CN105925144A - Low-temperature-curing powder paint and preparation method thereof - Google Patents
Low-temperature-curing powder paint and preparation method thereof Download PDFInfo
- Publication number
- CN105925144A CN105925144A CN201610512641.4A CN201610512641A CN105925144A CN 105925144 A CN105925144 A CN 105925144A CN 201610512641 A CN201610512641 A CN 201610512641A CN 105925144 A CN105925144 A CN 105925144A
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- low temperature
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- powder coating
- epoxy resin
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a low-temperature-curing powder paint and a preparation method thereof. The method comprises the following steps: preheating a high-speed mixer for 15 minutes, uniformly mixing low-temperature-curing polyester gum, an epoxy resin, a brightening agent, benzoin, titanium white, precipitated barium and a leveling agent, pouring the mixture into an extruder, carrying out melt extrusion at 300-400 DEG C at the rotation speed of 200 r/min, mashing the extruded mixture, transferring into a grinder, grinding at 1300-1400 r/min, and screening through an 80-100-mu m sieve. The low-temperature-curing powder paint has the advantages of energy saving, environment friendliness, lower requirements for the application environment and favorable mechanical properties.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to a kind of low temperature cured powder coating and
Preparation method.
Background technology
Powdery paints, with the superior function of its environmental protection and economy, is widely used in the surface of various metalwork
Application.Along with the development of economic society, people are more and more deep to the concept of environmental protection, and powder is coated with
The range of application of material is the most increasing, and the requirement of the condition of cure of powdery paints is the most more come by people
The highest.The condition of cure of common powdery paints is mostly that baking temperature is higher, and baking time is relatively
Long, this kind of technique easily causes the waste of the energy.Therefore, from saving the energy, cost is reduced
Angle considers, low temperature curing type powdery paints has wide market prospect.Wherein, particularly
Low temperature cured powder coating, because of its energy-conserving and environment-protective, painting environment requires relatively low, in recent years,
Become hot spot technology, but, existing product is all difficulty with the solidification of lower temperature.
Summary of the invention
In view of this, it is a need for providing a kind of low temperature cured powder coating and preparation method thereof.
A kind of low temperature cured powder coating, including following component:
Described low temperature curing resin is band isophthalic unsaturation aromatic polyester resin, described brightener
For benzylideneacetone, described Benzoinum is diphenylhydroxyethanone, and described titanium dioxide is titanium dioxide, institute
Stating precipitation barium is barium sulfate, and described levelling agent is DAA.
Preferably, described component is:
Preferably, described component is:
Preferably, described epoxy resin is bisphenol A type epoxy resin.
The preparation method of a kind of low temperature cured powder coating, it is characterised in that method includes:
High-speed mixer is preheated 15min；
By low-temperature setting polyester natural gum, epoxy resin, brightener, Benzoinum, titanium dioxide,
Precipitation barium, levelling agent mix homogeneously；
Pouring mixed material into extruder, rotating speed is 200r/min, and temperature is
300-400 DEG C, melt extrude；
The mixture of extrusion is smashed to pieces, is transferred to grinder, carry out at 1300-1400r/min
Grind；
After grinding, the worry through 80-100 μm is sieved.
Preferably, also include the powder sifted out is carried out application.
Preferably, described extruder temperature is 350 DEG C.
Preferably, described grinder rotating speed is 1350r/min.
The beneficial effects of the present invention is: provide a kind of low temperature cured powder coating and preparation thereof
Method, the low temperature cured powder coating energy-conserving and environment-protective of production, painting environment requires relatively low, machinery
Function admirable, method is the most easily carried out.
Detailed description of the invention
Embodiment 1
A kind of low temperature cured powder coating, including following component:
Low temperature curing resin is band isophthalic unsaturation aromatic polyester resin, and brightener is benzal third
Ketone, Benzoinum is diphenylhydroxyethanone, and titanium dioxide is titanium dioxide, and precipitation barium is barium sulfate, stream
Flat agent is DAA, and epoxy resin is bisphenol A type epoxy resin.
A kind of preparation method of low temperature cured powder coating, method includes:
High-speed mixer is preheated 15min；
By low-temperature setting polyester natural gum, epoxy resin, brightener, Benzoinum, titanium dioxide,
Precipitation barium, levelling agent mix homogeneously；
Pouring mixed material into extruder, rotating speed is 200r/min, and temperature is 300 DEG C,
Melt extrude；
The mixture of extrusion is smashed to pieces, is transferred to grinder, be ground at 1300r/min；
After grinding, the worry through 80-100 μm is sieved, application.
Embodiment 2
A kind of low temperature cured powder coating, including following component:
A kind of preparation method of low temperature cured powder coating, method includes:
High-speed mixer is preheated 15min；
By low-temperature setting polyester natural gum, epoxy resin, brightener, Benzoinum, titanium dioxide, sink
Shallow lake barium, levelling agent mix homogeneously；
Pouring mixed material into extruder, rotating speed is 200r/min, and temperature is 300 DEG C,
Melt extrude；
The mixture of extrusion is smashed to pieces, is transferred to grinder, be ground at 1300r/min；
After grinding, the worry through 80-100 μm is sieved, application.
Embodiment 3
A kind of low temperature cured powder coating, including following component:
Low temperature curing resin is band isophthalic unsaturation aromatic polyester resin, and brightener is benzal third
Ketone, Benzoinum is diphenylhydroxyethanone, and titanium dioxide is titanium dioxide, and precipitation barium is barium sulfate, stream
Flat agent is DAA, and epoxy resin is bisphenol A type epoxy resin.
A kind of preparation method of low temperature cured powder coating, method includes:
High-speed mixer is preheated 15min；
By low-temperature setting polyester natural gum, epoxy resin, brightener, Benzoinum, titanium dioxide,
Precipitation barium, levelling agent mix homogeneously；
Pouring mixed material into extruder, rotating speed is 200r/min, and temperature is 350 DEG C,
Melt extrude；
The mixture of extrusion is smashed to pieces, is transferred to grinder, be ground at 1350r/min；
After grinding, the worry through 80-100 μm is sieved, application.
Embodiment 4
A kind of low temperature cured powder coating, including following component:
Low temperature curing resin is band isophthalic unsaturation aromatic polyester resin, and brightener is benzal third
Ketone, Benzoinum is diphenylhydroxyethanone, and titanium dioxide is titanium dioxide, and precipitation barium is barium sulfate, stream
Flat agent is DAA, and epoxy resin is bisphenol A type epoxy resin.
A kind of preparation method of low temperature cured powder coating, method includes:
High-speed mixer is preheated 15min；
By low-temperature setting polyester natural gum, epoxy resin, brightener, Benzoinum, titanium dioxide,
Precipitation barium, levelling agent mix homogeneously；
Pouring mixed material into extruder, rotating speed is 200r/min, and temperature is 400 DEG C,
Melt extrude；
The mixture of extrusion is smashed to pieces, is transferred to grinder, be ground at 1400r/min；
After grinding, the worry through 80-100 μm is sieved, application.
Experimental result:
Resistance to impact: standard impulse, flawless；
Solvent resistant: 360 hours, unchanged；
Water boiling resistance: 180 hours, unchanged；
Thickness: 90-98；
Gloss: 100%；
Salt spray resistance: 1200 hours, unchanged.
Have the beneficial effects that: provide a kind of low temperature cured powder coating and preparation method thereof, raw
The low temperature cured powder coating energy-conserving and environment-protective produced, painting environment requires relatively low, good mechanical performance,
Method is the most easily carried out.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention,
All any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention,
Should be included within the scope of the present invention.
Claims (8)
1. a low temperature cured powder coating, it is characterised in that include following component:
Low-temperature setting polyester natural gum: 160-170 part epoxy resin: 165-170 part
Brightener: 6-7 part Benzoinum: 2.5 parts
Titanium dioxide: 115-125 part precipitation barium: 125-135 part
Levelling agent: 6-7 part
Described low temperature curing resin is band isophthalic unsaturation aromatic polyester resin, and described brightener is benzylideneacetone, and described Benzoinum is diphenylhydroxyethanone, and described titanium dioxide is titanium dioxide, and described precipitation barium is barium sulfate, and described levelling agent is DAA.
Low temperature cured powder coating the most according to claim 1, it is characterised in that: described component is:
Low-temperature setting polyester natural gum: 165 parts of epoxy resin: 168
Brightener: 6.5 parts of Benzoinumes: 2.5 parts
Titanium dioxide: 118 parts of precipitation barium: 127 parts
Levelling agent: 6.8 parts.
Low temperature cured powder coating the most according to claim 1, it is characterised in that: described component is:
Low-temperature setting polyester natural gum: 168 parts of epoxy resin: 166
Brightener: 6.8 parts of Benzoinumes: 2.5 parts
Titanium dioxide: 116 parts of precipitation barium: 128 parts
Levelling agent: 6.5 parts.
Low temperature cured powder coating the most according to claim 1, it is characterised in that: described epoxy resin is bisphenol A type epoxy resin.
5. the preparation method of a low temperature cured powder coating, it is characterised in that method includes:
High-speed mixer is preheated 15min；
By low-temperature setting polyester natural gum, epoxy resin, brightener, Benzoinum, titanium dioxide, precipitation barium, levelling agent mix homogeneously；
Pouring mixed material into extruder, rotating speed is 200r/min, and temperature is 300-400 DEG C, melt extrudes；
The mixture of extrusion is smashed to pieces, is transferred to grinder, be ground at 1300-1400r/min；
After grinding, the worry through 80-100 μm is sieved.
6. the preparation method of a low temperature cured powder coating, it is characterised in that: also include the powder sifted out is carried out application.
7. the preparation method of a low temperature cured powder coating, it is characterised in that: described extruder temperature is 350 DEG C.
8. the preparation method of a low temperature cured powder coating, it is characterised in that: described grinder rotating speed is 1350r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512641.4A CN105925144A (en) | 2016-06-30 | 2016-06-30 | Low-temperature-curing powder paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512641.4A CN105925144A (en) | 2016-06-30 | 2016-06-30 | Low-temperature-curing powder paint and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105925144A true CN105925144A (en) | 2016-09-07 |
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| CN201610512641.4A Pending CN105925144A (en) | 2016-06-30 | 2016-06-30 | Low-temperature-curing powder paint and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106752765A (en) * | 2016-12-07 | 2017-05-31 | 立邦涂料（天津）有限公司 | A kind of toughening modifying low-temperature setting low-luster powdery paints, Preparation method and use |
| CN107118667A (en) * | 2017-06-23 | 2017-09-01 | 东莞市联盈粉末制品有限公司 | A kind of flash type powdery paints containing pigment scarlet powder |
| CN108504254A (en) * | 2018-05-11 | 2018-09-07 | 佛山市上利丰装饰材料有限公司 | The preparation method of powdery paints for plastic wood sheet surface |
| CN108641545A (en) * | 2018-05-11 | 2018-10-12 | 佛山市上利丰装饰材料有限公司 | A kind of powdery paints for plastic wood sheet surface |
| CN111849315A (en) * | 2020-08-12 | 2020-10-30 | 湖南连心科技有限公司 | Salt-fog-resistant powder coating and preparation method thereof |
| CN112210276A (en) * | 2020-10-19 | 2021-01-12 | 河北盛可居装饰材料有限公司 | MDF low-temperature powder and preparation method thereof |
| CN112574651A (en) * | 2020-11-27 | 2021-03-30 | 惠州市诚业家具有限公司 | High-dyne-value baking varnish powder, preparation method thereof and baking varnish process |
| CN115260881A (en) * | 2022-08-18 | 2022-11-01 | 温州市立邦塑粉有限公司 | Low-temperature curing polyester type powder coating and preparation method thereof |
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| US20060292374A1 (en) * | 2005-06-23 | 2006-12-28 | Chasser Anthony M | Powder coating compositions, mid-gloss range coatings, related methods and substrates |
| CN103160195A (en) * | 2013-02-22 | 2013-06-19 | 安徽华辉塑业科技有限公司 | Low temperature solidified type epoxy/ polyester powder coating |
| CN103160185A (en) * | 2013-02-22 | 2013-06-19 | 安徽华辉塑业科技有限公司 | Matte epoxy/ polyester powder coating and preparation method thereof |
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- 2016-06-30 CN CN201610512641.4A patent/CN105925144A/en active Pending
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106752765A (en) * | 2016-12-07 | 2017-05-31 | 立邦涂料（天津）有限公司 | A kind of toughening modifying low-temperature setting low-luster powdery paints, Preparation method and use |
| CN107118667A (en) * | 2017-06-23 | 2017-09-01 | 东莞市联盈粉末制品有限公司 | A kind of flash type powdery paints containing pigment scarlet powder |
| CN108504254A (en) * | 2018-05-11 | 2018-09-07 | 佛山市上利丰装饰材料有限公司 | The preparation method of powdery paints for plastic wood sheet surface |
| CN108641545A (en) * | 2018-05-11 | 2018-10-12 | 佛山市上利丰装饰材料有限公司 | A kind of powdery paints for plastic wood sheet surface |
| CN111849315A (en) * | 2020-08-12 | 2020-10-30 | 湖南连心科技有限公司 | Salt-fog-resistant powder coating and preparation method thereof |
| CN112210276A (en) * | 2020-10-19 | 2021-01-12 | 河北盛可居装饰材料有限公司 | MDF low-temperature powder and preparation method thereof |
| CN112574651A (en) * | 2020-11-27 | 2021-03-30 | 惠州市诚业家具有限公司 | High-dyne-value baking varnish powder, preparation method thereof and baking varnish process |
| CN115260881A (en) * | 2022-08-18 | 2022-11-01 | 温州市立邦塑粉有限公司 | Low-temperature curing polyester type powder coating and preparation method thereof |
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Application publication date: 20160907 |