CN113025190A - Polyurethane filled type seal primer and preparation method thereof - Google Patents
Polyurethane filled type seal primer and preparation method thereof Download PDFInfo
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- CN113025190A CN113025190A CN202110370671.7A CN202110370671A CN113025190A CN 113025190 A CN113025190 A CN 113025190A CN 202110370671 A CN202110370671 A CN 202110370671A CN 113025190 A CN113025190 A CN 113025190A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- C09D5/002—Priming paints
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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
- C09D7/20—Diluents or solvents
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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
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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)
- Paints Or Removers (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention relates to a polyurethane filled type seal primer, which consists of a main paint, a curing agent and a diluent, wherein the main paint comprises the following components in parts by mass: alkyd resin, filler, an anti-settling auxiliary agent polishing auxiliary agent, an anti-settling dispersing agent, a drying auxiliary agent, a defoaming auxiliary agent and an organic solvent; the curing agent is a mixture of toluene diisocyanate curing agent and butyl acetate; the diluent is a mixture of butyl acetate and propylene glycol methyl ether acetate which are respectively mixed into the main paint, the curing agent and the diluent. The invention has the beneficial effects that: the polyurethane filling type seal primer obtained by the invention adopts a resin system with a certain amount of hydroxyl, has good substrate sealing effect on coated wood, can play good filling property and collapse resistance, and effectively improves the coating aesthetic property.
Description
Technical Field
The invention belongs to the technical field of primer processing, and particularly relates to a polyurethane filled type seal primer and a preparation method thereof.
Background
The primer is the first layer of the paint system and is used for improving the adhesive force of the finish paint, increasing the fullness of the finish paint, providing filling property, providing functions of collapse resistance, sealing property and the like, and simultaneously ensuring the finish paint to be flat and uniform so as to ensure the paint system to exert the best effect. The primer can be omitted when the finish paint has good quality, and the finish paint has different functions from the primer, so that the finish paint is more focused on the final decoration and appearance effect, and the primer is focused on improving the adhesive force, the collapse resistance function, the filling property, the sealing property and the like.
Primer refers to a coating that is applied directly to the surface of an object as a solid foundation for a topcoat. The wood is required to be firmly attached to increase the adhesive force of the upper coating and improve the decoration of the finish. The primer can be divided into a first primer and a second primer according to the coating requirements, and the polyurethane filling type seal primer belongs to the first primer.
The primer coat used in the market is basically a general seal coat, has good sealing effect but no filling property, and basically has no effect of increasing the thickness of a coating paint film. The conventional filler can fill wood pores, but has poor sealing property, so that the moisture leakage of wood at the later stage is influenced, the transparency of a paint film is reduced, and the undesirable phenomena of whitening and the like are easily generated. The filling agent can only be applied by a single construction method of kneading and rubbing, the construction efficiency is low, the filling agent is only suitable for plane construction and is not suitable for special-shaped and carving construction methods, the production efficiency is greatly reduced, the production cost is increased, and the problem of flow-type rapid production of products cannot be solved.
In addition, although the water ash used in the market can also fill wood eyes, the cost is low, the operation is convenient and the construction is simple, but the water ash has no sealing effect on wood, the dust is very large during grinding, the air pollution and the environment are influenced to the greatest extent, the problems of bottom biting and bottom returning are easily caused, a large amount of particles are generated on the sprayed primer or finish, the hand feeling and the effect are seriously influenced, and the water ash is the worst product with the greatest influence on the whole coating quality and the production environment.
The polyurethane filled seal primer integrates the advantages of seal primer, filler and water ash, has good seal and filling properties, and can reduce the comprehensive coating cost. The polyurethane filling type seal primer product has very obvious practical effect, is more convenient, quicker and more environment-friendly in site operation, and has better paint film effect.
In view of this, this patent is filed.
Disclosure of Invention
The problems of the prior art are solved, the requirements of site construction on products such as wide capacity (spraying, wiping and brushing), filling property, sealing effect and the like are integrated, and the problems of high possibility of bottom biting and bottom turning and particle rising, high grinding dust and high air pollution in the existing water ash coating are particularly solved. The polyurethane filling type seal primer can solve the problem of poor water ash coating, so that a paint film can generate filling and sealing effects at the same time, the product quality is improved, the process flow can be improved and reduced, the working efficiency is improved, the production cycle time is shortened, the production cost is reduced, the waste gas pollution can be greatly reduced, the VOC emission is reduced, and the environment is purified.
The invention aims to provide a polyurethane filled type seal coat.
It is a further object of the present invention to provide a method for preparing the polyurethane-filled basecoat.
The polyurethane filled type seal primer is composed of a main paint, a curing agent and a diluent, wherein the main paint comprises the following components in parts by mass: 40-60 parts of alkyd resin, 40-60 parts of filler, 1-5 parts of anti-settling auxiliary agent, 1-2 parts of grinding auxiliary agent, 1-2 parts of anti-settling dispersant, 0.1-0.5 part of drying auxiliary agent, 0.1-0.5 part of defoaming auxiliary agent and 10-20 parts of organic solvent; the curing agent is a mixture of 40-60 parts of toluene diisocyanate curing agent and 40-60 parts of butyl acetate; the diluent is a mixture of 40-60 parts of butyl acetate and 40-60 parts of propylene glycol methyl ether acetate.
The polyurethane filled primer according to the embodiment of the present invention further comprises a short oil alkyd resin, preferably, the alkyd resin has a hydroxyl value of 110, and the alkyd resin has a solid content of 70%.
According to the polyurethane filled type seal primer of the embodiment of the invention, further, the curing agent is a mixture of 50 parts of toluene diisocyanate curing agent and 50 parts of butyl acetate; the diluent is a mixture of 50 parts of butyl acetate and 50 parts of propylene glycol methyl ether acetate.
According to the polyurethane filled type seal primer of the embodiment of the invention, further, the filler is talcum powder.
According to the polyurethane filled type seal primer of the embodiment of the invention, further, the anti-settling auxiliary agent is one or more of bentonite, fumed silica and polyamide wax.
According to the polyurethane filled type seal primer of the embodiment of the invention, further, the anti-settling dispersant is a high molecular weight modified acrylic copolymer.
According to the polyurethane filled type seal primer of the embodiment of the invention, further, the grinding aid is zinc stearate.
According to the polyurethane filled type seal primer of the embodiment of the invention, further, the drying assistant is dibutyltin dilaurate.
According to the polyurethane filled type seal primer of the embodiment of the invention, further, the defoaming agent is organic silicon type modified acrylic acid copolymer.
According to the polyurethane filled type seal primer of the embodiment of the invention, further, the organic solvent is butyl acetate.
A method of preparing a polyurethane-filled basecoat according to embodiments of the present invention, the method comprising the steps of:
(1) preparing a main paint: weighing alkyd resin, filler, anti-settling auxiliary agent, polishing auxiliary agent, anti-settling dispersing agent, drying auxiliary agent, defoaming auxiliary agent and organic solvent according to the mass ratio; adding alkyd resin, an anti-settling auxiliary agent, a filler and a polishing auxiliary agent into a reaction container, and stirring and dispersing at the rotating speed of 1000-1200 rpm for 20min to obtain a mixture A; dropwise adding a defoaming agent and a drying assistant into the mixture A while stirring, wherein the stirring speed is 600-8000 rpm, and stopping stirring after dropwise adding is finished to obtain a mixture B; adding an organic solvent into the mixture B, and continuously stirring and dispersing at the rotating speed of 800-1000 rpm for 10min to obtain a main paint; (2) preparing a curing agent: weighing a toluene diisocyanate curing agent and butyl acetate according to the mass ratio, stirring and mixing the toluene diisocyanate curing agent and the butyl acetate, and reacting to obtain a curing agent; preferably, the stirring and mixing are carried out for 15min at the rotating speed of 500 rpm;
(3) preparing a diluent: weighing butyl acetate and propylene glycol methyl ether acetate according to the mass ratio, stirring, mixing and reacting the butyl acetate and the propylene glycol methyl ether acetate to obtain the diluent.
Preferably, in the step (1), the dropping speed is 10 mL/min.
Compared with the prior art, the invention has the following beneficial effects:
(1) the polyurethane filling type seal primer obtained by the invention adopts a resin system with a certain amount of hydroxyl, has good substrate sealing and wetting effects on coated wood, can play good filling and collapse resistance, and effectively improves the coating attractiveness;
(2) the polyurethane filling type seal primer can effectively solve the problems of bottom biting, bottom returning and particle rising caused by water ash coating, improves the product quality, can simultaneously play a role in filling and sealing wood, is constructed by methods such as wiping, brushing, spraying and the like, has wider applicability, and is suitable for construction processes of different products, different environments and different requirements;
(3) the polyurethane filling type seal primer can improve the process flow, improve the working efficiency, shorten the production cycle time and reduce the production cost; reduce waste gas pollution, reduce VOC emission and purify the environment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In some more specific embodiments, the polyurethane filled type seal primer is composed of a main paint, a curing agent and a diluent, wherein the main paint comprises the following components in parts by mass: 40-60 parts of alkyd resin, 40-60 parts of filler, 1-5 parts of anti-settling auxiliary agent, 1-2 parts of grinding auxiliary agent, 1-2 parts of anti-settling dispersant, 0.1-0.5 part of drying auxiliary agent, 0.1-0.5 part of defoaming auxiliary agent and 10-20 parts of organic solvent; the curing agent is a mixture of 40-60 parts of toluene diisocyanate curing agent and 40-60 parts of butyl acetate; the anti-settling alkyd resin is a mixture of 40-60 parts of butyl acetate and 40-60 parts of propylene glycol methyl ether acetate, the alkyd resin is short-oil alkyd resin, preferably, the alkyd resin has a hydroxyl value of 110, the solid content of the alkyd resin is 70%, the filler is talcum powder and/or transparent powder, the anti-settling auxiliary agent is one or more of bentonite, fumed silica and polyamide wax, the anti-settling dispersing agent is a high-molecular-weight modified acrylic copolymer, the polishing auxiliary agent is zinc octadecanoate, the drying auxiliary agent is dibutyltin dilaurate, the defoaming agent is an organic silicon type modified acrylic copolymer, and the organic solvent is butyl acetate.
A method of making the polyurethane-filled basecoat, the method comprising the steps of:
(1) preparing a main paint: weighing alkyd resin, filler, anti-settling auxiliary agent, polishing auxiliary agent, anti-settling dispersing agent, drying auxiliary agent, defoaming auxiliary agent and organic solvent according to the mass ratio; adding alkyd resin, an anti-settling auxiliary agent, a filler and a polishing auxiliary agent into a reaction container, and stirring and dispersing at the rotating speed of 1000-1200 rpm for 20min to obtain a mixture A; dropwise adding a defoaming agent and a drying assistant into the mixture A while stirring, wherein the stirring speed is 600-8000 rpm, and stopping stirring after dropwise adding is finished to obtain a mixture B; adding an organic solvent into the mixture B, and continuously stirring and dispersing at the rotating speed of 800-1000 rpm for 10min to obtain a main paint; preferably, the dropping speed is 10 mL/min;
(2) preparing a curing agent: weighing a toluene diisocyanate curing agent and butyl acetate according to the mass ratio, stirring and mixing the toluene diisocyanate curing agent and the butyl acetate, and reacting to obtain a curing agent; preferably, the stirring and mixing are carried out for 15min at the rotating speed of 500 rpm;
(3) preparing a diluent: weighing butyl acetate and propylene glycol methyl ether acetate according to the mass ratio, stirring, mixing and reacting the butyl acetate and the propylene glycol methyl ether acetate to obtain the diluent.
Example 1
The embodiment provides a polyurethane filled type seal primer, which is composed of a main paint, a curing agent and a diluent, wherein the main paint comprises the following components in parts by mass: 40 parts of alkyd resin, 40 parts of filler, 1 part of anti-settling additive, 1 part of grinding additive, 1 part of anti-settling dispersant, 0.1 part of drying additive, 0.1 part of defoaming additive and 10 parts of organic solvent; the curing agent is 50 parts of toluene diisocyanate curing agent and 50 parts of butyl acetate; the diluent is 50 parts of butyl acetate and 50 parts of propylene glycol methyl ether acetate;
a method of preparing a polyurethane-filled basecoat, comprising the steps of:
(1) preparation of the Main Lacquer
a. Weighing the following raw materials, by mass, 40 parts of alkyd resin, 40 parts of filler, 1 part of anti-settling auxiliary agent, 1 part of grinding auxiliary agent, 1 part of anti-settling dispersant, 0.1 part of drying auxiliary agent, 0.1 part of defoaming auxiliary agent and 10 parts of organic solvent;
b. adding alkyd resin, an anti-settling auxiliary agent, a filler and a polishing auxiliary agent into a reaction container, and stirring and dispersing at the rotating speed of 1000-1200 rpm for 20min to obtain a mixture A;
c. dropwise adding a defoaming agent and a drying assistant into the mixture A while stirring, wherein the dropwise adding speed is 10mL/min, the stirring speed is 600-8000 rpm, and after dropwise adding is finished, stopping stirring to obtain a mixture B;
d. adding an organic solvent into the mixture B, and continuously stirring and dispersing at the rotating speed of 800-1000 rpm for 10min to obtain a main paint;
(2) preparation of the curing agent
Adding 50 parts of toluene diisocyanate curing agent and 50 parts of butyl acetate into a reaction vessel according to the mass percentage, and stirring for 15min at the rotating speed of 500rpm to obtain the curing agent;
(3) preparation of the Diluent
Mixing 50 parts of butyl acetate and 50 parts of propylene glycol methyl ether acetate according to mass percentage to obtain the diluent.
Example 2
The embodiment provides a polyurethane filled type seal primer, which is composed of a main paint, a curing agent and a diluent, wherein the main paint comprises the following components in parts by mass: 50 parts of alkyd resin, 50 parts of filler, 2 parts of anti-settling additive, 2 parts of grinding additive, 2 parts of anti-settling dispersant, 0.2 part of drying additive, 0.3 part of defoaming additive and 15 parts of organic solvent; the curing agent is 50 parts of toluene diisocyanate curing agent and 50 parts of butyl acetate; the diluent is 50 parts of butyl acetate and 50 parts of propylene glycol methyl ether acetate;
a method of preparing a polyurethane-filled basecoat, comprising the steps of:
(1) preparation of the Main Lacquer
a. Weighing the following raw materials, by mass, 50 parts of alkyd resin, 50 parts of filler, 2 parts of anti-settling auxiliary agent, 2 parts of grinding auxiliary agent, 2 parts of anti-settling dispersant, 0.2 part of drying auxiliary agent, 0.3 part of defoaming auxiliary agent and 15 parts of organic solvent;
b. adding alkyd resin, an anti-settling auxiliary agent, a filler and a polishing auxiliary agent into a reaction container, and stirring and dispersing at the rotating speed of 1000-1200 rpm for 20min to obtain a mixture A;
c. dropwise adding a defoaming agent and a drying assistant into the mixture A while stirring, wherein the dropwise adding speed is 10mL/min, the stirring speed is 600-8000 rpm, and after dropwise adding is finished, stopping stirring to obtain a mixture B;
d. adding an organic solvent into the mixture B, and continuously stirring and dispersing at the rotating speed of 800-1000 rpm for 10min to obtain a main paint;
(2) preparation of the curing agent
Adding 50 parts of toluene diisocyanate curing agent and 50 parts of butyl acetate into a reaction vessel according to the mass percentage, and stirring for 15min at the rotating speed of 500rpm to obtain the curing agent.
(3) Preparation of the Diluent
Mixing 50 parts of butyl acetate and 50 parts of propylene glycol methyl ether acetate according to mass percentage to obtain the diluent.
Example 3
A method of preparing a polyurethane-filled basecoat, comprising the steps of:
(1) preparation of the Main Lacquer
a. The raw materials are weighed according to the following mass percentage, 60 parts of alkyd resin, 60 parts of filler, 3 parts of anti-settling auxiliary agent, 2 parts of grinding auxiliary agent, 2 parts of anti-settling dispersant, 0.3 part of drying auxiliary agent, 0.5 part of defoaming auxiliary agent and 20 parts of organic solvent;
b. adding alkyd resin, an anti-settling auxiliary agent, a filler and a polishing auxiliary agent into a reaction container, and stirring and dispersing at the rotating speed of 1000-1200 rpm for 20min to obtain a mixture A;
c. dropwise adding a defoaming agent and a drying assistant into the mixture A while stirring, wherein the dropwise adding speed is 10mL/min, the stirring speed is 600-8000 rpm, and after dropwise adding is finished, stopping stirring to obtain a mixture B;
d. adding an organic solvent into the mixture B, and continuously stirring and dispersing at the rotating speed of 800-1000 rpm for 10min to obtain a main paint;
(2) preparation of the curing agent
Adding 50 parts of toluene diisocyanate curing agent and 50 parts of butyl acetate into a reaction vessel according to the mass percentage, and stirring for 15min at the rotating speed of 500rpm to obtain the curing agent.
(3) Preparation of the Diluent
Mixing 50 parts of butyl acetate and 50 parts of propylene glycol methyl ether acetate according to mass percentage to obtain the diluent.
Performance testing
The 3 embodiments are used for wiping, brushing and spraying the novel polyurethane filled seal primer on the surface of the woodware under the condition of normal temperature, and the natural drying construction effective period is 4 h.
The construction process comprises the following steps: 1. wiping, spraying and brushing the polyurethane filled type seal primer; 2. spraying PU transparent paint; 3. spraying PU transparent paint; 4. spraying PU transparent paint; 5. and spraying PU clear finish.
The results of comparing the properties of the novel polyurethane filled sealer of the present invention with commercially available fillers, sealers, water ash samples are shown in table 1 below:
TABLE 1 comparison of the effect of the water-lime, fillers, and sealer primers
The test result shows that the polyurethane filling type seal primer can effectively solve the phenomenon of bottom biting and particle rising caused by water ash coating. The polyurethane filled type seal primer prepared by 3 examples not only has excellent filling property and sealing property, but also does not have the phenomenon of poor paint film. Therefore, the polyurethane filling type seal primer disclosed by the invention has excellent filling and sealing effects and strong collapse resistance, effectively solves the phenomenon of water ash rising particles, reduces the comprehensive cost and enables the surface of furniture to be more attractive.
The using method comprises the following steps: the painted part is cleaned, the main paint, the curing agent and the diluent are mixed according to the actual construction requirement on site according to a certain proportion, and construction is carried out by methods such as wiping, brushing, spraying and the like.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The polyurethane filled type seal primer is characterized by consisting of a main paint, a curing agent and a diluent, wherein the main paint comprises the following components in parts by mass: 40-60 parts of alkyd resin, 40-60 parts of filler, 1-5 parts of anti-settling auxiliary agent, 1-2 parts of grinding auxiliary agent, 1-2 parts of anti-settling dispersant, 0.1-0.5 part of drying auxiliary agent, 0.1-0.5 part of defoaming auxiliary agent and 10-20 parts of organic solvent; the curing agent is a mixture of 40-60 parts of toluene diisocyanate curing agent and 40-60 parts of butyl acetate; the diluent is a mixture of 40-60 parts of butyl acetate and 40-60 parts of propylene glycol methyl ether acetate.
2. The polyurethane-filled basecoat according to claim 1 wherein said alkyd resin is a short oil alkyd resin, preferably said alkyd resin has a hydroxyl number of 110 and said alkyd resin has a solids content of 70%.
3. The polyurethane-filled basecoat of claim 1 wherein said filler is talc.
4. The polyurethane-filled shop primer according to claim 1, wherein the anti-settling additive is one or more of bentonite, fumed silica, and polyamide wax.
5. The polyurethane-filled basecoat of claim 1 wherein said anti-settling dispersant is a high molecular weight modified acrylic copolymer.
6. The polyurethane-filled basecoat of claim 1 wherein said sanding aid is zinc stearate.
7. The polyurethane-filled basecoat of claim 1 wherein said drying aid is dibutyltin dilaurate.
8. The polyurethane-filled basecoat of claim 1 wherein said defoamer is a silicone-based modified acrylic copolymer.
9. The polyurethane-filled basecoat of claim 1 wherein said organic solvent is butyl acetate.
10. A method of preparing the polyurethane-filled basecoat of any of claims 1 to 9, said method comprising the steps of:
(1) preparing a main paint: weighing alkyd resin, filler, anti-settling auxiliary agent, polishing auxiliary agent, anti-settling dispersing agent, drying auxiliary agent, defoaming auxiliary agent and organic solvent according to the mass ratio; adding alkyd resin, an anti-settling auxiliary agent, a filler and a polishing auxiliary agent into a reaction container, and stirring and dispersing at the rotating speed of 1000-1200 rpm for 20min to obtain a mixture A; dropwise adding a defoaming agent and a drying assistant into the mixture A while stirring, wherein the stirring speed is 600-8000 rpm, and stopping stirring after dropwise adding is finished to obtain a mixture B; adding an organic solvent into the mixture B, and continuously stirring and dispersing at the rotating speed of 800-1000 rpm for 10min to obtain a main paint; preferably, the dropping speed is 10 mL/min;
(2) preparing a curing agent: weighing a toluene diisocyanate curing agent and butyl acetate according to the mass ratio, stirring and mixing the toluene diisocyanate curing agent and the butyl acetate, and reacting to obtain a curing agent; preferably, the stirring and mixing are carried out for 15min at the rotating speed of 500 rpm;
(3) preparing a diluent: weighing butyl acetate and propylene glycol methyl ether acetate according to the mass ratio, stirring, mixing and reacting the butyl acetate and the propylene glycol methyl ether acetate to obtain the diluent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110370671.7A CN113025190A (en) | 2021-04-07 | 2021-04-07 | Polyurethane filled type seal primer and preparation method thereof |
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| CN202110370671.7A CN113025190A (en) | 2021-04-07 | 2021-04-07 | Polyurethane filled type seal primer and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115960522A (en) * | 2022-10-12 | 2023-04-14 | 上海君子兰新材料股份有限公司 | Nitro high-hardness black finish paint and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497839A (en) * | 2014-12-11 | 2015-04-08 | 三棵树涂料股份有限公司 | PU (polyurethane) seal primer capable of highly wetting and highly infiltrating substrate and preparation method of PU seal primer |
| CN104497829A (en) * | 2014-12-09 | 2015-04-08 | 三棵树涂料股份有限公司 | High-filling-property easy-to-polish polyurethane transparent primer paint and preparation method thereof |
| CN107502166A (en) * | 2017-08-23 | 2017-12-22 | 中华制漆(新丰）有限公司 | Clear priming paint of polyurethane closed and preparation method thereof |
| CN107502178A (en) * | 2017-09-19 | 2017-12-22 | 广东汇龙涂料有限公司 | It is a kind of easily to apply transparent priming and preparation method thereof |
| CN111234680A (en) * | 2020-01-09 | 2020-06-05 | 山东巴德士化工有限公司 | Polyurethane woodenware paint for filling conduit and preparation method and application thereof |
-
2021
- 2021-04-07 CN CN202110370671.7A patent/CN113025190A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497829A (en) * | 2014-12-09 | 2015-04-08 | 三棵树涂料股份有限公司 | High-filling-property easy-to-polish polyurethane transparent primer paint and preparation method thereof |
| CN104497839A (en) * | 2014-12-11 | 2015-04-08 | 三棵树涂料股份有限公司 | PU (polyurethane) seal primer capable of highly wetting and highly infiltrating substrate and preparation method of PU seal primer |
| CN107502166A (en) * | 2017-08-23 | 2017-12-22 | 中华制漆(新丰）有限公司 | Clear priming paint of polyurethane closed and preparation method thereof |
| CN107502178A (en) * | 2017-09-19 | 2017-12-22 | 广东汇龙涂料有限公司 | It is a kind of easily to apply transparent priming and preparation method thereof |
| CN111234680A (en) * | 2020-01-09 | 2020-06-05 | 山东巴德士化工有限公司 | Polyurethane woodenware paint for filling conduit and preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115960522A (en) * | 2022-10-12 | 2023-04-14 | 上海君子兰新材料股份有限公司 | Nitro high-hardness black finish paint and preparation method thereof |
| CN115960522B (en) * | 2022-10-12 | 2024-01-30 | 上海君子兰新材料股份有限公司 | Nitro high-hardness black finish paint and preparation method thereof |
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Application publication date: 20210625 |