CN104497288A - Alkyd resin and preparation method thereof - Google Patents
Alkyd resin and preparation method thereof Download PDFInfo
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- CN104497288A CN104497288A CN201510003303.3A CN201510003303A CN104497288A CN 104497288 A CN104497288 A CN 104497288A CN 201510003303 A CN201510003303 A CN 201510003303A CN 104497288 A CN104497288 A CN 104497288A
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Abstract
The invention discloses alkyd resin prepared from the following raw materials in parts by weight: 352-368 parts of fatty acid, 186-200 parts of rosin, 20-26 parts of maleic anhydride, 0.2-0.3 part of yellow lead, 212-239 parts of waste polyester, 48-58 parts of polyalcohol and 780-800 parts of a solvent. The invention also discloses a preparation method of the alkyd resin. The alkyd resin for air drying paint is synthesized by depolymerizing cheap industrial waste polyester and replacing phthalic anhydride, polyalcohol and other raw materials with a depolymerized product, so that wastes are recycled, and a novel scientific method is created for developing and utilizing industrial wastes, saving energy, reducing emission and protecting the environment. By using the alkyd resin disclosed by the invention, the drying efficiency of alkyd resin paint is increased, and the antirust, anticorrosive and weather-resistant properties of the alkyd resin paint are improved.
Description
Technical field
The present invention relates to painting technical field, particularly relate to a kind of Synolac for the manufacture of paint and preparation method thereof.
Background technology
The existing air-drying varnish being used for manufacturing alkyd series Synolac used is generally synthesized under certain processing condition by semi-drying or dry vegetable oil or lipid acid prepared therefrom and glycerine, tetramethylolmethane, phthalic anhydride, 200# solvent wet goods component.After preparing Synolac, then add various color stuffing, auxiliary agent, solvent wet goods composition, allotment obtains various different alcohol acids paint.This kind of alcohol acids paint Problems existing is: paint film dryness is slow, temperature be 23 ± 2 DEG C, under humidity is the condition of 50 ± 5%, surface drying≤8h, does solid work≤24h, and long construction period, efficiency are low.
Summary of the invention
For overcoming problems of the prior art, the present invention aims to provide a kind of Synolac and preparation method thereof.
On the one hand, the invention provides a kind of Synolac, be made up of the raw material of following weight proportion:
Alternatively, according to Synolac of the present invention, described lipid acid is one or more in soya fatty acid, cottonseed oil fatty acid, sunflower seed oil fatty acids, linseed oil fatty acid.
Alternatively, according to Synolac of the present invention, described polyvalent alcohol is tetramethylolmethane and/or glycerine.
Alternatively, according to Synolac of the present invention, described polyvalent alcohol is the mixture of at least one in ethylene glycol, glycol ether and tetramethylolmethane.
Alternatively, according to Synolac of the present invention, described polyvalent alcohol is the mixture of at least one in ethylene glycol, glycol ether and tetramethylolmethane and glycerine.
Alternatively, Synolac of the present invention, described solvent is 200# solvent oil.
On the other hand, the invention provides a kind of preparation method of Synolac, comprise the steps:
Step 1: under normal temperature, the lipid acid of 352-368 weight part is joined in reactor, 120-160 DEG C is warming up under stirring, add the rosin of 186-200 weight part, the cis-butenedioic anhydride of 20-26 weight part and the yellow lead of 0.2-0.3 weight part again, be warming up to 180-230 DEG C and be incubated 60-90 minute;
Step 2: the waster terylene adding 212-239 weight part at 180-230 DEG C, is warming up to 270-280 DEG C and is incubated 60-90 minute, makes waster terylene complete depolymerization;
Step 3: be cooled to 230-255 DEG C, adds the polyvalent alcohol of 48-58 weight part, then is warming up to 240-265 DEG C and is incubated 60-90 minute;
Step 4: be warming up to 260-270 DEG C and after being incubated 90 minutes, getting material in reactor and carry out acid value determination, until acid value is at below 10mgKOH/g; And then get material in reactor and carry out viscosimetric analysis, until when viscosity reaches 160-200s, terminate insulation.
Alternatively, preparation in accordance with the present invention, described preparation method comprises step 5 further: reactor is cooled to 180 DEG C, and the solvent adding 780-800 weight part in reactor carries out latting drown, then filters.
The present invention utilizes cheap Industry Waste terylene, depolymerization is carried out to it, the product of depolymerization is utilized to replace the raw material such as phthalic anhydride and polyvalent alcohol, the Synolac of synthesis air-drying varnish, achieve the recycling of refuse, for developing industrial waste, energy-saving and emission-reduction, environmental protection create the method for new science.Synolac of the present invention, improves the drying efficiency of alkyd paint and antirust, protection against corrosion weathering resistance performance.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of Synolac preparation method of the present invention.
Embodiment
The invention provides many applicable creative concepts, this creative concept can be reflected in a large number of in concrete context.The specific embodiment described in following embodiments of the present invention only as the exemplary illustration of the specific embodiment of the present invention, and does not form limitation of the scope of the invention.
Below in conjunction with accompanying drawing and concrete embodiment, the invention will be further described.
On the one hand, the invention provides a kind of Synolac, be made up of the raw material of following weight proportion:
Wherein, in Synolac of the present invention, one or more sources as lipid acid in the vegetable fatty acids such as such as soya fatty acid, cottonseed oil fatty acid, sunflower seed oil fatty acids, linseed oil fatty acid can be selected.
The polyvalent alcohol used in the present invention can be trivalent alcohol and/or tetravalent alcohol, such as tetramethylolmethane, glycerine or both mixtures; It can also be the mixture of dibasic alcohol and tetravalent alcohol, or the mixture of dibasic alcohol and trivalent alcohol and tetravalent alcohol, can be such as the mixture being selected from least one in ethylene glycol, glycol ether and tetramethylolmethane, or at least one be selected from ethylene glycol, glycol ether and tetramethylolmethane and glycerine carry out the mixture that is mixed to get.Namely, there is the mixing of following several situation: ethylene glycol mixes with tetramethylolmethane, glycol ether mixes with tetramethylolmethane, ethylene glycol, tetramethylolmethane mix with glycerine, glycol ether, tetramethylolmethane mix with glycerine, ethylene glycol, glycol ether mix with tetramethylolmethane, and ethylene glycol, glycol ether, tetramethylolmethane mix with glycerine.
The solvent used in the present invention is 200# solvent oil.
On the other hand, the invention provides the preparation method of above-mentioned Synolac, Fig. 1 shows the schematic flow sheet of Synolac preparation method of the present invention.As shown in Figure 1, this preparation method comprises the steps:
Step 1: under normal temperature, the lipid acid of 352-368 weight part is joined in reactor, 120-160 DEG C is warming up under stirring, add the rosin of 186-200 weight part, the cis-butenedioic anhydride of 20-26 weight part and the yellow lead of 0.2-0.3 weight part again, be warming up to 180-230 DEG C and be incubated 60-90 minute;
Step 2: the waster terylene adding 212-239 weight part at 180-230 DEG C, is warming up to 270-280 DEG C and is incubated 60-90 minute, makes waster terylene complete depolymerization;
Step 3: be cooled to 230-255 DEG C, adds the polyvalent alcohol of 48-58 weight part, then is warming up to 240-265 DEG C and is incubated 60-90 minute;
Step 4: be warming up to 260-270 DEG C and after being incubated 90 minutes, getting material in reactor and carry out acid value determination, until acid value is at below 10mgKOH/g; And then get material in reactor and carry out viscosimetric analysis, until when viscosity reaches 160-200s, terminate insulation.
Wherein, in step 2 above, waster terylene is at high temperature degraded into the available organic monomer of synthetic alkyd resin and oligopolymer, utilize the product of depolymerization can replace the raw material such as phthalic anhydride and polyvalent alcohol, not only achieve the recycling of waster terylene, also reduce the raw materials cost produced needed for Synolac.Described waster terylene can come from the terylene waste material in textile industry, or the waste of the terylene goods such as such as mineral water bottle.In this step, the depolymerization of waster terylene within general 60-90 minute, can be completed, whether the material can got in reactor thoroughly completes to detect depolymerization, concrete operations are: mixed with the ratio of 1:1 with 200# solvent oil by the extract in reactor, the transparency of mixture is observed at 25 DEG C, if mixture is transparent, wherein there is no filament, then show that waster terylene depolymerization completes.
In described step 4, KOH solution volumetry is adopted to carry out the mensuration of acid value.That is, the material got in reactor mixes with the ratio of 1:1 with 200# solvent oil, then carries out titration with KOH solution, measures acid value.Because the measuring method adopted is prior art, detailed determination step does not repeat at this.
In described step 4, adopt painting 4 viscometer to carry out viscosimetric analysis to the material in reactor at 25 DEG C, when reaching target viscosities, then resins synthesis reaches terminal.Except being coated with 4 viscometers, form pipe can also being adopted to carry out viscosimetric analysis, the material in reactor is mixed with the ratio of 1:1 with 200# solvent oil, at 25 DEG C, measure viscosity when reaching 8-9s, also indicate that resins synthesis reaches terminal.
Further, preparation method of the present invention also comprises step 5, latting drown process is carried out by synthesizing the Synolac obtained, concrete operations are: reactor is cooled to 180 DEG C, the solvent adding 780-800 weight part in reactor carries out latting drown, then filter, obtain the latting drown Synolac that solid content is 55-60%.Solvent is herein 200# solvent oil.Through this latting drown process, the Synolac prepared more easily is preserved and follow-up use.
The Synolac proposed according to the present invention and the optional element of Synolac preparation method more, various embodiments can be designed, therefore specific embodiment is only as the exemplary illustration of specific implementation of the present invention, and does not form limitation of the scope of the invention.In order to concrete description the present invention, following examples are selected to carry out exemplary illustration.
Embodiment 1
The raw material weight proportioning of the present embodiment Synolac is: soya fatty acid 352 parts, rosin 186 parts, cis-butenedioic anhydride 20 parts, 0.2 part, yellow lead, waster terylene 212 parts, tetramethylolmethane 48 parts, 200# solvent oil 780 parts.
The preparation method of the present embodiment Synolac is:
Step 1: join in reactor by soya fatty acid under normal temperature, is warming up to 120 DEG C under stirring, then adds rosin, cis-butenedioic anhydride and yellow lead, is warming up to 230 DEG C and is incubated 60 minutes;
Step 2: add waster terylene at 230 DEG C, is warming up to 270 DEG C and is incubated 90 minutes, making waster terylene complete depolymerization;
Step 3: be cooled to 230 DEG C, add tetramethylolmethane, then be warming up to 240 DEG C and be incubated 60 minutes;
Step 4: be warming up to 260 DEG C and after being incubated 90 minutes, getting material in reactor and carry out acid value determination, until acid value is at below 10mgKOH/g; And then get material in reactor and carry out viscosimetric analysis, until when viscosity reaches 160-200s, terminate insulation;
Step 5: reactor is cooled to 180 DEG C, adds 200# solvent oil and carries out latting drown, then filter in reactor, obtains the latting drown Synolac that solid content is 55%.
Embodiment 2
The raw material weight proportioning of the present embodiment Synolac is: soya fatty acid 352 parts, rosin 195 parts, cis-butenedioic anhydride 23 parts, 0.2 part, yellow lead, waster terylene 225 parts, tetramethylolmethane 52 parts, 200# solvent oil 790 parts.
The preparation method of the present embodiment Synolac is identical with embodiment 1.
Embodiment 3
The raw material weight proportioning of the present embodiment Synolac is: soya fatty acid 352 parts, rosin 200 parts, cis-butenedioic anhydride 26 parts, 0.3 part, yellow lead, waster terylene 239 parts, tetramethylolmethane 58 parts, 200# solvent oil 800 parts.
The preparation method of the present embodiment Synolac is identical with embodiment 1.
Embodiment 4
The raw material weight proportioning of the present embodiment Synolac is: sunflower seed oil fatty acids 368 parts, rosin 186 parts, cis-butenedioic anhydride 20 parts, 0.2 part, yellow lead, waster terylene 212 parts, glycerine 48 parts, 200# solvent oil 780 parts.
The preparation method of the present embodiment Synolac is:
Step 1: join in reactor by sunflower seed oil fatty acids under normal temperature, is warming up to 160 DEG C under stirring, then adds rosin, cis-butenedioic anhydride and yellow lead, is warming up to 180 DEG C and is incubated 90 minutes;
Step 2: add waster terylene at 180 DEG C, is warming up to 280 DEG C and is incubated 60 minutes, making waster terylene complete depolymerization;
Step 3: be cooled to 255 DEG C, add glycerine, then be warming up to 265 DEG C and be incubated 90 minutes;
Step 4: be warming up to 270 DEG C and after being incubated 90 minutes, getting material in reactor and carry out acid value determination, until acid value is at below 10mgKOH/g; And then get material in reactor and carry out viscosimetric analysis, until when viscosity reaches 160-200s, terminate insulation;
Step 5: reactor is cooled to 180 DEG C, adds 200# solvent oil and carries out latting drown, then filter in reactor, obtains the latting drown Synolac that solid content is 56%.
Embodiment 5
The raw material weight proportioning of the present embodiment Synolac is: sunflower seed oil fatty acids 368 parts, rosin 195 parts, cis-butenedioic anhydride 23 parts, 0.3 part, yellow lead, waster terylene 225 parts, glycerine 52 parts, 200# solvent oil 790 parts.
The preparation method of the present embodiment Synolac is identical with embodiment 4.
Embodiment 6
The raw material weight proportioning of the present embodiment Synolac is: sunflower seed oil fatty acids 368 parts, rosin 200 parts, cis-butenedioic anhydride 26 parts, 0.3 part, yellow lead, waster terylene 239 parts, glycerine 58 parts, 200# solvent oil 800 parts.
The preparation method of the present embodiment Synolac is identical with embodiment 4.
Embodiment 7
The raw material weight proportioning of the present embodiment Synolac is: cottonseed oil fatty acid 360 parts, rosin 186 parts, cis-butenedioic anhydride 20 parts, 0.2 part, yellow lead, waster terylene 212 parts, 48 parts, the mixture of ethylene glycol and tetramethylolmethane, 200# solvent oil 780 parts.
The preparation method of the present embodiment Synolac is:
Step 1: join in reactor by cottonseed oil fatty acid under normal temperature, is warming up to 140 DEG C under stirring, then adds rosin, cis-butenedioic anhydride and yellow lead, is warming up to 200 DEG C and is incubated 80 minutes;
Step 2: add waster terylene at 200 DEG C, is warming up to 280 DEG C and is incubated 80 minutes, making waster terylene complete depolymerization;
Step 3: be cooled to 240 DEG C, adds the mixture of ethylene glycol and tetramethylolmethane, then is warming up to 250 DEG C and is incubated 80 minutes;
Step 4: be warming up to 270 DEG C and after being incubated 90 minutes, getting material in reactor and carry out acid value determination, until acid value is at below 10mgKOH/g; And then get material in reactor and carry out viscosimetric analysis, until when viscosity reaches 160-200s, terminate insulation;
Step 5: reactor is cooled to 180 DEG C, adds 200# solvent oil and carries out latting drown, then filter in reactor, obtains the latting drown Synolac that solid content is 58%.
Embodiment 8
The raw material weight proportioning of the present embodiment Synolac is: cottonseed oil fatty acid 360 parts, rosin 195 parts, cis-butenedioic anhydride 23 parts, 0.3 part, yellow lead, waster terylene 225 parts, 52 parts, the mixture of ethylene glycol and tetramethylolmethane, 200# solvent oil 790 parts.
The preparation method of the present embodiment Synolac is identical with embodiment 7.
Embodiment 9
The raw material weight proportioning of the present embodiment Synolac is: cottonseed oil fatty acid 360 parts, rosin 200 parts, cis-butenedioic anhydride 26 parts, 0.3 part, yellow lead, waster terylene 239 parts, 58 parts, the mixture of ethylene glycol and tetramethylolmethane, 200# solvent oil 800 parts.
The preparation method of the present embodiment Synolac is identical with embodiment 7.
The Synolac adopting the present invention to prepare can make ready mixed paint and rust-inhibiting paint, improve paint protection against corrosion, weather resistance, extend the work-ing life of paint, obtained painting all decreases with the time of doing solid work than the surface drying time of existing similar paint, substantially increases operating efficiency.In order to above-mentioned technique effect is described better, the Synolac that the present invention obtains by the applicant makes Alkyd resin antirust paint according to following weight proportion:
According to GB GB/T 25251-2010 phthalic resin coating technological standard, time of drying of the Alkyd resin antirust paint that said ratio prepares, cross cut test, resistance to salt water and water tolerance index are detected, specific targets and measured value as shown in table 1 below.
Table 1
Detect data as can be seen from table 1, the surface drying time of Alkyd resin antirust paint of the present invention comparatively Standard wants fast 2-3h, and time of doing solid work fast 16-18h, substantially increases operating efficiency.
It should be noted, the present invention will be described instead of limit the invention for above-described embodiment, and those skilled in the art can design alternative embodiment when not departing from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.Word first, second and third-class use do not represent any order, can be title by these word explanations.
Claims (8)
1. a Synolac, be made up of the raw material of following weight proportion:
2. Synolac according to claim 1, wherein, described lipid acid is one or more in soya fatty acid, cottonseed oil fatty acid, sunflower seed oil fatty acids, linseed oil fatty acid.
3. Synolac according to claim 1, wherein, described polyvalent alcohol is tetramethylolmethane and/or glycerine.
4. Synolac according to claim 1, wherein, described polyvalent alcohol is the mixture of at least one in ethylene glycol, glycol ether and tetramethylolmethane.
5. Synolac according to claim 1, wherein, described polyvalent alcohol is the mixture of at least one in ethylene glycol, glycol ether and tetramethylolmethane and glycerine.
6. the Synolac according to any one of claim 1-5, wherein, described solvent is 200# solvent oil.
7. the preparation method of the Synolac described in any one of claim 1-6, comprises the steps:
Step 1: under normal temperature, the lipid acid of 352-368 weight part is joined in reactor, 120-160 DEG C is warming up under stirring, add the rosin of 186-200 weight part, the cis-butenedioic anhydride of 20-26 weight part and the yellow lead of 0.2-0.3 weight part again, be warming up to 180-230 DEG C and be incubated 60-90 minute;
Step 2: the waster terylene adding 212-239 weight part at 180-230 DEG C, is warming up to 270-280 DEG C and is incubated 60-90 minute, makes waster terylene complete depolymerization;
Step 3: be cooled to 230-255 DEG C, adds the polyvalent alcohol of 48-58 weight part, then is warming up to 240-265 DEG C and is incubated 60-90 minute;
Step 4: be warming up to 260-270 DEG C and after being incubated 90 minutes, getting material in reactor and carry out acid value determination, until acid value is at below 10mgKOH/g; And then get material in reactor and carry out viscosimetric analysis, until when viscosity reaches 160-200s, terminate insulation.
8. preparation method according to claim 7, wherein, described preparation method comprises step 5 further: reactor is cooled to 180 DEG C, and the solvent adding 780-800 weight part in reactor carries out latting drown, then filters.
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| CN201510003303.3A CN104497288A (en) | 2015-01-05 | 2015-01-05 | Alkyd resin and preparation method thereof |
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| CN201510003303.3A CN104497288A (en) | 2015-01-05 | 2015-01-05 | Alkyd resin and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105567055A (en) * | 2015-11-09 | 2016-05-11 | 南通蛇类治疗研究所 | Functional environment-friendly paint produced by waste polyester plastic |
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| CN1090294A (en) * | 1993-10-18 | 1994-08-03 | 柳培溪 | A kind of manufacture method of terylene alkyd resin against weathering and ageing for paint |
| CN101955721A (en) * | 2010-09-17 | 2011-01-26 | 天津灯塔涂料工业发展有限公司 | Quick-dry type acrylic modified alkyd paint and preparation method thereof |
| CN103694461A (en) * | 2013-12-02 | 2014-04-02 | 安庆菱湖涂料有限公司 | Method for producing alkyd resin for coating from waste polyester blocks |
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2015
- 2015-01-05 CN CN201510003303.3A patent/CN104497288A/en active Pending
Patent Citations (3)
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| CN1090294A (en) * | 1993-10-18 | 1994-08-03 | 柳培溪 | A kind of manufacture method of terylene alkyd resin against weathering and ageing for paint |
| CN101955721A (en) * | 2010-09-17 | 2011-01-26 | 天津灯塔涂料工业发展有限公司 | Quick-dry type acrylic modified alkyd paint and preparation method thereof |
| CN103694461A (en) * | 2013-12-02 | 2014-04-02 | 安庆菱湖涂料有限公司 | Method for producing alkyd resin for coating from waste polyester blocks |
Non-Patent Citations (2)
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| CN105567055A (en) * | 2015-11-09 | 2016-05-11 | 南通蛇类治疗研究所 | Functional environment-friendly paint produced by waste polyester plastic |
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