CN102260864A - Preparation method of attapulgite/copper-core shell structure one-dimensional rod-like superfine copper powder - Google Patents
Preparation method of attapulgite/copper-core shell structure one-dimensional rod-like superfine copper powder Download PDFInfo
- Publication number
- CN102260864A CN102260864A CN2011102032747A CN201110203274A CN102260864A CN 102260864 A CN102260864 A CN 102260864A CN 2011102032747 A CN2011102032747 A CN 2011102032747A CN 201110203274 A CN201110203274 A CN 201110203274A CN 102260864 A CN102260864 A CN 102260864A
- Authority
- CN
- China
- Prior art keywords
- copper
- recessed soil
- soil
- centrifugation
- washed
- 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
Images
Landscapes
- Chemically Coating (AREA)
Abstract
The invention discloses a preparation method of an attapulgite/copper-core shell structure one-dimensional rod-like superfine copper powder. The preparation method comprises the following steps: firstly, acidizing original attapulgite with a hydrochloric acid solution; then soaking and absorbing the acidized attapulgite with a copper sulfate solution; subsequently, reducing and activating the absorbed attapulgite; and finally, carrying out surface chemical copper plating on the reduced and activated attapulgite so as to obtain the core shell structure one-dimensional rod-like superfine copper powder. By using the method, the density of the prepared meal plating has low density, low cost and complete metal cladding and is of a rod-like nano structure, and a novel field is created for development and application of the attapulgite and the economic added value of the attapulgite is improved.
Description
Technical field
The invention belongs to the electroless plating field, be specifically related to the method that attapulgite clay nano fiber surface electroless copper prepares nucleocapsid structure one-dimensional rod-like superfine cupper powder.
Background technology
Attapulgite clay (hereinafter to be referred as recessed soil) be a kind of layer of chain-like structure contain Shuifu County's zeopan clay mineral, desirable molecular formula is: Mg
5Si
8O
20(OH)
2(OH
2)
44H
2O, the theoretical chemistry composition is: SiO
256.96%; (Fe) O 23.83% for Mg, Al; H
2O 19.21%.The microstructure constructional feature of recessed native powder is familiar with by people, and it is to be 0. 1～1 μ m order of magnitude by length, and to be that the rod of the 15-20nm order of magnitude is brilliant constitute width (diameter); But different its microstructures in the place of production also have certain difference, show that mainly the brilliant length-to-diameter ratio aspect of rod is different.
Under normal conditions, recessed soil but is difficult to exist with dispersive independence rhabdolith state as a kind of powder body material, but forms the crystal accumulation body of a definite form, and these are assembled the brilliant bundle of the rod that forms by the brilliant close parallel of rod and are called for short brilliant bundle.Therefore in actual applications, must purify and excellent brilliant cleavage processing to attapulgite.
At present the research work that recessed soil carried out is mostly concentrated on and improve its absorption property, as products such as preparation water-retaining agents, added value is low.
Summary of the invention
The objective of the invention is to: the preparation method that a kind of recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder is provided, adopt this method to prepare the rod superfine copper powder at attapulgite clay nano fiber surface electroless copper, solve the technical barrier of preparation one-dimensional metal superfine powder, improve the economic value added of recessed soil.
Technical solution of the present invention is that the preparation method of this recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder is: at first, the original soil of recessed soil adopts hydrochloric acid soln to carry out acidifying; Then, the recessed soil after the acidifying adopts copper-bath to carry out oxidation liquid immersion absorption; Then, the recessed soil after the absorption carries out the reduction activation processing; At last, the recessed soil of reduction activation carries out Electroless copper, gets the one-dimensional rod-like superfine cupper powder.
Wherein, the preparation method of this recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder comprises following concrete steps:
(1) acidifying is purified: the original soil of recessed soil is added in mass concentration 1～20% hydrochloric acid with mass volume ratio 1:50 soaks, and mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) soak absorption: the CuSO that the recessed soil of gained after the acidifying is added 1～20 g/L with mass volume ratio 1:100
4Soak absorption in the solution, room temperature, mechanical stirring 2h, centrifugation, washed with de-ionized water, standby;
(3) chemical reduction: will be added to the NaH of 5～30 g/L with mass volume ratio 1:100 through the recessed soil after peroxidation liquid soaks absorption
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 10～13, room temperature, and mechanical stirring 2h, centrifugation, washed with de-ionized water, standby;
(4) electroless copper: will join in the chemical copper plating solution with mass volume ratio 1:500 through the recessed soil that above-mentioned reduction activation is handled, mechanical stirring 60min in 40～60.0 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 degree vacuum-drying 2h; Wherein the prescription of chemical bronze plating liquid is: copper sulfate 10.0～50 g/L, and formaldehyde 15～60.0 ml/L, Seignette salt 10～40g/L, EDTA 5～25.0g/L, pH 9.0～13.0, all the other water.
The present invention has the following advantages:
1, adopt the metal plating density of this method preparation less, cost is low, and metallic cover is complete, has club shaped structure, has started a new field for the Application and Development of recessed soil;
2, at recessed native powder surface plating one deck chemical plating copper layer, make the recessed native powder of copper cladization, this nucleocapsid structure one-dimensional rod-like superfine powder is when forming electro-conductive material, electrovacuum material, can put up a bridge by rod and form reticulated structure, compare the electrical conductor or the electric shielding body that can under less consumption, obtain same performance with ball shaped nano powder, irregular nano-powder, can save the consumption of nano-powder.
Description of drawings
Fig. 1 is the electromicroscopic photograph of acidifying purification recurve soil.
Fig. 2 is the electromicroscopic photograph of recessed soil/copper of the present invention-nucleocapsid structure one-dimensional rod-like superfine cupper powder.
Fig. 3 is the XRD figure of acidifying purification recurve soil.
Fig. 4 is the XRD figure of recessed soil/copper of the present invention-nucleocapsid structure one-dimensional rod-like superfine cupper powder.
Embodiment
Further specify technical solution of the present invention below in conjunction with embodiment, these specific embodiments can not be interpreted as it is restriction to technical solution.
Embodiment 1: prepare recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder according to following steps:
(1) the recessed native original soil of 10g is added in 500ml mass concentration 20% hydrochloric acid soaks, mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) get the CuSO that the recessed soil of step (1) gained adds 10g/L of 1000ml
4Soak absorption in the solution, mechanical stirring 2h under the room temperature condition, centrifugation, washed with de-ionized water, standby;
(3) get the NaH that the recessed soil of step (2) gained adds 5g/L of 1000ml
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 10, mechanical stirring 2h under the room temperature condition, and centrifugation, washed with de-ionized water, standby;
(4) get the recessed soil of step (3) gained and join in the 5000ml chemical copper plating solution, mechanical stirring 60min in 40 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 ℃ of vacuum-drying 2h; Wherein the prescription of 1L chemical bronze plating liquid is: copper sulfate 10.0 g/L, and formaldehyde 35.0 ml/L, Seignette salt 40g/L, EDTA 5g/L, pH 9.0, all the other water.
Embodiment 2: prepare recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder according to following steps:
(1) the recessed native original soil of 5g is added in 250ml mass concentration 1% hydrochloric acid soaks, mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) get the CuSO that the recessed soil of step (1) gained adds 1g/L of 500ml
4Soak absorption in the solution, mechanical stirring 2h under the room temperature condition, centrifugation, washed with de-ionized water, standby;
(3) get the NaH that the recessed soil of step (2) gained adds 15g/L of 500ml
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 13, mechanical stirring 2h under the room temperature condition, and centrifugation, washed with de-ionized water, standby;
(4) get the recessed soil of step (3) gained and join in the 2500ml chemical copper plating solution, mechanical stirring 60min in 60 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 ℃ of vacuum-drying 2h; Wherein the prescription of 1L chemical bronze plating liquid is: copper sulfate 40.0 g/L, and formaldehyde 60.0 ml/L, Seignette salt 10g/L, EDTA 15g/L, pH 10.0, all the other water.
Embodiment 3: prepare recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder according to following steps:
(1) the recessed native original soil of 1g is added in 50ml mass concentration 10% hydrochloric acid soaks, mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) get the CuSO that the recessed soil of step (1) gained adds 20g/L of 100ml
4Soak absorption in the solution, mechanical stirring 2h under the room temperature condition, centrifugation, washed with de-ionized water, standby;
(3) get the NaH that the recessed soil of step (2) gained adds 20g/L of 100ml
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 11, mechanical stirring 2h under the room temperature condition, and centrifugation, washed with de-ionized water, standby;
(4) get the recessed soil of step (3) gained and join in the 500ml chemical copper plating solution, mechanical stirring 60min in 50 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 ℃ of vacuum-drying 2h; Wherein the prescription of 1L chemical bronze plating liquid is: copper sulfate 30.0 g/L, and formaldehyde 15.0 ml/L, Seignette salt 25g/L, EDTA 25g/L, pH 13.0, all the other water.
Embodiment 4: prepare recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder according to following steps:
(1) the recessed native original soil of 2g is added in 100ml mass concentration 2% hydrochloric acid soaks, mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) get the CuSO that the recessed soil of step (1) gained adds 15g/L of 200ml
4Soak absorption in the solution, mechanical stirring 2h under the room temperature condition, centrifugation, washed with de-ionized water, standby;
(3) get the NaH that the recessed soil of step (2) gained adds 15g/L of 200ml
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 12, mechanical stirring 2h under the room temperature condition, and centrifugation, washed with de-ionized water, standby;
(4) get the recessed soil of step (3) gained and join in the 1000ml chemical copper plating solution, mechanical stirring 60min in 40 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 ℃ of vacuum-drying 2h; Wherein the prescription of 1L chemical bronze plating liquid is: copper sulfate 35.0 g/L, and formaldehyde 25.0 ml/L, Seignette salt 20g/L, EDTA 10g/L, pH 11.0, all the other water.
Embodiment 5: prepare recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder according to following steps:
(1) the recessed native original soil of 3g is added in 150ml mass concentration 15% hydrochloric acid soaks, mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) get the CuSO that the recessed soil of step (1) gained adds 6g/L of 300ml
4Soak absorption in the solution, mechanical stirring 2h under the room temperature condition, centrifugation, washed with de-ionized water, standby;
(3) get the NaH that the recessed soil of step (2) gained adds 15g/L of 300ml
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 10.5, mechanical stirring 2h under the room temperature condition, and centrifugation, washed with de-ionized water, standby;
(4) get the recessed soil of step (3) gained and join in the 1500ml chemical copper plating solution, mechanical stirring 60min in 60 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 ℃ of vacuum-drying 2h; Wherein the prescription of 1L chemical bronze plating liquid is: copper sulfate 20.0 g/L, and formaldehyde 30.0 ml/L, Seignette salt 30g/L, EDTA 22.5g/L, pH 12.0, all the other water.
Embodiment 6: prepare recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder according to following steps:
(1) the recessed native original soil of 4g is added in 200ml mass concentration 10% hydrochloric acid soaks, mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) get the CuSO that the recessed soil of step (1) gained adds 13g/L of 400ml
4Soak absorption in the solution, mechanical stirring 2h under the room temperature condition, centrifugation, washed with de-ionized water, standby;
(3) get the NaH that the recessed soil of step (2) gained adds 30g/L of 400ml
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 11.5, mechanical stirring 2h under the room temperature condition, and centrifugation, washed with de-ionized water, standby;
(4) get the recessed soil of step (3) gained and join in the 2000ml chemical copper plating solution, mechanical stirring 60min in 50 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 ℃ of vacuum-drying 2h; Wherein the prescription of 1L chemical bronze plating liquid is: copper sulfate 15.0 g/L, and formaldehyde 45.0 ml/L, Seignette salt 15g/L, EDTA 7g/L, pH 9.5, all the other water.
Embodiment 7: prepare recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder according to following steps:
(1) the recessed native original soil of 2g is added in 100ml mass concentration 11% hydrochloric acid soaks, mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) get the CuSO that the recessed soil of step (1) gained adds 2g/L of 200ml
4Soak absorption in the solution, mechanical stirring 2h under the room temperature condition, centrifugation, washed with de-ionized water, standby;
(3) get the NaH that the recessed soil of step (2) gained adds 25g/L of 200ml
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 12, mechanical stirring 2h under the room temperature condition, and centrifugation, washed with de-ionized water, standby;
(4) get the recessed soil of step (3) gained and join in the 1000ml chemical copper plating solution, mechanical stirring 60min in 40 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 ℃ of vacuum-drying 2h; Wherein the prescription of 1L chemical bronze plating liquid is: copper sulfate 45.0 g/L, and formaldehyde 55.0 ml/L, Seignette salt 25g/L, EDTA 20g/L, pH 12.5, all the other water.
Embodiment 8: prepare recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder according to following steps:
(1) the recessed native original soil of 5g is added in 250ml mass concentration 18% hydrochloric acid soaks, mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) get the CuSO that the recessed soil of step (1) gained adds 12g/L of 500ml
4Soak absorption in the solution, mechanical stirring 2h under the room temperature condition, centrifugation, washed with de-ionized water, standby;
(3) get the NaH that the recessed soil of step (2) gained adds 29g/L of 500ml
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 12.5, mechanical stirring 2h under the room temperature condition, and centrifugation, washed with de-ionized water, standby;
(4) get the recessed soil of step (3) gained and join in the 2500ml chemical copper plating solution, mechanical stirring 60min in 60 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 ℃ of vacuum-drying 2h; Wherein the prescription of 1L chemical bronze plating liquid is: copper sulfate 25.0 g/L, and formaldehyde 20.0 ml/L, Seignette salt 20g/L, EDTA 5.5g/L, pH 13.0, all the other water.
Embodiment 9: prepare recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder according to following steps:
(1) the recessed native original soil of 1g is added in 50ml mass concentration 4% hydrochloric acid soaks, mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) get the CuSO that the recessed soil of step (1) gained adds 6g/L of 100ml
4Soak absorption in the solution, mechanical stirring 2h under the room temperature condition, centrifugation, washed with de-ionized water, standby;
(3) get the NaH that the recessed soil of step (2) gained adds 11g/L of 100ml
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 13, mechanical stirring 2h under the room temperature condition, and centrifugation, washed with de-ionized water, standby;
(4) get the recessed soil of step (3) gained and join in the 500ml chemical copper plating solution, mechanical stirring 60min in 50 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 ℃ of vacuum-drying 2h; Wherein the prescription of 1L chemical bronze plating liquid is: copper sulfate 50.0 g/L, and formaldehyde 60.0 ml/L, Seignette salt 40g/L, EDTA 15.5g/L, pH 11.5, all the other water.
Claims (2)
1. the preparation method of recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder is characterized in that: at first, the original soil of recessed soil adopts hydrochloric acid soln to carry out acidifying; Then, the recessed soil after the acidifying adopts copper-bath to carry out oxidation liquid immersion absorption; Then, the recessed soil after the absorption carries out the reduction activation processing; At last, the recessed soil of reduction activation carries out Electroless copper, gets recessed soil/copper-nucleocapsid structure one-dimensional rod-like superfine cupper powder.
2. the preparation method of recessed soil/copper according to claim 1-nucleocapsid structure one-dimensional rod-like superfine cupper powder is characterized in that the preparation method of this nucleocapsid structure rod superfine copper powder comprises following concrete steps:
(1) acidifying is purified: the original soil of recessed soil is added in mass concentration 1～20% hydrochloric acid with mass volume ratio 1:50 soaks, and mechanical stirring 8h, centrifugation, washed with de-ionized water, standby;
(2) soak absorption: the CuSO that the recessed soil of gained after the acidifying is added 1～20 g/L with mass volume ratio 1:100
4Soak absorption in the solution, room temperature, mechanical stirring 2h, centrifugation, washed with de-ionized water, standby;
(3) reduction activation: will be added to the NaH of 5～30 g/L with mass volume ratio 1:100 through the recessed soil after peroxidation liquid soaks absorption
2PO
2In the solution, regulating the pH value with 2mol/L NaOH is 10～13, room temperature, and mechanical stirring 2h, centrifugation, washed with de-ionized water, standby;
(4) electroless copper: will join in the chemical copper plating solution with mass volume ratio 1:500 through the recessed soil that above-mentioned reduction activation is handled, mechanical stirring 60min in 40～60.0 ℃ of water-baths, after plating finishes, centrifugation, washed with de-ionized water gets superfine cupper powder behind 90 degree vacuum-drying 2h; Wherein the prescription of chemical bronze plating liquid is: copper sulfate 10.0～50 g/L, and formaldehyde 15～60.0 ml/L, Seignette salt 10～40g/L, EDTA 5～25.0g/L, pH 9.0～13.0, all the other water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110203274.7A CN102260864B (en) | 2011-07-20 | 2011-07-20 | Preparation method of attapulgite/copper-core shell structure one-dimensional rod-like superfine copper powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110203274.7A CN102260864B (en) | 2011-07-20 | 2011-07-20 | Preparation method of attapulgite/copper-core shell structure one-dimensional rod-like superfine copper powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102260864A true CN102260864A (en) | 2011-11-30 |
| CN102260864B CN102260864B (en) | 2014-03-12 |
Family
ID=45007691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110203274.7A Expired - Fee Related CN102260864B (en) | 2011-07-20 | 2011-07-20 | Preparation method of attapulgite/copper-core shell structure one-dimensional rod-like superfine copper powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102260864B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143339A (en) * | 2013-03-11 | 2013-06-12 | 江苏大学 | Preparation method of solid base catalyst, and application of solid base catalyst in catalytic preparation of biodiesel |
| CN103357888A (en) * | 2013-07-05 | 2013-10-23 | 淮阴工学院 | Green synthetic method of one-dimensional core-shell type nano silver/attapulgite clay composite material |
| CN103418365A (en) * | 2013-08-06 | 2013-12-04 | 江苏大学 | Graphene based solid base catalyst preparation and application thereof in biodiesel production |
| CN114951687A (en) * | 2022-06-30 | 2022-08-30 | 淮安中顺环保科技有限公司 | Room temperature macro preparation method of attapulgite-nano copper powder compound |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60243277A (en) * | 1984-05-14 | 1985-12-03 | Nissan Chem Ind Ltd | Manufacture of copper powder coated with silver |
| CN101078111A (en) * | 2006-05-26 | 2007-11-28 | 佛山市顺德区汉达精密电子科技有限公司 | Chemical copper plating solution and technique thereof |
| CN101654797A (en) * | 2008-08-19 | 2010-02-24 | 陈允盈 | Chemical-copper plating liquid and copper plating production process |
| CN101892500A (en) * | 2010-04-27 | 2010-11-24 | 东莞东运机械制造有限公司 | Novel copper plating process for copper oxide |
-
2011
- 2011-07-20 CN CN201110203274.7A patent/CN102260864B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60243277A (en) * | 1984-05-14 | 1985-12-03 | Nissan Chem Ind Ltd | Manufacture of copper powder coated with silver |
| CN101078111A (en) * | 2006-05-26 | 2007-11-28 | 佛山市顺德区汉达精密电子科技有限公司 | Chemical copper plating solution and technique thereof |
| CN101654797A (en) * | 2008-08-19 | 2010-02-24 | 陈允盈 | Chemical-copper plating liquid and copper plating production process |
| CN101892500A (en) * | 2010-04-27 | 2010-11-24 | 东莞东运机械制造有限公司 | Novel copper plating process for copper oxide |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143339A (en) * | 2013-03-11 | 2013-06-12 | 江苏大学 | Preparation method of solid base catalyst, and application of solid base catalyst in catalytic preparation of biodiesel |
| CN103357888A (en) * | 2013-07-05 | 2013-10-23 | 淮阴工学院 | Green synthetic method of one-dimensional core-shell type nano silver/attapulgite clay composite material |
| CN103418365A (en) * | 2013-08-06 | 2013-12-04 | 江苏大学 | Graphene based solid base catalyst preparation and application thereof in biodiesel production |
| CN103418365B (en) * | 2013-08-06 | 2015-12-02 | 江苏大学 | A kind of preparation of solid base catalyst and the application in production of biodiesel thereof |
| CN114951687A (en) * | 2022-06-30 | 2022-08-30 | 淮安中顺环保科技有限公司 | Room temperature macro preparation method of attapulgite-nano copper powder compound |
| CN114951687B (en) * | 2022-06-30 | 2024-02-13 | 淮安中顺环保科技有限公司 | Room temperature macro preparation method of attapulgite-nanometer copper powder compound |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102260864B (en) | 2014-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111132533B (en) | MXene/silver nanowire composite electromagnetic shielding film | |
| CN102071570B (en) | Method for preparing rodlike ultrafine silver powder by carrying out chemical silvering on surfaces of attapulgite nanofibers | |
| CN102260864B (en) | Preparation method of attapulgite/copper-core shell structure one-dimensional rod-like superfine copper powder | |
| CN103128308B (en) | Method for preparing compact silver-coated copper powder by using one pot method | |
| CN103450845B (en) | Preparation method of wave-absorbing material | |
| CN103084581B (en) | Preparation method for copper nanowire | |
| CN105598467B (en) | A kind of preparation method of the high temperature resistant silver nickel coat copper-clad conductive powder body with core-shell structure | |
| CN104209531B (en) | A kind of cobalt/Graphene composite nano wave-absorbing material and preparation method thereof | |
| CN102108511A (en) | Electroplating and chemical plating composite protecting process for NdFeB permanent magnet and NdFeB permanent magnet with composite protective layer | |
| CN103540786A (en) | Preparation method of graphene/copper-nickel nano composite material | |
| CN101712076A (en) | Preparation method as well as application of novel electromagnetic shielding filler | |
| CN103481583B (en) | A kind of surface has the preparation method processing Copper Foil of loose structure | |
| CN107303609B (en) | A kind of nanometer-level silver copper-clad recombination line and its preparation method and application | |
| CN102354571B (en) | Nano-copper conductive slurry preparation method by utilizing printed circuit board alkaline etching waste liquid | |
| CN103757617B (en) | A kind of Ni-Cu-La-B quaternary alloy plating solution and the method for the plating of glass fibre chemistry | |
| CN107754867A (en) | A kind of high mechanical properties magnetic strong basic anion-exchange resin and preparation method thereof | |
| TW200604377A (en) | Conductive microparticle, process for producing the same and anisotropic conductive material | |
| CN105753223B (en) | A kind of processing method of the electroplating effluent containing heavy metal ion | |
| CN107460030B (en) | Graphene automobile engine oil | |
| CN100506440C (en) | Preparation process of micro silver powder | |
| CN101353814A (en) | Method for preparing dendritic nano-silver by liquid phase synthesis | |
| CN104477968A (en) | Method for preparing cuprous oxide nanometer wire by utilizing plant phenolic acid | |
| Ma et al. | An MXene coating with electromagnetic wave absorbing performance | |
| CN103602310A (en) | Ferrite composite wave-absorbing material used for wireless radio frequency identification | |
| CN101406963B (en) | Method for preparing nano silver powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20140720 |
|
| EXPY | Termination of patent right or utility model |