CN104859278A - Preparation process for flexible packaging - Google Patents
Preparation process for flexible packaging Download PDFInfo
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- CN104859278A CN104859278A CN201510150009.5A CN201510150009A CN104859278A CN 104859278 A CN104859278 A CN 104859278A CN 201510150009 A CN201510150009 A CN 201510150009A CN 104859278 A CN104859278 A CN 104859278A
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- film
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- basement membrane
- flexible package
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Abstract
The invention discloses a preparation process for flexible packaging, which belongs to the field of preparation of packaging. According to the process, the concentration of a hydrogen dioxide solution enables photosensitive processing to be thorough and brings convenience to subsequent development; control of development time and development temperature enables images to be better formed on a stencil film; through controlling of temperature and humidity in printing, conductivity of the surface of a substrate can be improved, electrostatic discharge can be accelerated and electrostatic influence can be eliminated; and since composition and viscosity of printing ink are controlled in printing, adhesion fastness of the printing ink is excellent and glossiness of a printed product is good. The flexible packaging prepared by using the preparation process has the advantages of good printing fastness, high glossiness of printed products, great market potential and wide prospects.
Description
Technical field
The invention belongs to the preparation field of external packing, more particularly, the present invention relates to a kind of preparation technology of flexible package.
Background technology
Plastic sheeting is transparent, pliable and tough, has good resistance to water, moisture resistance and gas barrier property, and mechanical strength is better, and stable chemical nature, grease resistance, is easy to the picture and text that are beautifully printed, and can seal bag.It can meet the packing instructions of various article, is the instant food easily deposited for packing, easily putting, daily necessities, the ideal material of the inner wrapping commodity in supermarket.The printing quality of plastic sheeting is the First look key element of packaging, and first client is color to the sensation of commodity.Pack printing images on plastic sheeting used clear lucid and lively, contrast is distinct, design is smooth, the purposes of color and commodity itself and characteristic are coincide, even if take a glance at carelessly, also can leave fine impression to people, thus facilitate the buying behavior of consumer.
Summary of the invention
Problem to be solved by this invention is to provide a kind of preparation technology of food flexible package.
To achieve these goals, the technical scheme that the present invention takes is:
A preparation technology for flexible package, comprises the steps:
(1) expose
Select suitable photographic film as required, then carry out printing down by after photographic film and egative film compound;
(2) activation process
After exposure, photographic film is put into hydrogenperoxide steam generator and soaks 1-3min;
(3) develop
With the water treatment photographic film of 20-30 DEG C, make photographic film to be formed version film, and then rinse with the water of 8-12 DEG C;
(4) turn and open up
By the photographic film after development, version film upwards tiles on the table, then places the screen frame of the silk screen that stretched tight on version film, uses rubber rollers roll extrusion;
(5) gluing
Photoresists pen is coated in the surrounding of screen frame, reusable heat wind carries out drying, and the temperature of hot blast is 20-24 DEG C, and wind speed is 20-30m/s;
(6) sheet base is removed
Peel off the egative film of photographic film after gluing, after finishing, namely obtain screen printing forme;
(7) prepress treatment
By the gap of basement membrane by discharge knife rest and blade, utilize high-frequency and high-voltage power supply to produce corona and surface treatment is carried out to basement membrane;
(8) picture and text printing
Be fixed on screen printing table by the basement membrane after dried screen printing forme and sided corona treatment, by scraping ink with scraper plate, the ink leaked down through silk screen plate forms pattern on basement membrane;
(9) dry
By the basement membrane of upper for printing each color ink through baking oven, the temperature of baking oven is 60-70 DEG C; , the dry time is 4-6h;
(10) overlay film
By dried basement membrane by film compounding machine, at the surface recombination last layer film of basement membrane under the effect of compounding machine, then carry out rolling, the temperature of compound tense is 60-80 DEG C;
(11) cross cutting
The cross cutting blade on die-cutting machine is utilized to be cut as required by the film after rolling;
(12) bag:
Film after cutting is made the flexible package of different types by different size requirement.
Preferably, the concentration of described step (2) hydrogenperoxide steam generator is 1-3%.
Preferably, in described step (3), during development, temperature is 20-24 DEG C, and the time is 20-30min.
Preferably, in described step (8), during printing, temperature is 18-20 DEG C, and humidity is 50-60%.
Preferably, when printing in described step (8), ink consists of chlorination synthetic resin and modified alkyd resin.
Preferably, the viscosity of described ink is moor in 6000-8000.
Beneficial effect: the preparation technology that the invention provides a kind of flexible package, the concentration of hydrogenperoxide steam generator can make photosensitive process complete, for next step development is provided convenience, the control of developing time and development temperature, can make edition film forms image better, the control of temperature and humidity during printing, the electrical conductivity on printable fabric surface can be improved, accelerate Electro-static Driven Comb, eliminate the impact of electrostatic, the control of the composition of ink and the viscosity of ink during printing, the attachment fastness of ink can be made good, printing glossiness is good, this kind of method flexible package is adopted to have printing fastness good, the advantage that printing glossiness is good, market potential is huge, have a extensive future.
Detailed description of the invention
Embodiment 1:
A preparation technology for flexible package, comprises the steps:
(1) expose
Select suitable photographic film as required, then carry out printing down by after photographic film and egative film compound;
(2) activation process
After exposure, photographic film is put into hydrogenperoxide steam generator and soaks 1min, the concentration of hydrogenperoxide steam generator is 1%;
(3) develop
With the water treatment photographic film of 20 DEG C, make photographic film to be formed version film, and then rinse with the water of 8 DEG C, during development, temperature is 20 DEG C, and the time is 20min;
(4) turn and open up
By the photographic film after development, version film upwards tiles on the table, then places the screen frame of the silk screen that stretched tight on version film, uses rubber rollers roll extrusion;
(5) gluing
Photoresists pen is coated in the surrounding of screen frame, reusable heat wind carries out drying, and the temperature of hot blast is 20 DEG C, and wind speed is 20m/s;
(6) sheet base is removed
Peel off the egative film of photographic film after gluing, after finishing, namely obtain screen printing forme;
(7) prepress treatment
By the gap of basement membrane by discharge knife rest and blade, utilize high-frequency and high-voltage power supply to produce corona and surface treatment is carried out to basement membrane;
(8) picture and text printing
Basement membrane after dried screen printing forme and sided corona treatment is fixed on screen printing table, by scraping ink with scraper plate, the ink leaked down through silk screen plate forms pattern on basement membrane, during printing, temperature is 18 DEG C, humidity is 50%, during printing ink consist of chlorination synthetic resin and modified alkyd resin, the viscosity of obtained ink is 6000 li of pools;
(9) dry
By the basement membrane of upper for printing each color ink through baking oven, the temperature of baking oven is 60 DEG C; , the dry time is 4h;
(10) overlay film
By dried basement membrane by film compounding machine, at the surface recombination last layer film of basement membrane under the effect of compounding machine, then carry out rolling, the temperature of compound tense is 60 DEG C;
(11) cross cutting
The cross cutting blade on die-cutting machine is utilized to be cut as required by the film after rolling;
(12) bag:
Film after cutting is made the flexible package of different types by different size requirement.
Embodiment 2:
A preparation technology for flexible package, comprises the steps:
(1) expose
Select suitable photographic film as required, then carry out printing down by after photographic film and egative film compound;
(2) activation process
After exposure, photographic film is put into hydrogenperoxide steam generator and soaks 2min, the concentration of hydrogenperoxide steam generator is 2%;
(3) develop
With the water treatment photographic film of 25 DEG C, make photographic film to be formed version film, and then rinse with the water of 10 DEG C, during development, temperature is 22 DEG C, and the time is 25min;
(4) turn and open up
By the photographic film after development, version film upwards tiles on the table, then places the screen frame of the silk screen that stretched tight on version film, uses rubber rollers roll extrusion;
(5) gluing
Photoresists pen is coated in the surrounding of screen frame, reusable heat wind carries out drying, and the temperature of hot blast is 22 DEG C, and wind speed is 25m/s;
(6) sheet base is removed
Peel off the egative film of photographic film after gluing, after finishing, namely obtain screen printing forme;
(7) prepress treatment
By the gap of basement membrane by discharge knife rest and blade, utilize high-frequency and high-voltage power supply to produce corona and surface treatment is carried out to basement membrane;
(8) picture and text printing
Basement membrane after dried screen printing forme and sided corona treatment is fixed on screen printing table, by scraping ink with scraper plate, the ink leaked down through silk screen plate forms pattern on basement membrane, during printing, temperature is 19 DEG C, humidity is 55%, during printing ink consist of chlorination synthetic resin and modified alkyd resin, the viscosity of obtained ink is 7000 li of pools;
(9) dry
By the basement membrane of upper for printing each color ink through baking oven, the temperature of baking oven is 65 DEG C; , the dry time is 5h;
(10) overlay film
By dried basement membrane by film compounding machine, at the surface recombination last layer film of basement membrane under the effect of compounding machine, then carry out rolling, the temperature of compound tense is 70 DEG C;
(11) cross cutting
The cross cutting blade on die-cutting machine is utilized to be cut as required by the film after rolling;
(12) bag:
Film after cutting is made the flexible package of different types by different size requirement.
Embodiment 3:
A preparation technology for flexible package, comprises the steps:
(1) expose
Select suitable photographic film as required, then carry out printing down by after photographic film and egative film compound;
(2) activation process
After exposure, photographic film is put into hydrogenperoxide steam generator and soaks 3min, the concentration of hydrogenperoxide steam generator is 3%;
(3) develop
With the water treatment photographic film of 30 DEG C, make photographic film to be formed version film, and then rinse with the water of 12 DEG C, during development, temperature is 24 DEG C, and the time is 30min;
(4) turn and open up
By the photographic film after development, version film upwards tiles on the table, then places the screen frame of the silk screen that stretched tight on version film, uses rubber rollers roll extrusion;
(5) gluing
Photoresists pen is coated in the surrounding of screen frame, reusable heat wind carries out drying, and the temperature of hot blast is 24 DEG C, and wind speed is 30m/s;
(6) sheet base is removed
Peel off the egative film of photographic film after gluing, after finishing, namely obtain screen printing forme;
(7) prepress treatment
By the gap of basement membrane by discharge knife rest and blade, utilize high-frequency and high-voltage power supply to produce corona and surface treatment is carried out to basement membrane;
(8) picture and text printing
Basement membrane after dried screen printing forme and sided corona treatment is fixed on screen printing table, by scraping ink with scraper plate, the ink leaked down through silk screen plate forms pattern on basement membrane, during printing, temperature is 20 DEG C, humidity is 60%, during printing ink consist of chlorination synthetic resin and modified alkyd resin, the viscosity of obtained ink is 8000 li of pools;
(9) dry
By the basement membrane of upper for printing each color ink through baking oven, the temperature of baking oven is 70 DEG C; , the dry time is 6h;
(10) overlay film
By dried basement membrane by film compounding machine, at the surface recombination last layer film of basement membrane under the effect of compounding machine, then carry out rolling, the temperature of compound tense is 80 DEG C;
(11) cross cutting
The cross cutting blade on die-cutting machine is utilized to be cut as required by the film after rolling;
(12) bag:
Film after cutting is made the flexible package of different types by different size requirement.
After above PROCESS FOR TREATMENT, take out sample respectively, measurement result is as follows:
Can draw according to above table data, the soft packaging bag face picture and text printing that the flexible package prepared when embodiment 2 parameter is prepared than prior art is clear, attachment fastness is good, glossiness good, and has the advantage that ink film thickness is low and residual solvent amount is little, is now more conducive to the preparation of flexible package.
The invention provides a kind of preparation technology of flexible package, the concentration of hydrogenperoxide steam generator can make photosensitive process complete, for next step development is provided convenience, the control of developing time and development temperature, can make edition film forms image better, the control of temperature and humidity during printing, the electrical conductivity on printable fabric surface can be improved, accelerate Electro-static Driven Comb, eliminate the impact of electrostatic, the control of the composition of ink and the viscosity of ink during printing, the attachment fastness of ink can be made good, printing glossiness is good, this kind of method flexible package is adopted to have printing fastness good, the advantage that printing glossiness is good, market potential is huge, have a extensive future.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a preparation technology for flexible package, is characterized in that, comprises the steps:
(1) expose
Select suitable photographic film as required, then carry out printing down by after photographic film and egative film compound;
(2) activation process
After exposure, photographic film is put into hydrogenperoxide steam generator and soaks 1-3min;
(3) develop
With the water treatment photographic film of 20-30 DEG C, make photographic film to be formed version film, and then rinse with the water of 8-12 DEG C;
(4) turn and open up
By the photographic film after development, version film upwards tiles on the table, then places the screen frame of the silk screen that stretched tight on version film, uses rubber rollers roll extrusion;
(5) gluing
Photoresists pen is coated in the surrounding of screen frame, reusable heat wind carries out drying, and the temperature of hot blast is 20-24 DEG C, and wind speed is 20-30m/s;
(6) sheet base is removed
Peel off the egative film of photographic film after gluing, after finishing, namely obtain screen printing forme;
(7) prepress treatment
By the gap of basement membrane by discharge knife rest and blade, utilize high-frequency and high-voltage power supply to produce corona and surface treatment is carried out to basement membrane;
(8) picture and text printing
Be fixed on screen printing table by the basement membrane after dried screen printing forme and sided corona treatment, by scraping ink with scraper plate, the ink leaked down through silk screen plate forms pattern on basement membrane;
(9) dry
By the basement membrane of upper for printing each color ink through baking oven, the temperature of baking oven is 60-70 DEG C; , the dry time is 4-6h;
(10) overlay film
By dried basement membrane by film compounding machine, at the surface recombination last layer film of basement membrane under the effect of compounding machine, then carry out rolling, the temperature of compound tense is 60-80 DEG C;
(11) cross cutting
The cross cutting blade on die-cutting machine is utilized to be cut as required by the film after rolling;
(12) bag:
Film after cutting is made the flexible package of different types by different size requirement.
2. according to the preparation technology of a kind of flexible package according to claim 1, it is characterized in that: the concentration of described step (2) hydrogenperoxide steam generator is 1-3%.
3. according to the preparation technology of a kind of flexible package according to claim 1, it is characterized in that: in described step (3), during development, temperature is 20-24 DEG C, and the time is 20-30min.
4. according to the preparation technology of a kind of flexible package according to claim 1, it is characterized in that: in described step (8), during printing, temperature is 18-20 DEG C, and humidity is 50-60%.
5. according to the preparation technology of a kind of flexible package according to claim 1, it is characterized in that: when printing in described step (8), ink consists of chlorination synthetic resin and modified alkyd resin.
6. according to the preparation technology of a kind of flexible package according to claim 5, it is characterized in that: the viscosity of described ink is moor in 6000-8000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150009.5A CN104859278A (en) | 2015-03-31 | 2015-03-31 | Preparation process for flexible packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150009.5A CN104859278A (en) | 2015-03-31 | 2015-03-31 | Preparation process for flexible packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104859278A true CN104859278A (en) | 2015-08-26 |
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ID=53905644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510150009.5A Pending CN104859278A (en) | 2015-03-31 | 2015-03-31 | Preparation process for flexible packaging |
Country Status (1)
| Country | Link |
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| CN (1) | CN104859278A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079791A (en) * | 2016-08-10 | 2016-11-09 | 浙江金石包装有限公司 | Composite membrane printing variable code and preparation method thereof in a kind of location |
| CN106142813A (en) * | 2016-06-28 | 2016-11-23 | 安徽松泰包装材料有限公司 | A kind of production technology of plastic colourprinting flexible package |
| CN106808819A (en) * | 2015-11-30 | 2017-06-09 | 惠州学院 | A kind of working of plastics silk screen printing process |
| WO2017212502A1 (en) | 2016-06-08 | 2017-12-14 | N.W.O.A. S.R.L. | Packaging system for rigid products and related packaging procedure |
| CN108928095A (en) * | 2018-06-14 | 2018-12-04 | 江苏盛矽电子科技有限公司 | A kind of printing screen plate spraying rolling device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209582A (en) * | 1977-02-22 | 1980-06-24 | Arthur D. Little, Inc. | Method of preparing screen printing stencils using novel compounds and compositions |
| CN1457971A (en) * | 2002-05-15 | 2003-11-26 | 张伟 | Process for making colored ball with reverse adhered mark and coloured ball |
| CN101934880A (en) * | 2010-06-30 | 2011-01-05 | 常熟市双乐彩印包装有限公司 | Environment-friendly water-proof packaging bag and manufacturing method thereof |
-
2015
- 2015-03-31 CN CN201510150009.5A patent/CN104859278A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209582A (en) * | 1977-02-22 | 1980-06-24 | Arthur D. Little, Inc. | Method of preparing screen printing stencils using novel compounds and compositions |
| CN1457971A (en) * | 2002-05-15 | 2003-11-26 | 张伟 | Process for making colored ball with reverse adhered mark and coloured ball |
| CN101934880A (en) * | 2010-06-30 | 2011-01-05 | 常熟市双乐彩印包装有限公司 | Environment-friendly water-proof packaging bag and manufacturing method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 史瑞芝，刘诗德: "《印前技术》", 30 April 2006 * |
| 金银河: "塑料薄膜软包装的网版印刷", 《丝网印刷》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106808819A (en) * | 2015-11-30 | 2017-06-09 | 惠州学院 | A kind of working of plastics silk screen printing process |
| WO2017212502A1 (en) | 2016-06-08 | 2017-12-14 | N.W.O.A. S.R.L. | Packaging system for rigid products and related packaging procedure |
| CN106142813A (en) * | 2016-06-28 | 2016-11-23 | 安徽松泰包装材料有限公司 | A kind of production technology of plastic colourprinting flexible package |
| CN106079791A (en) * | 2016-08-10 | 2016-11-09 | 浙江金石包装有限公司 | Composite membrane printing variable code and preparation method thereof in a kind of location |
| CN108928095A (en) * | 2018-06-14 | 2018-12-04 | 江苏盛矽电子科技有限公司 | A kind of printing screen plate spraying rolling device |
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Application publication date: 20150826 |
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| RJ01 | Rejection of invention patent application after publication |