CN101845209B - Soybean oil modified alkyd as well as preparation method and application thereof in coating - Google Patents
Soybean oil modified alkyd as well as preparation method and application thereof in coating Download PDFInfo
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Abstract
The invention discloses soybean oil modified alkyd which is prepared from the following raw materials in parts by weight: 180-250 parts of soybean oil, 180-280 parts of benzoic acid, 230-260 parts of benzoic anhydride, 130-150 parts of pentaerythritol, 15-20 parts of trimethylolpropane, 30-50 parts of diglycol, 20-30 parts of reflux dimethylbenzene, 260-280 parts of diluted dimethylbenzene, 1.5-3.0 parts of color-reducing antioxidant and 0.1-0.2 part of catalyst. The invention has the advantages that the alcoholysis temperature can be decreased, and the alcoholysis reaction time can be shortened, thereby the heat efficiency loss of a heat supply system is reduced, the utilization ratio of heat energy is improved, the fuel oil consumption is reduced, the production efficiency is improved, coating films with different characteristics can be formed, and the soybean oil modified alkyd has quite excellent use characteristic and quite wide application fields.
Description
Technical field
The present invention relates to a kind of modified alkyd resin, be specially a kind of can reduce the alcoholysis temperature and shorten the alcoholysis reaction time, less energy-consumption, the soybean oil modified alkyd of enhancing productivity and manufacture method and the application in coating.
Background technology
At present, alkyd resin production enterprise is in the technique of making soybean oil modified alkyd, and general the employing carried out in tetramethylolmethane, soybean oil and catalyzer alcoholysis conventional system.When concrete operations, need to stir and be warmed up to 240～250 ℃, and it is qualified to be incubated the alcoholysis of 30～45min ability.Must cause energy dissipation under such high temperature and have the problem that the thermal resource utilization ratio is low, production efficiency is low.
Summary of the invention
The objective of the invention is for having energy consumption height and the low deficiency of productive rate in the above-described soybean oil modified alkyd production technique, providing a kind of can reduce the alcoholysis temperature and shorten the alcoholysis reaction time, thereby reduce the loss of heating system thermo-efficiency and the utilization ratio of raising heat energy, reduce the fuel oil consumption, the manufacture method of the soybean oil modified alkyd of enhancing productivity.
The second purpose of the present invention provides the low soybean oil modified alkyd of a kind of outward appearance form and aspect.
The 3rd purpose of the present invention provides a kind of coating of using soybean oil modified alkyd.
The present invention is achieved in that soybean oil modified alkyd, is made by the raw material of following parts by weight:
Soybean oil: 180～250,
Phenylformic acid: 180～280,
Phthalic anhydride: 230～260,
Tetramethylolmethane: 130～150,
TriMethylolPropane(TMP): 15～20,
Glycol ether: 30～50,
Backflow dimethylbenzene: 20～30,
Latting drown dimethylbenzene: 260～280,
The oxidation inhibitor of losing lustre: 1.5～3.0,
Catalyzer: 0.1～0.2.
The manufacture method of soybean oil modified alkyd, it comprises the steps:
(1), in empty reactor, leads in advance nitrogen (N
2↑) 3～8min, nitrogen (N
2↑) flow can be 2～5m
3/ h;
(2), by above-mentioned formulation weight umber have high input successively soya-bean oil, 15～20% tetramethylolmethane, 10～15% glycol ether, stir and heat up;
(3), stop to stir input catalyzer, continuation stirring intensification when being warming up to 110～130 ℃;
(4), be warming up to 215～225 ℃ of insulations, alcoholysis reaction to still internal alcoholysis thing and dehydrated alcohol ratio is 1: 5～10 transparent rear coolings of mixed solution in the time of 25 ℃;
When (5), being cooled to 150～170 ℃, drop into phenylformic acid, phthalic anhydride, remaining tetramethylolmethane, TriMethylolPropane(TMP), the remaining glycol ether of above-mentioned formulation weight umber in the stirring, lose lustre oxidation inhibitor and backflow dimethylbenzene, logical nitrogen (N2 ↑) 3～8min, nitrogen (N2 ↑) flow is: 2～5m
3/ h, then heat temperature raising;
(6), be warming up to 160～180 ℃ of insulations and refluxed 1～2 hour, rear usefulness was warming up to 200～220 ℃ of insulations in 3～5 hours;
Cooling when (7), being incubated to acid number less than or equal to 18mgKOH/g, viscosity as " 18～28 "/25 ℃ Ge Shi pipe;
(8), open the nitrogen (N of thinning vessel
2↑), nitrogen flow is 3～9m
3/ h, the but water of unlatching thinning vessel inner coil pipe drops into first 50% latting drown dimethylbenzene in opening the thinning vessel of stirring;
Change the material in the reactor over to the thinning vessel latting drown when (9), the question response temperature in the kettle is down to 160～180 ℃, still is complete to drop into thinning vessel again after remaining 50% latting drown dimethylbenzene cleaning reaction still wait turning, material stirring cools off more than the 10min in the thinning vessel, detect the resin index: outward appearance, acid number, viscosity, admittedly contain qualified after, when treating that temperature is down to 100～130 ℃, filter bag with≤20 μ m specifications filters, the discharging barrelling.
A kind of pair of component dull finishing coat, made by following weight fraction raw material:
Soybean oil modified alkyd (H07F-70) 65～75,
Toluene 2～4,
Pimelinketone 2～4,
Wetting agent 0.2～0.4,
Anti-settling agent 0.2～0.4,
Mute powder 3～6,
N-BUTYL ACETATE 3～5,
Defoamer 0.2～0.4,
Flow agent 0.2～0.4,
Dimethylbenzene 10～13,
Vinyl acetic monomer 1～2;
The making method of a kind of pair of component dull finishing coat, it step that comprises is as follows:
(1), the raw soybeans oil-modified alkyd resin (H07F-70) of above-mentioned parts by weight, toluene, pimelinketone, wetting agent and anti-settling agent are dropped into joins that to adopt rotating speed in the lacquer cylinder be that 300-500 rev/min low speed dispersion machine is uniformly dispersed;
(2), under agitation condition, the mute powder of raw material, N-BUTYL ACETATE, defoamer, flow agent and the dimethylbenzene that slowly add above-mentioned parts by weight, adopting rotating speed is that 1600-2000 rev/min high speed dispersor fully is dispersed to fineness≤30 micron, adopt again vinyl acetic monomer to transfer viscosity to 4000～6000mpa.s/25 ℃, stop after qualified to disperse, leave standstill and deposit 10～20min, behind the dull finishing coat froth breaking, pack.
The present invention adopts alcohol mixture and soybean oil and catalyzer to carry out alcoholysis, and the method for utilizing the mixing raw material azeotropic principles to reduce the alcoholysis reaction temperature is made this synthetic alkyd resin, the alcoholysis temperature only need be warmed up to 220 ℃ ± 5 ℃, and approximately 15～20min alcoholysis is qualified but be incubated.In realizing making method of the present invention, original production equipment need not changed, and operating procedure is simple, the Synolac property indices of making (as: viscosity, acid number, admittedly contain,, hydroxyl value etc.) and the paint film property of preparation (as: gloss, do speed, sticking power, hardness, appearance effect etc.) suitable with the Synolac of routine, but appearance luster is better.Therefore, the invention has the beneficial effects as follows: can reduce the alcoholysis temperature and shorten the alcoholysis reaction time, thereby reduce the loss of heating system thermo-efficiency and the utilization ratio of raising heat energy, reduce the fuel oil consumption, enhance productivity, can form filming of different qualities, have very excellent service performance, Application Areas is very extensive.
Embodiment
The present invention will be described in detail below in conjunction with specific embodiment.
Embodiment 1
Soybean oil modified alkyd is made by the raw material of following parts by weight: soybean oil 200～230, phenylformic acid 220～250, phthalic anhydride 240～250, tetramethylolmethane 135～145, TriMethylolPropane(TMP) 16～18, glycol ether 35～45, backflow dimethylbenzene 20～30, latting drown dimethylbenzene 260～280, lose lustre oxidation inhibitor 2.0～2.5 and catalyzer 0.14～0.18.
Embodiment 2
Soybean oil modified alkyd is made by the raw material of following parts by weight: soybean oil 180, phenylformic acid 180, phthalic anhydride 230, tetramethylolmethane 130, TriMethylolPropane(TMP) 15, glycol ether 30, backflow dimethylbenzene 20, latting drown dimethylbenzene 260, lose lustre oxidation inhibitor 1.5 and catalyzer 0.1.
Embodiment 3
Soybean oil modified alkyd is made by the raw material of following parts by weight: soybean oil 250, phenylformic acid 280, phthalic anhydride 260, tetramethylolmethane 150, TriMethylolPropane(TMP) 20, glycol ether 50, backflow dimethylbenzene 30, latting drown dimethylbenzene 280, lose lustre oxidation inhibitor 3.0 and catalyzer 0.2.
Embodiment 4
Soybean oil modified alkyd is made by the raw material of following parts by weight: soybean oil 200, phenylformic acid 220, phthalic anhydride 240, tetramethylolmethane 140, TriMethylolPropane(TMP) 18, glycol ether 40, backflow dimethylbenzene 25, latting drown dimethylbenzene 270, lose lustre oxidation inhibitor 2.0 and catalyzer 0.15.
Embodiment 5
Soybean oil modified alkyd is made by the raw material of following parts by weight: soybean oil 220, phenylformic acid 250, phthalic anhydride 250, tetramethylolmethane 142, TriMethylolPropane(TMP) 17, glycol ether 38, backflow dimethylbenzene 28, latting drown dimethylbenzene 273, lose lustre oxidation inhibitor 2.5 and catalyzer 0.18.
Soybean oil in the above-mentioned raw materials, phenylformic acid, phthalic anhydride, tetramethylolmethane, TriMethylolPropane(TMP), glycol ether, dimethylbenzene, the oxidation inhibitor of losing lustre all can adopt industrial raw material, the pure level of catalyzer Optimization Analysis reagent.The oxidation inhibitor of losing lustre in the above-mentioned raw materials can be Hypophosporous Acid, 50 or BHT.Catalyzer in the above-mentioned raw materials can be lithium hydroxide and/or sodium hydroxide.
The manufacture method of the soybean oil modified alkyd of above embodiment, it comprises the steps:
(1), in empty reactor, leads in advance nitrogen (N
2↑) 3～8min, nitrogen (N
2↑) flow can be 2～5m
3/ h;
(2), successively drop into the glycol ether of the formulation weight umber of the tetramethylolmethane of formulation weight umber of soybean oil, 15～20% above-described embodiments of the formulation weight umber of above-described embodiment and 10～15% above-described embodiments, stir and heat up;
(3), stop to stir the catalyzer of input above-described embodiment formulation weight umber, continuation stirring intensification when being warming up to 110～130 ℃;
(4), be warming up to 215～225 ℃ the insulation alcoholysis reaction to still internal alcoholysis things be 1: 5～10 with the dehydrated alcohol ratio, mixed solution is transparent rear cooling in the time of 25 ℃;
When (5), being cooled to 150～170 ℃, drop into phenylformic acid, phthalic anhydride, remaining tetramethylolmethane, TriMethylolPropane(TMP), remaining glycol ether, lose lustre oxidation inhibitor and the backflow dimethylbenzene of above-described embodiment formulation weight umber in the stirring, logical nitrogen (N2 ↑) 3～8min, nitrogen (N2 ↑) flow is 2～5m
3/ h, then heat temperature raising;
(6), be warming up to 160～180 ℃ of insulations and refluxed 1～2 hour, rear usefulness was warming up to 200～220 ℃ of insulations in 3～5 hours;
Cooling when (7), being incubated to acid number less than or equal to 18mgKOH/g, viscosity as " 18～28 "/25 ℃ Ge Shi pipe;
(8), open the nitrogen (N of thinning vessel
2↑), nitrogen flow is 3～9m
3/ h opens the but water of thinning vessel inner coil pipe, opens to be stirred in 40～60% the latting drown dimethylbenzene that thinning vessel drops into first above-described embodiment formulation weight umber;
Change the thinning vessel latting drown when (9), the question response temperature in the kettle is down to 160～180 ℃ over to, still is complete to drop into thinning vessel again after remaining latting drown dimethylbenzene cleaning reaction still wait turning, material stirring cools off more than the 10min in the thinning vessel, detect the resin index: outward appearance, acid number, viscosity, admittedly contain qualified after, when treating that temperature is down to 100～130 ℃, filter bag with≤20 μ m specifications filters, the discharging barrelling.
Preferably, the manufacture method of soybean oil modified alkyd comprises the steps:
(1), in empty reactor, leads in advance nitrogen ((N
2↑) 5～6min, nitrogen (N
2↑) flow can be 3～4m
3/ h;
(2), successively drop into the glycol ether of the formulation weight umber of the tetramethylolmethane of formulation weight umber of soybean oil, 15～20% above-described embodiments of the formulation weight umber of above-described embodiment and 10～15% above-described embodiments, stir and heat up;
(3), stop to stir the catalyzer of input above-described embodiment formulation weight umber, continuation stirring intensification when being warming up to 120 ℃;
(4), be warming up to 220 ℃ the insulation alcoholysis reaction to still internal alcoholysis things be 1: 5～10 with the dehydrated alcohol ratio, mixed solution is transparent rear cooling in the time of 25 ℃;
When (5), being cooled to 160 ℃, drop into phenylformic acid, phthalic anhydride, remaining tetramethylolmethane, TriMethylolPropane(TMP), remaining glycol ether, lose lustre oxidation inhibitor and the backflow dimethylbenzene of above-described embodiment formulation weight umber in the stirring, logical nitrogen (N2 ↑) 4～6min, nitrogen (N2 ↑) flow is 3～4m
3/ h, then heat temperature raising;
(6), be warming up to 170 ℃ of insulations and refluxed 1～2 hour, rear usefulness was warming up to 210 ℃ of insulations in 3～5 hours;
Cooling when (7), being incubated to acid number less than or equal to 18mgKOH/g, viscosity as " 18～28 "/25 ℃ Ge Shi pipe;
(8), open the nitrogen (N of thinning vessel
2↑), nitrogen flow is 4～8m
3/ h opens the but water of thinning vessel inner coil pipe, opens to be stirred in 50% the latting drown dimethylbenzene that thinning vessel drops into first above-described embodiment formula ratio;
Change the thinning vessel latting drown when (9), the question response temperature in the kettle is down to 170 ℃ over to, still is complete to drop into thinning vessel again after remaining latting drown dimethylbenzene cleaning reaction still wait turning, material stirring cools off more than the 10min in the thinning vessel, detect the resin index: outward appearance, acid number, viscosity, admittedly contain qualified after, when treating that temperature is down to 120 ℃, filter bag with≤20 μ m specifications filters, the discharging barrelling.
The performance index of the soybean oil modified alkyd that makes by above-mentioned raw materials and method as can be known after testing, are as follows:
Outward appearance: pale yellow transparent liquid,
Color and luster :≤2# (Fe～Go),
Viscosity: 70000～100000mpa.s/25 ℃,
Acid number :≤13mgKOH/g,
Admittedly contain: 70 ± 1.5%,
Hydroxyl value: 145 ± 10mgkoh/g.
Utilize a kind of pair of component dull finishing coat of making of soybean oil modified alkyd of the present invention.
Embodiment 6
A kind of pair of component dull finishing coat, made by following weight fraction raw material:
Soybean oil modified alkyd (H07F-70) 65, toluene 2, pimelinketone 2, wetting agent 0.2, anti-settling agent 0.2, mute powder 3, N-BUTYL ACETATE 3, defoamer 0.2, flow agent 0.2, dimethylbenzene 10, vinyl acetic monomer 1.
Embodiment 7
A kind of pair of component dull finishing coat, made by following weight fraction raw material:
Soybean oil modified alkyd (H07F-70) 75, toluene 4, pimelinketone 4, wetting agent 0.4, anti-settling agent 0.4, mute powder 6, N-BUTYL ACETATE 5, defoamer 0.4, flow agent 0.4, dimethylbenzene 13, vinyl acetic monomer 2.
Embodiment 8
A kind of pair of component dull finishing coat, made by following weight fraction raw material:
Soybean oil modified alkyd (H07F-70) 70, toluene 3, pimelinketone 3, wetting agent 0.3, anti-settling agent 0.3, mute powder 4, N-BUTYL ACETATE 4, defoamer 0.3, flow agent 0.3, dimethylbenzene 12, vinyl acetic monomer 1.5.
Embodiment 8
A kind of pair of component dull finishing coat, made by following weight fraction raw material:
Soybean oil modified alkyd (H07F-70) 71, toluene 3, pimelinketone 3, wetting agent 0.3, anti-settling agent 0.3, mute powder 5, N-BUTYL ACETATE 4, defoamer 0.3, flow agent 0.3, dimethylbenzene 11, vinyl acetic monomer 1.5.
Above-described wetting agent can use model to be the wetting agent of BYK-104S; Anti-settling agent can use aerosil and/or organobentonite; Defoamer can use model to be the defoamer of BYK-141; Flow agent can use model to be the flow agent of BYK-306.
Above-described embodiment is as follows with the step that the making method of my two component dull finishing coats comprises:
(1), the raw soybeans oil-modified alkyd resin (H07F-70) of above-mentioned parts by weight, toluene, pimelinketone, wetting agent and anti-settling agent are dropped into joins that to adopt rotating speed in the lacquer cylinder be that 300-500 rev/min low speed dispersion machine is uniformly dispersed;
(2), under agitation condition, the mute powder of above-mentioned weight fraction raw material, N-BUTYL ACETATE, defoamer, flow agent and the dimethylbenzene that slowly add above-mentioned parts by weight, adopting rotating speed is that 1600-2000 rev/min of high speed dispersor fully is dispersed to fineness≤30 micron, adopt again vinyl acetic monomer to transfer viscosity to 4000～6000mpa.s/25 ℃, stop after qualified to disperse, leave standstill and deposit 10～20min, behind the dull finishing coat froth breaking, pack.
When using, press two component dull finishing coats: solidifying agent: thinner=1: 0.5: 0.6～0.8 proportioning leaves standstill 10min, coated plate behind froth breaking after preparing lacquer liquid, employing has gas spray gun to be sprayed on sticky paperboard and the polishing tinplate sheet well, treats its normal temperature self-drying 48h after spray is good.After testing inspection: do solid work≤3h; Sticking power≤1 grade (48h), hardness 〉=1H (48h), gloss=45～50% (60 °), shock resistance 〉=50kg.cm.
The present invention adopts two kinds of pure mixing and soybean oil and catalyzer to carry out alcoholysis, and the method for utilizing the mixing raw material azeotropic principles to reduce the alcoholysis reaction temperature is made this synthetic alkyd resin, the alcoholysis temperature only need be warmed up to 220 ℃ ± 5 ℃, and approximately 15～20min alcoholysis is qualified but be incubated.In realizing making method of the present invention, original production equipment need not be changed, and operating procedure is simple, the paint film property of the Synolac property indices of making (as: viscosity, acid number, admittedly contain, hydroxyl value etc.) and preparation (as: gloss, do speed, sticking power, hardness, appearance effect etc.) is suitable with the Synolac of routine, but appearance luster is better.The present invention can reduce the alcoholysis temperature and shorten the alcoholysis reaction time, thereby reduces the loss of heating system thermo-efficiency and the utilization ratio of raising heat energy, reduces the fuel oil consumption, enhance productivity, can form filming of different qualities, have very excellent service performance, Application Areas is very extensive.
Claims (8)
1. soybean oil modified alkyd is characterized in that, is made by the raw material of following parts by weight:
Soybean oil: 180～250,
Phenylformic acid: 180～280,
Phthalic anhydride: 230～260,
Tetramethylolmethane: 130～150,
TriMethylolPropane(TMP): 15～20,
Glycol ether: 30～50,
Backflow dimethylbenzene: 20～30,
Latting drown dimethylbenzene: 260～280,
The oxidation inhibitor of losing lustre: 1.5～3.0,
Catalyzer: 0.1～0.2;
The manufacture method of soybean oil modified alkyd comprises the steps:
(1), in empty reactor logical nitrogen 3～8min in advance, the flow of nitrogen is 2～5m
3/ h;
(2), successively drop into soybean oil, 15～20% tetramethylolmethanes, 10～15% glycol ethers of above-mentioned formulation weight umber, stir and heat up;
(3), stop to stir input catalyzer, continuation stirring intensification when being warming up to 110～130 ℃;
(4), being warming up to 215～225 ℃ of insulation alcoholysis reaction to still internal alcoholysis thing and dehydrated alcohol ratios is 1: 5～10 transparent rear coolings of mixed solution in the time of 25 ℃;
(5), when being cooled to 150～170 ℃, drop into phenylformic acid, phthalic anhydride, remaining tetramethylolmethane, TriMethylolPropane(TMP), remaining glycol ether in the stirring, lose lustre oxidation inhibitor and backflow dimethylbenzene, logical nitrogen 3～8min, nitrogen flow is 2～5m
3/ h, then heat temperature raising;
(6), be warming up to 160～180 ℃ of insulations and refluxed 1～2 hour, rear usefulness was warming up to 200～220 ℃ of insulations in 3～5 hours;
Cooling when (7), being incubated to acid number less than or equal to 18mgKOH/g, viscosity as " 18～28 "/25 ℃ Ge Shi pipe;
(8), open the nitrogen of thinning vessel, nitrogen flow is 3～9m
3/ h opens the water coolant of thinning vessel inner coil pipe, opens to be stirred in thinning vessel and to drop into first 50% latting drown dimethylbenzene;
Change the thinning vessel latting drown when (9), the question response temperature in the kettle is down to 160～180 ℃ over to, still is complete to drop into thinning vessel again after remaining 50% latting drown dimethylbenzene cleaning reaction still wait turning, material stirring cools off more than the 10min in the thinning vessel, when treating that temperature is down to 100～130 ℃, use the filter bag of≤20 μ m specifications to filter.
2. soybean oil modified alkyd as claimed in claim 1, it is characterized in that, made by the raw material of following parts by weight: soybean oil 200, phenylformic acid 220, phthalic anhydride 240, tetramethylolmethane 140, TriMethylolPropane(TMP) 18, glycol ether 40, backflow dimethylbenzene 25, latting drown dimethylbenzene 270, lose lustre oxidation inhibitor 2.0 and catalyzer 0.15.
3. such as claim 1 or 2 described soybean oil modified alkyds, it is characterized in that, soybean oil in the above-mentioned raw materials, phenylformic acid, phthalic anhydride, tetramethylolmethane, TriMethylolPropane(TMP), glycol ether, dimethylbenzene, the agent oxidation inhibitor of losing lustre all adopt industrial raw material, the pure level of catalyzer Optimization Analysis reagent.
4. such as the arbitrary described soybean oil modified alkyd low temperature alcoholysis manufacture method of claim 1-3, it is characterized in that, comprise the steps:
(1), in empty reactor logical nitrogen 3～8min in advance, the flow of nitrogen is 2～5m
3/ h;
(2), successively drop into soybean oil, 15～20% tetramethylolmethanes, 10～15% glycol ethers of above-mentioned formulation weight umber, stir and heat up;
(3), stop to stir input catalyzer, continuation stirring intensification when being warming up to 110～130 ℃;
(4), being warming up to 215～225 ℃ of insulation alcoholysis reaction to still internal alcoholysis thing and dehydrated alcohol ratios is 1: 5～10 transparent rear coolings of mixed solution in the time of 25 ℃;
(5), when being cooled to 150～170 ℃, drop into phenylformic acid, phthalic anhydride, remaining tetramethylolmethane, TriMethylolPropane(TMP), remaining glycol ether in the stirring, lose lustre oxidation inhibitor and backflow dimethylbenzene, logical nitrogen 3～8min, nitrogen flow is 2～5m
3/ h, then heat temperature raising;
(6), be warming up to 160～180 ℃ of insulations and refluxed 1～2 hour, rear usefulness was warming up to 200～220 ℃ of insulations in 3～5 hours;
Cooling when (7), being incubated to acid number less than or equal to 18mgKOH/g, viscosity as " 18～28 "/25 ℃ Ge Shi pipe;
(8), open the nitrogen of thinning vessel, nitrogen flow is 3～9m
3/ h opens the water coolant of thinning vessel inner coil pipe, opens to be stirred in thinning vessel and to drop into first 50% latting drown dimethylbenzene;
Change the thinning vessel latting drown when (9), the question response temperature in the kettle is down to 160～180 ℃ over to, still is complete to drop into thinning vessel again after remaining 50% latting drown dimethylbenzene cleaning reaction still wait turning, material stirring cools off more than the 10min in the thinning vessel, when treating that temperature is down to 100～130 ℃, use the filter bag of≤20 μ m specifications to filter.
5. soybean oil modified alkyd low temperature alcoholysis manufacture method as claimed in claim 4 is characterized in that, comprises the steps:
(1), in empty reactor logical nitrogen 5～6min in advance, the flow of nitrogen is 3～4m
3/ h;
(2), successively drop into the soybean oil of above-mentioned formulation weight umber, the tetramethylolmethane of 15～20% above-mentioned formula ratios and the glycol ether of 10～15% above-mentioned formula ratios, stir and heat up;
(3), stop when being warming up to 120 ℃ stirring, drop into successively the catalyzer of above-mentioned formulation weight umber, continue to stir and heat up;
(4), be warming up to 220 ℃ the insulation alcoholysis reaction to still internal alcoholysis things be 1: 5～10 with the dehydrated alcohol ratio, mixed solution is transparent rear cooling in the time of 25 ℃;
When (5), being cooled to 160 ℃, drop into successively phenylformic acid, phthalic anhydride, remaining tetramethylolmethane, TriMethylolPropane(TMP), remaining glycol ether, lose lustre oxidation inhibitor and the backflow dimethylbenzene of above-mentioned formulation weight umber in the stirring, logical nitrogen 4～6min, nitrogen flow is 3～4m
3/ h, then heat temperature raising;
(6), be warming up to 170 ℃ of insulations and refluxed 1～2 hour, rear usefulness was warming up to 210 ℃ of insulations in 3～5 hours;
Cooling when (7), being incubated to acid number less than or equal to 18mgKOH/g, viscosity as " 18～28 "/25 ℃ Ge Shi pipe;
(8), open the nitrogen of thinning vessel, nitrogen flow is 4～8m
3/ h opens the water coolant of thinning vessel inner coil pipe, opens to be stirred in 50% the latting drown dimethylbenzene that thinning vessel drops into first above-mentioned formula ratio;
Change the thinning vessel latting drown when (9), the question response temperature in the kettle is down to 170 ℃ over to, still is complete to drop into thinning vessel again after remaining latting drown dimethylbenzene cleaning reaction still wait turning, more than the material stirring cooling 10min, when treating that temperature is down to 120 ℃, use the filter bag of≤20 μ m specifications to filter in the thinning vessel.
6. a two component dull finishing coat is characterized in that, is made by following parts by weight raw material:
The arbitrary described soybean oil modified alkyd 65～75 of claim 1-3,
Toluene 2～4,
Pimelinketone 2～4,
Wetting agent 0.2～0.4,
Anti-settling agent 0.2～0.4,
Mute powder 3～6,
N-BUTYL ACETATE 3～5,
Defoamer 0.2～0.4,
Flow agent 0.2～0.4,
Dimethylbenzene 10～13,
Vinyl acetic monomer 1～2;
The making method of a kind of pair of component dull finishing coat, it step that comprises is as follows:
(1), the raw soybeans oil-modified alkyd resin of above-mentioned parts by weight, toluene, pimelinketone, wetting agent and anti-settling agent are dropped into join in the lacquer cylinder and adopt dispersion machine to be uniformly dispersed;
(2), under agitation condition, the mute powder of raw material, N-BUTYL ACETATE, defoamer, flow agent and the dimethylbenzene that slowly add above-mentioned parts by weight, adopt dispersion machine fully to be dispersed to fineness≤30 micron, adopt again vinyl acetic monomer to transfer viscosity to 4000～6000mpa.s/25 ℃, leave standstill and deposit 10～20min, behind the dull finishing coat froth breaking, pack.
7. a kind of pair of component dull finishing coat as claimed in claim 6 is characterized in that, made by following parts by weight raw material:
, soybean oil modified alkyd 70, toluene 3, pimelinketone 3, wetting agent 0.3, anti-settling agent 0.3, mute powder 4, N-BUTYL ACETATE 4, defoamer 0.3, flow agent 0.3, dimethylbenzene 12, vinyl acetic monomer 1.5.
8. a kind of pair of component dull finishing coat as claimed in claim 6 is characterized in that, made by following parts by weight raw material:
Soybean oil modified alkyd 71, toluene 3, pimelinketone 3, wetting agent 0.3, anti-settling agent 0.3, mute powder 5, N-BUTYL ACETATE 4, defoamer 0.3, flow agent 0.3, dimethylbenzene 11, vinyl acetic monomer 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010175278 CN101845209B (en) | 2010-05-11 | 2010-05-11 | Soybean oil modified alkyd as well as preparation method and application thereof in coating |
Applications Claiming Priority (1)
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| CN102153737B (en) * | 2010-12-27 | 2013-01-23 | 嘉宝莉化工集团股份有限公司 | High hydroxy alkyd resin for polyurethane curing agent and preparation method thereof |
| CN102311542B (en) * | 2011-03-17 | 2013-10-30 | 三棵树涂料股份有限公司 | Quick-drying alkyd resin for double-component polyurethane primer |
| CN102321427B (en) * | 2011-07-28 | 2014-03-12 | 中华制漆（深圳）有限公司 | Solid color primer easy to sand through as well as preparation method and application thereof |
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| CN103232593A (en) * | 2013-04-11 | 2013-08-07 | 三棵树涂料股份有限公司 | A fast-drying alkyd resin used for wood lacquers, and a preparation method thereof |
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| CN103881075B (en) * | 2014-02-28 | 2015-10-14 | 成都杰晟蜀邦新材料科技有限公司 | A kind of modified alkyd resin |
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| CN108623391A (en) * | 2018-06-29 | 2018-10-09 | 湖南泰谷生态工程有限公司 | A kind of soybean oil modified alkyd film-coated controlled release fertilizer |
| CN112280460A (en) * | 2020-11-12 | 2021-01-29 | 湖州汇邦环保科技有限公司 | Contamination-free water-based industrial guardrail paint |
| CN114958233B (en) * | 2022-06-27 | 2023-12-05 | 深圳市皓阳安全技术有限公司 | Preparation method of scratch-resistant reflective film |
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