CN101508866A - Conductive powder paint - Google Patents
Conductive powder paint Download PDFInfo
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- CN101508866A CN101508866A CNA200910116407XA CN200910116407A CN101508866A CN 101508866 A CN101508866 A CN 101508866A CN A200910116407X A CNA200910116407X A CN A200910116407XA CN 200910116407 A CN200910116407 A CN 200910116407A CN 101508866 A CN101508866 A CN 101508866A
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Abstract
The invention discloses a conductive powder coating, comprising the following materials based on the parts by weight: 50-95 parts of binder, 0-45 parts of filler, 1-50 parts of conductive additive, 0-10 parts of tinting pigment, 0-5 parts of additive and 0-45 parts of toughening additive. The binder is gross amount of resin and corresponding firming agent; the resin can be vibrin, epoxy, (methyl) acrylics and urethane resin; and the firming agent for cross linking reacting with the resin can be bifunctional monofunctional and/or polyfunctional oxide, carboxylic acid, dicyandiamide, phenolic resin and amino resin. Compared with the prior art, the invention improves mechanical indexs such as the adhesive attraction, the flatting resistance property, and the like of the coating to steel pipes and enhances anticorrosion property of steel pipes.
Description
Technical field
The invention belongs to powder coating, belong to the conduction, the anti-corrosive powder paint that are used for composite steel tube especially.
Background technology
The coating composite steel tube has been widely used in each field medium transport of national economy, and delivery medium adopts plastics tubing or polyethylene coating composite steel tube under the coal mine at present.There are defectives such as intensity is low, work-ing life short, connection is unreliable in plastics tubing.Defectives such as there is the polyethylene coating poor adhesive force in the polyethylene coating composite steel tube, hardness is low, compactness is poor, construction temperature height.
Summary of the invention
Technical problem to be solved by this invention is to improve the good conductive powder paint of a kind of sticking power.
The technical scheme of technical solution problem of the present invention is: a kind of conductive powder paint comprises following material and weight part:
Binding material 50-95
Filler 0-45
Conductive auxiliary agent 1-50
Tinting pigment 0-10
Auxiliary agent 0-5
Toughening auxiliary agent 0-45.
Described binding material is the total amount of resin and corresponding solidifying agent, and resin can be vibrin, Resins, epoxy, (methyl) acrylic resin, urethane resin; The solidifying agent that is used for carrying out crosslinking reaction with resin can be two-and/or multi-group ring oxide, carboxylic acid, Dyhard RU 100, resol and aminoresin.
Preferred caking agent is Resins, epoxy/Dyhard RU 100 class or phenols curing agent/curing catalyst.
Described filler can be lime carbonate, barium sulfate, kaolin, wollastonite, mica powder.Preferably fill out
Material is needle-like, sheet wollastonite, mica powder.
Described conductive auxiliary agent can be conductive carbon black, electrically conductive graphite, conductive metallic fiber, conductive polymer material or light mineral dye.
Described conductive polymer material is polyaniline, polypyrrole, Polythiophene and derivative thereof.
The mineral filler of described electroconductibility light-colored conductive for example is the pigment of the barium sulfate of metal oxide, nonmetal oxide, band conductive coating or potassium titanate, doping stannic oxide, doping zinc-oxide.
Described tinting pigment can be common pigment dyestuff, mineral dye, metallic pigment, the pearly pigment that adopts of thermosetting powder coating(s).
Described auxiliary agent is flow agent, air release agent.
Described flow agent is polyacrylic ester, the polyether compound of silicon-dioxide absorption.
Described air release agent is bitter almond oil camphor, polyethylene wax, polyamide wax.
Preferred air release agent is a bitter almond oil camphor.
Described toughening auxiliary agent is the Resins, epoxy of polyvinyl butyral acetal, polyethylene wax, Poly Propylene Wax, vinylformic acid core-shell polymer, powdered rubber or powdered rubber modification.
Preferred toughner is polyvinyl butyral acetal.
The present invention has compared with prior art improved coating to mechanical indexs such as the sticking power of steel pipe and anti-collapse performances, and simultaneously, the antiseptic property of steel pipe also is improved.
Embodiment
Below in conjunction with embodiment the present invention is done detailed explanation.
Preparation method of the present invention is conventional powder coating preparation method.
Resistivity measurement method of the present invention is with reference to the former coal standard MT181-1988 of the Department of Industry " underground mine use plastics tubing safety performance inspection specification ".
Mechanical property of the present invention and antiseptic property testing method are with reference to chemical industry standard HG/T2006-2006 " thermosetting powder coating(s) " and the CJ/T120-2008 of the Ministry of Construction " feedwater plastic coated composite steel pipe ".
Described Resins, epoxy KD-214C is produced by national capital chemical industry company limited, and it is a kind of common 4 type Resins, epoxy, and epoxy equivalent (weight) EEW is 875-975g/eq, and softening temperature is 95-105 ℃; Described Resins, epoxy Epikote1007 is produced by Hexion company, and it is a kind of epoxy of macromolecule, and epoxy equivalent (weight) EEW is 1500-2000g/eq;
Described Dyhard RU 100 class solidifying agent Casamid710 is produced by Thomas Swan company, and softening temperature is 139-143 ℃; Phenols curing agent Amanda969A is produced by grand celebration celebrating Shandong Fine Chemical Co., Ltd, and hydroxyl value is 0.56-0.58eq/100g, softening temperature 76-82 ℃; Described curing catalyst is pharmaceutical glyoxal ethyline.
Described filler barium sulfate WH-44HB is that Guizhou Hua Jia company produces, and is the product after a kind of natural barite powder is pulverized.Described filler also can be wollastonite powder.
Described conductive auxiliary agent BP-2000 is a kind of conductive carbon black for Carbot company produces.
Described pigment BP-120 is Carbot production, is a kind of high-carbon black pigment.
Described flow agent Resiflow P67 is a kind of polyacrylic compounds of silicon-dioxide absorption for Estron company produces.
Described air release agent bitter almond oil camphor is that South Sea medicine company produces.
Described toughening auxiliary agent polyvinyl butyral acetal is produced for Clariant company.
The proportioning raw materials of following powder coating is weight percentage:
Embodiment 1:
| KD-214C | 53.0 |
| Amanda969A | 13.0 |
| Resiflow?P67 | 1.0 |
| Barium sulfate | 25.0 |
| BP-2000 | 6.0 |
| BP-120 | 1.0 |
| Bitter almond oil camphor | 0.5 |
| Glyoxal ethyline | 0.5 |
Embodiment 2:
| KD-214C | 63.0 |
| Casamid710 | 3.0 |
| Resiflow?P67 | 1.0 |
| Barium sulfate | 25.0 |
| BP-2000 | 6.0 |
| BP-120 | 1.0 |
| Bitter almond oil camphor | 0.5 |
| Glyoxal ethyline | 0.5 |
Embodiment 3:
| KD-214C | 53.0 |
| Amanda969A | 13.0 |
| Resiflow?P67 | 1.0 |
| Wollastonite powder | 25.0 |
| BP-2000 | 6.0 |
| BP-120 | 1.0 |
| Bitter almond oil camphor | 0.5 |
| Glyoxal ethyline | 0.5 |
Embodiment 4:
| KD-214C | 26.0 |
| Epikote?1007 | 30.0 |
| Amanda?969A | 10.0 |
| Resiflow?P67 | 1.0 |
| Wollastonite powder | 25.0 |
| BP-2000 | 6.0 |
| BP-120 | 1.0 |
| Bitter almond oil camphor | 0.5 |
| Glyoxal ethyline | 0.5 |
Embodiment 5:
| KD-214C | 26.0 |
| Epikote1007 | 30.0 |
| Amanda969A | 10.0 |
| Resiflow?P67 | 1.0 |
| Wollastonite powder | 20.0 |
| BP-2000 | 6.0 |
| BP-120 | 1.0 |
| Bitter almond oil camphor | 0.5 |
| Glyoxal ethyline | 0.5 |
| Polyvinyl butyral acetal | 5.0 |
Prepared coating of the present invention is toasted 5min down at 200 ℃ after spraying, detect contrast by above-mentioned standard, and its result is as shown in table 1:
Table 1:
| Resistance | Squeezing test | Sticking power | Chemical resistance | |
| Embodiment 1 | 3.5*10 5Ω | 4/5 passes through | 3 grades | By |
| Embodiment 2 | 3.5*10 5Ω | 4/5 cracking | 3 grades | By |
| Embodiment 3 | 3.5*10 5Ω | 4/5 cracking | 1 grade | By |
| Embodiment 4 | 3.5*10 5Ω | 4/5 passes through | 1 grade | By |
| Embodiment 5 | 3.5*10 5Ω | 2/3 passes through | 1 grade | By |
The result shows: embodiment 3 shows by changing filler can obviously improve the boiling water sticking power of coating, but has sacrificed the anti-collapse performance of coating; Embodiment 4 and 5 shows by epoxy that adds macromolecule and the anti-collapse performance that toughening auxiliary agent can improve coating.
Claims (10)
1, a kind of conductive powder paint is characterized in that: comprise following material and weight part:
Binding material 50-95
Filler 0-45
Conductive auxiliary agent 1-50
Tinting pigment 0-10
Auxiliary agent 0-5
Toughening auxiliary agent 0-45
Described binding material is the total amount of resin and corresponding solidifying agent, and resin is vibrin, Resins, epoxy, (methyl) acrylic resin, urethane resin; The solidifying agent that is used for carrying out crosslinking reaction with resin is two-and/or multi-group ring oxide, carboxylic acid, Dyhard RU 100, resol and aminoresin.
2, a kind of conductive powder paint according to claim 1 is characterized in that: described caking agent is Resins, epoxy/Dyhard RU 100 class or phenols curing agent/curing catalyst.
3, a kind of conductive powder paint according to claim 1 is characterized in that: described filler is lime carbonate, barium sulfate, kaolin, wollastonite, mica powder.
4, a kind of conductive powder paint according to claim 3 is characterized in that: described filler is needle-like, sheet wollastonite, mica powder.
5, a kind of conductive powder paint according to claim 1 is characterized in that: described conductive auxiliary agent is conductive carbon black, electrically conductive graphite, conductive metallic fiber, conductive polymer material or light mineral dye.
6, a kind of conductive powder paint according to claim 5 is characterized in that: described conductive polymer material is polyaniline, polypyrrole, Polythiophene and derivative thereof.
7, a kind of conductive powder paint according to claim 5 is characterized in that: the mineral filler of described electroconductibility light-colored conductive is the pigment of the barium sulfate of metal oxide, nonmetal oxide, band conductive coating or potassium titanate, doping stannic oxide, doping zinc-oxide.
8, a kind of conductive powder paint according to claim 1 is characterized in that: described auxiliary agent is flow agent, air release agent;
Described flow agent is polyacrylic ester, the polyether compound of silicon-dioxide absorption;
Described air release agent is bitter almond oil camphor, polyethylene wax, polyamide wax.
9, a kind of conductive powder paint according to claim 8 is characterized in that: described air release agent is a bitter almond oil camphor.
10, a kind of conductive powder paint according to claim 1 is characterized in that: described toughening auxiliary agent is the Resins, epoxy of polyvinyl butyral acetal, polyethylene wax, Poly Propylene Wax, vinylformic acid core-shell polymer, powdered rubber or powdered rubber modification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910116407XA CN101508866A (en) | 2009-03-25 | 2009-03-25 | Conductive powder paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910116407XA CN101508866A (en) | 2009-03-25 | 2009-03-25 | Conductive powder paint |
Publications (1)
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|---|---|
| CN101508866A true CN101508866A (en) | 2009-08-19 |
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|---|---|---|---|
| CNA200910116407XA Pending CN101508866A (en) | 2009-03-25 | 2009-03-25 | Conductive powder paint |
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Application publication date: 20090819 |