CN105949868A - Nano silicon dioxide wrapped type aluminum paste - Google Patents
Nano silicon dioxide wrapped type aluminum paste Download PDFInfo
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- CN105949868A CN105949868A CN201610428208.2A CN201610428208A CN105949868A CN 105949868 A CN105949868 A CN 105949868A CN 201610428208 A CN201610428208 A CN 201610428208A CN 105949868 A CN105949868 A CN 105949868A
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- aluminum paste
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
- C09C1/64—Aluminium
- C09C1/648—Aluminium treated with inorganic and organic, e.g. polymeric, compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/12—Treatment with organosilicon compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses nano silicon dioxide wrapped type aluminum paste prepared from aluminum paste body, pentaerythritol, sodium stearate, tetraethyl orthosilicate, nano diatomite, nano silicon dioxide, rosin, triethyl citrate, methyl methacrylate and auxiliaries. The aluminum paste is good in covering effect, high in insulation performance, good in antioxidant performance and good in storage stability and can be stored for 5 years or above. Acid and alkali corrosion resistance and abrasion resistance of the aluminum paste prepared through the method are 1 or 1.5 times higher than those of common aluminum paste, dispersity in organic matrixes is good, the aluminum paste is good in weather resistance and dispersity, coating adhesion is remarkably improved, a coating film is bright and full, mechanical performance is good, service life is long, and the application range of the aluminum paste is greatly improved. The aluminum paste is widely used in the industries such as coating, paint, printing ink, printing, textile printing, injection molding, silica gel, leather, toys, handicrafts, mobile phone shells, television shells, computer shells and automobiles.
Description
Technical field
The present invention relates to aluminum paste field, particularly relate to a kind of nano silicon cladded type aluminum paste.
Background technology
Aluminum paste is the metallic pigments with silver gray metallic luster that a kind of usage amount is maximum, and its manufacture method uses the method for wet ball-milling mostly.Wet ball grinding uses organic solvent mainly to improve the efficiency of ball aluminum powder flaking, prevents aluminium powder and air contact to avoid the danger of blast simultaneously.The use of organic solvent, obtained product is oiliness aluminum paste, is widely used at oil paint and oil-based ink field, but existing aluminum paste acid-alkali-corrosive-resisting poor performance, and the poor dispersion in organic matrix, through occurring being likely to occur the phenomenon that levelability is bad.
Summary of the invention
It is an object of the invention to provide a kind of nano silicon cladded type aluminum paste, be achieved through the following technical solutions:
A kind of nano silicon cladded type aluminum paste, is made up of following component by weight: silver aluminium paste 135, tetramethylolmethane 30, stearic acid sodium 5, tetraethyl orthosilicate 10, nano diatomite 0.3, nano silicon 8, Colophonium 25, triethyl citrate 1, methyl methacrylate 2, auxiliary agent 1；
Described nano diatomite processes through being blended with nano silicon: add in the aqueous isopropanol that mass concentration is 2.86% by nano diatomite and nano silicon, after first soaking 30 minutes, stir 15 minutes with 120r/min rotating speed again, after standing 10 minutes, it is ground 20 minutes again, filter, washing, dry；
Described Colophonium is through pretreatment: added to by Colophonium in the acrylic acid solution that mass concentration is 1.84% successively, soak 5 minutes, stir 15 minutes with 150r/min speed at 43 DEG C, filter, it is then added in the acrylic acid solution that mass concentration is 4.63%, soak 5 minutes, stir 15 minutes with 150r/min speed at 52 DEG C, filter, be then added in the acrylic acid solution that mass concentration is 7.25%, soak 5 minutes, stir 15 minutes with 150r/min speed at 64 DEG C, filter, washing, dry,；
Described auxiliary agent is made up of following component in percentage terms: 28% oleic acid, 50% POLYPROPYLENE GLYCOL, 4% starch, 18% stearic acid；The preparation method of described adjuvant is: add in high mixer by oleic acid, POLYPROPYLENE GLYCOL, starch, stearic acid by respective percentage ratio, at 52 DEG C, stirs 15 minutes with 450r/min speed, naturally cools to room temperature,；
Described triethyl citrate, methyl methacrylate process through being blended: add in high mixer by triethyl citrate, methyl methacrylate, add the suberic acid of mixture quality 0.5%, at 72 DEG C, stir 40 minutes with 980r/min rotating speed, stand 1 hour,.
A kind of preparation method of nano silicon cladded type aluminum paste, including:
1) first aluminum paste is dispersed in benzene kind solvent and obtains mixture, under the conditions of 80～90 DEG C, add tetramethylolmethane, stearic acid sodium, tetraethyl orthosilicate in the resulting mixture and stir 10 minutes with 50r/min rotating speed, it is sequentially added into nano diatomite after stirring to continue to stir 20 minutes with 50r/min rotating speed with nanometer titanium dioxide silicone blends, stands 30 minutes；
2) to 1) in material add Colophonium, triethyl citrate and methyl methacrylate blend, after stirring, be heated to 48 DEG C, be incubated 15 minutes；
3) to 2) in material add auxiliary agent, with 25r/min rotating speed stir 4 hours, after standing 3 hours, filter, washing, dry, drying temperature be 32 DEG C,.
nullThe present invention is by substantial amounts of experimentation，Tradition aluminum paste acid-alkali-corrosive-resisting poor performance is improved by a kind of nano silicon cladded type aluminum paste of preparation，And the poor dispersion in organic matrix，Through occurring being likely to occur the problem that levelability is bad，The present invention is by being blended nano silicon with nano diatomite，Cooperation is through the synergism of the Colophonium of pretreatment，Can be uniformly at the clad of one layer of even compact of aluminum paste Surface coating，The aluminum paste acid-alkali-corrosive-resisting performance prepared by the method、Wearability wants high 1 times and 1.5 times respectively compared to common aluminum paste，Improve levelability，And there is in organic matrix good dispersibility，And coordinate and add the triethyl citrate through mixed processing、Methyl methacrylate，The weatherability and the dispersibility that make aluminum paste of the present invention improve further，Coating adherence significantly improves，Film light is plentiful，Good mechanical property，Pass through tetramethylolmethane、Stearic acid sodium、The synergism of tetraethyl orthosilicate，Make the aluminum paste resistance to acids and bases of the present invention，Film coated surface is more smooth，Service life is long，Storage stability is good，Greatly improve the range of application of aluminum paste of the present invention.
In aluminum paste preparation process, auxiliary agent plays indelible effect. and the kind of auxiliary agent is ever-changing, the result of its effect also varies, the present invention can improve compactness and the surface compatability of aluminum paste surface coating layer in the present invention by auxiliary agent prepared by substantial amounts of experimentation, aluminum paste of the present invention is made both to have may be used for oil paint, may be used for again water paint, cladded type aluminum paste is the most high temperature resistant, acid and alkali-resistance and antioxidation.
The aluminum paste mean particle size D 50 prepared by the comprehensive synergism of each material in the present invention is 22 μm, and specific surface area is 6-8m/g.
The invention has the beneficial effects as follows: aluminum paste covered effect of the present invention is good, insulating properties is high, non-oxidizability is the best, storage stability can reach well more than 5 years, and commonly aluminum paste stores typically only 1 to two years time, greatly improve economic benefit, avoid the substantial amounts of wasting of resources, the aluminum paste acid-alkali-corrosive-resisting performance prepared by the method, wearability wants high 1 times and 1.5 times respectively compared to common aluminum paste, and there is in organic matrix good dispersibility, the weatherability of aluminum paste of the present invention and good dispersion, coating adherence significantly improves, film light is plentiful, good mechanical property, service life is long, greatly improve the range of application of aluminum paste of the present invention.It is widely used in coating, paint, ink, printing, stamp, injection, silica gel, leather, toy, artware, phone housing, television enclosure, computer casing, automobile and other industries.
Detailed description of the invention
A kind of nano silicon cladded type aluminum paste, is made up of following component by weight: silver aluminium paste 135, tetramethylolmethane 30, stearic acid sodium 5, tetraethyl orthosilicate 10, nano diatomite 0.3, nano silicon 8, Colophonium 25, triethyl citrate 1, methyl methacrylate 2, auxiliary agent 1；
Described nano diatomite processes through being blended with nano silicon: add in the aqueous isopropanol that mass concentration is 2.86% by nano diatomite and nano silicon, after first soaking 30 minutes, stir 15 minutes with 120r/min rotating speed again, after standing 10 minutes, it is ground 20 minutes again, filter, washing, dry；
Described Colophonium is through pretreatment: added to by Colophonium in the acrylic acid solution that mass concentration is 1.84% successively, soak 5 minutes, stir 15 minutes with 150r/min speed at 43 DEG C, filter, it is then added in the acrylic acid solution that mass concentration is 4.63%, soak 5 minutes, stir 15 minutes with 150r/min speed at 52 DEG C, filter, be then added in the acrylic acid solution that mass concentration is 7.25%, soak 5 minutes, stir 15 minutes with 150r/min speed at 64 DEG C, filter, washing, dry,；
Described auxiliary agent is made up of following component in percentage terms: 28% oleic acid, 50% POLYPROPYLENE GLYCOL, 4% starch, 18% stearic acid；The preparation method of described adjuvant is: add in high mixer by oleic acid, POLYPROPYLENE GLYCOL, starch, stearic acid by respective percentage ratio, at 52 DEG C, stirs 15 minutes with 450r/min speed, naturally cools to room temperature,；
Described triethyl citrate, methyl methacrylate process through being blended: add in high mixer by triethyl citrate, methyl methacrylate, add the suberic acid of mixture quality 0.5%, at 72 DEG C, stir 40 minutes with 980r/min rotating speed, stand 1 hour,.
A kind of preparation method of nano silicon cladded type aluminum paste, including:
1) first aluminum paste is dispersed in benzene kind solvent and obtains mixture, under the conditions of 80～90 DEG C, add tetramethylolmethane, stearic acid sodium, tetraethyl orthosilicate in the resulting mixture and stir 10 minutes with 50r/min rotating speed, it is sequentially added into nano diatomite after stirring to continue to stir 20 minutes with 50r/min rotating speed with nanometer titanium dioxide silicone blends, stands 30 minutes；
2) to 1) in material add Colophonium, triethyl citrate and methyl methacrylate blend, after stirring, be heated to 48 DEG C, be incubated 15 minutes；
3) to 2) in material add auxiliary agent, with 25r/min rotating speed stir 4 hours, after standing 3 hours, filter, washing, dry, drying temperature be 32 DEG C,.
The present invention is by lot of experiments interpolation nano diatomite and the nano silicon impact on aluminum paste performance of the present invention:
Table 1
Note: resistance to acids and bases: be by the common low carbon tested coating of rod iron dip-coating (adding same amount of aluminum paste), after being dried 7 days, being immersed by 2/3 area of coupon in the acid solution (PH2-3) of normal concentration or alkali liquor (PH10-11) at (25 ± 1) DEG C or at acid, alkaline media and alternately placed in atmosphere by sample, examination paint film starts the time destroyed.
Comparative example 1: prepare aluminum paste without nano diatomite in the present invention；
Comparative example 2: without nano silicon in the present invention, and the addition of nano diatomite is increased to 10 prepare aluminum paste；
Comparative example 3: in the present invention, nano silicon and nano diatomite prepare aluminum paste without blended process；
Comparative example 4: in the present invention, the amount of nano diatomite is increased to 1, the addition of nano silicon is constant, takes that process is blended and prepares aluminum paste；
Comparative example 5: in the present invention, the amount of nano diatomite is increased to 1, the addition of nano silicon increases to 12, takes that process is blended and prepares aluminum paste.
By table 1 it can be seen that nano diatomite and the content of nano silicon and between proportioning and the blended process the most whether carried out in the present invention performance of aluminum paste of the present invention is had strong influence.
Claims (2)
1. a nano silicon cladded type aluminum paste, it is characterized in that, be made up of following component by weight: silver aluminium paste 135, tetramethylolmethane 30, stearic acid sodium 5, tetraethyl orthosilicate 10, nano diatomite 0.3, nano silicon 8, Colophonium 25, triethyl citrate 1, methyl methacrylate 2, auxiliary agent 1；
Described nano diatomite processes through being blended with nano silicon: add in the aqueous isopropanol that mass concentration is 2.86% by nano diatomite and nano silicon, after first soaking 30 minutes, stir 15 minutes with 120r/min rotating speed again, after standing 10 minutes, it is ground 20 minutes again, filter, washing, dry；
Described Colophonium is through pretreatment: added to by Colophonium in the acrylic acid solution that mass concentration is 1.84% successively, soak 5 minutes, stir 15 minutes with 150r/min speed at 43 DEG C, filter, it is then added in the acrylic acid solution that mass concentration is 4.63%, soak 5 minutes, stir 15 minutes with 150r/min speed at 52 DEG C, filter, be then added in the acrylic acid solution that mass concentration is 7.25%, soak 5 minutes, stir 15 minutes with 150r/min speed at 64 DEG C, filter, washing, dry,；
Described auxiliary agent is made up of following component in percentage terms: 28% oleic acid, 50% POLYPROPYLENE GLYCOL, 4% starch, 18% stearic acid；The preparation method of described adjuvant is: add in high mixer by oleic acid, POLYPROPYLENE GLYCOL, starch, stearic acid by respective percentage ratio, at 52 DEG C, stirs 15 minutes with 450r/min speed, naturally cools to room temperature,；
Described triethyl citrate, methyl methacrylate process through being blended: add in high mixer by triethyl citrate, methyl methacrylate, add the suberic acid of mixture quality 0.5%, at 72 DEG C, stir 40 minutes with 980r/min rotating speed, stand 1 hour,.
The preparation method of a kind of nano silicon cladded type aluminum paste the most according to claim 1, it is characterised in that including:
1) first aluminum paste is dispersed in benzene kind solvent and obtains mixture, under the conditions of 80～90 DEG C, add tetramethylolmethane, stearic acid sodium, tetraethyl orthosilicate in the resulting mixture and stir 10 minutes with 50r/min rotating speed, it is sequentially added into nano diatomite after stirring to continue to stir 20 minutes with 50r/min rotating speed with nanometer titanium dioxide silicone blends, stands 30 minutes；
2) to 1) in material add Colophonium, triethyl citrate and methyl methacrylate blend, after stirring, be heated to 48 DEG C, be incubated 15 minutes；
3) to 2) in material add auxiliary agent, with 25r/min rotating speed stir 4 hours, after standing 3 hours, filter, washing, dry, drying temperature be 32 DEG C,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610428208.2A CN105949868A (en) | 2016-06-17 | 2016-06-17 | Nano silicon dioxide wrapped type aluminum paste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610428208.2A CN105949868A (en) | 2016-06-17 | 2016-06-17 | Nano silicon dioxide wrapped type aluminum paste |
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| CN105949868A true CN105949868A (en) | 2016-09-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107955420A (en) * | 2017-12-08 | 2018-04-24 | 枞阳县新天地高新材料有限公司 | A kind of method for improving weatherability aluminum paste gloss effect |
| CN109608959A (en) * | 2018-11-13 | 2019-04-12 | 桐乡市星邦科技发展有限公司 | A kind of acrylic acid coatings and preparation method thereof for casement |
| CN114822909A (en) * | 2022-04-29 | 2022-07-29 | 广东南海启明光大科技有限公司 | Crystalline silicon solar cell silver-aluminum paste for low-temperature sintering, preparation method and application |
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| CN1935921A (en) * | 2005-09-22 | 2007-03-28 | 陈历泽 | High-temperature-resistance oxidation coating for predry-free full-descaling steel billet |
| CN102766360A (en) * | 2012-08-07 | 2012-11-07 | 江苏伊特复合新材料有限公司 | Preparation method of silica coated aqueous aluminum paste |
| CN103351794A (en) * | 2013-05-16 | 2013-10-16 | 超越极限科技有限公司 | Metal flake type one-component heavy anticorrosion coating material and preparation method thereof |
| CN105440812A (en) * | 2015-12-23 | 2016-03-30 | 天津利安隆新材料股份有限公司 | Thioester type auxiliary antioxidant-added aluminum paste composition |
-
2016
- 2016-06-17 CN CN201610428208.2A patent/CN105949868A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1935921A (en) * | 2005-09-22 | 2007-03-28 | 陈历泽 | High-temperature-resistance oxidation coating for predry-free full-descaling steel billet |
| CN102766360A (en) * | 2012-08-07 | 2012-11-07 | 江苏伊特复合新材料有限公司 | Preparation method of silica coated aqueous aluminum paste |
| CN103756372A (en) * | 2012-08-07 | 2014-04-30 | 江苏伊特复合新材料有限公司 | Preparation method for silicon dioxide coated waterborne type aluminum paste with high insulating property |
| CN103351794A (en) * | 2013-05-16 | 2013-10-16 | 超越极限科技有限公司 | Metal flake type one-component heavy anticorrosion coating material and preparation method thereof |
| CN105440812A (en) * | 2015-12-23 | 2016-03-30 | 天津利安隆新材料股份有限公司 | Thioester type auxiliary antioxidant-added aluminum paste composition |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107955420A (en) * | 2017-12-08 | 2018-04-24 | 枞阳县新天地高新材料有限公司 | A kind of method for improving weatherability aluminum paste gloss effect |
| CN109608959A (en) * | 2018-11-13 | 2019-04-12 | 桐乡市星邦科技发展有限公司 | A kind of acrylic acid coatings and preparation method thereof for casement |
| CN114822909A (en) * | 2022-04-29 | 2022-07-29 | 广东南海启明光大科技有限公司 | Crystalline silicon solar cell silver-aluminum paste for low-temperature sintering, preparation method and application |
| CN114822909B (en) * | 2022-04-29 | 2024-03-26 | 广东南海启明光大科技有限公司 | Silver-aluminum paste for low-temperature sintering crystalline silicon solar cell, preparation method and application |
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Application publication date: 20160921 |