 parts, 4,4-diaminodiphenylsulfone(DDS) hardener dose account for phthalonitrile monomer and carbonyl iron dust quality and 2%.
Step 2: poly (arylene ether nitrile) resin matrix and carbonyl iron dust mineral filler blend, granulation.
With the carbonyl iron dust of step 1 gained surface-treated as mineral filler, with the poly (arylene ether nitrile) resin matrix through blend, granulation, obtain poly (arylene ether nitrile) and carbonyl iron dust composite magnetic; Wherein to account for the mass percent of composite magnetic be 60% ~ 90% to the poly (arylene ether nitrile) resin matrix, and the mass percent that the carbonyl iron dust mineral filler accounts for composite magnetic is 10% ~ 40%.
According to the ratio of components of table 1, and, prepare four kinds of samples according to preparation method provided by the invention.
Table one: sample ratio of components
Table two: properties of sample test result
| Saturation magnetization (emu/g) | Elongation at break (%) | Tensile strength (MPa) | Young's modulus (MPa) | |
| Sample 1 | 18.6 | 5.53 | 90.2 | 3347 |
| Sample 2 | 39.0 | 5.22 | 86.6 | 3574 |
| Sample 3 | 60.1 | 5.02 | 64.1 | 4117 |
| Sample 4 | 81.5 | 3.57 | 63.1 | 4403 |
Require emphasis and further specify be: when 1, carbonyl iron dust being carried out surface-treated, the temperature of fusion prepolymerization reaction is under 200 ℃, and the reaction times is 10 minutes.2, when poly (arylene ether nitrile) resin matrix and carbonyl iron dust mineral filler blend, granulation, should adopt high-speed mixer to carry out blend, adopt twin screw extruder under 330 ~ 350 ° of C temperature, to melt extrude granulation, injection molding.
Claims (3)
1. poly (arylene ether nitrile) and carbonyl iron dust composite magnetic; Comprise poly (arylene ether nitrile) resin matrix and carbonyl iron dust mineral filler; Wherein to account for the mass percent of composite magnetic be 60% ~ 90% to the poly (arylene ether nitrile) resin matrix, and the mass percent that the carbonyl iron dust mineral filler accounts for composite magnetic is 10% ~ 40%; Said carbonyl iron dust mineral filler is formed through surface-treated by carbonyl iron dust, specifically comprises carbonyl iron dust and the phthalonitrile prepolymer that is coated on the carbonyl iron dust surface, and wherein the phthalonitrile prepolymer is formed by phthalonitrile monomer fusion pre-polymerization.
2. poly (arylene ether nitrile) according to claim 1 and carbonyl iron dust composite magnetic; It is characterized in that; In the said carbonyl iron dust mineral filler; The massfraction of carbonyl iron dust is 97.56 ~ 538.46 parts, and the massfraction that generates the phthalonitrile monomer of phthalonitrile prepolymer is 78.05 ~ 107.70 parts.
3. the preparation method of poly (arylene ether nitrile) and carbonyl iron dust composite magnetic may further comprise the steps:
Step 1: carbonyl iron dust is carried out surface-treated;
In the phthalonitrile monomer of molten state, add carbonyl iron dust, add 4 simultaneously, 4-diaminodiphenylsulfone(DDS) solidifying agent, 200 ℃ of following prepolymerization reactions 10 minutes, then that carbonyl iron dust cooling, the oven dry of resultant of reaction-surface-treated is for use; Wherein the mass fraction of phthalonitrile monomer is 78.05 ~ 107.70 parts, and the mass fraction of carbonyl iron dust is 97.56 ~ 538.46 parts, 4,4-diaminodiphenylsulfone(DDS) hardener dose account for phthalonitrile monomer and carbonyl iron dust quality and 2%;
Step 2: poly (arylene ether nitrile) resin matrix and carbonyl iron dust mineral filler blend, granulation;
With the carbonyl iron dust of step 1 gained surface-treated as mineral filler, with the poly (arylene ether nitrile) resin matrix through blend, granulation, obtain poly (arylene ether nitrile) and carbonyl iron dust composite magnetic; Wherein to account for the mass percent of composite magnetic be 60% ~ 90% to the poly (arylene ether nitrile) resin matrix, and the mass percent that the carbonyl iron dust mineral filler accounts for composite magnetic is 10% ~ 40%.
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Cited By (11)
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| CN104845349A (en) * | 2015-05-25 | 2015-08-19 | 吉林大学 | PES (polyether sulfone) toughened bisphthalonitrile resin material and preparation method thereof |
| CN105348775A (en) * | 2015-12-08 | 2016-02-24 | 电子科技大学 | Crosslinkable polyaryl ether nitrile/ferroferric oxide hybridized magnetic material and manufacturing method thereof |
| CN105948934A (en) * | 2016-05-24 | 2016-09-21 | 杨军波 | Plant synergist and application thereof |
| CN105994364A (en) * | 2016-05-24 | 2016-10-12 | 杨军波 | Plant growth regulator and application thereof |
| CN106433085A (en) * | 2016-09-07 | 2017-02-22 | 电子科技大学 | Preparation technology of neodymium-iron-boron-polyaryl ether nitrile composite sheet with high filling volume |
| CN106867253A (en) * | 2017-02-27 | 2017-06-20 | 电子科技大学 | A kind of cyanate poly (arylene ether nitrile) alloy and preparation method thereof |
| CN107286649A (en) * | 2017-08-01 | 2017-10-24 | 四川理工学院 | Electromagnetic microwave shielding composite and preparation method thereof |
| CN109071805A (en) * | 2016-11-30 | 2018-12-21 | 株式会社Lg化学 | Curable compositions |
| CN113563822A (en) * | 2021-07-23 | 2021-10-29 | 石家庄原动力工业技术有限公司 | Food packaging material and preparation method thereof |
| CN113649068A (en) * | 2021-07-26 | 2021-11-16 | 电子科技大学 | Magnetic polyaryl ether nitrile composite photocatalyst and preparation method thereof |
| CN114242368A (en) * | 2021-12-17 | 2022-03-25 | 江苏中净华科环境科技有限公司 | Iron-based soft magnetic composite material and application thereof |
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| CN104845349A (en) * | 2015-05-25 | 2015-08-19 | 吉林大学 | PES (polyether sulfone) toughened bisphthalonitrile resin material and preparation method thereof |
| CN105348775A (en) * | 2015-12-08 | 2016-02-24 | 电子科技大学 | Crosslinkable polyaryl ether nitrile/ferroferric oxide hybridized magnetic material and manufacturing method thereof |
| CN105948934A (en) * | 2016-05-24 | 2016-09-21 | 杨军波 | Plant synergist and application thereof |
| CN105994364A (en) * | 2016-05-24 | 2016-10-12 | 杨军波 | Plant growth regulator and application thereof |
| CN106433085B (en) * | 2016-09-07 | 2019-01-25 | 电子科技大学 | A kind of technology of preparing of the neodymium iron boron of high filler loading capacity-poly (arylene ether nitrile) composite sheet |
| CN106433085A (en) * | 2016-09-07 | 2017-02-22 | 电子科技大学 | Preparation technology of neodymium-iron-boron-polyaryl ether nitrile composite sheet with high filling volume |
| CN109071805B (en) * | 2016-11-30 | 2021-01-12 | 株式会社Lg化学 | Curable composition |
| CN109071805A (en) * | 2016-11-30 | 2018-12-21 | 株式会社Lg化学 | Curable compositions |
| EP3424982A4 (en) * | 2016-11-30 | 2019-06-19 | LG Chem, Ltd. | Curable composition |
| CN109071805B9 (en) * | 2016-11-30 | 2021-02-23 | 株式会社Lg化学 | Curable composition |
| US11499019B2 (en) | 2016-11-30 | 2022-11-15 | Lg Chem, Ltd. | Curable composition |
| CN106867253A (en) * | 2017-02-27 | 2017-06-20 | 电子科技大学 | A kind of cyanate poly (arylene ether nitrile) alloy and preparation method thereof |
| CN107286649A (en) * | 2017-08-01 | 2017-10-24 | 四川理工学院 | Electromagnetic microwave shielding composite and preparation method thereof |
| CN107286649B (en) * | 2017-08-01 | 2020-03-31 | 四川理工学院 | Electromagnetic microwave shielding composite material and preparation method thereof |
| CN113563822A (en) * | 2021-07-23 | 2021-10-29 | 石家庄原动力工业技术有限公司 | Food packaging material and preparation method thereof |
| CN113649068A (en) * | 2021-07-26 | 2021-11-16 | 电子科技大学 | Magnetic polyaryl ether nitrile composite photocatalyst and preparation method thereof |
| CN114242368A (en) * | 2021-12-17 | 2022-03-25 | 江苏中净华科环境科技有限公司 | Iron-based soft magnetic composite material and application thereof |
| CN114242368B (en) * | 2021-12-17 | 2022-09-30 | 江苏中净华科环境科技有限公司 | Iron-based soft magnetic composite material and application thereof |
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