WO2022123678A1 - 塗膜評価構造体および評価方法 - Google Patents
塗膜評価構造体および評価方法 Download PDFInfo
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- WO2022123678A1 WO2022123678A1 PCT/JP2020/045813 JP2020045813W WO2022123678A1 WO 2022123678 A1 WO2022123678 A1 WO 2022123678A1 JP 2020045813 W JP2020045813 W JP 2020045813W WO 2022123678 A1 WO2022123678 A1 WO 2022123678A1
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- Prior art keywords
- coating film
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- evaluation structure
- sheets
- film evaluation
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- 239000011248 coating agent Substances 0.000 title claims abstract description 144
- 238000000576 coating method Methods 0.000 title claims abstract description 144
- 238000011156 evaluation Methods 0.000 title claims abstract description 56
- 239000010410 layer Substances 0.000 claims description 31
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 12
- 239000012790 adhesive layer Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 239000003086 colorant Substances 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000002861 polymer material Substances 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- 239000004640 Melamine resin Substances 0.000 claims description 3
- -1 alkyl silicate Chemical compound 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 239000004611 light stabiliser Substances 0.000 claims description 3
- 229920006122 polyamide resin Polymers 0.000 claims description 3
- 239000004645 polyester resin Substances 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000009719 polyimide resin Substances 0.000 claims description 3
- 229920005749 polyurethane resin Polymers 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 24
- 239000003973 paint Substances 0.000 description 11
- 238000005259 measurement Methods 0.000 description 10
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 229920006267 polyester film Polymers 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000221535 Pucciniales Species 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
Definitions
- the present invention relates to a coating film evaluation structure and an evaluation method for evaluating a coating film.
- the paint is applied to the surfaces of buildings such as bridges, houses, and buildings, as well as the hulls of ships, aircraft, automobile bodies, and home appliances to prevent these deteriorations due to corrosion, ultraviolet rays, and weathering.
- Paint is not limited to metal, but many materials such as concrete, wood, and plastic are targeted.
- the coating film itself is also deteriorated by ultraviolet rays and water, the protection property of the coating film gradually decreases over time. For this reason, in infrastructure equipment such as steel towers and bridges, inspection work is carried out to measure the coating film thickness with a film thickness meter in order to confirm that sufficient film thickness remains to protect the object to be coated. There is.
- the film thickness measurement result of the coating film is one of the important indicators for maintenance such as repainting.
- the film thickness measurement is generally performed by an electromagnetic type (electromagnetic induction type) or eddy current type film thickness meter.
- electromagnetic electromagnetic induction type
- eddy current type film thickness meter it is important to press the measurement probe perpendicularly to the measurement target in order to obtain measurement accuracy.
- the electromagnetic type (electromagnetic induction type) or eddy current type film thickness meter can measure only the portion to which the measuring probe is pressed (Patent No. 6222396).
- the present invention has been made to solve the above problems, and an object of the present invention is to make it easier to evaluate the film thickness of a coating film.
- the coating film evaluation structure according to the present invention is a coating film evaluation structure for evaluating a decrease in the thickness of the coating film to be evaluated, and includes a laminated body composed of a plurality of laminated sheets, and is laminated. In the body, the area of each sheet is gradually reduced in the stacking direction, and a stepped portion is provided at the end. Each is known for its thickness.
- the evaluation method according to the present invention is a coating film evaluation method for evaluating a decrease in the thickness of the coating film to be evaluated using the above-mentioned coating film evaluation structure, and is a structure in which the coating film to be evaluated is formed.
- the area of each sheet of the laminated body composed of the plurality of laminated sheets is gradually reduced in the laminating direction to provide a stepped portion at the end. Since the coating film to be evaluated and the plurality of sheets have different colors, the film thickness of the coating film can be evaluated more easily.
- FIG. 1 is a cross-sectional view showing the configuration of a coating film evaluation structure according to an embodiment of the present invention.
- FIG. 2 is a plan view showing a partial configuration of the coating film evaluation structure according to the embodiment of the present invention.
- FIG. 3 is a flowchart illustrating an evaluation method according to an embodiment of the present invention.
- This coating film evaluation structure is for evaluating a decrease in the thickness of the coating film to be evaluated.
- This coating film evaluation structure includes a laminated body 101 composed of a laminated first sheet 111, a second sheet 112, and a third sheet 113.
- a laminated body 101 composed of a laminated first sheet 111, a second sheet 112, and a third sheet 113.
- Each of these plurality of sheets is known for its thickness.
- each of the first sheet 111, the second sheet 112, and the third sheet 113 has a thickness of 20 ⁇ m.
- the second sheet 112 is arranged on the first sheet 111, and the third sheet 113 is arranged on the second sheet. Further, the second sheet 112 is arranged in contact with the first sheet 111, and the third sheet 113 is arranged in contact with the second sheet.
- three sheets are laminated, but the present invention is not limited to this, and two sheets may be laminated to form a laminated body, and four or more sheets may be laminated to form a laminated body. You can also.
- the area of each sheet of the laminated body 101 is gradually reduced in the laminating direction, and the laminated body 101 is provided with a stepped portion at the end.
- the area of the second sheet 112 is smaller than that of the first sheet 111
- the area of the third sheet 113 is smaller than that of the second sheet 112.
- the first sheet 111 is a square with a side of 6 cm in a plan view
- the second sheet 112 is a square with a side of 4 cm in a plan view
- the third sheet 113 is a square with a side of 2 cm in a plan view. It can be a square.
- each sheet is not limited to a rectangle such as a square, but may be any shape such as a circle or an ellipse. It is preferable that the shapes of the respective sheets in a plan view are similar to each other from the viewpoint of ease of confirmation at the time of exposure.
- a stepped portion can be formed at the end of the laminated body.
- a sheet having a small area can be arranged in the center of a sheet having a large area so that a stepped portion is formed over the entire circumference of the laminated body.
- the coating film to be evaluated and multiple sheets have different colors. For example, these colors are different so that they can be visually confirmed. For example, when the color of the coating film to be evaluated is gray, the color of the first sheet 111 may be red, the color of the second sheet 112 may be green, and the color of the third sheet 113 may be blue.
- Each of the plurality of sheets shall be composed of a polymer material containing any one of a hydroxyl group, an amino group, a carboxy group, a carbonyl group, an ether bond, an ester bond, a urethane bond, a urea bond, an aromatic ring, an amide bond, and an imide bond.
- the polymer material is, for example, polyester resin, polyurethane resin, acrylic resin, fluororesin, silicone resin, alkyl silicate, acrylic silicate, acrylic styrene resin, styrene resin, melamine resin, polyamide resin, polyimide resin, or any of these. It can be a complex.
- each of the plurality of sheets may be added with at least one of an ultraviolet absorber and a light stabilizer.
- this coating film evaluation structure can include a coating film layer 102 formed by covering another sheet on the sheet having the largest area of a plurality of sheets and having a flat surface.
- the coating film layer 102 is made of the same material as the coating film to be evaluated.
- the adhesive layer 103 formed on the back surface of the sheet having the largest area of the plurality of sheets can be provided. In this example, the adhesive layer 103 is formed on the back surface of the first sheet 111.
- the coating film layer 102 is formed on at least the first sheet 111, covering the second sheet 112 and the third sheet 113. Further, although not shown, the coating film layer 102 can be formed by covering the laminated body 101 composed of the first sheet 111, the second sheet 112, and the third sheet 113 on the adhesive layer 103. .. In either case, it is assumed that the surface of the coating film layer 102 is formed flat by absorbing the step caused by the laminated body 101.
- the coating film evaluation structure according to the above-described embodiment is used by arranging it in the vicinity of a structure such as a building on which the coating film to be evaluated is formed, for example.
- a structure such as a building on which the coating film to be evaluated is formed, for example.
- the thickness of the coating film layer 102 decreases due to the influence of the environment, and if the laminated body 101 is exposed, this state can be observed, and the thickness of the coating film layer 102 becomes observable. Can be seen to have decreased.
- the coating film evaluation structure according to the above-described embodiment is installed in the vicinity of the structure on which the coating film to be evaluated is formed.
- the second step S102 after this, the exposed state of the plurality of sheets (first sheet 111, second sheet 112, third sheet 113) due to the decrease in the thickness of the coating film layer 102 is determined by the plurality of sheets. By confirming the color, the decrease in the thickness of the coating film to be evaluated is evaluated.
- the blue color of the third sheet 113 can be visually confirmed. If so, it can be seen that the thickness of the coating film layer 102 is reduced by at least 40 ⁇ m.
- the coating film to be evaluated in the vicinity of the coating film evaluation structure is also about 40 ⁇ m. It can be judged (evaluated) that the thickness has decreased.
- the wear state of the coating film to be evaluated can be visually confirmed, for example, so that the inspection work can be performed as compared with the prior art. It is possible to significantly reduce the time, and it becomes easier to evaluate the film thickness of the coating film.
- the thickness of the sheet it is possible to easily determine whether or not repainting is necessary from the exposed state (exposed state) of the laminated body 101.
- the exposure status of the laminated body 101 can be confirmed by an image taken by a camera or the like. For example, it is possible to automatically (mechanically) determine (determine) the exposure status of the laminated body 101 by processing an image taken by a camera or the like. Since it is possible to confirm with such an image, for example, by using a drone equipped with a photographing device such as a camera, it is possible to evaluate the coating film to be evaluated without the operator approaching the measurement point.
- a 20 ⁇ m-thick polyester film colored in red was cut into a square with a side length of 6 cm to form the first sheet 111. Further, a green-colored polyester film having a thickness of 20 ⁇ m was cut into a square having a side length of 4 cm to obtain a second sheet 112. Further, a polyester film having a thickness of 20 ⁇ m colored in blue was cut into a square having a side length of 2 cm to obtain a third sheet 113. Further, the adhesive film was cut into a square having a side length of 6 cm to obtain an adhesive layer 103.
- the first sheet 111 was attached by stacking it on the adhesive layer 103 in a state where there was no deviation in a plan view. Further, the second sheet 112 and the third sheet 113 were superposed on the first sheet 111 so that their centers overlap each other in a plan view to form a laminated body 101. Next, a thick film type epoxy resin paint was applied onto the first sheet 111 to form a coating film layer 102 covering the second sheet 112 and the third sheet 113. In this state, the second sheet 112 and the third sheet 113 are covered with the coating film layer 102 and cannot be confirmed (visually) from the outside.
- a steel plate having a size of 7 cm ⁇ 15 cm in a plan view was prepared, and two coating test pieces were prepared by applying a thick film type epoxy resin paint on the surface thereof so as to have a film thickness of 120 ⁇ m.
- the above-mentioned coating film evaluation structure was attached to one of the produced coating test pieces using the adhesive layer 103.
- the other coating test piece produced was used for comparison.
- the above-mentioned two coating test pieces were subjected to a weather resistance test based on "JIS K 5600-7-7-A" for 9000 hours.
- a weather resistance test based on "JIS K 5600-7-7-A" for 9000 hours.
- two coating test pieces were taken out from the test environment every 1000 hours of the test time, the appearance of the coating film evaluation structure was observed, and in addition, a comparative electromagnetic film thickness meter was used for comparison. The thickness of the coating film on the coating test piece was measured.
- the exposure of the blue sheet (first sheet 111) was confirmed in the test time of 5000 hours. This indicates that the thickness of the coating film layer 102 has been reduced by 40 ⁇ m.
- the amount of wear of the coating film of the comparative coating test piece measured at a test time of 5000 hours was 43 ⁇ m.
- the exposure of the green sheet (second sheet 112) was confirmed in the test time of 7,000 hours. This indicates that the thickness of the coating film layer 102 has been reduced by 60 ⁇ m.
- the amount of wear of the coating film of the comparative coating test piece measured at a test time of 7,000 hours was 62 ⁇ m.
- the exposure of the red sheet (third sheet 113) was confirmed in the test time of 9000 hours. This indicates that the thickness of the coating film layer 102 has been reduced by 80 ⁇ m.
- the amount of wear of the coating film of the comparative coating test piece measured at a test time of 9000 hours was 82 ⁇ m.
- the amount of wear of the coating film to be evaluated and the actual coating film to be evaluated are evaluated from the observation results by observing the appearance of the coating film evaluation structure under the conditions of the test times of 5000 hours, 7000 hours, and 9000 hours.
- the amount of wear was almost the same. From this result, it was confirmed that the wear state of the film thickness of the coating film to be evaluated can be evaluated by observing the appearance of the coating film evaluation structure.
- ⁇ E * ab is a notation of color difference defined by the International Commission on Illumination.
- the material constituting the sheet can be any material, but if the sheet rusts, it becomes difficult to check the exposed state of the sheet. Therefore, it is preferable that the sheet does not contain metal. Is.
- the coating film evaluation structure is made of a flexible material so that it can be attached to a curved surface by using an adhesive layer.
- the sheet material is high. It is preferable to use a molecular material.
- a functional group having polarity such as a hydroxyl group, an amino group, a carboxy group, a carbonyl group, an ether bond, an ester bond, a urethane bond, a urea bond, an amide bond, or an imide bond is required.
- a polymer material containing a group or an aromatic ring is more preferable.
- the sheet is also exposed to ultraviolet rays as the coating film to be evaluated and the coating film layer are depleted.
- the wear of the sheet is faster than the wear of the coating film, the sheet closer to the adhesive layer is exposed at the part where the sheet is worn, not at the part where the paint film is worn, and the evaluation is made. Leads to mistakes. From these facts, it is desirable that the sheet has better light resistance than the coating film layer. In order to ensure the light resistance of the sheet, it is desirable to add at least one of an ultraviolet absorber or a light stabilizer to the sheet.
- the polymer material constituting the sheet is a polyester resin, a polyurethane resin, an acrylic resin, a fluorine resin, a silicone resin, and an alkyl rather than a resin such as an epoxy resin which is easily deteriorated by ultraviolet rays.
- a single or composite of silicate, acrylic silicate, acrylic styrene resin, styrene resin, melamine resin, polyamide resin, and polyimide resin is suitable.
- the edges of the coating film are vulnerable to physical impacts such as hitting objects, and the coating film is prone to wear and partial peeling.
- the coating film layer becomes thicker toward the edges.
- the coating film evaluation structure according to the above-described embodiment has a configuration in which the area of each sheet constituting the laminate embedded in the coating film layer is gradually reduced in the lamination direction, and a stepped portion is provided at the end. Therefore, the coating film layer has a thicker structure toward the edges, and the above-mentioned wear and partial peeling of the coating film can be prevented.
- the coating film evaluation structure of the present invention By attaching the coating film evaluation structure of the present invention to or near a bridge or an iron tower on which a coating film is formed, it is possible to evaluate the state of film thickness wear. It is desirable that the sticking place is a place where deterioration easily progresses, such as a place on the south side where sunlight is easily exposed and a place where it is easy to get wet such as rain.
- the film can be arranged at a predetermined depth.
- the decrease in the thickness of the coating film to be evaluated can be evaluated by confirming the exposure of the laminate due to the wear of the coating film of the actual infrastructure equipment.
- the target coating film and the coating film layer of the coating film evaluation structure are composed of the same paint film.
- the coating film layer is formed with the same coating specifications.
- Coating film evaluation Set the coating film layer of the structure and the thickness of each sheet. This makes it possible to easily determine whether or not repainting is necessary from the exposure status of each sheet.
- the target is a structure coated with an ultra-thick film type epoxy resin paint by 500 ⁇ m
- a test piece obtained by thinning the film thickness of the ultra-thick film type epoxy resin paint to 100 ⁇ m, 200 ⁇ m, etc. is separately prepared. These can be subjected to an accelerated corrosion test or the like to evaluate whether or not they have the desired durability, and the amount of wear required for repainting can be determined.
- the area of each sheet of the laminated body composed of the plurality of laminated sheets constituting the coating film evaluation structure is gradually reduced in the laminating direction to form a stepped shape at the end. Since the coating film to be evaluated and the plurality of sheets have different colors, the film thickness of the coating film can be evaluated more easily.
- 101 laminated body, 102 ... coating film layer, 103 ... adhesive layer, 111 ... first sheet, 112 ... second sheet, 113 ... third sheet.
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Abstract
Description
以下、実験の結果を用いてより詳細に説明する。
Claims (8)
- 評価対象の塗膜の厚さの減少を評価するための塗膜評価構造体であって、
積層された複数のシートから構成された積層体を備え、
前記積層体は、各々のシートの面積が、積層方向に徐々に小さくされ、端部に階段状の部分を備え、
評価対象の塗膜と、前記複数のシートは、各々異なる色とされ、
前記複数のシートの各々は、厚さが既知とされていることを特徴とする塗膜評価構造体。 - 請求項1記載の塗膜評価構造体において、
平面視で、面積の小さいシートは、面積の大きいシートの中央部に配置されていることを特徴とする塗膜評価構造体。 - 請求項1または2記載の塗膜評価構造体において、
前記複数のシートの各々は、水酸基、アミノ基、カルボキシ基、カルボニル基、エーテル結合、エステル結合、ウレタン結合、ウレア結合、芳香環、アミド結合、イミド結合のいずれかを含む高分子材料から構成されていることを特徴とする塗膜評価構造体。 - 請求項3記載の塗膜評価構造体において、
前記複数のシートの各々は、紫外線吸収剤および光安定剤の少なくとも一方が添加されていることを特徴とする塗膜評価構造体。 - 請求項3または4記載の塗膜評価構造体において、
高分子材料は、ポリエステル樹脂、ポリウレタン樹脂、アクリル樹脂、ふっ素樹脂、シリコーン樹脂、アルキルシリケート、アクリルシリケート、アクリルスチレン樹脂、スチレン樹脂、メラミン樹脂、ポリアミド樹脂、ポリイミド樹脂のいずれか、またはこれらの複合体であることを特徴とする塗膜評価構造体。 - 請求項1~5のいずれか1項に記載の塗膜評価構造体において、
前記複数のシートの最も大きい面積のシートの上で、他のシートを覆って形成され、表面が平坦に形成された塗膜層をさらに備え、
前記塗膜層は、評価対象の塗膜と同一の材料から構成されていることを特徴とする塗膜評価構造体。 - 請求項6記載の塗膜評価構造体において、
前記複数のシートの最も大きい面積のシートの裏面に形成された接着層をさらに備えることを特徴とする塗膜評価構造体。 - 請求項6または7の塗膜評価構造体を用いた、評価対象の塗膜の厚さの減少を評価する塗膜評価方法であって、
評価対象の塗膜が形成されている構造体の近傍に、前記塗膜評価構造体を設置する第1ステップと、
前記第1ステップの後で、前記塗膜層の厚さの減少による前記複数のシートの露出状態を、前記複数のシートの色を確認することで評価する第2ステップと
を備えることを特徴とする塗膜評価方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2020/045813 WO2022123678A1 (ja) | 2020-12-09 | 2020-12-09 | 塗膜評価構造体および評価方法 |
JP2022567940A JP7473011B2 (ja) | 2020-12-09 | 2020-12-09 | 塗膜評価構造体および評価方法 |
US18/256,246 US20240102797A1 (en) | 2020-12-09 | 2020-12-09 | Coating Film Evaluation Structure and Evaluation Method |
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PCT/JP2020/045813 WO2022123678A1 (ja) | 2020-12-09 | 2020-12-09 | 塗膜評価構造体および評価方法 |
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JP2009196736A (ja) * | 2008-02-19 | 2009-09-03 | Toshiba Elevator Co Ltd | 乗客コンベア用踏段 |
CN102616088A (zh) * | 2011-01-27 | 2012-08-01 | 建大工业股份有限公司 | 防穿刺外胎及其制造方法以及防穿刺轮胎、轮式车辆 |
JP2013095189A (ja) * | 2011-10-28 | 2013-05-20 | Bridgestone Corp | タイヤ |
JP2015531843A (ja) * | 2012-08-17 | 2015-11-05 | シーメンス アクティエンゲゼルシャフト | ターボ機械コンポーネントマーキング |
JP2019045313A (ja) * | 2017-09-01 | 2019-03-22 | 本州四国連絡高速道路株式会社 | 構造物の塗膜消耗量測定方法 |
US20200108668A1 (en) * | 2019-10-07 | 2020-04-09 | Saar Wein | Tire longevity measurement system and method |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009196736A (ja) * | 2008-02-19 | 2009-09-03 | Toshiba Elevator Co Ltd | 乗客コンベア用踏段 |
CN102616088A (zh) * | 2011-01-27 | 2012-08-01 | 建大工业股份有限公司 | 防穿刺外胎及其制造方法以及防穿刺轮胎、轮式车辆 |
JP2013095189A (ja) * | 2011-10-28 | 2013-05-20 | Bridgestone Corp | タイヤ |
JP2015531843A (ja) * | 2012-08-17 | 2015-11-05 | シーメンス アクティエンゲゼルシャフト | ターボ機械コンポーネントマーキング |
JP2019045313A (ja) * | 2017-09-01 | 2019-03-22 | 本州四国連絡高速道路株式会社 | 構造物の塗膜消耗量測定方法 |
US20200108668A1 (en) * | 2019-10-07 | 2020-04-09 | Saar Wein | Tire longevity measurement system and method |
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