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Method for evaluating fluororesin paint or fluororesin coating film, evaluation-information calculation device, evaluation-information presentation system, and terminal device

An evaluation method and technology of fluororesin, applied in measuring devices, coatings, material separation, etc., can solve problems such as weather resistance evaluation of refractory fluororesin coatings, component analysis of refractory fluororesin coatings, etc.

Active Publication Date: 2017-08-29
ASAHI GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In other words, it is difficult for those who have little experience in component analysis to analyze the components of fluororesin paint or fluororesin coating film
Therefore, it is difficult to evaluate the weather resistance of fluororesin paint used in painting at the painting site

Method used

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  • Method for evaluating fluororesin paint or fluororesin coating film, evaluation-information calculation device, evaluation-information presentation system, and terminal device
  • Method for evaluating fluororesin paint or fluororesin coating film, evaluation-information calculation device, evaluation-information presentation system, and terminal device
  • Method for evaluating fluororesin paint or fluororesin coating film, evaluation-information calculation device, evaluation-information presentation system, and terminal device

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Experimental program
Comparison scheme
Effect test

no. 1 approach 》

[0039] figure 1 It is a schematic diagram showing the configuration of the evaluation information presentation system 1 according to the first embodiment.

[0040] The evaluation information presentation system 1 according to the present embodiment provides information used for evaluation of the sample S which is a fluororesin coating or a fluororesin coating film based on Raman spectroscopy and thermal cracking GC / MS. Specifically, the information presentation system 1 for evaluation presents the similarity between the known fluororesin paint or fluororesin coating film and the sample S, the presence or absence of vinyl ester, vinyl ether, tetrafluoroethylene ( Hereinafter, it is also referred to as TFE.), and chlorotrifluoroethylene (hereinafter, also referred to as CTFE.), and the content of vinyl ester, vinyl ether, TFE, CTFE, and fluorine atoms in Sample S.

[0041] The evaluation information presentation system 1 includes a terminal device 10 and an evaluation informat...

no. 2 approach 》

[0102] The evaluation information presentation system 1 according to the present embodiment provides information used for evaluation of the sample S which is a fluororesin coating or a fluororesin coating film based on Raman spectroscopy and thermal cracking GC.

[0103] Figure 8 It is a schematic block diagram showing the configuration of the terminal device 10 according to the second embodiment.

[0104] The terminal device 10 according to this embodiment includes a detector 134 instead of the mass spectrometer 133 of the first embodiment. Detector 134 detects the time-series intensities of the pyrolysis products eluted from gas chromatograph 132 . That is, the detector 134 generates a chromatogram of the sample S.

[0105] Figure 9 It is a schematic block diagram showing the configuration of the evaluation information calculation device 20 according to the second embodiment.

[0106] The evaluation information calculation device 20 according to the present embodiment ...

no. 3 approach 》

[0114] The evaluation information presentation system 1 according to this embodiment provides information used for evaluation of the sample S that is a fluororesin coating or a fluororesin coating film based on the thermal cracking GC / MS method without performing spectral analysis.

[0115] Figure 10 It is a schematic block diagram showing the configuration of the terminal device 10 according to the third embodiment.

[0116] The terminal device 10 according to this embodiment does not include the Raman spectroscopy device 102 of the first embodiment. On the other hand, the computing device 104 according to this embodiment performs identification of the sample S and known paints or coating films based on the mass chromatogram output from the pyrolysis GC / MS device 103 . The configuration of the computing device 104 according to this embodiment is the same as that of the first embodiment. On the other hand, the information stored in the paint table 221 and the operation of t...

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Abstract

The purpose of the present invention is to evaluate the weather resistance of a fluororesin paint or a fluororesin coating film. An evaluation-information calculation device (20) acquires a chromatogram related to a sample (S). The evaluation-information calculation device (20) estimates, on the basis of the chromatogram and data related to peaks of thermal decomposition products derived from constituent units based on vinyl ester and / or vinyl ether, the presence and / or amount of the constituent units based on vinyl ester and / or vinyl ether in the sample (S). The evaluation-information calculation device (20) estimates the fluorine content of the sample (S) on the basis of the chromatogram and data related to peaks of thermal decomposition products derived from constituent units based on monomers including fluorine. An evaluator (E) evaluates the sample (S) on the basis of the fluorine content, and the presence and / or amount of the constituent units based on vinyl ester and / or vinyl ether.

Description

technical field [0001] The present invention relates to an evaluation method of fluororesin paint or fluororesin coating film, an evaluation information calculation device, an evaluation information presentation system, and a terminal device. Background technique [0002] In general, the weather resistance of fluororesin coating films is superior to that of other resin coating films. On the other hand, fluororesin paints and fluororesin coating films have different weather resistances depending on their composition. [0003] By pyrolysis gas chromatography (hereinafter also referred to as pyrolysis GC method. GC is the abbreviation of Gas Chromatography.) or pyrolysis gas chromatography mass spectrometry (hereinafter also referred to as pyrolysis GC / MS method. MS is Mass Spectrometry Abbreviated.) to analyze the composition of the fluororesin coating film. In component analysis based on pyrolysis GC method and pyrolysis GC / MS method, it is necessary to find out the composi...

Claims

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Application Information

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IPC IPC(8): G01N30/88C09D127/12G01N30/06G01N30/72G01N30/86G01N33/44
CPCC09D127/12G01N30/06G01N30/72G01N30/86G01N30/88G01N33/44
Inventor 中岛阳司大岛直文佐藤秀一菅原雄介新田一裕荒井豪明笠原洁斋藤俊
Owner ASAHI GLASS CO LTD
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