CN103409059A - Polyurethane crack lacquer and preparation method thereof - Google Patents
Polyurethane crack lacquer and preparation method thereof Download PDFInfo
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Abstract
The invention relates to polyurethane crack lacquer, which is composed of a component A and a component B in a weight ratio of 2:1, wherein the component A consists of the following components in parts by weight: 30-45 parts of soybean alkyd resin, 5-15 parts of polyurethane soft resin, 0.5-2 parts of anti-settling agent, 0.5-2 parts of wetting dispersant, 0.2-0.5 part of antioxidant, 10-25 parts of extinction powder, 20-45 parts of polishing powder, 2-3 parts of acetone solvent and 4-6 parts of ester solvent. The invention further provides a preparation method and a coating method of the polyurethane crack lacquer. The polyurethane crack lacquer disclosed by the invention can be used for producing a film with high hardness, excellent adhesion and graceful patterns. The polyurethane enamel lacquer provided by the invention further has a high solid content advantage as well as water resistance and aging resistance, and satisfies various index requirements of the GB 18581-2009 Standard to solvent type woodenware coating.
Description
Technical field
The present invention relates to the polyurethanes woodwork coating, be specifically related to a kind of polyurethanes strain indicating lacquer and preparation method thereof.
Background technology
Along with development and the growth in the living standard of national economy, the style of building decoration is maked rapid progress in recent years, and the description of materials of using in decoration is more and more, and crackle class wood lacquer also rises at decoration industry.
Traditional crackle class wood lacquer is by nitro-cotton, pigment, pigment extender, organic solvent, and the grindings such as auxiliary modulation forms.Because strain indicating lacquer mealiness content is high; the volatility of solvent is large; thereby its shrinkability is large, snappiness is little, and after spraying, internal stress produces the higher intensity of pullling; form good, uniform latticed grain pattern; strengthen the attractive in appearance of coatingsurface, body surface has been played to protection and decoration function simultaneously, improved value-added content of product; obtain users' favor, gradually become a kind of top grade decoration material commonly used in building decoration.
The problem but the rear lacquer painting of traditional strain indicating lacquer existence cracking comes off, destroyed the due three-dimensional art aesthetic feeling of strain indicating lacquer, even destroyed whole decorative effect and caused quality problems.
Summary of the invention
The purpose of this invention is to provide a kind of polyurethanes strain indicating lacquer.
Another purpose of the present invention is to provide the preparation method of above-mentioned polyurethanes strain indicating lacquer.
To achieve these goals, the present invention adopts following technical scheme.
A kind of polyurethanes strain indicating lacquer, be comprised of by weight 2:1 A component and B component;
Wherein, the solids content of described A component is 71-76%, is grouped into by the one-tenth of following weight part:
Preferably, the solids content of described A component is 71-76%, is grouped into by the one-tenth of following weight percent:
Wherein, in the A component:
Described soybean oil Synolac is that viscosity requires the Synolac at 30000-50000cps;
The soft resin of described urethane is that viscosity requires the soft half fatty urethane resin at 2000-5000cps;
Described anti-settling agent is aerosil;
Described wetting dispersing agent is modified poly ester;
Described oxidation inhibitor is BHT, and chemical molecular formula is 2,6 ditertiary butyl p cresol;
Described flatting silica is superfine silicon dioxide, and namely particle diameter is the mute powder of≤2 μ m;
Described talcous particle diameter is 1250 orders, and namely particle diameter is the talcum powder of 0.008mm;
The particle diameter of described calcium carbonate is 1500 orders, and namely particle diameter is the talcum powder of 0.006mm;
Described ketones solvent is methyl iso-butyl ketone (MIBK);
Described esters solvent is n-butyl acetate and ethyl acetate.
The solid content of described B component is 40-50%, is grouped into by the one-tenth of following weight percent:
Toluene diisocyanate trimer 80-100 part
N-butyl acetate 0-20 part;
Preferably, described B component is toluene diisocyanate trimer, and its solid content is 50%;
Described toluene diisocyanate trimer is the chlorinated isocyanurates solidifying agent.
The present invention also provides the preparation method of above-mentioned polyurethanes strain indicating lacquer, and the component A and the B component that prepare are mixed and get final product according to weight ratio 2:1.
Wherein, the preparation method of A component is:
1) first soybean oil Synolac, the soft resin of urethane, wetting dispersing agent and ketones solvent are mixed by proportioning, middling speed stirs to obtain resin mixture liquor; Maintain stirring velocity, after adding oxidation inhibitor, transfer high-speed stirring to and obtain mixed solution 1;
2) under middling speed stirs, add anti-settling agent, flatting silica, polishing powder in mixed solution 1, high-speed stirring stops to fineness test≤50 μ m, obtain mixed solution 2;
3) under middling speed stirs, add esters solvent in mixed solution 2, turn high-speed stirring, make the A component.
Wherein, in described step 1), middling speed stirs 400-800r/min, churning time 5-10min; High-speed stirring is 850-1200r/min, churning time 5-10min;
Described step 2) in, stirring at low speed is 400-800r/min, churning time 5-10min; High-speed stirring 1500-1800r/min, churning time 15-20min;
In described step 3), middling speed stirs 400-800r/min, churning time 5-10min; High-speed stirring 850-1200r/min, churning time 5-10min.
Described B component is that toluene diisocyanate trimer and/or n-butyl acetate are mixed and make by proportioning.
The coating process requirement that the present invention also provides above-mentioned urethane strain indicating lacquer to apply in woodwork.Specifically coating process is: material processing → spraying polyurethane seal coat → wait after doing 12h, using 240# sand papering sanding → spraying polyurethane transparent priming → spraying urethane strain indicating lacquer of the present invention after dry 40-60min → use 320# sand papering sanding → spraying polyurethane light clear finish after doing 12h;
Described urethane strain indicating lacquer, when spraying, needs to coordinate thinner to use, and the consumption of described thinner and urethane strain indicating lacquer is 0.8:3 by weight; Wherein:
Described thinner is grouped into by the one-tenth of following weight part:
Ethyl acetate 20-40%
N-butyl acetate 60-80%.
Preferably, described thinner is grouped into by the one-tenth of following weight part:
Ethyl acetate 20-30%
N-butyl acetate 70-80%
The kind of the esters solvent in described thinner is identical with esters solvent in the A component.
Technique effect of the present invention is:
1, for nitro class strain indicating lacquer, there is caducous problem, in urethane strain indicating lacquer provided by the invention in the urethane resin of A component and Synolac-the NCO group, in the B component-OH group crosslinking curing, prepared film adhesive is good, the strain indicating lacquer of can efficient solution the determining problem that comes off;
2, urethane strain indicating lacquer provided by the invention has comparatively excellent fullness ratio, and paint application is formed films comparatively fullly, after doing solid work, can form the protectiveness paint film (can use the film thickness tester to test) of >=150 μ m.Simultaneously, application 30-40min starts progressively to be ftractureed by edge to middle part under 25 ℃ of conditions, and resulting paint film crackle is even, attractive in appearance;
3, urethane strain indicating lacquer provided by the invention can be controlled the crackle size by the evaporation rate of adjusting thinner;
4, urethane strain indicating lacquer construction solid content provided by the invention is high, meets national environmental protection policy requirements instantly;
5, urethane strain indicating lacquer provided by the invention also can be miscible with the mill base that uses Synolac make, and when addition≤30%, adjustablely allots various color.
Embodiment
Following examples are used for the present invention is described, but are not used for limiting the scope of the invention.
Below be used for illustrating the availability of raw material of the present invention, and should be used for limiting scope of the present invention:
Described soybean oil Synolac is that viscosity requires the Synolac at 30000-50000cps, as the S5001 of Beijing exhibition occasion chemical industry;
The soft resin of described urethane is that viscosity requires the urethane resin at 2000-5000cps, as the U-335 widely collected;
Described anti-settling agent is aerosil, as the A-200 of Degussa;
Described wetting dispersing agent is modified poly ester, as the EFK4010 of EFKA;
Described oxidation inhibitor is BHT, as the BHT of Bayer Bitterfeld GmbH;
Described flatting silica is superfine silicon dioxide, as the 530L of space flight Saden;
Described talcous particle diameter is 1250 orders (being that particle diameter is the talcum powder of 0.008mm), as 1250 order talcum powder of osmanthus, Guilin China;
The particle diameter of described calcium carbonate is 1500 orders (being that particle diameter is the talcum powder of 0.006mm), calcium carbonate as fine as Haicheng;
Described ketones solvent is methyl iso-butyl ketone (MIBK), as the MIBK of sky, Nanchang nation chemical industry;
Described esters solvent is n-butyl acetate and ethyl acetate, as BAC and the EAC created in Hunan;
Described toluene diisocyanate trimer is the chlorinated isocyanurates solidifying agent, as the HL of Beyer Co., Ltd;
Embodiment 1: the urethane strain indicating lacquer
1, concrete proportioning is in Table 1-1, table 1-2.
Table 1-1:A component
| Form | Weight (kg) | Weight percent (%) |
| The soybean oil Synolac | 40 | 40 |
| The soft resin of urethane | 5 | 5 |
| Dust-proofing agent | 0.5 | 0.5 |
| Wetting dispersing agent | 1.5 | 1.5 |
| Oxidation inhibitor | 0.2 | 0.2 |
| Flatting silica | 20 | 20 |
| Talcum powder | 10 | 10 |
| Calcium carbonate | 15 | 15 |
| Ketones solvent | 2 | 2 |
| Esters solvent | 5.8 | 5.8 |
Table 1-2:B component
| Form | Weight (kg) | Weight percent (%) |
| Chlorinated isocyanurates | 100 | 100 |
2, preparation method:
2.1 the preparation method of described A component, comprise the steps:
1) according to proportioning, take each raw material, add in advance soybean oil Synolac, the soft resin of urethane, wetting dispersing agent and ketones solvent, with rotating speed 400r/min, resin mixture liquor is uniformly dispersed to obtain; Maintain stirring velocity, after adding oxidation inhibitor, improve rotating speed and disperse 5min to 850r/min, obtain mixed solution 1;
2) under the 400r/min agitation condition, in mixed solution 1, add anti-settling agent, flatting silica and polishing powder, 1500r/min disperses 15min, stops disperseing to fineness test≤50 μ m, obtains mixed solution 2;
3) under the 300r/min agitation condition, in mixed solution 2, add esters solvent, press 850r/min and disperse 5min, weigh on request, pack, make the A component.
The theoretical solid content of A component is the soft resin quality of 78.7, A component solid content=soybean alkyd quality * 0.7+ urethane * 1+ opaque amount (being the total mass of anti-settling agent, oxidation inhibitor, flatting silica, talcum powder and calcium carbonate);
2.2 the preparation method of described B component:
Chlorinated isocyanurates is stirred, and then packing, make the B component.The theoretical solid content of B component is 50, B component solid content=tolylene diisocyanate quality * 0.5;
2.3 A component and B component are mixed and are made the urethane strain indicating lacquer by weight 2:1.
3, using method: during use, be used in conjunction with thinner, the total amount ratio of thinner and A, B component is 0.8:3, wherein consisting of in Table 1-3 of thinner:
Table 1-3: thinner
| Form | Weight (kg) | Weight percent (%) |
| Ethyl acetate | 20 | 20 |
| N-butyl acetate | 80 | 80 |
Mentioned component is stirred, get final product, packing.
In use, A component, B component and thinner allotment are evenly got final product.
Embodiment 2: the urethane strain indicating lacquer
1, concrete proportioning is in Table 2-1,2-2.
Table 2-1:A component
| Form | Weight (kg) | Weight percent (%) |
| The soybean oil Synolac | 35 | 35 |
| The soft resin of urethane | 7.5 | 7.5 |
| Dust-proofing agent | 1 | 1 |
| Wetting dispersing agent | 1.5 | 1.5 |
| Oxidation inhibitor | 0.3 | 0.3 |
| Flatting silica | 10 | 10 |
| Talcum powder | 12.5 | 12.5 |
| Calcium carbonate | 25 | 25 |
| Ketones solvent | 2.5 | 2.5 |
| Esters solvent | 4.7 | 4.7 |
Table 2-2:B component
| Form | Weight (kg) | Weight percent (%) |
| Chlorinated isocyanurates | 100 | 100 |
2, preparation method:
2.1 the preparation method of described A component, comprise the steps:
1) according to proportioning, take each raw material, add in advance soybean oil Synolac, the soft resin of urethane, wetting dispersing agent and ketones solvent, with the 600r/min stirring velocity, resin mixture liquor is uniformly dispersed to obtain, after 600r/min adds oxidation inhibitor under disperseing, improve rotating speed and disperse 8min to 1000r/min, obtain mixed solution 1;
2) under the 600/min agitation condition, in mixed solution 1, add anti-settling agent, flatting silica and polishing powder, 1600r/min disperses 18min, stops disperseing to fineness test≤50 μ m, obtains mixed solution 2;
3) under the 600r/min agitation condition, in mixed solution 2, add esters solvent, press 1000r/min and disperse 8min, weigh on request, pack, make the A component.
The theoretical solid content of A component is the soft resin quality of 80.8, A component solid content=soybean alkyd quality * 0.7+ urethane * 1+ opaque amount (being the total mass of anti-settling agent, oxidation inhibitor, flatting silica, talcum powder and calcium carbonate);
2.2 the preparation method of described B component:
Just chlorinated isocyanurates stirs, and then packing makes the B component.The theoretical solid content of B component is 50, B component solid content=tolylene diisocyanate quality * 0.5;
2.3 A component and B component are mixed and are made the urethane strain indicating lacquer by weight 2:1.
3, using method: during use, be used in conjunction with thinner, the total amount ratio of thinner and A, B component is 0.8:3, wherein consisting of in Table 2-3 of thinner:
Table 2-3: thinner
| Form | Weight (kg) | Weight percent (%) |
| Ethyl acetate | 25 | 25 |
| N-butyl acetate | 75 | 75 |
Mentioned component is stirred, get final product, packing.
In use, A component, B component and thinner allotment are evenly got final product.
Embodiment 3: urethane enamel paint
1, concrete proportioning is in Table 3-1, table 3-2.
Table 3-1:A component
| Form | Weight (kg) | Weight percent (%) |
| The soybean oil Synolac | 30 | 30 |
| The soft resin of urethane | 10 | 10 |
| Dust-proofing agent | 1.5 | 0.5 |
| Wetting dispersing agent | 1 | 1.5 |
| Oxidation inhibitor | 0.2 | 0.2 |
| Flatting silica | 15 | 15 |
| Talcum powder | 15 | 20 |
| Calcium carbonate | 20 | 15 |
| Ketones solvent | 3 | 3 |
| Esters solvent | 4.3 | 4.3 |
Table 3-2:B component
| Form | Weight (kg) | Weight percent (%) |
| Polymeric polyisocyanate | 100 | 100 |
2, preparation method:
2.1 the preparation method of described A component, comprise the steps:
1) according to proportioning, take each raw material, add in advance soybean oil Synolac, the soft resin of urethane, wetting dispersing agent and ketones solvent, with the 800r/min stirring velocity, resin mixture liquor is uniformly dispersed to obtain, maintain stirring velocity, after adding oxidation inhibitor, improve rotating speed and disperse 10min to 1200r/min, obtain mixed solution 1;
2) under the 800r/min agitation condition, in mixed solution 1, add anti-settling agent, flatting silica and polishing powder, 1800r/min disperses 20min, stops disperseing to fineness test≤50 μ m, obtains mixed solution 2;
3) under the 800r/min agitation condition, in mixed solution 2, add esters solvent, press 1200r/min and disperse 10min, weigh on request, pack, make the A component.
The theoretical solid content of A component is the soft resin quality of 82.7, A component solid content=soybean alkyd quality * 0.7+ urethane * 1+ opaque amount (being the total mass of anti-settling agent, oxidation inhibitor, flatting silica, talcum powder and calcium carbonate);
2.2 the preparation method of described B component:
Just chlorinated isocyanurates stirs, and then packing makes the B component.The theoretical solid content of B component is 50, B component solid content=tolylene diisocyanate quality * 0.5;
2.3 A component and B component are mixed and are made the urethane strain indicating lacquer by weight 2:1.
3, using method: during use, be used in conjunction with thinner, the total amount ratio of thinner and A, B component is 0.8:3, wherein consisting of in Table 3-3 of thinner:
Table 3-3: thinner
| Form | Weight (kg) | Weight percent (%) |
| Ethyl acetate | 30 | 30 |
| N-butyl acetate | 70 | 70 |
Mentioned component is stirred, get final product, packing.
In use, A component, B component and thinner allotment are evenly got final product.
Comparative Examples 1: a kind of strain indicating lacquer and preparation method thereof
Embodiment 1 with reference to Chinese patent application 200910190564.5:
First component and thinner, consist of, the ratio of weight and number of described first component and thinner is 1:1;
Wherein said first component comprises the following raw material counted by weight percentage:
Thermoplastic acrylic resin 16%, acetic acid butyl cellulose 5%, wetting dispersing agent 0.5%, flow agent 0.8%, carbon black 0.5%, rutile titanium white powder 10%, 3-ethoxyl ethyl propionate 5%, n-butyl acetate 62.2%;
Described thinner comprises the following raw material counted by weight percentage:
Toluene 50%
N-butyl acetate 50%;
The method for preparing described strain indicating lacquer,
The preparation method of wherein said first component comprises and is prepared as follows step:
1) according to proportioning, take each raw material, in advance thermoplastic acrylic resin, wetting dispersing agent and n-butyl acetate (30-40% of n-butyl acetate content) are added, press 400-800r/min and disperse 10-15min, obtain resin mixture liquor;
2) separately that the acetic acid butyl cellulose is miscible by described amount and n-butyl acetate (60-70% of n-butyl acetate content), after under 400-800r/min, stirring, high speed dispersion 10-15min, make acetic acid butyl cellulose liquid;
3) resin mixture liquor is pressed to proportional quantity and mix with the acetic acid butyl cellulose, press 400-800r/min and disperse 5-10min;
4) then under the 400-800r/min dispersion condition, add flow agent, 3-ethoxyl ethyl propionate, carbon black, rutile titanium white powder, improve rotating speed and disperse 15-20min to 1500-1800r/min, stop to fineness≤25 μ m;
Above mixture is weighed on request, is packed, and makes the first component;
Described thinner is directly by the packing of weighing of described amount;
During use, first component and thinner are allocated and evenly got final product according to the dilution proportioning of 1:1.
Comparative Examples 2: the spraying method of a kind of strain indicating lacquer and preparation method thereof and this strain indicating lacquer
Embodiment 1 with reference to Chinese patent application 200610063702.X:
First component and solidifying agent, consist of, the ratio of weight and number of described first component and solidifying agent is 1:0.2;
Wherein said first component comprises the following raw material counted by weight percentage:
Thermoplastic acrylic resin 33%, wetting dispersing agent 1.8%, anti-settling agent 1.1%, flow agent 1%, softening agent 1, pigment 14%, dumb light powder 14%, organic solvent 34.1%, solidifying agent is appropriate;
Described organic solvent comprises the following raw material counted by weight percentage:
The method for preparing described strain indicating lacquer,
The preparation method of wherein said first component comprises and is prepared as follows step:
1) according to proportioning, take each raw material, in advance thermoplastic acrylic resin, wetting dispersing agent and organic solvent (60-70% of organic solvent content) are added, press 400-800r/min and disperse 10-15min, obtain resin mixture liquor;
2) under the 400-800r/min dispersion condition, add anti-settling agent, flow agent, softening agent, press 400-800r/min and disperse 10-15min;
3) under the 400-800r/min dispersion condition, add pigment and dumb light powder, improve rotating speed and disperse 15-20min to 1500-1800r/min, stop to fineness≤25 μ m;
4) under the 400-800r/min dispersion condition, add remaining organic solvent (30-40% of organic solvent content);
Above mixture is weighed on request, is packed, and makes the first component;
Described solidifying agent adopts toluene diisocyanate trimer;
During use, first component and solidifying agent are allocated and evenly got final product according to the proportioning of 1:0.2.
Experimental example 1: physical property measurement
The urethane strain indicating lacquer of embodiments of the invention 1-3 gained is even, to be measured according to weight ratio 3:0.8 mixing preparation with thinner respectively.
By embodiment 1-3 urethane strain indicating lacquer, Comparative Examples 1,2 physical property measurement of being correlated with after dilution, test result such as table 4,5:
Table 4: the relevant physical property measurement of embodiment 1-3
Table 5: the relevant asexual test of Comparative Examples 1,2
Table 4 and 5 results show:
The VOC of Comparative Examples 1 is high, and transparency is good, and after spraying, perviousness is stronger; The fineness of Comparative Examples 2 is low, and good dispersity, hardness are high, but Comparative Examples 1 and Comparative Examples 2 solid contents are low, and the VOC of Comparative Examples 1 even surpasses current VOC requirement, and the sticking power of Comparative Examples 1 and Comparative Examples 2 is general simultaneously, is prone in the winter time depainting phenomenon during application;
The physical properties of urethane strain indicating lacquer provided by the invention has reached national top standard fully, and its every workability is also all suitable with polyurethane coating of the same type, has simultaneously graceful crack pattern.
Conclusion: urethane strain indicating lacquer provided by the invention, its sticking power and other every workabilities all meet the requirement of GB 18581-2009 standard to the solvent-borne type woodwork coating.
Although, above used general explanation, embodiment and test, the present invention is described in detail, on basis of the present invention, can make some modifications or improvements it, and this will be apparent to those skilled in the art.Therefore, these modifications or improvements, all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. a polyurethanes strain indicating lacquer, is characterized in that, is comprised of by weight 2:1 A component and B component;
Wherein, described A component is grouped into by the one-tenth of following weight part:
2. urethane strain indicating lacquer according to claim 1, is characterized in that, the solids content of described A component is 71-76%, is grouped into by the one-tenth of following weight percent:
3. urethane strain indicating lacquer according to claim 1 and 2, is characterized in that, described soybean oil Synolac is that viscosity requires the Synolac at 30000-50000cps;
The soft resin of described urethane is that viscosity requires the soft half fatty urethane resin at 2000-5000cps;
Described anti-settling agent is aerosil;
Described wetting dispersing agent is modified poly ester;
Described oxidation inhibitor 2,6 ditertiary butyl p cresol;
Described flatting silica is superfine silicon dioxide;
Described talcous particle diameter is 1250 orders;
The particle diameter of described calcium carbonate is 1500 orders;
Described ketones solvent is methyl iso-butyl ketone (MIBK);
Described esters solvent is n-butyl acetate and ethyl acetate.
4. urethane strain indicating lacquer according to claim 1, is characterized in that, described B component is grouped into by the one-tenth of following weight percent:
Toluene diisocyanate trimer 80-100 part;
N-butyl acetate 0-20 part;
Preferably the B component is 100 parts of toluene diisocyanate trimers.
5. the preparation method of arbitrary described urethane strain indicating lacquer in claim 1-4, is characterized in that, the component A and the B that prepare are mixed and obtain the urethane strain indicating lacquer according to weight ratio 2:1.
6. preparation method according to claim 5, is characterized in that, the preparation method of described A component is:
1) first soybean oil Synolac, the soft resin of urethane, wetting dispersing agent and ketones solvent are mixed by proportioning, middling speed stirs to obtain resin mixture liquor; Maintain stirring velocity, after adding oxidation inhibitor, transfer high-speed stirring to and obtain mixed solution 1;
2) under middling speed stirs, add anti-settling agent, flatting silica, polishing powder in mixed solution 1, high-speed stirring stops to fineness test≤50 μ m, obtain mixed solution 2;
3) under middling speed stirs, add esters solvent in mixed solution 2, turn high-speed stirring, make the A component.
7. preparation method according to claim 6, is characterized in that, in described step 1), middling speed stirs 400-800r/min, churning time 5-10min; High-speed stirring 850-1200r/min, churning time 5-10min;
Described step 2) in, middling speed stirs 400-800r/min, churning time 5-10min; High-speed stirring 1500-1800r/min, churning time 15-20min;
In described step 3), middling speed stirs 400-800r/min, churning time 5-10min; High-speed stirring 850-1200r/min, churning time 5-10min.
8. the coating process of arbitrary described urethane strain indicating lacquer in a claim 1-4, it is characterized in that, comprise the steps: material processing → spraying polyurethane seal coat → until use 240# sand papering sanding → spraying polyurethane transparent priming → until spraying urethane strain indicating lacquer of the present invention after dry 40-60min → use 320# sand papering sanding → spraying polyurethane light clear finish after dry 12h after dry 12h;
Described urethane strain indicating lacquer, when spraying, needs to coordinate thinner to use.
9. coating process according to claim 8, is characterized in that, the consumption of described thinner and urethane strain indicating lacquer is 0.8:3 by weight.
10. coating process according to claim 9, is characterized in that, described thinner is grouped into by the one-tenth of following weight part:
Ethyl acetate 20-40%
N-butyl acetate 60-80%.
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| CN104004446A (en) * | 2014-06-17 | 2014-08-27 | 展辰涂料集团股份有限公司 | Crack paint and use method thereof |
| CN104194596A (en) * | 2014-08-29 | 2014-12-10 | 苏州圣谱拉新材料科技有限公司 | Orange peel coating |
| CN107841236A (en) * | 2017-10-30 | 2018-03-27 | 芜湖辉灿电子科技有限公司 | A kind of radioresistance mobile phone surface lacquer |
| CN113025186A (en) * | 2019-12-09 | 2021-06-25 | 广东顺德三和化工有限公司 | Normal-temperature reactive dermatoglyph paint and preparation method thereof |
| CN113817397A (en) * | 2021-10-19 | 2021-12-21 | 成都君子兰涂料有限公司 | Polyurethane polishing-free musical instrument sealing primer and preparation method and construction method thereof |
| CN114015289A (en) * | 2021-12-09 | 2022-02-08 | 温州市品达科装饰材料有限公司 | Water-based crack paint, preparation method thereof and application method of crack paint |
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| CN104004446A (en) * | 2014-06-17 | 2014-08-27 | 展辰涂料集团股份有限公司 | Crack paint and use method thereof |
| CN104194596A (en) * | 2014-08-29 | 2014-12-10 | 苏州圣谱拉新材料科技有限公司 | Orange peel coating |
| CN107841236A (en) * | 2017-10-30 | 2018-03-27 | 芜湖辉灿电子科技有限公司 | A kind of radioresistance mobile phone surface lacquer |
| CN113025186A (en) * | 2019-12-09 | 2021-06-25 | 广东顺德三和化工有限公司 | Normal-temperature reactive dermatoglyph paint and preparation method thereof |
| CN113817397A (en) * | 2021-10-19 | 2021-12-21 | 成都君子兰涂料有限公司 | Polyurethane polishing-free musical instrument sealing primer and preparation method and construction method thereof |
| CN114015289A (en) * | 2021-12-09 | 2022-02-08 | 温州市品达科装饰材料有限公司 | Water-based crack paint, preparation method thereof and application method of crack paint |
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|---|---|
| CN103409059B (en) | 2015-12-02 |
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