CN115772360B - High-solid odor-removing matte finishing paint and preparation and application methods thereof - Google Patents
High-solid odor-removing matte finishing paint and preparation and application methods thereof Download PDFInfo
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Abstract
A high-solid odor-removing matt finishing paint and a preparation method and an application method thereof belong to the technical field of furniture paint, raw materials of the matt finishing paint comprise alkyd resin, polyether modified polydimethylsiloxane, self-extinction acrylic emulsion, silicon oxide nano powder, graphene nano powder, orange oil, matt powder, wax powder, matt trimer curing agent, butyl acetate, propylene glycol methyl ether acetate and methyl isobutyl ketone, the balance is dimethylbenzene, and the viscosity of the matt finishing paint is 10-35 s. According to the design of the matt finishing paint, the orange oil is adopted to modify alkyd resin, so that the odor-free alkyd resin is obtained; the wax powder is used as a modified binder, the graphene nano powder is used for modifying the matte powder, and the high leveling property, the lubricity and the extinction property of the matte powder are improved, so that the high-quality extinction effect can be achieved by adding a small amount of modified matte powder. The matte trimer curing agent is matched with butyl acetate, propylene glycol methyl ether acetate and methyl isobutyl ketone, so that the curing effect is better, and the scratch resistance is good.
Description
Technical Field
The invention belongs to the technical field of furniture paint, and particularly relates to a high-solid odor-removing matte finish paint and a preparation method and an application method thereof.
Background
With the improvement of living standard and the continuous development of household article industry, the ornamental and health requirements of people on furniture are also higher and higher. Furniture materials generally include substrates, glues, coatings or paints, and the like, which in turn include primers and topcoats. Wherein the furniture topcoat is the outermost exposed material, the pattern, color, transparency, gloss, odor, etc. of which directly affects the feel of use.
The matte finish paint gives people natural comfort, is popular in the market, the lower the glossiness of the matte finish paint is, the higher the quality is, but the production difficulty of the high-quality matte finish paint is relatively high, the glossiness is very difficult to be lower than 8 degrees, and if the glossiness is reduced by increasing the proportion of the added matte finish paint, the problems of poor paint film flow, bloom, poor transparency and the like can be generated. And, due to the addition of the resin, the curing agent and the organic solvent, an irritating odor may be generated, which is harmful to the health. In addition, the matte finish paint is easy to abrade and scratch after being coated, and is a difficult problem to be solved.
Disclosure of Invention
Aiming at the problems of great difficulty in reducing gloss, poor leveling and bleeding if the gloss is reduced, strong odor irritation of the matte finish, and easiness in abrasion and scratching after coating in the prior art. The invention provides a high-solid odor-removing matte finish paint and a preparation method and an application method thereof, wherein the gloss is reduced by adopting a composite material, and meanwhile, better leveling is ensured, no bloom is generated, and abrasion and scratching are not easy to occur after the finish paint is applied; the material is subjected to odor removal treatment to reduce pungent odor and physical injury. The specific technical scheme is as follows:
the high-solid odor-removing matte finish paint comprises, by mass, 10-30 parts of alkyd resin, 10-20 parts of polyether modified polydimethylsiloxane, 5-15 parts of self-extinction acrylic emulsion, 0.2-0.8 part of silicon oxide nano powder, 0.5-1.5 parts of graphene nano powder, 3-6 parts of orange oil, 0.5-3 parts of matte powder, 0.2-0.8 part of wax powder, 5-10 parts of matte trimer curing agent, 20-40 parts of butyl acetate, 5-15 parts of propylene glycol methyl ether acetate and 10-20 parts of methyl isobutyl ketone, and the balance of dimethylbenzene, wherein the viscosity of the matte finish paint is 10-35 s.
In the technical scheme, the granularity of the silicon oxide nano powder is below 100 nm.
In the technical scheme, the graphene nano powder has a structure of multi-layer graphene, and the granularity of the graphene nano powder is 500-800 nm.
In the technical proposal, the granularity of the wax powder is 1-5 um.
In the technical scheme, the granularity of the matte powder is 1-10 um.
In the technical scheme, 0.5-2 parts of defoaming agent is also added into the matte finish, and the defoaming agent is a defoaming agent which does not contain organic silicon.
In the technical scheme, 0.5-3 parts of drier is also added into the matte finish, and the drier is an organotin drier.
In the technical scheme, 0.5-0.8 part of anti-settling agent is also added into the matte finish paint.
The preparation method of the high-solid odor-removing matte finishing paint comprises the following steps of:
step 1: 10 to 30 parts of alkyd resin, 10 to 20 parts of polyether modified polydimethylsiloxane, 5 to 15 parts of self-extinction acrylic emulsion, 0.2 to 0.8 part of silicon oxide nano powder, 0.5 to 1.5 parts of graphene nano powder, 3 to 6 parts of orange oil, 0.5 to 3 parts of matte powder, 0.2 to 0.8 part of wax powder, 5 to 10 parts of matte trimer curing agent, 20 to 40 parts of butyl acetate, 5 to 15 parts of propylene glycol methyl ether acetate and 10 to 20 parts of methyl isobutyl ketone are weighed according to mass fraction;
step 2:
uniformly mixing alkyd resin and orange oil to perform reaction for deodorizing, and then adding polyether modified polydimethylsiloxane, self-extinction acrylic emulsion, matte trimer curing agent, butyl acetate, propylene glycol methyl ether acetate and methyl isobutyl ketone to perform uniform mixing to prepare an intermediate product A;
the temperature of uniform mixing is normal temperature, the stirring speed is 500-800 r/min, and the mixing time is 2-3 h;
step 3:
uniformly mixing wax powder and a half amount of silicon oxide nano powder to prepare an auxiliary material B;
mixing the materials into air flow mixture, wherein the mixing temperature is normal temperature;
step 4:
uniformly mixing graphene nano powder and a half amount of silicon oxide nano powder to prepare an auxiliary material C;
mixing the materials into air flow mixture, wherein the mixing temperature is normal temperature;
step 5:
uniformly mixing the dummy powder and the auxiliary material B in a modification kettle, and then adding the auxiliary material C for modification, wherein the modification temperature is 70-130 ℃, so as to prepare modified powder D;
step 6:
adding modified powder D into the intermediate product A for uniform mixing, and adding dimethylbenzene in the mixing process until the viscosity reaches 10-35 s to obtain high-solid odor-removing matte finish paint;
the stirring speed of uniform mixing is 200-300 r/min, and the mixing time is 1-2 h.
In the step 1 of the method, 0.5 to 2 parts of defoamer, 0.5 to 3 parts of drier and 0.5 to 0.8 part of anti-settling agent are also added.
The application method of the high-solid odor-removal matte finishing paint comprises the following steps: the paint is coated by spraying, brushing or dipping, and the thickness of the paint is 0.3-1 mm.
Compared with the prior art, the high-solid odor-removing matte finishing paint and the preparation and application methods thereof have the beneficial effects that:
1. according to the design of the matt finishing paint, the orange oil is adopted to modify the alkyd resin, so that the odor-free alkyd resin is obtained, and the pungent odor is reduced.
2. According to the design of the matte finish paint, the wax powder is used as a modified binder, the graphene nano powder is used for modifying the matte powder, so that the matte powder with better leveling property and better lubricating property is obtained, the matte property of the matte powder modified by the graphene nano powder is better, and the high-quality matting effect can be achieved by adding a small amount of modified matte powder.
3. In the preparation method of the matt finishing paint, the silica nano powder is designed to disperse the wax powder, so that the bonding uniformity is ensured, and the silica nano powder is adopted as a diluting agent of the graphene nano powder, so that the graphene nano powder is ensured not to agglomerate, and the modification effect is better; the graphene nano powder is adhered to the surface of the matte powder, so that the smoothness and leveling property of the matte powder are improved. In addition, the excessive graphene nano powder has a deodorizing effect on the solvent, so that the deodorizing effect is further achieved.
4. The matte finishing coat adopts the matte trimer curing agent to be matched with butyl acetate, propylene glycol methyl ether acetate and methyl isobutyl ketone, and has better curing effect and good scratch resistance.
In conclusion, the matte finish paint adopts the composite matte material to reduce glossiness, ensures better leveling and no flowering, and reduces pungent odor and body injury by performing odor removal treatment on the whole material. The matte finish paint has thinner coating, reduces the consumption, lightens the environmental pollution, and is not easy to wear and scratch resistant after being coated.
Detailed Description
The invention will be further illustrated with reference to specific examples, but the invention is not limited to these examples.
Example 1
The high-solid odor-removing matte finish paint comprises, by mass, 20 parts of alkyd resin, 15 parts of polyether-modified polydimethylsiloxane, 10 parts of self-extinction acrylic emulsion, 0.5 part of silicon oxide nano powder, 1 part of graphene nano powder, 5 parts of orange oil, 2 parts of matte powder, 0.5 part of wax powder, 7 parts of matte trimer curing agent, 30 parts of butyl acetate, 10 parts of propylene glycol methyl ether acetate and 15 parts of methyl isobutyl ketone, and the balance of dimethylbenzene, wherein the viscosity of the matte finish paint is 17s.
Wherein the granularity of the silicon oxide nano powder is below 100 nm. The graphene nano powder has a structure of multi-layer graphene, and the granularity of the graphene nano powder is 600nm. The particle size of the wax powder was 3um. The granularity of the matte powder is 8um.
The preparation method of the high-solid odor-removing matte finishing paint comprises the following steps of:
step 1: according to the mass fraction, 20 parts of alkyd resin, 15 parts of polyether modified polydimethylsiloxane, 10 parts of self-extinction acrylic emulsion, 0.5 part of silicon oxide nano powder, 1 part of graphene nano powder, 5 parts of orange oil, 2 parts of matte powder, 0.5 part of wax powder, 7 parts of matte trimer curing agent, 30 parts of butyl acetate, 10 parts of propylene glycol methyl ether acetate and 15 parts of methyl isobutyl ketone are weighed;
step 2:
uniformly mixing alkyd resin and orange oil to remove odor, adding polyether modified polydimethylsiloxane, self-extinction acrylic emulsion, matte trimer curing agent, butyl acetate, propylene glycol methyl ether acetate and methyl isobutyl ketone to uniformly mix, wherein the uniform mixing temperature is normal temperature, the stirring rotating speed is 600r/min, and the mixing time is 2.5h; preparing an intermediate product A;
step 3:
uniformly mixing wax powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials B;
step 4:
uniformly mixing graphene nano powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials C;
step 5:
uniformly mixing the dummy powder and the auxiliary material B in a modification kettle, and then adding the auxiliary material C for modification at the modification temperature of 85-95 ℃ to prepare modified powder D;
step 6:
adding modified powder D into the intermediate product A for uniform mixing, adding dimethylbenzene in the mixing process until the viscosity reaches 17s, and uniformly mixing at a stirring speed of 300r/min for 1.2h to obtain high-solid odorless matte finish paint;
the application method of the high-solid odor-removal matte finishing paint comprises the following steps: the dip-coating mode is adopted for painting, and the thickness of the paint is 0.3-0.4 mm.
The matte finish paint of the embodiment has good application effect, good matte effect, no surface bloom, good leveling property, smell removal and scratch resistance.
Example 2
The high-solid odor-removing matte finish paint comprises, by mass, 13 parts of alkyd resin, 16 parts of polyether-modified polydimethylsiloxane, 7 parts of self-extinction acrylic emulsion, 0.3 part of silicon oxide nano powder, 0.8 part of graphene nano powder, 4 parts of orange oil, 0.8 part of matte powder, 0.3 part of wax powder, 6 parts of matte trimer curing agent, 25 parts of butyl acetate, 6 parts of propylene glycol methyl ether acetate, 12 parts of methyl isobutyl ketone, 0.6 part of defoaming agent, 1.5 parts of drier and 0.7 part of anti-settling agent, and the balance of dimethylbenzene, wherein the viscosity of the matte finish paint is 25s.
Wherein the granularity of the silicon oxide nano powder is below 100 nm. The graphene nano powder has a structure of multi-layer graphene, and the granularity of the graphene nano powder is 750nm. The particle size of the wax powder was 4um. The particle size of the matte powder is 10um.
The preparation method of the high-solid odor-removing matte finishing paint comprises the following steps of:
step 1: 13 parts of alkyd resin, 16 parts of polyether modified polydimethylsiloxane, 7 parts of self-extinction acrylic emulsion, 0.3 part of silicon oxide nano powder, 0.8 part of graphene nano powder, 4 parts of orange oil, 0.8 part of matte powder, 0.3 part of wax powder, 6 parts of matte trimer curing agent, 25 parts of butyl acetate, 6 parts of propylene glycol methyl ether acetate, 12 parts of methyl isobutyl ketone, 0.6 part of defoamer, 1.5 parts of drier and 0.7 part of anti-settling agent are weighed according to mass fraction;
step 2:
uniformly mixing alkyd resin and orange oil to remove odor, adding polyether modified polydimethylsiloxane, self-extinction acrylic emulsion, matte trimer curing agent, butyl acetate, propylene glycol methyl ether acetate, methyl isobutyl ketone, defoamer, drier and anti-settling agent, uniformly mixing at normal temperature at a stirring speed of 800r/min for 2 hours; preparing an intermediate product A;
step 3:
uniformly mixing wax powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials B;
step 4:
uniformly mixing graphene nano powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials C;
step 5:
uniformly mixing the dummy powder and the auxiliary material B in a modification kettle, and then adding the auxiliary material C for modification, wherein the modification temperature is 70-130 ℃, so as to prepare modified powder D;
step 6:
adding modified powder D into the intermediate product A for uniform mixing, adding dimethylbenzene in the mixing process until the viscosity reaches 25s, and uniformly mixing at a stirring speed of 200r/min for 2h to obtain high-solid odor-free matte finish paint;
the application method of the high-solid odor-removal matte finishing paint comprises the following steps: and (3) painting in a spraying mode, wherein the thickness of the paint is 0.5-0.6 mm.
The matte finish paint of the embodiment has good application effect, good matte effect, no surface bloom, good leveling property, smell removal and scratch resistance.
Example 3
The high-solid odor-removing matte finish paint comprises, by mass, 10 parts of alkyd resin, 10 parts of polyether-modified polydimethylsiloxane, 5 parts of self-extinction acrylic emulsion, 0.2 part of silicon oxide nano powder, 0.5 part of graphene nano powder, 3 parts of orange oil, 0.5 part of matte powder, 0.2 part of wax powder, 5 parts of matte trimer curing agent, 20 parts of butyl acetate, 5 parts of propylene glycol methyl ether acetate, 10 parts of methyl isobutyl ketone, and the balance of dimethylbenzene, wherein the viscosity of the matte finish paint is 34s.
Wherein the granularity of the silicon oxide nano powder is below 100 nm. The graphene nano powder has a structure of multi-layer graphene, and the granularity of the graphene nano powder is 500nm. The particle size of the wax powder was 1um. The particle size of the matte powder is 3um.
The preparation method of the high-solid odor-removing matte finishing paint comprises the following steps of:
step 1: according to the mass fraction, 10 parts of alkyd resin, 10 parts of polyether modified polydimethylsiloxane, 5 parts of self-extinction acrylic emulsion, 0.2 part of silicon oxide nano powder, 0.5 part of graphene nano powder, 3 parts of orange oil, 0.5 part of matte powder, 0.2 part of wax powder, 5 parts of matte trimer curing agent, 20 parts of butyl acetate, 5 parts of propylene methyl ether acetate and 10 parts of methyl isobutyl ketone are weighed;
step 2:
uniformly mixing alkyd resin and orange oil for reaction for odor removal, and then adding polyether modified polydimethylsiloxane, self-extinction acrylic emulsion, matte trimer curing agent, butyl acetate, propylene glycol methyl ether acetate and methyl isobutyl ketone for uniform mixing at normal temperature at a stirring rotating speed of 500r/min for 2 hours; preparing an intermediate product A;
step 3:
uniformly mixing wax powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials B;
step 4:
uniformly mixing graphene nano powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials C;
step 5:
uniformly mixing the dummy powder and the auxiliary material B in a modification kettle, and then adding the auxiliary material C for modification at the modification temperature of 70-80 ℃ to prepare modified powder D;
step 6:
adding modified powder D into the intermediate product A for uniform mixing, adding dimethylbenzene in the mixing process until the viscosity reaches 34s, and uniformly mixing at a stirring speed of 200r/min for 1h to obtain high-solid odor-free matte finish paint;
the application method of the high-solid odor-removal matte finishing paint comprises the following steps: and painting in a brushing mode, wherein the thickness of the paint is 0.8-1 mm.
The matte finish paint of the embodiment has good application effect, good matte effect, no surface bloom, good leveling property, smell removal and scratch resistance.
Example 4
The high-solid odor-removing matte finish paint comprises, by mass, 30 parts of alkyd resin, 20 parts of polyether-modified polydimethylsiloxane, 15 parts of self-extinction acrylic emulsion, 0.8 part of silicon oxide nano powder, 1.5 parts of graphene nano powder, 6 parts of orange oil, 3 parts of matte powder, 0.8 part of wax powder, 10 parts of matte trimer curing agent, 40 parts of butyl acetate, 15 parts of propylene glycol methyl ether acetate, 20 parts of methyl isobutyl ketone, 2 parts of defoaming agent, 3 parts of drier and 0.8 part of anti-settling agent, and the balance of dimethylbenzene, wherein the viscosity of the matte finish paint is 14s.
Wherein the granularity of the silicon oxide nano powder is below 100 nm. The graphene nano powder has a structure of multi-layer graphene, and the granularity of the graphene nano powder is 800nm. The particle size of the wax powder was 5um. The particle size of the matte powder is 10um.
The preparation method of the high-solid odor-removing matte finishing paint comprises the following steps of:
step 1: according to the mass fraction, weighing 30 parts of alkyd resin, 20 parts of polyether modified polydimethylsiloxane, 15 parts of self-extinction acrylic emulsion, 0.8 part of silicon oxide nano powder, 1.5 parts of graphene nano powder, 6 parts of orange oil, 3 parts of matte powder, 0.8 part of wax powder, 10 parts of matte trimer curing agent, 40 parts of butyl acetate, 15 parts of propylene glycol methyl ether acetate, 20 parts of methyl isobutyl ketone, 2 parts of defoamer, 3 parts of drier and 0.8 part of anti-settling agent;
step 2:
uniformly mixing alkyd resin and orange oil to remove odor, adding polyether modified polydimethylsiloxane, self-extinction acrylic emulsion, matte trimer curing agent, butyl acetate, propylene glycol methyl ether acetate, methyl isobutyl ketone, defoamer, drier and anti-settling agent, uniformly mixing at normal temperature at a stirring speed of 800r/min for 2 hours; preparing an intermediate product A;
step 3:
uniformly mixing wax powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials B;
step 4:
uniformly mixing graphene nano powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials C;
step 5:
uniformly mixing the dummy powder and the auxiliary material B in a modification kettle, and then adding the auxiliary material C for modification at the modification temperature of 90-105 ℃ to prepare modified powder D;
step 6:
adding modified powder D into the intermediate product A for uniform mixing, adding dimethylbenzene in the mixing process until the viscosity reaches 14s, and uniformly mixing at a stirring speed of 200r/min for 2h to obtain high-solid odor-free matte finish paint;
the application method of the high-solid odor-removal matte finishing paint comprises the following steps: the paint is coated by dip coating, and the thickness of the paint is 0.3-0.4 mm.
The matte finish paint of the embodiment has good application effect, good matte effect, no surface bloom, good leveling property, smell removal and scratch resistance.
Example 5
The high-solid odor-removing matte finish paint comprises, by mass, 13 parts of alkyd resin, 20 parts of polyether-modified polydimethylsiloxane, 7 parts of self-extinction acrylic emulsion, 0.3 part of silicon oxide nano powder, 0.8 part of graphene nano powder, 4 parts of orange oil, 0.8 part of matte powder, 0.3 part of wax powder, 10 parts of matte trimer curing agent, 30 parts of butyl acetate, 6 parts of propylene glycol methyl ether acetate, 12 parts of methyl isobutyl ketone, and the balance of dimethylbenzene, wherein the viscosity of the matte finish paint is 25s.
Wherein the granularity of the silicon oxide nano powder is below 100 nm. The graphene nano powder has a structure of multi-layer graphene, and the granularity of the graphene nano powder is 700nm. The particle size of the wax powder was 3um. The particle size of the matte powder is 10um.
The preparation method of the high-solid odor-removing matte finishing paint comprises the following steps of:
step 1: 13 parts of alkyd resin, 20 parts of polyether modified polydimethylsiloxane, 7 parts of self-extinction acrylic emulsion, 0.3 part of silicon oxide nano powder, 0.8 part of graphene nano powder, 4 parts of orange oil, 0.8 part of matte powder, 0.3 part of wax powder, 10 parts of matte trimer curing agent, 30 parts of butyl acetate, 6 parts of propylene methyl ether acetate and 12 parts of methyl isobutyl ketone are weighed according to mass fraction;
step 2:
uniformly mixing alkyd resin and orange oil for reaction for odor removal, adding polyether modified polydimethylsiloxane, self-extinction acrylic emulsion, matte trimer curing agent, butyl acetate, propylene glycol methyl ether acetate and methyl isobutyl ketone, uniformly mixing at normal temperature at a stirring speed of 800r/min for 2 hours; preparing an intermediate product A;
step 3:
uniformly mixing wax powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials B;
step 4:
uniformly mixing graphene nano powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials C;
step 5:
uniformly mixing the dummy powder and the auxiliary material B in a modification kettle, and then adding the auxiliary material C for modification at the modification temperature of 70-80 ℃ to prepare modified powder D;
step 6:
adding modified powder D into the intermediate product A for uniform mixing, adding dimethylbenzene in the mixing process until the viscosity reaches 25s, and uniformly mixing at a stirring speed of 200r/min for 2h to obtain high-solid odor-free matte finish paint;
the application method of the high-solid odor-removal matte finishing paint comprises the following steps: and (3) painting in a spraying mode, wherein the thickness of the paint is 0.6-0.7 mm.
The matte finish paint of the embodiment has good application effect, good matte effect, no surface bloom, good leveling property, smell removal and scratch resistance.
Example 6
The high-solid odor-removing matte finish paint comprises, by mass, 10 parts of alkyd resin, 10 parts of polyether-modified polydimethylsiloxane, 5 parts of self-extinction acrylic emulsion, 0.2 part of silicon oxide nano powder, 0.5 part of graphene nano powder, 3 parts of orange oil, 0.5 part of matte powder, 0.2 part of wax powder, 5 parts of matte trimer curing agent, 20 parts of butyl acetate, 5 parts of propylene glycol methyl ether acetate, 10 parts of methyl isobutyl ketone, 0.5 part of defoaming agent, 0.5 part of drier and 0.5 part of anti-settling agent, and the balance of dimethylbenzene, wherein the viscosity of the matte finish paint is 35s.
Wherein the granularity of the silicon oxide nano powder is below 100 nm. The graphene nano powder has a structure of multi-layer graphene, and the granularity of the graphene nano powder is 500nm. The particle size of the wax powder was 1um. The particle size of the matte powder is 6um.
The preparation method of the high-solid odor-removing matte finishing paint comprises the following steps of:
step 1: 10 parts of alkyd resin, 10 parts of polyether modified polydimethylsiloxane, 5 parts of self-extinction acrylic emulsion, 0.2 part of silicon oxide nano powder, 0.5 part of graphene nano powder, 3 parts of orange oil, 0.5 part of matte powder, 0.2 part of wax powder, 5 parts of matte trimer curing agent, 20 parts of butyl acetate, 5 parts of propylene glycol methyl ether acetate, 10 parts of methyl isobutyl ketone, 0.5 part of defoamer, 0.5 part of drier and 0.5 part of anti-settling agent are weighed according to mass fraction;
step 2:
uniformly mixing alkyd resin and orange oil to remove odor, adding polyether modified polydimethylsiloxane, self-extinction acrylic emulsion, matte trimer curing agent, butyl acetate, propylene glycol methyl ether acetate, methyl isobutyl ketone, defoamer, drier and anti-settling agent, uniformly mixing at normal temperature at a stirring speed of 500r/min for 2 hours; preparing an intermediate product A;
step 3:
uniformly mixing wax powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials B;
step 4:
uniformly mixing graphene nano powder and a half amount of silicon oxide nano powder, wherein the mixing is air flow mixing, and the mixing temperature is normal temperature; preparing auxiliary materials C;
step 5:
uniformly mixing the dummy powder and the auxiliary material B in a modification kettle, and then adding the auxiliary material C for modification at 110-130 ℃ to prepare modified powder D;
step 6:
adding modified powder D into the intermediate product A for uniform mixing, adding dimethylbenzene in the mixing process until the viscosity reaches 35s, and uniformly mixing at a stirring speed of 200r/min for 2h to obtain high-solid odor-free matte finish paint;
the application method of the high-solid odor-removal matte finishing paint comprises the following steps: and painting in a brushing mode, wherein the thickness of the paint is 0.8-0.9 mm.
The matte finish paint of the embodiment has good application effect, good matte effect, no surface bloom, good leveling property, smell removal and scratch resistance.
The main detection results of the matte finish of the above examples are shown in the following table:
| detecting items | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| Status of | No hard block | No hard block | No hard block | No hard block | No hard block | No hard block |
| Fineness of | ＜15um | ＜15um | ＜15um | ＜15um | ＜15um | ＜15um |
| Appearance of paint film | No flowers | No flowers | No flowers | No flowers | No flowers | No flowers |
| Scratch resistance | Excellent (excellent) | Excellent (excellent) | Excellent (excellent) | Excellent (excellent) | Excellent (excellent) | Excellent (excellent) |
| Adhesion force | Level 1 | Level 1 | Level 1 | Level 1 | Level 1 | Level 1 |
| Gloss (60 degree angle) | 3％ | 4％ | 3％ | 2％ | 1％ | 1％ |
| Smell of | No irritation | No irritation | No irritation | No irritation | No irritation | No irritation |
| Antibacterial property | Excellent (excellent) | Excellent (excellent) | Excellent (excellent) | Excellent (excellent) | Excellent (excellent) | Excellent (excellent) |
Claims (5)
1. The high-solid odor-removing matt finishing paint is characterized by comprising the following raw materials in parts by mass: 10-30 parts of alkyd resin, 10-20 parts of polyether modified polydimethylsiloxane, 5-15 parts of self-extinction acrylic emulsion, 0.2-0.8 part of silicon oxide nano powder, 0.5-1.5 parts of graphene nano powder, 3-6 parts of orange oil, 0.5-3 parts of matte powder, 0.2-0.8 part of wax powder, 5-10 parts of matte trimer curing agent, 20-40 parts of butyl acetate, 5-15 parts of propylene glycol methyl ether acetate and 10-20 parts of methyl isobutyl ketone, and the balance of dimethylbenzene, wherein the viscosity of the matte finish paint is 10-35 s;
the granularity of the silicon oxide nano powder is below 100 nm; the graphene nano powder has a structure of multi-layer graphene, and the granularity of the graphene nano powder is 500-800 nm; the granularity of the wax powder is 1-5 um; the granularity of the matte powder is 1-10 um;
the preparation method of the matte finish paint comprises the following steps:
step 1: 10 to 30 parts of alkyd resin, 10 to 20 parts of polyether modified polydimethylsiloxane, 5 to 15 parts of self-extinction acrylic emulsion, 0.2 to 0.8 part of silicon oxide nano powder, 0.5 to 1.5 parts of graphene nano powder, 3 to 6 parts of orange oil, 0.5 to 3 parts of matte powder, 0.2 to 0.8 part of wax powder, 5 to 10 parts of matte trimer curing agent, 20 to 40 parts of butyl acetate, 5 to 15 parts of propylene glycol methyl ether acetate and 10 to 20 parts of methyl isobutyl ketone are weighed according to mass fraction;
step 2:
uniformly mixing alkyd resin and orange oil to remove odor, adding polyether modified polydimethylsiloxane, self-extinction acrylic emulsion, matte trimer curing agent, butyl acetate, propylene glycol methyl ether acetate and methyl isobutyl ketone to uniformly mix, wherein the uniform mixing temperature is normal temperature, the stirring speed is 500-800 r/min, and the mixing time is 2-3 h; preparing an intermediate product A;
step 3:
uniformly mixing wax powder and a half amount of silicon oxide nano powder to prepare an auxiliary material B;
step 4:
uniformly mixing graphene nano powder and a half amount of silicon oxide nano powder to prepare an auxiliary material C;
step 5:
uniformly mixing the dummy powder and the auxiliary material B in a modification kettle, and then adding the auxiliary material C for modification, wherein the modification temperature is 70-130 ℃, so as to prepare modified powder D;
step 6:
adding modified powder D into the intermediate product A for uniform mixing, wherein the stirring speed of uniform mixing is 200-300 r/min, the mixing time is 1-2 h, and adding dimethylbenzene in the mixing process until the viscosity reaches 10-35 s, so as to obtain the high-solid odorless matte finish paint.
2. The high-solid odor-free matte finish of claim 1, wherein 0.5-2 parts of defoamer is added to the matte finish, and the defoamer is a silicone-free defoamer; 0.5-3 parts of drier is also added into the matte finish paint, and the drier is an organotin drier; 0.5-0.8 part of anti-settling agent is also added into the matte finish paint.
3. The high-solids odor-free matte finish of claim 1 wherein in step 1, 0.5-2 parts of defoamer, 0.5-3 parts of drier and 0.5-0.8 parts of anti-settling agent are also added.
4. The high-solids odor-free matte finish of claim 1 wherein in step 3, the mixing is air flow mixing at ambient temperature; in the step 4, the mixing is air flow mixing, and the mixing temperature is normal temperature.
5. The application method of the high-solid odor-free matte finishing paint is characterized in that the paint is painted in a spraying, brushing or dip-coating mode, and the thickness of the paint is 0.3-1 mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS60158249A (en) * | 1984-01-28 | 1985-08-19 | Shin Etsu Chem Co Ltd | Resin composition for matte type process release paper |
| CN104513594A (en) * | 2013-09-27 | 2015-04-15 | 天津单渡科技开发有限公司 | Orange oil varnish |
| CN105968253B (en) * | 2016-06-01 | 2018-02-02 | 嘉宝莉化工集团股份有限公司 | It is a kind of water-based from mat acrylic emulsion and preparation method and application |
| CN106366900A (en) * | 2016-08-26 | 2017-02-01 | 广东巴德士化工有限公司 | Stable, high-transparent and permanently-smooth PU lusterless top-coat with gloss and preparation method thereof |
| CN106349920A (en) * | 2016-08-29 | 2017-01-25 | 山东巴德士化工有限公司 | Environment-friendly curtaining odor-removing PU matted varnish and preparation method thereof |
| JP6266826B1 (en) * | 2017-04-28 | 2018-01-24 | 大木 彬 | Matte transparent paint composition and method for producing the same |
| CN109535882A (en) * | 2017-08-01 | 2019-03-29 | 中卫市创科知识产权投资有限公司 | A kind of graphene removes aldehyde woodcare paint production technology |
| CN110003790A (en) * | 2019-04-23 | 2019-07-12 | 上海巴德士化工新材料有限公司 | A kind of high matte varnish and preparation method thereof thoroughly of PU ordor removing |
| CN111995940B (en) * | 2020-09-17 | 2022-03-04 | 福州展辰新材料有限公司 | Super-matte PU odor-free clear finishing coat and preparation method thereof |
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