CN106279651A - A kind of alkyd resin and preparation method thereof - Google Patents
A kind of alkyd resin and preparation method thereof Download PDFInfo
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- CN106279651A CN106279651A CN201610745310.5A CN201610745310A CN106279651A CN 106279651 A CN106279651 A CN 106279651A CN 201610745310 A CN201610745310 A CN 201610745310A CN 106279651 A CN106279651 A CN 106279651A
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- alkyd resin
- acid
- stabilizer
- glycerol
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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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/46—Polyesters chemically modified by esterification
- C08G63/48—Polyesters chemically modified by esterification by unsaturated higher fatty oils or their acids; by resin acids
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- Oil, Petroleum & Natural Gas (AREA)
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- Polyesters Or Polycarbonates (AREA)
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Abstract
The invention provides a kind of alkyd resin and preparation method thereof.Wherein, by weight percentage, this alkyd resin includes following raw material: phthalic anhydride 19～26%;Benzoic acid 2.3～2.9%;Glycerol 16～20%;Behenic acid 28～32%;Hypophosphorous acid antioxidant 0.05～0.1%;Chain extender 0.05～0.1%;Stabilizer 0.05～0.1%;Retarder thinner 30～35%.By improving composition of raw materials, can have the phenolic acid resin of good serviceability in raw material preparations such as using the cheapest glycerol of price, and can also need not use No. 200 solvent naphthas to carry out latting drown as dilute solution, preparation cost is relatively low.It addition, the physics and chemistry of this alkyd resin and application performance are excellent, it is possible to work as with existing long oil phenolic acid resin-phase, it is possible to well substitute existing phenolic acid naval stores.
Description
Technical field
The present invention relates to resin making technique field, particularly relate to a kind of alkyd resin and preparation method thereof.
Background technology
Alkyd resin is the coating synthetic resin that a kind of purposes is extensively sent out, and can be used as priming paint, finish paint etc..General long oleyl alcohol
Acid resin synthesis alcohols used is mainly based on long-chain alcohols such as tetramethylolmethanes, and it produces raw materials and comes from oil more.
Owing to raw material is many from oil, alkyd resin is the biggest by oil price influence of fluctuations.Along with the rise of oil price, alcohol
The rise in price amplitude of the synthetic raw material of acid resin is relatively big, causes the cost of alkyd resin constantly to rise.Become for reducing raw material
This, the most general glycerol using price relatively low substitutes tetramethylolmethane and is used for producing alkyd resin.
The mode of the glycerol replacement Production of pentaerythritol alkyd resin that above-mentioned employing price is relatively low, although cost is had
The control of effect, but due to reasons such as material structures, the product of this type of alkyd resin also exists the deficiency of many in serviceability,
Such as, the paint dryness of making is poor, and hardness is low, and weatherability is poor, and climate impact is easily after-tacked, the storage phase is short.Further, since
The such short-chain alcohols of glycerol is raw material, and the molecular weight of esterification products cannot do height, need to be with higher No. 200 solvent naphthas of price
(i.e. rosin) carries out latting drown, and the cost causing this kind of method to generate alkyd resin yet suffers from certain pressure.
Therefore, prior art need development.
Summary of the invention
In place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of alkyd resin and preparation side thereof
Method, it is intended to solve the existing alkyd resin cost of raw material high, the problem that serviceability is the best.
In order to achieve the above object, this invention takes techniques below scheme:
A kind of alkyd resin, wherein, by weight percentage, including following raw material:
Phthalic anhydride 19～26%;
Benzoic acid 2.3～2.9%;
Glycerol 16～20%;
Behenic acid 28～32%;
Hypophosphorous acid antioxidant 0.05～0.1%;
Chain extender 0.05～0.1%;
Stabilizer 0.05～0.1%;
Retarder thinner 30～35%.
Described alkyd resin, wherein, described retarder thinner includes: dimethylbenzene, No. 200 solvent naphthas, toluene and acetic acid second
One or more of ester.
Described alkyd resin, wherein, by weight percentage, its raw material consists of:
Phthalic anhydride 21.5%；
Benzoic acid 2.5%；
Glycerol 18.3%；
Behenic acid 29.5%；
Hypophosphorous acid antioxidant 0.1%;
Dimethylbenzene 30%;
Chain extender 0.08%；
Stabilizer 0.1%.
Described alkyd resin, wherein, by weight percentage, its raw material consists of:
Phthalic anhydride 23%；
Benzoic acid 2.8%；
Glycerol 17%；
Behenic acid 29.2%；
Hypophosphorous acid antioxidant 0.06%;
Dilute solution 48%；
Chain extender 0.1%；
Stabilizer 0.1%；
Described dilute solution is made up of 30% dimethylbenzene and 18% toluene.
The preparation method of a kind of alkyd resin, wherein, comprises the steps:
Arbitrary for claim 1-4 described phthalic anhydride, benzoic acid, glycerol, behenic acid and hypophosphorous acid antioxidant are warming up to 210
DEG C-220 DEG C are esterified；
After the esterification products cooling generated, add dilute solution latting drown as above；
After being cooled to predetermined temperature, add chain extender as above insulation；
After insulation terminates, add stabilizer as above and stir.
The preparation method of described alkyd resin, it is characterised in that described in the middle addition as above institute generating esterification products
State described dilute solution latting drown, specifically include:
Be reduced to below 10mgKOH/g at described esterification products acid number, viscosity be 2000-5000cps/30 DEG C and cool down after, add
Enter described dilute solution latting drown.
The preparation method of described alkyd resin, wherein, described predetermined temperature is 110 DEG C.
The preparation method of described alkyd resin, wherein, after described insulation terminates, adds stabilizer as described above
Stir, specifically include:
Be incubated to the viscosity of esterification products be 15000-30000cps/30 DEG C time, add stabilizer as above and stir.
Beneficial effect: a kind of alkyd resin that the present invention provides and preparation method thereof, by improving composition of raw materials, Ke Yi
Use the raw material preparations such as the glycerol that price is the cheapest to have the phenolic acid resin of good serviceability, and can also need not make
Carrying out latting drown with No. 200 solvent naphthas as dilute solution, preparation cost is relatively low.It addition, the physics and chemistry of this alkyd resin and application
Can be excellent, it is possible to work as with existing long oil phenolic acid resin-phase, it is possible to well substitute existing phenolic acid naval stores.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the alkyd resin preparation method of the specific embodiment of the invention.
Detailed description of the invention
The present invention provides a kind of alkyd resin and preparation method thereof.For making the purpose of the present invention, technical scheme and effect more
Adding clear, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Should be appreciated that described herein
Specific embodiment only in order to explain the present invention, be not intended to limit the present invention.
A kind of alkyd resin that the embodiment of the present invention provides.Institute's alkyd resin by weight percentage, including following raw material:
Phthalic anhydride 19～26%;
Benzoic acid 2.3～2.9%;
Glycerol 16～20%;
Behenic acid 28～32%;
Hypophosphorous acid antioxidant 0.05～0.1%;
Chain extender 0.05～0.1%;
Stabilizer 0.05～0.1%;
Retarder thinner 30～35%.
In embodiments of the present invention, have employed the most cheap polyalcohols of glycerol (with use in prior art
Tetramethylolmethane is compared) tetramethylolmethane that substitutes long-chain generates, it is possible to well reduce raw-material cost.And, adding
After entering chain extender, additionally it is possible to do the molecular weight of high phenolic acid resin, promote the dilution-resistant of resin, can reduce for dilution molten
The requirement of agent.
By the formula proportion of above-mentioned raw material and add suitable stabilizer, chain extender etc., can make finally to be esterified
The suitable physicochemical property of the long oil alkyd resin that alkyd resin has with existing tetramethylolmethane generates generated and application performance.
Concrete, described retarder thinner includes: dimethylbenzene, No. 200 solvent naphthas, toluene and the one of ethyl acetate or many
Kind.
Described retarder thinner is that the solvent of dilution esterification afterproduct (i.e. resin), it can use any conjunction for latting drown
Suitable alkyd resin retarder thinner.It is also preferred that the left owing to the alkyd resin of embodiment of the present invention offer has preferable anti-dilution,
The retarder thinner using price the cheapest, such as dimethylbenzene etc. can be selected, further reduce raw-material cost.
As it is shown in figure 1, the preparation method of a kind of alkyd resin provided for the embodiment of the present invention.The method includes walking as follows
Rapid:
101: phthalic anhydride, benzoic acid, glycerol, behenic acid and hypophosphorous acid antioxidant are put into reaction vessel in said components ratio
In, add a small amount of reflux solution, be warming up to 210 DEG C-220 DEG C and be esterified.Described reaction vessel can be specifically any conjunction
Fit, it is possible to carry out the vessel of chemical reaction, such as conventional reactor etc. for raw material.
103: after esterification products (i.e. resin) cooling generated, add the dilute solution latting drown of aforementioned proportion.
In process of production, the specific physical and chemical parameter of the product by detection is needed to judge that esterification is the most fully entered
OK.In the present embodiment, when esterification products is as clear as crystal, acid number is reduced to below 10mgKOH/g, and viscosity is 2000-
When 5000cps/30 DEG C, it is judged that esterification is the most fully carried out, retarder thinner can be added and be diluted operation.
105: after being cooled to predetermined temperature, add the chain extender of aforementioned proportion and be incubated.
It is also preferred that the left described predetermined temperature is 110 DEG C, can preferably complete chain extension.
107: after insulation chain extension terminates, add the stabilizer of aforementioned proportion and stir, being prepared as described alkyd resin.
After having prepared, can carry out follow-up packaging, discharging etc. operates.
Concrete, can determine whether insulation chain extension completes by the viscosity of resin, in the present embodiment, when insulation is expanded
When resin viscosity after chain is 15000-30000cps/30 DEG C, represents that insulation is complete, stabilizer can be added and pack out
Material.
For phenolic acid resin that the embodiment of the present invention further elucidated above provides and preparation method thereof, it is provided that below embodiment:
Embodiment 1:
By weight percentage, by 21.5% phthalic anhydride, 2.5% benzoic acid, 18.3% glycerol, 29.5% behenic acid and 0.1%
Hypophosphorous acid antioxidant and a small amount of reflux solvent, put into reactor, be warming up to 210 DEG C～220 DEG C and be esterified.
Esterification until generate resin as clear as crystal, acid number at below 10mgKOH/g, viscosity be 2000～
After 5000cps/30 DEG C (after dilution), cool down and add by weight percentage, 30% xylene solvent latting drown.
Then, be cooled to 110 DEG C, add by weight percentage, 0.08% chain extender insulation to viscosity 15000～
30000cps/30℃。
Finally, add by weight percentage, after 0.1% stabilizer stirs, pack discharging.
Embodiment 2:
By weight percentage, by 23% phthalic anhydride, 2.8 % benzoic acid, 17% glycerol, 29.2 % behenic acids and 0.06% time
Phosphoric acid antioxidant and a small amount of reflux solvent, put into reactor, be warming up to 210 DEG C～220 DEG C and be esterified.
Esterification until generate resin as clear as crystal, acid number at below 10mgKOH/g, viscosity be 2000～
5000cps/30 DEG C (after dilution), cools down and adds by weight percentage, and 10% xylene solvent and 18% toluene solvant are converted
Dilute.
Then, be cooled to 110 DEG C, add by weight percentage, 0.1% chain extender insulation to viscosity be 15000～
30000cps/30℃。
Finally, add by weight percentage, after 0.1% stabilizer stirs, pack discharging.
As shown in table 1, for the embodiment of the present invention 1, the employing Ji Wusi that the alkyd resin of the 2-in-1 one-tenth of embodiment is sold with market
The alkyd resin (label: 389-9-70) of alcohol synthesis, uses the one-tenth of the alkyd resin (label: 6270) of No. 200 solvent naphtha latting drowns
This and physical and chemical index contrast.
Table 1:
According to the comparing result of table 1, the outward appearance of alkyd resin that the embodiment of the present invention provides, color and luster, acid number, solid containing and viscosity equal
Consistent with 389-9-70 and 6270, color is shallow compared with existing product.But the cost of material of the alkyd resin that the embodiment of the present invention provides
Cheap compared with existing product, as shown in table 1, embodiment 1 2-in-1 with embodiment become alkyd resin, it is possible to more existing 389-9-70
With cheap 1000～1500 yuan/ton of 6270 difference
As shown in table 2, for the embodiment of the present invention 1, the employing tetramethylolmethane that the alkyd resin of the 2-in-1 one-tenth of embodiment and market are sold closes
The alkyd resin (label: 389-9-70) become, uses the performance of the alkyd resin (label: 6270) of No. 200 solvent naphtha latting drowns to refer to
Mark contrast.
Table 2:
Comparing result according to table 2, it can be seen that the embodiment of the present invention provide the lacquering paint film dryness of alkyd resin, hardness,
The performance indications of salt spray resistance and adhesive force are superior to existing product 389-9-70 and 6270, remaining index also with existing product phase
When.
In sum, the alkyd resin low raw-material cost of the embodiment of the present invention, compared with existing product, have significantly
Price advantage (at least decline 1000 yuan/per ton more than).And serviceability is excellent, it is possible to reach existing behenic acid, Ji Wusi
The serviceability of long oil alkyd resin of alcohol type alcohol synthesis, even more than existing product in some performance indications, overcome with
The problem such as alkyd resin bad mechanical property, dilution-resistant is bad, dryness is poor, poor storage stability is prepared, it is possible to very well toward glycerol
Replacement existing product, it has a good application prospect.
It is understood that for those of ordinary skills, can according to technical scheme and this
Bright design in addition equivalent or change, and all these change or replace the guarantor that all should belong to appended claims of the invention
Protect scope.
Claims (8)
1. an alkyd resin, it is characterised in that by weight percentage, including following raw material:
Phthalic anhydride 19～26%;
Benzoic acid 2.3～2.9%;
Glycerol 16～20%;
Behenic acid 28～32%;
Hypophosphorous acid antioxidant 0.05～0.1%;
Chain extender 0.05～0.1%;
Stabilizer 0.05～0.1%;
Retarder thinner 30～35%.
Alkyd resin the most according to claim 1, it is characterised in that described retarder thinner includes: dimethylbenzene, No. 200 molten
Agent oil, toluene and ethyl acetate one or more.
Alkyd resin the most according to claim 1, it is characterised in that by weight percentage, its raw material consists of:
Phthalic anhydride 21.5%；
Benzoic acid 2.5%；
Glycerol 18.3%；
Behenic acid 29.5%；
Hypophosphorous acid antioxidant 0.1%;
Dimethylbenzene 30%;
Chain extender 0.08%；
Stabilizer 0.1%.
Alkyd resin the most according to claim 1, it is characterised in that by weight percentage, its raw material consists of:
Phthalic anhydride 23%；
Benzoic acid 2.8%；
Glycerol 17%；
Behenic acid 29.2%；
Hypophosphorous acid antioxidant 0.06%;
Dilute solution 48%；
Chain extender 0.1%；
Stabilizer 0.1%；
Described dilute solution is made up of 30% dimethylbenzene and 18% toluene.
5. the preparation method of an alkyd resin, it is characterised in that comprise the steps:
Arbitrary for claim 1-4 described phthalic anhydride, benzoic acid, glycerol, behenic acid and hypophosphorous acid antioxidant are warming up to 210
DEG C-220 DEG C are esterified；
After the esterification products cooling generated, add the arbitrary described dilute solution latting drown of claim 1-4；
After being cooled to predetermined temperature, add the arbitrary described chain extender insulation of claim 1-4；
After insulation terminates, add the arbitrary described stabilizer of claim 1-4 and stir.
The preparation method of alkyd resin the most according to claim 5, it is characterised in that described in generating esterification products
Add the arbitrary described dilute solution latting drown of claim 1-4, specifically include:
Be reduced to below 10mgKOH/g at described esterification products acid number, viscosity be 2000-5000cps/30 DEG C and cool down after, add
Enter described dilute solution latting drown.
The preparation method of alkyd resin the most according to claim 5, it is characterised in that described predetermined temperature is 110 DEG C.
The preparation method of alkyd resin the most according to claim 5, it is characterised in that after described insulation terminates, adds power
Profit requires that the arbitrary described stabilizer of 1-4 stirs, and specifically includes:
Be incubated to the viscosity of esterification products be 15000-30000cps/30 DEG C time, the stabilizer described in addition stirs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610745310.5A CN106279651B (en) | 2016-08-29 | 2016-08-29 | A kind of alkyd resin and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610745310.5A CN106279651B (en) | 2016-08-29 | 2016-08-29 | A kind of alkyd resin and preparation method thereof |
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| CN106279651A true CN106279651A (en) | 2017-01-04 |
| CN106279651B CN106279651B (en) | 2018-09-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109721715A (en) * | 2018-12-13 | 2019-05-07 | 南京长江涂料有限公司 | A kind of decompression technique is for alkyd resin and preparation method thereof |
| CN109880068A (en) * | 2018-04-09 | 2019-06-14 | 鹤山市肇能新材料有限公司 | A kind of self-catalysis alkyd resin and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231244A (en) * | 2013-06-09 | 2014-12-24 | 上海富臣化工有限公司 | Odor-free alkyd resin modified by two monoacids |
-
2016
- 2016-08-29 CN CN201610745310.5A patent/CN106279651B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231244A (en) * | 2013-06-09 | 2014-12-24 | 上海富臣化工有限公司 | Odor-free alkyd resin modified by two monoacids |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109880068A (en) * | 2018-04-09 | 2019-06-14 | 鹤山市肇能新材料有限公司 | A kind of self-catalysis alkyd resin and preparation method thereof |
| CN109880068B (en) * | 2018-04-09 | 2021-06-04 | 鹤山市肇能新材料有限公司 | Autocatalytic alkyd resin and preparation method thereof |
| CN109721715A (en) * | 2018-12-13 | 2019-05-07 | 南京长江涂料有限公司 | A kind of decompression technique is for alkyd resin and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106279651B (en) | 2018-09-18 |
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Address after: 512627 Guangdong city of Shaoguan province Wengyuan County town of Weng Weng city industrial transfer park Huacai chemical paint City Patentee after: GUANGDONG TONGDE NEW MATERIAL CO.,LTD. Address before: 512627 Wengcheng Industrial Transfer Park Huacai Chemical Coatings City, Wengyuan County, Shaoguan City, Guangdong Province Patentee before: GUANGDONG TONGDE NEW MATERIAL CO.,LTD. |
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Address after: 512000 Huacai chemical coating City, Wengcheng industrial transfer park, Wengyuan County, Shaoguan City, Guangdong Province Patentee after: Guangdong Di Aisheng Tongde Resin Co.,Ltd. Address before: 512627 Wengcheng Wengcheng industrial transfer park Huacai chemical coating City, Wengyuan County, Shaoguan City, Guangdong Province Patentee before: GUANGDONG TONGDE NEW MATERIAL CO.,LTD. |
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