CN104530922A - Powder coating capable of eliminating static electricity - Google Patents
Powder coating capable of eliminating static electricity Download PDFInfo
- Publication number
- CN104530922A CN104530922A CN201410853637.5A CN201410853637A CN104530922A CN 104530922 A CN104530922 A CN 104530922A CN 201410853637 A CN201410853637 A CN 201410853637A CN 104530922 A CN104530922 A CN 104530922A
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- CN
- China
- Prior art keywords
- powder coating
- electrostatic
- static inhibitor
- powder
- epoxy resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- C09D5/032—Powdery paints characterised by a special effect of the produced film, e.g. wrinkle, pearlescence, matt finish
-
- 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
- C09D5/24—Electrically-conducting 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)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a powder coating capable of eliminating static electricity. The powder coating is formed by the way that 45-57wt% of epoxy resin, 2-5wt% of epoxy hardener, 1-5wt% of addition agent, 30-40wt% of conductive barium sulfate and 7-8wt% of conductive pigments are premixed, extruded, smashed and sieved and then 1.5% of non-leafing aluminum powder is additionally mixed. The addition agent is the mixture of an antistatic agent and a toughening agent. The powder coating does not contain toxigen materials and is suitable for the surfaces of various steel components treated in a pre-treatment mode, the static electricity eliminating performance of the coating is good, the effect is improved by 20% compared with an existing product, the product cost is low, the cost performance is high, and economic and social benefits are obvious.
Description
Technical field
The present invention relates to chemical powder paint field, particularly relate to a kind of powder coating eliminating electrostatic.
Background technology
Electrostatic powder coating can be eliminated and refer to the powder coating being sprayed at and ground having certain conduction current and dissipation electric charge function after film forming, can be used for eliminating electrostatic, electromagnetic shielding, electrically heated and protection against corrosion.Have been widely used at field tools such as building, transport, military affairs, hyundai electronicses.This powder filmogen itself is without electroconductibility, it is main filmogen with insulating polymer, mix electro-conductive material wherein and form coating, its electroconductibility realizes by the electrically conductive particles mixed, electrically conductive particles provides unbound electron current carrier, the electro-conductive material mixed comprises metal-powder, non-metal powder and metal oxide, is admixed in polymkeric substance by these materials, and polymkeric substance can be made to become semi-conductor.The common existing powder coating eliminating electrostatic, filmogen broad categories, the shape kind of conductive filler material all can affect the conductivity of powder, and the proportioning of filler, production technique, condition of cure are grasped the bad electroconductibility of powder that also can make and had a greatly reduced quality.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of powder coating eliminating electrostatic, this powder coating is not containing toxogen material, be applicable to the steel and iron member surface of various pretreatment mode process, it is good that coating eliminates antistatic property, and improve about 20% than currently available products effect, product cost is low, cost performance is high, and economic and social benefit is remarkable.
For this reason, technical scheme of the present invention is as follows:
Eliminate a powder coating for electrostatic, comprise following material:
Wherein, described epoxy resin is E12 type epoxy resin, and described epoxy hardener is Dyhard RU 100, and described auxiliary agent is the mixture of static inhibitor and toughner.
Preferably, the mass ratio of described static inhibitor and toughner is 1:1 ~ 3.
Preferably, described static inhibitor is surfactant-based static inhibitor.
Preferably, described toughner is hydrogenated castor oil.
Preferably, described conducting pigment is electrically conductive graphite or graphitized carbon black.
This powder coating preparation technology that can eliminate electrostatic is simple, by take according to filling a prescription epoxy resin, epoxy hardener, auxiliary agent, conduction barium sulfate and conducting pigment pre-mixing 4 ~ 6 minutes, extrude in flakes at 90 ~ 105 DEG C of forcing machines, finally pulverize and sieve the non-floating type aluminium powder of rear outer mixed 1.5wt%, namely obtain the powder coating can eliminating electrostatic.
The present invention selects suitable electro-conductive material, obtain a kind ofly eliminating the good powder coating of electrostatic efficiency after being aided with the mixing of corresponding formula, this powder coating is not containing toxogen material, be applicable to the steel and iron member surface of various pretreatment mode process, it is good that coating eliminates antistatic property, improve about 20% than currently available products effect, also there is environmental protection, the advantage that with low cost, cost performance is high.
Embodiment
Below in conjunction with embodiment, technical scheme of the present invention is described.
In the examples below, described epoxy resin is the E12 type epoxy resin that Balin Branch Corp. SINOPEC produces; The static inhibitor that embodiment 1,2 is selected is the KT600 static inhibitor that Hefei Ke Tai Chemical Co., Ltd. produces, and the static inhibitor that embodiment 3 ~ 5 is selected is the SA603 static inhibitor that the prompt sensible Chemical Co., Ltd. of six peaces produces; Described non-floating type aluminium powder is that Guangzhou visitor faces and steps on aluminium producing.
Embodiment 1
A kind of powder coating eliminating electrostatic, by 600g epoxy resin, 24g Dyhard RU 100,5g static inhibitor, 12g hydrogenated castor oil, 80g electrically conductive graphite and 380g conduct electricity barium sulfate premix, extrude, shatter, sieve, outer mixed account for above-mentioned all substances quality and 1.8% non-floating type aluminium powder make.
The resistivity value 10 of the powder coating of the electrostatic eliminated that the present embodiment obtains
6--10
9Ω.
Embodiment 2
A kind of powder coating eliminating electrostatic, by 600g epoxy resin, 24g Dyhard RU 100,10g static inhibitor, 12g hydrogenated castor oil, 80g electrically conductive graphite and 400g conduct electricity barium sulfate premix, extrude, shatter, sieve, outer mixed account for above-mentioned all substances quality and 1.7% non-floating type aluminium powder make.
The value 10 of the resistivity of the powder coating of the electrostatic eliminated that the present embodiment obtains
6--10
9Ω.
Embodiment 3
A kind of powder coating eliminating electrostatic, by 470g epoxy resin, 19g Dyhard RU 100,10g static inhibitor, 15g hydrogenated castor oil, 395g conduct electricity barium sulfate and 80g graphitized carbon black premix, extrude, shatter, sieve, outer mixed account for above-mentioned all substances quality and 1.5% non-floating type aluminium powder make.
The value 10 of the resistivity of the powder coating of the electrostatic eliminated that the present embodiment obtains
6--10
9Ω.
Embodiment 4
A kind of powder coating eliminating electrostatic, by 520g epoxy resin, 21g Dyhard RU 100,20g static inhibitor, 25g hydrogenated castor oil, 322g conduct electricity barium sulfate and 73g graphitized carbon black premix, extrude, shatter, sieve, outer mixed account for above-mentioned all substances quality and 1.5% non-floating type aluminium powder make.
The value 10 of the resistivity of the powder coating of the electrostatic eliminated that the present embodiment obtains
6--10
9Ω.
Embodiment 5
A kind of powder coating eliminating electrostatic, by 490g epoxy resin, 20g Dyhard RU 100,17g static inhibitor, 32g hydrogenated castor oil, 345g conduct electricity barium sulfate and 76g electrically conductive graphite premix, extrude, shatter, sieve, outer mixed account for above-mentioned all substances quality and 1.5% non-floating type aluminium powder make.
The value 10 of the resistivity of the powder coating of the electrostatic eliminated that the present embodiment obtains
6--10
9Ω.
Comparative example 1
A kind of powder coating, is mixed by 600g epoxy resin, 24g Dyhard RU 100,8g static inhibitor, 12g Viscotrol C, 80g electrically conductive graphite, 160g conduction barium sulfate and 200g barium sulfate.
Comparative example 2
A kind of powder coating, 308 type static inhibitor, 12g Viscotrol C, 80g electrically conductive graphite, 200g conduction barium sulfate and 160g barium sulfate that the micronization curing agent dicyandiamide that the E12 type epoxy resin produced by 600g Balin Branch Corp. SINOPEC, 24g Shanghai Mo Man Chemical Co., Ltd. produce, 8g ring figured woven silk material chemical industry (Hong Kong) company limited produce mix.
Compared with embodiment 1 ~ 5, the conductivity that above two comparative examples obtain powder coating is poor, thus it is not good to cause it to eliminate electrostatic efficiency, and change in resistance is unstable.
Claims (5)
1. can eliminate a powder coating for electrostatic, it is characterized in that, comprise following component:
Wherein, described epoxy resin is E12 type epoxy resin, and described epoxy hardener is Dyhard RU 100, and described auxiliary agent is the mixture of static inhibitor and toughner.
2. can eliminate the powder coating of electrostatic as claimed in claim 1, it is characterized in that, the mass ratio of described static inhibitor and toughner is 1:1 ~ 3.
3. can eliminate the powder coating of electrostatic as claimed in claim 1, it is characterized in that, described static inhibitor is surfactant-based static inhibitor.
4. can eliminate the powder coating of electrostatic as claimed in claim 1, it is characterized in that, described toughner is hydrogenated castor oil.
5. can eliminate the powder coating of electrostatic as claimed in claim 1, it is characterized in that, described conducting pigment is electrically conductive graphite or graphitized carbon black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853637.5A CN104530922A (en) | 2014-12-31 | 2014-12-31 | Powder coating capable of eliminating static electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853637.5A CN104530922A (en) | 2014-12-31 | 2014-12-31 | Powder coating capable of eliminating static electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104530922A true CN104530922A (en) | 2015-04-22 |
Family
ID=52846565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410853637.5A Pending CN104530922A (en) | 2014-12-31 | 2014-12-31 | Powder coating capable of eliminating static electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104530922A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196647A (en) * | 2015-10-14 | 2015-12-30 | 文雪烽 | Interface material used for eliminating surface static electricity |
| CN107513334A (en) * | 2017-09-20 | 2017-12-26 | 江南载福粉末涂料（张家港）有限公司 | A kind of low-temperature setting insulating epoxy powder coating |
-
2014
- 2014-12-31 CN CN201410853637.5A patent/CN104530922A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196647A (en) * | 2015-10-14 | 2015-12-30 | 文雪烽 | Interface material used for eliminating surface static electricity |
| CN107513334A (en) * | 2017-09-20 | 2017-12-26 | 江南载福粉末涂料（张家港）有限公司 | A kind of low-temperature setting insulating epoxy powder coating |
| CN107513334B (en) * | 2017-09-20 | 2020-03-27 | 江南载福粉末涂料（张家港）有限公司 | Low-temperature curing insulating epoxy powder coating |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150422 |