A kind of plastic paint and preparation method thereof and a kind of plastics sealing wax
Technical field
The present invention relates to plastic paint technical field, more particularly to a kind of plastic paint and preparation method thereof and a kind of plastics water
Paint.
Background technology
Plastic paint has the characteristics that hardness is high, gloss is high, divides richness height, ply adhesion is good, easily constructs, and is widely used in
The product painting of plastic bottom material, aqueous plastic paint and conventional oil-based plastic paint can be divided into.
Water paint is the coating without organic solvent using water as diluent.Water paint is free of benzene, formaldehyde and toxic metals,
Nontoxic non-stimulated smell, it is harmless, it is free from environmental pollution.In pay attention to day by day coating safety and the today's society of environmental protection index,
The popularization of aqueous plastic paint is all highly beneficial to the reasonable utilization of resource and the improvement of environmental sanitation.
However, the rate of drying of traditional plastic paint is universal relatively slow, have a strong impact on that it is promoted and used.
The content of the invention
It is an object of the invention to provide a kind of plastic paint and preparation method thereof and a kind of plastics sealing wax.It is provided by the invention
Plastic paint and plastics sealing wax are formed due to specific, and its drying time significantly reduces.
In order to realize foregoing invention purpose, the present invention provides following technical scheme:
The invention provides a kind of plastic paint, the component of following mass parts is included:
The modified resin includes methacrylic resin, acrylic acid modified polyurethane and epoxy-modified acrylic acid, described
The mass ratio of methacrylic resin, acrylic acid modified polyurethane and epoxy-modified acrylic acid is (20~40):(30~50):
(20~40).
Preferably, the pH value of the methacrylic resin is 7~8, and viscosity is 1000~8000cps, density 1.02
~1.05g/mL, acid number are 50~70mg KOH/g, and hydroxyl value is 50~70mg KOH/g.
Preferably, the acrylic acid modified polyurethane is the acrylic acid modified polyurethane of 0535 model.
Preferably, the epoxy-modified acrylic acid is the epoxy-modified acrylic acid of 3442 models.
Preferably, the defoamer is the one or more in 805W, 2501,2502,2524 and 5100;
The dispersant is 760W;
The wetting agent is 5008,5285, the one or more in L45 and 245.
Preferably, the coalescents are dipropylene glycol methyl ether and/or dipropylene glycol n-butyl ether;
The levelling agent is the one or more in 3772,3251,3758 and 410 levelling agents;
The thickener is polyurethanes thickener.
The invention provides a kind of preparation method of plastic paint described in above-mentioned technical proposal, comprise the following steps:
Modified resin, defoamer, dispersant, wetting agent, coalescents, levelling agent, thickener and water are mixed, moulded
Material paint.
Preferably, the time of the mixing is 40~80min.
Preferably, the mixing is carried out under agitation, and the speed of the stirring is 600~800rpm.
Present invention also offers a kind of plastics sealing wax, plastic paint described in above-mentioned technical proposal or above-mentioned technical proposal are included
The plastic paint and water that any one preparation method obtains, the mass ratio of the plastic paint and water is 1:(0.1~0.5).
The invention provides a kind of plastic paint and preparation method thereof and a kind of plastics sealing wax.Plastics enamel-cover provided by the invention
Containing modified resin, defoamer, dispersant, wetting agent, coalescents, levelling agent, thickener and water;Plastics sealing wax includes plastic paint
And water.Due to using specific compositing formula, its drying time significantly reduces plastic paint and plastics sealing wax provided by the invention.By
Embodiment result understands that the plastic paint and the certainly dry of plastics sealing wax that the application provides can be carried out at room temperature, and its surface drying time can
Up to 15min, the time is done solid work up to 40min, and thickness of dry film is 10~12 μm, and the glossiness of dry film is 95 °, and adhesive force reaches 0 grade;
Film after 3 hours hardness can reach HB, F can be reached after 12 hours.
Embodiment
The invention provides a kind of plastic paint, the component of following mass parts is included:
The modified resin includes methacrylic resin, acrylic acid modified polyurethane and epoxy-modified acrylic acid, described
The mass ratio of methacrylic resin, acrylic acid modified polyurethane and epoxy-modified acrylic acid is (20~40):(30~50):
(20~40).
Plastic paint provided by the invention includes the modified resin of 70~80 mass parts, preferably 72~78 parts, more preferably
74~76 parts.In the present invention, the modified resin includes methacrylic resin, acrylic acid modified polyurethane and epoxide modified
Acrylic acid, the mass ratio of the methacrylic resin, acrylic acid modified polyurethane and epoxy-modified acrylic acid be preferably (20~
40):(30~50):(20~40), more preferably (25~35):(35~45):(25~35), most preferably 30:40:30.
The present invention does not have any particular determination to the source of the methacrylic resin, using those skilled in the art
Known commercially available methacrylic resin.In the present invention, the outward appearance of the methacrylic resin is light yellow
Transparency liquid, the content of non-volatile matter is 51 ± 2wt%, and glass transition temperature Tg is 60 DEG C;The methacrylic resin
PH value be preferably 7~8;The viscosity (25 DEG C, Brookfield, LVTNo.4,60RPM) of the methacrylic resin is preferred
For 1000~8000cps, more preferably 2000~6000cps, most preferably 4000~5000cps;The methacrylic acid tree
The density of fat is preferably 1.02~1.05g/mL, more preferably 1.03~1.04g/mL;The acid number of the methacrylic resin
Preferably 50~70mg KOH/g, more preferably 55~65mg KOH/g;The hydroxyl value of the methacrylic resin is preferably 50
~70mg KOH/g, more preferably 55~65mg KOH/g.In the specific embodiment of the invention, the methacrylic resin is
The methacrylic resin of 8750 commercially available models.
The present invention does not have any particular determination to the source of the acrylic acid modified polyurethane, using people in the art
Commercially available acrylic acid modified polyurethane known to member.In the specific embodiment of the invention, the acrylic acid modified poly- ammonia
Ester is the acrylic acid modified polyurethane of 0535 model.
The present invention does not have any particular determination to the source of the epoxy-modified acrylic acid, using those skilled in the art
Known commercially available epoxy-modified acrylic acid.In the specific embodiment of the invention, the epoxy-modified acrylic acid is
The epoxy-modified acrylic acid of 3442 models.
In the present invention, the preparation method of modified resin described in above-mentioned technical proposal, preferably comprises following steps:
Methacrylic resin, acrylic acid modified polyurethane and epoxy-modified acrylic acid are mixed, obtain modified resin.
Order by merging of the present invention to the methacrylic resin, acrylic acid modified polyurethane and epoxy-modified acrylic acid
There is no any particular/special requirement, can be mixed in any order.
In the present invention, the mixing is preferably carried out under agitation, and the speed of the stirring is preferably 600~
800rpm, more preferably 650~750rpm, most preferably 700rpm.In the present invention, the temperature of the mixing be preferably 40~
60 DEG C, more preferably 45~55 DEG C, most preferably 50 DEG C;The time of the mixing is preferably 40~80min, more preferably 50~
70min, most preferably 60min.
On the basis of the modified resin of 70~80 mass parts, plastic paint provided by the invention includes 0.1~0.5 mass parts
Defoamer, preferably 0.2~0.4 part, more preferably 0.3 part.In the specific embodiment of the invention, the defoamer is preferably
One or more in 805W, 2501,2502,2524 and 5100.In the present invention, described 2501 contain organosilicon for commercially available
Water-based emulsion shape defoamer, 2502 and 2524 be the commercially available aqueous defoamer containing organosilicon.
On the basis of the modified resin of 70~80 mass parts, plastic paint provided by the invention includes 0.2~0.5 mass parts
Dispersant, preferably 0.3~0.4 part.In the present invention, the dispersant is preferably 760W.
On the basis of the modified resin of 70~80 mass parts, plastic paint provided by the invention includes the profit of 0.5~1 mass parts
Humectant, preferably 0.6~0.9 part, more preferably 0.7~0.8 part.In the specific embodiment of the invention, the wetting agent is preferred
For one or more of wetting agents in commercially available model 5008,5285, L45 and 245.In the present invention, described 5008 are
The carboxylate of unsaturated polyamide, amine density are 0.89~0.91g/cm3, amine value is 20~24mg KOH/g, acid number is 2~
8mg KOH/g, flash-point are 25 DEG C, and outward appearance is transparent brown color liquid;Described 5285 be the ionic copolymerization with acidic endgroups
Thing, acid number are 70~85mg KOH/g.
On the basis of the modified resin of 70~80 mass parts, plastic paint provided by the invention includes the film forming of 6~9 mass parts
Auxiliary agent, preferably 7~8 parts.In the present invention, the coalescents are preferably dipropylene glycol methyl ether (DPM) and/or DPG
N-butyl ether (DPNB).In the present invention, when the coalescents preferably include DPM and DPNB simultaneously, DPM and DPNB quality
Than being preferably (2.5~5.5):(2~4), more preferably (3.5~4.5):3.
The present invention does not have any particular determination to the DPM and DPNB source, ripe using those skilled in the art institute
The commercially available DPM and DPNB known.
On the basis of the modified resin of 70~80 mass parts, plastic paint provided by the invention includes 0.1~0.5 mass parts
Levelling agent, preferably 0.2~0.4 part, more preferably 0.3 part.In the specific embodiment of the invention, the levelling agent is preferably city
One or more of wetting agents in the model 5008,5285 and 245 sold.In the present invention, described 5008 be unsaturated poly-
The carboxylate of acid amides, amine density are 0.89~0.91g/cm3, amine value is 20~24mg KOH/g, and acid number is 2~8mg KOH/g,
Flash-point is 25 DEG C, and outward appearance is transparent brown color liquid;Described 5285 be ionic copolymer with acidic endgroups, acid number 70
~85mg KOH/g.
On the basis of the modified resin of 70~80 mass parts, plastic paint provided by the invention includes 0.1~0.5 mass parts
Thickener, preferably 0.2~0.4 part, more preferably 0.3 part.In the present invention, the thickener is preferably polyurethanes thickening
Agent, more preferably 299 thickeners.
On the basis of the modified resin of 70~80 mass parts, plastic paint provided by the invention includes 5~10 parts of water, preferably
For 6~8 parts.In the present invention, the water is preferably deionization, distilled water or anion water.In the present invention, the anion
Water uses the anion water of the commercial source of any kind.
On the basis of the modified resin of 70~80 mass parts, plastic paint provided by the invention is preferably also comprising 10~25 parts
Face is starched, more preferably 15~20 parts.The present invention does not have any particular/special requirement to the species of face slurry, using art technology
Plastic paint known to personnel is starched with face;Specifically, when to obtain the plastic paint of specific color, specific color is added
Face is starched.
In the present invention, the plastic paint is applied in a manner of roller coating or brushing etc. be not high to paint vehicle fluidity to plastics
It is coated.
The invention provides a kind of preparation method of plastic paint described in above-mentioned technical proposal, comprise the following steps:
Modified resin, defoamer, dispersant, wetting agent, coalescents, levelling agent, thickener and water are mixed, moulded
Material paint.
The present invention is to the modified resin, defoamer, dispersant, wetting agent, coalescents, levelling agent, thickener and water
Order by merging there is no any particular/special requirement, preferably first modified resin, defoamer, dispersant, wetting agent, film forming are helped
Agent, thickener and water mixing, finally add levelling agent.
In the present invention, when the plastic paint preferably also comprising face slurry when, the present invention will by modified resin, defoamer, point
Powder, wetting agent, coalescents, levelling agent, thickener, face slurry and water mixing, obtain plastic paint.
In the present invention, the mixing is preferably carried out under agitation, and the speed of the stirring is preferably 600~
800rpm, more preferably 650~750rpm, most preferably 700rpm.In the present invention, the temperature of the mixing is preferably room
Temperature;The time of the mixing is preferably 40~80min, more preferably 50~70min, most preferably 60min.
Present invention also offers a kind of plastics sealing wax, plastic paint described in above-mentioned technical proposal or above-mentioned technical proposal are included
The plastic paint and water that any one preparation method obtains.In the present invention, the mass ratio of the plastic paint and water is 1:(0.1~
0.5), preferably 1:0.3.In the present invention, the plastics sealing wax stirs equal after when in use directly mixing plastic paint and water
It is even.In the present invention, the plastics sealing wax is applied to carry out plastics in a manner of spraying etc. is higher to paint vehicle fluidity
Coating.
In the present invention, after plastic paint and the plastics sealing wax is coated on frosting, the thickness of dry film is preferably 10~
15 μm, more preferably 12~13 μm.Can being carried out at room temperature from dry for plastic paint and plastics sealing wax provided by the invention, it is preferably
20~25 DEG C.
Plastic paint provided by the invention and preparation method thereof and plastics sealing wax are carried out specifically with reference to embodiment
It is bright, but they can not be interpreted as limiting the scope of the present invention.
Embodiment 1
Methacrylic resin (8750), acrylic acid modified polyurethane (0535) and epoxy-modified acrylic acid (3442) are pressed
According to 30:40:30 mass ratio mixing, stirs 60min with 700rpm rotating speed, obtains modified resin.
By 70 mass parts modified resins, 0.3 mass parts defoamer (805W), 0.2 part of dispersant (760W), 0.5 mass parts
Wetting agent (3772), 2.5 parts of DPNB, 4 parts of DPM, 0.3 mass parts levelling agent (410), 5 parts of distilled water and 0.3 mass parts thickener
(299) mix, 60min is stirred with 700rpm rotating speed, obtains plastic paint.
By the plastic paint roller coating in plastic sheet surface, plastics lacquer coat is formed.Understood by measure, the plastics lacquer coat
Surface drying time be 15min, it is 44min to do solid work the time, and thickness of dry film is 10 μm, and the glossiness of dry film is 95 °, and adhesive force reaches
0 grade;Film after 3 hours hardness can reach HB, F can be reached after 12 hours.
Embodiment 2
Methacrylic resin (8750), acrylic acid modified polyurethane (0535) and epoxy-modified acrylic acid (3442) are pressed
According to 32:38:30 mass ratio mixing, stirs 60min with 700rpm rotating speed, obtains modified resin.
By 75 mass parts modified resins, 0.3 mass parts defoamer (901W), 0.4 part of dispersant (760W), 0.6 mass parts
Wetting agent (5008), 4 parts of DPNB, 4 parts of DPM, 0.3 mass parts levelling agent (3758), 10 parts of distilled water and 0.3 mass parts thickener
(299) mix, 60min is stirred with 700rpm rotating speed, obtains plastic paint.
By the plastic paint and water according to 1:0.3 mass ratio is well mixed, and obtains plastics sealing wax.
The plastics sealing wax is sprayed at plastic sheet surface, forms plastics sealing wax coating.Understood by measure, the plastic paint
The surface drying time of coating is 19min, and it is 43min to do solid work the time, and thickness of dry film is 11 μm, and the glossiness of dry film is 95 °, adhesive force
Reach 0 grade;Film after 3 hours hardness can reach HB, F can be reached after 12 hours.
Embodiment 3
Methacrylic resin (8750), acrylic acid modified polyurethane (0535) and epoxy-modified acrylic acid (3442) are pressed
According to 30:42:38 mass ratio mixing, stirs 60min with 700rpm rotating speed, obtains modified resin.
By 80 mass parts modified resins, 0.5 mass parts defoamer (2501), 0.5 part of dispersant (760W), 0.8 mass parts
Wetting agent (5285), 5 parts of DPNB, 3.5 parts of DPM, 0.1 mass parts levelling agent (3251), 8 parts of distilled water and the thickening of 0.5 mass parts
Agent (299) mixes, and stirs 50min with 800rpm rotating speed, obtains plastic paint.
By the plastic paint and water according to 1:0.3 mass ratio is well mixed, and obtains plastics sealing wax.
The plastics sealing wax is sprayed at plastic sheet surface, forms plastics sealing wax coating.Understood by measure, the plastic paint
The surface drying time of coating is 17min, and it is 40min to do solid work the time, and thickness of dry film is 12 μm, and the glossiness of dry film is 95 °, adhesive force
Reach 0 grade;Film after 3 hours hardness can reach HB, F can be reached after 12 hours.
As seen from the above embodiment, the invention provides a kind of plastic paint and preparation method thereof and a kind of plastics sealing wax.This
The plastic paint that invention provides includes modified resin, defoamer, wetting agent, levelling agent, thickener, butyl glycol ether and water;Plastics
Sealing wax includes plastic paint and water.Due to using specific compositing formula, it is dried plastic paint and plastics sealing wax provided by the invention
Time significantly reduces.From embodiment result, plastic paint and the certainly dry of plastics sealing wax that the application provides can enter at room temperature
OK, its surface drying time is up to 15min, and it up to 40min, thickness of dry film is 10~12 μm to do solid work the time, and the glossiness of dry film is
95 °, adhesive force reaches 0 grade;Film after 3 hours hardness can reach HB, F can be reached after 12 hours.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.