CN105482637A - High-flexibility impact-resistant powder coating for water pump and preparation method thereof - Google Patents
High-flexibility impact-resistant powder coating for water pump and preparation method thereof Download PDFInfo
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- CN105482637A CN105482637A CN201510996006.3A CN201510996006A CN105482637A CN 105482637 A CN105482637 A CN 105482637A CN 201510996006 A CN201510996006 A CN 201510996006A CN 105482637 A CN105482637 A CN 105482637A
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- water pump
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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
- 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
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four 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)
- Paints Or Removers (AREA)
Abstract
The invention discloses a high-flexibility impact-resistant powder coating for a water pump. The high-flexibility impact-resistant powder coating is prepared from the following raw materials in parts by weight: 40-50 parts of bisphenol A epoxy resin, 20-30 parts of sericite powder, 5-10 parts of potassium titanate whisker, 3-5 parts of styrene-maleic anhydride copolymer, 1-2 parts of zirconium sol, 3-5 parts of aluminum sol, 3-5 parts of aqueous polyurethane emulsion, 1-2 parts of alkyl ketene dimer, 3-5 parts of a phenolic curing agent, 1-2 parts of calcium stearyl lactylate, and 3-5 parts of a film-forming assistant. The water pump powder coating disclosed by the invention has good cavitation resistance and abrasion resistance, and a formed coating layer has strong binding ability with a metal matrix, is difficult to peel off and crack, is strong in impact resistance, good in flexibility and high in stability, can effectively resist external damages, and is long in service life.
Description
Technical field
The present invention relates to powder coating technology field, particularly relate to a kind of high-flexibility shock resistance water pump powder coating and preparation method thereof.
Background technology
Pump is a kind of universal machine, of a great variety, and enormous amount is widely used in the field such as electric power, water conservancy.The pump housing bears the impact of high velocity air and drop for a long time in operational process, and the anti-cavitation of the pump housing itself, Abrasion properties are poor, have impact on operation stability and the working life of pump to a great extent.The conventional means that coating protection is pump housing surfacecti proteon is carried out with coating.Powder coating, as a kind of coating of Novel solvent-free, have solvent-free, nuisanceless, environmental protection, the simple feature of coating process, and its coating performance is excellent, is applied widely.But coating and the metallic matrix binding ability of existing powder coating formation are poor, and snappiness is poor, and fragility is large, shock resistance effect is bad, easy to crack, limits the application of powder coating in pump surfacecti proteon to a certain extent.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of high-flexibility shock resistance water pump powder coating and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of high-flexibility shock resistance water pump powder coating, it is obtained by the raw material of following weight parts:
Bisphenol A type epoxy resin 40-50, sericite in powder 20-30, potassium titanate crystal whisker 5-10, styrene-maleic anhydride copolymer 3-5, zirconium colloidal sol 1-2, Alumina gel 3-5, aqueous polyurethane emulsion 3-5, alkyl ketene dimer 1-2, phenols curing agent 3-5, CSL 1-2, film coalescence aid 3-5;
Described zirconium colloidal sol solid content is 20-30%, and Alumina gel solid content is 20-30%, and aqueous polyurethane emulsion solid content is 40-50%;
Described film coalescence aid is made up of the raw material of following weight part: rosin 2-4, epoxy soybean oil 5-10, vinylformic acid 3-5, glyceryl monostearate 0.5-1, silane coupling agent KH-5600.3-0.5; The preparation method of film coalescence aid is first that rosin, epoxy soybean oil and glyceryl monostearate is even in 160-180 DEG C of melt blending, then temperature is adjusted to 110-120 DEG C and adds all the other raw material stirring 2-4h, to obtain final product.
A preparation method for high-flexibility shock resistance water pump powder coating, comprises the following steps:
(1) add after zirconium colloidal sol being mixed with Alumina gel in the water of 5-10 times of volume, first pH be adjusted to 3-4 and add sericite in powder and potassium titanate crystal whisker 50-60 DEG C of stirring 1-2h, again pH is adjusted to 6-7, add aqueous polyurethane emulsion 80-90 DEG C and stir 2-4h, then 120-150 DEG C of dry 4-6h, be ground to 400-600 order after cooling, obtain modified filler;
(2) by bisphenol A type epoxy resin, styrene-maleic anhydride copolymer, alkyl ketene dimer and film coalescence aid in 80-90 DEG C, 1000-1500r/min mixing 10-15min, obtain resin compound;
(3) by the resin compound in the modified filler in (1) and (2) prior to 800-1500r/min high-speed mixing 10-20min, add all the other raw material stirring more even, melt extruded by screw extrusion press, then cool section, pulverizing is ground to 400-600 order, obtain high-flexibility shock resistance water pump powder coating.
Advantage of the present invention is:
The present invention is by the reaction of rosin, vinylformic acid and epoxy soybean oil melt blending, film coalescence aid is obtained in conjunction with silane coupling agent KH-560 modification, high with the consistency of resin and filler, strong with the bonding force of metallic matrix, effectively can improve sticking power and the mechanical property of coating; Urethane have snappiness, with the high-compatibility of epoxy resin, Alumina gel, zirconium colloidal sol have high rigidity, wear-corrosion resistance, carry out composite modified by zirconium colloidal sol, Alumina gel and aqueous polyurethane emulsion to filler, then carry out composite with resin and all the other raw materials, the powder coating obtained is made to have excellent anti-cavitation, wear-corrosion resistance, coating and the metallic matrix binding ability of formation are strong, incrust, cracking, shock resistance is strong, snappiness is good, stability is high, effectively can resist outside destroy, long service life.
Embodiment
A kind of high-flexibility shock resistance water pump powder coating, it is obtained by the raw material of following weight parts:
Bisphenol A type epoxy resin 40, sericite in powder 20, potassium titanate crystal whisker 5, styrene-maleic anhydride copolymer 3, zirconium colloidal sol 1, Alumina gel 3, aqueous polyurethane emulsion 3, alkyl ketene dimer 1, phenols curing agent 3, CSL 1, film coalescence aid 3;
Described zirconium colloidal sol solid content is 20%, and Alumina gel solid content is 20%, and aqueous polyurethane emulsion solid content is 40%;
Described film coalescence aid is made up of the raw material of following weight part: rosin 2, epoxy soybean oil 5, vinylformic acid 3, glyceryl monostearate 0.5, silane coupling agent KH-5600.3; The preparation method of film coalescence aid is first that rosin, epoxy soybean oil and glyceryl monostearate is even in 160 DEG C of melt blendings, then temperature is adjusted to 110 DEG C and adds all the other raw material stirring 2h, to obtain final product.
A preparation method for high-flexibility shock resistance water pump powder coating, comprises the following steps:
(1) add after zirconium colloidal sol being mixed with Alumina gel in the water of 5 times of volumes, first pH be adjusted to 3 and add sericite in powder and potassium titanate crystal whisker 50 DEG C stirring 1h, again pH is adjusted to 6, add aqueous polyurethane emulsion 80 DEG C and stir 2h, then 120 DEG C of dry 4h, be ground to 400 orders after cooling, obtain modified filler;
(2) by bisphenol A type epoxy resin, styrene-maleic anhydride copolymer, alkyl ketene dimer and film coalescence aid in 80 DEG C, 1000r/min mixing 10min, obtain resin compound;
(3) by the resin compound in the modified filler in (1) and (2) prior to 800r/min high-speed mixing 10min, add all the other raw material stirring more even, melt extruded by screw extrusion press, then cool section, pulverizing is ground to 400 orders, obtain high-flexibility shock resistance water pump powder coating.
Through inspection, the coating performance that water pump powder coating obtained above is formed is as follows:
Coatingsurface flat smooth, zero defect.
Claims (2)
1. a high-flexibility shock resistance water pump powder coating, is characterized in that, it is obtained by the raw material of following weight parts:
Bisphenol A type epoxy resin 40-50, sericite in powder 20-30, potassium titanate crystal whisker 5-10, styrene-maleic anhydride copolymer 3-5, zirconium colloidal sol 1-2, Alumina gel 3-5, aqueous polyurethane emulsion 3-5, alkyl ketene dimer 1-2, phenols curing agent 3-5, CSL 1-2, film coalescence aid 3-5;
Described zirconium colloidal sol solid content is 20-30%, and Alumina gel solid content is 20-30%, and aqueous polyurethane emulsion solid content is 40-50%;
Described film coalescence aid is made up of the raw material of following weight part: rosin 2-4, epoxy soybean oil 5-10, vinylformic acid 3-5, glyceryl monostearate 0.5-1, silane coupling agent KH-5600.3-0.5; The preparation method of film coalescence aid is first that rosin, epoxy soybean oil and glyceryl monostearate is even in 160-180 DEG C of melt blending, then temperature is adjusted to 110-120 DEG C and adds all the other raw material stirring 2-4h, to obtain final product.
2. the preparation method of a kind of high-flexibility shock resistance water pump powder coating according to claim 1, is characterized in that, comprise the following steps:
(1) add after zirconium colloidal sol being mixed with Alumina gel in the water of 5-10 times of volume, first pH be adjusted to 3-4 and add sericite in powder and potassium titanate crystal whisker 50-60 DEG C of stirring 1-2h, again pH is adjusted to 6-7, add aqueous polyurethane emulsion 80-90 DEG C and stir 2-4h, then 120-150 DEG C of dry 4-6h, be ground to 400-600 order after cooling, obtain modified filler;
(2) by bisphenol A type epoxy resin, styrene-maleic anhydride copolymer, alkyl ketene dimer and film coalescence aid in 80-90 DEG C, 1000-1500r/min mixing 10-15min, obtain resin compound;
(3) by the resin compound in the modified filler in (1) and (2) prior to 800-1500r/min high-speed mixing 10-20min, add all the other raw material stirring more even, melt extruded by screw extrusion press, then cool section, pulverizing is ground to 400-600 order, obtain high-flexibility shock resistance water pump powder coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510996006.3A CN105482637A (en) | 2015-12-23 | 2015-12-23 | High-flexibility impact-resistant powder coating for water pump and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510996006.3A CN105482637A (en) | 2015-12-23 | 2015-12-23 | High-flexibility impact-resistant powder coating for water pump and preparation method thereof |
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| CN105482637A true CN105482637A (en) | 2016-04-13 |
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| CN201510996006.3A Pending CN105482637A (en) | 2015-12-23 | 2015-12-23 | High-flexibility impact-resistant powder coating for water pump and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929622A (en) * | 2018-06-15 | 2018-12-04 | 汪国亮 | A kind of preparation method of the acrylic acid insulated heat powdery paints for anti-corrosion of metal |
| CN113185894A (en) * | 2021-04-29 | 2021-07-30 | 甘肃西部邦奇装饰材料科技有限公司 | Toughening type steel bar anticorrosion powder coating and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353544A (en) * | 2008-09-11 | 2009-01-28 | 浙江大学宁波理工学院 | Tough sintering epoxy powder coating and preparation thereof |
-
2015
- 2015-12-23 CN CN201510996006.3A patent/CN105482637A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353544A (en) * | 2008-09-11 | 2009-01-28 | 浙江大学宁波理工学院 | Tough sintering epoxy powder coating and preparation thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929622A (en) * | 2018-06-15 | 2018-12-04 | 汪国亮 | A kind of preparation method of the acrylic acid insulated heat powdery paints for anti-corrosion of metal |
| CN113185894A (en) * | 2021-04-29 | 2021-07-30 | 甘肃西部邦奇装饰材料科技有限公司 | Toughening type steel bar anticorrosion powder coating and preparation method thereof |
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Application publication date: 20160413 |
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