CN106519898A - Imitated gold thermosetting powder coating and preparation method thereof - Google Patents
Imitated gold thermosetting powder coating and preparation method thereof Download PDFInfo
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- CN106519898A CN106519898A CN201610963733.4A CN201610963733A CN106519898A CN 106519898 A CN106519898 A CN 106519898A CN 201610963733 A CN201610963733 A CN 201610963733A CN 106519898 A CN106519898 A CN 106519898A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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- 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
- C08K3/34—Silicon-containing compounds
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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- 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
- C08K9/00—Use of pretreated ingredients
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- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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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
- 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
- C09D5/10—Anti-corrosive paints containing metal dust
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- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- 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
- C08K2201/011—Nanostructured additives
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- 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
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Abstract
The invention discloses an imitated gold thermosetting powder coating and a preparation method thereof. The powder coating comprises the following raw materials in parts by weight: 85-95 parts of base powder, 6-10 parts of gold powder and 1-3 parts of bonding auxiliary, wherein the base powder comprises the following raw materials: 45-55 parts of epoxy resin, 2-3 parts of phenolic curing agent, 0.5-1.5 parts of alkaline accelerator, 4-6 parts of surface auxiliary, 3-5 parts of barium sulphate, 3-5 parts of halloysite powder, 0.5-1 part of carbon nano-tubes, 4-6 parts of activated wollastonite powder and 1-1.5 parts of pigment. According to the powder coating disclosed by the invention, a coating layer with an imitated gold metal effect is manufactured through improvement for the formula of the coating and a preparation process, the powder coating can be obtained through bonding at a low temperature (of 72-78 DEG C), the defects of high film-forming temperature and long roasting time of the traditional thermosetting powder coating are solved, and good corrosion resistance, storage stability, thermal stability, impact resistance and other mechanical properties are achieved.
Description
Technical field
The invention belongs to the preparation field of powdery paints, and in particular to a kind of simulating golden colour thermosetting powder coating and its preparation
Method.
Background technology
The pressed powder that powdery paints is mainly mixed by resin, firming agent, pigment, filler, auxiliary agent etc., according to tree
Lipid type is different, can be divided into two classes, thermoplastic powder coating and the heat prepared by thermosetting resin prepared by thermoplastic resin
Solidity powdery paints.What is generally used due to thermoplastic powder coating is the larger thermoplastic of non-polar group and relative molecular mass
Property resin, it is scarce to cause that resin toughness are strong, it is high to crush difficult, softening temperature, melt temperature is high, levelability is poor, adhesive force is bad etc.
Point, therefore, limit its application.Thermosetting powder coating is using the little thermosetting resin of relative molecular mass, in a constant temperature
Under degree, cross-linking reaction is carried out with firming agent, form cancellated macromole coating.Compared with thermoplastic powder coating, thermosetting
Property performance powder coating it is good, yield is big, and use range is wide.But when traditional thermosetting powder coating film-forming temperature height, baking
Between it is long, cause its application be limited only to the good base material of the thermostabilitys such as metal.Additionally, the color of powdery paints of the prior art
That metal effect for painting is extremely difficult to, seldom has the powdery paints of simulating golden colour in the market.Therefore, invent a kind of low temperature
The simulating golden colour thermosetting powder coating of solidification meets society and consumer demand.
The content of the invention
Present invention aims to prior art is not enough, there is provided a kind of simulating golden colour thermosetting powder coating and its preparation
Method.The present invention, can be at low temperature by being improved to formulation for coating material and preparation technology（72~78℃）Obtained by bonding
Powdery paints, obtained powdery paints have simulating golden colour metal coating effect, solve powdery paints well and are extremely difficult to paint
The problem of effect；The addition of the fillers such as the wollastonite in powder of galapectite powder, CNT and activation improve coating corrosion resistance,
The mechanical properties such as storage stability, heat stability and shock resistance.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of simulating golden colour thermosetting powder coating, it is characterised in that：Count by weight, the raw material composition of the powdery paints
For：1 ~ 3 part of 85 ~ 95 parts of bottom powder, 6 ~ 10 parts of bronze and bonding auxiliary agent；The raw material of the bottom powder is consisted of：Epoxy resin 45 ~ 55
Part, 2 ~ 3 parts of phenols curing agent, 0.5 ~ 1.5 part of alkaline accelerator, 4 ~ 6 parts of surface modifier, 3 ~ 5 parts of barium sulfate, galapectite powder 3 ~ 5
1 ~ 1.5 part of part, 0.5 ~ 1 part of CNT, 4 ~ 6 parts of the wollastonite in powder of activation and colorant.
The preparation method of the wollastonite in powder of described activation is：Wollastonite is calcined into 4.5h at 850 DEG C, room is air cooled to
Temperature, subsequently carries out comminution by gas stream using jet mill to which, and comminution by gas stream pressure is 0.5Mpa；The wollastonite that crushing is obtained
Powder carries out immersion treatment 20min with the sulphuric acid of 1.5wt%；After by the wollastonite in powder drying of the acidifying for obtaining, using dry process,
Its modifying surface is processed with coupling agent, obtain the wollastonite in powder for activating.
The draw ratio of the wollastonite in powder of the activation is 18 ~ 24.
The preparation method of simulating golden colour thermosetting powder coating is as above：Epoxy resin, phenol are weighed by weight ratio
Class firming agent, alkaline accelerator, surface modifier, barium sulfate, galapectite powder, CNT, the wollastonite in powder of activation and colorant, will
These components put into homogenizer mix homogeneously successively, then by double screw extruder extrusion, tabletting, cooling, crush, sieve
Make powdery paints bottom powder；Again bottom powder, bronze and bonding auxiliary agent are put in bonding machines by weight ratio, protective gas is passed through,
At 72 ~ 78 DEG C with 600-800rpm bondings 8-10min, bonding powder is obtained.
The beneficial effects of the present invention is：
（1）The present invention introduces phenols curing agent and alkaline accelerator, and coordinates the present invention's by being improved to formulation for coating material
Preparation technology, can be at low temperature（72~78℃）Powdery paints is obtained by bonding, solve conventional thermosetting powdery paints into
Film temperature is high, the defect of baking time length；
（2）The present invention is improved by the formula to powdery paints, and galapectite powder, the addition of CNT can improve coating
Corrosion resistance, the mechanical property such as storage stability and shock resistance, but reduce the heat stability of coating to a certain extent；
On this basis, the present invention by carrying out activation processing to wollastonite in powder, first which is calcined, improve whiteness composition and
Physicochemical property, is subsequently acidified, dries and coupling agent modified, obtain the wollastonite in powder of in needle-like and high length-diameter ratio, not only make up
The not enough defect of heat stability, and greatly enhance filler and the compatibility of organic material；
（3）The present invention produces the coating with simulating golden colour metal effect, can solve powdery paints well and be extremely difficult to oil
The problem of paint effect.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described, but the present invention is not limited only to these embodiments.
Embodiment 1
A kind of simulating golden colour thermosetting powder coating, it is characterised in that：Count by weight, the raw material composition of the powdery paints
For：1 part of 85 parts of bottom powder, 6 parts of bronze and bonding auxiliary agent；The raw material of the bottom powder is consisted of：45 parts of epoxy resin, phenols curing agent
2 parts, 0.5 part of alkaline accelerator, 4 parts of surface modifier, 3 parts of barium sulfate, 3 parts of galapectite powder, 0.5 part of CNT, activation silicon
1 part of 4 parts of limestone flour and colorant.
Epoxy resin, phenols curing agent, alkaline accelerator, surface modifier, barium sulfate, galapectite are weighed by weight ratio
These components are put into homogenizer mix homogeneously, then are passed through by powder, CNT, the wollastonite in powder of activation and colorant successively
Double screw extruder extrusion, tabletting, cooling, crush, sieve and make powdery paints bottom powder；Again by bottom powder, bronze and bonding auxiliary agent
Put in bonding machines by weight ratio, be passed through protective gas, at 72 DEG C with 800rpm bondings 8min, obtain bonding powder.
Embodiment 2
A kind of simulating golden colour thermosetting powder coating, it is characterised in that：Count by weight, the raw material composition of the powdery paints
For：3 parts of 95 parts of bottom powder, 10 parts of bronze and bonding auxiliary agent；The raw material of the bottom powder is consisted of：55 parts of epoxy resin, phenolic cure
3 parts of agent, 1.5 parts of alkaline accelerator, 6 parts of surface modifier, 5 parts of barium sulfate, 5 parts of galapectite powder, 1 part of CNT, the silicon of activation
1.5 parts of 6 parts of limestone flour and colorant.
Epoxy resin, phenols curing agent, alkaline accelerator, surface modifier, barium sulfate, galapectite are weighed by weight ratio
These components are put into homogenizer mix homogeneously, then are passed through by powder, CNT, the wollastonite in powder of activation and colorant successively
Double screw extruder extrusion, tabletting, cooling, crush, sieve and make powdery paints bottom powder；Again by bottom powder, bronze and bonding auxiliary agent
Put in bonding machines by weight ratio, be passed through protective gas, at 78 DEG C with 600rpm bondings 10min, obtain bonding powder.
Embodiment 3
A kind of simulating golden colour thermosetting powder coating, it is characterised in that：Count by weight, the raw material composition of the powdery paints
For：2 parts of 90 parts of bottom powder, 8 parts of bronze and bonding auxiliary agent；The raw material of the bottom powder is consisted of：50 parts of epoxy resin, phenols curing agent
2.5 parts, 1 part of alkaline accelerator, 5 parts of surface modifier, 4 parts of barium sulfate, 4 parts of galapectite powder, 0.8 part of CNT, activation silicon
1.2 parts of 5 parts of limestone flour and colorant.
Epoxy resin, phenols curing agent, alkaline accelerator, surface modifier, barium sulfate, galapectite are weighed by weight ratio
These components are put into homogenizer mix homogeneously, then are passed through by powder, CNT, the wollastonite in powder of activation and colorant successively
Double screw extruder extrusion, tabletting, cooling, crush, sieve and make powdery paints bottom powder；Again by bottom powder, bronze and bonding auxiliary agent
Put in bonding machines by weight ratio, be passed through protective gas, at 76 DEG C with 700rpm bondings 9min, obtain bonding powder.
The preparation method of the wollastonite in powder of the activation described in embodiment 1 ~ 3 is：Wollastonite is calcined at 850 DEG C
4.5h, is air cooled to room temperature, and comminution by gas stream is carried out to which using jet mill subsequently, and comminution by gas stream pressure is 0.5Mpa；By powder
The broken wollastonite in powder for obtaining carries out immersion treatment 20min with the sulphuric acid of 1.5wt%；After by the wollastonite in powder drying of the acidifying for obtaining,
Using dry process, its modifying surface is processed with coupling agent, obtain the wollastonite in powder for activating.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modification, should all belong to the covering scope of the present invention.
Claims (4)
1. a kind of simulating golden colour thermosetting powder coating, it is characterised in that：Count by weight, the raw material composition of the powdery paints
For：1 ~ 3 part of 85 ~ 95 parts of bottom powder, 6 ~ 10 parts of bronze and bonding auxiliary agent；The raw material of the bottom powder is consisted of：Epoxy resin 45 ~ 55
Part, 2 ~ 3 parts of phenols curing agent, 0.5 ~ 1.5 part of alkaline accelerator, 4 ~ 6 parts of surface modifier, 3 ~ 5 parts of barium sulfate, galapectite powder 3 ~ 5
1 ~ 1.5 part of part, 0.5 ~ 1 part of CNT, 4 ~ 6 parts of the wollastonite in powder of activation and colorant.
2. simulating golden colour thermosetting powder coating according to claim 1, it is characterised in that：The wollastonite in powder of described activation
Preparation method be：Wollastonite is calcined into 4.5h at 850 DEG C, room temperature is air cooled to, subsequently which is carried out using jet mill
Comminution by gas stream, comminution by gas stream pressure are 0.5Mpa；The wollastonite in powder that crushing is obtained is carried out into immersion treatment with the sulphuric acid of 1.5wt%
20min；After by the wollastonite in powder drying of the acidifying for obtaining, using dry process, its modifying surface is processed with coupling agent,
Obtain the wollastonite in powder for activating.
3. simulating golden colour thermosetting powder coating according to claim 1 and 2, it is characterised in that：The wollastonite of the activation
The draw ratio of powder is 18 ~ 24.
4. a kind of method for preparing simulating golden colour thermosetting powder coating as claimed in claim 1, it is characterised in that：Match somebody with somebody by weight
Than weigh epoxy resin, phenols curing agent, alkaline accelerator, surface modifier, barium sulfate, galapectite powder, CNT, activation
These components are put into homogenizer mix homogeneously by wollastonite in powder and colorant successively, then by double screw extruder extrusion, pressure
Piece, cool down, crush, sieving and make powdery paints bottom powder；Bottom powder, bronze and bonding auxiliary agent are put into into bonding machines by weight ratio again
In, protective gas is passed through, at 72 ~ 78 DEG C with 600-800rpm bondings 8-10min, bonding powder is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610963733.4A CN106519898A (en) | 2016-10-28 | 2016-10-28 | Imitated gold thermosetting powder coating and preparation method thereof |
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| CN201610963733.4A CN106519898A (en) | 2016-10-28 | 2016-10-28 | Imitated gold thermosetting powder coating and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264817A (en) * | 2018-01-23 | 2018-07-10 | 苏州聚康新材料科技有限公司 | A kind of thermosetting powder coating preparation method and applications for adding carbon nanotube |
| CN108659678A (en) * | 2018-06-15 | 2018-10-16 | 山东兰生环保科技有限公司 | The epoxide powder coating and preparation method thereof of multilayer carbon nanotube enhancing |
| CN109135508A (en) * | 2018-08-15 | 2019-01-04 | 厦门德立邦新材料科技有限公司 | One kind imitating gold-plated powdery paints and preparation method thereof |
| CN111875988A (en) * | 2020-08-04 | 2020-11-03 | 江西广源化工有限责任公司 | Modified needle-shaped wollastonite powder, preparation method and application thereof, and pipeline anticorrosion epoxy powder coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264817A (en) * | 2018-01-23 | 2018-07-10 | 苏州聚康新材料科技有限公司 | A kind of thermosetting powder coating preparation method and applications for adding carbon nanotube |
| CN108659678A (en) * | 2018-06-15 | 2018-10-16 | 山东兰生环保科技有限公司 | The epoxide powder coating and preparation method thereof of multilayer carbon nanotube enhancing |
| CN109135508A (en) * | 2018-08-15 | 2019-01-04 | 厦门德立邦新材料科技有限公司 | One kind imitating gold-plated powdery paints and preparation method thereof |
| CN111875988A (en) * | 2020-08-04 | 2020-11-03 | 江西广源化工有限责任公司 | Modified needle-shaped wollastonite powder, preparation method and application thereof, and pipeline anticorrosion epoxy powder coating |
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