CN113008981A - Anti-transfer notepad, preparation method and application - Google Patents
Anti-transfer notepad, preparation method and application Download PDFInfo
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- CN113008981A CN113008981A CN202110169028.8A CN202110169028A CN113008981A CN 113008981 A CN113008981 A CN 113008981A CN 202110169028 A CN202110169028 A CN 202110169028A CN 113008981 A CN113008981 A CN 113008981A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Measurement Of Radiation (AREA)
Abstract
The invention discloses an anti-transfer notepad, a preparation method and application, and belongs to the technical field of ray detection. An anti-transfer notepad comprises a disposable bonding layer, a shielding layer, a packing layer and a cover plate which are sequentially stacked. The anti-transfer notepad provided by the invention adopts the disposable bonding layer, and because the bonding strength is high and the material strength of the bonding layer is low, if transfer is attempted, the damage of the disposable bonding layer can be caused, and further, the transfer of the notepad is avoided; the shielding layer has the function of blocking the penetration of rays, so that the shielding layer has a positioning function in the process of detecting the rays, is beneficial to strengthening the supervision on the detection work of the rays and improves the working efficiency; the filler layer comprises a thermosetting material, is crisp in texture and easy to break, and further improves the anti-transfer property of the notepad.
Description
Technical Field
The invention belongs to the technical field of radiographic inspection, and particularly relates to an anti-transfer notepad, a preparation method and application.
Background
The ray detection is also called as radiographic inspection, and commonly used rays include X rays and gamma rays, and the principle of the method is that the rays can penetrate through materials such as metal and the like and form images on the surface of a receiving object (film imaging); and the imaging effect (the absorption and scattering of the ray by the detected material) is related to the thickness and the material of the material, whether the defect exists at the detection point or not and other factors, so that the internal defect condition of the material can be judged through the imaging result of the surface of the receiving object.
Ray detection has been applied to various building structures, such as quality detection of welding positions of pipes. Ray detection has certain technical difficulty and needs to be carried out by professional personnel. In actual detection, as part of detection sites are not easy to approach and need to climb, the detection difficulty is high, and the condition of missed detection may exist under the condition that an operator does not strictly comply with the operation standard. The problem that a certain bit point is repeatedly detected and a part of difficult bit points are not detected often occurs.
In the related art, a note with a specific shielding pattern is usually attached near a point to be detected, and the position of the point to be detected can be marked by comparing the pattern on the film obtained after detection with the specific shielding pattern on the note. However, such notes are often transferable, and the following may occur: in order to reduce the detection difficulty, workers try to transfer the notepaper at the position difficult to detect to other positions so as to obtain films corresponding to the specific shielding patterns on the notepaper with equal number of copies, but the position difficult to detect does not carry out flaw detection, and potential safety hazards are left.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art described above. Therefore, the anti-transfer notepad provided by the invention can mark the detection sites, can prevent the same notepad from being transferred to different detection sites for use, and avoids the problems of repetition and omission of the detection sites.
In a second aspect of the invention, a preparation method of the anti-transfer notepad is provided.
The third aspect of the invention also provides an application of the anti-transfer notepad in the technical field of ray detection.
According to one aspect of the invention, the anti-transfer notepad comprises a disposable bonding layer, a shielding layer, a filler layer and a cover plate which are sequentially stacked.
According to a preferred embodiment of the present invention, at least the following advantages are provided:
(1) the disposable bonding layer adopted by the invention has high bonding strength and low bonding layer material strength, so if transfer is attempted, the disposable bonding layer is damaged, and the transfer of the notepaper is further avoided.
(2) The shielding layer adopted by the invention has the function of blocking the penetration of rays, so that the shielding layer has the function of positioning in the process of detecting the rays, is beneficial to strengthening the supervision of the ray detection work and improves the work efficiency.
(3) The filler layer adopted by the invention comprises a thermosetting material, and after thermosetting, the texture is brittle and easy to break, so that the anti-transfer property of the notepad is further improved.
In some embodiments of the present invention, the anti-transfer notepad further comprises a release layer disposed on the surface of the disposable adhesive layer.
In some embodiments of the present invention, the release layer is at least one of UV gloss oil paper and silicone oil paper.
In some embodiments of the present invention, the disposable adhesive layer is a composite layer composed of one or two of a foam double-faced adhesive tape and a pearl double-faced adhesive tape.
The disposable bonding layer has strong bonding property and is easy to break, so that the disposable bonding layer is difficult to remove and transfer once being attached to the surface of an object.
In some embodiments of the present invention, the shielding layer is not a full-coverage shielding layer, and thus a specific pattern can be formed on the receiver.
In some embodiments of the present invention, the shielding layer is a composite layer formed by one or more of a lead-containing coating, a lead-containing glass plate and a lead-containing metal foam.
In some preferred embodiments of the present invention, the shielding layer is at least one of a leaded glass plate and a leaded metal foam.
In some further preferred embodiments of the present invention, the shielding layer is a 0.3mm to 0.5mm thick leaded glass plate.
The lead-containing glass plate can shield the penetration of rays, and when the anti-transfer notepad is used for ray detection, an image can be formed on a receiver (generally a film coated with silver iodide) to play a role in positioning.
The lead-containing glass plate can also play a role in preventing transfer, and because the glass is fragile, when the transfer-preventing notepaper attached to the surface of an object is removed, the lead-containing glass plate is very easy to break, and even if the lead-containing glass plate is transferred and applied to other positions, a complete pattern cannot be formed on the bottom plate.
In some embodiments of the present invention, the filler layer is prepared from raw materials including a thermosetting resin and a catalyst.
The thermosetting resin can form a hard and fragile filler layer after thermosetting under the action of the catalyst, and can play a role of preventing transfer as the same as the lead-containing glass plate.
The filler layer can also play a role in fixing and protecting the shielding layer.
In some embodiments of the invention, the cover plate is a polyimide film.
Before the anti-transfer notepad is used, the cover plate is used for protecting the anti-transfer notepad from being damaged.
After the anti-transfer notepad is used, the cover plate is used for preventing transfer, and the action mechanism is that the bonding strength of the cover plate and the filler layer is lower than that of the disposable bonding layer and the detected surface, so that if the anti-transfer notepad is tried to be transferred, the cover plate can be separated from other layers of the anti-transfer notepad, and the other layers are extremely easy to break, so that transfer can be prevented on one hand, and a supervisor can be prompted on the other hand.
According to another aspect of the invention, a preparation method of the transfer-proof note is provided, which comprises the following steps:
s1, arranging the shielding layer on the surface of the disposable bonding layer;
s2, arranging the catalyst on the surface of the shielding layer, and arranging a first protective layer on the surface of the catalyst;
s3, arranging the thermosetting resin on the surface of the cover plate, and arranging a second protective layer on the surface of the thermosetting resin;
and S4, removing the first protective layer and the second protective layer, bonding one side surface of the catalyst with one side surface of the thermosetting resin, and performing heat treatment to obtain the anti-transfer notepad.
The preparation method according to a preferred embodiment of the present invention has at least the following advantageous effects:
(1) according to the preparation method provided by the invention, the thermosetting resin and the catalyst of the filler layer are separately arranged, and the thermosetting resin and the catalyst are combined when in use, so that the advanced curing of the filler layer is avoided, and further the failure of the anti-transfer notepad caused in the transportation and storage processes is avoided.
(2) The first protective layer arranged in the preparation method is made of a material with certain rigidity, so that the bending of the part obtained in the step S2 in the transportation and storage processes is avoided, and the integrity of the shielding layer is further protected.
In some embodiments of the present invention, in step S1, the shielding layer is disposed by at least one of printing, coating, and adhering.
In some preferred embodiments of the present invention, in step S1, the shielding layer is a lead-containing coating layer disposed in a printing or coating manner.
In some preferred embodiments of the present invention, in step S1, the shielding layer is a leaded glass plate or a leaded metal foam which is adhesively bonded to the surface of the disposable bonding layer.
In step S2, the catalyst layer is in the form of powder or liquid, and wraps and fills around the shielding layer, and can play a role in protecting the shielding layer during the transferring process.
In some embodiments of the present invention, in step S2, the material of the first protection layer is at least one of polymethyl methacrylate, polyethylene and polyethylene terephthalate.
The first protective layer is made of a material with certain rigidity, and the integrity of the shielding layer can be protected.
In some embodiments of the present invention, in step S4, the temperature of the heat treatment is 100 ℃ to 150 ℃.
According to a third aspect of the invention, the application of the anti-transfer notepad in the technical field of ray detection is provided.
In some embodiments of the present invention, the anti-transfer memo pad is applied to the technical field of radiation detection by the following method:
D1. removing the first protective layer and the second protective layer, and bonding the catalyst-side surface and the thermosetting resin-side surface;
D2. removing the release layer, and attaching the disposable bonding layer to the position near the ray detection part;
D3. performing the heat treatment on the anti-transfer notepad;
D4. and placing the part to be detected between a ray source and a silver iodide film, carrying out ray detection, and collecting the silver iodide film.
In some embodiments of the present invention, in step D4, the image on the silver iodide film may show the defect level of the detection point.
Drawings
The invention is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic structural view of a part obtained in step S2 of example 1 of the present invention;
FIG. 2 is a schematic structural view of a part obtained in step S3 according to example 1 of the present invention;
fig. 3 is a schematic structural diagram of an application example.
Reference numerals:
100: a release layer;
200: a disposable tie layer;
300: a shielding layer;
400: filler layer, 401: catalyst, 402: a thermosetting resin;
500: a cover plate;
600: a first protective layer;
700: a second protective layer;
800: a component to be inspected.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present numbers, and the above, below, within, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Example 1
The anti-transfer notepad is prepared in the embodiment, and the specific process is as follows:
s1, adhering a lead-containing glass plate with the thickness of 0.3mm serving as a shielding layer 300 to the surface of one side, far away from a release layer 100, of a disposable bonding layer 200 made of foam double-sided adhesive, wherein the mass content of lead in the lead-containing glass plate is 15% and the lead is purchased from Zhengzhou mountain water radiation-proof material Co., Ltd;
s2, arranging a catalyst 401 (benzoyl peroxide, CAS number: 94-36-0) on the surface of the shielding layer, and arranging a first protective layer 600 made of organic glass on the surface of the catalyst;
s3, arranging thermosetting acrylic resin 402 on the surface of the cover plate 500 made of polyimide, and arranging a second protective layer 800 on the surface of the cover plate.
Wherein, the structural schematic diagram of the component obtained in step S2 is shown in fig. 1;
the structural schematic diagram of the component obtained in step S3 is shown in fig. 2.
Example 2
The embodiment prepares the anti-transfer notepad, and the specific process is different from that of embodiment 1:
(1) in step S1, a coating layer with a thickness of 300 μm and formed by lead-containing ink is coated on the surface of the one-time bonding layer to be used as a shielding layer.
Application example 1
In the application example, the transfer-preventing notepad obtained in the embodiment 1-2 is applied to the X-ray detection process, and the specific process is as follows:
D1. removing the first protective layer 600 of step S2 and the second protective layer 700 of step S3, and bonding the catalyst 401 side surface and the thermosetting resin 402 side surface;
D2. removing the release layer 100, and attaching the disposable adhesive layer 200 to the vicinity of the component to be subjected to radiation detection 800;
D3. after the anti-transfer notepad is subjected to heat treatment at 150 ℃, a catalyst 401 and thermosetting resin 402 react to generate a filler layer 400;
D4. the part 800 to be detected is placed between the radiation source and the silver iodide film for radiographic detection, and the silver iodide film is collected.
The anti-transfer notepad of this application example is schematically shown in fig. 3.
Test example 1
The test example tested the transfer prevention degree of the transfer prevention memo attached to the vicinity of the part to be detected in the application example.
Wherein, the damage condition of the disposable bonding layer (the condition is judged according to the national standard document numbered GB/T16997-1997) and the crushing condition of other parts (the shielding layer and the filler layer) are mainly characterized, 100 parallel tests are carried out in each group, and the damage condition is counted. The test results are shown in table 1.
Table 1 transfer prevention degree of the transfer prevention memo pad.
The results in table 1 show that the anti-transfer notepad prepared by the invention has an excellent anti-transfer function in the practical application process, and can hardly be completely transferred from the surface of an adhered part, so that the problems of repeated detection, omission of monitoring and the like in the radiographic detection process are avoided.
Test example 2
In the experimental example, the pattern on the silver iodide film obtained in the step D4 was tested to determine the ray shielding function of the transfer-preventing note obtained in the present invention.
At a luminance of 100000cd/m2And D4, whether a shielding pattern corresponding to the anti-transfer notepad exists on the silver iodide film obtained in the step D4 is observed. The observation results are shown in table 2.
Table 2 pattern on silver iodide film obtained in step D4.
| Detailed Description | Example 1 | Example 2 |
| Whether there is a pattern/whether it is clear | Clear and complete pattern | Clear and complete pattern |
The results in table 2 show that the anti-transfer notepad provided by the invention has excellent marking performance, which can further improve the working efficiency.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (10)
1. An anti-transfer notepad is characterized by comprising a disposable bonding layer, a shielding layer, a filler layer and a cover plate which are sequentially stacked.
2. The anti-transfer notepad of claim 1, wherein the disposable adhesive layer is a composite layer composed of one or two of foam double faced adhesive tape and pearl double faced adhesive tape.
3. The anti-transfer notepad of claim 1, wherein the shielding layer is a composite layer formed by one or more of a lead-containing coating, a lead-containing glass plate and a lead-containing metal foam.
4. The anti-transfer note according to claim 1, wherein the filler layer is prepared from a material comprising a thermosetting resin and a catalyst.
5. The anti-transfer note according to claim 1, wherein said cover sheet is a polyimide film.
6. The preparation method of the transfer-proof note according to any one of claims 1-5, characterized by comprising the following steps:
s1, arranging the shielding layer on the surface of the disposable bonding layer;
s2, arranging a catalyst on the surface of the shielding layer, and arranging a first protective layer on the surface of the catalyst;
s3, setting thermosetting resin on the surface of the cover plate, and setting a second protective layer on the surface of the thermosetting resin;
and S4, removing the first protective layer and the second protective layer, bonding one side surface of the catalyst with one side surface of the thermosetting resin, and performing heat treatment to obtain the anti-transfer notepad.
7. The method of claim 6, wherein in step S1, the shielding layer is provided by at least one of printing, coating, and adhering.
8. The method according to claim 6, wherein in step S2, the first protective layer is made of at least one of polymethyl methacrylate, polyethylene and polyethylene terephthalate.
9. The method according to claim 6, wherein the heat treatment is performed at 100 to 150 ℃ in step S4.
10. Application of the anti-transfer notepad of any one of claims 1 to 5 in the technical field of radiation detection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110169028.8A CN113008981A (en) | 2021-02-07 | 2021-02-07 | Anti-transfer notepad, preparation method and application |
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| CN202110169028.8A CN113008981A (en) | 2021-02-07 | 2021-02-07 | Anti-transfer notepad, preparation method and application |
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| CN202110169028.8A Pending CN113008981A (en) | 2021-02-07 | 2021-02-07 | Anti-transfer notepad, preparation method and application |
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