CN104212321B - Two component multifunctional type priming paint of PU and preparation method thereof - Google Patents
Two component multifunctional type priming paint of PU and preparation method thereof Download PDFInfo
- Publication number
- CN104212321B CN104212321B CN201410373895.3A CN201410373895A CN104212321B CN 104212321 B CN104212321 B CN 104212321B CN 201410373895 A CN201410373895 A CN 201410373895A CN 104212321 B CN104212321 B CN 104212321B
- Authority
- CN
- China
- Prior art keywords
- priming paint
- component
- multifunctional type
- component multifunctional
- type
- 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.)
- Active
Links
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses the two component multifunctional type priming paint of a kind of PU, adopt acryl resin and isocyanic ester to arrange in pairs or groups, with potassium aluminum silicate as stopping composition, strengthen the grinability of this kind of coating, hide sand paper trace and can improve and cover power; This coating has the functional of excellence, has good grinability, recoatability, online for product, can improve the yield of procedure for producing, reduces scrapping of material.The two component multifunctional type priming paint thickness easy to control of this PU, can increase the protectiveness of paint film to coating.The two component multifunctional type priming paint of PU provided by the invention, wear resistance, scratch resistance are excellent, provide good storage conditions; High rigidity, high tenacity, there is excellent bent tropism; Chemical resistance is good; Low-shrinkage, not yielding; Surface luster adjustable, Gao Guang, delustring all can; The two component multifunctional type primer system of PU also can carry out mixing colours, making the selectivity of color more diversified.
Description
Technical field
The present invention relates to a kind of primer base, especially relate to the two component multifunctional type priming paint of a kind of PU, belong to chemistry painting industry product technical field.
Background technology
The outward appearance of product has the main flow that unique and aesthetic feeling has become society's pursuit now, especially a series of plasthetics such as mobile phone, computer, notebook, mouse, and its visual appearance is even more important.Material kind gets more and more both at home and abroad at present, the Forming Quality of material is uneven, a lot of material is caused to have flaw, so in order to solve the problem on material, need to solve this problem by spray-applied primer, priming paint needs good joint filling, shielding, the defect on irregular material or material could be covered.Traditional coating is being coated to after on the said products, and the not only low easy distortion of toughness, wear resistance, scratch resistance are poor, be easy to occur cut or breakage, badly influence the outward appearance of product, and the glossiness on surface is very low, be difficult to the needs meeting user.
Summary of the invention
Object: in order to overcome the deficiencies in the prior art, the invention provides the two component multifunctional type priming paint of a kind of PU, there is high briliancy high chroma, excellent high-wearing feature, ethanol-tolerant is to test with resistance to RCA, and to meet the Performance Detection needed for 3C industry, and volume production is convenient, can use with existing coating equipment, must additionally not change or increase equipment.The two component multifunctional type priming paint of this PU can be mixed colours, and be coated on the outward appearance that variant production is required, the change along with color can not affect excellent high-wearing feature, and ethanol-tolerant and resistance to RCA test, to meet the Performance Detection needed for 3C industry.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
The two component multifunctional type priming paint of a kind of PU, is characterized in that: the two component multifunctional type priming paint of described PU, and the mass percentage comprising following component and each component is respectively:
Described acryl resin is polyurethane-type, polyester type or pure acrylic acid type oligomer;
Described flow agent is the oligopolymer of inorganic how rice sex change, is polyurethane-type, polyester type or pure acrylic acid type oligomer, includes Si, Zn, Zr inorganic compounding structure;
Described stopping composition is potassium aluminum silicate.
Described special painted color is be scattered here and there in Acrylic Acid Monomer carbon black or titanium dioxide.
Preferably, described organic solvent is n-butyl acetate, ethyl acetate.
Preferably, the two component multifunctional type priming paint of described PU, is characterized in that: described acryl resin is (CASNO.9003-01-4) polyacrylic resin.
The two component multifunctional type priming paint of described PU, be the assorted liquid of one, the proportion of 25 DEG C is 0.95 ~ 1.0, and second, the viscosity of 25 ± 1 DEG C was 30 ~ 80 seconds, and solid part is 25 ~ 35%.
The present invention also provides a kind of PU preparation method of two component multifunctional type priming paint, comprise the following steps: first, acryl resin and flow agent, stopping composition, organic solvent carry out high speed dispersion according to after proportioning mixing, then grind, wherein grinding temperature is lower than 60 degree, grind the special painted color of rear interpolation and carried out mixing color, added isocyanic ester during client's application on site and react as stiffening agent and acryl resin.
As more preferably, can following steps be comprised:
Step one, first get 50-54% acryl resin, add flow agent (high molecular weight dispersant) and the 10-15% organic solvent of 1-1.5%, the dispersed 10-15 minute of middling speed;
Step 2, by stopping composition (potassium aluminum silicate), slowly throw in the obtained mixture of step one, high-speed uniform dispersion 10-15 minute;
Step 3, mixture obtained for step 2 is crossed shredder, stopping composition is milled to fineness and is less than 10um;
Step 4, add special painted color, cross grinder one time fast, guarantee that the fineness of coating is less than 10um;
Step 5, join paint, after acryl resin remaining part divided, flow agent and organic solvent drop into, the dispersed 10-15 minute of middling speed.
Beneficial effect: the two component multifunctional type priming paint of PU provided by the invention, obtains final coating by after acryl resin and isocyanate reaction; Adopt acryl resin and isocyanic ester to arrange in pairs or groups, with potassium aluminum silicate as stopping composition, strengthen the grinability of this kind of coating, hide sand paper trace and can improve and cover power; This coating has the functional of excellence, has good grinability, recoatability, online for product, can improve the yield of procedure for producing, reduces scrapping of material.The two component multifunctional type priming paint thickness easy to control of this PU, can increase the protectiveness of paint film to coating.The two component multifunctional type priming paint of PU provided by the invention, has excellent chemical-resistant, and all right recoat, improve and produce online yield; Hide flaw effect good, so very useful to product online raising yield.This type coating adopts acryl resin (CASNO.9003-01-4) and isocyanic ester (CASNO.28182-81-2) to arrange in pairs or groups, with potassium aluminum silicate as stopping composition.Manufacturing process is that 60 DEG C of bakings can be rolled off the production line for 30 minutes, add roasting eight hours again, physical property measurement can be done and along with the development of technology and the exploitation of various material, the outward appearance of product has uniqueness and aesthetic feeling has become the social main flow pursued now, especially a series of plasthetics such as mobile phone, computer, notebook, mouse, its visual appearance is even more important.
In sum: the two component multifunctional type priming paint of PU provided by the invention, wear resistance, scratch resistance are excellent, provide good storage conditions (meeting the specification of 3C coating circle); High rigidity, high tenacity, there is excellent bent tropism (meeting the specification of 3C coating circle); Chemical resistance good (meeting the specification of 3C coating circle); Low-shrinkage, not yielding; Surface luster adjustable, Gao Guang, delustring all can; The two component multifunctional type primer system of PU also can carry out mixing colours, making the selectivity of color more diversified.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
1, production unit: this coating is in the process of producing, be applied to the coating sand mill circulation fluid system and device (patent No.: 201120546097.8), effectively can adjust the effect of dispersion, also can control lower dispersion temperature, coating is dispersibled and evenly allows coating have finer and smoother effect, and dispersion effect is good, can allow black grinding out more careful, blackness is more black, easily meets customer demand.
Multi-functional dispersion machine
Explosion-proof baking box
2. operational path
(1) scope of application of base material: ABS plastic, ABS+PC, PC plastics ... Deng
(2) process parameter
(3) application mode
| Spray gun bore | 1.3-1.5mm |
| Spray pressure | 3.0-5.0Kgf/cm 2 |
| Spray gun and painting object distance | 20-30cm |
| Standard film thickness | 14-18μm |
(4) baking condition
The two component blackwash of PU: 60 ± 5 DEG C × 8Hrs → complete.
Below in conjunction with specific embodiment, describe the specific embodiment of the present invention in detail:
Selection: acryl resin is polyurethane-type, polyester type or pure acrylic acid type oligomer; The oligopolymer of inorganic how rice sex change is polyurethane-type or polyester type or pure acrylic acid type, includes the inorganic compounding structures such as Si, Zn, Zr; Stopping composition is ultra tiny potassium aluminum silicate.
Embodiment 1: mass percentage is respectively the acryl resin of 55%, 3% the oligopolymer of inorganic how rice sex change, 22% organic solvent, carry out high speed dispersion after 15% potassium aluminum silicate mixing, then grind, wherein grinding temperature is lower than 60 degree, ground rear interpolation mass percentage be 5% special painted color carry out mixing color.
Embodiment 2: mass percentage is respectively the acryl resin of 65%, 3% the oligopolymer of inorganic how rice sex change, 12% organic solvent, carry out high speed dispersion after 15% potassium aluminum silicate mixing, then grind, wherein grinding temperature is lower than 60 degree, ground rear mass percentage be 5% the special painted color of interpolation carry out mixing color.
Embodiment 3: mass percentage is respectively the acryl resin of 60%, 3.5% the oligopolymer of inorganic how rice sex change, 13% organic solvent, carry out high speed dispersion after 15.5% potassium aluminum silicate mixing, then grind, wherein grinding temperature is lower than 60 degree, ground rear mass percentage be 8% the special painted color of interpolation carry out mixing color.
Embodiment 4: mass percentage is respectively the acryl resin of 58%, 3% the oligopolymer of inorganic how rice sex change, 12% organic solvent, carry out high speed dispersion after 17% potassium aluminum silicate mixing, then grind, wherein grinding temperature is lower than 60 degree, ground rear mass percentage be 10% the special painted color of interpolation carry out mixing color.
Adopt the two component multifunctional type priming paint of the PU of 4 above-mentioned embodiment film forming, be sprayed in ABS+PC material, first the surface of ABS+PC material is spent stain oil clean, then under the condition of 60 DEG C, spray the two component multifunctional type priming paint of PU, then be cured, leave standstill cooling 30min, form required film thickness.
The performance of the two component multifunctional type priming paint of above-mentioned PU is as follows: this coating has the chemical-resistant of excellence in addition, and all right recoat, covering flaw effect are good, so very useful to product online raising yield.Manufacturing process is that 60 DEG C of bakings can be rolled off the production line for 30 minutes, then adds roasting eight hours, can do physical property measurement.Physical property measurement, alcohol screen test 500g*1000 time, rubber test 500g*1000 time, hardness 500g*H, because the result of this physical property measurement is very helpful for coating protection.
The two component multifunctional type priming paint of test result from above-mentioned: PU in actual applications; not only operate simple and easy; and can fast setting; the surface of the product sprayed is made to have special-effect; and wear resistance, scoring resistance are excellent; there is the bent tropism of high rigidity, high tenacity, low-shrinkage and excellence; not yielding; in addition; its chemical resistance is good; extensively can send out plasthetics such as being applied to mobile phone, notebook, computer, sliding mouse, to the protection of product and beautifying of outward appearance, there is excellent help.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. the two component multifunctional type priming paint of PU, is characterized in that: the two component multifunctional type priming paint of described PU, and the mass percentage comprising following component and each component is respectively:
Acryl resin 55-65%;
Flow agent 3-3.5%;
Stopping composition 15-17%;
Special painted color 5-10%;
Organic solvent 12-22%;
Described acryl resin is polyurethane-type, polyester type or pure acrylic acid type oligomer;
Described flow agent is the oligopolymer of inorganic how rice sex change, is polyurethane-type, polyester type or pure acrylic acid type oligomer, includes Si, Zn, Zr inorganic compounding structure;
Described stopping composition is potassium aluminum silicate;
Described special painted color is be scattered here and there in Acrylic Acid Monomer carbon black or titanium dioxide;
The two component multifunctional type priming paint of described PU is the assorted liquid of one, and the proportion of 25 DEG C is the viscosity of 0.95 ~ 1.0,25 ± 1 DEG C is 30 ~ 80 seconds, and solid part is 25 ~ 35%.
2. the two component multifunctional type priming paint of PU according to claim 1, is characterized in that: described organic solvent is n-butyl acetate, ethyl acetate.
3. the two component multifunctional type priming paint of PU according to claim 1, is characterized in that: described acryl resin is polyacrylic resin.
4. the preparation method of the two component multifunctional type priming paint of PU as claimed in claim 1, comprise the following steps: first, acryl resin and flow agent, stopping composition, organic solvent carry out high speed dispersion according to after proportioning mixing, then grind, wherein grinding temperature is lower than 60 degree, grind the special painted color of rear interpolation and carried out mixing color, added isocyanic ester during client's application on site and react as stiffening agent and acryl resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373895.3A CN104212321B (en) | 2014-07-31 | 2014-07-31 | Two component multifunctional type priming paint of PU and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373895.3A CN104212321B (en) | 2014-07-31 | 2014-07-31 | Two component multifunctional type priming paint of PU and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104212321A CN104212321A (en) | 2014-12-17 |
| CN104212321B true CN104212321B (en) | 2016-04-20 |
Family
ID=52094243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410373895.3A Active CN104212321B (en) | 2014-07-31 | 2014-07-31 | Two component multifunctional type priming paint of PU and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104212321B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106318172A (en) * | 2015-07-09 | 2017-01-11 | 黄光耀 | Solvent-borne coating and main agents, hardening agent and preparation method and coating method of coating |
| CN105646839A (en) * | 2016-03-24 | 2016-06-08 | 威海市海王旋流器有限公司 | Polyurethane elastomer for fine wear-resistant screen mesh and preparation method of polyurethane elastomer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3316550C2 (en) * | 1983-05-03 | 1985-07-25 | Chemulack Chemische- Und Lackfabrik Gmbh & Co Kg, 1000 Berlin | Process for priming plastics |
| CN100543096C (en) * | 2008-09-12 | 2009-09-23 | 深圳市美丽华油墨涂料有限公司 | Disposable spray finishing is with coating and purposes |
| CN100577755C (en) * | 2008-12-10 | 2010-01-06 | 深圳市嘉卓成科技发展有限公司 | Double-component polyurethane coating and production method and construction method |
| CN102311673B (en) * | 2011-07-26 | 2013-07-03 | 昆山市大地化工新技术开发有限公司 | Ultraviolet (UV) coating capable of forming porcelain lines automatically and production method thereof |
| CN102898938B (en) * | 2012-11-20 | 2014-11-19 | 成都展辰化工有限公司 | White paint special for polyurethane hard expanded polystyrene |
| CN102977756B (en) * | 2012-11-23 | 2015-04-29 | 广州擎天材料科技有限公司 | Double-component ground coating matched with ultraviolet (UV) coating for coating notebook computer plastic case |
-
2014
- 2014-07-31 CN CN201410373895.3A patent/CN104212321B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104212321A (en) | 2014-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102020916B (en) | Nitrocellulose varnish and preparation method thereof | |
| CN103013325A (en) | Preparation method of scratch-resistant polyurethane matt black finish for woodware | |
| CN101298530B (en) | Fluorine carbon silver powder baking finish and preparation thereof, special diluting agent and use method thereof | |
| CN103819987B (en) | A kind of water-based organic/inorganic heterozygosis plastic coating and preparation method thereof | |
| CN104610820A (en) | Water-based crack lacquer as well as preparation method and construction method thereof | |
| CN102816487A (en) | Silver priming paint of 1K silver powder containing automobile refinishing coating and preparation method thereof | |
| CN105131824B (en) | A kind of automation paint woodenware polyurethane matte finish paint and preparation method thereof | |
| CN109181486A (en) | A kind of epoxy primer and preparation method thereof of low VOC | |
| CN105969132A (en) | Sanding-free high-fullness unsaturated polyester white primer and preparation method thereof | |
| CN104817946A (en) | Single-component water-based wood paint | |
| CN107083138A (en) | A kind of glass wine bottle base material water soluble acrylic acid amido coatings soaked based on resistance to wine | |
| CN102757698B (en) | Low-VOC (Volatile Organic Compounds) nitrolacquer | |
| CN103305113B (en) | The special clear priming paint of a kind of anti-sag PU and manufacture method thereof | |
| CN108129969A (en) | A kind of city rail vehicle and the special 2K acroleic acid polyurethanes flash metal luster background color coating of the inside and outside decorations of locomotive and preparation method | |
| CN104212321B (en) | Two component multifunctional type priming paint of PU and preparation method thereof | |
| CN103232796A (en) | Quick-drying anticorrosive dipping prime paint with low viscosity as well as preparation and application method thereof | |
| CN101323755A (en) | Quick-drying primer for battle cap | |
| CN104530868B (en) | A kind of aqueous, environmental protective glass lacquer and preparation method thereof | |
| CN109233541A (en) | A kind of aqueous steel drum chromatography baking vanish and preparation method and spraying method | |
| CN105733390A (en) | Water-based two-component transparent finish paint for PP plastic and preparation method of finish paint | |
| CN102746747B (en) | Nitro-wear resistant matte black paint | |
| CN109666380B (en) | Water-based amino sand grain baking paint for aluminum products and preparation method thereof | |
| CN103709918A (en) | Scratch-resistant and weather-resistant polyurethane (PU) bright black finishing coat | |
| CN102618139A (en) | Water-based paint for painting bottles | |
| CN108300230B (en) | Water-based environment-friendly new material for replacing PET (polyethylene terephthalate) matte film and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |