CN104804614A - Corrosion resistant thermal spraying hole sealing agent and application method thereof - Google Patents
Corrosion resistant thermal spraying hole sealing agent and application method thereof Download PDFInfo
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- CN104804614A CN104804614A CN201510192262.7A CN201510192262A CN104804614A CN 104804614 A CN104804614 A CN 104804614A CN 201510192262 A CN201510192262 A CN 201510192262A CN 104804614 A CN104804614 A CN 104804614A
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Abstract
The invention discloses a corrosion resistant thermal spraying hole sealing agent which comprises the following chemical components in parts by weight: 55-65 parts of hydantoin epoxy resin, 10-20 parts of zinc molybdate, 6-10 parts of a filler, 16-25 parts of a solvent, 16-22 parts of a curing agent, 6-8 parts of aluminite powder with the grain size of 40-60 microns, 5-10 parts of antimonous oxide, 4-8 parts of aluminium silicate, 6-8 parts of a dispersing agent, 4-6 parts of silicone oil and 3-8 parts of a coalescing agent, wherein the solvent is a mixed solvent of acetone and isopropanol with the volume ratio of 2:5; the curing agent is one selected from diethylenetriamine, phenolic aldehyde modified amine or diaminodiphenyl methylsulfone; the filler is a mixture of silicon dioxide, molybdenum disulfide and barium sulfate with the weight ratio of 3:1:2. The corrosion resistant thermal spraying hole sealing agent has excellent permeability and stability as well as remarkably improved abrasion resistance, high-temperature corrosion resistance, acid liquor corrosion resistance and the like.
Description
Technical field
The present invention relates to a kind of hole sealing agent and using method thereof, a kind of corrosion resistant thermospray hole sealing agent and using method thereof, belong to technical field of hot specifically.
Background technology
Along with the development of Modern Surface Technology, the hot spray coating with very high performance price ratio has obtained to be applied more and more widely.As steel sheet production line surface of roller hot spray coating, the performances such as its wear resistance, shock resistance, erosion resistance can be significantly improved.But the coating after spraying has certain hole, its hole has a certain impact to the result of use of coating and work-ing life.
The main path that solution hot spray coating exists hole adopts hole sealing technology, applies and infiltrate hot spray coating by hole sealing agent, the space of filling hot spray coating, thus realize the sealing pores to hot spray coating.Although the effect of sealing of hole is more stable, import hole sealing agent is very expensive, and this hole sealing agent deposits inconvenience, and shelf-time length easily produces precipitation, thus scraps, and substantially increases production and operation cost.
Summary of the invention
Technical problem to be solved by this invention is, a kind of corrosion resistant thermospray hole sealing agent and using method thereof are proposed, solve traditional hole sealing agent deposit not unstable, coating prod is yielding and the problem of poor corrosion resistance after surface fracture, by the improvement to component, effectively improve result of use and the work-ing life of coating.
The present invention solves the technical scheme of above technical problem: provide a kind of corrosion resistant thermospray hole sealing agent, the parts by weight of the chemical composition of this hole sealing agent are: glycolylurea epoxide resin 55-65 part, zinc molybdate 10-20 part, filler 6-10 part, solvent 16-25 part, solidifying agent 16-22 part, particle diameter 40-60 μm of aluminium powder 6-8 part, antimonous oxide 5-10 part, pure aluminium silicate 4-8 part, dispersion agent 6-8 part, silicone oil 4-6 part, film coalescence aid 3-8 part;
Described solvent is the mixed solvent that acetone and Virahol mix with volume ratio 2:5;
Described solidifying agent is the one in diethylenetriamine, phenol aldehyde modified amine or diamino-diphenyl MSM;
Described filler is in silicon-dioxide: molybdenumdisulphide: the parts by weight ratio mixing of barium sulfate=3:1:2.
Further restriction technical scheme of the present invention, aforesaid corrosion resistant thermospray hole sealing agent, the preparation method of described glycolylurea epoxide resin is as follows: by epoxy chloropropane and 5, the 3:4 mixing by ratio of weight and the number of copies of 5-dimethyl hydantion, by mixture to entering in aqueous isopropanol, at temperature is 75-95 DEG C, carries out reaction 20-35min, and passes into nitrogen all the time in reaction process, obtain glycolylurea epoxide resin.
Aforesaid corrosion resistant thermospray hole sealing agent, described dispersion agent comprises one or more in hydrophobic modified carboxylic acid sodium salt, polyacrylic acid sodium salt or ammonium salt; Described film coalescence aid be phenylcarbinol and ethylene glycol monobutyl ether according to phenylcarbinol: the part by weight compound of ethylene glycol monobutyl ether=3:2 is made.
A using method for corrosion resistant thermospray hole sealing agent, comprises the following steps:
First mixed with solidifying agent by modified epoxy, the solvent adding corresponding number according to ratio when mixing carries out viscosity adjustment; Viscosity adds dispersion agent, film coalescence aid and filler again after regulating and is fully uniformly mixed;
Use the method for atomizing spraying that hole sealing agent is coated on hot spray coating surface evenly, thinly, hole sealing agent is fully penetrated in the hole of coating, by hole sealing agent at 400-550 DEG C of temperature, carries out the solidification treatment of 4-5 hour;
The method re-using brushing carries out secondary coating on bottom hole sealing agent, by the hot spray coating of sealing of hole at 320-360 DEG C of temperature, carries out the solidification treatment of 1-2 hour.
Further, the using method of aforesaid corrosion resistant thermospray hole sealing agent, described first time atomizing spraying thickness be 14-18 μm, second time brushing thickness is 4-5 μm.
Beneficial effect of the present invention: hole sealing agent provided by the invention has good perviousness and stability, and resistance to wear, the performance such as high-temperature corrosion resistance and antiacid corrosion significantly improves.Hole sealing agent of the present invention is brushed in hot spray coating surface, and thickness should be even, can bear thermal shocking, and low in raw material price, can meet usability and economy simultaneously.
Embodiment
embodiment 1
The present embodiment provides a kind of corrosion resistant thermospray hole sealing agent, the parts by weight of the chemical composition of this hole sealing agent are: glycolylurea epoxide resin 55 parts, zinc molybdate 10 parts, filler 6 parts, solvent 16 parts, phenol aldehyde modified amine 16 parts, particle diameter 40-60 μm aluminium powder 6 parts, antimonous oxide 5 parts, pure aluminium silicate 4 parts, polyacrylic acid sodium salt 6 parts, silicone oil 4 parts, film coalescence aid 3 parts; Wherein solvent is the mixed solvent that acetone and Virahol mix with volume ratio 2:5; Film coalescence aid is according to phenylcarbinol: the part by weight compound of ethylene glycol monobutyl ether=3:2 is made; Described filler is in silicon-dioxide: molybdenumdisulphide: the parts by weight ratio mixing of barium sulfate=3:1:2.
The preparation method of the glycolylurea epoxide resin in the present embodiment is as follows: by epoxy chloropropane and 5, the 3:4 mixing by ratio of weight and the number of copies of 5-dimethyl hydantion, by mixture to entering in aqueous isopropanol, reaction 35min is carried out at temperature is 75 DEG C, and nitrogen is passed into all the time in reaction process, obtain glycolylurea epoxide resin.
The using method of a kind of corrosion resistant thermospray hole sealing agent that the present embodiment provides, step is as follows:
First mixed with solidifying agent by modified epoxy, the solvent adding corresponding number according to ratio when mixing carries out viscosity adjustment; Viscosity adds dispersion agent, film coalescence aid and filler again after regulating and is fully uniformly mixed;
Use the method for atomizing spraying that hole sealing agent is coated on hot spray coating surface evenly, thinly, atomizing spraying thickness is 14 μm, and hole sealing agent is fully penetrated in the hole of coating, by hole sealing agent at 400 DEG C of temperature, carries out the solidification treatment of 5 hours;
The method re-using brushing carries out secondary coating on bottom hole sealing agent, and brushing thickness is 4 μm, by the hot spray coating of sealing of hole at 320 DEG C of temperature, carries out the solidification treatment of 2 hours.
embodiment 2
The present embodiment provides the present embodiment to provide a kind of corrosion resistant thermospray hole sealing agent, the parts by weight of the chemical composition of this hole sealing agent are: glycolylurea epoxide resin 60 parts, zinc molybdate 15 parts, filler 8 parts, solvent 19 parts, diethylenetriamine 18 parts, particle diameter 40-60 μm aluminium powder 7 parts, antimonous oxide 8 parts, pure aluminium silicate 6 parts, polyacrylic acid sodium salt 7 parts, silicone oil 5 parts, film coalescence aid 6 parts; Wherein solvent is the mixed solvent that acetone and Virahol mix with volume ratio 2:5; Film coalescence aid is according to phenylcarbinol: the part by weight compound of ethylene glycol monobutyl ether=3:2 is made; Described filler is in silicon-dioxide: molybdenumdisulphide: the parts by weight ratio mixing of barium sulfate=3:1:2.
The preparation method of the glycolylurea epoxide resin in the present embodiment is as follows: by epoxy chloropropane and 5, the 3:4 mixing by ratio of weight and the number of copies of 5-dimethyl hydantion, by mixture to entering in aqueous isopropanol, reaction 25min is carried out at temperature is 80 DEG C, and nitrogen is passed into all the time in reaction process, obtain glycolylurea epoxide resin.
The using method of a kind of corrosion resistant thermospray hole sealing agent that the present embodiment provides, step is as follows:
First mixed with solidifying agent by modified epoxy, the solvent adding corresponding number according to ratio when mixing carries out viscosity adjustment; Viscosity adds dispersion agent, film coalescence aid and filler again after regulating and is fully uniformly mixed;
Use the method for atomizing spraying that hole sealing agent is coated on hot spray coating surface evenly, thinly, atomizing spraying thickness is 16 μm, and hole sealing agent is fully penetrated in the hole of coating, by hole sealing agent at 450 DEG C of temperature, carries out the solidification treatment of 4.5 hours;
The method re-using brushing carries out secondary coating on bottom hole sealing agent, and brushing thickness is 5 μm, by the hot spray coating of sealing of hole at 330 DEG C of temperature, carries out the solidification treatment of 2 hours.
embodiment 3
The present embodiment is that the present embodiment provides a kind of corrosion resistant thermospray hole sealing agent, the parts by weight of the chemical composition of this hole sealing agent are: glycolylurea epoxide resin 65 parts, zinc molybdate 20 parts, filler 10 parts, solvent 25 parts, diamino-diphenyl MSM 22 parts, particle diameter 40-60 μm aluminium powder 8 parts, antimonous oxide 10 parts, pure aluminium silicate 8 parts, hydrophobic modified carboxylic acid sodium salt 8 parts, silicone oil 6 parts, film coalescence aid 8 parts; Wherein solvent is the mixed solvent that acetone and Virahol mix with volume ratio 2:5; Film coalescence aid is according to phenylcarbinol: the part by weight compound of ethylene glycol monobutyl ether=3:2 is made; Described filler is in silicon-dioxide: molybdenumdisulphide: the parts by weight ratio mixing of barium sulfate=3:1:2.
The preparation method of the glycolylurea epoxide resin in the present embodiment is as follows: by epoxy chloropropane and 5, the 3:4 mixing by ratio of weight and the number of copies of 5-dimethyl hydantion, by mixture to entering in aqueous isopropanol, reaction 20min is carried out at temperature is 95 DEG C, and nitrogen is passed into all the time in reaction process, obtain glycolylurea epoxide resin.
The using method of a kind of corrosion resistant thermospray hole sealing agent that the present embodiment provides, step is as follows:
First mixed with solidifying agent by modified epoxy, the solvent adding corresponding number according to ratio when mixing carries out viscosity adjustment; Viscosity adds dispersion agent, film coalescence aid and filler again after regulating and is fully uniformly mixed;
Use the method for atomizing spraying that hole sealing agent is coated on hot spray coating surface evenly, thinly, atomizing spraying thickness is 18 μm, and hole sealing agent is fully penetrated in the hole of coating, by hole sealing agent at 550 DEG C of temperature, carries out the solidification treatment of 4 hours;
The method re-using brushing carries out secondary coating on bottom hole sealing agent, brushing thickness 5 μm, by the hot spray coating of sealing of hole at 360 DEG C of temperature, carries out the solidification treatment of 1 hour.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (5)
1. a corrosion resistant thermospray hole sealing agent, it is characterized in that: the parts by weight of the chemical composition of this hole sealing agent are: glycolylurea epoxide resin 55-65 part, zinc molybdate 10-20 part, filler 6-10 part, solvent 16-25 part, solidifying agent 16-22 part, particle diameter 40-60 μm of aluminium powder 6-8 part, antimonous oxide 5-10 part, pure aluminium silicate 4-8 part, dispersion agent 6-8 part, silicone oil 4-6 part, film coalescence aid 3-8 part;
Described solvent is the mixed solvent that acetone and Virahol mix with volume ratio 2:5;
Described solidifying agent is the one in diethylenetriamine, phenol aldehyde modified amine or diamino-diphenyl MSM;
Described filler is in silicon-dioxide: molybdenumdisulphide: the parts by weight ratio mixing of barium sulfate=3:1:2.
2. corrosion resistant thermospray hole sealing agent as claimed in claim 1, it is characterized in that: the preparation method of described glycolylurea epoxide resin is as follows: by epoxy chloropropane and 5, the 3:4 mixing by ratio of weight and the number of copies of 5-dimethyl hydantion, by mixture to entering in aqueous isopropanol, reaction 20-35min is carried out at temperature is 75-95 DEG C, and nitrogen is passed into all the time in reaction process, obtain glycolylurea epoxide resin.
3. corrosion resistant thermospray hole sealing agent as claimed in claim 1, is characterized in that: described dispersion agent comprises one or more in hydrophobic modified carboxylic acid sodium salt, polyacrylic acid sodium salt or ammonium salt; Described film coalescence aid be phenylcarbinol and ethylene glycol monobutyl ether according to phenylcarbinol: the part by weight compound of ethylene glycol monobutyl ether=3:2 is made.
4. the using method of corrosion resistant thermospray hole sealing agent as claimed in claim 1, is characterized in that:
First mixed with solidifying agent by modified epoxy, the solvent adding corresponding number according to ratio when mixing carries out viscosity adjustment; Viscosity adds dispersion agent, film coalescence aid and filler again after regulating and is fully uniformly mixed;
Use the method for atomizing spraying that hole sealing agent is coated on hot spray coating surface evenly, thinly, hole sealing agent is fully penetrated in the hole of coating, by hole sealing agent at 400-550 DEG C of temperature, carries out the solidification treatment of 4-5 hour;
The method re-using brushing carries out secondary coating on bottom hole sealing agent, by the hot spray coating of sealing of hole at 320-360 DEG C of temperature, carries out the solidification treatment of 1-2 hour.
5. the using method of corrosion resistant thermospray hole sealing agent as claimed in claim 4, is characterized in that: described first time atomizing spraying thickness be 14-18 μm, second time brushing thickness is 4-5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192262.7A CN104804614A (en) | 2015-04-22 | 2015-04-22 | Corrosion resistant thermal spraying hole sealing agent and application method thereof |
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| CN201510192262.7A CN104804614A (en) | 2015-04-22 | 2015-04-22 | Corrosion resistant thermal spraying hole sealing agent and application method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099216A (en) * | 2017-04-24 | 2017-08-29 | 武汉武船机电模块有限责任公司 | A kind of anticorrosion coating material and its application process |
| CN111303670A (en) * | 2018-12-11 | 2020-06-19 | 哈米尔顿森德斯特兰德公司 | Chromium-free corrosion inhibiting coating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485764A (en) * | 2010-12-03 | 2012-06-06 | 黄振庭 | Synthesis process for epoxy resin |
| CN102618167A (en) * | 2012-04-17 | 2012-08-01 | 山东大学 | Thermal impact and alkali steam corrosion resistant flexible sealant and use method thereof |
| CN103243290A (en) * | 2013-05-20 | 2013-08-14 | 李丽 | Electric arc spraying pure aluminium coating sealant with high corrosion resistance, preparation process and application of sealant |
| CN103333579A (en) * | 2013-07-09 | 2013-10-02 | 烟台开发区蓝鲸金属修复有限公司 | Hole sealing agent for surfaces of thermal sprayed coatings and applications thereof |
-
2015
- 2015-04-22 CN CN201510192262.7A patent/CN104804614A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485764A (en) * | 2010-12-03 | 2012-06-06 | 黄振庭 | Synthesis process for epoxy resin |
| CN102618167A (en) * | 2012-04-17 | 2012-08-01 | 山东大学 | Thermal impact and alkali steam corrosion resistant flexible sealant and use method thereof |
| CN103243290A (en) * | 2013-05-20 | 2013-08-14 | 李丽 | Electric arc spraying pure aluminium coating sealant with high corrosion resistance, preparation process and application of sealant |
| CN103333579A (en) * | 2013-07-09 | 2013-10-02 | 烟台开发区蓝鲸金属修复有限公司 | Hole sealing agent for surfaces of thermal sprayed coatings and applications thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099216A (en) * | 2017-04-24 | 2017-08-29 | 武汉武船机电模块有限责任公司 | A kind of anticorrosion coating material and its application process |
| CN111303670A (en) * | 2018-12-11 | 2020-06-19 | 哈米尔顿森德斯特兰德公司 | Chromium-free corrosion inhibiting coating |
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Application publication date: 20150729 |