CN115850669A - Preparation method of solvent-free alkyd resin - Google Patents
Preparation method of solvent-free alkyd resin Download PDFInfo
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- CN115850669A CN115850669A CN202211612862.0A CN202211612862A CN115850669A CN 115850669 A CN115850669 A CN 115850669A CN 202211612862 A CN202211612862 A CN 202211612862A CN 115850669 A CN115850669 A CN 115850669A
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- alkyd resin
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- 229920000180 alkyd Polymers 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 14
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- MUTGBJKUEZFXGO-OLQVQODUSA-N (3as,7ar)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical compound C1CCC[C@@H]2C(=O)OC(=O)[C@@H]21 MUTGBJKUEZFXGO-OLQVQODUSA-N 0.000 claims abstract description 7
- 238000006068 polycondensation reaction Methods 0.000 claims abstract description 7
- 150000004671 saturated fatty acids Chemical class 0.000 claims abstract description 7
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 claims abstract description 6
- 235000011037 adipic acid Nutrition 0.000 claims abstract description 6
- 239000001361 adipic acid Substances 0.000 claims abstract description 6
- 150000002148 esters Chemical class 0.000 claims abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 17
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 claims description 7
- 239000012974 tin catalyst Substances 0.000 claims description 7
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 6
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000005639 Lauric acid Substances 0.000 claims description 5
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 5
- 150000005846 sugar alcohols Polymers 0.000 claims description 5
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- -1 neodecanoic acid glycidyl ester Chemical class 0.000 claims description 4
- FZBIESPTFIVNEJ-UHFFFAOYSA-N oxiran-2-ylmethyl decanoate Chemical compound CCCCCCCCCC(=O)OCC1CO1 FZBIESPTFIVNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 235000019864 coconut oil Nutrition 0.000 claims description 3
- 239000003240 coconut oil Substances 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 150000007519 polyprotic acids Polymers 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 claims description 2
- OEOIWYCWCDBOPA-UHFFFAOYSA-N 6-methyl-heptanoic acid Chemical compound CC(C)CCCCC(O)=O OEOIWYCWCDBOPA-UHFFFAOYSA-N 0.000 claims description 2
- XZOYHFBNQHPJRQ-UHFFFAOYSA-N 7-methyloctanoic acid Chemical compound CC(C)CCCCCC(O)=O XZOYHFBNQHPJRQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005886 esterification reaction Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 2
- 229950000688 phenothiazine Drugs 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims description 2
- HWCKGOZZJDHMNC-UHFFFAOYSA-M tetraethylammonium bromide Chemical compound [Br-].CC[N+](CC)(CC)CC HWCKGOZZJDHMNC-UHFFFAOYSA-M 0.000 claims description 2
- 239000003973 paint Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- 238000004383 yellowing Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
The invention provides a preparation method of a solvent-free alkyd resin, which comprises the following steps of S1: according to weight percentage, 25 plus or minus 10 percent of polyatomic alcohol, saturated fatty acid, 30 plus or minus 10 percent of hexahydrophthalic anhydride or tetrahydrophthalic anhydride and 5 plus or minus 2 percent of adipic acid are taken as reaction raw materials, and 0.2 plus or minus 0.1 percent of ester catalyst is added to cause them to carry out polycondensation reaction, thereby obtaining the alkyd resin solvent with the acid value between 30 and 60; s2: the alkyd resin solvent obtained by the method is cooled, the alkyd resin prepared by the method is simple and safe in production process, does not contain solvent, and has solid content as high as 96 +/-2%, acid value not more than 12mgKOH/g, viscosity =3000 +/-1000mpa.s, and hydroxyl value =160 +/-20 mgKOH/g; meanwhile, the chemical properties of the used materials are stable, carbon-carbon double bonds and benzene rings are avoided, and the yellowing resistance is particularly outstanding; in addition, the alkyd resin has excellent physical properties, high hardness, high wear resistance, good chemical resistance, good leveling property, good filling property and the like. It can be widely applied to furniture paint, floor paint, and even outdoor plastic and metal paint, etc.
Description
Technical Field
The invention relates to the technical field of chemical material synthesis, in particular to a preparation method of solvent-free alkyd resin.
Background
Alkyd resins are backbone resins for paints, and are also special resins for paints with a wide range of basic properties. The raw materials are mostly multifunctional alcohol, polybasic acid and vegetable oil, so the raw materials are cheap and have wide sources, and many of the raw materials are renewable resources. Meanwhile, the alkyd resin coating has good comprehensive performance, high variety serialization and strong matching property, can be widely modified, and can develop functional coatings with different performances and purposes. However, it also has the following disadvantages: the mass ratio of non-volatile parts is low, and the viscosity is high; the time consumed for drying the surface and the inside is long, and dust is easy to adhere; the discharge capacity of volatile organic compounds is large, the odor is large during spraying, the environment is influenced, meanwhile, the harm is caused to the health of a user, and finally, the situation that a paint film on the surface of the paint film is easy to turn yellow due to aging is easy to happen in the long-time use process.
In order to reduce the emission of volatile organic compounds and reduce the impact of the coating on the environment and human body, solvent-free alkyd resins are the most desirable products at present. The solvent-free alkyd resin can realize low viscosity and high solid content, and the scheme introduces new glycidyl decanoate with higher branching degree, so that the alkyd resin is easier to dilute compared with the traditional alkyd resin, and the amount of the solvent in the coating is greatly reduced. Meanwhile, the alkyd resin is simple to prepare, low in cost, free of other special novel equipment and more beneficial to industrialization.
Disclosure of Invention
The embodiment of the invention provides a preparation method of a solvent-free alkyd resin, which solves the problems of low solid content, high viscosity and yellowing resistance of the alkyd resin in the prior art by using the solvent-free alkyd resin.
In view of the above problems, the technical solution proposed by the present invention is:
the preparation method of the solvent-free alkyd resin comprises the following steps of:
s1: according to the weight percentage, 25 plus or minus 10 percent of polyalcohol, 30 plus or minus 10 percent of saturated fatty acid, hexahydrophthalic anhydride or tetrahydrophthalic anhydride and 5 plus or minus 2 percent of adipic acid are taken as reaction raw materials, and 0.2 plus or minus 0.1 percent of ester catalyst is added to carry out polycondensation reaction, thereby obtaining the alkyd resin solvent with the acid value of 30-60;
s2: and cooling the alkyd resin solvent obtained by the method, sequentially adding 10 +/-5% of neodecanoic acid glycidyl ester, 0.4 +/-0.15% of catalyst and 0.4 +/-0.15% of polymerization inhibitor at a specific temperature, stirring until uniform discharging is carried out, and thus obtaining the solvent-free low-viscosity alkyd resin.
As a preferable technical scheme of the invention, the polyalcohol is a combination of several of methyl propylene glycol, neopentyl glycol, 1, 4-butanediol, 1, 6-hexanediol, trimethylolpropane, trimethylolethane, glycerol and pentaerythritol.
As a preferable technical scheme of the invention, the saturated fatty acid is one or a combination of more of lauric acid, stearic acid, coconut oil fatty acid, isooctanoic acid and isononanoic acid.
As a preferable technical scheme of the invention, the ester catalyst is an organic tin catalyst or n-butyl titanate.
As a preferable technical scheme of the invention, the catalyst is at least one of triphenylphosphine, tetraethylammonium bromide, tetrabutylammonium bromide and triethylamine.
As a preferable technical scheme of the invention, the polymerization inhibitor is at least one of hydroquinone, p-hydroxyanisole and phenothiazine.
As a preferred technical scheme of the invention, the reaction principle of the polycondensation reaction is as follows: the dehydration esterification reaction of polyhydric alcohol, saturated fatty acid and polybasic acid.
In another aspect, the present invention provides a method for preparing a solventless alkyd resin, comprising the steps of:
s1, preparing an alkyd resin solvent: adding 250kg of lauric acid, 120kg of methyl propylene glycol, 80kg of trimethylolpropane, 80kg of pentaerythritol, 180kg of hexahydrophthalic anhydride, 70kg of adipic acid and 3kg of organic tin catalyst into a reaction kettle, introducing nitrogen, heating the mixture to 210 ℃ at a constant speed, and performing polycondensation reaction on the raw materials to finally obtain an alkyd resin solvent with the acid value of 30-60;
s2, preparing the solvent-free alkyd resin: after the alkyd resin solvent is obtained, stopping inputting nitrogen, slowly adding 40KG of new glycidyl decanoate, 1KG of triphenylphosphine and 0.2KG of p-hydroxyanisole, reacting to a target acid value, finally cooling to below 90 ℃, filtering and packaging to obtain the light yellow transparent solvent-free alkyd resin
Compared with the prior art, the invention has the beneficial effects that:
1. the resin material obtained by the invention is alkyd resin with excellent yellowing resistance, and can ensure that a paint film has yellowing resistance which is difficult to be possessed by alkyd resin paint on the premise of having the same physical properties.
2. Compared with the traditional alkyd resin, the resin material has high branching degree, is not easy to entangle among molecules, has much lower viscosity than linear molecules with the same molecular weight, and can form a solution with high solid content and low viscosity.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In a first embodiment, this example discloses the preparation of a solventless alkyd resin CS-1
Adding lauric acid (250 KG), methyl propylene glycol (120 KG), trimethylolpropane (80 KG), pentaerythritol (80 KG), hexahydrophthalic anhydride (180 KG), adipic acid (70 KG) and an organic tin catalyst (3 KG) into a reaction kettle, introducing nitrogen, raising the temperature at a constant speed, raising the temperature to 210 ℃, lowering the temperature to 180 ℃ after reaching a target acid value, turning off the nitrogen, slowly adding neodecanoic acid glycidyl ester (40 KG), triphenylphosphine (1 KG) and p-hydroxyanisole (0.2 KG), reacting to the target acid value, lowering the temperature to below 90 ℃, filtering and packaging to obtain a light yellow transparent liquid.
Example two, this example discloses the preparation of a solventless alkyd resin CS-2
Adding coconut oil fatty acid (260 KG), 1, 6-hexanediol (150 KG), trimethylolpropane (60 KG), trimethylolethane (100 KG), tetrahydrophthalic anhydride (250 KG) and an organic tin catalyst (3 KG) into a reaction kettle, introducing nitrogen, raising the temperature at a constant speed, reacting to a target acid value, cooling to 180 ℃, slowly adding new decanoic acid glycidyl ester (42 KG), triphenylphosphine (1 KG) and p-hydroxyanisole (0.2 KG), reacting to the target acid value, cooling to 90 ℃, filtering and packaging to obtain a light yellow transparent liquid.
Example three, this example discloses the preparation of a solventless alkyd resin CS-3
Adding stearic acid (260 KG), 1, 4-butanediol (130 KG), trimethylolethane (70 KG), glycerol (100 KG), hexahydrophthalic anhydride (250 KG) and an organic tin catalyst (3 KG) into a reaction kettle, introducing nitrogen, raising the temperature at a constant speed, raising the temperature to 210 ℃, reacting to a target acid value, reducing the temperature to 180 ℃, turning off the nitrogen, slowly adding neodecanoic acid glycidyl ester (42 KG), triphenylphosphine (1 KG) and p-hydroxyanisole (0.2 KG), reacting to the target acid value, reducing the temperature to 90 ℃, filtering and packaging to obtain a light yellow transparent liquid.
The technical index table of the solvent-free alkyd resin finished product in the embodiment of the invention is as follows:
it will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The preparation method of the solvent-free alkyd resin is characterized by comprising the following steps of:
s1: according to weight percentage, 25 plus or minus 10 percent of polyatomic alcohol, saturated fatty acid, 30 plus or minus 10 percent of hexahydrophthalic anhydride or tetrahydrophthalic anhydride and 5 plus or minus 2 percent of adipic acid are taken as reaction raw materials, and 0.2 plus or minus 0.1 percent of ester catalyst is added to cause them to carry out polycondensation reaction, thereby obtaining the alkyd resin solvent with the acid value between 30 and 60;
s2: and cooling the alkyd resin solvent obtained by the method, sequentially adding 10 +/-5% of neodecanoic acid glycidyl ester, 0.4 +/-0.15% of catalyst and 0.4 +/-0.15% of polymerization inhibitor at a specific temperature, stirring until uniform discharging is carried out, and thus obtaining the solvent-free low-viscosity alkyd resin.
2. The method of claim 1, wherein the alkyd resin is prepared by: the polyalcohol is a combination of several of methyl propylene glycol, neopentyl glycol, 1, 4-butanediol, 1, 6-hexanediol, trimethylolpropane, trimethylolethane, glycerol and pentaerythritol.
3. The method of claim 1, wherein the alkyd resin is prepared by: the saturated fatty acid is one or a combination of more of lauric acid, stearic acid, coconut oil fatty acid, isooctanoic acid and isononanoic acid.
4. The method of claim 1, wherein the alkyd resin is prepared by: the ester catalyst is an organic tin catalyst or n-butyl titanate.
5. The method of claim 1, wherein the alkyd resin is prepared by: the catalyst is at least one of triphenylphosphine, tetraethylammonium bromide, tetrabutylammonium bromide and triethylamine.
6. The method of claim 1, wherein the alkyd resin is prepared by: the polymerization inhibitor is at least one of hydroquinone, p-hydroxyanisole and phenothiazine.
7. The method of claim 1, wherein the alkyd resin is prepared by: the reaction principle of the polycondensation reaction is as follows: the dehydration esterification reaction of polyhydric alcohol, saturated fatty acid and polybasic acid.
8. A method of preparing a solventless alkyd resin for use with a solventless alkyd resin according to any one of claims 1 to 7, comprising the steps of:
s1, preparing an alkyd resin solvent: adding 250kg of lauric acid, 120kg of methyl propylene glycol, 80kg of trimethylolpropane, 80kg of pentaerythritol, 180kg of hexahydrophthalic anhydride, 70kg of adipic acid and 3kg of organic tin catalyst into a reaction kettle, introducing nitrogen, heating the mixture to 210 ℃ at a constant speed, and performing polycondensation reaction on the raw materials to finally obtain an alkyd resin solvent with the acid value of 30-60;
s2, preparing the solvent-free alkyd resin: after the alkyd resin solvent is obtained, stopping inputting nitrogen, slowly adding 40KG of new glycidyl decanoate, 1KG of triphenylphosphine and 0.2KG of p-hydroxyanisole, reacting to a target acid value, finally cooling to below 90 ℃, filtering and packaging to obtain the light yellow transparent solvent-free alkyd resin.
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| CN202211612862.0A CN115850669A (en) | 2022-12-15 | 2022-12-15 | Preparation method of solvent-free alkyd resin |
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| CN202211612862.0A CN115850669A (en) | 2022-12-15 | 2022-12-15 | Preparation method of solvent-free alkyd resin |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254861A (en) * | 2015-10-21 | 2016-01-20 | 三棵树涂料股份有限公司 | Alkyd resin for high-solid low-viscosity PU (polyurethane) gloss topcoat and preparation method of alkyd resin |
| CN107828053A (en) * | 2017-09-30 | 2018-03-23 | 合众（佛山）化工有限公司 | A kind of net taste alkyd resin of high-solid lower-viscosity and preparation method thereof |
| CN108395524A (en) * | 2018-02-01 | 2018-08-14 | 新纶科技（常州）有限公司 | A kind of saturated fatty acid alkyd resin intermediate and its synthetic method |
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2022
- 2022-12-15 CN CN202211612862.0A patent/CN115850669A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254861A (en) * | 2015-10-21 | 2016-01-20 | 三棵树涂料股份有限公司 | Alkyd resin for high-solid low-viscosity PU (polyurethane) gloss topcoat and preparation method of alkyd resin |
| CN107828053A (en) * | 2017-09-30 | 2018-03-23 | 合众（佛山）化工有限公司 | A kind of net taste alkyd resin of high-solid lower-viscosity and preparation method thereof |
| CN108395524A (en) * | 2018-02-01 | 2018-08-14 | 新纶科技（常州）有限公司 | A kind of saturated fatty acid alkyd resin intermediate and its synthetic method |
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