CN104017427A - Thermosetting powder coating additive and preparation process thereof - Google Patents
Thermosetting powder coating additive and preparation process thereof Download PDFInfo
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- CN104017427A CN104017427A CN201410285091.8A CN201410285091A CN104017427A CN 104017427 A CN104017427 A CN 104017427A CN 201410285091 A CN201410285091 A CN 201410285091A CN 104017427 A CN104017427 A CN 104017427A
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- 238000000576 coating method Methods 0.000 title claims abstract description 58
- 239000011248 coating agent Substances 0.000 title claims abstract description 56
- 239000000843 powder Substances 0.000 title claims abstract description 48
- 229920001187 thermosetting polymer Polymers 0.000 title claims abstract description 23
- 239000000654 additive Substances 0.000 title abstract description 7
- 230000000996 additive effect Effects 0.000 title abstract description 7
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000203 mixture Substances 0.000 claims description 85
- 239000003795 chemical substances by application Substances 0.000 claims description 30
- 239000012752 auxiliary agent Substances 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 20
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 15
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 239000000080 wetting agent Substances 0.000 claims description 14
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 claims description 13
- 239000004359 castor oil Substances 0.000 claims description 13
- 235000019438 castor oil Nutrition 0.000 claims description 13
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 13
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 13
- 239000006185 dispersion Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 230000000274 adsorptive effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 238000009835 boiling Methods 0.000 abstract description 4
- 239000006227 byproduct Substances 0.000 abstract description 4
- 239000000049 pigment Substances 0.000 abstract description 4
- 239000000945 filler Substances 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000008030 elimination Effects 0.000 description 4
- 238000003379 elimination reaction Methods 0.000 description 4
- -1 hexichol alcohol ketone Chemical class 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 241000723346 Cinnamomum camphora Species 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 2
- 229960000846 camphor Drugs 0.000 description 2
- 229930008380 camphor Natural products 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 239000001327 prunus amygdalus amara l. extract Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 235000003441 saturated fatty acids Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Substances CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a thermosetting powder coating additive and a preparation process thereof, belongs to the technical field of coatings, and aims to provide an additive with functions of promoting wetness to eliminate shrinkage cavities of a coating film so as to obtain the smooth, bright and plump coating film, and eliminating pinholes caused by by-products with low boiling points or water absorbed in pigment fillers during the coating curing so as to improve the toughness of the coating film and enhance the hardness of the surface of the coating film. The additive is generally suitable for thermosetting powder coatings (a plane high-gloss type, a semigloss type or a non-gloss type). In addition, the invention further discloses a preparation process of the thermosetting powder coating additive.
Description
Technical field
The present invention relates to the technique of a kind of thermosetting powder coating(s) auxiliary agent and this auxiliary agent of preparation.
Background technology
Powder coating is a kind of novel not containing solvent 100% solid powdery coating.There is solvent-free, pollution-free, recyclable, environmental protection, the saving energy and resource, physical strength high reduces labor intensity and films.
Thermosetting powder coating(s) is a kind of in powder coating, in prior art, in the Chinese invention patent prospectus that is 201310749823 in the patent No., disclose a kind of thermosetting powder coating(s), it comprises following raw material, described raw material by weight percentage: vibrin: 60-80 ﹪; Solidifying agent: 4-6 ﹪; Flow agent: 0.8-1.2%; Wetting agent: 0.8-1.5 ﹪; Defoamer: 0.8-1.5%; Ultraviolet absorbers: 1-6%; Tetrafluoro wax: 0.8-1.5%; Titanium dioxide: 2-12%; Mica powder: 2-8%; Barium sulfate: 4-11%; Mineral dye: 0.4-2%; Metallic pigment: 2-8 ﹪.The features such as it is smooth that the thermosetting powder coating(s) of this invention has scumbling, and hardness is high, the excellence surface of scratch resistant.Wherein, solidifying agent, flow agent and mica powder all belong to auxiliary agent.
But; thermosetting powder coating(s) in above-mentioned patent; in the process of smearing; often can film shrinkage cavity, the unfairness of filming, not bright and clean phenomenon; when paint solidification, can in some low-boiling by-products or color stuffing, adsorb the pin-hole phenomena that moisture content causes, the toughness of filming of the coating in above-mentioned patent, surface hardness are not high in addition.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of thermosetting powder coating(s) auxiliary agent for the above-mentioned state of the art, this auxiliary agent can promote moistening elimination film shrinkage cavity, impel film form smooth bright and clean full, in some low-boiling by-products or color stuffing, adsorb the caused pin hole of moisture content while eliminating paint solidification, can improve the function that is coated with film toughness, increases film coated surface hardness.
For achieving the above object, the invention provides following technical scheme:
A kind of thermosetting powder coating(s) auxiliary agent, include the first pre-composition and the second pre-composition, wherein, described the first pre-composition includes the liquid flow agent of 12 parts and the aerosil of 8 parts, and described the second pre-composition includes the st-yrax of 12 parts, 701 wetting agents of 12 parts, the hydrogenated castor oil of 20 parts, the ethylene bis stearamide of 6 parts, the tetrafluoroethylene wax of 4 parts and the butyral of 6 parts.
Here, the effect of each component is as follows:
In the first pre-composition, aerosil is one of ultra tiny New Inorganic Materials of extremely important high-tech, because its particle diameter is very little, therefore specific surface area is large, surface adsorption power is strong, surface can be large, and the aspects such as chemical purity is high, dispersing property good, thermal resistance, resistance have special performance, with its superior stability, reinforcement, thickening property and thixotropy.This auxiliary agent is to utilize the function that its specific surface area is large, surface adsorption power is strong, dispersing property is good with aerosil, and absorption 403 liquid flow agents disperse, and is convenient to powder coating and produces, the bright and clean effect of performance powder coating smooth coating;
403 liquid flow agents be take esters of acrylic acid as main raw material, and under certain temperature catalyst action, polymerization is synthesized, and polymer type is multipolymer; 403 liquid flow agents are colourless or light yellow thick liquid, are the effective constituents that mainly contains of all kinds of solid flow agents, and it can reduce coatingsurface tension force in powder coating, reach homogenizing and the levelling of coatingsurface, and can improve the ageing-resistant of coating.
In the second pre-composition, st-yrax is that bitter almond oil camphor claims again hexichol alcohol ketone, is a kind of organic compound, froth breaking effect effectively in powder coating (elimination pin hole).
701 wetting agents are acrylate butyl ester and methylmethacrylate copolymer, because it contains some amount polarity gene, therefore the polarity additive in powder coating (as pigment, filler) and substrate to be coated (as metals such as iron, aluminium) are had to good wetting action, thereby in the manufacture and construction process of powder coating, effectively eliminate shrinkage cavity, promote levelling.
Hydrogenated castor oil is chain saturated fatty acids compounds, and in powder coating, energy regulation system viscosity and surface tension, improve pigment-dispersing, also has the effect of auxiliary levelling simultaneously.
Ethylene bis stearamide is surface-modifying agent, and powder coating is produced and added ethylene bis stearamide can obviously improve the freedom from jamming of powder coating, reduces system viscosity, and the plate surface current improving after film forming is flat, reduces the pin hole of filming, and improves plate face gloss.
Tetrafluoroethylene wax, because the hardness of wax component is high, resistance to marring and wear resistance are good, and particle diameter is little, and the smooth degree of feel is excellent, and Gloss Retention is good.
Add butyral improve powder coating film counter-bending, have levelling toughening effect, reduce a little storing temperatures simultaneously, planeness, smooth finish increase, and make above-mentioned thermosetting powder coating(s) have high hard tough and tensile performance.
Second technical problem that the present invention will solve is to provide a kind of technique of preparing above-mentioned thermosetting powder coating(s) auxiliary agent.
For achieving the above object, the invention provides following technical scheme:
Prepare a method for thermosetting powder coating(s) auxiliary agent as claimed in claim 1, comprise the steps:
1), in high speed dispersion mixing and blending machine, add 8 parts of aerosils;
2) start stirring rake, then beam enters the liquid flow agent of 12 parts at leisure, approximately stirs 10 minutes, makes the thorough adsorptive liquid flow agent of above-mentioned aerosil and is uniformly dispersed, and obtains the first pre-composition;
3) add the second pre-composition to stir homogenizing 5 minutes, the first pre-composition and the second pre-composition are stirred completely;
4) shut down blowing, the mixture of the first pre-composition and the second pre-composition stirring formation is put into oven for drying;
5) by the mixture of drying again through micro mist pulverizing mill abrasive dust;
6) by the auxiliary agent packing making after abrasive dust.
Wherein, in described step 3), add the operation of the second pre-composition to comprise the steps:
Step 1, toward the st-yrax that adds 12 parts in the first pre-composition;
Step 2, toward 701 wetting agents that add 12 parts in the first pre-composition;
Step 3, toward the hydrogenated castor oil that adds 20 parts in the first pre-composition;
Step 4, toward the ethylene bis stearamide that adds 6 parts in the first pre-composition;
Step 5, toward the tetrafluoroethylene wax that adds 4 parts in the first pre-composition;
Step 6, toward the butyral that adds 6 parts in the first pre-composition.
Or in described step 3), the operation that adds the second pre-composition is to comprise the steps:
One, in being arranged on another other pony mixer of aforementioned high speed dispersion mixing and blending machine, add the st-yrax of 12 parts;
Two, 701 wetting agents that add 12 parts in pony mixer;
Three, the hydrogenated castor oil that adds 20 parts in pony mixer;
Four, the ethylene bis stearamide that adds 6 parts in pony mixer;
Five, the tetrafluoroethylene wax that adds 4 parts in pony mixer;
Six, in pony mixer, add the butyral of 6 parts to make thus the second pre-composition;
Seven, above-mentioned the second pre-composition of making being joined to the first pre-composition that is arranged in high speed dispersion mixing and blending machine stirs.
The auxiliary agent making by above-mentioned technique, in the time of in being added into (plane Gao Guang, sub-light, unglazed type) thermosetting powder coating(s), can promote moistening elimination film shrinkage cavity, impel film form smooth bright and clean full, in some low-boiling by-products or color stuffing, adsorb the caused pin hole of moisture content while eliminating paint solidification, can improve the function that is coated with film toughness, increases film coated surface hardness.
Embodiment
Embodiment mono-:
The present embodiment is a kind of thermosetting powder coating(s) auxiliary agent, include the first pre-composition and the second pre-composition, wherein, described the first pre-composition includes the liquid flow agent of 12 parts and the aerosil of 8 parts, and described the second pre-composition includes the st-yrax of 12 parts, 701 wetting agents of 12 parts, the hydrogenated castor oil of 20 parts, the ethylene bis stearamide of 6 parts, the tetrafluoroethylene wax of 4 parts and the butyral of 6 parts.
Concrete, the formula of this auxiliary agent is as follows,
One, auxiliary formula:
403 liquid flow agents 12
Aerosil 8
St-yrax 12
701 wetting agents 12
Hydrogenated castor oil 20
Ethylene bis stearamide 6
Tetrafluoroethylene wax 4
Butyral 6
Add up to 100 parts
Note: 403 liquid flow agents are fluorine flow agents that a kind of YouSMC company produces, main component is the poly-propionic acid ketone copolymers of fluorine modification, is from the appearance a kind of colourless transparent liquid, solvability is oiliness.
Auxiliary agent is synthetic to be manufactured:
In high speed dispersion mixing and blending machine; first add aerosil; start stirring rake, then beam enters 403 liquid flow agents at leisure, approximately stirs 10 minutes; make aerosil thoroughly adsorb 403 liquid flow agents and be uniformly dispersed; add again st-yrax, 701 wetting agents, hydrogenated castor oil, ethylene bis stearamide, tetrafluoroethylene wax, butyral to stir homogenizing 5 minutes, allow them stir completely, shut down; blowing, packing (auxiliary agent finished product).
Promoter material is analyzed and effect:
Aerosil is one of ultra tiny New Inorganic Materials of extremely important high-tech, because its particle diameter is very little, therefore specific surface area is large, surface adsorption power is strong, surface can be large, the aspects such as chemical purity is high, dispersing property good, thermal resistance, resistance have special performance, with its superior stability, reinforcement, thickening property and thixotropy.This auxiliary agent is to utilize the function that its specific surface area is large, surface adsorption power is strong, dispersing property is good with aerosil, and absorption 403 liquid flow agents disperse, and is convenient to powder coating and produces, the bright and clean effect of performance powder coating smooth coating;
403 liquid flow agents be take esters of acrylic acid as main raw material, and under certain temperature catalyst action, polymerization is synthesized, and polymer type is multipolymer; 403 liquid flow agents are colourless or light yellow thick liquid, are the effective constituents that mainly contains of all kinds of solid flow agents, and it can reduce coatingsurface tension force in powder coating, reach homogenizing and the levelling of coatingsurface, and can improve the ageing-resistant of coating.
St-yrax is that bitter almond oil camphor claims again hexichol alcohol ketone, is a kind of organic compound, froth breaking effect effectively in powder coating (elimination pin hole).
701 wetting agents are acrylate butyl ester and methylmethacrylate copolymer, because it contains some amount polarity gene, therefore the polarity additive in powder coating (as pigment, filler) and substrate to be coated (as metals such as iron, aluminium) are had to good wetting action, thereby in the manufacture and construction process of powder coating, effectively eliminate shrinkage cavity, promote levelling.
Hydrogenated castor oil is chain saturated fatty acids compounds, and in powder coating, energy regulation system viscosity and surface tension, improve pigment-dispersing, also has the effect of auxiliary levelling simultaneously.
Ethylene bis stearamide is surface-modifying agent, and powder coating is produced and added ethylene bis stearamide can obviously improve the freedom from jamming of powder coating, reduces system viscosity, and the plate surface current improving after film forming is flat, reduces the pin hole of filming, and improves plate face gloss.
Tetrafluoroethylene wax, because the hardness of wax component is high, resistance to marring and wear resistance are good, and particle diameter is little, and the smooth degree of feel is excellent, and Gloss Retention is good.
Add butyral improve powder coating film counter-bending, have levelling toughening effect, reduce a little storing temperatures simultaneously, planeness, smooth finish increase, and make powder coating have high hard tough and tensile performance.
In embodiment mono-, prepare the method for described thermosetting powder coating(s) auxiliary agent, comprise the steps:
1), in high speed dispersion mixing and blending machine, add 8 parts of aerosils;
2) start stirring rake, then beam enters the liquid flow agent of 12 parts at leisure, approximately stirs 10 minutes, makes the thorough adsorptive liquid flow agent of above-mentioned aerosil and is uniformly dispersed, and obtains the first pre-composition;
3) add the second pre-composition to stir homogenizing 5 minutes, the first pre-composition and the second pre-composition are stirred completely;
4) shut down blowing, the mixture of the first pre-composition and the second pre-composition stirring formation is put into oven for drying;
5) by the mixture of drying again through micro mist pulverizing mill abrasive dust;
6) by the auxiliary agent packing making after abrasive dust.
Wherein, in described step 3), add the operation of the second pre-composition to comprise the steps:
Step 1, toward the st-yrax that adds 12 parts in the first pre-composition;
Step 2, toward 701 wetting agents that add 12 parts in the first pre-composition;
Step 3, toward the hydrogenated castor oil that adds 20 parts in the first pre-composition;
Step 4, toward the ethylene bis stearamide that adds 6 parts in the first pre-composition;
Step 5, toward the tetrafluoroethylene wax that adds 4 parts in the first pre-composition;
Step 6, toward the butyral that adds 6 parts in the first pre-composition.
Embodiment bis-:
In the present embodiment, prepare the method for aforesaid thermosetting powder coating(s) auxiliary agent, comprise the steps:
1), in high speed dispersion mixing and blending machine, add 8 parts of aerosils;
2) start stirring rake, then beam enters the liquid flow agent of 12 parts at leisure, approximately stirs 10 minutes, makes the thorough adsorptive liquid flow agent of above-mentioned aerosil and is uniformly dispersed, and obtains the first pre-composition;
3) add the second pre-composition to stir homogenizing 5 minutes, the first pre-composition and the second pre-composition are stirred completely;
4) shut down blowing, the mixture of the first pre-composition and the second pre-composition stirring formation is put into oven for drying;
5) by the mixture of drying again through micro mist pulverizing mill abrasive dust;
6) by the auxiliary agent packing making after abrasive dust.
Wherein, in described step 3), the operation that adds the second pre-composition is to comprise the steps:
Enter the st-yrax of 12 parts;
Two, 701 wetting agents that add 12 parts in pony mixer;
Three, the hydrogenated castor oil that adds 20 parts in pony mixer;
Four, the ethylene bis stearamide that adds 6 parts in pony mixer;
Five, the tetrafluoroethylene wax that adds 4 parts in pony mixer;
Six, in pony mixer, add the butyral of 6 parts to make thus the second pre-composition;
Seven, above-mentioned the second pre-composition of making being joined to the first pre-composition that is arranged in high speed dispersion mixing and blending machine stirs.
Embodiment mono-compares with enforcement two, the preparation technology that difference is both is different in the process that the first pre-composition and the second pre-composition are mixed, embodiment mono-adds each component of the second pre-composition in turn in the first pre-composition and stirs, convenient adjustment.And embodiment bis-is stirrings of carrying out the first pre-composition and the second pre-composition simultaneously, has improved working efficiency, but also increased cost simultaneously.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is also not only confined to above-described embodiment, and all technical schemes belonging under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. a thermosetting powder coating(s) auxiliary agent, include the first pre-composition and the second pre-composition, wherein, described the first pre-composition includes the liquid flow agent of 12 parts and the aerosil of 8 parts, and described the second pre-composition includes the st-yrax of 12 parts, 701 wetting agents of 12 parts, the hydrogenated castor oil of 20 parts, the ethylene bis stearamide of 6 parts, the tetrafluoroethylene wax of 4 parts and the butyral of 6 parts.
2. prepare a method for thermosetting powder coating(s) auxiliary agent as claimed in claim 1, comprise the steps:
1), in high speed dispersion mixing and blending machine, add 8 parts of aerosils;
2) start stirring rake, then beam enters the liquid flow agent of 12 parts at leisure, approximately stirs 10 minutes, makes the thorough adsorptive liquid flow agent of above-mentioned aerosil and is uniformly dispersed, and obtains the first pre-composition;
3) add the second pre-composition to stir homogenizing 5 minutes, the first pre-composition and the second pre-composition are stirred completely;
4) shut down blowing, the mixture of the first pre-composition and the second pre-composition stirring formation is put into oven for drying;
5) by the mixture of drying again through micro mist pulverizing mill abrasive dust;
6) by the auxiliary agent packing making after abrasive dust.
3. the method for preparing thermosetting powder coating(s) auxiliary agent according to claim 2, wherein, in described step 3), adds the operation of the second pre-composition to comprise the steps:
Step 1, toward the st-yrax that adds 12 parts in the first pre-composition;
Step 2, toward 701 wetting agents that add 12 parts in the first pre-composition;
Step 3, toward the hydrogenated castor oil that adds 20 parts in the first pre-composition;
Step 4, toward the ethylene bis stearamide that adds 6 parts in the first pre-composition;
Step 5, toward the tetrafluoroethylene wax that adds 4 parts in the first pre-composition;
Step 6, toward the butyral that adds 6 parts in the first pre-composition.
4. the method for preparing thermosetting powder coating(s) auxiliary agent according to claim 2, wherein, in described step 3), adds the operation of the second pre-composition to comprise the steps:
One, in being arranged on another other pony mixer of aforementioned high speed dispersion mixing and blending machine, add the st-yrax of 12 parts;
Two, 701 wetting agents that add 12 parts in pony mixer;
Three, the hydrogenated castor oil that adds 20 parts in pony mixer;
Four, the ethylene bis stearamide that adds 6 parts in pony mixer;
Five, the tetrafluoroethylene wax that adds 4 parts in pony mixer;
Six, in pony mixer, add the butyral of 6 parts to make thus the second pre-composition;
Seven, above-mentioned the second pre-composition of making being joined to the first pre-composition that is arranged in high speed dispersion mixing and blending machine stirs.
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| CN201410285091.8A CN104017427B (en) | 2014-06-24 | 2014-06-24 | Thermosetting powder coating additive and preparation process thereof |
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| CN201410285091.8A CN104017427B (en) | 2014-06-24 | 2014-06-24 | Thermosetting powder coating additive and preparation process thereof |
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| CN104017427B CN104017427B (en) | 2015-05-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106280633A (en) * | 2016-08-31 | 2017-01-04 | 玉石塑粉有限公司 | A kind of thermosetting powder coating auxiliary agent and use the powdery paints of this auxiliary agent |
| CN107083099A (en) * | 2017-04-25 | 2017-08-22 | 九江市杰克西涂料有限公司 | A kind of powdery paints flowing anti-caking auxiliary agent and preparation method thereof |
| CN107099184A (en) * | 2017-03-24 | 2017-08-29 | 九江市杰克西涂料有限公司 | A kind of powdery paints solid levelling agent and preparation method thereof |
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| CN107099184A (en) * | 2017-03-24 | 2017-08-29 | 九江市杰克西涂料有限公司 | A kind of powdery paints solid levelling agent and preparation method thereof |
| CN107083099A (en) * | 2017-04-25 | 2017-08-22 | 九江市杰克西涂料有限公司 | A kind of powdery paints flowing anti-caking auxiliary agent and preparation method thereof |
| CN107474622A (en) * | 2017-07-18 | 2017-12-15 | 上海祯欧新材料有限公司 | A kind of high transparency levelling agent and preparation method thereof |
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|---|---|
| CN104017427B (en) | 2015-05-27 |
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