CN115637096A - High-wear-resistance masking liquid composition and preparation method thereof - Google Patents
High-wear-resistance masking liquid composition and preparation method thereof Download PDFInfo
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- CN115637096A CN115637096A CN202211346484.6A CN202211346484A CN115637096A CN 115637096 A CN115637096 A CN 115637096A CN 202211346484 A CN202211346484 A CN 202211346484A CN 115637096 A CN115637096 A CN 115637096A
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- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 230000000873 masking effect Effects 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 53
- 239000011248 coating agent Substances 0.000 claims abstract description 52
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000011258 core-shell material Substances 0.000 claims abstract description 38
- 239000000945 filler Substances 0.000 claims abstract description 35
- 239000000049 pigment Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000004593 Epoxy Substances 0.000 claims abstract description 25
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
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- 229910000077 silane Inorganic materials 0.000 claims abstract description 24
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- 239000003085 diluting agent Substances 0.000 claims abstract description 18
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- 229920000768 polyamine Polymers 0.000 claims abstract description 18
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 18
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 16
- -1 ureido compound Chemical class 0.000 claims abstract description 9
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- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 5
- 229910052582 BN Inorganic materials 0.000 claims description 4
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- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 4
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 3
- PISLZQACAJMAIO-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine Chemical compound CCC1=CC(C)=C(N)C(CC)=C1N PISLZQACAJMAIO-UHFFFAOYSA-N 0.000 claims description 3
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 claims description 3
- QNYBOILAKBSWFG-UHFFFAOYSA-N 2-(phenylmethoxymethyl)oxirane Chemical compound C1OC1COCC1=CC=CC=C1 QNYBOILAKBSWFG-UHFFFAOYSA-N 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 3
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 3
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- AYLRODJJLADBOB-QMMMGPOBSA-N methyl (2s)-2,6-diisocyanatohexanoate Chemical compound COC(=O)[C@@H](N=C=O)CCCCN=C=O AYLRODJJLADBOB-QMMMGPOBSA-N 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
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- 229920001451 polypropylene glycol Polymers 0.000 claims description 3
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 235000010215 titanium dioxide Nutrition 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 1
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- GVNVAWHJIKLAGL-UHFFFAOYSA-N 2-(cyclohexen-1-yl)cyclohexan-1-one Chemical compound O=C1CCCCC1C1=CCCCC1 GVNVAWHJIKLAGL-UHFFFAOYSA-N 0.000 description 2
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
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Abstract
The application provides a high wear-resistant masking liquid composition and a preparation method thereof, wherein the high wear-resistant masking liquid composition comprises 105-120 parts by weight of a component A, 30-70 parts by weight of a component B and 50-150 parts by weight of a component C; wherein the third component is a pigment filler; the component A comprises 100 parts of modified resin and 5-20 parts of diluent; wherein the modified resin comprises 5-15 parts of epoxy silane coated silicon dioxide core-shell structure and 85-95 parts of epoxy resin; the component B is a modified curing agent; wherein, the modified curing agent comprises 5 to 15 parts of carbamido compound and 15 to 65 parts of polyamine. By introducing the epoxy silane coated silica core-shell structure into the resin component, introducing the ureido compound into the curing agent component and introducing the two-dimensional filler into the pigment filler component, the problems of poor wear resistance, poor corrosion resistance and the like of the coating material are solved through the common coupling effect of the means, and the wear resistance and the corrosion resistance of the coating are remarkably improved.
Description
Technical Field
The application relates to the field of wear-resistant coatings, in particular to a high-wear-resistance coating liquid composition and a preparation method thereof.
Background
The cement concrete as an artificial engineering material has been developed for hundreds of years, and the durability problem thereof has been highlighted. Because the damage caused by the durability of cement concrete is very serious, various methods, technologies and measures for improving the durability of concrete are not easy to explore. The coating technology is a simple and effective anti-corrosion measure, and a plurality of effective protective coatings appear along with the development of anti-corrosion coating of the coating.
The organic coating material is easy to prepare various colors, has good flexibility and can be applied to the surfaces of various base materials to play the roles of protecting and decorating the base materials. The coating has been widely applied to surface coating of various substrates such as glass, wood, metal, ceramic, concrete and the like, the market demand is increased year by year, and statistics show that the total coating yield reaches 1718 ten thousand tons in 2015 of China, which is increased by 3.8% compared with that in 2014. With the development of social economy and science and technology level, people can not only meet the aesthetic property of the widely applied coating in various fields, but also have higher and higher requirements on the aspects of environmental protection and functionality, on one hand, the variety and the structure of the coating are developed towards the direction of higher solid content, low VOC, water-based property and the like which are safer and more environment-friendly, and the environment-friendly coating can gradually replace part of the traditional solvent-based coating; on the other hand, the coating material is also developed to high-grade such as high-performance and high-functionalization, and the coating material is required to not only protect and beautify the substrate but also give a special function which cannot be possessed by the substrate itself to obtain high-value-added and high-grade effects.
Coating materials applied to the surface of the floor need to have higher physical and chemical properties. Particularly, the floor coating material in the garage and other occasions needs to have excellent performances of wear resistance, acid resistance, alkali resistance and the like. And conventional coating materials such as acrylic acid, epoxy, polyurethane and the like have poor wear resistance, are easily worn in the using process and have high maintenance requirements. For example, epoxy coatings have good wear resistance, gloss and chemical resistance, but have poor weather resistance, high temperature resistance and scratch resistance.
Disclosure of Invention
In view of the problems, the present application is proposed to provide a highly wear-resistant coating composition and a preparation method thereof, which overcome or at least partially solve the problems, comprising:
a high wear-resistant masking liquid composition comprises 105-120 parts of a component A, 30-70 parts of a component B and 50-150 parts of a component C by weight; wherein the third component is a pigment filler;
the component A comprises 100 parts of modified resin and 5-20 parts of diluent; wherein the modified resin comprises 5-15 parts of epoxy silane coated silicon dioxide core-shell structure and 85-95 parts of epoxy resin;
the component B is a modified curing agent; wherein, the modified curing agent comprises 5 to 15 parts of carbamido compound and 15 to 65 parts of polyamine.
Further, the molecular formula of the core-shell structure is O (CHCH) 2 )CH 2 OC 3 H 6 (SiO) 3 -A；
In the formula, A is silicon dioxide, the core of the core-shell structure is silicon dioxide, and the shell of the core-shell structure is an epoxy silane coating material.
Further, the ureido compound has the formula Si (OR) 1 ) 3 C 3 H 6 NHC(＝O)NHR 2 NH C(＝O)NHC 3 H 6 Si(OR 3 ) 3 ；
In the formula, R1 and R3 are one of methyl or ethyl, and R2 is a C6 straight chain or aliphatic-containing six-membered ring structure.
Further, the pigment and filler comprise graphene, boron nitride, molybdenum disulfide two-dimensional nanofiller and coloring system pigment; wherein the colorant system pigment comprises at least one of titanium white, silicon carbide, aluminum oxide, silicon oxide, barium sulfate and kaolin.
The application also provides a preparation method of the coating liquid composition with high wear resistance, which comprises the following steps:
mixing the dioxysilane, the epoxy silane and the diluent, adding a catalyst to react for a first specified time, and drying to obtain the core-shell structure;
mixing the core-shell structure with the epoxy resin to obtain the component A;
mixing aminosilane with an organic solvent, adding diisocyanate to react for a second designated time, and drying to obtain the ureido compound;
mixing the ureido compound with the polyamine to obtain a component B;
and mixing the component A, the component B and the pigment and filler according to a specified mass ratio to obtain the target coating composition.
Further, the epoxy silane is one or more of a mixture of kh560 and kh 561; the aminosilane is one or more than one of kh550 and kh 540.
Further, the epoxy resin is one or more of E51, E44 and E20.
Further, the diluent is one or a mixture of more than one of benzyl glycidyl ether, butyl glycidyl ether, polyethylene glycol diglycidyl ether and polypropylene glycol diglycidyl ether; the catalyst is one or more of hydrochloric acid, nitric acid and acetic acid; the organic solvent is one or a mixture of more than one of ethyl acetate, butyl acetate and propylene glycol methyl ether acetate.
Further, the diisocyanate is one or more of isophorone diisocyanate, hexamethylene diisocyanate and lysine diisocyanate.
Further, the polyamine is one or more of polyamide, diethylenetriamine, triethylene tetramine, 1, 6-hexamethylene diamine, m-xylylenediamine and diethyl toluene diamine.
The application has the following advantages:
in the embodiment of this application, for the poor problem of coating material wear resistance among the prior art, this application provides the solution of high wear-resisting masking liquid, specifically is: calculated according to the weight portion, the composition comprises 105 to 120 portions of A component, 30 to 70 portions of B component and 50 to 150 portions of C component; wherein the third component is a pigment filler; the component A comprises 100 parts of modified resin and 5-20 parts of diluent; wherein the modified resin comprises 5-15 parts of epoxy silane coated silicon dioxide core-shell structure and 85-95 parts of epoxy resin; the component B is a modified curing agent, wherein the modified curing agent comprises 5-15 parts of carbamido compound and 15-65 parts of polyamine. By introducing the epoxy silane coated silica core-shell structure into the resin component, the core-shell structure is a multifunctional component, and can provide more crosslinking curing points for a system, so that the system is more compact, and the surface hardness, wear resistance, acid resistance and alkali resistance of the coating are improved. The carbamido compound is introduced into the curing agent component, has a special carbamido unit and can form a hydrogen bond with hydroxyl and amino in the coating, and simultaneously contains an active functional group which can be in graft reaction with the filler, so that the acting force between two phase interfaces in the coating is improved, and the compactness, the surface hardness, the wear resistance, the acid resistance and the alkali resistance of the coating are improved. By introducing the two-dimensional filler into the pigment filler component, the two-dimensional filler is of a lamellar structure, has a stronger barrier effect on corrosive media, and meanwhile, the two-dimensional lamellar material has a certain lubricating effect and can also improve the wear resistance of the coating. Generally, the wear-resistant and corrosion-resistant coating material solves the problems of poor wear resistance, poor corrosion resistance and the like of the coating material through the common coupling effect of the means, and the wear resistance and corrosion resistance of the coating material are obviously improved.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings required to be used in the description of the present application will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings may be obtained according to these drawings without inventive labor.
FIG. 1 is a flow chart illustrating the steps of a method for preparing a highly abrasion resistant coating composition according to an embodiment of the present disclosure;
FIG. 2 is a molecular structure of a core-shell structure provided in an embodiment of the present application;
FIG. 3 is a molecular structural formula of a ureido compound provided in an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The inventor discovers by analyzing the prior art that: the continuous research and development of novel protective coatings for concrete surfaces become a hotspot in the current building industry, and the development of special high-wear-resistance coating materials and products is of great significance.
The embodiment of the application discloses a high-wear-resistance coating liquid composition which comprises 105-120 parts of a component A, 30-70 parts of a component B and 50-150 parts of a component C by weight; wherein the third component is a pigment filler;
the component A comprises 100 parts of modified resin and 5-20 parts of diluent; wherein the modified resin comprises 5-15 parts of epoxy silane coated silicon dioxide core-shell structure and 85-95 parts of epoxy resin;
the component B is a modified curing agent; wherein, the modified curing agent comprises 5 to 15 parts of carbamido compound and 15 to 65 parts of polyamine.
In the examples of the application, by calculating according to the weight portion, the first component 105-120, the second component 30-70 and the third component 50-150; wherein the third component is a pigment filler; the component A comprises 100 parts of modified resin and 5-20 parts of diluent; wherein the modified resin comprises 5-15 parts of epoxy silane coated silicon dioxide core-shell structure and 85-95 parts of epoxy resin; the component B is a modified curing agent; wherein, the modified curing agent comprises 5 to 15 parts of carbamido compound and 15 to 65 parts of polyamine. By introducing the epoxy silane coated silica core-shell structure into the resin component, the core-shell structure is actually a multifunctional component, and can provide more crosslinking curing points for a system, so that the system is more compact, and the surface hardness, wear resistance, acid resistance and alkali resistance of the coating are improved. The carbamido compound is introduced into the curing agent component, has a special carbamido unit and can form a hydrogen bond with hydroxyl and amino in the coating, and simultaneously contains an active functional group which can be in graft reaction with the filler, so that the acting force between two phase interfaces in the coating is improved, and the compactness, the surface hardness, the wear resistance, the acid resistance and the alkali resistance of the coating are improved. The two-dimensional filler is introduced into the pigment filler component, the two-dimensional filler is of a lamellar structure, has a stronger barrier effect on corrosion media, and meanwhile, the two-dimensional lamellar material has a certain lubricating effect and can also improve the wear resistance of the coating. Generally, the wear-resistant and corrosion-resistant coating material solves the problems of poor wear resistance, poor corrosion resistance and the like of the coating material through the common coupling effect of the means, and the wear resistance and corrosion resistance of the coating material are obviously improved.
Hereinafter, a coating liquid composition having high wear resistance in the present exemplary embodiment will be further described.
As an example, the component A comprises 100 parts of modified resin and 5-20 parts of diluent, the component B comprises 30-70 parts of modified curing agent, and the component C comprises 50-150 parts of pigment and filler.
Wherein the modified resin is a mixture of 5-15 parts of core-shell structure and the balance of epoxy resin, FIG. 2 is a molecular structural formula of the core-shell structure, and the molecular formula of the core-shell structure is O (CHCH) 2 )CH 2 OC 3 H 6 (SiO) 3 -A；
In the structural formula, A is silicon dioxide, the core of the core-shell structure is silicon dioxide, and the shell of the core-shell structure is an epoxy silane coating. By introducing the epoxy silane coated silica core-shell structure into the resin component, the core-shell structure is a multifunctional component, and can provide more crosslinking curing points for a system, so that the system is more compact, and the surface hardness, wear resistance, acid resistance and alkali resistance of the coating are improved.
As an example, the modified curing agent is a mixture of 5-15 parts of carbamido compound and the balance of polyamine, FIG. 3 is the molecular structural formula of the carbamido compound, and the molecular formula of the carbamido compound is Si (OR) 1 ) 3 C 3 H 6 NHC(＝O)NHR 2 NHC(＝O)NHC 3 H 6 Si(OR 3 ) 3 ；
In the structural formula, R1 and R3 are one of methyl or ethyl, and R2 is a C6 straight chain or aliphatic-containing six-membered ring structure. The carbamido compound is introduced into the curing agent component, has a special carbamido unit, can form a hydrogen bond effect with hydroxyl and amino in the coating, and simultaneously contains an active functional group capable of being in graft reaction with the filler, so that the acting force between two phase interfaces in the coating is improved, and the compactness, the surface hardness, the wear resistance, the acid resistance and the alkali resistance of the coating are improved.
In the embodiment, the pigment and filler comprise graphene, boron nitride, molybdenum disulfide two-dimensional nanofiller and coloring system pigment; wherein the colorant system pigment comprises at least one of titanium white, silicon carbide, aluminum oxide, silicon oxide, barium sulfate and kaolin.
As an example, the pigment filler is a mixture of 1-10 parts of graphene, boron nitride and molybdenum disulfide two-dimensional nanofillers, and the balance is conventional coloring body pigment fillers. The two-dimensional filler is introduced into the pigment filler component, the two-dimensional filler is of a lamellar structure, has a stronger barrier effect on corrosion media, and meanwhile, the two-dimensional lamellar material has a certain lubricating effect and can also improve the wear resistance of the coating.
Referring to fig. 1, a method for preparing a highly wear-resistant coating liquid composition according to an embodiment of the present application is also shown;
the method comprises the following steps:
s110, mixing the dioxysilane, the epoxy silane and the diluent, adding a catalyst to react for a first designated time, and drying to obtain the core-shell structure;
s120, mixing the core-shell structure with the epoxy resin to obtain the component A;
s130, mixing aminosilane and an organic solvent, adding diisocyanate to react for a second designated time, and drying to obtain the ureido compound;
s140, mixing the carbamido compound with the polyamine to obtain a component B;
s150, mixing the component A, the component B and the pigment filler according to a specified mass ratio to obtain the target coating composition.
Next, a method for preparing a highly wear-resistant coating liquid composition in the present exemplary embodiment will be further described.
Mixing the dioxysilane, the epoxy silane and the diluent as in steps S110 and S120, adding a catalyst to react for a first specified time, and drying to obtain the core-shell structure; and mixing the core-shell structure with the epoxy resin to obtain the component A.
As an example, silicon dioxide, epoxy silane and a diluent are uniformly mixed, then a catalyst is slowly dropped into the mixture, the solvent is removed after the reaction is carried out for 10 to 20 hours to obtain the core-shell structure, and then the core-shell structure and epoxy resin are uniformly mixed to obtain the component A.
The mixing degree may be set to a level at which the above-mentioned mixed materials contact each other in the same reactor.
In the embodiment, the epoxy silane is one or more of a mixture of kh560 and kh 561; the diluent is one or a mixture of more than one of benzyl glycidyl ether, butyl glycidyl ether, polyethylene glycol diglycidyl ether and polypropylene glycol diglycidyl ether; the epoxy resin is one or a mixture of more than one of E51, E44 and E20; the catalyst is one or more of hydrochloric acid, nitric acid and acetic acid.
Mixing aminosilane with an organic solvent as described in steps S130 and S140, adding diisocyanate to react for a second designated time, and drying to obtain the ureido compound; and mixing the carbamido compound with the polyamine to obtain a component B.
As an example, aminosilane and organic solvent are mixed uniformly, diisocyanate is slowly dropped, reaction is carried out for 1-5 h, then solvent is removed to obtain carbamido compound, and carbamido compound and polyamine are mixed uniformly to obtain component B.
The mixing degree may be set to a level at which the above-mentioned mixed materials contact each other in the same reactor.
In the embodiment, the aminosilane is one or more than one mixture of kh550 and kh 540; the organic solvent is one or a mixture of more than one of ethyl acetate, butyl acetate and propylene glycol methyl ether acetate; the diisocyanate is one or more of isophorone diisocyanate, hexamethylene diisocyanate and lysine diisocyanate; the polyamine is one or more of polyamide, diethylenetriamine, triethylene tetramine, 1, 6-hexamethylene diamine, m-xylylenediamine and diethyl toluenediamine.
And as described in the step S150, mixing the component A, the component B and the pigment and filler according to the specified mass ratio to obtain the target coating composition.
As an example, the two-dimensional nano filler and other conventional pigments and fillers are uniformly mixed to obtain a component C, and the components A, B and C are mixed according to the proportion of 105-120 parts of component A, 30-70 parts of component B and 50-150 parts of component C to obtain the high-wear-resistance coating liquid composition.
Example 1
A high wear-resistant masking liquid composition comprises 105 parts by weight of a component A, 45 parts by weight of a component B and 50 parts by weight of a component C; wherein the third component is a pigment filler;
the component A comprises 100 parts of modified resin and 5 parts of diluent; the modified resin comprises 5 parts of epoxy silane coated silicon dioxide core-shell structure and 85 parts of epoxy resin;
the component B is a modified curing agent, wherein the modified curing agent comprises 5 parts of carbamido compound and 40 parts of polyamine.
Example 2
A high wear-resistant masking liquid composition comprises 120 parts of a component A, 70 parts of a component B and 150 parts of a component C by weight; wherein the third component is a pigment filler;
the component A comprises 100 parts of modified resin and 20 parts of diluent; the modified resin comprises 15 parts of epoxy silane coated silicon dioxide core-shell structure and 95 parts of epoxy resin;
the component B is a modified curing agent, wherein the modified curing agent comprises 15 parts of carbamido compound and 65 parts of polyamine.
Example 3
A high wear-resistant masking liquid composition comprises, by weight, 110 parts of a component A, 50 parts of a component B and 100 parts of a component C; wherein the third component is a pigment filler;
the component A comprises 100 parts of modified resin and 15 parts of diluent; the modified resin comprises 10 parts of epoxy silane coated silicon dioxide core-shell structure and 90 parts of epoxy resin;
the component B is a modified curing agent, wherein the modified curing agent comprises 10 parts of carbamido compound and 45 parts of polyamine.
The experimental data for examples 1-3 are shown in the following table, with the test criteria: GB/T22374-2008 coating material for terrace.
As can be seen from the above table, the coating compositions of the present examples 1 to 3 have excellent wear resistance and acid and alkali resistance.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the true scope of the embodiments of the present application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "include", "including" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or terminal device including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such process, method, article, or terminal device. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or terminal device that comprises the element.
The high-wear-resistance masking liquid composition and the preparation method thereof provided by the application are described in detail above, and the principle and the implementation mode of the application are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The high-wear-resistance masking liquid composition is characterized by comprising 105-120 parts of a component A, 30-70 parts of a component B and 50-150 parts of a component C by weight; wherein the third component is a pigment filler;
the component A comprises 100 parts of modified resin and 5-20 parts of diluent; wherein the modified resin comprises 5-15 parts of epoxy silane coated silicon dioxide core-shell structure and 85-95 parts of epoxy resin;
the component B is a modified curing agent; wherein, the modified curing agent comprises 5 to 15 parts of carbamido compound and 15 to 65 parts of polyamine.
2. The lotion composition of claim 1, wherein the core-shell structure has the formula O (CHCH) 2 )CH 2 OC 3 H 6 (SiO) 3 -A；
In the formula, A is silicon dioxide, the core of the core-shell structure is silicon dioxide, and the shell of the core-shell structure is an epoxy silane coating material.
3. The masking composition of claim 1, wherein the urea-based compound has the formula Si (OR) 1 ) 3 C 3 H 6 NHC(＝O)NHR 2 NHC(＝O)NHC 3 H 6 Si(OR 3 ) 3 ；
In the formula, R1 and R3 are one of methyl or ethyl, and R2 is a C6 straight chain or aliphatic six-membered ring structure.
4. The masking liquid composition as claimed in claim 1, wherein the pigment filler comprises graphene, boron nitride, molybdenum disulfide two-dimensional nanofiller, and coloring system pigment; wherein the colorant system pigment comprises at least one of titanium white, silicon carbide, aluminum oxide, silicon oxide, barium sulfate and kaolin.
5. A method for preparing the highly abrasion resistant coating composition according to claim 1, comprising the steps of:
mixing the dioxysilane, the epoxy silane and the diluent, adding a catalyst to react for a first specified time, and drying to obtain the core-shell structure;
mixing the core-shell structure with the epoxy resin to obtain the component A;
mixing aminosilane with an organic solvent, adding diisocyanate to react for a second designated time, and drying to obtain the ureido compound;
mixing the ureido compound with the polyamine to obtain a component B;
and mixing the component A, the component B and the pigment and filler according to a specified mass ratio to obtain the target coating composition.
6. The method of claim 5, wherein the epoxy silane is one or a mixture of more than one of kh560 and kh 561; the aminosilane is one or more than one of kh550 and kh 540.
7. The method of claim 5, wherein the epoxy resin is one or more of E51, E44, and E20 in admixture.
8. The method according to claim 5, wherein the diluent is one or more of benzyl glycidyl ether, butyl glycidyl ether, polyethylene glycol diglycidyl ether and polypropylene glycol diglycidyl ether; the catalyst is one or more of hydrochloric acid, nitric acid and acetic acid; the organic solvent is one or a mixture of more than one of ethyl acetate, butyl acetate and propylene glycol methyl ether acetate.
9. The method according to claim 5, wherein the diisocyanate is one or more of isophorone diisocyanate, hexamethylene diisocyanate and lysine diisocyanate.
10. The method according to claim 5, wherein the polyamine is one or more of polyamide, diethylenetriamine, triethylenetetramine, 1, 6-hexanediamine, m-xylylenediamine, and diethyltoluenediamine.
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