阅读说明：本技术 一种防静电耐磨的pet医用胶片 (Antistatic wear-resistant PET medical film ) 是由 陈茂毅 蒋丽娜 于 2021-10-28 设计创作，主要内容包括：本发明公开了一种防静电耐磨的PET医用胶片以及制备方法,胶片采用PET保护膜为片基,片基正面涂布感光层,背面涂布抗光晕层,其特征在于：所述片基涂布包括有感光层、防静电层和耐磨层,所述激光涂层作用于且包括有吸墨涂层、抗光晕层和显色层,通过在片基上涂布有防静电层,防静电层采用Clevios～(TM)导电聚合物涂布构成,能够在胶片的成影及存放的过程中起到很好的抗静电作用,以防止静电对影像成型造成损伤,有利于医生对病患作出更加科学的医学诊断,在片基上涂布有耐磨层,胶片表面呈半透明磨砂状,采用医疗图像时颜色会更加鲜艳,层次更分明,更有利于医生正确诊断,同时磨砂状的胶片不易打滑,手持不易出汗,能够提高医生的工作效率。(The invention discloses an antistatic wear-resistant PET medical film and a preparation method thereof, the film adopts a PET protective film as a film base, the front surface of the film base is coated with a photosensitive layer, and the back surface is coated with an antihalation layer, and the invention is characterized in that: the substrate coating comprises a photosensitive layer, an antistatic layer and a wear-resistant layer, the laser coating acts on and comprises an ink absorption coating, an anti-halation layer and a color development layer, the antistatic layer is coated on the substrate and adopts Clevios TM Coating the conductive polymer with a coating agentThe film becomes the shadow and the in-process of depositing plays fine antistatic effect to prevent that static from causing the damage to the image shaping, be favorable to the doctor to make more scientific medical diagnosis to the disease, coating has the wearing layer on the film base, and the film surface is the translucent dull polish form, and the colour can be more bright-colored when adopting medical image, and the level is more clear, more is favorable to the doctor to diagnose correctly, and the film of dull polish form is difficult for skidding simultaneously, and handheld difficult sweat can improve doctor's work efficiency.)

1. The utility model provides a prevent wear-resisting PET medical film of static, the film adopts the PET protection film as the film base, and the film base front coating photosensitive layer, back coating antihalation layer which characterized in that: the film base coating comprises a photosensitive layer, an antistatic layer and an abrasion-resistant layer, and the laser coating acts on and comprises an ink absorption coating, an anti-halation layer and a color development layer.

2. The antistatic and abrasion-resistant PET medical film as claimed in claim 1, wherein the photosensitive layer is formed by emulsion coating.

3. The antistatic and abrasion-resistant PET medical film as claimed in claim 1, wherein the antihalation layer contains colloidal silver, antihalation dye and carbon black.

4. The PET medical film with characteristics of static electricity resistance and wear resistance as claimed in claim 1, wherein the static electricity prevention layer is Clevios^TMConductive polymer coatingAnd (3) forming the fabric.

5. The PET medical film with antistatic and wear-resistant functions as claimed in claim 1, wherein the wear-resistant layer is composed of surface-frosted grains.

6. The antistatic and abrasion-resistant PET medical film as claimed in claim 1, wherein the thickness of the sheet substrate layer is 0.1mm-0.20 mm.

7. The antistatic and abrasion-resistant PET medical film as claimed in claim 1, wherein the ink-absorbing coating layer has a thickness of 0.005mm-0.01 mm.

8. The preparation method of the antistatic and wear-resistant PET medical film as claimed in claim 1, which is characterized by comprising the following steps:

the method comprises the following steps: selecting polyethylene terephthalate (PET) as a base material of the base piece;

step two: preparing a photosensitive emulsion to be coated as a photosensitive layer for standby:

step three: melting the material, adding various additives, filtering and standing;

step four: coating the substrate, and coating an antistatic layer, a laser coating and a wear-resistant layer;

step five, drying and collecting the slices after coating;

step six: and cutting and integrating the dried film.

Technical Field

The invention relates to the technical field of films, in particular to an antistatic wear-resistant PET medical film.

Background

The film can be classified into a blue-sensitive X-ray film, a green-sensitive X-ray film, a CT film, a laser film, a mammary gland film, an infrared laser film, a helium-neon laser film, a dry thermal printing film and the like according to the purpose of the film, and the medical film is a film for medical imaging, is mainly applied to departments such as B-ultrasonic and the like, and is also classified into a common film and a high-definition film.

However, in the field of medical imaging at present, a lot of images are output, and the application of the film brings great convenience to medical treatment, but the general film does not have the characteristics of static electricity resistance and wear resistance and is not beneficial to scientific medical diagnosis, so that the medical film with static electricity resistance and wear resistance can be more scientifically applied to the field of medical diagnosis.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the anti-static wear-resistant PET medical film, the anti-static layer is arranged to play a role in static resistance, and the wear-resistant layer is arranged to enable the film to be more wear-resistant and not easy to break.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the anti-static wear-resistant PET medical film adopts a PET protective film as a film base, the front surface of the film base is coated with a photosensitive layer, the back surface of the film base is coated with an anti-halation layer, the film base is coated with the photosensitive layer, the anti-static layer and a wear-resistant layer, and the laser coating acts on and comprises an ink absorption coating, an anti-halation layer and a color development layer.

Preferably, the photosensitive layer is formed by coating a photosensitive emulsion.

Preferably, the antihalation layer contains colloidal silver, an antihalation dye and carbon black.

Preferably, the antistatic layer adopts Clevios^TMAnd coating conductive polymer.

Preferably, the wear resistant layer is composed of surface-frosted particles.

Preferably, the sheet base material layer has a thickness of 0.1mm to 0.20 mm.

Preferably, the ink-receptive coating has a thickness of 0.005mm to 0.01 mm.

Preferably, the preparation method of the antistatic wear-resistant PET medical film comprises the following steps:

the method comprises the following steps: selecting polyethylene terephthalate (PET) as a base material of the base piece;

step two: preparing a photosensitive emulsion to be coated as a photosensitive layer for standby:

step three: melting the material, adding various additives, filtering and standing;

step four: coating the substrate, and coating an antistatic layer, a laser coating and a wear-resistant layer;

step five, drying and collecting the slices after coating;

step six: and cutting and integrating the dried film.

(III) advantageous effects

Compared with the prior art, the invention provides an antistatic wear-resistant PET medical film and a preparation method thereof, and the PET medical film has the following beneficial effects:

1. the invention adopts Clevios as the antistatic layer coated on the base sheet^TMThe conductive polymer is coated, so that the film can play a good antistatic role in the process of imaging and storing the film, the image molding is prevented from being damaged by static electricity, and doctors can make more scientific medical diagnosis on patients.

2. According to the invention, the film base is coated with the wear-resistant layer, the wear-resistant layer is composed of surface frosted particles, the surface of the film is semitransparent frosted, the color is brighter when a medical image is adopted, the layers are clearer, the correct diagnosis of a doctor is facilitated, meanwhile, the frosted film is not easy to slip, is not easy to sweat when being held by a hand, and the working efficiency of the doctor can be improved.

3. The invention can prevent the strong light from reflecting back from the film base and make the photosensitive layer photosensitive again, thereby causing the fog and the blur of the image and playing the role of preventing the film from curling by coating the anti-halation layer on the film base.

Drawings

FIG. 1 is a schematic block diagram of the present invention;

FIG. 2 is a schematic diagram of the operation steps of the present invention.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following describes an antistatic and wear-resistant PET medical film and a preparation method thereof in further detail with reference to the accompanying drawings.

Referring to fig. 1-2, an antistatic and wear-resistant PET medical film, which uses a PET protective film as a substrate, the front surface of the substrate is coated with a photosensitive layer, the back surface is coated with an anti-halation layer, the substrate is coated with a photosensitive layer, an antistatic layer and a wear-resistant layer, and the laser coating acts on and comprises an ink-absorbing coating, an anti-halation layer and a color-developing layer;

wherein the photosensitive layer is formed by coating photosensitive emulsion, the wear-resistant layer is formed by frosted particles on the surface, and the antistatic layer is made of Clevios^TMThe conductive polymer is coated, and the antihalation layer contains colloidal silver, antihalation dye and carbon black, and the laser coating can coat the selected coating material on the surface of the film base, and the selected coating material is simultaneously melted with a thin layer on the surface of the base by laser irradiation, and the melted coating is quickly solidified to form a surface coating which has extremely low dilution and is metallurgically combined with the base material, and most films have no characteristics of wear resistance, pressure resistance, static electricity removal and the like in the field of current medical images, aiming at the defects, the invention uses polyethylene glycol terephthalate (PET) as the base material of the film base, and the film base is coated with the antistatic layer, the wear-resistant layer and the antihalation layer, so that the film has the characteristics of static electricity prevention, wear resistance, convenient storage and carrying and the like in actual use, and simultaneously the antistatic layer can ensure that the film is not easy to deform, and the imaging preservation time can be long by adopting the ink absorption coating, can write and leave the writing on the film surface, the film surface is semitransparent dull polish form simultaneously, the colour can be more bright-colored when adopting medical image, and the level is more clear, is more favorable to doctor's correct diagnosis, and the glue of dull polish form simultaneouslyThe sheet is not easy to slip, and is not easy to sweat when being held by a hand, so that the working efficiency of a doctor can be improved;

the laser coating acts on and including the blotting coating, anti-halation layer and color rendering layer, anti-halation layer on the film base coating, can prevent that strong light from going back from the film base reflection, make the photosensitive layer sensitization once more, thereby cause the fog of image fuzzy, play the effect that the film prevented curling simultaneously, the film that sets up more than adopting, the diagnosis is more directly perceived, it is more clear to form images, need not to see the film lamp, make and read the film time not by the restriction in time and space, medical personnel's eyestrain has been avoided.

The PET film is produced by multilayer coating, the surfaces of two sides of the film can be coated with nanoscale water-soluble polymer materials, the PET film is mainly used for printing and recording medical images and pictures, the traditional film is light-resistant and heat-resistant, the film can be blackened and yellow if placed for a long time or stored improperly, fog and secondary exposure effects are generated, waterproof operation is required during storage to prevent the film from losing the effect due to improper storage, but the medical film PET can be stored for a long time without exposure prevention and water prevention, and the antistatic layer and the wear-resistant layer are coated in the film base, so that the long-term storage is facilitated.

In the invention, the antistatic wearable PET medical film is coated with a photosensitive layer on the front surface, an anti-halation layer on the back surface and other layer bodies, has rich layers and good definition, and is suitable for different medical images such as: nuclear magnetic resonance imaging, tomograph, digital subtraction, isotope radiation, ultrasonic imaging and the like, and the film can be applied to high-temperature machine processing and can also be manually processed at normal temperature, and the optimal use environment of the film is 18-24 ℃ and 50-60% RH. When the film is taken out of or put into the package, artificial artifacts and static electricity caused by folding, gravity extrusion and friction between films are avoided, and in the process of contacting with the film, both hands are kept clean and dry, so that the contact between wet hands and the film is avoided.

The preparation method of the antistatic wear-resistant PET medical film comprises the following steps: selecting polyethylene terephthalate (PET) as a base material of the base piece;

step two: preparing a photosensitive emulsion to be coated as a photosensitive layer for standby:

step three: melting the material, adding various additives, filtering and standing;

step four: coating the substrate, and coating an antistatic layer, a laser coating and a wear-resistant layer;

step five, drying and collecting the slices after coating;

step six: and cutting and integrating the dried film.

The preparation of the photosensitive emulsion mainly comprises the process of generating silver halide with photosensitive property by chemical reaction of silver nitrate solution and halide, the reaction is carried out in gelatin solution, the gelatin has the function of enabling the generated silver halide to generate uniform suspension to be dispersed in the solution without aggregating to precipitate, and the silver halide is dispersed in the gelatin solution to form light yellow emulsion which is collectively called as emulsion;

in the process of coating and drying, the front surface and the back surface of a film base are coated, the coating of the two surfaces is the same step, a PET material is used as the film base of the film, and because the PET is a highly crystalline polymer, the surface of the PET is smooth and glossy, the PET has excellent physical and mechanical properties in a wider temperature range, the long-term use temperature can reach 120 ℃, the electrical insulation property is excellent, even under high temperature and high frequency, the electrical property is still good, meanwhile, the PET has good mechanical property, the impact strength is 3-5 times of that of other films, the folding resistance is good, the gas and water vapor permeability is low, the PET film has excellent gas barrier, water, oil and peculiar smell properties, the transparency is high, the PET film can block ultraviolet rays, the gloss is good, most importantly, the PET film is non-toxic, tasteless and good in sanitary safety, and the PET film is applied to the film in the medical field, and is beneficial to the high-efficiency diagnosis of medical personnel;

the thickness of the sheet substrate layer is 0.1mm-0.20mm, the thickness of the ink absorption coating layer is 0.005mm-0.01mm, the formed film is suitable for printing images of medical images such as CR, DR, MRI, CT, DSA and the like in hospitals, images of A-ultrasonic, B-ultrasonic, C-ultrasonic and M-ultrasonic photographic films, graphic reports, pull sheets, images of medical imaging equipment such as pathology departments and the like, diagnosis reports and the like, and meanwhile, the film printing can be connected with a film feeding system, an ink box system, an operation software system, an ink box replacing system and a maintenance system for use together, and is applied to the field of medical diagnosis.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.