CN104789087A - Thermal spraying coating sealing agent and application method thereof - Google Patents
Thermal spraying coating sealing agent and application method thereof Download PDFInfo
- Publication number
- CN104789087A CN104789087A CN201510192050.9A CN201510192050A CN104789087A CN 104789087 A CN104789087 A CN 104789087A CN 201510192050 A CN201510192050 A CN 201510192050A CN 104789087 A CN104789087 A CN 104789087A
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- agent
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- hole
- coating
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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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a thermal spraying coating sealing agent. The thermal spraying coating sealing agent is prepared from the following chemical constituents in parts by weight: 70-85 parts of modified epoxy resin, 4-8 parts of a pigment filler, 20-32 parts of a solvent, 16-22 parts of a curing agent, 4-7 parts of a dispersing agent, and 1-5 parts of a coalescing agent, wherein the solvent is formed by mixing acetone with propylene glycol according to a volume ratio of acetone to propylene glycol being 4:5; the curing agent is one of diethylenetriamine, m-phenylenediamine, DMP-30/polyamide 650, modified phenolic amine and diamino diphenyl sulfone (DDS); the pigment filler is formed by mixing graphite, molybdenum disulfide and zirconia according to a ratio of graphite to molybdenum disulfide to zirconia being 3:2:1. The sealing agent provided by the invention is good in permeability and stability, and is obviously improved in abrasion resistance, high-temperature corrosion resistance, acid liquor corrosion resistance and other properties.
Description
Technical field
The present invention relates to a kind of hole sealing agent and using method thereof, a kind of hot spraying coating sealing reagent 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, proposes a kind of hot spraying coating sealing reagent and using method thereof, solves traditional hole sealing agent and deposits stable not, the yielding problem of coating prod, effectively improves 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 hot spraying coating sealing reagent, the parts by weight of the chemical composition of this hole sealing agent are: modified epoxy 70-85 part, color stuffing 4-8 part, solvent 20-32 part, solidifying agent 16-22 part, dispersion agent 4-7 part; Film coalescence aid 1-5 part; Described solvent is the mixed solvent that acetone and propylene glycol mix with volume ratio 4:5;
Described solidifying agent is the one in diethylenetriamine, mphenylenediamine, DMP-30/ polyamide 6 50, phenol aldehyde modified amine, diamino-diphenyl MSM DDS; Described color stuffing is in graphite: molybdenumdisulphide: the ratio mixing of zirconium white=3:2:1.
Further restriction technical scheme of the present invention, aforesaid hot spraying coating sealing reagent, described modified epoxy is made up of the base polyurethane prepolymer for use as of the epoxypropyl Trimethoxy silane of the epoxy resin of 75-80%, 4-6%, the polymeric amide of 8-11%, the benzyldimethylamine benzyltriethylammoinium chloride of 1-2% and 7-11% by mass percentage, and above each component sum is 100%.
Aforesaid hot spraying coating sealing reagent, 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 lauryl alcohol ester and dipropylene according to lauryl alcohol ester: the part by weight compound of dipropylene=1:1 is made.
A using method for hot spraying coating sealing reagent, mixes modified epoxy with solidifying agent, and the solvent adding corresponding number according to ratio when mixing carries out viscosity adjustment; Viscosity adds dispersion agent, film coalescence aid and color stuffing again after regulating and is fully uniformly mixed;
First 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 the hot spray coating of sealing of hole at 350 ~ 400 DEG C of temperature, carry 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 300 ~ 350 DEG C of temperature, carries out the solidification treatment of 1-2 hour.
Further, the using method of aforesaid hot spraying coating sealing reagent, described first time atomizing spraying thickness be 12-15 micron, second time brushing thickness is 4-5 micron.
Beneficial effect: 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 is a kind of hot spraying coating sealing reagent, and the parts by weight of the chemical composition of this hole sealing agent are: modified epoxy 70 parts, color stuffing 4 parts, solvent 20 parts, diethylenetriamine 16 parts, hydrophobic modified carboxylic acid sodium salt 4 parts; Film coalescence aid 1 part; Wherein solvent is the mixed solvent that acetone and propylene glycol mix with volume ratio 4:5; Color stuffing is in graphite: molybdenumdisulphide: the ratio mixing of zirconium white=3:2:1, film coalescence aid is according to lauryl alcohol ester: the part by weight compound of dipropylene=1:1 is made.
Modified epoxy in the present embodiment by mass percentage by 79% epoxy resin, 4% epoxypropyl Trimethoxy silane, the polymeric amide of 8%, the benzyldimethylamine benzyltriethylammoinium chloride of 2% and 7% base polyurethane prepolymer for use as form, above each component sum is 100%.
The using method of a kind of hot spraying coating sealing reagent that the present embodiment provides, mixes modified epoxy with solidifying agent, and the solvent adding corresponding number according to ratio when mixing carries out viscosity adjustment; Viscosity adds dispersion agent, film coalescence aid and color stuffing again after regulating and is fully uniformly mixed;
First 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, atomizing spraying thickness is 12 μm, by the hot spray coating of sealing of hole at 350 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 second time brushing thickness is 4 μm, by the hot spray coating of sealing of hole at 300 DEG C of temperature, carries out the solidification treatment of 2 hours.
embodiment 2
The present embodiment provides a kind of hot spraying coating sealing reagent, and the parts by weight of the chemical composition of this hole sealing agent are: modified epoxy 75 parts, color stuffing 6 parts, solvent 25 parts, mphenylenediamine 19 parts, polyacrylic acid sodium salt 5 parts; Film coalescence aid 3 parts; Wherein solvent is the mixed solvent that acetone and propylene glycol mix with volume ratio 4:5; Color stuffing is in graphite: molybdenumdisulphide: the ratio mixing of zirconium white=3:2:1, film coalescence aid is according to lauryl alcohol ester: the part by weight compound of dipropylene=1:1 is made.
The modified epoxy of the present embodiment by mass percentage by 75% epoxy resin, 5% epoxypropyl Trimethoxy silane, the polymeric amide of 8%, the benzyldimethylamine benzyltriethylammoinium chloride of 1% and 11% base polyurethane prepolymer for use as form, above each component sum is 100%.
The using method of a kind of hot spraying coating sealing reagent that the present embodiment provides, mixes modified epoxy with solidifying agent, and the solvent adding corresponding number according to ratio when mixing carries out viscosity adjustment; Viscosity adds dispersion agent, film coalescence aid and color stuffing again after regulating and is fully uniformly mixed;
First 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, atomizing spraying thickness is 13 μm, by the hot spray coating of sealing of hole at 380 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, and second time brushing thickness is 4 μm, by the hot spray coating of sealing of hole at 330 DEG C of temperature, carries out the solidification treatment of 1.5 hours.
embodiment 3
The present embodiment is a kind of hot spraying coating sealing reagent, and the parts by weight of the chemical composition of this hole sealing agent are: modified epoxy 70-85 part, color stuffing 4-8 part, solvent 20-32 part, phenol aldehyde modified amine 16-22 part, hydrophobic modified carboxylic acid sodium salt 4-7 part; Film coalescence aid 1-5 part; Wherein solvent is the mixed solvent that acetone and propylene glycol mix with volume ratio 4:5; Color stuffing is in graphite: molybdenumdisulphide: the ratio mixing of zirconium white=3:2:1, film coalescence aid is according to lauryl alcohol ester: the part by weight compound of dipropylene=1:1 is made.
The modified epoxy of the present embodiment by mass percentage by 76% epoxy resin, 6% epoxypropyl Trimethoxy silane, the polymeric amide of 9%, the benzyldimethylamine benzyltriethylammoinium chloride of 1% and 8% base polyurethane prepolymer for use as form, above each component sum is 100%.
The using method of a kind of hot spraying coating sealing reagent that the present embodiment provides, mixes modified epoxy with solidifying agent, and the solvent adding corresponding number according to ratio when mixing carries out viscosity adjustment; Viscosity adds dispersion agent, film coalescence aid and color stuffing again after regulating and is fully uniformly mixed;
First 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, atomizing spraying thickness is 15 μm, by the hot spray coating of sealing of hole at 400 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, and second time brushing thickness is 5 μm, by the hot spray coating of sealing of hole at 350 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. hot spraying coating sealing reagent, is characterized in that: the parts by weight of the chemical composition of this hole sealing agent are: modified epoxy 70-85 part, color stuffing 4-8 part, solvent 20-32 part, solidifying agent 16-22 part, dispersion agent 4-7 part; Film coalescence aid 1-5 part;
Described solvent is the mixed solvent that acetone and propylene glycol mix with volume ratio 4:5;
Described solidifying agent is the one in diethylenetriamine, mphenylenediamine, DMP-30/ polyamide 6 50, phenol aldehyde modified amine, diamino-diphenyl MSM DDS;
Described color stuffing is in graphite: molybdenumdisulphide: the ratio mixing of zirconium white=3:2:1.
2. hot spraying coating sealing reagent as claimed in claim 1, it is characterized in that: described modified epoxy is made up of the base polyurethane prepolymer for use as of the epoxypropyl Trimethoxy silane of the epoxy resin of 75-80%, 4-6%, the polymeric amide of 8-11%, the benzyldimethylamine benzyltriethylammoinium chloride of 1-2% and 7-11% by mass percentage, and above each component sum is 100%.
3. hot spraying coating sealing reagent 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 lauryl alcohol ester and dipropylene according to lauryl alcohol ester: the part by weight compound of dipropylene=1:1 is made.
4. the using method of hot spraying coating sealing reagent as claimed in claim 1, is characterized in that: mixed with solidifying agent by modified epoxy, and the solvent adding corresponding number according to ratio when mixing carries out viscosity adjustment; Viscosity adds dispersion agent, film coalescence aid and color stuffing again after regulating and is fully uniformly mixed;
First 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 the hot spray coating of sealing of hole at 350 ~ 400 DEG C of temperature, carry 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 300 ~ 350 DEG C of temperature, carries out the solidification treatment of 1-2 hour.
5. the using method of the hot spraying coating sealing reagent stated as claim 4, is characterized in that: described first time atomizing spraying thickness be 12-15 micron, second time brushing thickness is 4-5 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192050.9A CN104789087A (en) | 2015-04-22 | 2015-04-22 | Thermal spraying coating sealing agent and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192050.9A CN104789087A (en) | 2015-04-22 | 2015-04-22 | Thermal spraying coating sealing agent and application method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104789087A true CN104789087A (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510192050.9A Pending CN104789087A (en) | 2015-04-22 | 2015-04-22 | Thermal spraying coating sealing agent and application method thereof |
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| Country | Link |
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| CN (1) | CN104789087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110784946A (en) * | 2019-11-12 | 2020-02-11 | 中国商用飞机有限责任公司 | Electrical heating film structure and method of forming the same |
-
2015
- 2015-04-22 CN CN201510192050.9A patent/CN104789087A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110784946A (en) * | 2019-11-12 | 2020-02-11 | 中国商用飞机有限责任公司 | Electrical heating film structure and method of forming the same |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150722 |