CN105175965B - Lithium molybdate nano-rod electronic packaging material - Google Patents
Lithium molybdate nano-rod electronic packaging material Download PDFInfo
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- CN105175965B CN105175965B CN201510560165.9A CN201510560165A CN105175965B CN 105175965 B CN105175965 B CN 105175965B CN 201510560165 A CN201510560165 A CN 201510560165A CN 105175965 B CN105175965 B CN 105175965B
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- lithium molybdate
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Abstract
The invention discloses a lithium molybdate nano-rod electronic packaging material, and belongs to the technical field of electronic packaging materials. The lithium molybdate nano-rod electronic packaging material comprises, by mass, 65-80% of lithium molybdate nano-rods, 8-12% of polyvinyl alcohol, 0.05-0.5% of sodium fatty alcohol polyoxyethylene ether carboxylate, 4-8% of aluminum isopropoxide, 4-8% of microcrystalline paraffin and 3-7% of water, the diameter of the lithium molybdate nano-rods is 50-100nm, and the length of the lithium molybdate nano-rods is 1-3[mu]m. The lithium molybdate nano-rod electronic packaging material has the characteristics of good insulation property, excellent ageing and corrosion resistance, high heat conduction coefficient, small heat expansion coefficient, good workability, simple preparation process and low preparation temperature, and has good application prospect in the field of electronic packaging materials.
Description
Technical field
The invention belongs to electronic package material technical field, and in particular to a kind of lithium molybdate nanometer rods electronic package material.
Background technology
With the miniaturization of electronic equipment, multifunction and high performance, the requirement to electronic package material is increasingly
It is high.As preferable electronic package material, it is desirable to thermal coefficient of expansion it is little, thermal conductivity factor is high, good insulating, ageing-resistant and resistance to
Corrosive nature is excellent, easy processing the features such as, can play fixing seal, make electronic equipment from external environment interference, improve
The ability that the life-span of electronic equipment and enhancing environment are adapted to.
National inventing patent " electronic devices and components ceramic powder used for packing material and its production method " (national inventing patent number：
ZL201210396718.8) with containing barium monoxide, boron oxide, silica, aluminum oxide, zinc oxide, zirconium oxide, titanium oxide it is compound
Oxide has obtained ceramic electronic encapsulating material as raw material in 800-1000 DEG C of sintering." a kind of heat conduction is resistance to for national inventing patent
The solar cell package material of time " (national inventing patent number：ZL201210089355.3) disclose with ethene-vinyl acetate
Ester copolymer, ethylenic copolymer, acrylate modified silicates filler, peroxide crosslinking agent, phenols or phosphorous
Acid esters kind antioxidant and hindered amine light stabilizer as raw material, through batch mixing, melting extrusion, casting film-forming and splitting winding four
Individual technical process has prepared a kind of weather-proof battery packaging material of heat conduction.National inventing patent " use by a kind of high power LED package
Epoxy resin composite and preparation method thereof " (national inventing patent number：ZL201310180484.8) disclose and changed with organosilicon
Property epoxy resin, cycloaliphatic epoxy resin, hydrogenated bisphenol A epoxy resin, defoamer, curing agent and polyalcohol etc. as raw material,
Solidify 0.5-3h at 80-150 DEG C, the demoulding solidifies 1-10h and obtained epoxy resin composite encapsulating material after 90-160 DEG C.
Although inorganic non-metallic electronic package material has the features such as intensity is high, thermal coefficient of expansion is little, ageing-resistant performance is good,
But haveing the shortcomings that to be difficult to processes, preparation temperature is high.Macromolecule electronic package material has easy processing, good insulating, preparation
The characteristics of temperature is low, but the shortcomings of there is also thermal coefficient of expansion big, loss of properties on aging.Therefore, homogenous material is difficult to meet electricity
The requirement of sub- encapsulating material performance.
The content of the invention
The invention aims to solve problem above, there is provided lithium molybdate nanometer rods introduce poly- second as primary raw material
Enol, AEO carboxylic acid sodium, aluminium isopropoxide, microcrystalline wax and water, be desirably to obtain with thermal coefficient of expansion it is little, lead
The low lithium molybdate nanometer rods electronics of hot coefficient height, good insulating, ageing-resistant and fine corrosion resistance, easy processing and preparation temperature
Encapsulating material.
The mass percent composition of lithium molybdate nanometer rods electronic package material provided by the present invention is as follows：
Lithium molybdate nanometer rods 65-80%, polyvinyl alcohol 8-12%, AEO carboxylic acid sodium 0.05-0.5%,
Aluminium isopropoxide 4-8%, microcrystalline wax 4-8%, water 3-7%.
A diameter of 50-100nm of lithium molybdate nanometer rods of the present invention, length are 1-3 μm.
The concrete preparation method of lithium molybdate nanometer rods provided by the present invention is as follows：
Using sodium molybdate, lithium acetate as raw material, water is solvent, and wherein sodium molybdate and the mol ratio of lithium acetate are 1:1, by molybdenum
Sour sodium, lithium acetate are placed in reaction vessel after uniformly mixing with water and seal, in temperature 120-180 DEG C, insulation 12-48h, wherein
Sodium molybdate is not more than the 50% of water weight with the weight of lithium acetate.
The concrete preparation method of lithium molybdate nanometer rods electronic package material provided by the present invention is as follows：
Lithium molybdate nanometer rods, polyvinyl alcohol, AEO carboxylic acid sodium, isopropanol are weighed according to mass ratio
Aluminium, microcrystalline wax and water, it is then that polyvinyl alcohol is soluble in water, then by mechanical agitation by other raw materials and poly-vinyl alcohol solution
It is well mixed, is placed in punch forming in grinding tool, in 80-120 DEG C, insulation 24-72h, lithium molybdate has been obtained after natural cooling and has been received
Rice rod electronic package material.
Compared with prior art, the present invention has following technique effect：
1st, the present invention is with lithium molybdate nanometer rods, polyvinyl alcohol, AEO carboxylic acid sodium, aluminium isopropoxide, crystallite
Paraffin and water can prepare the Electronic Packaging material that inorganic nonmetallic nanometer material is compounded to form with macromolecular material as raw material
Material, this electronic package material has that thermal coefficient of expansion is little, thermal conductivity factor is high, ageing-resistant and fine corrosion resistance, easy processing,
The features such as good insulating, have a good application prospect in Electronic Packaging field.
2nd, the preparation temperature of lithium molybdate nanometer rods electronic package material of the present invention is 80-120 DEG C, less than inorganic non-metallic envelope
The preparation temperature of package material, preparation process is simple, reduces processing step and energy consumption, reduces production cost.
Description of the drawings
Fig. 1 is the SEM image of lithium molybdate nanometer rods electronic package material prepared by embodiment 1；
As can be seen from Fig. lithium molybdate nanometer rods electronic package material is made up of nanometer rods and random particle, nanometer rods
A diameter of 50-100nm, length are 1-3 μm.
Specific embodiment
Below in conjunction with specific embodiment in detail the present invention is described in detail, but the present invention is not limited to following embodiments.
Embodiment 1
Determine that the mass percent composition of lithium molybdate nanometer rods electronic package material is as follows：
Embodiment 2
Determine that the mass percent composition of lithium molybdate nanometer rods electronic package material is as follows：
Embodiment 3
Determine that the mass percent composition of lithium molybdate nanometer rods electronic package material is as follows：
Embodiment 4
Determine that the mass percent composition of lithium molybdate nanometer rods electronic package material is as follows：
Embodiment 5
Determine that the mass percent composition of lithium molybdate nanometer rods electronic package material is as follows：
Embodiment 6
Determine that the mass percent composition of lithium molybdate nanometer rods electronic package material is as follows：
Embodiment 7
Determine that the mass percent composition of lithium molybdate nanometer rods electronic package material is as follows：
Embodiment 8
Determine that the mass percent composition of lithium molybdate nanometer rods electronic package material is as follows：
Characteristic parameter such as table 1 institute of the embodiment of the present invention 1 to the gained lithium molybdate nanometer rods electronic package material of embodiment 8
Show：
Table 1
Claims (2)
1. a kind of lithium molybdate nanometer rods electronic package material, it is characterised in that：By percentage to the quality, the electronic package material
Composition and ratio are as follows：
2. as claimed in claim 1 a kind of lithium molybdate nanometer rods electronic package material, it is characterised in that：The lithium molybdate nanometer rods
A diameter of 50-100nm, length be 1-3 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510560165.9A CN105175965B (en) | 2015-09-06 | 2015-09-06 | Lithium molybdate nano-rod electronic packaging material |
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|---|---|---|---|
| CN201510560165.9A CN105175965B (en) | 2015-09-06 | 2015-09-06 | Lithium molybdate nano-rod electronic packaging material |
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| CN105175965A CN105175965A (en) | 2015-12-23 |
| CN105175965B true CN105175965B (en) | 2017-05-10 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479410A (en) * | 2016-10-28 | 2017-03-08 | 安徽工业大学 | A kind of barium aluminate nanometer sheet combined high temperature fluid sealant |
| CN106634708A (en) * | 2016-10-28 | 2017-05-10 | 安徽工业大学 | Copper indate nanowire composite high-temperature sealant |
| CN106497461A (en) * | 2016-10-28 | 2017-03-15 | 安徽工业大学 | Metaantimmonic acid lanthanum nanosphere high-temperature seal adhesive |
| CN106479404A (en) * | 2016-10-28 | 2017-03-08 | 安徽工业大学 | A kind of zinc molybdate nanometer rods combined high temperature fluid sealant |
| CN106497487A (en) * | 2016-10-28 | 2017-03-15 | 安徽工业大学 | A kind of molybdic acid indium nanometer rods high-temperature seal adhesive |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788478A (en) * | 2012-11-01 | 2014-05-14 | 合肥杰事杰新材料股份有限公司 | ATO filled polymer matrix composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102623687A (en) * | 2012-04-09 | 2012-08-01 | 华中科技大学 | Preparation method for high-capacity molybdenum dioxide anode material and application of high-capacity molybdenum dioxide anode material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788478A (en) * | 2012-11-01 | 2014-05-14 | 合肥杰事杰新材料股份有限公司 | ATO filled polymer matrix composite material and preparation method thereof |
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