CN104592866A - Organosilicon modified polyester coiled material finish paint and preparation method thereof - Google Patents
Organosilicon modified polyester coiled material finish paint and preparation method thereof Download PDFInfo
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- CN104592866A CN104592866A CN201510056944.5A CN201510056944A CN104592866A CN 104592866 A CN104592866 A CN 104592866A CN 201510056944 A CN201510056944 A CN 201510056944A CN 104592866 A CN104592866 A CN 104592866A
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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
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/695—Polyesters containing atoms other than carbon, hydrogen and oxygen containing silicon
- C08G63/6954—Polyesters containing atoms other than carbon, hydrogen and oxygen containing silicon derived from polxycarboxylic acids and polyhydroxy compounds
- C08G63/6956—Dicarboxylic acids and dihydroxy compounds
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses coiled material coating and a preparation method thereof and particularly relates to organosilicon modified polyester coiled material finish paint and a preparation method thereof. The purpose of the invention is to provide organosilicon modified polyester coiled material finish paint and a preparation method thereof, wherein the organosilicon modified polyester coiled material finish paint product has the advantages of high drying speed, good storage stability, no layering, excellent application property and relatively low VOC and capability of reducing the environmental pollution, is lowered in manufacturing cost and can satisfy the industrial standard on product performance. The organosilicon modified polyester coiled material finish paint contains 40-60% of organosilicon modified polyester resin, 8-15% of amino resin, 10-20% of pigments, 10-20% of precipitated barium sulfate, 0.3-0.8% of a dispersion agent, 0.3-0.8% of a UV absorber, 0.4-1.0% of a blocked acid catalyst, 0.3-0.8% of a flatting agent, 0.3-0.8% of a defoaming agent and 5-15% of a solvent.
Description
Technical field
The present invention relates to a kind of coil coating and preparation method thereof, especially a kind of organosilicon modified polyester coiled material finishing paint and preparation method thereof.
Background technology
Coil coating production at home, development have the history of decades.Along with the high speed development of China's economic construction, the demand of coil coating is increasing, also more and more higher to the requirement of its performance.At present, Polyester resin lacquer is the maximum kind of coil coating consumption.Vibrin composition has very high mutability, under good surface hardness, there is again splendid deformability, especially have extremely strong metal sticking power when polymer line style copolyester, the paint film formed has light, plentiful, the high good physical and mechanical properties of hardness and resistance to chemical corrosion preferably.But the resistance toheat of vibrin is poor, and anti-yellowing property is low, and weather resistance is poor.In order to improve the heat-resisting weathering performance of vibrin, other resins conventional carry out chemical modification to it.Silicone resin has good resistance toheat and weather resistance, uses silicone resin modified polyester resin, can improve heat-resisting weather resistance and the chemical resistance of vibrin.
The development of the durable coiled material finishing paint of organosilicon modified polyester type of the large ring of such as Lee, coatings industry, 2007,37 (12), 30-32, hydroxyl polyester and silicone resin reaction are prepared silicone resin modified poly ester, and the coil coating that the modified poly ester of acquisition obtains has good ageing resistance.But employ a large amount of silicone resin in aforesaid method, cause the snappiness of modified poly ester and loss of adhesion.
For above problem, be badly in need of us and solve.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide that a kind of product drying speed is fast, shelf-stable, not stratified, have fabulous application property, lower VOC, reduce environmental pollution, reduce manufacturing cost and the product performance a kind of organosilicon modified polyester coiled material finishing paint reaching industry standard and preparation method thereof.
In order to achieve the above object, a kind of organosilicon modified polyester coiled material finishing paint designed by the present invention, it by the silicone modified polyester resin containing weight ratio 40% ~ 60%, 8% ~ 15% aminoresin, 10% ~ 20% pigment, 10% ~ 20% process white, 0.3% ~ 0.8% dispersion agent, 0.3% ~ 0.8% UV absorption agent, 0.4% ~ 1.0% dead front type acid catalyst, the flow agent of 0.3% ~ 0.8%, the defoamer of 0.3% ~ 0.8% and 5% ~ 15% solvent form, and the summation of proportioning is 100%; Wherein, silicone modified polyester resin is by the m-phthalic acid of 10 ~ 15 parts, the hexanodioic acid of 6 ~ 8 parts, 3 ~ 6 parts 1,4-cyclohexane cyclohexanedimethanodibasic, the neopentyl glycol of 8 ~ 14 parts, the ethyl butyl propanediol of 5 ~ 7 parts, 6 ~ 8 parts 2,2,4-trimethylammonium-1,3-pentanediol, the Mono-n-butyltin catalyzer of 0.05 ~ 0.12 part, the silicone intermediate of 10 ~ 20 parts, the backflow dimethylbenzene of 1.5 ~ 2.5 parts, the trimellitic acid 1,2-anhydride of 2 ~ 2.5 parts, No. 100 aromatic solvents of 25 ~ 30 parts and the butanols composition of 5 ~ 8 parts, and the summation of proportioning is 100 parts.
Wherein, aminoresin is high methyl-etherified aminoresin or butylated amino resin.
Wherein, dispersion agent is the interpolymer of polydimethylsiloxane, the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane.
Wherein, UV absorption agent is one or more in the derivative of Octabenzone, 2-hydroxy phenyl benzotriazole.
Wherein, dead front type acid catalyst is one or more in Witco 1298 Soft Acid, dinonylnaphthalene sulfonic acid, dinonylnaphthalene disulfonic acid.
Wherein, flow agent is polyether-modified polydimethylsiloxane or polyester modification polydimethylsiloxane.
Wherein, defoamer is isocyanate-modified acrylate or polyether polyester modified organic silicon.
Wherein, solvent is one or more in dimethylbenzene, butyl ether, aromatic hydrocarbons.
Wherein, pigment is titanium dioxide, phthalocyanine blue, iron oxide red, carbon black powder or organic yellow.
A kind of preparation method of organosilicon modified polyester coiled material finishing paint is:
The first step, the preparation of silicone modified polyester resin: agitator is housed at one, condenser, in the reactor of well heater, add the m-phthalic acid of 10 ~ 15g, the hexanodioic acid of 6 ~ 8g, 1 of 3 ~ 6g, 4-cyclohexane cyclohexanedimethanodibasic, the neopentyl glycol of 8 ~ 14g, the ethyl butyl propanediol of 5 ~ 7g, 2 of 6 ~ 8g, 2, 4-trimethylammonium-1, 3-pentanediol, the Mono-n-butyltin catalyzer of 0.05 ~ 0.12g, after adding, be warmed up to 160 DEG C, be incubated 3 hours, then 180 DEG C are warmed up to, be incubated 1 hour, and then be warmed up to 200 DEG C, be incubated 1 hour, finally be warmed up to 220 ~ 230 DEG C, be incubated transparent to material, add the silicone intermediate of 10 ~ 20g, the backflow dimethylbenzene of 1.5 ~ 2.5g, in 220 DEG C of insulations, esterification 2 ~ 3 hours, when surveying acid number lower than 3mgKOH/g, cool to 200 DEG C, add the trimellitic acid 1,2-anhydride of 2 ~ 2.5g, again in 220 DEG C of insulation esterifications, to when surveying acid number lower than 15mgKOH/g, cool to 200 DEG C, add No. 100 aromatic solvents of 25 ~ 30g, the butanols of 5 ~ 8g carries out latting drown, the silicone modified polyester resin solid content of gained is 60 ± 2%, viscosity is 110 ~ 135KU, acid number is 5 ~ 9mgKOH/g.
Second step, the preparation of organosilicon modified polyester coiled material finishing paint: the silicone modified polyester resin dropping into 40 ~ 60 parts in Scattered Kettle, the dispersion agent of 0.3 ~ 0.8 part, the solvent of 5 ~ 10 parts, after first high speed dispersion is even, add the pigment of 10 ~ 20 parts, the filler of 10 ~ 20 parts fully stirs evenly rear sand milling to fineness and substantially reaches≤and 20 μm, add the flow agent of 0.3 ~ 0.8 part, the aminoresin of 8 ~ 15 parts, the defoamer of 0.3 ~ 0.8 part, the acid catalyst of the UV absorption agent of 0.3 ~ 0.8 part and 0.4 ~ 1.0 part, and stir, extremely-4 are coated with by the solvent adjustment viscosity of 5 ~ 10 parts of remainder.
According to the above, a kind of organosilicon modified polyester coiled material finishing paint designed by the present invention and preparation method thereof, vibrin and silicone resin being combined can the advantage of both, mutually covers the shortage, thus greatly improve the performance of resin, expand its use range; Namely 216 DEG C are down to by the organosilicon modified polyester coiled material finishing paint solidification value that the inventive method preparation is produced, set time is reduced to 30s, there is fabulous application property, paint film has high-decoration, high fullness ratio, has good sticking power, resistance to punch process, mar-resistance, chemical-resistant, has excellent weathering resistance, save energy, reduce manufacturing cost, product performance far exceed industry standard, and economic benefit is good.
Embodiment
Embodiment 1:
A kind of organosilicon modified polyester coiled material finishing paint that the present embodiment describes, it is by containing weight ratio 500g silicone modified polyester resin, 90g aminoresin, 30g phthalocyanine blue, 80g titanium dioxide, 1g organic yellow, 90g process white, 90g process white, 4g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 3g2-hydroxyl-4-oxy-octyl benzophenone, 5g Witco 1298 Soft Acid, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon and 100g dimethylbenzene are formed, wherein, silicone modified polyester resin is by 10g m-phthalic acid, 8g hexanodioic acid, 6g1,4-cyclohexane cyclohexanedimethanodibasic, 8g neopentyl glycol, 7g ethyl butyl propanediol, 7g2,2,4-trimethylammonium-1,3-pentanediol, 0.08g tin catalyst, 20g silicone intermediate, 2.5g backflow dimethylbenzene, 2.5g trimellitic acid 1,2-anhydride, 25g No. 100 aromatic solvents and 6g butanols composition.
A kind of preparation method of organosilicon modified polyester coiled material finishing paint is:
The first step, the preparation of silicone modified polyester resin: agitator is housed at one, condenser, in the reactor of well heater, add 10g m-phthalic acid, 8g hexanodioic acid, 6g1, 4-cyclohexane cyclohexanedimethanodibasic, 8g neopentyl glycol, 7g ethyl butyl propanediol, 7g2, 2, 4-trimethylammonium-1, 3-pentanediol, 0.08g tin catalyst, after adding, be warmed up to 160 DEG C, be incubated 3 hours, then 180 DEG C are warmed up to, be incubated 1 hour, and then be warmed up to 200 DEG C, be incubated 1 hour, finally be warmed up to 220 DEG C of insulations transparent to material, add 20g silicone intermediate, 2.5g refluxes dimethylbenzene, esterifications 2 hours are incubated in 220 DEG C, when surveying acid number lower than 3mgKOH/g, cool to 200 DEG C and add 2.5g trimellitic acid 1,2-anhydride, again in 220 DEG C of insulation esterifications, to when surveying acid number lower than 15mgKOH/g, cool to 200 DEG C, add 25g No. 100 aromatic solvents, 6g butanols carries out latting drown, the silicone modified polyester resin solid content of gained is 60.8%, viscosity is 113 KU, acid number is 7.3mgKOH/g.
Second step, the preparation of organosilicon modified polyester coiled material finishing paint: in Scattered Kettle, drop into the resin of 500g, 4g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 60g dimethylbenzene, after high speed dispersion is even, add 30g phthalocyanine blue, 80g titanium dioxide, 1g organic yellow, 90g process white grinding distribution is to fineness 20 μm, add 5g Witco 1298 Soft Acid, 90g aminoresin, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, 3g2-hydroxyl-4-oxy-octyl benzophenone, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon stir, by the dimethylbenzene adjustment viscosity of the 40g of remainder.
Be below the performance test table of a kind of organosilicon modified polyester coiled material finishing paint of gained:
Embodiment 2:
A kind of organosilicon modified polyester coiled material finishing paint that the present embodiment describes, it is by the silicone modified polyester resin containing weight ratio 500g, 90g aminoresin, 30g phthalocyanine blue, 80g titanium dioxide, 1g organic yellow, 90g process white, 4g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 3g2-hydroxyl-4-oxy-octyl benzophenone, 5g Witco 1298 Soft Acid, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon and 100g butyl ether are formed, wherein, silicone modified polyester resin is made up of the mono-acid of 12g, 10g m-phthalic acid, 18g terephthalic acid, 4.5g hexanodioic acid, 20.5g methyl propanediol, 2.1g tri hydroxymethyl methyl propane, 2g backflow dimethylbenzene, 2.5g trimellitic acid 1,2-anhydride, No. 100 aromatic solvents of 30g and the butanols of 6g.
A kind of preparation method of organosilicon modified polyester coiled material finishing paint is:
The first step, the preparation of silicone modified polyester resin: agitator is housed at one, condenser, in the reactor of well heater, add the mono-acid of 12g, 10g m-phthalic acid, 18g terephthalic acid, 4.5g hexanodioic acid, 20.5g methyl propanediol, 2.1g tri hydroxymethyl methyl propane, after adding, be warmed up to 160 DEG C, be incubated 3 hours, then 180 DEG C are warmed up to, be incubated 1 hour, and then be warmed up to 200 DEG C, be incubated 1 hour, finally be warmed up to 225 DEG C of insulations transparent to material, add 2g backflow dimethylbenzene, esterifications 2 hours are incubated in 220 DEG C, when surveying acid number lower than 3mgKOH/g, cool to 200 DEG C and add 2.5g trimellitic acid 1,2-anhydride, again in 220 DEG C of insulation esterifications, to when surveying acid number lower than 14.8mgKOH/g, cool to less than 200 DEG C, add No. 100 aromatic solvents of 30g, the butanols of 6g carries out latting drown.The modified polyester resin solid content of gained is 60.2%, and viscosity is 122KU, and acid number is 8.5mgKOH/g.
Second step, the preparation of organosilicon modified polyester coiled material finishing paint: in Scattered Kettle, drop into the vibrin of 500g, 4g is polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 60g butyl ether, after high speed dispersion is even, add 30g phthalocyanine blue, 80g titanium dioxide, 1g organic yellow, 90g process white grinding distribution is to fineness 20 μm, add 5g Witco 1298 Soft Acid, 90g aminoresin, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, 3g2-hydroxyl-4-oxy-octyl benzophenone, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon stir, by the 40g butyl ether adjustment viscosity of remainder.
Be below the performance test table of a kind of organosilicon modified polyester coiled material finishing paint of gained:
Embodiment 3:
A kind of organosilicon modified polyester coiled material finishing paint that the present embodiment describes, it is by the silicone modified polyester resin containing weight ratio 500g, 120g aminoresin, 50g titanium dioxide, 6g carbon black, 1g organic yellow, 90g process white, 4g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 3g2-hydroxyl-4-oxy-octyl benzophenone, 5g dinonylnaphthalene sulfonic acid, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon and 100g aromatic hydrocarbons are formed, wherein, silicone modified polyester resin is by 10g m-phthalic acid, 8g hexanodioic acid, 6g1,4-cyclohexane cyclohexanedimethanodibasic, 8g neopentyl glycol, 7g ethyl butyl propanediol, 7g2,2,4-trimethylammonium-1,3-pentanediol, 0.08g tin catalyst, 20g silicone intermediate, 2.5g backflow dimethylbenzene, 2.5g trimellitic acid 1,2-anhydride, 25g No. 100 aromatic solvents and 6g butanols composition.
A kind of preparation method of organosilicon modified polyester coiled material finishing paint is:
The first step, the preparation of silicone modified polyester resin: consistent with the preparation method of silicone modified polyester resin in embodiment 1.
Second step, the preparation of organosilicon modified polyester coiled material finishing paint: in Scattered Kettle, drop into the resin of 500g, 4g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 60g aromatic hydrocarbons, after high speed dispersion is even, add 50g titanium dioxide, 6g carbon black, 1g organic yellow, 90g process white grinding distribution is to fineness 20 μm, add 5g dinonylnaphthalene sulfonic acid, 120g aminoresin, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, 3g2-hydroxyl-4-oxy-octyl benzophenone, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon stir, by the 40g aromatic hydrocarbons adjustment viscosity of remainder.
Be below the performance test table of a kind of organosilicon modified polyester coiled material finishing paint of gained:
Embodiment 4:
A kind of organosilicon modified polyester coiled material finishing paint that the present embodiment describes, it is by the silicone modified polyester resin containing weight ratio 500g, the aminoresin of 120g, 30g phthalocyanine blue, 50g titanium dioxide, 90g process white, 4g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 3g2-hydroxyl-4-oxy-octyl benzophenone, 5g dinonylnaphthalene sulfonic acid, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, the aromatic hydrocarbons of the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon and 100g is formed, wherein, silicone modified polyester resin is made up of the mono-acid of 12g, 10g m-phthalic acid, 18g terephthalic acid, 4.5g hexanodioic acid, 20.5g methyl propanediol, 2.1g tri hydroxymethyl methyl propane, 2g backflow dimethylbenzene, 2.5g trimellitic acid 1,2-anhydride, No. 100 aromatic solvents of 30g and the butanols of 6g.
A kind of preparation method of organosilicon modified polyester coiled material finishing paint is:
The first step, the preparation of silicone modified polyester resin: consistent with the preparation method of silicone modified polyester resin in embodiment 2.
Second step, the preparation of organosilicon modified polyester coiled material finishing paint: in Scattered Kettle, drop into the resin of 500g, 4g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 60g aromatic hydrocarbons, after high speed dispersion is even, add 30g phthalocyanine blue, 50g titanium dioxide, 90g process white grinding distribution is to fineness 20 μm, add 5g dinonylnaphthalene sulfonic acid, 120g aminoresin, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, 3g2-hydroxyl-4-oxy-octyl benzophenone, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon stir, by the 40g aromatic hydrocarbons adjustment viscosity of remainder.
Be below the performance test table of a kind of organosilicon modified polyester coiled material finishing paint of gained:
Embodiment 5:
A kind of organosilicon modified polyester coiled material finishing paint that the present embodiment describes, it is by the silicone modified polyester resin containing weight ratio 500g, 80g aminoresin, 130g organic yellow, 50g titanium dioxide, 120g process white, 4g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 3g2-hydroxyl-4-oxy-octyl benzophenone, 5g dead front type acid catalyst, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon and 100g dimethylbenzene are formed, wherein, silicone modified polyester resin is by 10g m-phthalic acid, 8g hexanodioic acid, 6g1,4-cyclohexane cyclohexanedimethanodibasic, 8g neopentyl glycol, 7g ethyl butyl propanediol, 7g2,2,4-trimethylammonium-1,3-pentanediol, 0.08g tin catalyst, 20g silicone intermediate, 2.5g backflow dimethylbenzene, 2.5g trimellitic acid 1,2-anhydride, 25g No. 100 aromatic solvents and 6g butanols composition.
A kind of preparation method of organosilicon modified polyester coiled material finishing paint is:
The first step, the preparation of silicone modified polyester resin: consistent with the preparation method of silicone modified polyester resin in embodiment 1.
Second step, the preparation of organosilicon modified polyester coiled material finishing paint: in Scattered Kettle, drop into the resin of 500g, 5g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 60g dimethylbenzene, after high speed dispersion is even, add 30g organic yellow, 50g titanium dioxide, 120g process white grinding distribution is to fineness 20 μm, add 4g acid catalyst, 80g aminoresin, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, 3g2-hydroxyl-4-oxy-octyl benzophenone, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon stir, by the 40g dimethylbenzene adjustment viscosity of remainder.
Be below the performance test table of a kind of organosilicon modified polyester coiled material finishing paint of gained:
Embodiment 6:
A kind of organosilicon modified polyester coiled material finishing paint that the present embodiment describes, it is by the silicone modified polyester resin containing weight ratio 500g, 90g aminoresin, 30g phthalocyanine blue, 50g titanium dioxide, 100g process white, 4g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 5g2-hydroxyl-4-oxy-octyl benzophenone, 7g dead front type acid catalyst, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon and 100g butyl ether are formed, wherein, silicone modified polyester resin is by 10g m-phthalic acid, 8g hexanodioic acid, 6g1,4-cyclohexane cyclohexanedimethanodibasic, 8g neopentyl glycol, 7g ethyl butyl propanediol, 7g2,2,4-trimethylammonium-1,3-pentanediol, 0.08g tin catalyst, 20g silicone intermediate, 2.5g backflow dimethylbenzene, 2.5g trimellitic acid 1,2-anhydride, 25g No. 100 aromatic solvents and 6g butanols composition.
A kind of preparation method of organosilicon modified polyester coiled material finishing paint is:
The first step, the preparation of silicone modified polyester resin: consistent with the preparation method of silicone modified polyester resin in embodiment 1.
Second step, the preparation of organosilicon modified polyester coiled material finishing paint: in Scattered Kettle, drop into the resin in 500g embodiment 1, 4g polydimethylsiloxane, the interpolymer of the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane, 60g butyl ether, after high speed dispersion is even, add 30g phthalocyanine blue, 50g titanium dioxide, 100g process white grinding distribution is to fineness 20 μm, add 7g acid catalyst, 90g aminoresin, the polyether-modified polydimethylsiloxane of 3g or polyester modification polydimethylsiloxane, 5g2-hydroxyl-4-oxy-octyl benzophenone, the isocyanate-modified acrylate of 3g or polyether polyester modified organic silicon stir, by the 40g butyl ether adjustment viscosity of remainder.
Be below the performance test table of a kind of organosilicon modified polyester coiled material finishing paint of gained:
Claims (9)
1. an organosilicon modified polyester coiled material finishing paint, it is characterized in that: it by the silicone modified polyester resin containing weight ratio 40% ~ 60%, 8% ~ 15% aminoresin, 10% ~ 20% pigment, 10% ~ 20% process white, 0.3% ~ 0.8% dispersion agent, 0.3% ~ 0.8% UV absorption agent, 0.4% ~ 1.0% dead front type acid catalyst, the flow agent of 0.3% ~ 0.8%, the defoamer of 0.3% ~ 0.8% and 5% ~ 15% solvent form, and the summation of proportioning is 100%; Wherein, silicone modified polyester resin is by the m-phthalic acid of 10 ~ 15 parts, the hexanodioic acid of 6 ~ 8 parts, 3 ~ 6 parts 1,4-cyclohexane cyclohexanedimethanodibasic, the neopentyl glycol of 8 ~ 14 parts, the ethyl butyl propanediol of 5 ~ 7 parts, 6 ~ 8 parts 2,2,4-trimethylammonium-1,3-pentanediol, the Mono-n-butyltin catalyzer of 0.05 ~ 0.12 part, the silicone intermediate of 10 ~ 20 parts, the backflow dimethylbenzene of 1.5 ~ 2.5 parts, the trimellitic acid 1,2-anhydride of 2 ~ 2.5 parts, No. 100 aromatic solvents of 25 ~ 30 parts and the butanols composition of 5 ~ 8 parts, and the summation of proportioning is 100 parts.
2. a kind of organosilicon modified polyester coiled material finishing paint according to claim 1, is characterized in that: aminoresin is high methyl-etherified aminoresin or butylated amino resin.
3. a kind of organosilicon modified polyester coiled material finishing paint according to claim 1, is characterized in that: dispersion agent is the interpolymer of polydimethylsiloxane, the unsaturated polycarboxylic acid polymers of lower molecular weight and polysiloxane.
4. a kind of organosilicon modified polyester coiled material finishing paint according to claim 1, is characterized in that: UV absorption agent is one or more in the derivative of Octabenzone, 2-hydroxy phenyl benzotriazole.
5. a kind of organosilicon modified polyester coiled material finishing paint according to claim 1, is characterized in that: dead front type acid catalyst is one or more in Witco 1298 Soft Acid, dinonylnaphthalene sulfonic acid, dinonylnaphthalene disulfonic acid.
6. a kind of organosilicon modified polyester coiled material finishing paint according to claim 1, is characterized in that: flow agent is polyether-modified polydimethylsiloxane or polyester modification polydimethylsiloxane.
7. a kind of organosilicon modified polyester coiled material finishing paint according to claim 1, is characterized in that: defoamer is isocyanate-modified acrylate or polyether polyester modified organic silicon.
8. a kind of organosilicon modified polyester coiled material finishing paint according to claim 1, is characterized in that: solvent is one or more in dimethylbenzene, butyl ether, aromatic hydrocarbons; Pigment is titanium dioxide, phthalocyanine blue, iron oxide red, carbon black powder or organic yellow.
9. the preparation method of an organosilicon modified polyester coiled material finishing paint, it is characterized in that: the first step, the preparation of silicone modified polyester resin: agitator is housed at one, condenser, in the reactor of well heater, add the m-phthalic acid of 10 ~ 15g, the hexanodioic acid of 6 ~ 8g, 1 of 3 ~ 6g, 4-cyclohexane cyclohexanedimethanodibasic, the neopentyl glycol of 8 ~ 14g, the ethyl butyl propanediol of 5 ~ 7g, 2 of 6 ~ 8g, 2, 4-trimethylammonium-1, 3-pentanediol, the Mono-n-butyltin catalyzer of 0.05 ~ 0.12g, after adding, be warmed up to 160 DEG C, be incubated 3 hours, then 180 DEG C are warmed up to, be incubated 1 hour, and then be warmed up to 200 DEG C, be incubated 1 hour, finally be warmed up to 220 ~ 230 DEG C, be incubated transparent to material, add the silicone intermediate of 10 ~ 20g, the backflow dimethylbenzene of 1.5 ~ 2.5g, in 220 DEG C of insulations, esterification 2 ~ 3 hours, when surveying acid number lower than 3mgKOH/g, cool to 200 DEG C, add the trimellitic acid 1,2-anhydride of 2 ~ 2.5g, again in 220 DEG C of insulation esterifications, to when surveying acid number lower than 15mgKOH/g, cool to 200 DEG C, add No. 100 aromatic solvents of 25 ~ 30g, the butanols of 5 ~ 8g carries out latting drown, the silicone modified polyester resin solid content of gained is 60 ± 2%, viscosity is 110 ~ 135KU, acid number is 5 ~ 9mgKOH/g, second step, the preparation of organosilicon modified polyester coiled material finishing paint: the silicone modified polyester resin dropping into 40 ~ 60 parts in Scattered Kettle, the dispersion agent of 0.3 ~ 0.8 part, the solvent of 5 ~ 10 parts, after first high speed dispersion is even, add the pigment of 10 ~ 20 parts, the filler of 10 ~ 20 parts fully stirs evenly rear sand milling to fineness and substantially reaches≤and 20 μm, add the flow agent of 0.3 ~ 0.8 part, the aminoresin of 8 ~ 15 parts, the defoamer of 0.3 ~ 0.8 part, the acid catalyst of the UV absorption agent of 0.3 ~ 0.8 part and 0.4 ~ 1.0 part, and stir, by the solvent adjustment viscosity of 5 ~ 10 parts of remainder.
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| CN105153932A (en) * | 2015-11-01 | 2015-12-16 | 刘应才 | Preparation method of anti-corrosive paint for exhaust waste heat utilization of low-medium temperature power plant |
| CN105385314A (en) * | 2015-12-29 | 2016-03-09 | 佛山市沃特布恩新型材料有限公司 | Water-based white polyester coil coating special for aluminum ceiling finish paint and preparation method of water-based white polyester coil coating |
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| CN104910766A (en) * | 2015-05-11 | 2015-09-16 | 广德美涂士化工有限公司 | High-flame retardation and low-shrinkage polyester resin finish |
| CN105153932A (en) * | 2015-11-01 | 2015-12-16 | 刘应才 | Preparation method of anti-corrosive paint for exhaust waste heat utilization of low-medium temperature power plant |
| CN105385314A (en) * | 2015-12-29 | 2016-03-09 | 佛山市沃特布恩新型材料有限公司 | Water-based white polyester coil coating special for aluminum ceiling finish paint and preparation method of water-based white polyester coil coating |
| CN105622910A (en) * | 2016-03-04 | 2016-06-01 | 肇庆福田化学工业有限公司 | Organic silicon-modified high-pollution resistance unsaturated polyester resin and synthesizing method thereof |
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| CN105567062A (en) * | 2016-03-16 | 2016-05-11 | 张学健 | Organosilicon coil coating and preparation method thereof |
| CN108129974B (en) * | 2017-12-26 | 2020-08-04 | 株洲市九华新材料涂装实业有限公司 | Polysiloxane finish paint for rolling stock and preparation method thereof |
| CN108129974A (en) * | 2017-12-26 | 2018-06-08 | 株洲市九华新材料涂装实业有限公司 | A kind of polysiloxane topcoat used for rolling stock and preparation method thereof |
| CN109370436A (en) * | 2018-09-04 | 2019-02-22 | 奥尔(肇庆)金属彩板实业有限公司 | A kind of dedicated finishing coat of steel calcium plate and preparation method |
| CN110003778A (en) * | 2019-03-22 | 2019-07-12 | 佛山市沃特布恩新型材料有限公司 | One kind is for waterborne polyester white paint in coil coating and preparation method thereof |
| CN111690140A (en) * | 2020-07-14 | 2020-09-22 | 重庆三峡油漆股份有限公司 | Solvent-free polyester siloxane resin and preparation method and application thereof |
| CN112552803A (en) * | 2020-12-15 | 2021-03-26 | 吴春秋 | Antibacterial coil coating with water resistance |
| CN112552803B (en) * | 2020-12-15 | 2021-08-27 | 广东碧橙材料科技有限公司 | Antibacterial coil coating with water resistance |
| CN112795282A (en) * | 2020-12-30 | 2021-05-14 | 万博新材料科技（南通）有限公司 | Synthetic method of ultraviolet absorbent for water-based coiled material finish paint |
| CN115286979A (en) * | 2022-03-31 | 2022-11-04 | 中海油常州涂料化工研究院有限公司 | Coiled material coating with self-cleaning function and preparation method thereof |
| CN114702903A (en) * | 2022-05-10 | 2022-07-05 | 深圳市深赛尔股份有限公司 | Water-based silicon-modified polyester coating and preparation method thereof |
| CN114989725A (en) * | 2022-06-29 | 2022-09-02 | 深圳市深赛尔股份有限公司 | Corrosion-resistant water-based silicon-modified polyester tank coating and preparation method thereof |
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