CN201470143U - Photoinitiator crystallizing device - Google Patents
Photoinitiator crystallizing device Download PDFInfo
- Publication number
- CN201470143U CN201470143U CN2009201911285U CN200920191128U CN201470143U CN 201470143 U CN201470143 U CN 201470143U CN 2009201911285 U CN2009201911285 U CN 2009201911285U CN 200920191128 U CN200920191128 U CN 200920191128U CN 201470143 U CN201470143 U CN 201470143U
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- light trigger
- wall scraper
- crystallization
- wall
- shaft
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Abstract
The utility model relates to a photoinitiator crystallizing device which comprises a crystallizing kettle and an agitating shaft which extends into the crystallizing kettle, wherein a wall scraper is fixed at the part of the agitating shaft which is positioned in the crystallizing kettle, and the profile of one end of the wall scraper which is far away from the agitating shaft is adaptive to the profile of the inner wall of the crystallizing kettle. Compared with the prior art, the part of the agitating shaft of the photoinitiator crystallizing device which is positioned in the crystallizing kettle is fixed with the wall scraper, the profile of the end of the wall scraper which is far away from the agitating shaft is adaptive to the profile of the inner wall of the crystallizing kettle, and consequently when the agitating shaft drives the wall scraper to rotate, the end of the wall scraper which is far away from the agitating shaft scrapes away the photoinitiator crystals which adhere to the inner wall of the crystallizing kettle, thus avoiding the drawback which is caused by the over-adhering of the photoinitiator crystals on the inner wall of the crystallizing kettle.
Description
Technical field
The utility model relates to the chemical reactor field, relates in particular to a kind of light trigger crystallization apparatus.
Background technology
Photocureable coating is because it is easy to use, and the performance brilliance becomes the widely used new coating of a class gradually.The solidification process of photocureable coating is the polymerization crosslinking process, after photocuring light source irradiates light is coating material solidified, to excite, decompose the light trigger in the coating system and generate free radical, the two keys in the active free radical bump photocureable coating also react the formation growing chain with it.This reaction continues to extend, and the two key sections in reactive diluent and the oligomer are split, and film forming is cross-linked with each other.Except above-mentioned positive reaction, the collision of free radical also simultaneously returns to ground state by excitation state, and the final result of reaction is a film-forming.
Light trigger in the photocureable coating is the energy absorbed radiation energy, and generation has the material of the reactive intermediate of initator polymerizing power through chemical change, also is the main component that any curing system all needs.For example light trigger 907, i.e. 2-methyl-2-(4-morpholinyl)-1-[4-(methyl mercapto) phenyl]-1-acetone, be a kind of efficiency light initator, can be used for the ultra-violet curing system.Light trigger 907 is a kind of initators that are specifically designed to the ultraviolet-curing paint, printing ink and the coloured curing system of adhesive that contain pigment, can make its not yellowing for a long time and prolong to store.Light trigger 907 can use separately, also can be common to the printing ink of paper, timber, metal and frosting and the ultraviolet light polymerization of varnish as light trigger 184 or light trigger ITX with other light triggers.The characteristic of its high absorbance particularly is applicable in UV curable ink and the colored paint it.In addition, light trigger 907 also can be used for also can being used for electronic applications such as photoresist, solder resist as worlds of art such as offset printing/screen printing ink and galleys.
For improving the purity of light trigger, in the manufacturing process of light trigger, need step through crystallization.The crystallization of light trigger is to carry out in the crystallization kettle of special use.Yet when light trigger carried out crystallization in existing crystallization kettle, inwall attached to crystallization kettle on, when serious can stop up whole crystallization kettle, and then cause parking maintenance easily by the light decline that causes crystalline rate for the light trigger of crystallization.Therefore, be badly in need of in the industry a kind ofly being difficult for making light trigger too much attached to the crystallization kettle of inwall.
Summary of the invention
Technical problem to be solved in the utility model is: when how to prevent the light trigger crystallization too much attached to the inwall of crystallization kettle.
For addressing the above problem, the utility model provides a kind of light trigger crystallization apparatus, comprise crystallization kettle and stretch into the interior shaft of described crystallization kettle, the partial fixing that is positioned at crystallization kettle on the described shaft has wall scraper, and described wall scraper adapts away from the profile of an end of described shaft and the inner surface contour of described crystallization kettle.
Alternatively, described wall scraper comprises scraping blade and the connector that is connected described scraping blade and described shaft.
Alternatively, described scraping blade and described connector are separable.
Alternatively, described scraping blade and described connector are stripe shape.
Alternatively, described wall scraper shape is that symmetry axis becomes axial symmetry with described shaft.
Alternatively, described wall scraper is not more than 10mm away from an end of described shaft and the interval of described crystallization kettle inwall.
Alternatively, described wall scraper has a plurality of, and each wall scraper is separated from each other.
Alternatively, described a plurality of wall scrapers are divided into more than one group, and every group of wall scraper serves as that axle is symmetrically distributed with described shaft.
Alternatively, the profile of described crystallization kettle bottom interior wall is an arc.
Alternatively, described crystallization kettle inwall is through polishing.
Compared with prior art, the utility model is positioned at crystallization kettle on shaft partial fixing has wall scraper, and wall scraper adapts away from the profile of an end of shaft and the inner surface contour of crystallization kettle.Thereby when shaft drove the wall scraper rotation, wall scraper can will scrape attached to the light trigger crystallization on the crystallization kettle inwall away from an end of shaft, thereby has avoided the light trigger crystallization too much attached to the drawback of being brought on the crystallization kettle inwall.
Description of drawings
Fig. 1 is the structural representation of an embodiment light trigger of the utility model crystallization apparatus;
Fig. 2 is the vertical view of wall scraper in another embodiment light trigger crystallization apparatus of the utility model.
The specific embodiment
Inventor of the present utility model considers, principle according to the light trigger crystallization, light trigger after the crystallization is unavoidable attached to the crystallization kettle inwall, but the method that can strike off by physics avoids the light trigger of crystallization on the inwall crystalline rate that is brought of growing too much to reduce or the crystallization kettle blocking problem.
According to above-mentioned consideration, as shown in Figure 1, in an embodiment of the present utility model, provide a kind of light trigger crystallization apparatus 100.This crystallization apparatus 100 mainly comprises crystallization kettle 101 and stretches in the crystallization kettle 100 and be positioned at the shaft 102 in crystallization kettle 101 axle center.Wherein, shaft 102 is driven by the electric rotating machine 103 that is positioned at top outside the crystallization kettle 101.In addition, this crystallization apparatus comprises that also to be positioned at crystallization kettle 101 inner and be fixed on wall scraper 104,105 on the shaft 102.Wall scraper 104,105 has two ends, and wherein an end is fixed on the shaft 102, and wall scraper 104,105 other ends, promptly adapts away from the profile of an end of shaft 102 and the inner surface contour of crystallization kettle 101.
The vertical view of wall scraper 104 as shown in Figure 2.Wall scraper 104 comprises scraping blade 141 and connector 142 these two parts.Wherein connector 142 is to be used for scraping blade 141 is connected to the parts of shaft 102.In an embodiment of the present utility model, scraping blade 141 is stripe shape with connector 142, and this helps the manufacturing of scraping blade 141 and connector 142.
In another embodiment of the present utility model, because the inwall of crystallization kettle 101 is a cylindrical shape, so the profile of the one side that is close of scraping blade 142 and crystallization kettle 101 is a circular arc.
The scraping blade 141 of wall scraper 104 has a very small interval with the inwall of crystallization kettle 101, and this preferably is not more than 10mm at interval.This is in order to prevent that vibration or the skew of shaft 102 in rotary course from causing the inwall of scraping blade 141 bump crystallization kettles 101 and scraping blade 141 and crystallization kettle 101 are caused damage at interval.Therefore, in the running of crystallization apparatus 100, at most only can residually be no more than the thick light trigger crystallization of 10mm on the inwall of crystallization kettle 101, and can crystalline rate not influenced to some extent, also just more can not produce the accident of stopping up in the crystallization kettle 101.
In an embodiment of the present utility model, scraping blade 141 is separable two parts with connector 142.That is to say, when scraping blade 141 damages or distortion and when can't use, can and changing scraping blade 141 dismountings.
Associating Fig. 1 and Fig. 2 as can be seen, in an embodiment of the present utility model, wall scraper 104 is axisymmetric shapes, its symmetry axis is a shaft 102.Can the ground light trigger crystallization that will be deposited on crystallization kettle 101 inwalls scrape equably like this.Certainly, the utility model is not limited to this, and single wall scraper 104 can only comprise a scraping blade 141 and a connector 142.And a plurality of wall scrapers 104 are separated from each other, and with shaft 102 serve as the axle be symmetrically distributed.
Except one group of wall scraper 104, also there is another group wall scraper 105.Wall scraper 105 also is fixed on the shaft 102, and is positioned at the below of wall scraper 104.The effect of wall scraper 105 is that the light trigger crystallization that will be deposited on crystallization kettle 101 inwalls below and bottom scrapes.
Wall scraper 105 also is divided into scraping blade 151 and connector 152.In one embodiment of the invention, the profile of crystallization kettle 101 bottom interior wall is an arc.Therefore, the shape of the shape of connector 152 and crystallization kettle 101 bottoms adapts.The scraping blade 151 and the connector 152 of wall scraper 105 can be integrally manufactured moulding, can certainly scraping blade 151 and connector 152 be manufactured separable structure as wall scraper 104.The intensity of the wall built-up device 105 that is made into integration is higher.
In addition, crystallization kettle 101 inwalls can also pass through polishing.So also can reduce the deposition of light trigger at crystallization kettle 101 inwalls.
In the above-described embodiments, wall scraper the 104, the 105th is separated from each other.But the utility model is not limited to this, and wall scraper 104,105 can link together, and for example scraping blade 141,151 can link together.Even wall scraper 104,105 can be one-body molded manufacturing.
Though the utility model with preferred embodiment openly as above; but it is not to be used for limiting claim; any those skilled in the art are not in breaking away from spirit and scope of the present utility model; can make possible change and modification, therefore protection domain of the present utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (10)
1. light trigger crystallization apparatus, comprise crystallization kettle and stretch into the interior shaft of described crystallization kettle, it is characterized in that: the partial fixing that is positioned at crystallization kettle on the described shaft has wall scraper, and described wall scraper adapts away from the profile of an end of described shaft and the inner surface contour of described crystallization kettle.
2. light trigger crystallization apparatus as claimed in claim 1 is characterized in that: described wall scraper comprises scraping blade and the connector that is connected described scraping blade and described shaft.
3. light trigger crystallization apparatus as claimed in claim 2 is characterized in that: described scraping blade and described connector are separable.
4. light trigger crystallization apparatus as claimed in claim 2 is characterized in that: described scraping blade and described connector are stripe shape.
5. light trigger crystallization apparatus as claimed in claim 1 is characterized in that: described wall scraper shape is that symmetry axis becomes axial symmetry with described shaft.
6. light trigger crystallization apparatus as claimed in claim 1 is characterized in that: described wall scraper is not more than 10mm away from an end of described shaft and the interval of described crystallization kettle inwall.
7. light trigger crystallization apparatus as claimed in claim 1 is characterized in that: described wall scraper has a plurality of, and each wall scraper is separated from each other.
8. light trigger crystallization apparatus as claimed in claim 6 is characterized in that: described a plurality of wall scrapers are divided into more than one group, and every group of wall scraper serves as that axle is symmetrically distributed with described shaft.
9. light trigger crystallization apparatus as claimed in claim 1 is characterized in that: the profile of described crystallization kettle bottom interior wall is an arc.
10. light trigger crystallization apparatus as claimed in claim 1 is characterized in that: described crystallization kettle inwall is through polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201911285U CN201470143U (en) | 2009-08-13 | 2009-08-13 | Photoinitiator crystallizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201911285U CN201470143U (en) | 2009-08-13 | 2009-08-13 | Photoinitiator crystallizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201470143U true CN201470143U (en) | 2010-05-19 |
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ID=42406381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201911285U Expired - Fee Related CN201470143U (en) | 2009-08-13 | 2009-08-13 | Photoinitiator crystallizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201470143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512906A (en) * | 2016-12-31 | 2017-03-22 | 天津兆博化工有限公司 | Reaction kettle for production of dyestuff |
-
2009
- 2009-08-13 CN CN2009201911285U patent/CN201470143U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512906A (en) * | 2016-12-31 | 2017-03-22 | 天津兆博化工有限公司 | Reaction kettle for production of dyestuff |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG YANGFAN NEW MATERIALS CO., LTD. Free format text: FORMER NAME: ZHEJIANG YANGFAN FINE CHEMICAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 312369 No. three, No. 25, latitude road, Hangzhou Bay Industrial Park, Zhejiang, Shangyu Patentee after: ZHEJIANG YANGFAN NEW MATERIALS CO., LTD. Address before: 312369 No. three, No. 25, latitude road, Hangzhou Bay Industrial Park, Zhejiang, Shangyu Patentee before: Zhejiang Yangfan Fine Chemical Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20170813 |