CN103287015A - Multi-polymer ceramic composite substrate and preparation method thereof - Google Patents
Multi-polymer ceramic composite substrate and preparation method thereof Download PDFInfo
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- CN103287015A CN103287015A CN2012100517254A CN201210051725A CN103287015A CN 103287015 A CN103287015 A CN 103287015A CN 2012100517254 A CN2012100517254 A CN 2012100517254A CN 201210051725 A CN201210051725 A CN 201210051725A CN 103287015 A CN103287015 A CN 103287015A
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- multipolymer
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- ceramic composite
- maleic anhydride
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Abstract
The invention provides a multi-polymer ceramic composite substrate and a preparation method thereof. The multi-polymer ceramic composite substrate comprises a substrate body and a copper foil, wherein the substrate body comprises multi-polymers, ceramic powder and a coupling agent. The preparation method comprises the steps of preparing the multi-polymers, preparing the coupling ceramic powder and preparing a mixed plate and cladding copper. The multi-polymer ceramic composite substrate has the characteristics of high dielectric constant and low loss, is high in mechanical strength and good in machinability, and meets application demands of an antenna, a filter, a duplexer, an oscillator and the like.
Description
Technical field
The invention belongs to the substrate field, be specifically related to a kind of composite base plate and preparation method thereof.
Background technology
Along with communication products, information electronic product gradually to high frequency, at a high speed, small size development, traditional microwave dielectric material more and more is difficult to meet the demands.So microwave complex media material arises at the historic moment, they have excellent microwave performance more, obtain to use in electronic equipments such as satellite communication, navigation, solid-state phased-array radar, radio and television.
Representative is the RT/duroid series microwave complex media material that U.S. Rogers company develops.This be a kind of with the polytetrafluoroethylene (PTFE) be the base composite glass fiber or the novel microwave dielectric material of ceramic composite powders, they have good broadband, high frequency characteristics, can be used for plane or nonplanar structures such as antenna, complicated multilayer line, microwave line, satisfy the demand of wave filter, oscillator etc.In polytetrafluoroethylene (PTFE), fluorine atom is symmetry and evenly distribution on strand, and molecule is not with polarity, so have excellent dielectric properties.Because polytetrafluoroethylene (PTFE) only has polar group in molecular end, other parts are nonpolar fully, so its dielectric constant is less than 2.2, and dielectric loss is 1 * 10
-4～1 * 10
-5The order of magnitude.But the polytetrafluoroethylene (PTFE) dielectric constant is less, and system product mechanical strength is lower, and poor in processability is difficult to hole metallization, and radiation resistance is poor, and the cost costliness far can not satisfy the requirement of current communication equipment.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of Gao Jiedian, low-loss composite base plate and preparation method thereof, to achieve these goals, the present invention by the following technical solutions:
A kind of preparation method of multipolymer ceramic composite substrate may further comprise the steps:
1) preparation multipolymer: in container, add solvent, add Powdered maleic anhydride then, stir, heat, described maleic anhydride dissolving back adds vinyl acetate, acrylic acid, described maleic anhydride, vinyl acetate, acrylic acid mol ratio are 10: 9: 1, then adding with described maleic anhydride, vinyl acetate and acrylic acid mass ratio is the initator of 0.2-2%, control 75-80 ℃ of reaction temperature, reaction time 2-3 hour, last vacuum filtration, drying obtain Powdered multipolymer;
2) preparation coupling ceramic powders: ceramic powders is added in the solvent, adding coupling agent, surfactant reaction 0.5-3 hour, make solvent evaporates then, obtain solid, obtain the coupling ceramic powders after rolling;
3) preparation mixed plate: described multipolymer powder and coupling ceramic powders is dried mixed, and at 85-95 ℃, 8-15MPa lower platen, pressurize 25-45min obtains mixed plate behind the mixing;
4) cover copper: described mixed plate is enclosed pressure-sensitive film and Copper Foil successively, put into press, compacting is 2-3 hour under 75-100 ℃, 25-30Mpa, and cooling back depanning obtains composite base plate.
Further, reaction temperature described in the described step 1) is 85 ℃, and the described reaction time is 2 hours.
Further, the reaction time described step 2) is 1 hour.
Further, described coupling agent is the Phosphation titanate.
Further, described ceramic powders is barium titanate.
Further, multipolymer powder described in the described step 3) and coupling ceramic powders are done and are mixed, and at 90 ℃, 10MPa lower platen, pressurize 30min obtains mixed plate behind the mixing.
Further, the described mixed plate of described step 4) is enclosed pressure-sensitive film and Copper Foil successively, puts into press, and compacting is 2 hours under 80 ℃, 30Mpa.
Further, comprise substrate and Copper Foil, described substrate comprises multipolymer, ceramic powders and coupling agent, and the quality percentage composition of described multipolymer, described ceramic powders and described coupling agent is 5-40%, and the mol ratio of described ceramic powders and described coupling agent is 1-1.5: 1.
Further, described multipolymer comprises maleic anhydride, vinyl acetate and acrylic acid, and described maleic anhydride, vinyl acetate and acrylic acid mol ratio are 10: 9: 1.
Further, described coupling agent is the Phosphation titanate.
Multipolymer ceramic composite substrate of the present invention has high-k, low-loss characteristics, and mechanical strength is higher, processability is good, satisfies application demands such as antenna, wave filter, duplexer and oscillator.
The specific embodiment
Below in conjunction with specific embodiment the present invention is done a step explanation.Except specifying all according to the mass fraction.
Embodiment 1
In container, add solvent toluene, get totally 60 parts in Powdered maleic anhydride, vinyl acetate, acrylic acid then, wherein maleic anhydride, vinyl acetate, acrylic acid mol ratio are 10: 9: 1, earlier Powdered maleic anhydride is added in the container, after treating Powdered maleic anhydride dissolving, add vinyl acetate, acrylic acid, then add 0.6 part of initator azodiisobutyronitrile, 75 ℃ of control reaction temperatures, 2 hours reaction time, last vacuum filtration, drying obtain Powdered multipolymer.Get totally 40 parts of barium titanate powder and Phosphation titanates, wherein, barium titanate powder and Phosphation titanate mol ratio are 1: 1, earlier barium titanate powder is added in the solvent toluene, add Phosphation titanate, surfactant reaction 1 hour again, make the toluene volatilization then, obtain solid, obtain the coupling ceramic powders after rolling.Multipolymer powder and coupling ceramic powders is dried mixed, and at 90 ℃, 10Mpa lower platen, pressurize 30min obtains mixed plate behind the mixing.Mixed plate is enclosed pressure-sensitive film and Copper Foil successively, put into press, compacting is 2 hours under 75 ℃, 25Mpa, and cooling back depanning obtains composite base plate.
Embodiment 2
In container, add solvent toluene, get totally 65 parts in Powdered maleic anhydride, vinyl acetate, acrylic acid then, wherein maleic anhydride, vinyl acetate, acrylic acid mol ratio are 10: 9: 1, earlier Powdered maleic anhydride is added in the container, after treating Powdered maleic anhydride dissolving, add vinyl acetate, acrylic acid, then add 0.65 part of initator azodiisobutyronitrile, 76 ℃ of control reaction temperatures, 2.5 hours reaction time, last vacuum filtration, drying obtain Powdered multipolymer.Get totally 35 parts of barium titanate powder and Phosphation titanates, wherein, barium titanate powder and Phosphation titanate mol ratio are 1.2: 1, earlier barium titanate powder is added in the solvent toluene, add Phosphation titanate, surfactant reaction 0.5 hour again, make the toluene volatilization then, obtain solid, obtain the coupling ceramic powders after rolling.Multipolymer powder and coupling ceramic powders is dried mixed, and at 95 ℃, 8Mpa lower platen, pressurize 45min obtains mixed plate behind the mixing.Mixed plate is enclosed pressure-sensitive film and Copper Foil successively, put into press, compacting is 2.5 hours under 80 ℃, 26Mpa, and cooling back depanning obtains composite base plate.
Embodiment 3
In container, add solvent toluene, get totally 70 parts in Powdered maleic anhydride, vinyl acetate, acrylic acid then, wherein maleic anhydride, vinyl acetate, acrylic acid mol ratio are 10: 9: 1, earlier Powdered maleic anhydride is added in the container, after treating Powdered maleic anhydride dissolving, add vinyl acetate, acrylic acid, then add 0.35 part of initator azodiisobutyronitrile, 77 ℃ of control reaction temperatures, 2.5 hours reaction time, last vacuum filtration, drying obtain Powdered multipolymer.Get totally 30 parts of barium titanate powder and Phosphation titanates, wherein, barium titanate powder and Phosphation titanate mol ratio are 1.3: 1, earlier barium titanate powder is added in the solvent toluene, add Phosphation titanate, surfactant reaction 1.5 hours again, make the toluene volatilization then, obtain solid, obtain the coupling ceramic powders after rolling.Multipolymer powder and coupling ceramic powders is dried mixed, and at 88 ℃, 15Mpa lower platen, pressurize 35min obtains mixed plate behind the mixing.Mixed plate is enclosed pressure-sensitive film and Copper Foil successively, put into press, compacting is 3 hours under 85 ℃, 28Mpa, and cooling back depanning obtains composite base plate.
Embodiment 4
In container, add solvent toluene, get totally 85 parts in Powdered maleic anhydride, vinyl acetate, acrylic acid then, wherein maleic anhydride, vinyl acetate, acrylic acid mol ratio are 10: 9: 1, earlier Powdered maleic anhydride is added in the container, after treating Powdered maleic anhydride dissolving, add vinyl acetate, acrylic acid, then add 1.7 parts of initator azodiisobutyronitriles, 78 ℃ of control reaction temperatures, 2.8 hours reaction time, last vacuum filtration, drying obtain Powdered multipolymer.Get totally 15 parts of barium titanate powder and Phosphation titanates, wherein, barium titanate powder and Phosphation titanate mol ratio are 1.4: 1, earlier barium titanate powder is added in the solvent toluene, add Phosphation titanate, surfactant reaction 2 hours again, make the toluene volatilization then, obtain solid, obtain the coupling ceramic powders after rolling.Multipolymer powder and coupling ceramic powders is dried mixed, and at 93 ℃, 13Mpa lower platen, pressurize 40min obtains mixed plate behind the mixing.Mixed plate is enclosed pressure-sensitive film and Copper Foil successively, put into press, compacting is 2 hours under 90 ℃, 29Mpa, and cooling back depanning obtains composite base plate.
Embodiment 5
In container, add solvent toluene, get totally 95 parts in Powdered maleic anhydride, vinyl acetate, acrylic acid then, wherein maleic anhydride, vinyl acetate, acrylic acid mol ratio are 10: 9: 1, earlier Powdered maleic anhydride is added in the container, after treating Powdered maleic anhydride dissolving, add vinyl acetate, acrylic acid, then add 0.95 part of initator azodiisobutyronitrile, 80 ℃ of control reaction temperatures, 3 hours reaction time, last vacuum filtration, drying obtain Powdered multipolymer.Get totally 5 parts of barium titanate powder and Phosphation titanates, wherein, barium titanate powder and Phosphation titanate mol ratio are 1.5: 1, earlier barium titanate powder is added in the solvent toluene, add Phosphation titanate, surfactant reaction 3 hours again, make the toluene volatilization then, obtain solid, obtain the coupling ceramic powders after rolling.Multipolymer powder and coupling ceramic powders is dried mixed, and at 85 ℃, 10Mpa lower platen, pressurize 30min obtains mixed plate behind the mixing.Mixed plate is enclosed pressure-sensitive film and Copper Foil successively, put into press, compacting is 2 hours under 100 ℃, 30Mpa, and cooling back depanning obtains composite base plate.
The above-mentioned specific embodiment only is schematically, rather than has restrictively, and those of ordinary skill in the art is under enlightenment of the present invention, and any improvement technical scheme not breaking away under the aim of the present invention all is within protection scope of the present invention.
Claims (10)
1. the preparation method of a multipolymer ceramic composite substrate is characterized in that, may further comprise the steps:
1) preparation multipolymer: in container, add solvent, add Powdered maleic anhydride then, stir, heat, described maleic anhydride dissolving back adds vinyl acetate, acrylic acid, described maleic anhydride, vinyl acetate, acrylic acid mol ratio are 10: 9: 1, then adding with described maleic anhydride, vinyl acetate and acrylic acid mass ratio is the initator of 0.2-2%, control 75-80 ℃ of reaction temperature, reaction time 2-3 hour, last vacuum filtration, drying obtain Powdered multipolymer;
2) preparation coupling ceramic powders: ceramic powders is added in the solvent, adding coupling agent, surfactant reaction 0.5-3 hour, make solvent evaporates then, obtain solid, obtain the coupling ceramic powders after rolling;
3) preparation mixed plate: described multipolymer powder and coupling ceramic powders is dried mixed, and at 85-95 ℃, 8-15MPa lower platen, pressurize 25-45min obtains mixed plate behind the mixing;
4) cover copper: described mixed plate is enclosed pressure-sensitive film and Copper Foil successively, put into press, compacting is 2-3 hour under 75-100 ℃, 25-30Mpa, and cooling back depanning obtains composite base plate.
2. the preparation method of multipolymer ceramic composite substrate according to claim 1 is characterized in that, reaction temperature described in the described step 1) is 85 ℃, and the described reaction time is 2 hours.
3. the preparation method of multipolymer ceramic composite substrate according to claim 1 is characterized in that, described step 2) described in the reaction time be 1 hour.
4. the preparation method of multipolymer ceramic composite substrate according to claim 1 is characterized in that, described coupling agent is the Phosphation titanate.
5. the preparation method of multipolymer ceramic composite substrate according to claim 1 is characterized in that, described ceramic powders is barium titanate.
6. the preparation method of multipolymer ceramic composite substrate according to claim 1, it is characterized in that multipolymer powder described in the described step 3) and coupling ceramic powders do to mix, behind the mixing at 90 ℃, 10MPa lower platen, pressurize 30min obtains mixed plate.
7. the preparation method of multipolymer ceramic composite substrate according to claim 1 is characterized in that, the described mixed plate of described step 4) is enclosed pressure-sensitive film and Copper Foil successively, puts into press, and compacting is 2 hours under 80 ℃, 30Mpa.
8. according to the multipolymer ceramic composite substrate of claim 1-7 preparation, it is characterized in that, comprise substrate and Copper Foil, described substrate comprises multipolymer, ceramic powders and coupling agent, the quality percentage composition of described multipolymer, described ceramic powders and described coupling agent is 5-40%, and the mol ratio of described ceramic powders and described coupling agent is 1-1.5: 1.
9. multipolymer ceramic composite substrate according to claim 8, it is characterized in that, described multipolymer comprises maleic anhydride, vinyl acetate and acrylic acid, and described maleic anhydride, vinyl acetate and acrylic acid mol ratio are 10: 9: 1.
10. multipolymer ceramic composite substrate according to claim 8 is characterized in that, described coupling agent is the Phosphation titanate.
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| CN2012100517254A CN103287015A (en) | 2012-03-01 | 2012-03-01 | Multi-polymer ceramic composite substrate and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1385467A (en) * | 2001-05-11 | 2002-12-18 | 财团法人工业技术研究院 | Composite material board used as circuit substrate |
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2012
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1385467A (en) * | 2001-05-11 | 2002-12-18 | 财团法人工业技术研究院 | Composite material board used as circuit substrate |
Non-Patent Citations (4)
| Title |
|---|
| 姚军龙、高琳、蔡斌: "马来酸酐三元共聚物的制备及其复合材料的介电性能研究", 《胶体与聚合物》, vol. 28, no. 3, 30 September 2010 (2010-09-30), pages 120 - 123 * |
| 杨明波: "《材料工程基础》", 31 March 2008, article "陶瓷粉体的处理", pages: 184-185 * |
| 高平: "《电子装备设计技术》", 31 August 2009, article "印刷电路基板的选用", pages: 114 * |
| 黄兴溢、柯清泉、江平开等: "颗粒填充聚合物高介电复合材料", 《高分子通报》, no. 12, 31 December 2006 (2006-12-31), pages 39 - 45 * |
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Application publication date: 20130911 |