CN109613797B - Dental film - Google Patents
Dental film Download PDFInfo
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- CN109613797B CN109613797B CN201811316851.1A CN201811316851A CN109613797B CN 109613797 B CN109613797 B CN 109613797B CN 201811316851 A CN201811316851 A CN 201811316851A CN 109613797 B CN109613797 B CN 109613797B
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- film
- stirring
- antistatic agent
- reaction kettle
- cellulose triacetate
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/30—Hardeners
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/015—Apparatus or processes for the preparation of emulsions
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/31—Plasticisers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/43—Processing agents or their precursors, not covered by groups G03C1/07 - G03C1/42
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
- G03C2001/345—Stabiliser
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Abstract
The invention discloses a dental film, which comprises the following raw materials in percentage by weight: 4-8% of antistatic agent, 5-8% of polyethylene glycol terephthalate, 5-10% of nano silicon oxide, 15-30% of cellulose triacetate, 20-40% of photosensitive emulsifier, 10-15% of nano aluminum oxide and 2-5% of polyvinyl alcohol. Compared with other preparation methods, the preparation technology is mature, the stability is good, the heat resistance is good, the light transmittance is high, the haze is low, the brightness is high, the yellowing is avoided, the adhesive force is good, the flatness is good, the ultraviolet irradiation is realized, the stiffness is good, the burning crack is prevented, the damage is not easy to occur, and the use quality of the film is improved.
Description
Technical Field
The invention belongs to the field of medical images, and particularly relates to a dental film.
Background
The film is silver salt photosensitive film, also called film. Is made of PC/PP/PET/PVC materials. Now generically referred to as film, and also as negative in printing plate making. The films are black, the corners of the films are generally provided with an English symbol, the English symbol is the serial number of the films, which is used for marking which film is C, M, Y, K, is one of cmyk (or a spot color number), indicates what color is output by the film, and if the film is not output, the angle of the hanging net can be seen to distinguish what color is. The gradient color bars beside the color bars are used for dot density correction. The color bars can see if the dot density is normal, but also CMYK, the color bars are C in the left corner, M in the upper left corner, Y in the upper right corner, and K in the lower right corner, so CMYK is known only from the color bar printing factory. That is, in order to conveniently check the concentration of film development, the corners of the film are provided with color numbers. And how much color is printed is determined according to the net lines of each film. Film is widely used in many fields, and in medical dentistry, film is often used for confirming gum parts, so that people can know the gum parts conveniently.
The existing film can be interfered by external environment when in use, so that the internal structure of the film is damaged, the stability of the internal structure of the film is not guaranteed, the imaging rate of an image is low when the film is exposed, the image forming effect is not obvious, the effect of the formed film is influenced, the film is inconvenient to watch intuitively, and the use effect of the film is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the dental film which has the advantages of mature preparation process, good bead explosion stability, good heat resistance, safety and no pollution.
In order to achieve the above object, the technical scheme of the present invention is as follows:
the dental film comprises the following raw materials in percentage by weight:
4-8% of antistatic agent, 5-8% of polyethylene glycol terephthalate, 5-10% of nano silicon oxide, 15-30% of cellulose triacetate, 20-40% of photosensitive emulsifier, 10-15% of nano aluminum oxide and 2-5% of polyvinyl alcohol.
Preferably: the photosensitive emulsifier comprises the following internal components in percentage by weight: 30-50% of gelatin, 40-50% of silver salt and 10-20% of potassium bromide.
Preferably: the content of acetic acid in the cellulose triacetate is 52.33% -55.95%.
Preferably: the antistatic agent comprises two or more of sodium alkylsulfonate, alkylsulfonic acid and phosphoric acid.
Preferably: the preparation method comprises the following steps:
s1, material selection: mixing and stirring two or more of sodium alkyl sulfonate, alkyl sulfonic acid and phosphoric acid to prepare an antistatic agent, sequentially weighing gelatin, silver salt and potassium bromide according to the weight percentage, mixing and stirring the gelatin, the silver salt and the potassium bromide to prepare a photosensitive emulsifier, and sequentially weighing the antistatic agent, polyethylene terephthalate, nano silicon oxide, cellulose triacetate, the photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol according to the weight percentage for later use;
s2, drying: sequentially placing an antistatic agent, polyethylene glycol terephthalate, nano silicon oxide, cellulose triacetate, a photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol in a drying box at the temperature of more than 120 ℃ for drying for 2-4 hours;
s3, mixing: adding polyethylene glycol terephthalate, cellulose triacetate and polyvinyl alcohol into a reaction kettle, stirring and dispersing uniformly, controlling the heating temperature of the mixture to be 80-120 ℃, removing bubbles by vacuum, controlling the rotating speed to be 80-120rpm, stirring for 1.5-2 hours, fully stirring materials in the reaction kettle, adding nano silicon oxide and nano aluminum oxide into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, adding a photosensitive emulsifier and an antistatic agent into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, and filtering bubbles in the reaction kettle to obtain sizing material;
s4, film release: cooling the mould, adding the sizing material into the mould, pressing the mould by using a hydraulic rod to form, controlling the time of the hydraulic rod for pressing the film to be about 1 hour, and controlling the hydraulic flatness of the hydraulic rod;
s5, demolding: and (5) after heating, directly taking down and demolding the molds at the two ends to obtain the film.
Preferably: the height of the hydraulic rod pressed down is 1-1.5mm.
Preferably: the preheating time of the die is 4-6 minutes.
Preferably: the hydraulic rod preheats the pressed part for 1 minute under the hydraulic pressure.
Preferably: more than 2 sets of moulds are arranged in the production process and are used in turn, and the moulds are aluminum films.
Preferably: the film should be placed in an environment where direct sunlight is avoided, the temperature is 20-23 ℃, and the humidity is 28-30%.
The invention has the technical effects and advantages that:
1. the invention uses gelatin, silver salt and potassium bromide in photosensitive emulsifier to improve the resolution, diffraction efficiency and sensitivity form ratio of film to laser, and improve the light transmittance of film, so that the film of film is cleaned and is convenient to watch.
2. The invention can improve the compactness, the smoothness and the wear resistance of the film by nano silicon oxide.
3. The invention uses nano alumina as a flow aid, which is highly dispersed nano alumina, has high temperature-resistant inertia, high porosity, strong heat resistance and good formability, and ensures that the image forming effect is better and more obvious.
4. The antistatic agent can eliminate static electricity generated on the surface of the film, prevent the surface of the film from being influenced by the outside to change the internal structure, ensure the internal structure of the film to be stable and prolong the service life of the film.
Compared with the prior art, the invention has the following beneficial effects: compared with other preparation methods, the preparation technology is mature, the stability is good, the heat resistance is good, the light transmittance is high, the haze is low, the brightness is high, the yellowing is avoided, the adhesive force is good, the flatness is good, the ultraviolet irradiation is realized, the stiffness is good, the burning crack is prevented, the damage is not easy to occur, and the use quality of the film is improved.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1:
4% of antistatic agent, 5% of polyethylene terephthalate, 5% of nano silicon oxide, 15% of cellulose triacetate, 20% of photosensitive emulsifier, 10% of nano aluminum oxide and 2% of polyvinyl alcohol.
The preparation method comprises the following steps: mixing and stirring two or more of sodium alkyl sulfonate, alkyl sulfonic acid and phosphoric acid to prepare an antistatic agent, sequentially weighing gelatin, silver salt and potassium bromide according to the weight percentage, mixing and stirring the gelatin, the silver salt and the potassium bromide to prepare a photosensitive emulsifier, and sequentially weighing the antistatic agent, polyethylene terephthalate, nano silicon oxide, cellulose triacetate, the photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol according to the weight percentage for later use; sequentially placing an antistatic agent, polyethylene glycol terephthalate, nano silicon oxide, cellulose triacetate, a photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol in a drying box at the temperature of more than 120 ℃ for drying for 2-4 hours; adding polyethylene glycol terephthalate, cellulose triacetate and polyvinyl alcohol into a reaction kettle, stirring and dispersing uniformly, controlling the heating temperature of the mixture to be 80-120 ℃, removing bubbles by vacuum, controlling the rotating speed to be 80-120rpm, stirring for 1.5-2 hours, fully stirring materials in the reaction kettle, adding nano silicon oxide and nano aluminum oxide into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, adding a photosensitive emulsifier and an antistatic agent into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, and filtering bubbles in the reaction kettle to obtain sizing material; cooling the mould, adding the sizing material into the mould, pressing the mould by using a hydraulic rod to form, controlling the time of the hydraulic rod for pressing the film to be about 1 hour, and controlling the hydraulic flatness of the hydraulic rod; the height of the hydraulic rod for pressing is 1-1.5mm, the preheating time of the die is 4-6 minutes, and the hydraulic rod preheats the pressing part for 1 minute in the hydraulic process; and (5) after heating, directly taking down and demolding the molds at the two ends to obtain the film.
Example 2:
8% of antistatic agent, 8% of polyethylene terephthalate, 10% of nano silicon oxide, 30% of cellulose triacetate, 40% of photosensitive emulsifier, 15% of nano aluminum oxide and 5% of polyvinyl alcohol.
The preparation method comprises the following steps: mixing and stirring two or more of sodium alkyl sulfonate, alkyl sulfonic acid and phosphoric acid to prepare an antistatic agent, sequentially weighing gelatin, silver salt and potassium bromide according to the weight percentage, mixing and stirring the gelatin, the silver salt and the potassium bromide to prepare a photosensitive emulsifier, and sequentially weighing the antistatic agent, polyethylene terephthalate, nano silicon oxide, cellulose triacetate, the photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol according to the weight percentage for later use; sequentially placing an antistatic agent, polyethylene glycol terephthalate, nano silicon oxide, cellulose triacetate, a photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol in a drying box at the temperature of more than 120 ℃ for drying for 2-4 hours; adding polyethylene glycol terephthalate, cellulose triacetate and polyvinyl alcohol into a reaction kettle, stirring and dispersing uniformly, controlling the heating temperature of the mixture to be 80-120 ℃, removing bubbles by vacuum, controlling the rotating speed to be 80-120rpm, stirring for 1.5-2 hours, fully stirring materials in the reaction kettle, adding nano silicon oxide and nano aluminum oxide into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, adding a photosensitive emulsifier and an antistatic agent into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, and filtering bubbles in the reaction kettle to obtain sizing material; cooling the mould, adding the sizing material into the mould, pressing the mould by using a hydraulic rod to form, controlling the time of the hydraulic rod for pressing the film to be about 1 hour, and controlling the hydraulic flatness of the hydraulic rod; the height of the hydraulic rod for pressing is 1-1.5mm, the preheating time of the die is 4-6 minutes, and the hydraulic rod preheats the pressing part for 1 minute in the hydraulic process; and (5) after heating, directly taking down and demolding the molds at the two ends to obtain the film.
Example 3:
5% of antistatic agent, 6% of polyethylene terephthalate, 7% of nano silicon oxide, 19% of cellulose triacetate, 22% of photosensitive emulsifier, 14% of nano aluminum oxide and 3% of polyvinyl alcohol.
The preparation method comprises the following steps: mixing and stirring two or more of sodium alkyl sulfonate, alkyl sulfonic acid and phosphoric acid to prepare an antistatic agent, sequentially weighing gelatin, silver salt and potassium bromide according to the weight percentage, mixing and stirring the gelatin, the silver salt and the potassium bromide to prepare a photosensitive emulsifier, and sequentially weighing the antistatic agent, polyethylene terephthalate, nano silicon oxide, cellulose triacetate, the photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol according to the weight percentage for later use; sequentially placing an antistatic agent, polyethylene glycol terephthalate, nano silicon oxide, cellulose triacetate, a photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol in a drying box at the temperature of more than 120 ℃ for drying for 2-4 hours; adding polyethylene glycol terephthalate, cellulose triacetate and polyvinyl alcohol into a reaction kettle, stirring and dispersing uniformly, controlling the heating temperature of the mixture to be 80-120 ℃, removing bubbles by vacuum, controlling the rotating speed to be 80-120rpm, stirring for 1.5-2 hours, fully stirring materials in the reaction kettle, adding nano silicon oxide and nano aluminum oxide into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, adding a photosensitive emulsifier and an antistatic agent into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, and filtering bubbles in the reaction kettle to obtain sizing material; cooling the mould, adding the sizing material into the mould, pressing the mould by using a hydraulic rod to form, controlling the time of the hydraulic rod for pressing the film to be about 1 hour, and controlling the hydraulic flatness of the hydraulic rod; the height of the hydraulic rod for pressing is 1-1.5mm, the preheating time of the die is 4-6 minutes, and the hydraulic rod preheats the pressing part for 1 minute in the hydraulic process; and (5) after heating, directly taking down and demolding the molds at the two ends to obtain the film.
Example 4:
7% of antistatic agent, 7% of polyethylene terephthalate, 9% of nano silicon oxide, 28% of cellulose triacetate, 35% of photosensitive emulsifier, 12% of nano aluminum oxide and 4% of polyvinyl alcohol.
The preparation method comprises the following steps: mixing and stirring two or more of sodium alkyl sulfonate, alkyl sulfonic acid and phosphoric acid to prepare an antistatic agent, sequentially weighing gelatin, silver salt and potassium bromide according to the weight percentage, mixing and stirring the gelatin, the silver salt and the potassium bromide to prepare a photosensitive emulsifier, and sequentially weighing the antistatic agent, polyethylene terephthalate, nano silicon oxide, cellulose triacetate, the photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol according to the weight percentage for later use; sequentially placing an antistatic agent, polyethylene glycol terephthalate, nano silicon oxide, cellulose triacetate, a photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol in a drying box at the temperature of more than 120 ℃ for drying for 2-4 hours; adding polyethylene glycol terephthalate, cellulose triacetate and polyvinyl alcohol into a reaction kettle, stirring and dispersing uniformly, controlling the heating temperature of the mixture to be 80-120 ℃, removing bubbles by vacuum, controlling the rotating speed to be 80-120rpm, stirring for 1.5-2 hours, fully stirring materials in the reaction kettle, adding nano silicon oxide and nano aluminum oxide into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, adding a photosensitive emulsifier and an antistatic agent into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, and filtering bubbles in the reaction kettle to obtain sizing material; cooling the mould, adding the sizing material into the mould, pressing the mould by using a hydraulic rod to form, controlling the time of the hydraulic rod for pressing the film to be about 1 hour, and controlling the hydraulic flatness of the hydraulic rod; the height of the hydraulic rod for pressing is 1-1.5mm, the preheating time of the die is 4-6 minutes, and the hydraulic rod preheats the pressing part for 1 minute in the hydraulic process; and (5) after heating, directly taking down and demolding the molds at the two ends to obtain the film.
Claims (10)
1. A dental film, characterized in that: the film comprises the following raw materials in percentage by weight:
4-8% of antistatic agent, 5-8% of polyethylene glycol terephthalate, 5-10% of nano silicon oxide, 15-30% of cellulose triacetate, 20-40% of photosensitive emulsifier, 10-15% of nano aluminum oxide and 2-5% of polyvinyl alcohol.
2. A dental film as in claim 1, wherein: the photosensitive emulsifier comprises the following internal components in percentage by weight: 30-50% of gelatin, 40-50% of silver salt and 10-20% of potassium bromide.
3. A dental film as in claim 1, wherein: the content of acetic acid in the cellulose triacetate is 52.33% -55.95%.
4. A dental film as in claim 1, wherein: the antistatic agent comprises two or more of sodium alkylsulfonate, alkylsulfonic acid and phosphoric acid.
5. A preparation method of a dental film is characterized in that: the preparation method comprises the following steps:
s1, material selection: mixing and stirring two or more of sodium alkyl sulfonate, alkyl sulfonic acid and phosphoric acid to prepare an antistatic agent, sequentially weighing gelatin, silver salt and potassium bromide according to the weight percentage, mixing and stirring the gelatin, the silver salt and the potassium bromide to prepare a photosensitive emulsifier, and sequentially weighing the antistatic agent, polyethylene terephthalate, nano silicon oxide, cellulose triacetate, the photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol according to the weight percentage for later use;
s2, drying: sequentially placing an antistatic agent, polyethylene glycol terephthalate, nano silicon oxide, cellulose triacetate, a photosensitive emulsifier, nano aluminum oxide and polyvinyl alcohol in a drying box at the temperature of more than 120 ℃ for drying for 2-4 hours;
s3, mixing: adding polyethylene glycol terephthalate, cellulose triacetate and polyvinyl alcohol into a reaction kettle, stirring and dispersing uniformly, controlling the heating temperature of the mixture to be 80-120 ℃, removing bubbles by vacuum, controlling the rotating speed to be 80-120rpm, stirring for 1.5-2 hours, fully stirring materials in the reaction kettle, adding nano silicon oxide and nano aluminum oxide into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, adding a photosensitive emulsifier and an antistatic agent into the reaction kettle, stirring for about 1 hour at the rotating speed of 50-80rpm, and filtering bubbles in the reaction kettle to obtain sizing material;
s4, film release: cooling the mould, adding the sizing material into the mould, pressing the mould by using a hydraulic rod to form, controlling the time of the hydraulic rod for pressing the film to be about 1 hour, and controlling the hydraulic flatness of the hydraulic rod;
s5, demolding: and (5) after heating, directly taking down and demolding the molds at the two ends to obtain the film.
6. The method of preparing dental film according to claim 5, wherein: the height of the hydraulic rod pressed down is 1-1.5mm.
7. The method of preparing dental film according to claim 5, wherein: the preheating time of the die is 4-6 minutes.
8. The method of preparing dental film according to claim 5, wherein: the hydraulic rod preheats the pressed part for 1 minute under the hydraulic pressure.
9. The method of preparing dental film according to claim 5, wherein: more than 2 sets of moulds are arranged in the production process and are used in turn, and the moulds are aluminum films.
10. The method of preparing dental film according to claim 5, wherein: the film should be placed in an environment where direct sunlight is avoided, the temperature is 20-23 ℃, and the humidity is 28-30%.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316851.1A CN109613797B (en) | 2018-11-07 | 2018-11-07 | Dental film |
| PCT/CN2018/115594 WO2020093429A1 (en) | 2018-11-07 | 2018-11-15 | Film for dentistry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316851.1A CN109613797B (en) | 2018-11-07 | 2018-11-07 | Dental film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109613797A CN109613797A (en) | 2019-04-12 |
| CN109613797B true CN109613797B (en) | 2023-07-04 |
Family
ID=66002159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811316851.1A Active CN109613797B (en) | 2018-11-07 | 2018-11-07 | Dental film |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109613797B (en) |
| WO (1) | WO2020093429A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003195449A (en) * | 2001-12-28 | 2003-07-09 | Fuji Photo Film Co Ltd | Image forming method and silver halide photosensitive material |
| CN1573535A (en) * | 2003-05-28 | 2005-02-02 | 柯尼卡美能达影像株式会社 | Biax stretched laminated polyester film used in photographic material and its production method and silver halide photographic material |
| WO2009085878A1 (en) * | 2007-12-19 | 2009-07-09 | E. I. Du Pont De Nemours And Company | Bilayer anti-reflective films containing nanoparticles |
| CN204340419U (en) * | 2014-10-14 | 2015-05-20 | 湖南省三创科技有限公司 | A kind of multifunctional medical film |
| CN206292521U (en) * | 2016-12-30 | 2017-06-30 | 安徽奥斯博医疗仪器设备有限公司 | Medical film |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7026104B2 (en) * | 2002-02-28 | 2006-04-11 | Fuji Photo Film Co., Ltd. | Heat-developable photosensitive material and method of forming images |
| JP2004101804A (en) * | 2002-09-09 | 2004-04-02 | Konica Minolta Holdings Inc | Silver halide color reversal photographic sensitive material |
| US6686115B1 (en) * | 2003-03-26 | 2004-02-03 | Eastman Kodak Company | Blue-sensitive film for radiography with desired image tone |
| US20050064351A1 (en) * | 2003-09-19 | 2005-03-24 | Eastman Kodak Company | Silver-halide-containing photothermographic element for improved latitude |
| CN103407303A (en) * | 2013-08-12 | 2013-11-27 | 江苏飞航医疗器械科技有限公司 | Medical blue base film and preparation method thereof |
| CN107615100B (en) * | 2015-05-12 | 2022-03-01 | Ａｇｃ株式会社 | Substrate with low reflection film |
| CN106626861B (en) * | 2016-12-27 | 2019-05-07 | 合肥乐凯科技产业有限公司 | A kind of Medical film chip base and its application |
-
2018
- 2018-11-07 CN CN201811316851.1A patent/CN109613797B/en active Active
- 2018-11-15 WO PCT/CN2018/115594 patent/WO2020093429A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003195449A (en) * | 2001-12-28 | 2003-07-09 | Fuji Photo Film Co Ltd | Image forming method and silver halide photosensitive material |
| CN1573535A (en) * | 2003-05-28 | 2005-02-02 | 柯尼卡美能达影像株式会社 | Biax stretched laminated polyester film used in photographic material and its production method and silver halide photographic material |
| WO2009085878A1 (en) * | 2007-12-19 | 2009-07-09 | E. I. Du Pont De Nemours And Company | Bilayer anti-reflective films containing nanoparticles |
| CN204340419U (en) * | 2014-10-14 | 2015-05-20 | 湖南省三创科技有限公司 | A kind of multifunctional medical film |
| CN206292521U (en) * | 2016-12-30 | 2017-06-30 | 安徽奥斯博医疗仪器设备有限公司 | Medical film |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020093429A1 (en) | 2020-05-14 |
| CN109613797A (en) | 2019-04-12 |
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