CN105175695A - Synthetic method of alkyd resin - Google Patents
Synthetic method of alkyd resin Download PDFInfo
- Publication number
- CN105175695A CN105175695A CN201510562070.0A CN201510562070A CN105175695A CN 105175695 A CN105175695 A CN 105175695A CN 201510562070 A CN201510562070 A CN 201510562070A CN 105175695 A CN105175695 A CN 105175695A
- Authority
- CN
- China
- Prior art keywords
- minutes
- synthetic method
- synolac
- alkyd resin
- reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
The invention discloses a synthetic method of alkyd resin. The synthetic method is characterized by comprising the following steps of adding polyhydric alcohol and polyatomic acid into a reaction still, uniformly mixing, adding palm oil, heating up to 100 to 120 DEG C, performing heat preservation for 10 to 20 minutes, pumping in nitrogen, continuously heating up to 130 to 150 DEG C, and performing heat preservation for 10 to 20 minutes; adding methylbenzene, introducing microwave, reacting for 20 to 30 minutes, and stopping reacting when the viscosity of a reaction product reaches 1.5 to 3 Pa.s and the acid value is less than 15mgKOH/g. According to the synthetic method of the alkyd resin, provided by the invention, microwave introduced during an esterification reaction process, the temperature and pressure of the reaction are greatly decreased, the reaction time is shortened, and the obtained alkyd resin is impact resistant, glossy and strong in adhesion.
Description
Technical field
The present invention relates to polymer resin technology field, especially a kind of synthetic method of Synolac.
Background technology
Synolac is the macromolecular compound by polyfunctional alcohol, polyprotonic acid and vegetables oil or vegetable oil acid polycondensation esterification, the different amts of double bond in different types of vegetables oil or fatty acid molecule, can be divided into dryness, dry and semi-drying Synolac thus.The performance of Synolac is relevant with the kind of oil, with size and the structure difference of molecular weight, performance is also variant, Synolac is mainly used in paint, coating, be widely used in metal protection, furniture, vehicle, building etc., also can be used as the insulation layer of enameled wire, make ink and be widely used in Printing industry, in addition also for the manufacture of moulded plastics.Synolac is the main film forming substance of traditional ready mixed paint, enamel paint etc., there is good, bright, the plentiful and features such as easy construction of good weatherability, sticking power, the dry or drying enamel paint of multiple different performance, priming paint, finish paint and varnish can be made into other resins, be widely used in the application such as the buildingss such as bridge and vehicle, boats and ships, aircraft, instrument, machinery.
In order to reduce costs, most of alkyd resin production technique adopts PTA dead meal to replace Tetra hydro Phthalic anhydride and conventional polyol to react and produces Synolac, but, because PTA fusing point is higher, react slower, when carrying out polycondensation, need higher temperature of reaction, and the problem that the production cycle is long.
Summary of the invention
The object of this invention is to provide a kind of synthetic method of Synolac, the synthetic method of this Synolac can solve the problem of alkyd resin production cycle length.
In order to solve the problem, the technical solution used in the present invention is:
The synthetic method of Synolac of the present invention comprises the following steps;
A, polyvalent alcohol and polyprotonic acid are added in reactor, mix, add plam oil, be warming up to 100 DEG C ~ 120 DEG C, be incubated 10 minutes ~ 20 minutes;
B, in reactor, pass into nitrogen, continue to be warming up to 130 DEG C ~ 150 DEG C, be incubated 10 minutes ~ 20 minutes;
C, in reactor, add toluene, mix, then pass into microwave, react 20 minutes ~ 30 minutes, the viscosity of question response product is 1.5 ~ 3 pascal seconds, and when acid number is less than 15mgKOH/g, stopped reaction.
In technique scheme, scheme can also be more specifically: described polyvalent alcohol is glycerine, tetramethylolmethane, one or more in sorbyl alcohol.
Further, described polyprotonic acid is citric acid.
Further, described micro-wave frequency is 2000 megahertz ~ 2500 megahertzes, and microwave power is 500 watts ~ 1000 watts.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect:
The synthetic method of Synolac of the present invention passes into microwave in esterification reaction process, greatly reduces the temperature and pressure of reaction, shortens the reaction times, and gained Synolac is shock-resistant, glossy, strong adhesion.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
The synthetic method of the present embodiment Synolac comprises the following steps:
A, glycerine and citric acid are added in reactor, mix, add plam oil, be warming up to 100 DEG C, be incubated 20 minutes;
B, in reactor, pass into nitrogen, continue to be warming up to 140 DEG C, be incubated 15 minutes;
C, in reactor, add toluene, mix, then pass into microwave, microwave frequency is 2000 megahertzes, and microwave power is 500 watts, and react 30 minutes, the viscosity of question response product is 1.5 pascal seconds, and when acid number is less than 14.7mgKOH/g, stopped reaction.
Embodiment 2
The synthetic method of the present embodiment Synolac comprises the following steps:
A, sorbyl alcohol and citric acid are added in reactor, mix, add plam oil, be warming up to 110 DEG C, be incubated 15 minutes;
B, in reactor, pass into nitrogen, continue to be warming up to 150 DEG C, be incubated 10 minutes;
C, in reactor, add toluene, mix, then pass into microwave, microwave frequency is 2300 megahertzes, and microwave power is 750 watts, reacts 25 minutes, and the viscosity of question response product is 2 pascal seconds, and when acid number is 13.8mgKOH/g, stopped reaction.
Embodiment 3
The synthetic method of the present embodiment Synolac comprises the following steps:
A, tetramethylolmethane and citric acid are added in reactor, mix, add plam oil, be warming up to 120 DEG C, be incubated 10 minutes;
B, in reactor, pass into nitrogen, continue to be warming up to 130 DEG C, be incubated 120 minutes;
C, in reactor, add toluene, mix, then pass into microwave, microwave frequency is 2500 megahertzes, and microwave power is 1000 watts, reacts 20 minutes, and the viscosity of question response product is 3 pascal seconds, and when acid number is 14.5mgKOH/g, stopped reaction.
Claims (4)
1. a synthetic method for Synolac, is characterized in that comprising the following steps:
A, polyvalent alcohol and polyprotonic acid are added in reactor, mix, add plam oil, be warming up to 100 DEG C ~ 120 DEG C, be incubated 10 minutes ~ 20 minutes;
B, in reactor, pass into nitrogen, continue to be warming up to 130 DEG C ~ 150 DEG C, be incubated 10 minutes ~ 20 minutes;
C, in reactor, add toluene, mix, then pass into microwave, react 20 minutes ~ 30 minutes, the viscosity of question response product is 1.5 ~ 3 pascal seconds, and when acid number is less than 15mgKOH/g, stopped reaction.
2. the synthetic method of Synolac according to claim 1, is characterized in that described polyvalent alcohol is glycerine, tetramethylolmethane, one or more in sorbyl alcohol.
3. the synthetic method of Synolac according to claim 1, is characterized in that described polyprotonic acid is citric acid.
4. the synthetic method of Synolac according to claim 1, it is characterized in that described micro-wave frequency is 2000 megahertz ~ 2500 megahertzes, microwave power is 500 watts ~ 1000 watts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510562070.0A CN105175695A (en) | 2015-09-07 | 2015-09-07 | Synthetic method of alkyd resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510562070.0A CN105175695A (en) | 2015-09-07 | 2015-09-07 | Synthetic method of alkyd resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105175695A true CN105175695A (en) | 2015-12-23 |
Family
ID=54898180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510562070.0A Pending CN105175695A (en) | 2015-09-07 | 2015-09-07 | Synthetic method of alkyd resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105175695A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778069A (en) * | 2016-03-10 | 2016-07-20 | 湖北大学 | Composite waterborne alkyd resin with high storage stability |
| CN106336353A (en) * | 2016-08-29 | 2017-01-18 | 广西梧州通轩林产化学有限公司 | Preparation method of abietic resin acid |
-
2015
- 2015-09-07 CN CN201510562070.0A patent/CN105175695A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778069A (en) * | 2016-03-10 | 2016-07-20 | 湖北大学 | Composite waterborne alkyd resin with high storage stability |
| CN106336353A (en) * | 2016-08-29 | 2017-01-18 | 广西梧州通轩林产化学有限公司 | Preparation method of abietic resin acid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101280055B (en) | High-solid lower-viscosity environment-friendly alkide resin and preparation thereof | |
| CN104449531B (en) | A kind of metal packaging tank dual-component polyurethane resin and preparation method thereof | |
| CN105254860A (en) | Polyester resin for powder coating for structural member of engineering machine and preparation method of polyester resin | |
| CN106750221B (en) | A kind of aqueous UV resins of itaconic acid base and preparation method thereof | |
| CN103045044A (en) | Energy-saving and environment-friendly powder coating and preparation method thereof | |
| CN104356892A (en) | Synthetic method of outdoor low-temperature curing powder coating | |
| CN112979889A (en) | Waterborne acrylic modified epoxy ester resin and preparation method and application thereof | |
| CN104292419B (en) | A kind of preparation method of High-performance green environmental protection coatings for furniture two component polyurethane modified unsaturated polyester | |
| CN106883392A (en) | A kind of low temperature cured powder coating polyester resin and preparation method thereof | |
| CN105175695A (en) | Synthetic method of alkyd resin | |
| CN104610892A (en) | Formula of environment-friendly particle hot-melt type pressure-sensitive adhesive and preparation method for adhesive | |
| CN103254416B (en) | Phenolic resin-modified water-based alkyd resin, preparation method thereof and coating | |
| CN104558562B (en) | A kind of highlight type epoxy/polyester polyester resin for powder coating and preparation method thereof | |
| CN108997905A (en) | A kind of preparation method of aqueous alkide resin | |
| CN105601898A (en) | Waterborne alkyd resin with excellent corrosion resistance and preparation method thereof | |
| CN102060964B (en) | Preparation method and application of amino acrylic resin | |
| CN110105553B (en) | Hyperbranched polyester modified itaconic acid-based waterborne light-cured resin and preparation method thereof | |
| CN103289521A (en) | High-strength heatproof powder coating and preparation method thereof | |
| CN103881055B (en) | Aqueous epoxy resins of a kind of glycidyl ether modified and preparation method thereof | |
| CN103289500B (en) | A kind of powdery paints that contains nano-attapulgite and preparation method thereof | |
| CN104877119A (en) | Alkyd resin and preparation method thereof | |
| CN104479115A (en) | Method for preparing linear polyester resin | |
| CN105037697A (en) | Preparation method for alkyd resin | |
| CN101381505A (en) | Synthetic resin produced by renewable resource and preparation method thereof | |
| CN109280139B (en) | Thermosetting water-based epoxy acrylic acid composite modified polyester resin and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151223 |
|
| WD01 | Invention patent application deemed withdrawn after publication |