CN107141941A - A kind of preparation method of coating on instrument and meter - Google Patents
A kind of preparation method of coating on instrument and meter Download PDFInfo
- Publication number
- CN107141941A CN107141941A CN201710540629.9A CN201710540629A CN107141941A CN 107141941 A CN107141941 A CN 107141941A CN 201710540629 A CN201710540629 A CN 201710540629A CN 107141941 A CN107141941 A CN 107141941A
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- Prior art keywords
- parts
- coating
- instrument
- preparation
- acrylate copolymer
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Classifications
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D5/24—Electrically-conducting paints
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of preparation method of coating on instrument and meter, including following preparation process:A, graphite, aluminium hydroxide, titanium dioxide, curing agent and accelerator are placed in compounding jar are sufficiently mixed and crush, obtain powder;B, by acrylate copolymer, polyester resin, filler and auxiliary agent mix, in hot environment knead, obtain fused mass;C, powder and fused mass are mixed import extrusion molding in extruder, then carry out tabletting, cool down and obtain semi-finished product after broken;D, by semi-finished product with pulverizer crush and silica carry out it is dry-mixed, you can obtain finished product.Coating prepared by the present invention has excellent electric conductivity, while its impact resistance, water resistance are good, drying time is fast, also excludes the ability of accumulation electrostatic charge.
Description
Technical field
The invention belongs to the technical field of coatings of instrument and meter, and in particular to a kind of system of coating on instrument and meter
Preparation Method.
Background technology
The today's society developed rapidly in information, instrument and meter is the essential daily necessities of people.Instrument and meter has
Computer, radio, generator, detector etc..Instrument and meter coating must possess excellent electric conductivity, impact resistance
Energy, water resistance and pliability.But, the electric conductivity of existing instrument and meter coating is not high, impact resistance and water resistance
Can be poor, it is impossible to the effective use quality for improving instrument and meter.
Powdery paints have energy-conserving and environment-protective, VOC free discharge, high-decoration it is good, using it is safe the features such as, recent year powder
Last coating technology is quickly grown.Powdery paints enters letter as decorative material with the raising and life of living standards of the people
Breath epoch, various communication apparatus have been dissolved among the life of people, various instrument and meters, intercom, and digital telephone layer goes out
It is not poor.And provide signal for these instrument and meters is base station equipment, provide protection for these base station equipments is paint coatings,
Make shell that there is the performances such as the performance and weather resistance of acid-alkali-corrosive-resisting, to continuing and stably with important meaning using signal
Justice.
In summary, it is therefore desirable to which a kind of coating of more preferable instrument and meter improves the deficiencies in the prior art, promotes instrument
The development of instruments and meters industry.
The content of the invention
It is an object of the invention to provide a kind of preparation method of the coating on instrument and meter, coating prepared by the present invention
With excellent electric conductivity, while its impact resistance, water resistance are good, drying time is fast, also excludes the energy of accumulation electrostatic charge
Power, and its preparation method is simple, lower cost for material.
The invention provides following technical scheme:
A kind of preparation method of coating on instrument and meter, including following preparation process:
A, graphite, aluminium hydroxide, titanium dioxide, curing agent and accelerator are placed in compounding jar are sufficiently mixed and crush, cross 500-
800 mesh sieve, obtain powder;
B, by acrylate copolymer, polyester resin, filler and auxiliary agent mix, 1-2h is kneaded in hot environment, temperature is
1200-1400 DEG C, obtain fused mass;
C, powder and fused mass mixed import extrusion molding in extruder, then carry out tabletting, cool down and obtained after broken half into
Product;
D, semi-finished product were crushed to 300-500 mesh sieve with pulverizer, and particle diameter is done in 0.2-0.4mm silica
It is mixed, you can to obtain finished product.
It is preferred that, the coating includes the raw material of following parts by weight:23-33 parts of graphite, 12-22 parts of aluminium hydroxide, titanium white
13-18 parts of powder, 12-14 parts of curing agent, 10-13 parts of accelerator, 16-18 parts of acrylate copolymer, 12-22 parts of polyester resin,
22-25 parts of 15-21 parts of filler, 13-17 parts of auxiliary agent and silica.
It is preferred that, the number-average molecular weight of the acrylate copolymer of the step b is controlled between 5000-8000, surface
Tension force is in 28-32mN/m.
It is preferred that, the acrylate copolymer is from the acrylate copolymer using silica as carrier.
It is preferred that, the polyester resin of the step b from acid number 30-40mgKOH/g, viscosity 4000-6000mPa.s it is full
And terminal carboxyl polyester resin.
It is preferred that, the filler of the step b has inorganic filler composition.
It is preferred that, the inorganic filler includes any of titanium dioxide, barium sulfate, silica and mica powder or many
The mixing planted.
It is preferred that, the auxiliary agent of the step b includes levelling agent, antioxidant, ultra-violet absorber, delustering agent, wetting agent, increasing
Any of photo etching, wax powder and styrax or a variety of mixing.
The beneficial effects of the invention are as follows:
Coating prepared by the present invention has excellent electric conductivity, while its impact resistance, water resistance are good, drying time is fast, also
There is the ability for excluding accumulation electrostatic charge, and its preparation method is simple, lower cost for material.
The accelerator of the present invention can improve the reaction rate of system, increase the hardness for the coating prepared and be crosslinked close
Degree, while forming the coating that outward appearance grain effect is good, sense of touch is good.
The filler of the present invention can change the viscosity and mobility of the coating prepared, so that change its surface tension, can
To change the size and third dimension of the coating prepared or change the hardness and scratch-resistant performance of the coating prepared.
The coating that the present invention is prepared has excellent weatherability, salt spray resistance, scratch-resistant, acid-alkali-corrosive-resisting, organic solvent-resistant
The good characteristic with stability.
The product qualified rate that preparation method of the invention is reasonable, workable, prepare is high.
Embodiment
Embodiment 1
A kind of preparation method of coating on instrument and meter, including following preparation process:
A, graphite, aluminium hydroxide, titanium dioxide, curing agent and accelerator are placed in compounding jar are sufficiently mixed and crush, cross 700 mesh
Sieve, obtains powder;
B, by acrylate copolymer, polyester resin, filler and auxiliary agent mix, 2h is kneaded in hot environment, temperature is 1200
DEG C, obtain fused mass;
C, powder and fused mass mixed import extrusion molding in extruder, then carry out tabletting, cool down and obtained after broken half into
Product;
D, semi-finished product were crushed to 300- mesh sieve with pulverizer, and particle diameter carried out in 0.4mm silica it is dry-mixed, you can
To finished product.
Coating includes the raw material of following parts by weight:23 parts of graphite, 12 parts of aluminium hydroxide, 18 parts of titanium dioxide, 14 parts of curing agent,
25 parts of 10 parts of accelerator, 18 parts of acrylate copolymer, 12 parts of polyester resin, 21 parts of filler, 13 parts of auxiliary agent and silica.
The number-average molecular weight of step b acrylate copolymer is controlled between 8000, and surface tension is in 28mN/m.
Acrylate copolymer is from the acrylate copolymer using silica as carrier.
Step b polyester resin selects acid number 30mgKOH/g, viscosity 6000mPa.s saturation terminal carboxyl polyester resin.
Step b filler has inorganic filler composition.
Inorganic filler includes the mixing of titanium dioxide, barium sulfate, silica and mica powder.
Step b auxiliary agent include levelling agent, antioxidant, ultra-violet absorber, delustering agent, wetting agent, optical brightener, wax powder and
Benzoic mixing.
Embodiment 2
A kind of preparation method of coating on instrument and meter, including following preparation process:
A, graphite, aluminium hydroxide, titanium dioxide, curing agent and accelerator are placed in compounding jar are sufficiently mixed and crush, cross 800 mesh
Sieve, obtains powder;
B, by acrylate copolymer, polyester resin, filler and auxiliary agent mix, 2h is kneaded in hot environment, temperature is 1400
DEG C, obtain fused mass;
C, powder and fused mass mixed import extrusion molding in extruder, then carry out tabletting, cool down and obtained after broken half into
Product;
D, semi-finished product were crushed to 300 mesh sieve with pulverizer, and particle diameter carried out in 0.4mm silica it is dry-mixed, you can
To finished product.
Coating includes the raw material of following parts by weight:33 parts of graphite, 22 parts of aluminium hydroxide, 18 parts of titanium dioxide, 14 parts of curing agent,
25 parts of 13 parts of accelerator, 18 parts of acrylate copolymer, 22 parts of polyester resin, 21 parts of filler, 17 parts of auxiliary agent and silica.
The number-average molecular weight of step b acrylate copolymer is controlled between 8000, and surface tension is in 32mN/m.
Acrylate copolymer is from the acrylate copolymer using silica as carrier.
Step b polyester resin selects acid number 40mgKOH/g, viscosity 4000mPa.s saturation terminal carboxyl polyester resin.
Step b filler has inorganic filler composition.
Inorganic filler includes the mixing of titanium dioxide, barium sulfate, silica and mica powder.
Step b auxiliary agent include levelling agent, antioxidant, ultra-violet absorber, delustering agent, wetting agent, optical brightener, wax powder and
Benzoic mixing.
Embodiment 3
A kind of preparation method of coating on instrument and meter, including following preparation process:
A, graphite, aluminium hydroxide, titanium dioxide, curing agent and accelerator are placed in compounding jar are sufficiently mixed and crush, cross 500 mesh
Sieve, obtains powder;
B, by acrylate copolymer, polyester resin, filler and auxiliary agent mix, 1h is kneaded in hot environment, temperature is 1200
DEG C, obtain fused mass;
C, powder and fused mass mixed import extrusion molding in extruder, then carry out tabletting, cool down and obtained after broken half into
Product;
D, semi-finished product were crushed to 300 mesh sieve with pulverizer, and particle diameter carried out in 0.4mm silica it is dry-mixed, you can
To finished product.
Coating includes the raw material of following parts by weight:23 parts of graphite, 12 parts of aluminium hydroxide, 13 parts of titanium dioxide, 14 parts of curing agent,
22 parts of 10 parts of accelerator, 16 parts of acrylate copolymer, 12 parts of polyester resin, 15 parts of filler, 13 parts of auxiliary agent and silica.
The number-average molecular weight of step b acrylate copolymer is controlled between 5000, and surface tension is in 28mN/m.
Acrylate copolymer is from the acrylate copolymer using silica as carrier.
Step b polyester resin selects acid number 40mgKOH/g, viscosity 6000mPa.s saturation terminal carboxyl polyester resin.
Step b filler has inorganic filler composition.
Inorganic filler includes the mixing of titanium dioxide, barium sulfate, silica and mica powder.
Step b auxiliary agent include levelling agent, antioxidant, ultra-violet absorber, delustering agent, wetting agent, optical brightener, wax powder and
Benzoic mixing.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. the preparation method of a kind of coating on instrument and meter, it is characterised in that including following preparation process:
A, graphite, aluminium hydroxide, titanium dioxide, curing agent and accelerator are placed in compounding jar are sufficiently mixed and crush, cross 500-
800 mesh sieve, obtain powder;
B, by acrylate copolymer, polyester resin, filler and auxiliary agent mix, 1-2h is kneaded in hot environment, temperature is
1200-1400 DEG C, obtain fused mass;
C, powder and fused mass mixed import extrusion molding in extruder, then carry out tabletting, cool down and obtained after broken half into
Product;
D, semi-finished product were crushed to 300-500 mesh sieve with pulverizer, and particle diameter is done in 0.2-0.4mm silica
It is mixed, you can to obtain finished product.
2. a kind of preparation method of coating on instrument and meter according to claim 1, it is characterised in that the painting
Material includes the raw material of following parts by weight:23-33 parts of graphite, 12-22 parts of aluminium hydroxide, 13-18 parts of titanium dioxide, curing agent 12-14
Part, 10-13 parts of accelerator, 16-18 parts of acrylate copolymer, 12-22 parts of polyester resin, 15-21 parts of filler, auxiliary agent 13-17
22-25 parts of part and silica.
3. a kind of preparation method of coating on instrument and meter according to claim 1, it is characterised in that the step
The number-average molecular weight of rapid b acrylate copolymer is controlled between 5000-8000, and surface tension is in 28-32mN/m.
4. the preparation method of a kind of coating on instrument and meter according to claim 3, it is characterised in that described third
Olefin(e) acid ester copolymer is from the acrylate copolymer using silica as carrier.
5. a kind of preparation method of coating on instrument and meter according to claim 1, it is characterised in that the step
Rapid b polyester resin selects acid number 30-40mgKOH/g, viscosity 4000-6000mPa.s saturation terminal carboxyl polyester resin.
6. a kind of preparation method of coating on instrument and meter according to claim 1, it is characterised in that the step
Rapid b filler has inorganic filler composition.
7. a kind of preparation method of coating on instrument and meter according to claim 6, it is characterised in that the nothing
Machine filler includes any of titanium dioxide, barium sulfate, silica and mica powder or a variety of mixing.
8. a kind of preparation method of coating on instrument and meter according to claim 1, it is characterised in that the step
Rapid b auxiliary agent is included in levelling agent, antioxidant, ultra-violet absorber, delustering agent, wetting agent, optical brightener, wax powder and styrax
Any one or more mixing.
Priority Applications (1)
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CN201710540629.9A CN107141941A (en) | 2017-07-05 | 2017-07-05 | A kind of preparation method of coating on instrument and meter |
Applications Claiming Priority (1)
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CN201710540629.9A CN107141941A (en) | 2017-07-05 | 2017-07-05 | A kind of preparation method of coating on instrument and meter |
Publications (1)
Publication Number | Publication Date |
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CN107141941A true CN107141941A (en) | 2017-09-08 |
Family
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CN201710540629.9A Withdrawn CN107141941A (en) | 2017-07-05 | 2017-07-05 | A kind of preparation method of coating on instrument and meter |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1705697A (en) * | 2002-11-04 | 2005-12-07 | 舒飞士特种化工有限公司 | Powder coating compositions containing anhydride end-caped crystalline polyesters |
CN104231878A (en) * | 2014-09-19 | 2014-12-24 | 苏州云舒新材料科技有限公司 | Conductive coating for communication equipment and preparation method of conductive coating |
CN104405963A (en) * | 2014-11-20 | 2015-03-11 | 河南中喷天润实业有限公司 | Plastic pipe and preparation method thereof |
CN105273582A (en) * | 2015-11-06 | 2016-01-27 | 广州擎天材料科技有限公司 | Weather-proof power coating special for communication equipment and preparation method of weather-proof power coating |
CN106634474A (en) * | 2016-12-29 | 2017-05-10 | 成都信达高分子材料有限公司 | Heat-dissipation powdery paint and preparation method thereof |
-
2017
- 2017-07-05 CN CN201710540629.9A patent/CN107141941A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1705697A (en) * | 2002-11-04 | 2005-12-07 | 舒飞士特种化工有限公司 | Powder coating compositions containing anhydride end-caped crystalline polyesters |
CN104231878A (en) * | 2014-09-19 | 2014-12-24 | 苏州云舒新材料科技有限公司 | Conductive coating for communication equipment and preparation method of conductive coating |
CN104405963A (en) * | 2014-11-20 | 2015-03-11 | 河南中喷天润实业有限公司 | Plastic pipe and preparation method thereof |
CN105273582A (en) * | 2015-11-06 | 2016-01-27 | 广州擎天材料科技有限公司 | Weather-proof power coating special for communication equipment and preparation method of weather-proof power coating |
CN106634474A (en) * | 2016-12-29 | 2017-05-10 | 成都信达高分子材料有限公司 | Heat-dissipation powdery paint and preparation method thereof |
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Application publication date: 20170908 |
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