CN110763544A - Quick-drying finely-grinding adhesive for laser ablation sample target preparation - Google Patents
Quick-drying finely-grinding adhesive for laser ablation sample target preparation Download PDFInfo
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- CN110763544A CN110763544A CN201910890696.2A CN201910890696A CN110763544A CN 110763544 A CN110763544 A CN 110763544A CN 201910890696 A CN201910890696 A CN 201910890696A CN 110763544 A CN110763544 A CN 110763544A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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Abstract
The invention provides a quick-drying finely-grinding adhesive for laser ablation sample targeting, which at least comprises the following components, by weight, α -cyanoacrylate 100 parts, polystyrene resin 10-20 parts, α -hydroxy-cyclohexyl phenyl ketone 10-20 parts, chitosan 25-35 parts, starch 5-15 parts, starch rosin 8-12 parts, and beeswax 6-8 parts.
Description
Technical Field
The invention relates to the field of detection equipment, in particular to a quick-drying finely-grinding adhesive for laser ablation sample target preparation.
Background
The laser in-situ analysis technology (including LIBS and LA-ICP-MS) is a technology capable of realizing in-situ sampling of a micron region, and the laser ablation is combined with the spectrum or the plasma mass spectrum to analyze the content of main trace elements or the composition of isotopes of a sample. In recent years, the technology is widely applied to the fields of earth science, modern science and technology, archaeology, material science, life science and the like.
The laser in-situ analysis technology focuses laser on a sample surface to be ablated through a light path, plasma generated by ablation is analyzed to obtain an LIBS (laser induced breakdown spectroscopy) spectrum signal, aerosol generated by ablation is analyzed by mass spectrometry to obtain an ion signal, and the ion signal and the aerosol can be complemented with each other to obtain the content of main trace elements or isotope composition so as to research element distribution rules or isotope tracing, marking and the like. The laser ablation inductively coupled plasma mass spectrometry is one of the most effective technologies for carrying out in-situ micro-area analysis on main trace elements and isotopes on a solid sample, and the technology is widely applied to the fields of geology, materials science, biology, chemistry, archaeology and the like. Has become the mainstream conventional mineral micro-area element and isotope analysis instrument.
In the laser ablation plasma mass spectrometry, a sample to be detected is firstly placed in a target seat, then the target seat is placed in a laser ablation pool, and sample aerosol generated on the surface of the laser ablation sample is carried into the plasma mass spectrometry by carrier gas to carry out element and isotope analysis.
In geological exploration, online monitoring and other industrial activities, a large amount of powder samples are often required to be analyzed, but the direct detection of the powder samples has great defects. The reason is that laser can generate shock waves in the process of hitting a sample, mechanical vibration is caused, a powder sample splashes, an instrument is polluted, and detection is interfered, so that LIBS detection is usually carried out after the powder sample is subjected to tabletting treatment, and result interference caused by powder splashing is avoided. However, when tabletting powder samples, not all samples can be directly tabletted, and usually a certain solid binder is added for mixed tabletting. The binder used for tableting may be inorganic compounds such as silver, aluminum and potassium bromide, and organic substances such as polyethylene and polyvinyl alcohol. The metal elements contained in the inorganic compound adhesive greatly interfere spectral signals, and the adhesive has certain influence on detection results. Although the organic adhesive only contains elements such as carbon, hydrogen, oxygen and the like, and has little interference on the detection of sample elements, the organic adhesive in the form of solid powder is mixed with a sample, ground and tabletted, and has a space effect, so that the particles are loosely arranged, a strong adhesive force cannot be formed to maintain the form of the sample, and the mechanical property of the obtained sample is poor. Meanwhile, the adhesion between the organic binder and the sample particles is weak, which results in that the solidified sample is greatly influenced by other factors, such as the size difference of the sample particles in the mechanical mixing process can cause the longitudinal distribution of the sample particles in the organic binder to be uneven.
Disclosure of Invention
The technical problem is as follows: to address the deficiencies of the prior art, the present invention provides a quick-drying, finely grindable binder for laser ablation sample targeting.
The invention provides a quick-drying finely-grinding adhesive for laser ablation sample target preparation, which at least comprises the following components, by weight, α -cyanoacrylate 100 parts, polystyrene resin 10-20 parts, α -hydroxy-cyclohexyl phenyl ketone 10-20 parts, chitosan 25-35 parts, starch 5-15 parts, starch rosin 8-12 parts, and beeswax 6-8 parts.
Preferably, the quick-drying finely-grinding adhesive for laser ablation sample targeting at least comprises the following components, by weight, α -cyanoacrylate 100 parts, polystyrene resin 14-16 parts, α -hydroxy-cyclohexyl phenyl ketone 14-16 parts, chitosan 28-32 parts, starch 8-12 parts, rosin 8-12 parts, and beeswax 6-8 parts.
Preferably, the quick-drying finely-grinding adhesive for laser ablation sample targeting at least comprises the following components, by weight, α -cyanoacrylate 100 parts, polystyrene resin 15 parts, α -hydroxy-cyclohexyl phenyl ketone 15 parts, chitosan 30 parts, starch 10 parts, rosin 10 parts and beeswax 7 parts.
The invention also provides a preparation method of the quick-drying finely-grinding adhesive for preparing the target of the laser ablation sample, which is characterized in that the adhesive is prepared by grinding rosin and beeswax, adding α -cyanoacrylate, uniformly mixing, adding chitosan and starch, uniformly mixing, continuously sequentially mixing polystyrene resin and α -hydroxy-cyclohexyl phenyl ketone.
The invention also provides the application of the quick-drying finely-grinding adhesive in the preparation of targets for laser ablation samples.
Has the advantages that: the quick-drying finely-grinding adhesive for laser ablation sample target preparation provided by the invention has the advantages of simple preparation process, rich raw material sources, no influence on laser in-situ analysis, strong adhesion and quick drying, and is suitable for laser ablation sample target preparation.
Detailed Description
The present invention is further explained below.
Example 1
The quick-drying finely-grinding adhesive for preparing the target of the laser ablation sample at least comprises the following components, by weight, α -cyanoacrylate 100 parts, polystyrene resin 10 parts, α -hydroxy-cyclohexyl phenyl ketone 20 parts, chitosan 25 parts, starch 15 parts, starch rosin 8 parts and beeswax 6 parts.
The preparation method comprises grinding Colophonium and Cera flava, adding α -cyanoacrylate, mixing, adding chitosan and starch, mixing, sequentially adding polystyrene resin and α -hydroxy-cyclohexyl phenyl ketone, and mixing.
Example 2
The quick-drying finely-grinding adhesive for preparing the target of the laser ablation sample at least comprises the following components, by weight, α -cyanoacrylate 100 parts, polystyrene resin 20 parts, α -hydroxy-cyclohexyl phenyl ketone 10 parts, chitosan 35 parts, starch 5 parts, starch rosin 12 parts and beeswax 8 parts.
Example 3
The quick-drying finely-grinding adhesive for preparing the target of the laser ablation sample at least comprises the following components, by weight, α -cyanoacrylate 100 parts, polystyrene resin 14 parts, α -hydroxy-cyclohexyl phenyl ketone 16 parts, chitosan 32 parts, starch 8 parts, rosin 12 parts and beeswax 6 parts.
Example 4
The quick-drying finely-grinding adhesive for preparing the target of the laser ablation sample at least comprises the following components, by weight, α -cyanoacrylate 100 parts, polystyrene resin 16 parts, α -hydroxy-cyclohexyl phenyl ketone 14 parts, chitosan 28 parts, starch 12 parts, rosin 8 parts and beeswax 8 parts.
Example 5
The quick-drying finely-grinding adhesive for laser ablation sample target preparation at least comprises the following components, by weight, α -cyanoacrylate 100 parts, polystyrene resin 15 parts, α -hydroxy-cyclohexyl phenyl ketone 15 parts, chitosan 30 parts, starch 10 parts, rosin 10 parts and beeswax 7 parts.
The performance of the quick-drying refinable binders of examples 1 to 5 were tested.
And (3) testing initial adhesion: at the position of 3 multiplied by 2.7cm of glue coated on the affected part at one end of a 10 multiplied by 2.7cm paper sheet, two paper sheets are glued and then adhered together, one end is fixed by a frame immediately, a small disc is hung at the other end, fine sand is continuously added until the two paper sheets are completely peeled off, and the weight of the fine sand is weighed.
The adhesion was tested in the same way, except that it was measured after 24h after gumming.
| Initial adhesion | Adhesive force | |
| Example 1 | 60.7 | 1340 |
| Example 2 | 62.4 | 1350 |
| Example 3 | 61.3 | 1380 |
| Example 4 | 62.6 | 1360 |
| Example 5 | 68.8 | 1490 |
The quick-drying finely-grindable binder of examples 1 to 5 was used for tableting, with an addition of 10%, the tableting quality was good, and no breakage was observed; after laser ablation test experiments, the results of examples 1 to 5 were cleaner in background, less in burrs and accurate in experimental results compared to commercially available adhesives.
Claims (5)
1. A quick-drying finely-grinding adhesive for preparing a target of a laser ablation sample is characterized by at least comprising the following components, by weight, α -cyanoacrylate 100 parts, polystyrene resin 10-20 parts, α -hydroxy-cyclohexyl phenyl ketone 10-20 parts, chitosan 25-35 parts, starch 5-15 parts, starch rosin 8-12 parts, and beeswax 6-8 parts.
2. The quick-drying finely-grindable adhesive for laser ablation sample targeting according to claim 1, characterized by comprising, by weight, at least α -cyanoacrylate 100 parts, polystyrene resin 14-16 parts, α -hydroxy-cyclohexyl phenyl ketone 14-16 parts, chitosan 28-32 parts, starch 8-12 parts, rosin 8-12 parts, and beeswax 6-8 parts.
3. The quick-drying finely-grindable adhesive for targeting a laser ablation sample according to claim 1, which comprises at least α -cyanoacrylate 100 parts, polystyrene resin 15 parts, α -hydroxy-cyclohexyl phenyl ketone 15 parts, chitosan 30 parts, starch 10 parts, rosin 10 parts, and beeswax 7 parts.
4. The method for preparing the quick-drying finely-grinding adhesive for targeting the laser ablation sample according to any one of claims 1 to 3, characterized in that the adhesive is prepared by grinding rosin and beeswax, adding α -cyanoacrylate, mixing uniformly, adding chitosan and starch, mixing uniformly, and continuing to sequentially mix polystyrene resin and α -hydroxy-cyclohexyl phenyl ketone.
5. Use of a quick-drying, refinable adhesive according to any of claims 1 to 3 in laser ablation sample targeting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890696.2A CN110763544A (en) | 2019-09-20 | 2019-09-20 | Quick-drying finely-grinding adhesive for laser ablation sample target preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890696.2A CN110763544A (en) | 2019-09-20 | 2019-09-20 | Quick-drying finely-grinding adhesive for laser ablation sample target preparation |
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| CN110763544A true CN110763544A (en) | 2020-02-07 |
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| CN201910890696.2A Pending CN110763544A (en) | 2019-09-20 | 2019-09-20 | Quick-drying finely-grinding adhesive for laser ablation sample target preparation |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338664A (en) * | 2000-07-28 | 2002-03-06 | 佳能株式会社 | Magnetic color tuner |
| CN101868465A (en) * | 2007-09-19 | 2010-10-20 | 埃姆比特生物科学公司 | Solid forms comprising n-(5-tert-butyl-isoxazol-3-yl)-n'-{4-[7-(2-morpholin-4-yl-ethoxy)imidazo[2,1-b][1,3]benzothiazol-2-yl]phenyl}urea, compositions thereof, and uses therewith |
| CN103189211A (en) * | 2010-12-27 | 2013-07-03 | 第一毛织株式会社 | Thermal transfer film |
| CN103983618A (en) * | 2014-05-14 | 2014-08-13 | 四川大学 | Pretreatment method of powder sample for laser induced breakdown spectrographic detection |
| CN104669748A (en) * | 2015-03-16 | 2015-06-03 | 吴江华诚复合材料科技有限公司 | Laser ablation target and preparation method thereof |
| CN107438912A (en) * | 2015-04-02 | 2017-12-05 | Sk新技术株式会社 | Secondary lithium batteries composite diaphragm and its manufacture method |
-
2019
- 2019-09-20 CN CN201910890696.2A patent/CN110763544A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338664A (en) * | 2000-07-28 | 2002-03-06 | 佳能株式会社 | Magnetic color tuner |
| CN101868465A (en) * | 2007-09-19 | 2010-10-20 | 埃姆比特生物科学公司 | Solid forms comprising n-(5-tert-butyl-isoxazol-3-yl)-n'-{4-[7-(2-morpholin-4-yl-ethoxy)imidazo[2,1-b][1,3]benzothiazol-2-yl]phenyl}urea, compositions thereof, and uses therewith |
| CN103189211A (en) * | 2010-12-27 | 2013-07-03 | 第一毛织株式会社 | Thermal transfer film |
| CN103983618A (en) * | 2014-05-14 | 2014-08-13 | 四川大学 | Pretreatment method of powder sample for laser induced breakdown spectrographic detection |
| CN104669748A (en) * | 2015-03-16 | 2015-06-03 | 吴江华诚复合材料科技有限公司 | Laser ablation target and preparation method thereof |
| CN107438912A (en) * | 2015-04-02 | 2017-12-05 | Sk新技术株式会社 | Secondary lithium batteries composite diaphragm and its manufacture method |
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Application publication date: 20200207 |