CN105985704A - High-impact-resistance powder coating - Google Patents
High-impact-resistance powder coating Download PDFInfo
- Publication number
- CN105985704A CN105985704A CN201510977052.9A CN201510977052A CN105985704A CN 105985704 A CN105985704 A CN 105985704A CN 201510977052 A CN201510977052 A CN 201510977052A CN 105985704 A CN105985704 A CN 105985704A
- Authority
- CN
- China
- Prior art keywords
- parts
- solution
- prepared
- chitosan
- added
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- C09D5/033—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
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a high-impact-resistance powder coating which is prepared from, by weight, 0.3-.0.4 part of polydimethylsiloxane, 1-2 parts of sodium silicate, 12-14 parts of saturated polyester resin, 2-3 parts of stainless steel powder, 6-8 parts of heavy calcium carbonate, 8-9 parts of ceramic slag powder, 1-2 parts of benzoin, 3-4 parts of dicyandiamide, 1-2 parts of zinc sulfide, 3-4 parts of boron carbide, 1-2 parts of fumed silica, 1-2 parts of scorch retarder CTP, 3-5 parts of polyvinyl acetate emulsion, 90-100 parts of epoxy resin, 6-8 parts of phenolic resin, 0.1-0.2 part of rare earth chloride, 15-18 parts of chitosan and 4-5 parts of polyvinyl alcohol. The powder coating prepared has excellent adhesion, hardness, chemical resistance and physical and mechanical performance, has excellent impact resistance and is simple in preparation method worthy of popularization.
Description
Technical field
The present invention relates to powder coating technology field, particularly relate to the powdery paints that a kind of impact resistance is high.
Background technology
Powdery paints has solvent-free property, non-environmental-pollution, Powder Recovery and utilization rate high, is utilized widely.Powdery paints can be divided into thermoplasticity, the big class of thermosetting two.Thermoplastic powder coating is using thermoplastic resin as film forming matter, its feature is that synthetic resin raises and deliquescing with temperature, becomes hard after cooling, and this process can be repeated a number of times, often changing once will be the most aging, eventually becomes the powder of non-plastic.Thermosetting powder coating is using thermoset synthetic resin as film forming matter.Its feature is with the prepolymer resin of some low degree, in the presence of a curing agent through the baking-curing of uniform temperature, and becomes the scleroid end product that can not dissolve or melt.When temperature is when raising, and product can only decompose and can not soften again, belong to chemical change.Owing to molecular resin amount is low, so having preferable levelability, wettability, after firmly adhering to surface of workpiece, and solidification, there is the most ornamental and anticorrosive property.But it is that to be used as decorative coating in the majority all the time at China's powdery paints.
Patent No. CN201510396989.7 " a kind of new type low temperature cured epoxy powdery paints " patent is pointed out along with various countries are increasing to the demand of the energy, reduce energy resource consumption, protection environment becomes the main body of enterprise development, exploitation cold curing paint is that the universal powder coating solidification temperature of solution is higher, narrow application range, the important method that energy resource consumption is big, it utilizes bisphenol A type epoxy resin and the good compatible feature of modified crosslinking agent, coating is made to have the adhesive force of excellence, impact resistance, the advantages such as wet-heat resisting, filler uses blanc fixe and active micro silicon powder to make coating have good acid resistance and alkali resistance, but the powdery paints thus inventing preparation can not meet corrosion, the antibacterial demand with protection field.The powdery paints that the present invention is prepared by the design of rational formula has low solidification temperature, expand application prospect, and resin matrix is modified research, the corrosion-resistant, weather-proof, antibacterial of powdery paints and mechanical strength etc. are improved, meet on market for decoration and the requirement of protection field each side.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that the powdery paints that a kind of impact resistance is high.
The present invention is achieved by the following technical solutions:
The powdery paints that a kind of impact resistance is high, is made up of the raw material of following weight portion: polydimethylsiloxane 0.3-0.4, sodium silicate 1-2, saturated polyester resin 12-14, stainless steel powder 2-3, ground calcium carbonate 6-8, pottery ground-slag end 8-9, Benzoinum 1-2, dicyandiamide 3-4, zinc sulfide 1-2, boron carbide 3-4, aerosil 1-2, anti-scorching agent CTP 1-2, venamul 3-5, epoxy resin 90-100, phenolic resin 6-8, rare earth chloride 0.1-0.2, chitosan 15-18, polyvinyl alcohol 4-5.
The powdery paints that described a kind of impact resistance is high, is made up of step in detail below:
(1) by the sodium silicate water dissolution of 10-12 times amount, being subsequently adding stainless steel powder and boron carbide stirs, slight fever stirring is standby to forming sticky slurry；
(2) slurry prepared by step (1) is coated on the surface of ground calcium carbonate, is added in baking oven dry, is added to after cooling in venamul, standby after oven drying at low temperature；
(3) chitosan is dissolved in the acetic acid solution of 85%, it is 6-10% chitosan solution that magnetic agitation uniformly makes concentration, it is 8-10% solution that polyvinyl alcohol water dissolution is made concentration, it is heated to 80-85 DEG C, then chitosan solution is added in polyvinyl alcohol water solution, adding product ultrasonic disperse prepared by step (2) uniform, standing and defoaming obtains spinning solution；
(4) phenolic resin and rare earth chloride are mixed, heated and stirred reaction 10-15min, when reaction temperature is at 80-85 DEG C, constant temperature keeps 10-15min, then boiling it is heated to, under fluidized state, keep 3-4h, naturally cool to room temperature, then make, with the ethanol dilution of 75%, the novolac solution that concentration is 10-12%, it is then added to mixing and stirring in product prepared by step (3), prepares composite fibre through electrostatic spinning process standby；
(5) product epoxy resin, Benzoinum, dicyandiamide, saturated polyester resin and step (4) prepared puts in high mixer and stirs, by remaining surplus stock mixing flour to 100 mesh, continue to put in high speed machine and stir, finally by the material of mixing after 70-80 DEG C of preheating melting mixing 20-30min, it is cooled to room temperature, it is ground into the powder body that particle diameter is 20-35 μm again, finally carries out metering packing, discharging.
nullThe invention have the advantage that the present invention utilizes rare earth chloride volatile de-electromation reactivity high，Extremely strong chemical bond is generated with reactive modified phenolic resin，Make it heat-resisting、The performances such as wear-resisting and corrosion resistance are improved，Utilize chitosan itself nontoxic、The features such as broad-spectrum antiseptic and phenol-formaldehyde resin modified、Filler is blended prepares composite fibre，Composite fibre and substrate ring epoxy resins is utilized to crosslink copolyreaction，Add the crosslink density of system，Improve film media-resistant penetrating power，Its water absorption rate is made to reduce，Resistance to cracking is improved，Also improve the corrosion-resistant of powdery paints simultaneously、The performances such as antibacterial and toughness，Improve the shortcoming that the brittle period of storage easy to crack of epoxy resin itself is not grown，The stainless steel powder added、Ground calcium carbonate and boron carbide etc. enhance the wear-resisting of powdery paints、High-strength、Impact resistance、The performance of the aspects such as high-ductility，Powdery paints prepared by the present invention has the adhesive force of excellence、Hardness、Chemical resistance and physical and mechanical properties，Have the impact resistance of excellence concurrently simultaneously，Preparation method is simple，It is worthy to be popularized.
Detailed description of the invention
The powdery paints that a kind of impact resistance is high, is made up of the raw material of following weight portion (kilogram): polydimethylsiloxane 0.3, sodium silicate 1, saturated polyester resin 12, stainless steel powder 2, ground calcium carbonate 6, pottery ground-slag end 8, Benzoinum 1, dicyandiamide 3, zinc sulfide 1, boron carbide 3, aerosil 1, anti-scorching agent CTP 1, venamul 3, epoxy resin 90, phenolic resin 6, rare earth chloride 0.1, chitosan 15, polyvinyl alcohol 4.
The powdery paints that described a kind of impact resistance is high, is made up of step in detail below:
(1) by the sodium silicate water dissolution of 10 times amount, being subsequently adding stainless steel powder and boron carbide stirs, slight fever stirring is standby to forming sticky slurry；
(2) slurry prepared by step (1) is coated on the surface of ground calcium carbonate, is added in baking oven dry, is added to after cooling in venamul, standby after oven drying at low temperature；
(3) chitosan is dissolved in the acetic acid solution of 85%, it is 6% chitosan solution that magnetic agitation uniformly makes concentration, it is 8% solution that polyvinyl alcohol water dissolution is made concentration, it is heated to 80 DEG C, then chitosan solution is added in polyvinyl alcohol water solution, adding product ultrasonic disperse prepared by step (2) uniform, standing and defoaming obtains spinning solution；
(4) phenolic resin and rare earth chloride are mixed, heated and stirred reaction 10min, when reaction temperature is at 80 DEG C, constant temperature keeps 10min, then boiling it is heated to, under fluidized state, keep 3h, naturally cool to room temperature, then make, with the ethanol dilution of 75%, the novolac solution that concentration is 10%, it is then added to mixing and stirring in product prepared by step (3), prepares composite fibre through electrostatic spinning process standby；
(5) product epoxy resin, Benzoinum, dicyandiamide, saturated polyester resin and step (4) prepared puts in high mixer and stirs, by remaining surplus stock mixing flour to 100 mesh, continue to put in high speed machine and stir, finally by the material of mixing after 70-80 DEG C of preheating melting mixing 20-30min, it is cooled to room temperature, it is ground into the powder body that particle diameter is 20-35 μm again, finally carries out metering packing, discharging.
After powder coating solidification prepared by the use present invention, film performance is as follows:
Paint film appearance flat smooth, surface tinted is consistent, without granule, pin hole, bubble, wrinkle；Adhesive force reaches 1 grade；Salt-fog resistant test: 2000 hours without exception；Water absorption rate (5 days, 90 DEG C): 5.1%；Shock resistance is more than 50cm；Bending strength: 5mm.
Claims (2)
1. the powdery paints that an impact resistance is high, it is characterized in that, be made up of the raw material of following weight portion: polydimethylsiloxane 0.3-0.4, sodium silicate 1-2, saturated polyester resin 12-14, stainless steel powder 2-3, ground calcium carbonate 6-8, pottery ground-slag end 8-9, Benzoinum 1-2, dicyandiamide 3-4, zinc sulfide 1-2, boron carbide 3-4, aerosil 1-2, anti-scorching agent CTP 1-2, venamul 3-5, epoxy resin 90-100, phenolic resin 6-8, rare earth chloride 0.1-0.2, chitosan 15-18, polyvinyl alcohol 4-5.
The powdery paints that a kind of impact resistance is high, it is characterised in that be made up of step in detail below:
(1) by the sodium silicate water dissolution of 10-12 times amount, being subsequently adding stainless steel powder and boron carbide stirs, slight fever stirring is standby to forming sticky slurry；
(2) slurry prepared by step (1) is coated on the surface of ground calcium carbonate, is added in baking oven dry, is added to after cooling in venamul, standby after oven drying at low temperature；
(3) chitosan is dissolved in the acetic acid solution of 85%, it is 6-10% chitosan solution that magnetic agitation uniformly makes concentration, it is 8-10% solution that polyvinyl alcohol water dissolution is made concentration, it is heated to 80-85 DEG C, then chitosan solution is added in polyvinyl alcohol water solution, adding product ultrasonic disperse prepared by step (2) uniform, standing and defoaming obtains spinning solution；
(4) phenolic resin and rare earth chloride are mixed, heated and stirred reaction 10-15min, when reaction temperature is at 80-85 DEG C, constant temperature keeps 10-15min, then boiling it is heated to, under fluidized state, keep 3-4h, naturally cool to room temperature, then make, with the ethanol dilution of 75%, the novolac solution that concentration is 10-12%, it is then added to mixing and stirring in product prepared by step (3), prepares composite fibre through electrostatic spinning process standby；
(5) product epoxy resin, Benzoinum, dicyandiamide, saturated polyester resin and step (4) prepared puts in high mixer and stirs, by remaining surplus stock mixing flour to 100 mesh, continue to put in high speed machine and stir, finally by the material of mixing after 70-80 DEG C of preheating melting mixing 20-30min, it is cooled to room temperature, it is ground into the powder body that particle diameter is 20-35 μm again, finally carries out metering packing, discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977052.9A CN105985704A (en) | 2015-12-23 | 2015-12-23 | High-impact-resistance powder coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977052.9A CN105985704A (en) | 2015-12-23 | 2015-12-23 | High-impact-resistance powder coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105985704A true CN105985704A (en) | 2016-10-05 |
Family
ID=57040617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510977052.9A Withdrawn CN105985704A (en) | 2015-12-23 | 2015-12-23 | High-impact-resistance powder coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105985704A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810618A (en) * | 2019-01-23 | 2019-05-28 | 余姚市亚宇工贸有限公司 | A kind of modified polyester powder coating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131297A (en) * | 2013-02-03 | 2013-06-05 | 倪进培 | Powder coating with trioctyl trimellitate |
| CN104861840A (en) * | 2015-06-05 | 2015-08-26 | 霸州市金昌环保材料有限公司 | Thin spray powder coating and preparation method thereof |
| CN105062302A (en) * | 2015-07-22 | 2015-11-18 | 安徽圣德建材科技有限公司 | High-performance thermosetting epoxy resin powder coating |
-
2015
- 2015-12-23 CN CN201510977052.9A patent/CN105985704A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131297A (en) * | 2013-02-03 | 2013-06-05 | 倪进培 | Powder coating with trioctyl trimellitate |
| CN104861840A (en) * | 2015-06-05 | 2015-08-26 | 霸州市金昌环保材料有限公司 | Thin spray powder coating and preparation method thereof |
| CN105062302A (en) * | 2015-07-22 | 2015-11-18 | 安徽圣德建材科技有限公司 | High-performance thermosetting epoxy resin powder coating |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810618A (en) * | 2019-01-23 | 2019-05-28 | 余姚市亚宇工贸有限公司 | A kind of modified polyester powder coating and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102382552B (en) | Low temperature cured solvent-free epoxy anticorrosion paint and its preparation method | |
| CN101619189B (en) | Underwater solventless epoxy anti-corrosive coating and preparation method thereof | |
| CN105505115A (en) | Powder coating with high weather resistance and good decorative effect | |
| CN104059450B (en) | A kind of high temperature resistant heat radiation coating | |
| CN103571422B (en) | A kind of cloud stone glue | |
| CN105482626A (en) | Powder coating for metal plate | |
| CN103965820B (en) | High strength underwater structure glue and preparation method thereof | |
| CN105482627A (en) | Wear-resisting powder coating | |
| CN106380988A (en) | Anti-corrosion paint for aging-resistant environment-friendly solar water storage box | |
| CN105482629A (en) | Powder coating for aluminium profile | |
| CN103772903A (en) | Reinforcing glass fiber reinforced plastics coating material and preparation method thereof | |
| CN105482648A (en) | Anticorrosive and antirust powder coating for pipeline | |
| CN106867357B (en) | A kind of nanometer modified high-solid body divides epoxy primer | |
| CN105505114A (en) | High-temperature-resistant powder coating | |
| CN101519547B (en) | Aqueous double-component atomic ash and application thereof | |
| CN105505113A (en) | Powder coating with fireproofing and flame retarding effects | |
| CN105985704A (en) | High-impact-resistance powder coating | |
| CN112409868B (en) | Powder coating with ice flower texture effect | |
| CN103739268A (en) | Fiber composite material reinforced ceramic plate and preparation method thereof | |
| CN105482631A (en) | Powder coating having high binding force with instrument shell | |
| CN105482632A (en) | Powder coating with good heat conduction for pump valve | |
| CN105542618A (en) | Powder coating with high performance and high stability | |
| CN1724601A (en) | Antisticking corrosion-proof paint in the steam pipeline | |
| CN106189783A (en) | A kind of high tenacity coating for fender and preparation method thereof | |
| CN106118402A (en) | A kind of boats and ships anti-corrosive primer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161005 |