CN107201066B - A kind of anti-sticking aluminium paint - Google Patents
A kind of anti-sticking aluminium paint Download PDFInfo
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- CN107201066B CN107201066B CN201710626610.6A CN201710626610A CN107201066B CN 107201066 B CN107201066 B CN 107201066B CN 201710626610 A CN201710626610 A CN 201710626610A CN 107201066 B CN107201066 B CN 107201066B
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- powder
- partial size
- aluminium
- boron nitride
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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
- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
Abstract
The invention discloses a kind of anti-sticking aluminium paints, consisting of: 6 ~ 10wt% of boron nitride powder that partial size is 0.5 ~ 2 μm, 12 ~ 25 wt% of boron nitride powder that partial size is 5 ~ 10 μm, 2 ~ 10 wt% of Aluminum titanate powder that partial size is 1 ~ 5 μm, 2 ~ 10wt% of barium sulfate powder that partial size is 2 ~ 6 μm, hard fire colour 0.2wt%, 1 ~ 2.5wt% of high temperature adhesive, 0.3 wt% of dispersing agent, defoaming agent 0.01wt%, ethylene glycol 0.48wt%, 0.01 wt% of preservative, 60 wt% of water.The coating has nonwetting property to aluminum melt, the positions such as Rose Box, chute, crystallizing pan are painted on before the hot top casting casting of aluminium bar, it is beneficial to prevent wetting to refractory material of aluminum melt in casting process, bonding, extend the service life of above equipment, facilitate the cleaning work after the completion of casting, it prevents the fine particle of refractory material to enter in aluminum melt simultaneously, improves the cleanliness of product.
Description
Technical field
The present invention relates to aluminium alloy casting technology fields, more particularly to a kind of anti-sticking aluminium paint.
Background technique
With the development of economy, China's aluminum profile demand Continued, and it is used to manufacture the aluminium bar yield of profile up to 5
More than thousand ten thousand tons, the manufacturing technology of country's aluminium bar is essentially all heat top foundry engieering at present.It is a kind of semicontinuous casting that hot direct casting, which is made,
Technology is made, the manufacture of the aluminum round rod of the various trades mark is had been widely used for.Generally, due between aluminum melt and refractory material
Wetting action, after the completion of casting, the residual molten aluminum of solidification can securely be glued with the refractory material of Rose Box, chute, crystallizing pan inner wall
It connects, falling off and destroying for refractory material is frequently resulted in when clearing up residual aluminum material, reduces the service life of equipment.Another party
Face, due to often containing silica in refractory material, aluminum melt and silica can occur reduction reaction, reduce refractory material
Intensity makes it slowly fall off into little particle and enters in aluminum melt, reduces the cleanliness of melt, reduce product quality.
It on the other hand, can quilt when being contacted with aluminum melt for some ironys tool used in aluminium alloy smelting process
Molten aluminum erodes, and the iron into such as aluminum melt exists in the form of the intermetallic compound of high rigidity, increases in aluminium bar product
Iron content, during subsequent extrusion, these iron-containing hard particles will increase the abrasion of mold, while reduce extrusion type
The surface quality of material.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of anti-sticking aluminium paint,
It forms as follows substantially: 6 ~ 10wt% of boron nitride powder that partial size is 0.5 ~ 2 μm, the boron nitride powder that partial size is 5 ~ 10 μm
12 ~ 25 wt %, 2 ~ 10 wt % of Aluminum titanate powder that partial size is 1 ~ 5 μm, barium sulfate 2 ~ 10wt% of powder that partial size is 2 ~ 6 μm are high
Warm pigment 0.2wt%, high temperature adhesive 1 ~ 2.5wt %, dispersing agent 0.3 wt %, defoaming agent 0.01wt%, ethylene glycol 0.48wt%,
Preservative 0.01wt %, 60 wt % of water.
The hard fire colour, tolerable temperature are not less than 900 DEG C, preferably cobalt aluminate, i.e. cobalt blue;
The high temperature adhesive includes one or more of Aluminum sol, aluminium dihydrogen phosphate, aluminum sulfate, and preferably aluminium is molten
Glue, aluminium chlorine ratio 1.1:1, pH value are 2 ~ 4;
A kind of anti-sticking aluminium paint preparation step are as follows: first by high temperature adhesive, dispersing agent, defoaming agent, ethylene glycol, preservative and
Water is mixed into homogeneous solution, then by boron nitride powder, metatitanic acid aluminium powder, blanc fixe and high temperature while agitating solution
Pigment powder is added in the solution, continues stirring until forming uniform system.
The beneficial effects of the present invention are:
Compared with prior art, coating application of the present invention does not moisten after drying with molten aluminum on the surface contacted with aluminum melt
Wet, this layer of anti-sticking aluminized coating has not only effectively obstructed aluminum melt and directly contacting by protection surface, prevents aluminum melt contaminated,
And the binding force of residual aluminum material Yu resistance to material is significantly reduced, subsequent scale removal process is facilitated, the fire resisting of Casting Equipment is protected
Material is not destroyed.
Specific embodiment
The present invention is further described combined with specific embodiments below.
Embodiment 1:
A kind of anti-sticking aluminium paint preparation step are as follows: first by 1 part of high temperature adhesive, 0.3 part of dispersing agent, 0.01 part of defoaming agent,
0.48 part of ethylene glycol, 0.01 preservative and 60 parts of water are mixed into homogeneous solution;Then 6 parts of partial sizes are added while stirring
For 0.5 ~ 2 μm of boron nitride powder, the boron nitride powder that 12 parts of partial sizes are 5 ~ 10 μm, the Aluminum titanate powder that 10 parts of partial sizes are 1 ~ 5 μm, 10
The barium sulfate powder that part partial size is 2 ~ 6 μm, 0.2 part of hard fire colour;Continue stirring 10 minutes until forming uniform system.
The high temperature adhesive is preferably Aluminum sol, and concentration 20wt%, aluminium chlorine ratio 1.1:1, pH value is 2 ~ 4.
The hard fire colour, tolerable temperature are not less than 900 DEG C, and preferably partial size is 0.5 ~ 2 μm of aluminic acid cobalt powder;
In actual use, it is used after being diluted as needed.
Embodiment 2:
A kind of anti-sticking aluminium paint preparation step are as follows: first by 1 part of high temperature adhesive, 0.3 part of dispersing agent, 0.01 part of defoaming agent,
0.48 part of ethylene glycol, 0.01 preservative and 60 parts of water are mixed into homogeneous solution;Then 7 parts of partial sizes are added while stirring
For 0.5 ~ 2 μm of boron nitride powder, the boron nitride powder that 13 parts of partial sizes are 5 ~ 10 μm, the Aluminum titanate powder that 9 parts of partial sizes are 1 ~ 5 μm, 9 parts
The barium sulfate powder that partial size is 2 ~ 6 μm, 0.2 part of hard fire colour;Continue stirring 10 minutes until forming uniform system.
The high temperature adhesive is preferably Aluminum sol, and concentration 20wt%, aluminium chlorine ratio 1.1:1, pH value is 2 ~ 4.
The hard fire colour, tolerable temperature are not less than 900 DEG C, and preferably partial size is 0.5 ~ 2 μm of aluminic acid cobalt powder;
In actual use, it is used after being diluted as needed.
Embodiment 3:
A kind of anti-sticking aluminium paint preparation step are as follows: first by 1 part of high temperature adhesive, 0.3 part of dispersing agent, 0.01 part of defoaming agent,
0.48 part of ethylene glycol, 0.01 preservative and 60 parts of water are mixed into homogeneous solution;Then 8 parts of partial sizes are added while stirring
For 0.5 ~ 2 μm of boron nitride powder, the boron nitride powder that 20 parts of partial sizes are 5 ~ 10 μm, the Aluminum titanate powder that 5 parts of partial sizes are 1 ~ 5 μm, 5 parts
The barium sulfate powder that partial size is 2 ~ 6 μm, 0.2 part of hard fire colour;Continue stirring 10 minutes until forming uniform system.
The high temperature adhesive is preferably Aluminum sol, and concentration 20wt%, aluminium chlorine ratio 1.1:1, pH value is 2 ~ 4.
The hard fire colour, tolerable temperature are not less than 900 DEG C, and preferably partial size is 0.5 ~ 2 μm of aluminic acid cobalt powder;
In actual use, it is used after being diluted as needed.
Embodiment 4:
A kind of anti-sticking aluminium paint preparation step are as follows: first by 1 part of high temperature adhesive, 0.3 part of dispersing agent, 0.01 part of defoaming agent,
0.48 part of ethylene glycol, 0.01 preservative and 60 parts of water are mixed into homogeneous solution;Then 8 parts of partial sizes are added while stirring
For 0.5 ~ 2 μm of boron nitride powder, the boron nitride powder that 20 parts of partial sizes are 5 ~ 10 μm, the Aluminum titanate powder that 5 parts of partial sizes are 1 ~ 5 μm, 5 parts
The barium sulfate powder that partial size is 2 ~ 6 μm, 0.2 part of hard fire colour;Continue stirring 10 minutes until forming uniform system.
The high temperature adhesive is phosphate dihydrogen aluminum solution, and concentration is 37 ~ 42wt%.
The hard fire colour, tolerable temperature are not less than 900 DEG C, and preferably partial size is 0.5 ~ 2 μm of aluminic acid cobalt powder;
In actual use, it is used after being diluted as needed.
Embodiment 5:
A kind of anti-sticking aluminium paint preparation step are as follows: first by 1 part of high temperature adhesive, 0.3 part of dispersing agent, 0.01 part of defoaming agent,
0.48 part of ethylene glycol, 0.01 preservative and 60 parts of water are mixed into homogeneous solution;Then 10 parts of grains are added while stirring
The boron nitride powder that diameter is 0.5 ~ 2 μm, the boron nitride powder that 24 parts of partial sizes are 5 ~ 10 μm, the Aluminum titanate powder that 2 parts of partial sizes are 1 ~ 5 μm, 2
The barium sulfate powder that part partial size is 2 ~ 6 μm, 0.2 part of hard fire colour;Continue stirring 10 minutes until forming uniform system.
The high temperature adhesive is phosphate dihydrogen aluminum solution, and concentration is 37 ~ 42wt%.
The hard fire colour, tolerable temperature are not less than 900 DEG C, and preferably partial size is 0.5 ~ 2 μm of aluminic acid cobalt powder;
In actual use, it is used after being diluted as needed.
Embodiment 6:
A kind of anti-sticking aluminium paint preparation step are as follows: first by 1 part of high temperature adhesive, 0.3 part of dispersing agent, 0.01 part of defoaming agent,
0.48 part of ethylene glycol, 0.01 preservative and 60 parts of water are mixed into homogeneous solution;Then 9 parts of partial sizes are added while stirring
For 0.5 ~ 2 μm of boron nitride powder, the boron nitride powder that 25 parts of partial sizes are 5 ~ 10 μm, the Aluminum titanate powder that 2 parts of partial sizes are 1 ~ 5 μm, 2 parts
The barium sulfate powder that partial size is 2 ~ 6 μm, 0.2 part of hard fire colour;Continue stirring 10 minutes until forming uniform system.
The high temperature adhesive is phosphate dihydrogen aluminum solution, and concentration is 37 ~ 42wt%.
The hard fire colour, tolerable temperature are not less than 900 DEG C, and preferably partial size is 0.5 ~ 2 μm of aluminic acid cobalt powder;
In actual use, it is used after being diluted as needed.
Embodiment 7:
A kind of anti-sticking aluminium paint preparation step are as follows: first by 2.5 parts of high temperature adhesives, 0.3 part of dispersing agent, 0.01 part of defoaming
Agent, 0.48 part of ethylene glycol, 0.01 preservative and 60 parts of water are mixed into homogeneous solution;Then 6 parts are added while stirring
The boron nitride powder that partial size is 0.5 ~ 2 μm, the boron nitride powder that 12 parts of partial sizes are 5 ~ 10 μm, the metatitanic acid aluminium powder that 9 parts of partial sizes are 1 ~ 5 μm
Body, the barium sulfate powder that 9.5 parts of partial sizes are 2 ~ 6 μm, 0.2 part of hard fire colour;Continue stirring 10 minutes until forming uniform body
System.
The high temperature adhesive is aluminum sulfate.
The hard fire colour, tolerable temperature are not less than 900 DEG C, and preferably partial size is 0.5 ~ 2 μm of aluminic acid cobalt powder;
In actual use, it is used after being diluted as needed.
Embodiment 8:
A kind of anti-sticking aluminium paint preparation step are as follows: first by 2.5 parts of high temperature adhesives, 0.3 part of dispersing agent, 0.01 part of defoaming
Agent, 0.48 part of ethylene glycol, 0.01 preservative and 60 parts of water are mixed into homogeneous solution;Then 8 parts are added while stirring
The boron nitride powder that partial size is 0.5 ~ 2 μm, the boron nitride powder that 20 parts of partial sizes are 5 ~ 10 μm, the metatitanic acid aluminium powder that 4 parts of partial sizes are 1 ~ 5 μm
Body, the barium sulfate powder that 4.5 parts of partial sizes are 2 ~ 6 μm, 0.2 part of hard fire colour;Continue stirring 10 minutes until forming uniform body
System.
The high temperature adhesive is aluminum sulfate.
The hard fire colour, tolerable temperature are not less than 900 DEG C, and preferably partial size is 0.5 ~ 2 μm of aluminic acid cobalt powder;
In actual use, it is used after being diluted as needed.
Embodiment 9:
A kind of anti-sticking aluminium paint preparation step are as follows: first by 2.5 parts of high temperature adhesives, 0.3 part of dispersing agent, 0.01 part of defoaming
Agent, 0.48 part of ethylene glycol, 0.01 preservative and 60 parts of water are mixed into homogeneous solution;Then 8 parts are added while stirring
The boron nitride powder that partial size is 0.5 ~ 2 μm, the boron nitride powder that 25 parts of partial sizes are 5 ~ 10 μm, the metatitanic acid aluminium powder that 2 parts of partial sizes are 1 ~ 5 μm
Body, the barium sulfate powder that 1.5 parts of partial sizes are 2 ~ 6 μm, 0.2 part of hard fire colour;Continue stirring 10 minutes until forming uniform body
System.
The high temperature adhesive is aluminum sulfate.
The hard fire colour, tolerable temperature are not less than 900 DEG C, and preferably partial size is 0.5 ~ 2 μm of aluminic acid cobalt powder;
In actual use, it is used after being diluted as needed.
The coating that above-mentioned 9 embodiments obtain is added in 3 times of water after diluting and is painted on aluminium oxide ceramics plate surface,
700 ~ 720 DEG C drying 30 minutes after carry out aluminium molten drop angle of wetting test with anchoring strength of coating test, be as a result summarized in following table:
Wherein: the high temperature adhesive that embodiment 1 ~ 3 uses is Aluminum sol;The high temperature adhesive that embodiment 4 ~ 6 uses is phosphorus
Acid dihydride aluminium;The high temperature adhesive that embodiment 7 ~ 9 uses is aluminum sulfate.Angle of wetting is greater than 90 ° for qualification, and angle of wetting is bigger, prevents
Viscosity is better.Coating and basal body binding force are more than 15MPa to be qualified, and binding force is bigger, and coating is more secured.
The above is only to be not intended to limit the scope of the present invention to presently preferred embodiments of the present invention, therefore do not taking off
Under the premise of design spirit of the present invention, this field ordinary engineering and technical personnel is to structure, feature and principle of the present invention
The equivalence changes or decoration made, should all fall into the protection scope of the present patent application patent.
Claims (4)
1. a kind of anti-sticking aluminium paint, which is characterized in that composition is as follows: 6 ~ 10wt% of boron nitride powder that partial size is 0.5 ~ 2 μm, partial size
For 5 ~ 10 μm of 12 ~ 25 wt % of boron nitride powder, 2 ~ 10 wt % of Aluminum titanate powder that partial size is 1 ~ 5 μm, the sulphur that partial size is 2 ~ 6 μm
Sour barium powder 2 ~ 10wt%, hard fire colour 0.2wt%, high temperature adhesive 1 ~ 2.5wt %, 0.3 wt % of dispersing agent, defoaming agent
0.01wt%, ethylene glycol 0.48wt%, 0.01 wt % of preservative, 60 wt % of water.
2. a kind of anti-sticking aluminium paint according to claim 1, it is characterised in that: the hard fire colour, tolerable temperature be not low
In 900 DEG C.
3. a kind of anti-sticking aluminium paint according to claim 1, it is characterised in that: the high temperature adhesive includes that aluminium is molten
One or more of glue, aluminium dihydrogen phosphate, aluminum sulfate.
4. a kind of anti-sticking aluminium paint according to claim 1, which is characterized in that preparation step are as follows: first by high temperature adhesive,
Dispersing agent, defoaming agent, ethylene glycol, preservative and water are mixed into homogeneous solution, then by boron nitride powder, metatitanic acid aluminium powder, sulphur
Sour barium powder and hard fire colour powder are added in the solution, while being stirred until forming uniform system.
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CN201710626610.6A CN107201066B (en) | 2017-07-28 | 2017-07-28 | A kind of anti-sticking aluminium paint |
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CN107201066B true CN107201066B (en) | 2019-10-15 |
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Families Citing this family (3)
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CN109021628B (en) * | 2018-07-12 | 2020-09-04 | 商丘师范学院 | Water-based boron nitride coating capable of being bonded at low temperature and used at high temperature |
CN109848364B (en) * | 2018-12-11 | 2020-09-18 | 商丘师范学院 | Boron nitride coating for pressure casting and preparation method thereof |
CN111019408A (en) * | 2019-12-17 | 2020-04-17 | 大连新翔工业材料有限公司 | Anti-sticking aluminum coating |
Citations (5)
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CN1421495A (en) * | 2002-12-19 | 2003-06-04 | 中国科学院兰州化学物理研究所 | Inorganic high-temperature antiwear paint |
CN102532962A (en) * | 2011-12-31 | 2012-07-04 | 席君杰 | High-temperature anti-sticking material coating and manufacturing and application methods thereof |
CN202705280U (en) * | 2011-12-31 | 2013-01-30 | 席君杰 | High-temperature anti-sticking material coating |
CN105219257A (en) * | 2015-08-28 | 2016-01-06 | 厦门市摩索新材料科技有限公司 | High-temperature antisticking and lubricating paint and its preparation method and application |
CN106336692A (en) * | 2015-11-17 | 2017-01-18 | 中国科学院兰州化学物理研究所 | Fastener coating, and preparation method and application thereof |
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2017
- 2017-07-28 CN CN201710626610.6A patent/CN107201066B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1421495A (en) * | 2002-12-19 | 2003-06-04 | 中国科学院兰州化学物理研究所 | Inorganic high-temperature antiwear paint |
CN102532962A (en) * | 2011-12-31 | 2012-07-04 | 席君杰 | High-temperature anti-sticking material coating and manufacturing and application methods thereof |
CN202705280U (en) * | 2011-12-31 | 2013-01-30 | 席君杰 | High-temperature anti-sticking material coating |
CN105219257A (en) * | 2015-08-28 | 2016-01-06 | 厦门市摩索新材料科技有限公司 | High-temperature antisticking and lubricating paint and its preparation method and application |
CN106336692A (en) * | 2015-11-17 | 2017-01-18 | 中国科学院兰州化学物理研究所 | Fastener coating, and preparation method and application thereof |
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