CN102443344A - Mixed solvent and coil coating compound and preparation method of coil material - Google Patents
Mixed solvent and coil coating compound and preparation method of coil material Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
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Abstract
The invention provides a mixed solvent, which is characterized in that the mixed solvent contains acetic acid, sec-octylester and co-solvent; the invention also provides a coil coating compound, which is characterized in that the compound contains the following components by weight percent: (1) 1-50 weight percent of the mixed solvent, (2) 10-70 weight percent of base resin, (3) 1-40 weight percent of titanium dioxide, and (4) 0.1-1 weight percent of fumed silica; in addition, the invention also provides a preparation method of coil material, which comprises applying the coating compound on the surface of the base material of the coil. The coil coating compound obtained through taking the mixed solvent provided by the invention as solvent, which is the coil coating compound provided by the invention, is good in mobility, is high in solid content, is high in stability, and is benzene-less, the formed paint film is clear and transparent, and is better on leveling property, and the tailing of the coil surface can be avoided.
Description
Technical field
The present invention relates to a kind of mixed solvent and the coil steel coating compsn and a kind of preparation method who executes the coil steel materials of covering this coil steel coating compsn that contain this mixed solvent.
Background technology
Coil steel coating is a kind of speciality coating that is applicable to metal coil coating process.Because requirement and the increasingly extensive application of coil of coating process, feasible to coil steel coating require increasingly high.For example, coating process is to use roller coating machine that band is carried out continuous application, and this just requires coil steel coating at high temperature to want dry rapidly; Simultaneously, in the drying process, steel billet temperature is up to 220-260 ℃, and in through roaster, more up to 400 degree, therefore, it is of crucial importance that the thermotolerance of coil steel coating just becomes for ambient temperature; In addition, when coil steel coating is used in the home appliances surface,, also must consider its chemical resistance, hypotoxicity etc. owing to often contact with household chemical product or sanitising agent.In addition, coil steel coating also will possess some fundamental propertys of coating simultaneously, like glossiness, and leveling characteristics and sticking power or the like.
But in the prior art; Various compsns as coil steel coating are difficult to satisfy simultaneously above-mentioned various requirement; This with coil steel coating in the solvent that uses relevant; Solvent commonly used has a variety ofly in the coil steel coating, and specifiable have esters solvents such as ETHYLE ACETATE, N-BUTYL ACETATE, 2-butyl acetate, nylon acid dimethyl ester mixture (DBE), propylene-glycol ether acetate, Solactol ester; Ether solvent such as glycol ether, propylene glycol; The ketones solvent of acetone, methyl ethyl ketone, MIBK, 2-heptanone, pimelinketone, isophorone class (japanese kokai publication sho 63-69563 communique).In these solvents; Though butylacetate has good dissolution rate, volatility is too high, and the dissolution rate of propylene glycol monomethyl ether acetate and Solactol ester is slower; There is inexpungible shortcoming; Be difficult to independent use, though ethylene glycol monomethyl ether acetate has good dissolution rate, suspection has the toxicity of bringing out Infertility and bans use of.
In order to remedy the shortcoming of so single compsn; Developed mixed solvent; Compsn (the USP the 4th of the solvent compositions of for example forming (japanese kokai publication hei 7-146562 communique), the solvent formed by propylene glycol alkyl ether acetic acid ester and propylene glycol alkyl ether by propylene glycol alkyl ether and 3-alkoxypropan acid alkyl ester class; 983, No. 490 communiques).When above-mentioned compsn causes operator's unplessantness displeasure and dislike owing to stench, there are the misgivings of damaging health owing to toxic.Therefore, in the past mixed solvent is in solvability, volatility, aspect existing problems such as toxic; Nylon acid dimethyl ester mixture (DBE) is for producing the hexanodioic acid by product, and the component of mixture proportional difference of each manufacturer production is bigger, and solvent nature is difficult to stable and large usage quantity, also only limits in some field use (CN 101402814A); The aromatic solvent naphtha kind solvent is endangered the staff of construction, finishing etc., kinsfolk's health, simultaneously environment has also been caused pollution.
Summary of the invention
The object of the present invention is to provide a kind of mixed solvent that can overcome above-mentioned defective and contain the coil steel coating compsn of this mixed solvent and use the method for this coil steel coating preparation of compositions coil steel materials.
The invention provides a kind of mixed solvent, it is characterized in that, said solvent contains secondary monooctyl ester of acetic acid and cosolvent, said cosolvent be can with the organic solvent of the secondary monooctyl ester complete miscibility of acetic acid, wherein, the weight ratio of the acetic acid monooctyl ester second month in a season and cosolvent is 1: 0.1-30.
The invention provides a kind of coil steel coating compsn, it is characterized in that, is benchmark with the total amount of compsn, and said compsn contains:
(1) the above-mentioned mixed solvent of 1-50 weight %;
(2) matrix resin of 10-70 weight %, said matrix resin are at least a in urethane resin, WL 140, vibrin, Synolac, the epoxy resin;
(3) titanium oxide of 1-40 weight %;
(4) aerosil of 0.1-1 weight %.
The invention provides a kind of preparation method of coil steel materials, this method is included in the coil substrate surface and executes and cover coating composition and this coating composition is solidified, and it is characterized in that said coating composition is above-mentioned coil steel coating compsn.
The coil steel coating compsn that uses mixed solvent provided by the invention to obtain as solvent is that the mobile property of coil steel coating compsn provided by the invention is good, and solid content is high, and stability is strong; Without benzene toxicity; The paint film that forms is Clear & Transparent, has good leveling characteristics, can avoid the coil board interface to trail.
Adopt the coil steel materials of preparing method's acquisition of coil steel materials provided by the invention to have an even surface, glossiness is high, and ADHESION OF PAINTS property is good.
Embodiment
The invention provides a kind of mixed solvent, it is characterized in that, said solvent contains secondary monooctyl ester of acetic acid and cosolvent, said cosolvent be can with the organic solvent of the secondary monooctyl ester complete miscibility of acetic acid, wherein, the weight ratio of the acetic acid monooctyl ester second month in a season and cosolvent is 1: 0.1-30.
The coil steel coating compsn that uses mixed solvent provided by the invention to obtain as solvent is that the mobile property of coil steel coating compsn provided by the invention is good; Solid content is high, and stability is strong, without benzene toxicity; With the composite coil steel coating of said composition; The paint film that forms is Clear & Transparent, has good leveling characteristics, can avoid the coil board interface to trail.This possibly be because for the solvent in the solvent-borne type coil steel coating, determine the important factor of its performance that intermiscibility, viscosity and volatility are arranged.
Intermiscibility is meant that employed solvent need all have good compatibility to various kinds of resin, thereby plays the effect of thinner, and the paint film of spraying just can be Clear & Transparent like this.
Viscosity is the important parameter of solvent to the resin dissolves ability, and different solvents is because of the performance difference of dissolving resin, and the viscosity of gained solution also has bigger difference.When utilizing nozzle ejection, if viscosity is too high, make spraying pressure uprise, thereby increased the usage quantity of unnecessary solvent, increased cost.On the other hand, if viscosity is too low, on the interface that is sprayed on the coil plate that resin then can not be concentrated.
Volatility relates to whether volatilization and do not remain in the important factor of substrate surface rapidly of solvent; When volatility is too low, not only cause solvent non-volatile and residual, derive conditions of streaking at the coil board interface; And in subsequent handling, problems such as manufacturing procedure production efficiency reduction can appear also making.On the other hand, when volatility is too high, coil plate cool quickly, the resin of spraying can not dissolve fully and adhere to, thereby causes the defective that paint film blast hole and overbaking cause easily.
The secondary monooctyl ester of acetic acid (2-octyl acetate is called for short 2OA), molecular formula is C
10H
20O
2, be colourless transparent liquid, have a little aromatising flavour, and low toxicity.Both at home and abroad the secondary monooctyl ester of Dichlorodiphenyl Acetate as solvent the application in sanitising agent and spices report but still not have any research to some extent for its application in coil steel coating.
Contriver of the present invention finds that the secondary monooctyl ester of acetic acid has good solvability, and is fabulous with intermiscibilities such as urethane resin, vibrin, Synolac, epoxy resin; Simultaneously, the boiling point of the secondary monooctyl ester of acetic acid is higher, not volatile, and still along with the rising of temperature, its evaporation rate is faster than other solvents raisings; In addition, the secondary monooctyl ester of acetic acid has a little aromatising flavour and toxicity is very low.Because the various character that the secondary monooctyl ester of acetic acid has form itself and other solvent mixed solvent and are used for coil steel coating, can obtain extraordinary effect.
Preferably, in the said mixed solvent, the weight ratio of secondary monooctyl ester of acetic acid and cosolvent is 1: 0.5-20.
According to the present invention; Said cosolvent is cyclic ketones, aromatic solvent naphtha, have the compound of structure shown in the formula (1), have at least a in the compound, compound with structure shown in the formula (3) and the compound with structure shown in the formula (4) of structure shown in the formula (2)
HO-R
1-O-R
2(1)
R
3-CO-O-R
4-O-R
5(2)
CH
2＝CH-CO-O-R
6-O-R
7(3)
R
8-CO-R
9(4)
Wherein, R
1, R
4And R
6Be C independently of one another
2-C
5Alkylidene group, R
2, R
3, R
5, R
7, R
8And R
9Be C independently of one another
1-C
5Alkyl.
According to the present invention; What meet that the cosolvent of above-mentioned condition can enumerate has S-1000 type aromatic solvent naphtha, S-1500 type aromatic solvent naphtha, S-800 type aromatic solvent naphtha, S-200 type aromatic solvent naphtha, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol propyl ether, glycol monomethyl isopropyl ether, ethylene glycol monobutyl ether, propylene glycol monomethyl ether, dihydroxypropane single-ether, propylene glycol monobutyl ether, ethylene glycol monomethyl ether acetate, dihydroxypropane single-ether manthanoate, propylene glycol monoethyl ether acetate, propylene glycol monobutyl ether acetic ester, vinylformic acid oxyethyl group methyl esters, vinylformic acid ethoxy ethyl ester, vinylformic acid oxyethyl group butyl ester, ETHYLE ACETATE, n-butyl acetate, isobutyl acetate, methyl ethyl ketone, MIBK, pimelinketone.
Further under the preferable case, said cosolvent is S-1000 type aromatic solvent naphtha, S-1500 type aromatic solvent naphtha, S-200 type aromatic solvent naphtha, ethylene glycol monobutyl ether, propylene glycol monomethyl ether, ethylene glycol monomethyl ether acetate, vinylformic acid oxyethyl group methyl esters, propylene glycol methyl ether acetate, pimelinketone and MIBK.
The invention provides a kind of coil steel coating compsn, it is characterized in that, is benchmark with the total amount of compsn, and said compsn contains:
(1) the above-mentioned mixed solvent of 1-50 weight %;
(2) matrix resin of 10-70 weight %, said matrix resin are at least a in urethane resin, vinyl resin, vibrin, Synolac, the epoxy resin;
(3) titanium oxide of 1-40 weight %;
(4) aerosil of 0.1-1 weight %.
Preferably, be benchmark with the total amount of compsn, the content of said mixed solvent is 5-30 weight %; The content of said matrix resin is 30-55 weight %; The content of said titanium oxide is 20-40 weight %; The content of said aerosil is 0.2-0.5 weight %.
According to the present invention, said mixed solvent is above-mentioned mixed solvent, and therefore, the ratio of secondary monooctyl ester of the kind of cosolvent and acetic acid and cosolvent etc. is also same as described above in the said mixed solvent, repeats no more at this.
According to the present invention, to the not requirement especially of said various matrix resins, can be the conventional various resins in this area, under the preferable case, the weight-average molecular weight of said urethane resin is 1000-8000, further is preferably 6000-8000; The weight-average molecular weight of said vinyl resin is 1000-8000, further is preferably 2000-5000; The weight-average molecular weight of vibrin is 1000-8000, further is preferably 3000-6000; The Synolac weight-average molecular weight is 1000-8000, further is preferably 3000-6000; The weight-average molecular weight of epoxy resin is 1000-8000, further is preferably 4000-6000; As long as it is the excellent coating composition of availability that said matrix resin satisfies above-mentioned weight-average molecular weight requirement, that can enumerate can be Dynapol LH 818-05 vibrin and/or Dynapol LH 826-05 vibrin like vibrin; Urethane resin can be Hw 180Pc urethane resin; Vinyl resin can be HB-225 type vinyl resin; Epoxy resin can be epoxy resin 601 and/or shell epoxy 834.
According to the present invention; Said titanium oxide and aerosil are not had special qualification, can be this area conventional titanium oxide and aerosil, preferably; Said titanium oxide is white titanium pigment; The grain diameter of said titanium oxide is the 0.2-0.4 micron, and the grain diameter of aerosil is the 10-50 nanometer, is preferably the 10-30 nanometer.
According to the present invention, said preparation of compositions method can be the method for routine, preferably; Comprise and mixing and grinding steps; Said mixing step is preferably accomplished through alr mode, and the speed of said stirring can be 300-10000 rev/min, further is preferably 1000-5000 rev/min; Time can be 10-50 minute.The mode of grinding comprises sand milling and ball milling, preferably, uses the lapping mode of sand milling.The purpose of grinding is that preferably, said grinding makes that the fineness of compsn is the 10-50 micron, further is preferably the 10-15 micron for the fineness that makes mixture reduces.
The invention provides a kind of preparation method of coil steel materials, this method is included in the coil substrate surface and executes and cover coating composition and this coating composition is solidified, and it is characterized in that said coating composition is above-mentioned coil steel coating compsn.
According to the preparation method of coil steel materials of the present invention, the coil base material with respect to every square metre, the glue spread of said coating composition can restrain for 200-1000, further is preferably the 300-800 gram.
According to the preparation method of coil steel materials of the present invention, said solidified condition can be condition of cure well known in the art, comprises that solidification value can be 200-260 ℃, is preferably 200-235 ℃, and can be 15-85 second set time, is preferably 25-65 second.
According to the preparation method of coil steel materials of the present invention, the thickness of the feasible coil steel materials for preparing of said method is the 10-20 micron, further is preferably the 13-17 micron.
Below, through embodiment content of the present invention is done further explanation.
Embodiment 1
Dynapol LH 818-05 vibrin (weight-average molecular weight is 6000) with 42.2 weight parts; 0.2 Aerosil 200 aerosils of weight part (particle diameter is 12 nanometers), RCL 310 white titanium pigments of 27.5 weight parts (particle diameter is 0.28 micron), the S-200 aromatic solvent naphtha of 4.2 weight parts; 8.3 the secondary monooctyl ester of the acetic acid of weight part mixes; Stir 40min through high speed (2000 rev/mins), be dispersed to fineness through the sand milling grinding again and reach 10-15 μ m, obtain coil steel coating compsn P1.
Coil steel coating compsn P1 is applied on the coil base material (Baosteel heat zinc coating plate, model are DC51D+Z) with the consumption of the every square metre 500 gram mode through spraying, 230 ℃ down oven dry it is solidified, obtain thickness and be 15 microns coil steel materials C1.
Comparative Examples 1
Method according to embodiment 1 prepares the coil steel coating compsn; Different is; 4.2 the secondary monooctyl ester of the S-200 aromatic solvent naphtha of weight part and the acetic acid of 8.3 weight parts is replaced by the propylene glycol monomethyl ether of 2.3 weight parts and the 3-methoxy propyl acetoacetic ester of 10.5 weight parts, obtains coil steel coating compsn DP1.
Adopt above-mentioned materials, prepare coil steel materials DC1 according to the method for embodiment 1.
Embodiment 2
Dynapol LH 826-05 vibrin (weight-average molecular weight is 6000) with 20.0 weight parts; 0.3 the CABOT M-5 aerosil of weight part (particle diameter 12 nanometers), R 706 white titanium pigments (0.26 micron) of 24 weight parts, the ethylene glycol monobutyl ether of 10 weight parts; 5.7 the secondary monooctyl ester of the acetic acid of weight part mixes; Stir 30min through high speed (3000 rev/mins), be dispersed to fineness through the sand milling grinding again and reach 10-15 μ m, obtain coil steel coating compsn P2.
Coil steel coating compsn P2 is applied on the coil base material (Ma Gang, model is SGCC) with the consumption of the every square metre 800 gram mode through spraying, 200 ℃ down oven dry it is solidified, obtain thickness and be 16 microns coil steel materials C2.
Embodiment 3
Hw 180Pc urethane resin with 45 weight parts; 0.2 Aerosil 202 aerosils of weight part (particle diameter 14 nanometers); R 960 white titanium pigments (0.35 micron) of 30 weight parts, the secondary monooctyl ester of the acetic acid of the propylene glycol methyl ether acetate of 0.5 weight part and 7.5 weight parts mixes, and stirs 20min through high speed (4000 rev/mins); Be dispersed to fineness through the sand milling grinding again and reach 10-15 μ m, obtain coil steel coating compsn P3.
Coil steel coating compsn P3 is applied on the coil base material (Baosteel, model are DX52D+Z) with the consumption of the every square metre 300 gram mode through spraying, 210 ℃ down oven dry it is solidified, obtain thickness and be 14 microns coil steel materials C3.
Embodiment 4
HB-225 type vinyl resin with 50.0 weight parts; 0.2 Aerosil 200 aerosils of weight part; 27.5 RCL 310 white titanium pigments of weight part, the secondary monooctyl ester of the acetic acid of 3.6 parts by weight of acrylic oxyethyl group methyl esters and 15.0 weight parts mixes, and stirs 20min through high speed (4000 rev/mins); Be dispersed to fineness through the sand milling grinding again and reach 10-15 μ m, obtain coil steel coating compsn P4.
Execute according to embodiment 1 described method and to cover, 230 ℃ down oven dry it is solidified, obtain thickness and be 15 microns coil steel materials C4.
Embodiment 5
With 45.0 parts by weight of epoxy resin 601; 0.2 Aerosil 200 aerosils of weight part; 27.5 R 706 white titanium pigments of weight part, the secondary monooctyl ester of the acetic acid of the MIBK of 9.6 weight parts and 6.9 weight parts mixes, and stirs 10min through high speed (5000 rev/mins); Be dispersed to fineness through the sand milling grinding again and reach 10-15 μ m, obtain coil steel coating compsn P5.
Execute according to embodiment 1 described method and to cover, 240 ℃ down oven dry it is solidified, obtain thickness and be 13 microns coil steel materials C5.
Embodiment 6
Shell epoxy 834 with 50.0 weight parts; 0.2 Aerosil 202 aerosils of weight part; 27.5 RCL 310 white titanium pigments of weight part, the secondary monooctyl ester of the acetic acid of the pimelinketone of 8.6 weight parts and 4.9 weight parts mixes, and stirs 50min through high speed (1000 rev/mins); Be dispersed to fineness through the sand milling grinding again and reach 10-15 μ m, obtain coil steel coating compsn P6.
Execute according to embodiment 1 described method and to cover, 230 ℃ down oven dry it is solidified, obtain thickness and be 17 microns coil steel materials C6.
Test case 1
Through following method coil steel coating compsn P1-P6, DP1 and coil steel materials C1-C6, DC1 are tested.
Outward appearance is estimated, and comprises the liquid form of coil steel coating compsn P1-P6 and DP1, and whether C1-C6 and DC1 have conditions of streaking; Viscosity test is measured through being coated with-4 glasss of viscometer NDJ-5; The sticking power test is carried out film and is drawn the lattice experiment; The blade coating assay method is used in the leveling characteristics test; Glossiness is measured through glossometer; Fineness is measured through scraper plate fineness appearance.
The result who measures is as shown in table 1.
Table 1
Can be found out that by table 1 compare with Comparative Examples 1, coil steel coating compsn of the present invention is as clear as crystal, solid content is high, explains that mixed solvent of the present invention has fabulous dissolving power.
Coil steel coating composition viscosity of the present invention is moderate; Store no abnormal variation in 1 year at 5-30 ℃ of constant temperature, explain that coil steel coating compsn of the present invention has satisfactory stability property, it is low that the VOC value of coil steel coating compsn of the present invention compares ratio 1, explains that coil steel coating compsn toxicity of the present invention is low, and the feature of environmental protection is good.
After the coil steel coating that makes according to the present invention was executed and overlayed on the coil base material, the paint film of formation had outstanding fineness and sticking power, compared with Comparative Examples, when keeping fineness and sticking power, also had better leveling characteristics and glossiness.
Claims (12)
1. a mixed solvent is characterized in that, said mixed solvent contains secondary monooctyl ester of acetic acid and cosolvent, said cosolvent be can with the organic solvent of the secondary monooctyl ester complete miscibility of acetic acid, wherein, the weight ratio of the acetic acid monooctyl ester second month in a season and cosolvent is 1: 0.1-30.
2. mixed solvent according to claim 1, wherein, the weight ratio of secondary monooctyl ester of said acetic acid and cosolvent is 1: 0.5-20.
3. mixed solvent according to claim 1 and 2; Wherein, Said cosolvent is cyclic ketones, aromatic solvent naphtha, have the compound of structure shown in the formula (1), have at least a in the compound, compound with structure shown in the formula (3) and the compound with structure shown in the formula (4) of structure shown in the formula (2)
HO-R
1-O-R
2(1)
R
3-CO-O-R
4-O-R
5(2)
CH
2＝CH-CO-O-R
6-O-R
7(3)
R
8-CO-R
9(4)
Wherein, R
1, R
4And R
6Be C independently of one another
2-C
5Alkylidene group, R
2, R
3, R
5, R
7, R
8And R
9Be C independently of one another
1-C
5Alkyl.
4. mixed solvent according to claim 3; Wherein, said cosolvent is at least a in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, ethylene glycol monomethyl ether acetate, propylene glycol monomethyl ether, dihydroxypropane single-ether, propylene glycol monobutyl ether, propylene glycol monoethyl ether acetate, propylene glycol monobutyl ether acetic ester, vinylformic acid oxyethyl group methyl esters, vinylformic acid ethoxy ethyl ester, vinylformic acid oxyethyl group butyl ester, n-butyl acetate, ETHYLE ACETATE, isobutyl acetate, MIBK, methyl ethyl ketone, the pimelinketone.
5. a coil steel coating compsn is characterized in that, is benchmark with the total amount of compsn, and said compsn contains:
(1) any described mixed solvent among the claim 1-4 of 1-50 weight %;
(2) matrix resin of 10-70 weight %, said matrix resin are at least a in urethane resin, vinyl resin, vibrin, Synolac, the epoxy resin;
(3) titanium oxide of 1-40 weight %;
(4) aerosil of 0.1-1 weight %.
6. coating composition according to claim 5 wherein, is a benchmark with the total amount of compsn, and the content of said mixed solvent is 5-30 weight %; The content of said matrix resin is 30-55 weight %; The content of said titanium oxide is 20-40 weight %; The content of said aerosil is 0.2-0.5 weight %.
7. coating composition according to claim 5, wherein, the weight-average molecular weight of said urethane resin is 1000-8000; The weight-average molecular weight of said vinyl resin is 1000-8000; The weight-average molecular weight of vibrin is 1000-8000; The weight-average molecular weight of Synolac is 1000-8000; The weight-average molecular weight of epoxy resin is 1000-8000.
8. coating composition according to claim 7, wherein, the weight-average molecular weight of said urethane resin is 6000-8000; The weight-average molecular weight of said vinyl resin is 2000-5000; The weight-average molecular weight of vibrin is 3000-6000; The weight-average molecular weight of Synolac is 3000-6000; The weight-average molecular weight of epoxy resin is 4000-6000.
9. according to any described coating composition among the claim 5-8, wherein, the particle diameter of said titanium oxide is the 0.2-0.6 micron, and the particle diameter of aerosil is the 10-100 nanometer.
10. the preparation method of a coil steel materials, this method are included in the coil substrate surface and execute and cover coating composition and this coating composition is solidified, and it is characterized in that said coating composition is any described coating composition among the claim 5-9.
11. method according to claim 10, wherein, the coil base material with respect to every square metre, the glue spread of coating composition is the 200-1000 gram.
12. method according to claim 11, wherein, said solidified condition comprises that solidification value is 200-260 ℃, and be 15-85 second set time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010508794.4A CN102443344B (en) | 2010-10-12 | 2010-10-12 | Mixed solvent and coil coating compound and preparation method of coil material |
| PCT/CN2011/078155 WO2012048602A1 (en) | 2010-10-12 | 2011-08-09 | Mixed solvent, coil coating composition, and method for preparing coil material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010508794.4A CN102443344B (en) | 2010-10-12 | 2010-10-12 | Mixed solvent and coil coating compound and preparation method of coil material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102443344A true CN102443344A (en) | 2012-05-09 |
| CN102443344B CN102443344B (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010508794.4A Expired - Fee Related CN102443344B (en) | 2010-10-12 | 2010-10-12 | Mixed solvent and coil coating compound and preparation method of coil material |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102443344B (en) |
| WO (1) | WO2012048602A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886227A (en) * | 2012-07-25 | 2013-01-23 | 中南大学 | Application of ethoxy ethyl acrylate polymer and preparation method thereof |
| CN103253018A (en) * | 2013-05-21 | 2013-08-21 | 辽宁超烁图码科技板业有限公司 | Production method of printing metal plate and printing metal plate produced through production method |
| CN107417895A (en) * | 2017-05-19 | 2017-12-01 | 江苏三木化工股份有限公司 | A kind of low winding steel paint base alkyd resin of cost and preparation method |
| CN116660099A (en) * | 2023-07-24 | 2023-08-29 | 绵阳新启科技有限公司 | Water-based paint fluidity detection system and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423543A (en) * | 2019-08-14 | 2019-11-08 | 程浩源 | A kind of coil coating and preparation method thereof based on silicone alkyd |
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| CN1415682A (en) * | 2002-09-20 | 2003-05-07 | 中国化工建设总公司常州涂料化工研究院 | Polyester paint of high solid for coiled material and lithographed sheet |
| JP2005302577A (en) * | 2004-04-13 | 2005-10-27 | Sekisui Chem Co Ltd | Conductive paste |
| CN101116037A (en) * | 2005-02-09 | 2008-01-30 | 昭和电工株式会社 | Photosensitive composition removing liquid |
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| KR20030003104A (en) * | 2001-06-29 | 2003-01-09 | 간사이 페인트 가부시키가이샤 | Process for forming multicolor pattern coating film |
| CN100455634C (en) * | 2004-05-24 | 2009-01-28 | 上海振华造漆厂 | Environment-friendly type nontoxic fluorine contained coating for coiled material |
| CN1687271A (en) * | 2005-04-18 | 2005-10-26 | 重庆芬斯特工业(集团)有限公司 | Primer of modified polyester coiled material |
| CN1330719C (en) * | 2005-07-01 | 2007-08-08 | 刘才方 | Low-temperature solidified polyester surface paint for procoating metal coiled material and its preparing method |
| US20100099806A1 (en) * | 2008-10-22 | 2010-04-22 | E. I. Du Pont De Nemours And Company | Process for Producing Dimethyl Carbonate Containing Compositions |
| CN101735710B (en) * | 2008-11-21 | 2013-08-07 | 上海振华造漆厂 | Coating for anti-camouflage khaki coils and preparation method and application thereof |
| CN101560360A (en) * | 2009-05-27 | 2009-10-21 | 马鞍山钢铁股份有限公司 | Paint used for preventing near infrared from detecting disguised color coated sheet and preparation as well as use method |
| CN101602914B (en) * | 2009-07-17 | 2011-11-16 | 中国海洋石油总公司 | Precoated coil coating for adhering polyester film and using method thereof |
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- 2011-08-09 WO PCT/CN2011/078155 patent/WO2012048602A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415682A (en) * | 2002-09-20 | 2003-05-07 | 中国化工建设总公司常州涂料化工研究院 | Polyester paint of high solid for coiled material and lithographed sheet |
| JP2005302577A (en) * | 2004-04-13 | 2005-10-27 | Sekisui Chem Co Ltd | Conductive paste |
| CN101116037A (en) * | 2005-02-09 | 2008-01-30 | 昭和电工株式会社 | Photosensitive composition removing liquid |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886227A (en) * | 2012-07-25 | 2013-01-23 | 中南大学 | Application of ethoxy ethyl acrylate polymer and preparation method thereof |
| CN102886227B (en) * | 2012-07-25 | 2015-01-21 | 中南大学 | Application of ethoxy ethyl acrylate polymer and preparation method thereof |
| CN103253018A (en) * | 2013-05-21 | 2013-08-21 | 辽宁超烁图码科技板业有限公司 | Production method of printing metal plate and printing metal plate produced through production method |
| CN103253018B (en) * | 2013-05-21 | 2016-01-20 | 辽宁超烁图码科技板业有限公司 | The stamp metallic plate that the production method of stamp metallic plate and employing the method are produced |
| CN107417895A (en) * | 2017-05-19 | 2017-12-01 | 江苏三木化工股份有限公司 | A kind of low winding steel paint base alkyd resin of cost and preparation method |
| CN107417895B (en) * | 2017-05-19 | 2019-10-25 | 江苏三木化工股份有限公司 | A kind of winding steel paint base alkyd resin and preparation method at low cost |
| CN116660099A (en) * | 2023-07-24 | 2023-08-29 | 绵阳新启科技有限公司 | Water-based paint fluidity detection system and method |
| CN116660099B (en) * | 2023-07-24 | 2023-10-31 | 绵阳新启科技有限公司 | Water-based paint fluidity detection system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012048602A1 (en) | 2012-04-19 |
| CN102443344B (en) | 2014-03-19 |
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