CN105153406A - Quick-drying alkyd resin and preparation method thereof as well as quick-drying varnish - Google Patents
Quick-drying alkyd resin and preparation method thereof as well as quick-drying varnish Download PDFInfo
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- CN105153406A CN105153406A CN201510653485.9A CN201510653485A CN105153406A CN 105153406 A CN105153406 A CN 105153406A CN 201510653485 A CN201510653485 A CN 201510653485A CN 105153406 A CN105153406 A CN 105153406A
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Abstract
The invention provides quick-drying alkyd resin and a preparation method thereof as well as quick-drying varnish, and relates to the technical field of industrial coating. The quick-drying varnish comprises the following components in weight proportion: 75-85% of quick-drying alkyd resin, 0.4-0.6% of a drier, 0-0.2% of an anti-skinning agent and the balance of xylene. The surface drying time of the quick-drying alkyd provided by the invention is about 15 minutes in a normal temperature state, and the hard drying time of the quick-drying alkyd is about 8 hours, the drying speed of the quick-drying alkyd resin is increased greatly in comparison with that of conventional alkyd resin at the normal temperature and the drying speed is extremely high. All technical indexes of the quick-drying varnish provided by the invention reach state specified standards, in addition, the salt spray resistance test can reach about 72 h and the quick-drying varnish has a better antirust function.
Description
Technical field
The present invention relates to industrial coating technical field, particularly a kind of quick-dry type alkyd resin and preparation method thereof and a kind of quick-dry type varnish.
Background technology
In paint, topmost composition is exactly resin, the quality of coating fundamental property and the performance of resin closely related, Synolac is due to its superior over-all properties and cost performance, now obtain a very wide range of application at air-curing coatings and tamanori field, the most rate of drying of Synolac commercially available is at present slower, particularly, under normal temperature state, its surface drying time is generally at 2 hours, do solid work the time generally at 13 hours, when needing to modulate coating or the tamanori of quick-drying under some normal temperature, existing Synolac can not be suitable for mostly.In addition, mostly can only reach 24 hours when the varnish of existing employing Synolac modulation carries out salt spray resistance test, substantially not possess antirust function.
Summary of the invention
The technical problem to be solved in the present invention is to provide Synolac that rate of drying under a kind of normal temperature is exceedingly fast and preparation method thereof, and further, the present invention also provides a kind of and comprises above-mentioned quick-dry type alkyd resin and possess the varnish of good antirust function.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of preparation method of quick-dry type alkyd resin, and order is carried out according to the following steps:
Step one, the dimethylbenzene getting the oelic acid of 17-21 weight part, the phenylformic acid of 16-20 weight part, the tetramethylolmethane of 8-12 weight part, the phthalic anhydride of 11-15 weight part and 5-7 weight part is put in reactor, progressively temperature in reactor is risen to 170-190 degree Celsius;
Step 2, is incubated 5-7 hour under the condition of temperature 170-190 degree Celsius in a kettle. and sampling detects acid number from reactor, after the resinous acid value in reactor reaches 20mgKOH/g, further temperature in reactor is risen to 225-235 degree Celsius;
Step 3, keep temperature in reactor to be 225-235 degree Celsius and sample from reactor detecting viscosity, when viscosity when the resin form pipe viscometer in reactor detects it at 25 degrees Celsius is 20-40 second, stop heating reactor, resin in question response still is cooled to less than 100 degrees Celsius, then its latting drown can be obtained described quick-dry type alkyd resin by the dimethylbenzene adding 33-35 weight part.
Preferably, oelic acid described in above-mentioned steps one is 19 weight parts, described phenylformic acid is 18 weight parts, described tetramethylolmethane is 10 weight parts, described phthalic anhydride is 13 weight parts.
Wherein, quick-dry type alkyd resin provided by the invention is prepared by above-mentioned preparation method.
Further, the present invention also provides a kind of varnish comprising above-mentioned quick-dry type alkyd resin, and the weight proportion of its each component is: quick-dry type alkyd resin: 75-85%, siccative: 0.4-0.6%, anti-skin agent: 0-0.2%, surplus are dimethylbenzene.
In a preferred embodiment of the invention, the weight ratio of described quick-dry type alkyd resin is 85%, and the weight ratio of described siccative is 0.6%, and the weight ratio of described anti-skin agent is 0.1%, and surplus is dimethylbenzene.
Preferred further, described siccative is the mixture of one or more in cobalt iso-octoate, isooctoate of rare earth metal, calcium iso-octoate.
Preferred, described anti-skin agent is methyl ethyl ketoxime.
The beneficial effect that the present invention obtains is: the invention provides a kind of quick-dry type alkyd resin, and it is under normal temperature state, surface drying time about 15 minutes, time of doing solid work is at 8 hours, compare existing Synolac, its rate of drying is at normal temperatures greatly improved, and rate of drying is exceedingly fast.In addition, the varnish all technical of the above-mentioned quick-dry type alkyd resin modulation of employing provided by the invention all can reach state specified standards, and the test of its salt spray resistance can reach 72 hours, can determine thus, quick-dry type varnish provided by the invention has possessed good antirust function.
Embodiment
Principal feature of the present invention is design extra short oil alkyd resin formulation, introducing the raw materials such as large weight polyalcohol and fragrant organic acid in the molecular structure, by regulating suitable temperature of reaction and time, preparing the Synolac that a kind of rate of drying is exceedingly fast.
As one embodiment of the present invention, a kind of preparation method of quick-dry type alkyd resin, order is carried out according to the following steps:
Step one, the dimethylbenzene getting the oelic acid of 17-21 weight part, the phenylformic acid of 16-20 weight part, the tetramethylolmethane of 8-12 weight part, the phthalic anhydride of 11-15 weight part and 5-7 weight part is put in reactor, progressively temperature in reactor is risen to 170-190 degree Celsius;
Step 2, is incubated 5-7 hour under the condition of temperature 170-190 degree Celsius in a kettle. and sampling detects acid number from reactor, after the resinous acid value in reactor reaches 20mgKOH/g, further temperature in reactor is risen to 225-235 degree Celsius;
Step 3, keep temperature in reactor to be 225-235 degree Celsius and sample from reactor detecting viscosity, when viscosity when the resin form pipe viscometer in reactor detects it at 25 degrees Celsius is 20-40 second, stop heating reactor, resin in question response still is cooled to less than 100 degrees Celsius, then its latting drown can be obtained described quick-dry type alkyd resin by the dimethylbenzene adding 33-35 weight part.
It should be noted that, namely quick-dry type alkyd resin provided by the invention is prepared by aforesaid method.Also contains above-mentioned quick-dry type alkyd resin in quick-dry type varnish provided by the invention, particularly, the weight proportion of its each component is: quick-dry type alkyd resin: 75-85%, siccative: 0.4-0.6%, anti-skin agent: 0-0.2%, surplus are dimethylbenzene.
Need in advance it is emphasised that, in quick-dry type varnish provided by the invention, siccative can be selected from cobalt iso-octoate, isooctoate of rare earth metal, the mixture of one or more in calcium iso-octoate, although select different materials to make the rate of drying of siccative on varnish have impact slightly, but compare improvements over the prior art amplitude of the present invention, it is almost negligible that this puts trickle impact, same, it will be appreciated by those skilled in the art that, anti-skin agent can select in methyl ethyl ketoxime or other prior aries that other are often used as the material of the anti-skin agent of phthalic resin coating, in the present invention, the impact of change on the rate of drying of varnish and salt spray resistance of anti-skin agent composition is also very faint, for easy statement, only list calcium iso-octoate in embodiments of the invention part and make siccative, methyl ethyl ketoxime makes the example of anti-skin agent.
In order to the improvements allowing those skilled in the art more clearly understand hinge structure of the present invention, below in conjunction with embodiment and comparative example, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
One, quick-dry type alkyd resin:
embodiment 1:
First, the dimethylbenzene getting the oelic acid of 17 weight parts, the phenylformic acid of 16 weight parts, the tetramethylolmethane of 12 weight parts, the phthalic anhydride of 15 weight parts and 5-7 weight part is put in reactor, progressively temperature in reactor is risen to 170-190 degree Celsius;
Then, be incubated 5-7 hour under the condition of temperature 170-190 degree Celsius in a kettle. and sampling detects acid number from reactor, after the resinous acid value in reactor reaches 20mgKOH/g, further temperature in reactor risen to 225-235 degree Celsius;
Finally, keep temperature in reactor to be 225-235 degree Celsius and sample from reactor detecting viscosity, when viscosity when the resin form pipe viscometer in reactor detects it at 25 degrees Celsius is 20-40 second, stop heating reactor, resin in question response still is cooled to less than 100 degrees Celsius, then its latting drown can be obtained the quick-dry type alkyd resin needed for the present embodiment 1 by the dimethylbenzene adding 33-35 weight part.
After this, the quick-dry type alkyd resin obtained be used for testing the rate of drying under its normal temperature, through recording, it is surface drying time about 14 minutes at normal temperatures, and the time of doing solid work is at 7.9 hours.
embodiment 2:
Embodiment 2 is compared with embodiment 1, just in step one, the weight proportion of oelic acid, phenylformic acid, tetramethylolmethane, phthalic anhydride changes to some extent, other guide is identical, for easy statement, identical content does not repeat them here, in the present embodiment, the weight proportion of the oelic acid in step one, phenylformic acid, tetramethylolmethane, phthalic anhydride is as follows:
Oelic acid is 21 weight parts, phenylformic acid is 20 weight parts, tetramethylolmethane is 8 weight parts, phthalic anhydride is 11 weight parts.
After this, in the same manner as in Example 1, the quick-dry type alkyd resin obtained be used for testing the rate of drying under its normal temperature, through recording, it is surface drying time about 15 minutes at normal temperatures, and the time of doing solid work is at 8.15 hours.
embodiment 3:
Embodiment 2 is compared with embodiment 1, just in step one, the weight proportion of oelic acid, phenylformic acid, tetramethylolmethane, phthalic anhydride changes to some extent, other guide is identical, for easy statement, identical content does not repeat them here, in the present embodiment, the weight proportion of the oelic acid in step one, phenylformic acid, tetramethylolmethane, phthalic anhydride is as follows:
Oelic acid is 19 weight parts, phenylformic acid is 18 weight parts, tetramethylolmethane is 10 weight parts, phthalic anhydride is 13 weight parts.
After this, the same with embodiment 1 and 2, the quick-dry type alkyd resin obtained be used for testing the rate of drying under its normal temperature, through recording, it is surface drying time about 15 minutes at normal temperatures, and the time of doing solid work is at 8 hours.
Two, quick-dry type varnish:
embodiment 1:
In the present embodiment, this quick-dry type varnish comprises aforementioned quick-dry type alkyd resin, and the weight proportion of its each component is:
Quick-dry type alkyd resin: 75%, siccative: 0.4%, anti-skin agent: 0.2%, surplus is dimethylbenzene.
Said components is uniformly mixed the quick-dry type varnish that can obtain the present embodiment.
After this, the quick-dry type varnish obtained is divided into two parts, portion detects its every conventional index according to the detection method of varnish in GB/T25251-2010, it the results are shown in Table 1, another part requires its rustless property of test according to the salt spray resistance of rust-inhibiting paint, after tested, the test of its salt spray resistance can reach 70 hours.
embodiment 2:
Embodiment 2 is compared with embodiment 1, and just the weight proportion of each component changes to some extent, and other guide is identical, and be easy statement, identical content does not repeat them here, and in the present embodiment, the weight proportion of each component is as follows:
Quick-dry type alkyd resin: 80%, siccative: 0.5%, anti-skin agent: 0%, surplus is dimethylbenzene.
After this, in the same manner as in Example 1, the quick-dry type varnish obtained is divided into two parts, portion detects its every conventional index according to the detection method of varnish in GB/T25251-2010, it the results are shown in Table 1, another part requires its rustless property of test according to the salt spray resistance of rust-inhibiting paint, and after tested, the test of its salt spray resistance can reach 71.5 hours.
embodiment 3:
Embodiment 2 is compared with embodiment 1, and just the weight proportion of each component changes to some extent, and other guide is identical, and be easy statement, identical content does not repeat them here, and in the present embodiment, the weight proportion of each component is as follows:
Quick-dry type alkyd resin: 85%, siccative: 0.6%, anti-skin agent: 0.1%, surplus is dimethylbenzene.
After this, the same with embodiment 1 and 2, the quick-dry type varnish obtained is divided into two parts, portion detects its every conventional index according to the detection method of varnish in GB/T25251-2010, it the results are shown in Table 1, another part requires its rustless property of test according to the salt spray resistance of rust-inhibiting paint, and after tested, the test of its salt spray resistance can reach 72.5 hours.
Table 1;
As can be seen from the test data cartogram of above-mentioned table 1, the varnish all technical of the above-mentioned quick-dry type alkyd resin modulation of employing provided by the invention all can reach state specified standards, comprehensive above test result can be determined, quick-dry type alkyd resin provided by the invention, it is under normal temperature state, surface drying time about 15 minutes, time of doing solid work is at 8 hours, compare existing Synolac, its rate of drying is at normal temperatures greatly improved, and rate of drying is exceedingly fast.In addition, quick-dry type varnish provided by the invention not only all technical all can reach state specified standards, and the test of its salt spray resistance can reach 72 hours, and this quick-dry type varnish has possessed good antirust function.
Above-described embodiment is the present invention's preferably implementation, and in addition, the present invention can also realize by alternate manner, and under the prerequisite not departing from the technical program design, any apparent replacement is all within protection scope of the present invention.
Finally, it should be emphasized that, the improvements of the present invention relative to prior art are understood more easily in order to allow those of ordinary skill in the art, descriptions more of the present invention are simplified, and for the sake of clarity, present specification is omitted some other elements, and those of ordinary skill in the art it is to be appreciated that these elliptical elements also can form content of the present invention.
Claims (7)
1. a preparation method for quick-dry type alkyd resin, order is carried out according to the following steps:
Step one, the dimethylbenzene getting the oelic acid of 17-21 weight part, the phenylformic acid of 16-20 weight part, the tetramethylolmethane of 8-12 weight part, the phthalic anhydride of 11-15 weight part and 5-7 weight part is put in reactor, progressively temperature in reactor is risen to 170-190 degree Celsius;
Step 2, is incubated 5-7 hour under the condition of temperature 170-190 degree Celsius in a kettle. and sampling detects acid number from reactor, after the resinous acid value in reactor reaches 20mgKOH/g, further temperature in reactor is risen to 225-235 degree Celsius;
Step 3, keep temperature in reactor to be 225-235 degree Celsius and sample from reactor detecting viscosity, when viscosity when the resin form pipe viscometer in reactor detects it at 25 degrees Celsius is 20-40 second, stop heating reactor, resin in question response still is cooled to less than 100 degrees Celsius, then its latting drown can be obtained described quick-dry type alkyd resin by the dimethylbenzene adding 33-35 weight part.
2. the preparation method of quick-dry type alkyd resin according to claim 1, is characterized in that: oelic acid described in step one is 19 weight parts, described phenylformic acid is 18 weight parts, described tetramethylolmethane is 10 weight parts, described phthalic anhydride is 13 weight parts.
3. a quick-dry type alkyd resin, is characterized in that: adopt the preparation method's preparation described in claim 1 or 2.
4. a quick-dry type varnish, is characterized in that: comprise the quick-dry type alkyd resin according to claim 3 of 75-85% weight ratio, the siccative of 0.4-0.6% weight ratio, the anti-skin agent of 0-0.2%, surplus be dimethylbenzene.
5. quick-dry type varnish according to claim 4, is characterized in that: the weight ratio of described quick-dry type alkyd resin is 85%, and the weight ratio of described siccative is 0.6%, and the weight ratio of described anti-skin agent is 0.1%, and surplus is dimethylbenzene.
6. the quick-dry type varnish according to claim 4 or 5, is characterized in that: described siccative is the mixture of one or more in cobalt iso-octoate, isooctoate of rare earth metal, calcium iso-octoate.
7. quick-dry type varnish according to claim 6, is characterized in that: described anti-skin agent is methyl ethyl ketoxime.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109180920A (en) * | 2018-11-07 | 2019-01-11 | 山东益利油漆有限公司 | A kind of quick-dry type alkyd resin and preparation method thereof |
| CN115851148A (en) * | 2023-03-01 | 2023-03-28 | 汕头市长立文具实业有限公司 | High-covering-power quick-drying correction tape based on resin and titanium dioxide and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104448269A (en) * | 2014-11-21 | 2015-03-25 | 无锡市虎皇漆业有限公司 | Quick-dried alkyd resin and preparation method thereof |
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- 2015-10-12 CN CN201510653485.9A patent/CN105153406B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104448269A (en) * | 2014-11-21 | 2015-03-25 | 无锡市虎皇漆业有限公司 | Quick-dried alkyd resin and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109180920A (en) * | 2018-11-07 | 2019-01-11 | 山东益利油漆有限公司 | A kind of quick-dry type alkyd resin and preparation method thereof |
| CN115851148A (en) * | 2023-03-01 | 2023-03-28 | 汕头市长立文具实业有限公司 | High-covering-power quick-drying correction tape based on resin and titanium dioxide and preparation method thereof |
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