CN101941295A - Biaxially oriented nylon film modifying equipment and using method - Google Patents
Biaxially oriented nylon film modifying equipment and using method Download PDFInfo
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- CN101941295A CN101941295A CN2010101240803A CN201010124080A CN101941295A CN 101941295 A CN101941295 A CN 101941295A CN 2010101240803 A CN2010101240803 A CN 2010101240803A CN 201010124080 A CN201010124080 A CN 201010124080A CN 101941295 A CN101941295 A CN 101941295A
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Abstract
The invention relates to a biaxially oriented nylon film modifying equipment and a using method. The two-way stretch nylon film modifying equipment is characterized by comprising a sealed container, a heater and a humidifier, wherein the heater can heat air in the container, the humidifier blasts steam into the container, and the container can be provided with the bracket capable of placing the biaxially oriented nylon film. Because the technical scheme that the biaxially oriented nylon film is arranged in the container and the hot air and steam are blasted in is adopted, the invention causes the water absorption expansion ratio of the biaxially oriented nylon film to be lowered after the biaxially oriented nylon film is processed in flowing hot steam; and thus, total quality is improved, particularly, the quality of two sides of the biaxially oriented nylon film is greatly improved.
Description
Affiliated technical field:
The invention belongs to a kind of biaxially oriented film process equipment, particularly relate to a kind of BON biaxially oriented nylon film modified device and using method.
Background technology:
A disadvantage of known BON biaxially oriented nylon film is: BON biaxially oriented nylon film BOPA film is to be that raw material are made with polyamide 6 (nylon 6), the polyamide molecule contain the polarity amide groups (CO-NH-), wherein-NH-base can and-the C=O base forms hydrogen bond.The formation of hydrogen bond is that polyamide has one of key factor of higher crystalline, but the molecule in the not all polyamide can both crystallization, some noncrystalline polyamide exists, the amide groups in this part noncrystalline polyamide strand can with the hydrone coordination, promptly have water imbibition; In the polyamide 6 molecule per 2 amide groups can with 3 hydrone coordinations, wherein 1 hydrone exists with strong hydrogen bond, other 2 hydrones exist with loose bonding state; Be the strong dipolar interaction between acid amides and the water, water is penetrated into and makes existing key die down fracture and hydrone coordination in the nylon, thereby causes film to expand.It is a kind of film product of the very easily moisture absorption that this characteristic causes BON biaxially oriented nylon film, its expansion rate of water absorption height, and after the film moisture absorption, size can become big rapidly.This effect can cause the BON biaxially oriented nylon film product just inaccurate back to line behind printed patterns chromatography and bag, causes finished product packing bag outward appearance irregular.
Summary of the invention:
The objective of the invention is to provide in order to solve the problem that known technology exists a kind of can overcome BON biaxially oriented nylon film use in very easily the BON biaxially oriented nylon film modified device and the using method of moisture absorption expansion shortcoming.
The present invention for the technical scheme of the BON biaxially oriented nylon film modified device that solves known technology existing problems and adopted is: it includes closed container, can and blast the humidifier of steam in described container with the heater of gas heating in the described container; The support that can put described BON biaxially oriented nylon film is arranged in described container.
The present invention also can adopt following technical scheme:
Described heater is an electric heater.
Described container is a cool-bag.
The using method of BON biaxially oriented nylon film modified device of the present invention is:
(1) BON biaxially oriented nylon film is placed in the described container on the described support;
(2) utilize described heater with the air heat to 100 in the described container ℃-140 ℃ and use humidifier to blast steam simultaneously, make that the humidity in the described container reaches 5%RH-50%RH, and keep being cooled to normal temperature after 8-48 hour.
The invention has the beneficial effects as follows: owing to adopt the technical scheme that places BON biaxially oriented nylon film in the described container and blast hot blast and steam, thereby making biaxially oriented film handle its expansion rate of water absorption of back in the vapours that flows reduces greatly, total quality improves, and especially the quality of BON biaxially oriented nylon film both sides is improved greatly.
Description of drawings:
Fig. 1 is the structural representation of BON biaxially oriented nylon film modified device of the present invention;
Fig. 2 is for using the BON biaxially oriented nylon film printing that produces without the present invention to line pattern;
Fig. 3 is for using the BON biaxially oriented nylon film printing that produces through the present invention to line pattern.
The specific embodiment:
For further understanding content of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
As shown in Figure 1: around the cool-bag 10 that insulation materials such as being purified color steel, glass-magnesium rockwool purification color steel by rock wool is made, electric heater 6 that has electric furnace heating wire, fin and blower fan 7 and the humidifier 5 that can produce steam are arranged.The support 3 of putting biaxially oriented film is arranged in cool-bag 10.
Electric heater 6 can be substituted by heaters such as electromagnetic heater 8, steam heater 9, infrared heater 11, oil heater 12, water heater 13, solar heater 1, ceramic heaters 2.
The using method of this equipment is as follows:
Existing BON biaxially oriented nylon film 4 is placed on the support 3 in the cool-bag 10, utilizing heater 6 that gas in the cool-bag 10 is heated to 100 ℃, 125 ℃ or 140 ℃ also uses humidifier 5 to blast steam simultaneously, make the humidity in the described container reach 5%RH, 25%RH or 50%RH, and keep cool to room temperature after 8,24,48 hours.Also can use other several alternative heaters that gas in the cool-bag 10 is heated to 100 ℃, 125 ℃ or 140 ℃ also uses humidifier 5 to blast steam simultaneously, make the humidity in the described container reach 5%RH, 25%RH or 50%RH, and keep cool to room temperature after 8,24,48 hours.
In addition, its comparison of test results such as following table are tested in the printing sample imbibition of doing when using in the normal temperature space outerpace as above-mentioned heat treated and the film of not doing above-mentioned processing:
Annotate: the film delta data is the lateral expansion data in the table, and when film uses in normal temperature humidity surpasses 70% space outerpace, no longer expand after the film moisture content absorption above 4 minutes is saturated, and film feels like jelly and can't normally use, so just can open In Aluminium Foil Packing when this kind film requires to use, prevent to use after the film imbibition.。
Process of the test:
1, sampling operation:
Behind the Film sampling after handling under the above different condition, use different printing speed, guarantee adjusting film aerial open-assembly time is 30 seconds, 60 seconds, 90 seconds, 120 seconds, three minutes, four minutes, in the space of the outside humidity 70%RH-80%RH of normal temperature condition, print, use poach 2850 glue composite sample film and ldpe films afterwards, after 48 hours, carry out bag through overcuring.
2, outcome record:
Service precision is that the rule of 0.01mm is measured the bag making film front and back to linear dimension.And by the sampling and the bag requirement fill in data.
Be not difficult to find out that by last table doing the film expansion rate of water absorption of handling can not reduce greatly than processing film.
As shown in Figure 2: did the film of handling because expansion rate of water absorption is bigger without above-mentioned, thereby the line that two-layer original printing is up and down overlapped has each other staggered.
As shown in Figure 3, did the film of above-mentioned processing, thereby the line that two-layer original printing is up and down overlapped each other keeps still overlapping because expansion rate of water absorption is very little.
Claims (4)
1. the modified device of a BON biaxially oriented nylon film is characterized in that: it includes closed container, can and blast the humidifier of steam in described container with the heater of gas heating in the described container; The support that can put described BON biaxially oriented nylon film is arranged in described container.
2. BON biaxially oriented nylon film modified device according to claim 1 is characterized in that: described heater is an electric heater.
3. BON biaxially oriented nylon film modified device according to claim 1 is characterized in that: described container is a cool-bag.
4. the using method of the modified device of a BON biaxially oriented nylon film:
(1) will have BON biaxially oriented nylon film now is placed on the interior support of described container;
(2) utilize described heater with the air heat to 100 in the described container ℃-140 ℃ and use humidifier to blast steam simultaneously, make that the humidity in the described container reaches 5%RH-50%RH, and keep being cooled to normal temperature after 8-48 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101240803A CN101941295A (en) | 2010-03-15 | 2010-03-15 | Biaxially oriented nylon film modifying equipment and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101240803A CN101941295A (en) | 2010-03-15 | 2010-03-15 | Biaxially oriented nylon film modifying equipment and using method |
Publications (1)
| Publication Number | Publication Date |
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| CN101941295A true CN101941295A (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101240803A Pending CN101941295A (en) | 2010-03-15 | 2010-03-15 | Biaxially oriented nylon film modifying equipment and using method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112157A (en) * | 2011-09-28 | 2013-05-22 | 富士胶片株式会社 | Manufacturing method and manufacturing apparatus of polymer film |
| CN109795141A (en) * | 2019-03-07 | 2019-05-24 | 苏州德弗朗空气控制技术有限公司 | A kind of automated ultrasonic nylon blade damping machine |
| CN111002569A (en) * | 2018-10-04 | 2020-04-14 | 布鲁克纳机械有限责任两合公司 | Processing device for a web of flexible material, in particular a plastic film, that can be run through a processing oven |
| WO2023123868A1 (en) * | 2021-12-30 | 2023-07-06 | 升辉新材料股份有限公司 | Process for preparing nylon surface layer barrel film by means of three-bubble forming method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201357526Y (en) * | 2009-03-17 | 2009-12-09 | 芜湖维丰塑料电器有限公司 | Humidifying device of product |
| CN201665006U (en) * | 2010-03-15 | 2010-12-08 | 天津运城塑业有限公司 | Two-way stretching film medication equipment |
-
2010
- 2010-03-15 CN CN2010101240803A patent/CN101941295A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201357526Y (en) * | 2009-03-17 | 2009-12-09 | 芜湖维丰塑料电器有限公司 | Humidifying device of product |
| CN201665006U (en) * | 2010-03-15 | 2010-12-08 | 天津运城塑业有限公司 | Two-way stretching film medication equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112157A (en) * | 2011-09-28 | 2013-05-22 | 富士胶片株式会社 | Manufacturing method and manufacturing apparatus of polymer film |
| CN103112157B (en) * | 2011-09-28 | 2016-05-04 | 富士胶片株式会社 | The manufacture method of polymer film and manufacturing installation |
| CN111002569A (en) * | 2018-10-04 | 2020-04-14 | 布鲁克纳机械有限责任两合公司 | Processing device for a web of flexible material, in particular a plastic film, that can be run through a processing oven |
| CN109795141A (en) * | 2019-03-07 | 2019-05-24 | 苏州德弗朗空气控制技术有限公司 | A kind of automated ultrasonic nylon blade damping machine |
| WO2023123868A1 (en) * | 2021-12-30 | 2023-07-06 | 升辉新材料股份有限公司 | Process for preparing nylon surface layer barrel film by means of three-bubble forming method |
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Application publication date: 20110112 |