CN1327894A - Process for preparing light metallic microspheres with natural pollen as core skeleton - Google Patents
Process for preparing light metallic microspheres with natural pollen as core skeleton Download PDFInfo
- Publication number
- CN1327894A CN1327894A CN 01113644 CN01113644A CN1327894A CN 1327894 A CN1327894 A CN 1327894A CN 01113644 CN01113644 CN 01113644 CN 01113644 A CN01113644 A CN 01113644A CN 1327894 A CN1327894 A CN 1327894A
- Authority
- CN
- China
- Prior art keywords
- pollen
- core skeleton
- light metallic
- metallic microspheres
- chemical plating
- 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.)
- Granted
Links
Abstract
A light metallic microspheres containing natural pollen as its core skeleton is preared through treating the surface of pollen particles to change it from strong lipophilicity to hydrophilicity, sensitizing the pollen particles in sternous chloride colloid, activating them in Pd-containing activating liquid, chemical coating by dispersing them in chemical coating liquid purifying and screening.
Description
The present invention is a kind of preparation method of light metallic microspheres, and especially a kind of is the preparation method of the light metallic microspheres of core skeleton with the nonmetallic substance.
Metal powder material has good electromagnetism, mechanical performance and is widely used, but because the ratio of metal powder is great, makes it be subjected to a lot of restrictions, and the preparation of novel light metallic composite is the focus of research both at home and abroad always.
Chemical plating (electroless plating, be called auto-catalytic chemical plating again) be meant do not have extrinsic current to pass through, utilize appropriate reductant that the solution metal ion is reduced into metal simple-substance and is deposited on the catalytic activity body surface, form a kind of technology of metal level, it is simple to have technology, and coating is even, fine and close, and is wear-resistant, substrate need not conduction, can deposit on metal and nonmetal any substrate material surface.Therefore chemical plating is to realize the metallized important means of nonmetallic surface, and is common as at coating surface metallic nickel, copper etc. such as plastics, carbon fiber, pottery, cement based, is widely used in every profession and trades such as electronics, information, instrument manufacturing, chemical engineering industries.Therefore, chemical plating has in preparation and demonstrates remarkable advantages aspect the Metal Substrate composite powder material of nucleocapsid structure, and becomes new research focus in recent years.The most commonly at ceramic powders coating surface last layer metallic nickel or copper etc., the composite powder material of the metallic cover pottery of acquisition can be used as contact material, enhancement mode material and microwave absorbing material etc.Someone is kernel templates with the polymer microballoon, and by metal shell on the electroless deposition, the composition metal microballoon of acquisition can be used as intellectual material.
Purpose of the present invention just provides that a kind of volume is little, in light weight, the preparation method simply with the natural pollen is the preparation method of the light metallic microspheres of core skeleton.
Of the present invention is that the preparation method of the light metallic microspheres of core skeleton mainly contains following step with the natural pollen:
1. pollen is made surface-active-treatment, making the former surface conversion that is strong oil-wet is hydrophily;
2. with the stannous chloride colloid above-mentioned pollen is carried out sensitization and handle, put the people then and contain activation processing in the palladium activating solution, obtain the active initiator layer of one deck palladium on the pollen surface;
3. will be scattered in the chemical plating fluid by the dispersant even action through the pollen of above-mentioned processing, carry out chemical plating then and coat;
4. it is the light metallic microspheres of core skeleton that purified and screening obtains from natural pollen.
The metal that chemical plating coated is gold or silver-colored, or copper or nickel or cobalt.During the chemical plating clad metal, can under the ultrasonic wave radiation is auxiliary, carry out.
The invention has the advantages that the metallic microspheres that adopts this method to produce, its volume is little, weight is very light, big I is controlled according to the thickness of metallic cover, and the method for preparation is simpler, need not expensive equipment, when reducing metal composite microballoon proportion greatly, do not influence the electromagnetic performance of metal itself again, for new approach and raw material have been opened up in the development of advanced composite material (ACM).
Embodiment of the present invention are as follows:
(1) pollen is handled through surfactant, making its former surface conversion that is strong oil-wet is hydrophily, and provides the good metal binding site for next step; (2) carry out sensitization with the stannous chloride colloid and handle, put into then and contain palladium activating solution activation processing, make the pollen grain surface have uniform catalytic activity; (3) pollen of activated processing being scattered in formaldehyde by the dispersant even action is in the chemical bronze plating liquid of reducing agent, and carries out electroless copper down in that ultrasonic radiation is auxiliary, at the surperficial uniform deposition last layer of every pollen metallic copper; (4) the purified and screening of product, obtaining with pollen is the light-weight metal copper microballoon of core skeleton.
Single still reaction input amounts of concrete technological parameter by regulating chemical plating and plating time, bath concentration, pollen etc., the thickness of metal carbonyl coat is also different, so the metallic microspheres that varies in size of controllability preparation.
Claims (3)
1. one kind is the preparation method of the light metallic microspheres of core skeleton with the natural pollen, it is characterized in that the method for preparing is as follows:
1. pollen is made surface-active-treatment, making the former surface conversion that is strong oil-wet is hydrophily;
2. with the stannous chloride colloid above-mentioned pollen is carried out sensitization and handle, put into then and contain palladium activating solution activation processing, obtain the active initiator layer of one deck palladium on the pollen surface;
3. will be scattered in the chemical plating fluid by the dispersant even action through the pollen of above-mentioned processing, carry out chemical plating then and coat;
4. it is the light metallic microspheres of core skeleton that purified and screening obtains from natural pollen.
2. according to claim 1 is the light metallic microspheres of core skeleton with pure natural pollen, it is characterized in that the metal that chemical plating coats is gold or silver-colored, or copper or nickel or cobalt.
3. according to claim 1 and 2 is the light metallic microspheres of core skeleton with pure natural pollen, when it is characterized in that the chemical plating clad metal, can carry out under the ultrasonic wave radiation is auxiliary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011136448A CN1158406C (en) | 2001-05-28 | 2001-05-28 | Process for preparing light metallic microspheres with natural pollen as core skeleton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011136448A CN1158406C (en) | 2001-05-28 | 2001-05-28 | Process for preparing light metallic microspheres with natural pollen as core skeleton |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1327894A true CN1327894A (en) | 2001-12-26 |
| CN1158406C CN1158406C (en) | 2004-07-21 |
Family
ID=4660357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011136448A Expired - Fee Related CN1158406C (en) | 2001-05-28 | 2001-05-28 | Process for preparing light metallic microspheres with natural pollen as core skeleton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1158406C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167838A (en) * | 2010-12-21 | 2011-08-31 | 苏州纳微生物科技有限公司 | Polymer composite microsphere containing dendritic structure, anisotropic conducting material and anisotropic conducting film |
| CN102191489A (en) * | 2011-04-28 | 2011-09-21 | 上海交通大学 | Method for preparing metal material with biomorphic fine hierarchical structural morphology |
| CN102756130A (en) * | 2012-07-11 | 2012-10-31 | 沈阳理工大学 | Preparation method of metal powder |
| CN110433741A (en) * | 2019-07-08 | 2019-11-12 | 浙江工业大学 | A kind of aromatic antibacterial microcapsule and preparation method thereof with carbon skeleton |
-
2001
- 2001-05-28 CN CNB011136448A patent/CN1158406C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167838A (en) * | 2010-12-21 | 2011-08-31 | 苏州纳微生物科技有限公司 | Polymer composite microsphere containing dendritic structure, anisotropic conducting material and anisotropic conducting film |
| CN102167838B (en) * | 2010-12-21 | 2012-11-28 | 苏州纳微生物科技有限公司 | Polymer composite microsphere containing dendritic structure, anisotropic conducting material and anisotropic conducting film |
| CN102191489A (en) * | 2011-04-28 | 2011-09-21 | 上海交通大学 | Method for preparing metal material with biomorphic fine hierarchical structural morphology |
| CN102756130A (en) * | 2012-07-11 | 2012-10-31 | 沈阳理工大学 | Preparation method of metal powder |
| CN110433741A (en) * | 2019-07-08 | 2019-11-12 | 浙江工业大学 | A kind of aromatic antibacterial microcapsule and preparation method thereof with carbon skeleton |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1158406C (en) | 2004-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1966765B (en) | Activation method for chemical plating of non-metallic material and chemical plating therefor | |
| US5945158A (en) | Process for the production of silver coated particles | |
| CN111069591B (en) | Preparation method of nickel-cobalt alloy particle modified graphene micro-sheet wave-absorbing composite powder | |
| Aixiang et al. | Electroless Ni-P coating of cenospheres using silver nitrate activator | |
| KR101078253B1 (en) | Preparation of Ag coated Cu powder by electroless plating method | |
| CN106119818B (en) | A kind of method and its film of inorganic powder surface chemical plating | |
| Tang et al. | A novel surface activation method for Ni/Au electroless plating of acrylonitrile–butadiene–styrene | |
| CN109423637A (en) | A kind of preparation method of high conductive material | |
| CN107498064A (en) | A kind of preparation method of high temperature electric slurry ultra-fine copper galactic nucleus shell composite powder | |
| Tong et al. | Preparation of Co-plated WC powders by a non-precious-Co-activation triggered electroless plating strategy | |
| Wang et al. | Electroless nickel plating on chitosan-modified wood veneer | |
| US6291025B1 (en) | Electroless coatings formed from organic liquids | |
| Kang et al. | Simple and fast microwave-enhanced wet etching of SiC particles for electroless Ni-P plating | |
| CN1158406C (en) | Process for preparing light metallic microspheres with natural pollen as core skeleton | |
| Ru et al. | Preparation and characterization of Ni-Cu dual coated ZTA particles by ionic liquid-assisted electroless plating as reinforcement of metal-based composites | |
| CN114260450A (en) | Silver-plated micron-sized particles and preparation method and application thereof | |
| CN1730440A (en) | Micrometer, nanometer (SiC)P surface entirely-cladding technology | |
| Muraliraja et al. | A review of electroless coatings on non-metals: Bath conditions, properties and applications | |
| Chen et al. | Microwave-assisted activation for electroless nickel plating on PMMA microspheres | |
| CN101306469B (en) | Core-shell type nano iron-silver bimetal granule and preparation method thereof | |
| Liu et al. | Electroless deposition method for silver‐coated carbon fibres | |
| Jeon et al. | Preparation of silver/PMMA beads via the in sito reduction of a silver alkylcarbamate complex | |
| Cai et al. | Surface metallization of cenospheres and precipitators by electroless plating | |
| Dong et al. | Morphology and composition of nickel–boron nanolayer coating on boron carbide particles | |
| Zhang et al. | Copper-Ti3SiC2 composite powder prepared by electroless plating under ultrasonic environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |