CN104031539A - Electrostatic spraying priming paint - Google Patents
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- CN104031539A CN104031539A CN201410270681.3A CN201410270681A CN104031539A CN 104031539 A CN104031539 A CN 104031539A CN 201410270681 A CN201410270681 A CN 201410270681A CN 104031539 A CN104031539 A CN 104031539A
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Abstract
The invention provides an electrostatic spraying priming paint. The electrostatic spraying priming paint comprises an agent A and an agent B. The agent A comprises the following components in parts by weight: 45-62 parts of first alkyd resins, a parts of second alkyd resins, b parts of defoaming agents, c parts of flatting agents, 1-5 parts of fillers, and 1-4 parts of bentonite; the agent B comprises the following components in parts by weight: d parts of toluene diisocyanate trimer, 30-60 parts of toluene diisocyanate-trimethylolpropane addition products, and 10-50 parts of solvents; the mass ratio of the agent A to the agent B is 1 to (0.3-0.8). The electrostatic spraying priming paint comprises bentonite, the content of toluene diisocyanate trimer in the electrostatic spraying priming paint is less, and the mass proportion of the agent A and the agent B in the electrostatic spraying priming paint is moderate, so that the electrostatic spraying priming paint is high in sagging resistance and cladding property and long in gel time.
Description
Technical field
The present invention relates to technical field of coatings, relate in particular to a kind of electrostatic spraying priming paint.
Background technology
Electrostatic spraying is to utilize high pressure static electricity electric field to make electronegative paint particles along the direction orientation movement contrary with electric field, and paint particles is adsorbed on to a kind of spraying method of workpiece surface.In the process of electrostatic spraying, paint particles can be adsorbed on workpiece surface securely, effectively prevents coating escape, improves the utilization ratio of coating, and therefore electrostatic spraying can be saved a large amount of coating.In addition, electrostatic spraying can also reduce atmospheric pollution, makes spraying coating process mechanize, serialization, reduces scrap rate, enhances productivity.
Filmogen in coating and pigment great majority are made up of macromolecular organic compound, mostly be the dielectric medium of conduction, but the conduction value of former paint generally, within the scope of 75M Ω cm～400M Ω cm, is difficult to meet the requirement of electrostatic spraying, need to add static thinner to increase the conductivity of coating.Conventional static thinner has diacetone alcohol, n-Butyl lactate, low-carbon (LC) alcohols, ketone equal solvent, and the consumption of static thinner, depending on the kind of former paint, requires to be as the criterion to meet the conduction of paint vehicle.Application number is that 201210507675.6 Chinese patent discloses a kind of ultraviolet light polymerization (UV) electrostatic spraying transparent priming woodwork coating, this coating is made up of A, two kinds of components of B, and described A component comprises epoxy acrylate, modified epoxy acrylic ester, reactive thinner, defoamer, dust-proofing agent, color stuffing and light trigger; Described B component comprises vinyl acetic monomer.This electrostatic spraying transparent priming that prior art provides has the advantages such as hardness is high, production efficiency is high, grinability is good, but its rate of drying is slow, glossiness is poor.
Application number is that 201310558766.7 Chinese patent discloses a kind of PU electrostatic japanning, comprises priming paint, finish paint, solidifying agent and static thinner four parts compositions, and described priming paint is made up of the component of following weight percent: 50%～60% Synolac; 3%～5% organobentonite; 4%～6% Zinic stearas slurry; 1/2 second nitrated cotton pulp of 10%～20%; 15%～25% talcum powder; 0.5%～1% the anti-settling slurry of polyamide wax; 0.3%～1% functional agent; 5%～7% solvent; Described Synolac is the mixture of range of viscosities 30000Pas～40000Pas and 90000Pas～100000Pas.This electrostatic that prior art provides is painted, and rate of drying is fast, glossiness is high, but sag resistance, the covering property of the japanning of this electrostatic are poor, and its gel time is shorter.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of electrostatic spraying priming paint, electrostatic spraying priming paint provided by the invention has good sag resistance, covering property and longer gel time.
The invention provides a kind of electrostatic spraying priming paint, comprise A agent and B agent,
In weight part, described A agent comprises:
First Synolac of 45 parts～62 parts, described the first Synolac comprises soybean oil Synolac or Oleum Cocois Synolac;
Second Synolac of a part, 0 < a≤15, described the second Synolac comprises ricinoleyl alcohol acid resin;
The defoamer of b part, 0 < b≤0.5;
The flow agent of c part, 0 < c≤0.5;
The filler of 1 part～5 parts;
The wilkinite of 1 part～4 parts;
The solvent of 20 parts～40 parts;
In weight part, described B agent comprises:
The toluene diisocyanate trimer of d part, 0 < d≤10;
Tolylene diisocyanate-TriMethylolPropane(TMP) affixture of 30 parts～60 parts;
The solvent of 10 parts～60 parts;
The mass ratio of described A agent and B agent is 1:(0.3～0.8).
Preferably, described A agent comprises the wilkinite of 2 parts～3 parts.
Preferably, described B agent comprises the toluene diisocyanate trimer of 3 parts～7 parts.
Preferably, the mass ratio of described A agent and B agent is 1:(0.4～0.6).
Preferably, described the first Synolac is soybean oil Synolac.
Preferably, described filler comprises talcum powder, kaolin, silicon-dioxide or Zinic stearas.
Preferably, described filler is Zinic stearas.
Preferably, described defoamer is non-silicon defoaming agent.
Preferably, described flow agent comprises organosilicon type flow agent or acrylate type flow agent.
Preferably, the solvent in described A agent comprises ester compound or benzene-like compounds;
Solvent in described B agent comprises ester compound or benzene-like compounds.
The invention provides a kind of electrostatic spraying priming paint, comprise A agent and B agent, in weight part, described A agent comprises: first Synolac of 45 parts～62 parts, and described the first Synolac comprises soybean oil Synolac or Oleum Cocois Synolac; Second Synolac of a part, 0 < a≤15, described the second Synolac comprises ricinoleyl alcohol acid resin; The defoamer of b part, 0 < b≤0.5; The flow agent of c part, 0 < c≤0.5; The filler of 1 part～5 parts; The wilkinite of 1 part～4 parts; The solvent of 20 parts～40 parts; In weight part, described B agent comprises: the toluene diisocyanate trimer of d part, 0 < d≤10; Tolylene diisocyanate-TriMethylolPropane(TMP) affixture of 30 parts～60 parts; The solvent of 10 parts～50 parts; The mass ratio of described A agent and B agent is 1:(0.3～0.8).Electrostatic spraying priming paint provided by the invention comprises wilkinite, and make electrostatic spraying priming paint provided by the invention have good sag resistance bentonitic adding; And the content of toluene diisocyanate trimer in electrostatic spraying priming paint provided by the invention is less, makes electrostatic spraying priming paint provided by the invention have longer gel time; In electrostatic spraying priming paint provided by the invention, the mass ratio of A agent and B agent is moderate simultaneously, makes electrostatic spraying priming paint provided by the invention have good covering property; Therefore electrostatic spraying priming paint provided by the invention has good sag resistance, covering property and longer gel time.
Experimental result shows, electrostatic spraying priming paint provided by the invention sprays to material surface in the dry process of described electrostatic spraying priming paint, material surface there is no bottom an electrostatic spraying priming paint oil droplet, after described electrostatic spraying priming paint is dry, the paint film thin and thick on material surface is even, and the sag resistance of electrostatic spraying priming paint provided by the invention is better; The gel time > of electrostatic spraying provided by the invention 8 hours, gel time is longer; Use electrostatic sprayer to spray in electrostatic spraying priming paint provided by the invention, coating is smooth, there is no dead angle, and covering property is good.
Embodiment
The invention provides a kind of electrostatic spraying priming paint, comprise A agent and B agent,
In weight part, described A agent comprises:
First Synolac of 45 parts～62 parts, described the first Synolac comprises soybean oil Synolac or Oleum Cocois Synolac;
Second Synolac of a part, 0 < a≤15, described the second Synolac comprises ricinoleyl alcohol acid resin;
The defoamer of b part, 0 < b≤0.5;
The flow agent of c part, 0 < c≤0.5;
The filler of 1 part～5 parts;
The wilkinite of 1 part～4 parts;
The solvent of 20 parts～40 parts;
In weight part, described B agent comprises:
The toluene diisocyanate trimer of d part, 0 < d≤10;
Tolylene diisocyanate-TriMethylolPropane(TMP) affixture of 30 parts～60 parts;
The solvent of 10 parts～50 parts;
The mass ratio of described A agent and B agent is 1:(0.3～0.8).
Electrostatic spraying priming paint provided by the invention comprises wilkinite, and make electrostatic spraying priming paint provided by the invention have good sag resistance bentonitic adding; And the content of toluene diisocyanate trimer in electrostatic spraying priming paint provided by the invention is less, makes electrostatic spraying priming paint provided by the invention have longer gel time; In electrostatic spraying priming paint provided by the invention, the mass ratio of A agent and B agent is moderate simultaneously, makes electrostatic spraying priming paint provided by the invention have good covering property; Therefore electrostatic spraying priming paint provided by the invention has good sag resistance, covering property and longer gel time.
Electrostatic spraying priming paint provided by the invention comprises A agent, and described A agent comprises the first Synolac of 45 weight part～62 weight parts, and described the first Synolac comprises soybean oil Synolac or Oleum Cocois Synolac.In the present invention, described A agent preferably includes the first Synolac of 48 weight part～56 weight parts, more preferably 50 weight part～53 weight parts.In the present invention, the acid number of described the first Synolac preferably≤12mgKOH/g, more preferably 8mgKOH/g～10mgKOH/g.In the present invention, the viscosity of described the first Synolac is preferably 70000CPS～90000CPS, and more preferably 75000CPS～85000CPS, most preferably is 78000CPS～82000CPS.In the present invention, more preferably soybean oil Synolac of described the first Synolac.The present invention does not have special restriction to the source of described the first Synolac, can be bought and be obtained by market.In an embodiment of the present invention, the 3310 type soybean oil Synolac that described the first Synolac can provide for Foshan immortality Chemical Co., Ltd..
In the present invention, taking the parts by weight of the first Synolac as benchmark, described A agent comprises the second Synolac of a weight part, 0 < a≤15, and described the second Synolac comprises ricinoleyl alcohol acid resin.In the present invention, described A agent preferably includes the second Synolac of 4 weight part～12 weight parts, more preferably 8 weight part～10 weight parts.In the present invention, the acid number of described the second Synolac preferably≤9mgKOH/g, more preferably 6mgKOH/g～8mgKOH/g.In the present invention, the viscosity of described the second Synolac is preferably 6500mPas～7500mPas, and more preferably 6800mPas～7200mPas, most preferably is 7000mPas.The present invention does not have special restriction to the source of described the second Synolac, can be bought and be obtained by market.In an embodiment of the present invention, the 735A type ricinoleyl alcohol acid resin that described the second Synolac can provide for Foshan Jingsha Chemical Co., Ltd..
In the present invention, taking the parts by weight of the first Synolac as benchmark, described A agent comprises the defoamer of b weight part, 0 < b≤0.5; Preferably, 0.2≤b≤0.4; Preferred, b is 0.3.In the present invention, described defoamer can be eliminated the bubble in electrostatic spraying priming paint provided by the invention, avoids occurring the disadvantage such as shrinkage cavity, pinprick in the film of electrostatic spraying priming paint.The present invention does not have special restriction to the kind of described defoamer and source, adopts defoamer for coating well known to those skilled in the art, can buy acquisition by market.In the present invention, described defoamer is preferably non-silicon defoaming agent, more preferably solvent-borne type non-silicon defoaming agent.In an embodiment of the present invention, described defoamer can provide for China's Chemical Group HX2300 type defoamer or HX2500 type defoamer.
In the present invention, taking the parts by weight of the first Synolac as benchmark, described A agent comprises the flow agent of c weight part, 0 < c≤0.5; Preferably, 0.2≤c≤0.4; Preferred, c is 0.3.In the present invention, described flow agent makes electrostatic spraying priming paint provided by the invention form smooth, smooth, uniform film.The present invention does not have special restriction to the kind of described flow agent and source, adopts leveling agent for coating well known to those skilled in the art, can be bought and be obtained by market.In the present invention, described flow agent preferably includes organic silicon type flow agent or acrylate type flow agent.In the present invention, described organosilicon type flow agent is preferably polysiloxane flow agent, the polysiloxane flow agent of more preferably aromatic base modification.In the present invention, described acrylate type flow agent is preferably polyacrylate flow agent.In an embodiment of the present invention, described flow agent can provide for China's Chemical Group HX3200 type flow agent or HX3130 type flow agent.
In the present invention, taking the parts by weight of the first Synolac as benchmark, described A agent comprises the filler of 1 weight part～5 weight part, and more preferably 2 weight part～4 weight parts, most preferably are 3 weight parts.In the present invention, described filler preferably includes talcum powder, kaolin, silicon-dioxide or Zinic stearas, more preferably Zinic stearas.It is filler that the present invention preferably adopts Zinic stearas, and described Zinic stearas can improve grinability and the transparency of electrostatic spraying priming paint provided by the invention.The present invention does not have special restriction to the source of described filler, adopts the filler of mentioned kind well known to those skilled in the art, can be bought and be obtained by market.
In the present invention, taking the parts by weight of the first Synolac as benchmark, described A agent comprises the wilkinite of 1 weight part～4 weight part, is preferably 2 weight part～3 weight parts.In the present invention, described wilkinite makes electrostatic spraying priming paint provided by the invention have good sag resistance.In the present invention, described wilkinite is preferably organobentonite.In the present invention, described bentonite granularity is preferably 160 order～240 orders, and more preferably 180 order～220 orders, most preferably are 200 orders.In the present invention, in described organobentonite, the mass content of montmorillonite is preferably >=90%.The present invention does not have special restriction to described bentonitic source, can be bought and be obtained by market.In an embodiment of the present invention, the BT-828 type organobentonite that described wilkinite can provide for Anji Tian Long company.
In the present invention, taking the parts by weight of the first Synolac as benchmark, described A agent comprises the solvent of 20 weight part～40 weight parts, is preferably 25 weight part～35 weight parts, more preferably 28 weight part～32 weight parts.The present invention does not have special restriction to the kind of described solvent and source, adopts solvent for coating well known to those skilled in the art, can buy acquisition by market.In the present invention, described solvent preferably includes ester compound or benzene-like compounds, more preferably vinyl acetic monomer, n-butyl acetate, Iso Butyl Acetate, 1-Methoxy-2-propyl acetate, toluene or dimethylbenzene, most preferably is n-butyl acetate, 1-Methoxy-2-propyl acetate or dimethylbenzene.
Electrostatic spraying priming paint provided by the invention comprises B agent, and described B agent comprises the toluene diisocyanate trimer of d weight part, 0 < d≤10; Preferably, 3≤d≤7; Preferred, 4≤d≤6; Most preferred, d is 5.In electrostatic spraying priming paint provided by the invention, the content of tolylene diisocyanate is less, makes described electrostatic spraying priming paint have longer gel time.The present invention does not have special restriction to the source of described toluene diisocyanate trimer, can be bought and be obtained by market.In an embodiment of the present invention, described toluene diisocyanate trimer can be Bayer IL1451 type solidifying agent.
In the present invention, taking the parts by weight of toluene diisocyanate trimer as benchmark, described B agent comprises tolylene diisocyanate-TriMethylolPropane(TMP) affixture of 30 weight part～60 weight parts, be preferably 35 weight part～55 weight parts, more preferably 40 weight part～50 weight parts, most preferably are 45 weight part～48 weight parts.In the present invention, described in described tolylene diisocyanate-TriMethylolPropane(TMP) affixture and technique scheme, toluene diisocyanate trimer is solidifying agent, described tolylene diisocyanate-TriMethylolPropane(TMP) affixture and toluene diisocyanate trimer react with the first Synolac and the second Synolac described in technique scheme, make electrostatic spraying priming paint film forming provided by the invention.The present invention does not have special restriction to the source of described tolylene diisocyanate-TriMethylolPropane(TMP) affixture, can be bought and be obtained by market.In an embodiment of the present invention, described tolylene diisocyanate-TriMethylolPropane(TMP) affixture can be Mitsui L-75 type solidifying agent.
In the present invention, taking the parts by weight of toluene diisocyanate trimer as benchmark, described B agent comprises the solvent of 10 weight part～60 weight parts, is preferably 20 weight part～50 weight parts, more preferably 30 weight part～40 weight parts.In the present invention, in described B agent, the kind of solvent is consistent with kind and the source of solvent in A agent described in technique scheme with source, does not repeat them here.In the present invention, the solvent in described B agent can with A agent described in technique scheme in solvent phase with, also can be different.
In the present invention, the mass ratio of described A agent and B agent is 1:(0.3～0.8), be preferably 1:(0.4～0.6), more preferably 1:0.5.A agent in electrostatic spraying priming paint provided by the invention and the mass ratio of B agent are suitable, make described electrostatic spraying priming paint have good covering property.
In the present invention, described in technique scheme, the preparation method of electrostatic spraying priming paint is preferably:
A agent and B agent are mixed, obtain electrostatic spraying priming paint.
The present invention preferably, under the condition stirring, mixes A agent and B agent, obtains electrostatic spraying priming paint.In the present invention, the speed of described stirring is preferably 800 revs/min～1200 revs/min, more preferably 1000 revs/min.In the present invention, described electrostatic spraying priming paint is preferably now with the current.
In the present invention, described A agent and the parts by weight of each component in B agent and each component are consistent with the parts by weight of each component in A agent described in technique scheme and B agent and each component, do not repeat them here.In the present invention, the mass ratio of described A agent and B agent is consistent with the mass ratio of A agent described in technique scheme and B agent, does not repeat them here.The present invention preferably mixes the each component in A agent, obtains A agent composition; Each component in B agent is mixed, obtain B agent composition; Described A agent composition and B agent composition are mixed, obtain electrostatic spraying priming paint; The restriction of the not free order of each component in the each component in described mixing A agent and mixing B agent.
In the present invention, in described mixing A agent, the method for each component is preferably:
Solvent in the first Synolac, the second Synolac and A agent is carried out to the first mixing, obtain the first mixture; Described the first mixture and defoamer, flow agent are carried out to the second mixing, obtain the second mixture; Described the second mixture and wilkinite are carried out to the 3rd mixing, obtain the 3rd mixture; Described the 3rd mixture and filler are carried out to the 4th mixing, obtain A agent composition.
The present invention does not have special restriction to the described first method of mixing, and adopts hybrid technology scheme well known to those skilled in the art.Obtain after the first mixture, the present invention preferably joins defoamer and flow agent in described the first mixture and carries out the second mixing, obtains the second mixture.In the present invention, described second mix time be preferably 8 minutes～12 minutes, more preferably 10 minutes.Obtain after the second mixture, the present invention preferably joins wilkinite in described the second mixture and carries out the 3rd mixing, obtains the 3rd mixture.In the present invention, the fineness of described the 3rd mixture preferably≤50 microns.Obtain after the 3rd mixture, the present invention preferably joins filler in described the 3rd mixing and carries out the 4th mixing, obtains A agent composition.In the present invention, described the 4th mix time be preferably 8 minutes～12 minutes, more preferably 10 minutes.
In the present invention, kind, source and the parts by weight of solvent, defoamer, flow agent, wilkinite and filler in described the first Synolac, the second Synolac, A agent are consistent with kind, source and the parts by weight of solvent, defoamer, flow agent, wilkinite and filler in the first Synolac, the second Synolac, A agent described in technique scheme, do not repeat them here.
In the present invention, in described mixing B agent, the method for each component is preferably:
By the solvent in tolylene diisocyanate-TriMethylolPropane(TMP) affixture and B agent; The mixture obtaining and toluene diisocyanate trimer are mixed, obtain B agent composition.
By after the solvent in tolylene diisocyanate-TriMethylolPropane(TMP) affixture and B agent, the present invention preferably adds toluene diisocyanate trimer to mix in the mixture obtaining, and obtains B agent composition.
The present invention does not have special restriction to the using method of described electrostatic spraying priming paint, and electrostatic spraying priming paint provided by the invention is adopted to electrostatic spraying apparatus spraying.Before carrying out described spraying, the present invention preferably polishes flat the material of required application.
Electrostatic spraying priming paint provided by the invention is carried out to the test of anti-sag performance, and concrete grammar is:
Electrostatic spraying priming paint provided by the invention is sprayed on to material surface, observes the distribution situation of described electrostatic spraying priming paint on material surface.Test result is that electrostatic spraying priming paint provided by the invention is sprayed on material surface in the dry process of described electrostatic spraying priming paint, material surface there is no bottom an electrostatic spraying priming paint oil droplet, the paint film thin and thick on the dry rear material of described electrostatic spraying priming paint surface is even, and the sag resistance of electrostatic spraying priming paint provided by the invention is better.
Electrostatic spraying priming paint provided by the invention is carried out to gel time test, and concrete grammar is:
A agent in above-mentioned electrostatic spraying priming paint and B agent are mixed, obtain mixture, the mass ratio of described A agent and B agent is consistent with the mass ratio of the agent of A described in technique scheme and B agent; The viscosity that adopts No. 2, rock field cup to test described mixture starts timing in the time that the elution time of described mixture in the cup of No. 2, rock field is 8.5 seconds～9.5 seconds, and in the time that the elution time of described mixture in the cup of No. 2, rock field is 14 seconds～15 seconds, timing finishes; The timing time obtaining is the gel time of electrostatic spraying priming paint provided by the invention.Test result is, the gel time > of electrostatic spraying priming paint provided by the invention 8 hours, and gel time is longer.
Electrostatic spraying priming paint provided by the invention is carried out to covering property test, and concrete grammar is:
Adopt electrostatic spraying priming paint provided by the invention on electrostatic sprayer, dull and stereotyped material to be sprayed, the voltage of described electrostatic sprayer is 100,000 volts, and electric current is 85 milliamperes, and defeated paint air pressure is 0.2 MPa, and atomization air pressure is 0.18 MPa.Test result is, the material coating after electrostatic spraying primer painting provided by the invention is smooth, there is no dead angle, and covering property is better.
The invention provides a kind of electrostatic spraying priming paint, comprise A agent and B agent, in weight part, described A agent comprises: first Synolac of 45 parts～62 parts, and described the first Synolac comprises soybean oil Synolac or Oleum Cocois Synolac; Second Synolac of a part, 0 < a≤15, described the second Synolac comprises ricinoleyl alcohol acid resin; The defoamer of b part, 0 < b≤0.5; The flow agent of c part, 0 < c≤0.5; The filler of 1 part～5 parts; The wilkinite of 1 part～4 parts; The solvent of 20 parts～40 parts; In weight part, described B agent comprises: the toluene diisocyanate trimer of d part, 0 < d≤10; Tolylene diisocyanate-TriMethylolPropane(TMP) affixture of 30 parts～60 parts; The solvent of 10 parts～50 parts; The mass ratio of described A agent and B agent is 1:(0.3～0.8).Electrostatic spraying priming paint provided by the invention comprises wilkinite, and make electrostatic spraying priming paint provided by the invention have good sag resistance bentonitic adding; And the content of toluene diisocyanate trimer in electrostatic spraying priming paint provided by the invention is less, makes electrostatic spraying priming paint provided by the invention have longer gel time; In electrostatic spraying priming paint provided by the invention, the mass ratio of A agent and B agent is moderate simultaneously, makes electrostatic spraying priming paint provided by the invention have good covering property; Therefore electrostatic spraying priming paint provided by the invention has good sag resistance, covering property and longer gel time.
In order further to understand the present invention, below in conjunction with embodiment, electrostatic spraying priming paint provided by the invention is described in detail, but they can not be interpreted as to limiting the scope of the present invention.
Following examples of the present invention raw material used is commercial goods.
Embodiment 1
Under the stirring velocity of 1000 revs/min, the 3310 type soybean oil Synolac of 50g, the 735A type ricinoleyl alcohol acid resin of 12g and the n-butyl acetate of 32.6g are carried out to the first mixing, obtain the first mixture; To adding in described the first mixture the HX2300 type defoamer of 0.3g and the HX3200 type flow agent of 0.3g to carry out 10 minutes second mixing, obtain the second mixture; In the described second mixed thing, add the BT-828 type organobentonite of 2g to carry out the 3rd mixing, obtain the 3rd mixture of fineness≤50 micron; In described the 3rd mixture, add the Zinic stearas of 3g to carry out the 4th mixing of 10 minutes, obtain A agent composition.
The n-butyl acetate of the Mitsui L-75 type solidifying agent of 45g and 50g is mixed, in the mixture obtaining, add the Bayer IL1451 type solidifying agent of 5g to mix, obtain B agent composition.
The ratio that is 1:0.5 according to mass ratio by described A agent composition and B agent composition is mixed, and obtains electrostatic spraying priming paint.
The electrostatic spraying priming paint that the embodiment of the present invention 1 is obtained is sprayed on material surface, observe the distribution situation of described electrostatic spraying priming paint on material surface, the electrostatic spraying priming paint that observations provides for the embodiment of the present invention 1 is sprayed on material surface in the dry process of described electrostatic spraying priming paint, material surface there is no bottom an electrostatic spraying priming paint oil droplet, the paint film thin and thick on the dry rear material of described electrostatic spraying priming paint surface is even, and the electrostatic spraying priming paint that the embodiment of the present invention 1 provides has good sag resistance.
The ratio that is 1:0.5 according to mass ratio by A agent composition in the embodiment of the present invention 1 and B agent composition is mixed, the viscosity that adopts No. 2, rock field cup to test the mixture obtaining, in the time that being 9 seconds, start the elution time of described mixture in the cup of No. 2, rock field timing, after 8 hours, the elution time of described mixture in the cup of No. 2, rock field is 11.8 seconds, the gel time > of the electrostatic spraying priming paint that therefore embodiment of the present invention 1 provides 8 hours, the electrostatic spraying priming paint that the embodiment of the present invention 1 provides has longer gel time.
The electrostatic spraying priming paint that the embodiment of the present invention 1 is provided sprays dull and stereotyped material on electrostatic sprayer, and the voltage of described electrostatic sprayer is 100,000 volts, and electric current is 85 milliamperes, and defeated paint air pressure is 0.2 MPa, and atomization air pressure is 0.18 MPa.Material coating after the electrostatic spraying primer painting that the embodiment of the present invention 1 provides is smooth, there is no dead angle, and the electrostatic spraying priming paint that the embodiment of the present invention 1 provides has good covering property.
Embodiment 2
Under the stirring velocity of 800 revs/min, the 3310 type soybean oil Synolac of 45g, the 735A type ricinoleyl alcohol acid resin of 4g and the 1-Methoxy-2-propyl acetate of 20g are carried out to the first mixing, obtain the first mixture; To adding in described the first mixture the HX2500 type defoamer of 0.2g and the HX3130 type flow agent of 0.4g to carry out 8 minutes second mixing, obtain the second mixture; In the described second mixed thing, add the wilkinite of 1g to carry out the 3rd mixing, obtain the 3rd mixture of fineness≤50 micron; In described the 3rd mixture, add the Zinic stearas of 1g to carry out the 4th mixing of 12 minutes, obtain A agent composition.
The 1-Methoxy-2-propyl acetate of the Mitsui L-75 type solidifying agent of 30g and 60g is mixed, in the mixture obtaining, add the Bayer IL1451 type solidifying agent of 3g to mix, obtain B agent composition.
The ratio that is 1:0.3 according to mass ratio by described A agent composition and B agent composition is mixed, and obtains electrostatic spraying priming paint.
The electrostatic spraying priming paint that the embodiment of the present invention 2 is obtained is tested its sag resistance, gel time and covering property according to the method described in embodiment 1, the electrostatic spraying priming paint that test result provides for the embodiment of the present invention 2 is sprayed on material surface in the dry process of described electrostatic spraying priming paint, material surface there is no bottom an electrostatic spraying priming paint oil droplet, after described electrostatic spraying priming paint is dry, the paint film thin and thick on material surface is even; The gel time > of the electrostatic spraying priming paint that the embodiment of the present invention 2 provides 8 hours; Material coating after the electrostatic spraying primer painting that the embodiment of the present invention 2 provides is smooth, there is no dead angle; The electrostatic spraying priming paint that the embodiment of the present invention 2 provides has good sag resistance, covering property and longer gel time.
Embodiment 3
Under the stirring velocity of 1200 revs/min, the 735A type ricinoleyl alcohol acid resin of the Oleum Cocois Synolac of 56g, 10g and the dimethylbenzene of 28g are carried out to the first mixing, obtain the first mixture; To adding in described the first mixture the HX2500 type defoamer of 0.4g and the HX3200 type flow agent of 0.2g to carry out 12 minutes second mixing, obtain the second mixture; In the described second mixed thing, add the wilkinite of 3g to carry out the 3rd mixing, obtain the 3rd mixture of fineness≤50 micron; In described the 3rd mixture, add the Zinic stearas of 4g to carry out the 4th mixing of 8 minutes, obtain A agent composition.
The dimethylbenzene of the Mitsui L-75 type solidifying agent of 50g and 40g is mixed, in the mixture obtaining, add the Bayer IL1451 type solidifying agent of 7g to mix, obtain B agent composition.
The ratio that is 1:0.6 according to mass ratio by described A agent composition and B agent composition is mixed, and obtains electrostatic spraying priming paint.
The electrostatic spraying priming paint that the embodiment of the present invention 3 is obtained is tested its sag resistance, gel time and covering property according to the method described in embodiment 1, the electrostatic spraying priming paint that test result provides for the embodiment of the present invention 3 is sprayed on material surface in the dry process of described electrostatic spraying priming paint, material surface there is no bottom an electrostatic spraying priming paint oil droplet, after described electrostatic spraying priming paint is dry, the paint film thin and thick on material surface is even; The gel time > of the electrostatic spraying priming paint that the embodiment of the present invention 3 provides 8 hours; Material coating after the electrostatic spraying primer painting that the embodiment of the present invention 3 provides is smooth, there is no dead angle; The electrostatic spraying priming paint that the embodiment of the present invention 3 provides has good sag resistance, covering property and longer gel time.
Embodiment 4
Under the stirring velocity of 1000 revs/min, the 3310 type soybean oil Synolac of 62g, the 735A type ricinoleyl alcohol acid resin of 15g and the n-butyl acetate of 40g are carried out to the first mixing, obtain the first mixture; To adding in described the first mixture the HX2300 type defoamer of 0.5g and the HX3130 type flow agent of 0.5g to carry out 10 minutes second mixing, obtain the second mixture; In the described second mixed thing, add the wilkinite of 5g to carry out the 3rd mixing, obtain the 3rd mixture of fineness≤50 micron; In described the 3rd mixture, add the Zinic stearas of 5g to carry out the 4th mixing of 10 minutes, obtain A agent composition.
The dimethylbenzene of the Mitsui L-75 type solidifying agent of 60g and 10g is mixed, in the mixture obtaining, add the Bayer IL1451 type solidifying agent of 10g to mix, obtain B agent composition.
The ratio that is 1:0.8 according to mass ratio by described A agent composition and B agent composition is mixed, and obtains electrostatic spraying priming paint.
The electrostatic spraying priming paint that the embodiment of the present invention 4 is obtained is tested its sag resistance, gel time and covering property according to the method described in embodiment 1, the electrostatic spraying priming paint that test result provides for the embodiment of the present invention 4 is sprayed on material surface in the dry process of described electrostatic spraying priming paint, material surface there is no bottom an electrostatic spraying priming paint oil droplet, after described electrostatic spraying priming paint is dry, the paint film thin and thick on material surface is even; The gel time > of the electrostatic spraying priming paint that the embodiment of the present invention 4 provides 8 hours; Material coating after the electrostatic spraying primer painting that the embodiment of the present invention 4 provides is smooth, there is no dead angle; The electrostatic spraying priming paint that the embodiment of the present invention 4 provides has good sag resistance, covering property and longer gel time.
Comparative example 1
Under the stirring velocity of 1000 revs/min, the 3310 type soybean oil Synolac of 70g, the 735A type ricinoleyl alcohol acid resin of 12g and the n-butyl acetate of 32.6g are carried out to the first mixing, obtain the first mixture; To adding in described the first mixture the HX2300 type defoamer of 0.3g and the HX3200 type flow agent of 0.3g to carry out 10 minutes second mixing, obtain the second mixture; In described the second mixture, add the Zinic stearas of 3g to carry out the 3rd mixing of 10 minutes, obtain A agent composition.
The n-butyl acetate of the Mitsui L-75 type solidifying agent of 5g and 50g is mixed, in the mixture obtaining, add the Bayer IL1451 type solidifying agent of 45g to mix, obtain B agent composition.
The ratio that is 1:2 according to mass ratio by described A agent composition and B agent composition is mixed, and obtains electrostatic spraying priming paint.
The electrostatic spraying priming paint that comparative example 1 of the present invention is obtained is tested its sag resistance, gel time and covering property according to the method described in embodiment 1, the electrostatic spraying priming paint that test result provides for comparative example 1 of the present invention is sprayed on material surface in the dry process of described electrostatic spraying priming paint, from the lower end drippage electrostatic spraying priming paint oil droplet on material surface, after described electrostatic spraying priming paint is dry, there is pit on material surface, and the first half paint film on material surface is thinner, the lower end paint film that more approaches material surface is thicker; The gel time of the electrostatic spraying priming paint that comparative example 1 of the present invention provides is 2 hours; Material coating after the electrostatic spraying primer painting that comparative example 1 of the present invention provides has pit, has dead angle; Sag resistance, the covering property of the electrostatic spraying priming paint that comparative example 1 of the present invention provides are poor, and its gel time is shorter.
As seen from the above embodiment, the invention provides a kind of electrostatic spraying priming paint, comprise A agent and B agent, in weight part, described A agent comprises: first Synolac of 45 parts～62 parts, and described the first Synolac comprises soybean oil Synolac or Oleum Cocois Synolac; Second Synolac of a part, 0 < a≤15, described the second Synolac comprises ricinoleyl alcohol acid resin; The defoamer of b part, 0 < b≤0.5; The flow agent of c part, 0 < c≤0.5; The filler of 1 part～5 parts; The wilkinite of 1 part～4 parts; The solvent of 20 parts～40 parts; In weight part, described B agent comprises: the toluene diisocyanate trimer of d part, 0 < d≤10; Tolylene diisocyanate-TriMethylolPropane(TMP) affixture of 30 parts～60 parts; The solvent of 10 parts～50 parts; The mass ratio of described A agent and B agent is 1:(0.3～0.8).Electrostatic spraying priming paint provided by the invention comprises wilkinite, and make electrostatic spraying priming paint provided by the invention have good sag resistance bentonitic adding; And the content of toluene diisocyanate trimer in electrostatic spraying priming paint provided by the invention is less, makes electrostatic spraying priming paint provided by the invention have longer gel time; In electrostatic spraying priming paint provided by the invention, the mass ratio of A agent and B agent is moderate simultaneously, makes electrostatic spraying priming paint provided by the invention have good covering property; Therefore electrostatic spraying priming paint provided by the invention has good sag resistance, covering property and longer gel time.
The explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.To the above-mentioned explanation of the disclosed embodiments, make the special technician in this area can realize or use the present invention, concerning professional and technical personnel in the field, will be apparent to the multiple amendment of these embodiment.General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and novel features.
Claims (10)
1. an electrostatic spraying priming paint, comprises A agent and B agent,
In weight part, described A agent comprises:
First Synolac of 45 parts～62 parts, described the first Synolac comprises soybean oil Synolac or Oleum Cocois Synolac;
Second Synolac of a part, 0 < a≤15, described the second Synolac comprises ricinoleyl alcohol acid resin;
The defoamer of b part, 0 < b≤0.5;
The flow agent of c part, 0 < c≤0.5;
The filler of 1 part～5 parts;
The wilkinite of 1 part～4 parts;
The solvent of 20 parts～40 parts;
In weight part, described B agent comprises:
The toluene diisocyanate trimer of d part, 0 < d≤10;
Tolylene diisocyanate-TriMethylolPropane(TMP) affixture of 30 parts～60 parts;
The solvent of 10 parts～60 parts;
The mass ratio of described A agent and B agent is 1:(0.3～0.8).
2. electrostatic spraying priming paint according to claim 1, is characterized in that, described A agent comprises the wilkinite of 2 parts～3 parts.
3. electrostatic spraying priming paint according to claim 1, is characterized in that, described B agent comprises the toluene diisocyanate trimer of 3 parts～7 parts.
4. electrostatic spraying priming paint according to claim 1, is characterized in that, the mass ratio of described A agent and B agent is 1:(0.4～0.6).
5. electrostatic spraying priming paint according to claim 1, is characterized in that, described the first Synolac is soybean oil Synolac.
6. electrostatic spraying priming paint according to claim 1, is characterized in that, described filler comprises talcum powder, kaolin, silicon-dioxide or Zinic stearas.
7. electrostatic spraying priming paint according to claim 6, is characterized in that, described filler is Zinic stearas.
8. electrostatic spraying priming paint according to claim 1, is characterized in that, described defoamer is non-silicon defoaming agent.
9. electrostatic spraying priming paint according to claim 1, is characterized in that, described flow agent comprises organosilicon type flow agent or acrylate type flow agent.
10. electrostatic spraying priming paint according to claim 1, is characterized in that, the solvent in described A agent comprises ester compound or benzene-like compounds;
Solvent in described B agent comprises ester compound or benzene-like compounds.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109762460A (en) * | 2018-11-30 | 2019-05-17 | 成都展辰涂料有限公司 | A kind of two hours undercarriages of electrostatic spraying are stacked without clear dulling material of impression polyurethane and preparation method thereof |
| CN114032014A (en) * | 2021-11-30 | 2022-02-11 | 广东鸿昌化工有限公司 | PU white primer for pine and preparation method thereof |
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| CN102382564A (en) * | 2011-09-01 | 2012-03-21 | 立邦涂料(成都)有限公司 | Polyurethane matt woodenware paint |
| CN103131316A (en) * | 2013-03-15 | 2013-06-05 | 立邦涂料(成都)有限公司 | Clear wood paint and preparation method thereof |
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| CN1640970A (en) * | 2004-02-26 | 2005-07-20 | 深圳市展辰达化工有限公司 | Polyurethane termite-proof insect-protected enclosed primping paint |
| CN101555380B (en) * | 2008-04-12 | 2011-08-03 | 方学平 | Antibacterial polyurethane wood floor paint |
| CN102382564A (en) * | 2011-09-01 | 2012-03-21 | 立邦涂料(成都)有限公司 | Polyurethane matt woodenware paint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109762460A (en) * | 2018-11-30 | 2019-05-17 | 成都展辰涂料有限公司 | A kind of two hours undercarriages of electrostatic spraying are stacked without clear dulling material of impression polyurethane and preparation method thereof |
| CN114032014A (en) * | 2021-11-30 | 2022-02-11 | 广东鸿昌化工有限公司 | PU white primer for pine and preparation method thereof |
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| CN104031539B (en) | 2016-08-31 |
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Address after: 518000. South of sightseeing highway, Baihua Industrial Park, Guangming District, Guangdong, Shenzhen Co-patentee after: SHANGHAI ZHANCHEN PAINT Co.,Ltd. Patentee after: China Zhanchen New Materials Group Co.,Ltd. Co-patentee after: Beijing zhanchen Intelligent Property Management Co.,Ltd. Co-patentee after: CHENGDU ZHANCHEN PAINTS Co.,Ltd. Co-patentee after: QINGDAO ZHANCHEN NEW MATERIAL Co.,Ltd. Address before: 518000. South of sightseeing highway, Baihua Industrial Park, Guangming District, Guangdong, Shenzhen Co-patentee before: SHANGHAI ZHANCHEN PAINT Co.,Ltd. Patentee before: China Zhanchen New Materials Group Co.,Ltd. Co-patentee before: BEIJING ZHANCHEN NEW MATERIAL Co.,Ltd. Co-patentee before: CHENGDU ZHANCHEN PAINTS Co.,Ltd. Co-patentee before: QINGDAO ZHANCHEN NEW MATERIAL Co.,Ltd. |
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Effective date of registration: 20191225 Address after: 519000 No. 28 Nanhua Third Road, Fine Chemical Industry Zone, Gaolangang Economic Zone, Zhuhai City, Guangdong Province Patentee after: Zhuhai zhanchen New Material Co.,Ltd. Address before: 518000. South of sightseeing highway, Baihua Industrial Park, Guangming District, Guangdong, Shenzhen Co-patentee before: SHANGHAI ZHANCHEN PAINT Co.,Ltd. Patentee before: China Zhanchen New Materials Group Co.,Ltd. Co-patentee before: Beijing zhanchen Intelligent Property Management Co.,Ltd. Co-patentee before: CHENGDU ZHANCHEN PAINTS Co.,Ltd. Co-patentee before: QINGDAO ZHANCHEN NEW MATERIAL Co.,Ltd. |