CN106590338A - Art-type powder coating with stripe effect and preparing method of art-type powder coating - Google Patents
Art-type powder coating with stripe effect and preparing method of art-type powder coating Download PDFInfo
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- CN106590338A CN106590338A CN201611136035.3A CN201611136035A CN106590338A CN 106590338 A CN106590338 A CN 106590338A CN 201611136035 A CN201611136035 A CN 201611136035A CN 106590338 A CN106590338 A CN 106590338A
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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
- 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
- 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
- C09D5/06—Artists' paints
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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)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses an art-type powder coating with a stripe effect. The powder coating is composed of, by weight, 85%-95% of a base stock, 1%-10% of an assistant and 1%-10% of a pigment; the base stock comprises modified epoxide resin, carboxyl polyester resin, a curing agent, a wetting agent, a bottom color pigment, a degassing agent and fillers; and the assistant comprises a fixing agent, a stripe agent, an accelerant and oxidized graphene. Compared with an existing art-type powder coating with a stripe effect, the art-type powder coating with the stripe effect has the beneficial effects of being good in dispersity and high in adhesiveness; the covering power of the art-type powder coating is good, curing is simple, and the service life of the product can be effectively prolonged; the powder coating is safe and non-toxic; utilized raw materials cannot pollute the environment; and the preparing method of the powder coating is simple, the preparing cost is low, and the method is worthy of popularization.
Description
Technical field
The present invention relates to powder coating technology field, more particularly to a kind of art-type powder coatings and its system of marbled effect
Preparation Method.
Background technology
Powdery paints is a kind of new without the solid powdery coating of solvent 100%.With it is solvent-free, pollution-free, can
Reclaim, environmental protection, save energy and resource, the features such as reduce labor intensity high with coating machinery intensity, powdery paints is broadly divided into
Thermoplastic powder coating and the big class of thermosetting powder coating two.Art-type powder coatings are one of important kinds of powdery paints,
At present, art-type powder coatings mainly have the kinds such as sand wrinkle, tangerine line, sludge ice, flash of light, metallochrome, and using pearly-lustre, metallic equivalent should
Coating made by pigment is increasingly subject to liking for people with good exterior decorative effect, and therefore paint class fine arts type coating obtain
Rapid development.Wherein most favored by people with the powdery paints of marbled effect, it has, and outward appearance visual sense is good, concavo-convex contact
The features such as good, physical and mechanical properties of sense is good.The formation of speckle is the result that various materials interact in many ways in film, and speckle is most
Whole effect is not only affected by product formula, the coating thickness of material property (such as granularity) and film, solidification heating condition, also
It is closely related with the control of dry mixing process.Variegated product is typically carried out by the way of dry-mixed production, first using melting extrusion side
Method produces base-material, then is uniformly dispersed and makes product base-material and pigment, speckle auxiliary agent and other auxiliary agent dry mixeds.Patent application
Number for 200410041164.5 marbled effects art-type powder coatings, that is, the dry pigmentation for adopting.It is general in dry-mixed production at present
Carried out using mixed at high speed (low-shearing force), bonding techniques or heating blend technology, because mixed effect has differences with test technology,
On the market the existing powdery paints with marbled effect also deposit paint film defect after hardening be difficult to conceal, condition of cure it is high, coating
The shortcomings of bad dispersibility, tack difference.Based on above statement, the present invention proposes a kind of art-type powder coatings of marbled effect
And preparation method thereof.
The content of the invention
The invention aims to shortcoming present in prior art is solved, and a kind of fine arts of the marbled effect for proposing
Type powdery paints and preparation method thereof.
A kind of art-type powder coatings of marbled effect, the powdery paints is made up of base-material, auxiliary agent and pigment, wherein,
The percentage by weight of each component is:Base-material 85~95%, auxiliary agent 1~10%, pigment 1~10%, the base-material includes modified ring
Oxygen tree fat, carboxyl polyester resin, curing agent, wetting agent, background color pigment, degasser, filler;The auxiliary agent includes fixative, spot
Line agent, accelerator and graphene oxide.
Preferably, the weight portion of the base-material each component be 20~45 parts of modified epoxy, carboxyl polyester resin 15~
30 parts, 1~3 part of curing agent, 0.8~1.5 part of wetting agent, 3~8 parts of background color pigment, 1~3 part of degasser, 6~12 parts of filler.
Preferably, the weight portion of the auxiliary agent each component is 0.4~0.8 part of fixative, 1~3 part of speckle agent, accelerator 1
~3 parts, 0.15~0.25 part of graphene oxide.
Preferably, the modified epoxy preparation method is:S1, epoxy resin is heated to 75~85 DEG C, heating 30
It is incubated after~50min;S2, nano titanium oxide or nano silicon are mixed with coupling agent after the ring that is added in S1
In oxygen tree fat, after being stirred mixing, curing agent is added, after continuing to be well mixed, cooling and solidifying is obtained final product.
Preferably, described filler is carbon black, blanc fixe, calcium carbonate, lithopone, titanium dioxide and rutile type titanium white
In one or more.
Preferably, the pigment is any two kinds of combinations in convention pigment, pearlescent pigment and metallic pigments.
The invention allows for a kind of preparation method of the art-type powder coatings of marbled effect, comprises the following steps:
S1, the modified epoxy and carboxyl polyester resin of the proportion be heated to 90~140 DEG C, after 1~3h of heating,
Curing agent, wetting agent, background color pigment, degasser and the filler of the proportion are added, with the rotating speed of 200~500r/min, stirring
After being well mixed, by double screw extruder extrusion, section, using pulverizer the base-material that particle diameter is 20~80 μm is ground into;
S2, the fixative of the proportion, speckle agent, accelerator and graphene oxide are added to into concentration is 30~55%
In ethanol solution, after 0.6~1h of sonic oscillation, Jing after the accurate filter of the mesh of mesh number position 800~1250 is filtered, it is placed in vacuum and does
In dry case, it is dried 20~40min at 78~92 DEG C and obtains final product auxiliary agent;
S3, by the percentage by weight, the auxiliary agent in the base-material and step S2 in step S1 is added to into powder mixer
In, the pigment of the percentage by weight is added, at 60~80 DEG C, with the rotating speed mixed at high speed of 700~900r/min, mixing is equal
Sieve after even and obtain final product.
The art-type powder coatings of a kind of marbled effect proposed by the present invention, compared to existing U.S. with marbled effect
Art type powdery paints, has the advantages that good dispersion, tack are high, and its covering power is good, and solidification is simple, can effectively extend product
The service life of product, powdery paints safety non-toxic proposed by the present invention, it is raw materials used will not be to environment, the present invention is also
A kind of preparation method of the art-type powder coatings of marbled effect is proposed, using modified epoxy and carboxyl polyester resin system
Into paint binder, rear and base-material is modified to auxiliary agent using graphene oxide carries out being mixed to prepare required coating, its preparation side
Method is simple, preparation cost is low, is worthy to be popularized.
Specific embodiment
The present invention is made with reference to specific embodiment further explain.
Embodiment one
A kind of art-type powder coatings of marbled effect proposed by the present invention, the powdery paints is by base-material, auxiliary agent and face
Material composition, wherein, the percentage by weight of each component is:Base-material 90%, auxiliary agent 5%, pigment 5%, the base-material includes following heavy
Amount part raw material:30 parts of modified epoxy, 22 parts of carboxyl polyester resin, 2.5 parts of curing agent, 1 part of wetting agent, 4 parts of background color pigment,
2 parts of degasser, 8 parts of filler;The following raw material of the auxiliary agent bag:0.5 part of fixative, 2 parts of speckle agent, 1.5 parts of accelerator,
0.2 part of graphene oxide.
Its preparation method, comprises the following steps:
S1, epoxy resin is heated to 80 DEG C, is incubated after heating 40min, add nano titanium oxide and coupling agent, carry out
After stirring mixing, curing agent is added, after continuing to be well mixed, cooling and solidifying obtains final product modified epoxy;
S2, the modified epoxy and carboxyl polyester resin of the proportion be heated to 90~100 DEG C, after heating 2h, plus
Enter curing agent, wetting agent, background color pigment, degasser and the filler of the proportion, with the rotating speed of 400r/min, be uniformly mixed
Afterwards, by double screw extruder extrusion, section, using pulverizer the base-material that particle diameter is 50 μm is ground into;
S3, the fixative of the proportion, speckle agent, accelerator and graphene oxide are added to into the ethanol that concentration is 45%
In solution, after sonic oscillation 0.8h, Jing after the accurate filter of the mesh of mesh number position 1000 is filtered, it is placed in vacuum drying chamber, 80
30min is dried at DEG C and obtains final product auxiliary agent;
S4, by the percentage by weight, the auxiliary agent in the base-material and step S2 in step S1 is added to into powder mixer
In, the pigment of the percentage by weight is added, at 70 DEG C, with the rotating speed mixed at high speed of 750r/min, sieve after being well mixed
Obtain final product.
Embodiment two
A kind of art-type powder coatings of marbled effect proposed by the present invention, the powdery paints is by base-material, auxiliary agent and face
Material composition, wherein, the percentage by weight of each component is:Base-material 88%, auxiliary agent 4%, pigment 8%, the base-material includes following heavy
Amount part raw material:42 parts of modified epoxy, 18 parts of carboxyl polyester resin, 2 parts of curing agent, 1.2 parts of wetting agent, 8 parts of background color pigment,
1.5 parts of degasser, 10 parts of filler;The following raw material of the auxiliary agent bag:0.4 part of fixative, 1.5 parts of speckle agent, accelerator 3
Part, 0.15 part of graphene oxide.
Its preparation method, comprises the following steps:
S1, epoxy resin is heated to 75 DEG C, is incubated after heating 50min, add nano titanium oxide and coupling agent, carry out
After stirring mixing, curing agent is added, after continuing to be well mixed, cooling and solidifying obtains final product modified epoxy;
S2, the modified epoxy and carboxyl polyester resin of the proportion be heated to 120 DEG C, after heating 1h, add institute
Curing agent, wetting agent, background color pigment, degasser and the filler of proportion are stated, with the rotating speed of 300r/min, after being uniformly mixed,
By double screw extruder extrusion, section, using pulverizer the base-material that particle diameter is 80 μm is ground into;
S3, the fixative of the proportion, speckle agent, accelerator and graphene oxide are added to into the ethanol that concentration is 30%
In solution, after sonic oscillation 1h, Jing after the accurate filter of the mesh of mesh number position 800 is filtered, it is placed in vacuum drying chamber, at 78 DEG C
It is dried 25min and obtains final product auxiliary agent;
S4, by the percentage by weight, the auxiliary agent in the base-material and step S2 in step S1 is added to into powder mixer
In, the pigment of the percentage by weight is added, at 80 DEG C, with the rotating speed mixed at high speed of 900r/min, sieve after being well mixed
Obtain final product.
Embodiment three
A kind of art-type powder coatings of marbled effect proposed by the present invention, the powdery paints is by base-material, auxiliary agent and face
Material composition, wherein, the percentage by weight of each component is:Base-material 92%, auxiliary agent 5%, pigment 3%, the base-material includes following heavy
Amount part raw material:45 parts of modified epoxy, 15 parts of carboxyl polyester resin, 1.5 parts of curing agent, 0.8 part of wetting agent, background color pigment 5
Part, 1 part of degasser, 12 parts of filler;The following raw material of the auxiliary agent bag:0.8 part of fixative, 2.5 parts of speckle agent, accelerator
2 parts, 0.22 part of graphene oxide.
Its preparation method, comprises the following steps:
S1, epoxy resin is heated to 82 DEG C, is incubated after heating 35min, add nano titanium oxide and coupling agent, carry out
After stirring mixing, curing agent is added, after continuing to be well mixed, cooling and solidifying obtains final product modified epoxy;
S2, the modified epoxy and carboxyl polyester resin of the proportion be heated to 90 DEG C, after heating 1.5h, add institute
Curing agent, wetting agent, background color pigment, degasser and the filler of proportion are stated, with the rotating speed of 350r/min, after being uniformly mixed,
By double screw extruder extrusion, section, using pulverizer the base-material that particle diameter is 20 μm is ground into;
S3, the fixative of the proportion, speckle agent, accelerator and graphene oxide are added to into the ethanol that concentration is 55%
In solution, after sonic oscillation 0.6h, Jing after the accurate filter of the mesh of mesh number position 1250 is filtered, it is placed in vacuum drying chamber, 85
40min is dried at DEG C and obtains final product auxiliary agent;
S4, by the percentage by weight, the auxiliary agent in the base-material and step S2 in step S1 is added to into powder mixer
In, the pigment of the percentage by weight is added, at 75 DEG C, with the rotating speed mixed at high speed of 850r/min, sieve after being well mixed
Obtain final product.
Example IV
A kind of art-type powder coatings of marbled effect proposed by the present invention, the powdery paints is by base-material, auxiliary agent and face
Material composition, wherein, the percentage by weight of each component is:Base-material 85%, auxiliary agent 7%, pigment 8%, the base-material includes following heavy
Amount part raw material:38 parts of modified epoxy, 28 parts of carboxyl polyester resin, 1 part of curing agent, 1.5 parts of wetting agent, 6 parts of background color pigment,
3 parts of degasser, 6 parts of filler;The following raw material of the auxiliary agent bag:0.6 part of fixative, 3 parts of speckle agent, 1 part of accelerator, oxygen
0.18 part of graphite alkene.
Its preparation method, comprises the following steps:
S1, epoxy resin is heated to 78 DEG C, is incubated after heating 45min, add nano titanium oxide and coupling agent, carry out
After stirring mixing, curing agent is added, after continuing to be well mixed, cooling and solidifying obtains final product modified epoxy;
S2, the modified epoxy and carboxyl polyester resin of the proportion be heated to 140 DEG C, after heating 3h, add institute
Curing agent, wetting agent, background color pigment, degasser and the filler of proportion are stated, with the rotating speed of 500r/min, after being uniformly mixed,
By double screw extruder extrusion, section, using pulverizer the base-material that particle diameter is 40 μm is ground into;
S3, the fixative of the proportion, speckle agent, accelerator and graphene oxide are added to into the ethanol that concentration is 40%
In solution, after sonic oscillation 0.9h, Jing after the accurate filter of the mesh of mesh number position 1100 is filtered, it is placed in vacuum drying chamber, 92
35min is dried at DEG C and obtains final product auxiliary agent;
S4, by the percentage by weight, the auxiliary agent in the base-material and step S2 in step S1 is added to into powder mixer
In, the pigment of the percentage by weight is added, at 60 DEG C, with the rotating speed mixed at high speed of 700r/min, sieve after being well mixed
Obtain final product.
Embodiment five
A kind of art-type powder coatings of marbled effect proposed by the present invention, the powdery paints is by base-material, auxiliary agent and face
Material composition, wherein, the percentage by weight of each component is:Base-material 95%, auxiliary agent 2%, pigment 3%, the base-material includes following heavy
Amount part raw material:It is 35 parts of modified epoxy, 30 parts of carboxyl polyester resin, 3 parts of curing agent, 1 part of wetting agent, 3 parts of background color pigment, de-
2.5 parts of gas agent, 9 parts of filler;The following raw material of the auxiliary agent bag:0.7 part of fixative, 1 part of speckle agent, 2.5 parts of accelerator,
0.25 part of graphene oxide.
Its preparation method, comprises the following steps:
S1, epoxy resin is heated to 85 DEG C, is incubated after heating 30min, add nano titanium oxide and coupling agent, carry out
After stirring mixing, curing agent is added, after continuing to be well mixed, cooling and solidifying obtains final product modified epoxy;
S2, the modified epoxy and carboxyl polyester resin of the proportion be heated to 110 DEG C, after heating 2.5h, add
The curing agent of the proportion, wetting agent, background color pigment, degasser and filler, with the rotating speed of 200r/min, are uniformly mixed
Afterwards, by double screw extruder extrusion, section, using pulverizer the base-material that particle diameter is 60 μm is ground into;
S3, the fixative of the proportion, speckle agent, accelerator and graphene oxide are added to into the second that concentration is 350%
In alcoholic solution, after sonic oscillation 0.7h, Jing after the accurate filter of the mesh of mesh number position 900 is filtered, it is placed in vacuum drying chamber, 90
20min is dried at DEG C and obtains final product auxiliary agent;
S4, by the percentage by weight, the auxiliary agent in the base-material and step S2 in step S1 is added to into powder mixer
In, the pigment of the percentage by weight is added, at 65 DEG C, with the rotating speed mixed at high speed of 800r/min, sieve after being well mixed
Obtain final product.
The art-type powder coatings of the marbled effect prepared in the embodiment of the present invention one~five are constructed in identical test specimen
On, after maintenance 3d, carry out smearing after wiping using burlap, its situation that fades is observed, draw following result:
Embodiment | One | Two | Three | Four | Five |
Fade situation | Nothing | Nothing | Nothing | Nothing | Nothing |
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (7)
1. a kind of art-type powder coatings of marbled effect, it is characterised in that the powdery paints is by base-material, auxiliary agent and pigment group
Into, wherein, the percentage by weight of each component is:Base-material 85~95%, auxiliary agent 1~10%, pigment 1~10%, the base-material bag
Include modified epoxy, carboxyl polyester resin, curing agent, wetting agent, background color pigment, degasser, filler;The auxiliary agent includes solid
Determine agent, speckle agent, accelerator and graphene oxide.
2. a kind of art-type powder coatings of marbled effect according to claim 1, it is characterised in that the base-material each group
The weight portion for dividing is 20~45 parts of modified epoxy, 15~30 parts of carboxyl polyester resin, 1~3 part of curing agent, wetting agent 0.8
~1.5 parts, 3~8 parts of background color pigment, 1~3 part of degasser, 6~12 parts of filler.
3. a kind of art-type powder coatings of marbled effect according to claim 1, it is characterised in that the auxiliary agent each group
The weight portion for dividing is 0.4~0.8 part of fixative, 1~3 part of speckle agent, 1~3 part of accelerator, graphene oxide 0.15~0.25
Part.
4. a kind of art-type powder coatings of marbled effect according to claim 1, it is characterised in that the modified epoxy
Process for preparing resins is:S1, epoxy resin is heated to 75~85 DEG C, is incubated after 30~50min of heating;S2, by nano-silica
Change titanium or nano silicon are added in the epoxy resin in S1 after being mixed with coupling agent, after being stirred mixing, plus
Enter curing agent, after continuing to be well mixed, cooling and solidifying is obtained final product.
5. art-type powder coatings of a kind of marbled effect according to claim 1, it is characterised in that described filler is carbon
One or more in black, blanc fixe, calcium carbonate, lithopone, titanium dioxide and rutile type titanium white.
6. art-type powder coatings of a kind of marbled effect according to claim 1, it is characterised in that the pigment is normal
Any two kinds of combinations in rule pigment, pearlescent pigment and metallic pigments.
7. a kind of preparation method of the art-type powder coatings of marbled effect, it is characterised in that comprise the following steps:
S1, the modified epoxy and carboxyl polyester resin of the proportion be heated to 90~140 DEG C, after 1~3h of heating, add
The curing agent of the proportion, wetting agent, background color pigment, degasser and filler, with the rotating speed of 200~500r/min, stirring mixing
After uniform, by double screw extruder extrusion, section, using pulverizer the base-material that particle diameter is 20~80 μm is ground into;
S2, the fixative of the proportion, speckle agent, accelerator and graphene oxide are added to into the ethanol that concentration is 30~55%
In solution, after 0.6~1h of sonic oscillation, Jing after the accurate filter of the mesh of mesh number position 800~1250 is filtered, vacuum drying chamber is placed in
It is interior, it is dried 20~40min at 78~92 DEG C and obtains final product auxiliary agent;
S3, by the percentage by weight, the auxiliary agent in the base-material and step S2 in step S1 is added in powder mixer, plus
Enter the pigment of the percentage by weight, at 60~80 DEG C, with the rotating speed mixed at high speed of 700~900r/min, after being well mixed
Sieve and obtain final product.
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CN1715348A (en) * | 2004-07-02 | 2006-01-04 | 徐州正菱涂装有限公司 | Artistic powder paint of mottle effect |
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CN104109450A (en) * | 2014-08-01 | 2014-10-22 | 宁波市派特勒粉末涂料有限公司 | Graphene anticorrosive powder paint and preparation method thereof |
CN104194585A (en) * | 2014-09-18 | 2014-12-10 | 周诚 | Graphene-modified resin powder coating and production process thereof |
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2016
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CN1715348A (en) * | 2004-07-02 | 2006-01-04 | 徐州正菱涂装有限公司 | Artistic powder paint of mottle effect |
CN1796474A (en) * | 2004-12-22 | 2006-07-05 | 芜湖市荻港粉末涂料有限责任公司 | Thermosetting fine arts powder coating of malleolar stria |
CN104109450A (en) * | 2014-08-01 | 2014-10-22 | 宁波市派特勒粉末涂料有限公司 | Graphene anticorrosive powder paint and preparation method thereof |
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