A kind of high rigidity scrubbing resistance inner-outer wall emulsion paint
Technical field
The invention belongs to paint field, be specifically related to a kind of inner-outer wall acrylic emulsion paint of modification.
Background technology
Emulsion paint take macromolecule emulsion as a class coating of filmogen, also known as synthetic resin emulsion coating, it is generally using water as dispersion medium, have preparation technology simply, the feature such as relatively environmental protection, tint retention be good, but existing emulsion paint also has paint film softness, anti-pollution characteristic is poor, adhesion strength is poor, and paint film such as easily to fray at the shortcoming.
CN102676012A discloses a kind of pure third exterior wall latex coating, it comprises pure-acrylic emulsion, dispersion agent, thickening material, film coalescence aid, flow agent, titanium dioxide, coarse whiting, fine particle calcium carbonate, talcum powder, wollastonite powder, sanitas, defoamer, water, pigment slurry, this coating has the weathering resistance of enhancing and longer work-ing life, but its water tolerance and scrub resistance deficiency, if used as interior wall coating simultaneously, then the performance of resistance to repeatedly scrub water has to be strengthened.
CN103382334A discloses a kind of alkyd modified vinylformic acid High weatherability emulsion, comprises the following raw material according to mass fraction meter: water 30-38 part, ACRYLIC EMULSION 120-130 part, dryness modified alkyd resin 10-15 part, polyacrylic acid grafted polymer-modified PAA-L 0.2-0.5 part, wetting agent
306 0.5-1 parts, defoamer JY-822 0.1-0.2 part, sanitas DI702 1-1.5 part, oxidation inhibitor CYANOX1790 0.1-0.2 part, silicon powder 10-20 part, talcum powder 20-25 part, titanium dioxide 15-20 part, Natvosol 5-10 part, dibutyl tin laurate 5-7 part, maleic acid dibutylester 0.5-0.8 part, propandiol butyl ether 3-5 part.This emulsion paint has the weathering resistance of improvement, but the hardness of paint film and water-proof wait upon reinforcement.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and propose a kind of high rigidity scrubbing resistance inner-outer wall acrylic emulsion paint, it is superior that this emulsion paint has wash-resistant property, environmental protection, the high feature that thus adhesion strength is superior of hardness.
In order to achieve the above object, first the present invention provides a kind of high rigidity scrubbing resistance inner-outer wall emulsion paint, and its composition comprises the component of following weight part:
Wherein, a kind of anticracking agent that can react with the resinous principle in pure-acrylic emulsion is comprised in described composite assistant.Preferably, when present inventor against expectation finds that described anticracking agent is selected from the alkylketene modified-cellulose of C1 ~ C8, the resistance to cleavage of described emulsion paint paint film can not only be improved, and its hardness and scrub resistance can be improved.
Preferably, what described compound color stuffing was selected from Rutile type Titanium Dioxide, superfine alumina silicate (median size is less than or equal to 1.5 microns), wollastonite powder, calcined kaolin, process white, sericite in powder is two or more.More preferably, the applicant of the application finds, add appropriate amount by Rutile type Titanium Dioxide, superfine alumina silicate, wollastonite powder, the high ridge of calcining, the compound color stuffing that forms of process white, sericite in powder, described emulsion paint not only uniformity of chromaticity is good, and abrasion resistance brings up to more than 800 times.
Particularly preferably, described compound color stuffing contains Rutile type Titanium Dioxide 150-250 weight part, superfine alumina silicate 20-30 weight part, wollastonite powder 20-30 weight part, calcined kaolin 35-45 weight part, process white 45-55 weight part and sericite in powder 35-45 weight part.
Also particularly preferably, described compound color stuffing contains Rutile type Titanium Dioxide 180-200 weight part, superfine alumina silicate 25-26 weight part, wollastonite powder 25-26 weight part, calcined kaolin 38-42 weight part, process white 49-51 weight part and sericite in powder 38-42 weight part.
Preferably, described composite assistant comprises anticracking agent, and comprises one or more in thickening material, wetting agent, dispersion agent, flow agent, film coalescence aid, sanitas, whitening agent, defoamer, anti-settling agent and anticracking agent.More preferably, specifically the consisting of of described auxiliary agent: anticracking agent 2-8 weight part, thickening material 3-4 weight part, wetting agent 2-4 weight part, dispersion agent 5-10 weight part, flow agent 2-5 weight part, film coalescence aid 20-40 weight part, sanitas 0.5-2 weight part, whitening agent 0.1-1 weight part, ammoniacal liquor 0.5-2 weight part, defoamer 1-3 weight part and anti-settling agent 2-8 weight part.
The present invention provides a kind of preparation method of high rigidity scrubbing resistance inner-outer wall emulsion paint in addition, and it comprises above-mentioned each raw material mixing, stirs, and the process of grinding.
Preferably, above-mentioned preparation method comprises:
1) join in diluent water by part thickening material, anticracking agent, wetting agent, dispersion agent, flow agent, film coalescence aid, sanitas, whitening agent, ammoniacal liquor, defoamer and anti-settling agent, mixing, stirs;
2) to step 1) add compound color stuffing in the mixture that obtains, stir;
3) to step 2) add pure-acrylic emulsion in the mixture that obtains, stir;
4) to step 3) add the thickening material of surplus in the mixture that obtains, to stir, grinding, obtain described inner-outer wall emulsion paint.
More preferably, aforesaid method step 1) in thickening material be methyl cellulose ether, step 4) thickening material of described surplus and step 1) described in thickening material different, be specifically as follows the combination of ASE-60 and TT-935.
Preferably, described defoamer adopts mineral oil defoaming agent, plant oil defoamer, is specifically as follows B-943 defoamer; Dispersion agent adopts dispersion agent, the ammonium acrylate salt dispersion agent of hydrophobically modified co-poly carboxylic acid salt, is specifically as follows SN5040,1124 dispersion agents; Wetting agent adopts the wetting agent of ethoxylation class, is specifically as follows S-951 wetting agent; Thickening material adopts cellulose family, acrylic acid or the like, hydrophobically modified associative thickener etc., is specifically as follows ASE-60 or TT-935 and combination thereof; Flow agent adopts the flow agent of polyurethanes, is specifically as follows RM-2020; Film coalescence aid can adopt the mixed system of alkoxide and alcohol; Sanitas adopts isothiazolinone, is specifically as follows FF-02; Whitening agent can be two triazine amino-type and ultramarines etc.; Anti-settling agent can be the conventional anti-settling thixotropic agent of water-based, is specifically as follows RX type.
Embodiment
The performance test of the application adopts following standard:
GB/T 9755-2001 " exterior wall coating material of synthetic resin emulsion ";
GB/T 9756-2009 " resin latex dope ";
GB 18582-2008 " in indoor decorating and refurnishing materials interior wall coating limits of harmful substances "
The source of part material used in embodiment:
Embodiment 1
High rigidity scrubbing resistance inner-outer wall emulsion paint is prepared by following steps:
1) 0.3 part of thickening material methyl cellulose ether, 5 parts of anticracking agent ethylene methacrylic ketone modified-celluloses, 3 parts of wetting agent S-951,2 parts of dispersion agent SN5040,6 parts of dispersion agents, 1124,3 parts of flow agent RM-2020,12 parts of film coalescence aid Tcxanol and 20 part ethylene glycol, 1 part of sanitas FF-02,0.4 part of whitening agent ultramarine, 1 part of ammoniacal liquor, 2 parts of defoamer B-943 and 5 part of anti-settling thixotropic agent of RX type are joined in diluent water, mixing, stirs;
2) to step 1) add compound color stuffing in the mixture that obtains, stir, wherein said compound color stuffing is made up of 200 parts of Rutile type Titanium Dioxides, 25 parts of superfine alumina silicates, 26 parts of wollastonite powder, 40 parts of calcined kaolins, 50 parts of process whites and 40 parts of sericites in powder;
3) to step 2) add 520 parts of pure-acrylic emulsion AC261 in the mixture that obtains, stir;
4) to step 3) add 3 parts of thickening material ASE-60 and 0.5 part thickening material TT-935 in the mixture that obtains, to stir, grinding, obtain described inner-outer wall emulsion paint.The performance test results of this emulsion is in table 1.
Embodiment 2
Other condition is identical with embodiment 1, and difference is, described compound color stuffing is made up of 200 parts of Rutile type Titanium Dioxides, 51 parts of wollastonite powder, 40 parts of calcined kaolins, 50 parts of process whites and 40 parts of sericites in powder.The performance test results of this emulsion is in table 1.
Embodiment 3
Other condition is identical with embodiment 1, and difference is, described compound color stuffing is made up of 200 parts of Rutile type Titanium Dioxides, 25 parts of superfine alumina silicates, 26 parts of wollastonite powder, 90 parts of process whites and 40 parts of sericites in powder.The performance test results of this emulsion is in table 1.
Embodiment 4
Other condition is identical with embodiment 1, and difference is, described compound color stuffing is made up of 250 parts of Rutile type Titanium Dioxides, 25 parts of superfine alumina silicates, 26 parts of wollastonite powder, 40 parts of calcined kaolins, 90 parts of process whites and 40 parts of sericites in powder.The performance test results of this emulsion is in table 1.
Embodiment 5
Other condition is identical with embodiment 1, and difference is, the agent of described anticracking Hardening is common lignocellulose.The performance test results of this emulsion is in table 1.
Embodiment 6
Other conditions are identical with embodiment 1, and difference is that described anticracking agent is ethyl ketene modified-cellulose.
Comparative example 1
Other conditions are identical with embodiment 1, and difference is not add anticracking agent.The performance test results of this emulsion is in table 1.
Comparative example 2
Other conditions are identical with embodiment 1, and difference is that adding 380 grams of Rutile type Titanium Dioxides replaces its compound color stuffing.
The performance test results of table 1 embodiment and comparative example