阅读说明：本技术 一种成像清晰的pet医用胶片以及制备方法 (Clear-imaging PET medical film and preparation method thereof ) 是由 陈茂毅 蒋丽娜 于 2021-10-28 设计创作，主要内容包括：本发明公开了一种成像清晰的PET医用胶片以及制备方法,包括PET胶片主体,所述PET胶片主体表层设有保护层,所述保护层一侧设有UV涂层,UV涂层一侧设有基材,所述基材一侧设有喷墨胶层,所述喷墨胶层一侧设有感光乳基层,所述感光乳基层一侧设有抗光晕静电层,UV涂层的使用,UV涂层其耐刮耐划的作用,且表面看起来光亮,美观、质感圆润,具有防止污染及节能效果,感光乳基层的制备是由明胶、溴化银、和添加剂构成,明胶是从动物骨骼与皮中提取的高级动物胶,添加剂一般是化学增感剂,一般还有抑制胶片产生灰雾的溴化钾和提高药膜强度的铬,用来增强整个胶片的感光度,抗光晕静电层的使用,可以有效的消除抗光晕支持可以达到不同的效果。(The invention discloses a PET medical film with clear imaging and a preparation method thereof, the PET medical film comprises a PET film main body, the surface layer of the PET film main body is provided with a protective layer, one side of the protective layer is provided with a UV coating, one side of the UV coating is provided with a substrate, one side of the substrate is provided with an ink-jet glue layer, one side of the ink-jet glue layer is provided with a photosensitive emulsion base layer, one side of the photosensitive emulsion base layer is provided with an anti-corona electrostatic layer, the UV coating is used, the UV coating has the functions of scraping and scratching resistance, the surface looks bright, beautiful and smooth, the anti-pollution and energy-saving effects are achieved, the photosensitive emulsion base layer is prepared from gelatin, silver bromide and additives, the gelatin is high-grade animal glue extracted from animal bones and skins, the additives are chemical sensitizing agents generally, potassium bromide for inhibiting fog from the film and chromium for improving the strength of the film, and is used for enhancing the light sensitivity of the whole film, the use of the anti-halo electrostatic layer can effectively eliminate the anti-halo support and achieve different effects.)

1. The PET medical film with clear imaging and the preparation method thereof comprise a PET film main body (7), and are characterized in that: PET film main part (7) top layer is equipped with protective layer (1), protective layer (1) one side is equipped with UV coating (2), and UV coating (2) one side is equipped with substrate (3), substrate (3) one side is equipped with ink jet glue film (4), ink jet glue film (4) one side is equipped with sensitization breast layer (5), sensitization breast layer (5) one side is equipped with anti-halation electrostatic layer (6).

2. The medical film of PET with clear imaging and the preparation method thereof according to claim 1 are characterized in that: the base material (3) is glycol diformate.

3. The medical film of PET with clear imaging and the preparation method thereof according to claim 1 are characterized in that: the ink-jet adhesive layer (4) is internally provided with nano organic composite particles.

4. The medical film of PET with clear imaging and the preparation method thereof according to claim 1 are characterized in that: the ink-jet glue layer (4) contains nano-scale particles of alumina powder.

5. The medical film of PET with clear imaging and the preparation method thereof according to claim 1 are characterized in that: the thickness of the anti-halation electrostatic layer (6) is 0.15-0.35 mm.

6. The medical film of PET with clear imaging and the preparation method thereof according to claim 1 are characterized in that: the UV coating (2) is refined from special modified resin and special auxiliary materials.

7. The medical film of PET with clear imaging and the preparation method thereof according to claim 1 are characterized in that: the photosensitive emulsion base layer (5) is composed of silver bromide, gelatin and an additive.

8. A method for preparing a PET medical film with clear imaging is characterized by comprising the following steps;

(1) the modified polyester slurry is applied to both sides of a base material (3) containing an ethylene glycol terephthalate component, and after the modified polyester slurry is dried, a modified resin is sprayed.

(2) Preparing a solution mixed by nano-scale organic composite particles and alumina powder.

(3) The photosensitive emulsion base layer (5) is prepared from gelatin, silver bromide and additives, wherein the gelatin is high-grade animal glue extracted from animal bones and skins, the additives are generally chemical sensitizing agents, potassium bromide for inhibiting fog generation of the film and chromium for improving the film strength, and the additives are used for enhancing the light sensitivity of the whole film.

(4) And (3) coating the solution obtained in the step (2) on the base material (3) obtained in the step (1), drying to obtain a finished film, and adding a photosensitive emulsion base layer (5) into the finished film to enhance the sensitivity of the whole film.

Technical Field

The invention relates to the technical field of medical films, in particular to a PET medical film with clear imaging and a preparation method thereof.

Background

There are two main types of medical films: traditional laser printed dry films and computer printed paper films; the traditional laser printing dry film adopts the laser printing technology to directly form images, the laser machine has high price, each laser machine is about dozens of thousands yuan, the imaging of the film is mostly black and white, which is not beneficial to the correct diagnosis of doctors, the imaging of the film is not clear enough, the imaging can be seen clearly under the assistance of strong light, the waiting time of patients after taking X-rays is long, and doctors can not timely and effectively master the state of an illness and take medicine according to symptoms, therefore, the paper film for ink-jet printing is produced, the image of the film is directly printed on the corresponding paper by a printer, the price of the paper film is low, can realize multicolor imaging, but has the disadvantages of a plurality of defects, short storage time, easy fading after long time, easy moisture, easy damage and the like, therefore, the new film is designed, and the characteristics of clear imaging, high water resistance, long preservation time and low cost are important.

At present, in the field of medical imaging, a lot of images are output by paper or other media, the characteristics of wear resistance, pressure resistance, translucency and the like are not relevant, the quality of image output is not good, and meanwhile, after a period of time of strong light irradiation, the images can turn yellow, fade, blur and the like, so that the phenomena are not beneficial to scientific medical diagnosis, and a clear-imaging PET medical film and a preparation method are needed to solve the problem.

Disclosure of Invention

The invention aims to provide a PET medical film with clear imaging and a preparation method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the PET medical film with clear imaging comprises a PET film main body, wherein a protective layer is arranged on the surface layer of the PET film main body, a UV coating is arranged on one side of the protective layer, a base material is arranged on one side of the UV coating, an ink-jet adhesive layer is arranged on one side of the base material, a photosensitive emulsion layer is arranged on one side of the ink-jet adhesive layer, and an anti-halation electrostatic layer is arranged on one side of the photosensitive emulsion layer.

Preferably, the substrate is ethylene terephthalate.

Preferably, the inkjet glue layer is provided with nanoscale organic composite particles.

Preferably, the ink-jet glue line contains nano-scale particles of alumina powder.

Preferably, the thickness of the antihalation electrostatic layer is 0.15-0.35 mm.

Preferably, the UV coating is refined by special modified resin and special auxiliary materials.

Preferably, the photosensitive emulsion base layer is composed of silver bromide, gelatin and additives.

A method for preparing a PET medical film with clear imaging comprises the following steps; (1) coating the modified polyester slurry on both sides of a substrate containing an ethylene glycol terephthalate component, and spraying a modified resin after drying the modified polyester slurry.

(2) Preparing a solution mixed by nano-scale organic composite particles and alumina powder.

(3) The photosensitive emulsion base layer is prepared from gelatin, silver bromide and additive, the gelatin is high-grade animal glue extracted from animal bone and skin, the additive is chemical sensitizer, potassium bromide for inhibiting fog generation of film and chromium for improving film strength, and the additive is used for enhancing light sensitivity of the whole film.

(4) Coating the solution obtained in the step 2 on the base material obtained in the step 1, drying to obtain a finished film, and adding a photosensitive emulsion base layer into the finished film to enhance the sensitivity of the whole film

Compared with the prior art, the invention has the beneficial effects that:

1. the PET medical film with clear imaging and the preparation method thereof have the advantages that the UV coating is used, the UV coating has the functions of scraping resistance and scratching resistance, the surface looks bright, attractive and mellow, and has the effects of preventing pollution and saving energy, the photosensitive emulsion base layer is prepared from gelatin, silver bromide and additives, the gelatin is high-grade animal glue extracted from animal bones and skins, the additives are chemical sensitizing agents generally, and the potassium bromide for inhibiting the film from generating fog and the chromium for improving the strength of a medicine film are used for enhancing the light sensitivity of the whole film.

2. The PET medical film with clear imaging and the preparation method adopt the ink absorption coating, can ensure long imaging storage time, has a waterproof function, is not easy to break and wear, is convenient to carry and store, has antistatic performance and no deformation of the film, is intuitive in diagnosis, does not need a film viewing lamp, saves energy and protects eyes, is three-dimensional, colorful, is clear in functional imaging, and can effectively eliminate antihalation support and achieve different effects by using an antihalation (and antistatic) backing.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. a protective layer; 2. UV coating; 3. a substrate; 4. ink-absorbing coating; 5. a photosensitive emulsion base layer; 6. an anti-blooming electrostatic layer; 7. a PET film body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the PET medical film with clear imaging and the preparation method thereof comprise a PET film main body 7, wherein a protective layer 1 is arranged on the surface layer of the PET film main body 7, a UV coating 2 is arranged on one side of the protective layer 1, a base material 3 is arranged on one side of the UV coating 2, an ink-jet adhesive layer 4 is arranged on one side of the base material 3, a photosensitive emulsion base layer 5 is arranged on one side of the ink-jet adhesive layer 4, and an anti-halation electrostatic layer 6 is arranged on one side of the photosensitive emulsion base layer 5.

Wherein, the substrate 3 is glycol diformate.

Wherein, the ink-jet glue layer 4 is provided with nanometer organic composite particles.

In the embodiment, the ink absorbing coating 4 can ensure that the imaging storage time is long, has a waterproof function, is not easy to break and wear, is convenient to carry and store, has antistatic performance and no deformation of a film, is intuitive in diagnosis, does not need a film viewing lamp, protects eyes in an energy-saving mode, is three-dimensional, colorful and is clear in functional imaging.

Wherein, the ink-jet glue layer 4 contains alumina powder with nano-scale particles.

Wherein, the thickness of the anti-halation electrostatic layer 6 is 0.15-0.35 mm.

In this embodiment, the anti-halo electrostatic layer 6 is used, and the current films all use anti-halo (and anti-electrostatic) backings, so that the anti-halo support can be effectively eliminated, and different effects can be achieved.

Wherein, the UV coating 2 is refined by special modified resin and special auxiliary materials.

In the embodiment, the UV coating 2 has the functions of scraping resistance and scratch resistance, and the surface looks bright, beautiful and mellow, and has the effects of preventing pollution and saving energy.

Wherein, the photosensitive emulsion base layer 5 consists of silver bromide, gelatin and additives.

In this embodiment, the photosensitive emulsion base layer 5 is prepared from gelatin, silver bromide, and additives, wherein the gelatin is a high-grade animal glue extracted from animal bones and skins, the additives are usually chemical sensitizers, and also usually potassium bromide for inhibiting fog generation in the film and chromium for improving the film strength, so as to enhance the sensitivity of the whole film.

A method for preparing a PET medical film with clear imaging is characterized by comprising the following steps; (1) the modified polyester slurry is applied to both surfaces of the base material 3 containing the ethylene glycol terephthalate component, and the modified resin is sprayed after the modified polyester slurry is dried.

(2) Preparing a solution mixed by nano-scale organic composite particles and alumina powder.

(3) The photosensitive emulsion base layer 5 is prepared from gelatin, silver bromide, and additives, wherein the gelatin is high-grade animal glue extracted from animal bones and skins, the additives are chemical sensitizer, potassium bromide for inhibiting fog generation of the film and chromium for improving the film strength, and the additives are used for enhancing the light sensitivity of the whole film.

(4) And (3) coating the solution obtained in the step (2) on the base material (3) obtained in the step (1), drying to obtain a finished film, and adding a photosensitive emulsion base layer (5) into the finished film to enhance the sensitivity of the whole film.

The working principle is as follows: firstly, the UV coating 2 is used, the UV coating 2 has the functions of scraping resistance and scratch resistance, the surface looks bright, beautiful and smooth, and has the effects of pollution prevention and energy saving, the photosensitive emulsion base layer 5 is prepared from gelatin, silver bromide and additives, the gelatin is high-grade animal glue extracted from animal bones and skins, the additives are generally chemical sensitizing agents, generally potassium bromide for inhibiting the film from generating fog and chromium for improving the strength of a medicine film and are used for enhancing the light sensitivity of the whole film, and then the ink absorption coating 4 is adopted, so that the imaging preservation time is long, the imaging preservation time is waterproof, the damage and the abrasion are not easy to break and wear, the carrying and the storage are convenient, the protective layer has the advantages of static resistance and no deformation, the diagnosis is visual, the film does not need to be viewed, the energy is saved, the eyes is protected, the three-dimensional, the color and the functional imaging-vision is clear, the use of the anti-halation electrostatic layer 6 is adopted, the current film uses the anti-halation (and anti-static) backing, the anti-halation support can be effectively eliminated to achieve different effects.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.