CN107474624A - A kind of coating constitution modified composite powder body filler and its preparation method and application - Google Patents
A kind of coating constitution modified composite powder body filler and its preparation method and application Download PDFInfo
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- CN107474624A CN107474624A CN201710707529.0A CN201710707529A CN107474624A CN 107474624 A CN107474624 A CN 107474624A CN 201710707529 A CN201710707529 A CN 201710707529A CN 107474624 A CN107474624 A CN 107474624A
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- Prior art keywords
- powder
- modified composite
- resin
- coating
- powder body
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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
- 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
- C09D5/18—Fireproof paints including high temperature resistant paints
Abstract
The present invention proposes a kind of coating constitution modified composite powder body filler and its preparation method and application, and constitution modified composite powder body filler includes the component of following parts by weight：69 parts of matrix of powder material, 17 22 parts of powder stuffing, 0.1~0.2 part of difunctional or the cross-linking type raw material of trifunctional, 0.02~0.03 part of asymmetric organic peroxide low temperature curing agent and 1~2 part of pigment；Wherein, the matrix of powder material is resin slurry, and the powder stuffing is special hydrogen alumina powder.It is using resin slurry as base-material；To be filled into resin, and using the light alumina powder of special type as filler, it is crosslinked by mixing, pouring into a mould crosslinking or extrusion, then is made by two sections of crushing, two sections of homogenizing.The present invention further increases both affinity and conjugation, macroscopically improves the abrasion resistance of coating；Improve the performance of the water resistance of coating, water proofing property, weatherability, color stability etc..
Description
Technical field
The invention belongs to paint field, is related to a kind of coating constitution modified composite powder body filler and preparation method thereof and answers
With.
Background technology
Existing paint filler mainly includes the powder of the single inorganic constituents such as calcium carbonate, barium sulfate, silicate, silica
Body, lack organic-inorganic composite；It is simple in construction additionally, due to powder body material, especially lack internal structure microcosmic refinement,
Porous and make it that bond strength between filler and paint binder and between coating and coated article is unsatisfactory.
The content of the invention
In view of this, first purpose of the invention is to propose a kind of coating constitution modified composite powder body filler, from
Microcosmic angle improves the microstructure of single filler, overall refinement property, the internal porosity of powder stuffing is improved particularly, with increase
The bond strength of paint binder.It provides special composite granule filler for the production of coating even high-end coating, improves and applies comprehensively
The performance of material and life-span.
Second object of the present invention is the preparation method for proposing above-mentioned constitution modified composite powder body filler.
Third object of the present invention is the application for proposing above-mentioned constitution modified composite powder body filler.
In order to solve the above technical problems, first purpose of the present invention is achieved using following technical scheme：
A kind of coating constitution modified composite powder body filler, include the component of following parts by weight：
The friendship of the matrix of powder material of 6-9 parts, the powder stuffing of 17-22 parts, 0.1~0.2 part of difunctional or trifunctional
Connection type raw material, 0.02~0.03 part of asymmetric organic peroxide low temperature curing agent and 1~2 part of pigment；Wherein, institute
It is resin slurry to state matrix of powder material, and the powder stuffing is special hydrogen alumina powder.
Preferably, the resin slurry is acryl resin, unsaturated-resin, epoxy resin, polyester resin, phenolic aldehyde
One kind in resin, acrylic resin, polyvinyl resin, polystyrene resin, the concentration of resin slurry is 10~15%.
Preferably, the cross-linking type raw material of the difunctional or trifunctional is acrylamide, N.N hydroxy acyls
It is one or two kinds of in amine.
Preferably, the asymmetric organic peroxide low temperature curing agent is hydrogen peroxide, crossed in chloroamide
It is one or two kinds of.
Preferably, the pigment is titanium dioxide either phthalocyanine blue or phthalocyanine green, is selected according to the color of product.
Preferably, present invention additionally comprises the curing initiator for having 0.01~0.02 part, the curing initiator to be
Peroxyester.
Preferably, present invention additionally comprises the accelerator for having 0.01~0.02 part, the accelerator is cobalt naphthenate.
Second object of the present invention is achieved by the following technical programs：
A kind of coating preparation method of constitution modified composite powder body filler, comprises the following steps：
(1) matrix of powder material made from dissolving or pre-polymerization and special hydrogen alumina powder are delivered to fully mixed among mixing kettle
Close, while the color of whole material is reconciled with pigment, then difunctional or trifunctional cross-linking type raw material are added into mixing kettle
And asymmetric organic peroxide low temperature curing agent；Then pour into a mould or extrude on glass mold or steel band, in 30-
Cross-linking and curing reaction is carried out at 50 DEG C, reacts 30-90 minutes, obtains the board-like entity material for being easy to polishing broken；
(2) board-like entity material is subjected to continuous polish and is crushed to the coarse powder of 100-400 mesh, coarse powder collected standby；
(3) coarse powder is subjected to fine gtinding with ultra-fine grinding mill, obtains fineness as 2000 mesh and the fine powder of the above, fine powder is entered
Row is collected；
(4) metering packing is carried out to fine powder.
Preferably, curing initiator and accelerator have been additionally added in the step (1).
Principle：The material based on acryl resin slurry or compound resin slurry, in mixing kettle with extraordinary hydrogen-oxygen
Change aluminium powder to be sufficiently mixed, then add difunctional or three before cast cross-linking and curing reaction or extrusion cross-linking and curing reaction
Monomer carries out crosslinking curing with asymmetric peroxide and obtains highly cross-linked compound solid material.
Third object of the present invention is achieved by the following technical programs：
A kind of application of coating with constitution modified composite powder body filler in prepared by paint filler and fire proofing, specifically may be used
Application in the production of plastic-spraying pulp, waterproof coating for internal and external wall, engineering coating, antirusting paint and anti-flaming dope.
Compared with prior art, the device have the advantages that being：Due to homemade extraordinary composite granule have it is microcosmic
Vesicular texture, so there are other constitutional unexistent uniquenesses of filler when imparting constitutional as the coating filler of the powder
Performance；Such as microcosmic porous is more prone to suck coating film forming liquid body, further increases both affinity and conjugation, grand
The abrasion resistance of coating is improved in sight, generally for 3-4 times can be improved for similar coating；When the micropore in powder is whole
After formed film matter occupies solidification, then because the shielding protection effect of micropore has been correspondingly improved water resistance, the waterproof of coating again
Property, weatherability, color stability；Due to the microcosmic porous of the powder, the various auxiliary agents of very convenient absorption are carried out to coating
Long-acting performance improvement, it such as can apply to various plastic-spraying pulps, waterproof coating for internal and external wall, engineering coating, antirusting paint and apply
Among material, further, since the main body in extraordinary powder is fire-retardant special hydrogen alumina powder, so among being added to coating also
The fire resistance of coating may be improved comprehensively.
Brief description of the drawings
Fig. 1 is the microcosmic vesicular texture schematic diagram of the coating constitution modified composite powder body filler of the present invention；
Fig. 2 is the flow sheet of the coating constitution modified composite powder body filler of the embodiment of the present invention 1.
Embodiment
To allow those skilled in the art to become apparent from getting information about the present invention, below in conjunction with accompanying drawing, to the present invention
It is further described.
Special hydrogen alumina powder in the present invention is provided by middle aluminum group Henan Central Region aluminium manufacturer, and purity is more than 99%, grain
Footpath is 800 mesh.
Embodiment 1：
A kind of coating constitution modified composite powder body filler, including following component：
600-900KG 10%-15% acrylic slurry is (including 85~90% reactive diluent-methyl-prop
E pioic acid methyl ester), 1700-2200KG special hydrogen alumina powder, 10~20KG acrylamide, 2~3KG cross chloroamide and
100~200KG titanium dioxide.
Its preparation flow is as shown in Figure 1：It will dissolve or the acrylic slurry 600- that concentration is 10%-15% be made in pre-polymerization
It is 3.5M that 900KG is pumped into volume with colloid3Mixing kettle among；With the 1700- to be come by baric systerm conveying
2200KG special hydrogen alumina powder is sufficiently mixed, while the whiteness of whole material is reconciled with white Titanium dioxide slurry, then is added
Enter cross-linking type raw material (difunctional or trifunctional material) and low temperature curing agent (asymmetrical organic peroxide)；Then
Cast is extruded on glass mold or steel band, is sent in heated oven and cross-linking and curing reaction is carried out at 30-50 DEG C, most
High exothermic heat of reaction temperature approximately passes through the time of 30-90 minutes up to 130 DEG C, obtains the board-like entity material for being easy to polishing broken
Material；
Then be sent on continuous polishing line that to carry out polishing broken, and will polishing it is broken after average grain diameter 100 mesh-
The coarse dispersion of 400 mesh is sent into the homogenizing collection of pulse recovery system by vacuum system；
When pulse recovery system collection total amount reaches 6-10T (a certain amount of) at that time, the timing of startup bottom screw induction system,
Quantify and at the uniform velocity refine crushing system progress friction feeding to startup is normal, and adjust feed at random, be broken, discharging, cooling down,
The control parameter at the positions such as pulse ensures that outlet powder granule reaches 2000 mesh and thinner requirement, afterwards by satisfactory powder
It is 100-160M that body is sent to volume by middle transition storehouse, air transporting arrangement3Feed bin carry out second homogenizing and collect.
Finally in 100-160M3Feed bin homogenizing after carry out metering packing.
Embodiment 2：
A kind of coating constitution modified composite powder body filler, including following component：
600-900KG 10% unsaturated polyester resin, 1700-2200KG special hydrogen alumina powder, 10~20KG
N.N hydroxyacrylamides, 2~3KG hydrogen peroxide, 100~200KG pigment, 1~2KG cyclohexanone peroxide and 1
~2KG cobalt naphthenate.
Preparation method：It will dissolve or pre-polymerization be made the unsaturated-resin slurry 600-900KG that concentration is 10% or so and used
It is 3.5M that colloid, which is pumped into volume,3Mixing kettle among；With the 1700-2200KG special type hydrogen to be come by baric systerm conveying
Alumina powder is sufficiently mixed, while the whiteness of whole material is reconciled with white Titanium dioxide slurry, or is adjusted with other pigment
Section stops other colors, adds cross-linking type raw material (difunctional or trifunctional material) and curing initiator, accelerator；So
Pour into a mould or extruded on glass mold or steel band afterwards, be sent in heated oven and cross-linking and curing reaction is carried out at 30-50 DEG C,
Highest response exothermic temperature approximately passes through the time of 30-90 minutes up to 120 DEG C, obtains the board-like entity for being easy to polishing broken
Material；
Then be sent on continuous polishing line that to carry out polishing broken, and will polishing it is broken after average grain diameter 100 mesh-
The powder of 400 mesh is sent into the homogenizing collection of pulse recovery system by vacuum system；
When pulse recovery system collection total amount reaches 6-10T (a certain amount of) at that time, the timing of startup bottom screw induction system,
Quantify and at the uniform velocity refine crushing system progress friction feeding to startup is normal, and adjust feed at random, be broken, discharging, cooling down,
The control parameter at the positions such as pulse ensures that outlet powder granule reaches 2000 mesh and thinner requirement, afterwards by satisfactory powder
It is 100-160M that body is sent to volume by middle transition storehouse, air transporting arrangement3Feed bin carry out second homogenizing and collect.
Finally in 100-160M3Feed bin homogenizing after carry out metering packing.
In above-described embodiment, as matrix of powder material resin slurry can also be unsaturated-resin either epoxy resin or
Phenolic resin either acrylic resin or polyvinyl resin or polystyrene resin.The coating that above-described embodiment is prepared
There is the microcosmic vesicular texture shown in Fig. 2 with constitution modified composite powder body filler, additionally, due to aluminium hydroxide and resin slurry
The special loose structure formed is not soluble in water, therefore state is extremely stable；Because vesicular texture forms distinctive absorption to water
Act on, the adhesive in energy strong adsorption coating.So that it can specifically may be used in the application in prepared by paint filler and fire proofing
Application in the production of plastic-spraying pulp, waterproof coating for internal and external wall, engineering coating, antirusting paint and anti-flaming dope.Using reality
The powder stuffing of constitution modification of example 1 is applied in coating, passes through contrast, coating wearability improves 27.5%, hydrophobicity, water proofing property
42.3% is improved, weatherability improves 15%, has certain anti-flammability, and color stability improves 10%.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of coating constitution modified composite powder body filler, it is characterised in that include the component of following parts by weight：
The matrix of powder material of 6-9 parts, the powder stuffing of 17-22 parts, the cross-linking type of 0.1~0.2 part of difunctional or trifunctional
Raw material, 0.02~0.03 part of asymmetric organic peroxide low temperature curing agent and 1~2 part of pigment；Wherein, the powder
Body base-material is resin slurry, and the powder stuffing is special hydrogen alumina powder.
2. constitution modified composite powder body filler according to claim 1, it is characterised in that the resin slurry is acrylic
Resin, unsaturated-resin, epoxy resin, polyester resin, phenolic resin, acrylic resin, polyvinyl resin, polystyrene resin
In one kind, the concentration of resin slurry is 10~15%.
3. constitution modified composite powder body filler according to claim 1, it is characterised in that the difunctional or trifunctional
The cross-linking type raw material of group is acrylamide, one or two kinds of in N.N hydroxyacrylamides.
4. constitution modified composite powder body filler according to claim 1, it is characterised in that the asymmetric organic peroxidating
Species low temperature curing agent is hydrogen peroxide, crosses one or both of chloroamide.
5. constitution modified composite powder body filler according to claim 1, it is characterised in that the pigment be titanium dioxide or
Phthalocyanine blue or phthalocyanine green.
6. the constitution modified composite powder body filler according to claim any one of 1-5, it is characterised in that also include 0.01
~0.02 part of curing initiator, the curing initiator are cyclohexanone peroxide.
7. constitution modified composite powder body filler according to claim 6, it is characterised in that also include 0.01~0.02 part
Accelerator, the accelerator is cobalt naphthenate.
8. the preparation method of the constitution modified composite powder body filler according to claim any one of 1-5, it is characterised in that bag
Include following steps：
(1) matrix of powder material made from dissolving or pre-polymerization and special hydrogen alumina powder are delivered among mixing kettle and are sufficiently mixed, together
When the color of whole material is reconciled with pigment, then add into mixing kettle difunctional or trifunctional cross-linking type raw material and non-
Symmetrical organic peroxide class low temperature curing agent；Then pour into a mould or extrude on glass mold or steel band, at 30-50 DEG C
Cross-linking and curing reaction is carried out, reacts 30-90 minutes, obtains the board-like entity material for being easy to polishing broken；
(2) board-like entity material is subjected to continuous polish and is crushed to the coarse powder of 100-400 mesh, coarse powder collected standby；
(3) coarse powder is subjected to fine gtinding with ultra-fine grinding mill, obtains fineness as 2000 mesh and the fine powder of the above, fine powder is received
Collection；
(4) metering packing is carried out to fine powder.
9. the preparation method of constitution modified composite powder body filler according to claim 8, it is characterised in that the step
(1) curing initiator and accelerator have been additionally added in.
10. a kind of application of coating with constitution modified composite powder body filler in prepared by paint filler and fire proofing, specifically may be used
Application in the production of plastic-spraying pulp, waterproof coating for internal and external wall, engineering coating, antirusting paint and anti-flaming dope.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710707529.0A CN107474624A (en) | 2017-08-17 | 2017-08-17 | A kind of coating constitution modified composite powder body filler and its preparation method and application |
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| CN201710707529.0A CN107474624A (en) | 2017-08-17 | 2017-08-17 | A kind of coating constitution modified composite powder body filler and its preparation method and application |
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| CN107474624A true CN107474624A (en) | 2017-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108976922A (en) * | 2018-05-23 | 2018-12-11 | 苏州牛麦田新材料科技有限公司 | A kind of fire resistant special type coating and preparation method thereof |
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| CN108976922A (en) * | 2018-05-23 | 2018-12-11 | 苏州牛麦田新材料科技有限公司 | A kind of fire resistant special type coating and preparation method thereof |
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Application publication date: 20171215 |