CN112662000A - Preparation process and processing equipment of anti-fog preservative film - Google Patents
Preparation process and processing equipment of anti-fog preservative film Download PDFInfo
- Publication number
- CN112662000A CN112662000A CN202011381639.0A CN202011381639A CN112662000A CN 112662000 A CN112662000 A CN 112662000A CN 202011381639 A CN202011381639 A CN 202011381639A CN 112662000 A CN112662000 A CN 112662000A
- Authority
- CN
- China
- Prior art keywords
- preservative film
- fog
- film
- electric field
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000003755 preservative agent Substances 0.000 title claims description 104
- 230000002335 preservative effect Effects 0.000 title claims description 104
- 239000002245 particle Substances 0.000 claims abstract description 51
- 239000011248 coating agent Substances 0.000 claims abstract description 34
- 238000000576 coating method Methods 0.000 claims abstract description 34
- 230000005684 electric field Effects 0.000 claims abstract description 34
- 238000005507 spraying Methods 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 11
- 150000002500 ions Chemical class 0.000 claims abstract description 9
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 238000005303 weighing Methods 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000000839 emulsion Substances 0.000 claims description 9
- 239000007888 film coating Substances 0.000 claims description 9
- 238000009501 film coating Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007689 inspection Methods 0.000 abstract 1
- 239000003595 mist Substances 0.000 abstract 1
- 238000005485 electric heating Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000007921 spray Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 235000013305 food Nutrition 0.000 description 4
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 description 2
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000001550 time effect Effects 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 229960002675 xylitol Drugs 0.000 description 2
- 235000010447 xylitol Nutrition 0.000 description 2
- 239000000811 xylitol Substances 0.000 description 2
- -1 xylitol ester Chemical class 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009920 food preservation Methods 0.000 description 1
- 235000021022 fresh fruits Nutrition 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
本发明公开一种防雾保鲜膜的制备工艺，其中，包括以下步骤：称量；成型保鲜膜；对保鲜膜进行拉伸；对保鲜膜的表面进行软化处理；在保鲜膜的表面镀上防雾层；烘干；收卷；检验、包装和运输。与现有技术相比，通过防雾粒子冲击附着于保鲜膜表面，从而形成防雾层，提高保鲜膜的防雾效果。本发明还公开一种加工设备，包括设备主体以及输送辊组，喷涂装置，成型辊组，镀膜装置以及收卷辊。本发明设备能够对保鲜膜施加电场，并加入防雾粒子，利用电场离子冲撞防雾粒子，使防雾粒子可嵌入保鲜膜内形成防雾层。
The invention discloses a preparation process of an anti-fog fresh-keeping film, which comprises the following steps: weighing; forming a fresh-keeping film; stretching the fresh-keeping film; softening the surface of the fresh-keeping film; mist layer; drying; rewinding; inspection, packaging and transportation. Compared with the prior art, the anti-fog particles are impacted and adhered to the surface of the fresh-keeping film, thereby forming an anti-fog layer and improving the anti-fogging effect of the fresh-keeping film. The invention also discloses a processing equipment, comprising an equipment main body, a conveying roller group, a spraying device, a forming roller group, a coating device and a winding roller. The device of the invention can apply an electric field to the fresh-keeping film, add anti-fog particles, and use the electric field ions to collide with the anti-fog particles, so that the anti-fog particles can be embedded in the fresh-keeping film to form an anti-fog layer.
Description
Technical Field
The invention relates to the technical field of preservative film manufacturing, in particular to a preparation process and processing equipment of an anti-fog preservative film.
Background
The plastic wrap is a plastic packing product, which is usually made by polymerization reaction with ethylene as a master batch. The preservative film is mainly used for occasions such as microwave oven food heating, refrigerator food preservation, fresh and cooked food packaging and the like, and is widely applied to the fields of food packaging of family life, supermarket stores, hotels and restaurants and industrial production. Because the surface tension of plastic wrap is less, the inside steam of plastic wrap can condense into the drop at the internal surface of plastic wrap after the condensation when fresh fruit vegetables, very big influence the luminousness in the wrapping bag for the unable clear circumstances of observing the inside of people, and the drop also can produce harm to vegetables, fruit and cold fresh meat food.
In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.
Disclosure of Invention
The invention aims to provide a preparation process of an anti-fog preservative film, which is characterized in that anti-fog particles are attached to the surface of the preservative film in an impacting manner, so that an anti-fog layer is formed, and the anti-fog effect of the preservative film is improved.
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a processing apparatus which can apply an electric field to the surface of a preservative film, add anti-fog particles into the electric field, and collide the anti-fog particles with ions ionized by the electric field, so that the anti-fog particles can be embedded into the preservative film at a high speed to form an anti-fog layer.
In order to achieve the above purpose, the solution of the invention is:
a preparation process of an anti-fog preservative film comprises the following steps:
(1) weighing;
(2) forming a preservative film;
(3) stretching the preservative film;
(4) softening the surface of the preservative film;
(5) plating an antifogging layer on the surface of the preservative film;
(6) drying the preservative film;
(7) rolling the dried preservative film;
(8) and inspecting, packaging and transporting the rolled preservative film.
Further, the raw materials are added into a spraying device in the step (2), the spraying device heats and melts the prepared raw materials into raw material emulsion, and the raw material emulsion is uniformly sprayed on a forming roller through a spraying nozzle to form the preservative film.
Furthermore, the heating temperature of the preparation raw material is 120-140 ℃.
And further, stretching the preservative film by a traction roller and a tension roller in the step (3).
Further, in the step (4), the surface of the preservative film is softened by feeding the preservative film into the electric heating roller group for heating.
Further, the surface of the preservative film is softened by laser irradiation and heating in the step (4).
Further, in the step (5), the preservative film with the surface softened by heating is sent into a coating device, an electric field is generated in the coating device, anti-fog particles are added into the coating device and are input into the electric field, and the ions ionized by the electric field move and collide with the anti-fog particles in the electric field, so that the anti-fog particles can be embedded into the surface of the preservative film at high speed, and an anti-fog layer is formed on the surface of the preservative film.
Further, in the step (6), the preservative film is conveyed to a drying device through a conveying roller, and the antifogging layer is dried.
And further, conveying the dried preservative film to a winding roller for winding in the step (7).
Further, an electric field with an upper surface being a positive electrode and a lower surface being a negative electrode is generated inside the coating device in the step (5).
Further, the antifogging particles in step (5) may be xylitol ester particles.
After the method is adopted, the antifogging particles can be embedded on the surface of the preservative film through the electric field to form the antifogging layer, and condensed water molecules on the inner side of the preservative film can be attached to the antifogging layer when the preservative film is used. The antifogging layer utilizes a special molecular structure of antifogging particle surface activity, one part is a hydrophilic group, the other part is an oleophylic group, the hydrophilic group adsorbs water molecules in air and reduces the surface tension of the water molecules, so that the contact angle between the water molecules and the surface of a transparent object is reduced, the water molecules can be wetted and diffused on the surface of the preservative film before water drops are formed, an ultrathin transparent water film is formed, the scattering effect on incident light rays is not generated, the interference on the light rays is not generated, and the antifogging effect is realized. The preservative film has a better anti-fog function while having a preservation effect. And the antifogging layer is firmly connected with the preservative film and is not easy to fall off, so that the antifogging time efficiency is greatly improved.
The processing equipment based on the preparation process of the anti-fog preservative film comprises an equipment main body, wherein a conveying roller set for conveying the preservative film is arranged in the equipment main body, and the conveying roller set is sequentially provided with a spraying device, a forming roller set, a film coating device and a winding roller along the conveying direction of the preservative film; the spraying device is arranged above the forming roller set, the discharge end of the forming roller set is connected with the feed end of the conveying roller set, and the discharge end of the conveying roller set is connected with the feed end of the winding roller set.
Further, the coating device is provided with a storage bin outside and a coating cavity inside, the coating cavity is provided with a feed inlet and a discharge outlet for the entering and the exiting of the preservative film, a plurality of nozzles are arranged in the coating cavity, and the nozzles are communicated with the storage bin.
Further, the conveying roller group comprises a first parallel roller arranged on the outer side of the feeding hole and a second parallel roller arranged on the outer side of the discharging hole, and the first parallel roller and the second parallel roller are arranged in parallel.
Furthermore, an electric heating roller set is further arranged at the feeding port of the film coating cavity of the equipment main body, the electric heating roller set comprises a first mounting frame and a second mounting frame which are connected with the equipment main body, the first mounting frame is provided with a first electric heating roller which is connected in a rotating mode, and the second mounting frame is provided with a second electric heating roller which is connected in a rotating mode; the first electric heating roller and the second electric heating roller are arranged in parallel.
Furthermore, the device main body is provided with a drying device at a discharge port of the coating cavity, the drying device is arranged below the preservative film, and the upper surface of the drying device is provided with a hot air port.
Furthermore, a third parallel roller and a fourth parallel roller are arranged on two sides of the drying device, and the third parallel roller and the fourth parallel roller are arranged in parallel.
Further, a spraying nozzle is arranged below the spraying device and arranged above the forming roller set, and the spraying nozzle extends along the axis direction of the forming roller set.
Further, the forming roller group comprises a first forming roller and a second forming roller, the first forming roller and the second forming roller are arranged in parallel, and the first forming roller is arranged below the spraying device.
Further, the forming roller group also comprises a third forming roller, the third forming roller is arranged above the film coating device, and the outer circumferential surface of the third forming roller is attached to the inner side surface of the preservative film.
Further, the conveying roller group further comprises a tension adjusting roller, and the tension adjusting roller is arranged between the second forming roller and the third forming roller.
After the structure is adopted, the device can apply an electric field to the surface of the preservative film, anti-fog particles are added in the electric field, and the ions ionized by the electric field collide with the anti-fog particles, so that the anti-fog particles can be embedded into the preservative film at high speed to form an anti-fog layer. The device can realize rapid film coating, enables the connection between the anti-fog particles and the preservative film to be firmer and more reliable, and can effectively prevent the anti-fog layer from falling off, thereby improving the anti-fog time effect.
Drawings
FIG. 1 is a schematic flow diagram of the method of the present invention,
FIG. 2 is a schematic view of the internal structure of the processing apparatus of the present invention.
Fig. 3 is a partially enlarged view of the area a in fig. 2.
FIG. 4 is a schematic cross-sectional view of a coating apparatus.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1-4, a preparation process of an anti-fog preservative film comprises the following steps:
(1) weighing the raw materials for preparing the preservative film 5, and adding the raw materials into the spraying device 1;
(2) the spraying device 1 heats and melts the preparation raw materials into raw material emulsion, and the raw material emulsion is uniformly sprayed on the forming roller through the spraying nozzle 11 to form the preservative film 5;
(3) stretching the preservative film 5 by a traction roller and a tension roller;
(4) the preservative film 5 is sent into an electric heating roller set, and the surface of the preservative film 5 is softened by the electric heating roller set; or a laser heating device is arranged on the outer side of the surface of the preservative film 5, and the preservative film is irradiated by laser, so that the surface of the preservative film 5 is heated and softened.
(5) The preservative film 5 with the surface softened by heating is sent into a coating device 3, an electric field is generated in the coating device 3, anti-fog particles are added into the coating device 3 and input into the electric field, and the ions ionized by the electric field move in the electric field and collide with the anti-fog particles in the electric field, so that the anti-fog particles can be embedded into the surface of the preservative film 5 at high speed, and an anti-fog layer is formed on the surface of the preservative film 5;
(6) conveying the coated preservative film 5 to a drying device through a conveying roller, and drying the antifogging layer;
(7) conveying the dried preservative film 5 to a winding roller 4 for winding;
(8) and inspecting, packaging and transporting the rolled preservative film 5.
After the method is adopted, the antifogging particles can be embedded on the surface of the preservative film 5 through the electric field to form an antifogging layer, and condensed water molecules on the inner side of the preservative film 5 can be attached to the antifogging layer when the preservative film 5 is used. The antifogging layer utilizes a special molecular structure of antifogging particle surface activity, one part is a hydrophilic group, the other part is an oleophylic group, the hydrophilic group adsorbs water molecules in air and reduces the surface tension of the water molecules, so that the contact angle between the water molecules and the surface of a transparent object is reduced, the water molecules can be wetted and diffused on the surface of the preservative film 5 before water drops are formed, an ultrathin transparent water film is formed, the scattering effect on incident light rays is not generated, the interference on the light rays is not generated, and the antifogging effect is achieved. The preservative film 5 has a better anti-fog function while having a preservation effect. And the antifogging layer is firmly connected with the preservative film 5 and is not easy to fall off, so that the antifogging time efficiency is greatly improved.
Preferably, the heating temperature of the raw material prepared in the step (2) is 120-140 ℃.
Preferably, in the step (5), an electric field with a positive electrode on the upper surface and a negative electrode on the lower surface is generated inside the coating device 3. Negative ions in the electric field can move upwards to impact the anti-fog particles, so that the anti-fog particles are embedded into the lower surface of the preservative film 5 to form an anti-fog layer; in addition, electrons ionized in the electric field can be attached to the anti-fog particles, so that the anti-fog particles move upwards with negative charges, the embedding amount of the anti-fog particles on the preservative film 5 is increased, and the coating quality of the anti-fog layer is further improved.
Preferably, the anti-fog particles in step (5) can adopt xylitol ester particles.
A processing device based on the preparation process of the anti-fog preservative film comprises a device main body (not shown), wherein a conveying roller set for conveying the preservative film 5 is arranged in the device main body, and the conveying roller set is sequentially provided with a spraying device 1, a forming roller set 2, a film coating device 3 and a winding roller 4 along the conveying direction of the preservative film 5; the spraying device 1 is arranged above the forming roller group 2, the discharge end of the forming roller group 2 is connected with the feed end of the conveying roller group, and the discharge end of the conveying roller group is connected with the feed end of the winding roller group 4.
After adopting above-mentioned structure, during operation, spraying device 1 heats the melting raw materials of making and becomes raw materials emulsion to evenly spray raw materials emulsion and form plastic wrap 5 on the forming roll, then stretch and carry plastic wrap 5 through conveying roller set, later send plastic wrap 5 into coating device 3 in, and add antifog particle in the electric field, the inside electric field that produces the upper surface and be the positive pole, the lower surface is the negative pole of coating device 3. Negative ions in the electric field can move upwards to impact anti-fog particles, so that the anti-fog particles can be embedded into the lower surface of the preservative film 5 at a high speed to form an anti-fog layer; in addition, electrons ionized in the electric field can be attached to the anti-fog particles, so that the anti-fog particles move upwards with negative charges, and the embedding amount of the anti-fog particles on the preservative film 5 is increased. The device can realize rapid film coating, enables the connection between the anti-fog particles and the preservative film 5 to be firmer and more reliable, and can effectively prevent the anti-fog layer from falling off, thereby improving the anti-fog time effect.
Preferably, the outside of coating device 3 has storage silo 31 and inside has coating film cavity 32, and coating film cavity 32 has the feed inlet that supplies plastic wrap 5 to get into and the discharge gate that leaves, and feed inlet and discharge gate department are equipped with the rubber seal to inside sealing of coating film cavity 32, and coating device 3 still is equipped with filter equipment, filters the air that gets into coating film cavity 32, prevents that the dust from getting into in the coating film cavity 32. A plurality of nozzles 321 are arranged at the lower ends of the side walls in the coating cavity 32, and the nozzles 321 are communicated with the storage bin 31. After adopting above-mentioned structure, in the during operation, add storage silo 31 with antifog particle, spout antifog particle in coating film cavity 32 through nozzle 321, then utilize electric field ionization's ion to collide the antifog particle in coating film cavity 32, make its antifog particle can form antifog layer in the fast-speed embedding plastic wrap 5 for antifog particle is connected more firmly with plastic wrap 5, avoids droing.
Preferably, the conveying roller group comprises a first parallel roller 61 arranged outside the feed opening and a second parallel roller 62 arranged outside the discharge opening, and the first parallel roller 61 and the second parallel roller 62 are arranged in parallel with each other. After adopting above-mentioned structure, first parallel roller 61 and second parallel roller 62 carry out tension control to plastic wrap 5 in the coating film cavity 32, make its surface can level and smooth extension to adsorb more antifog particles, promote antifog effect. In addition, the preservative film 5 can be ensured to be in a horizontal state in the coating cavity 32, and the anti-fog particles can vertically impact and be embedded into the surface of the preservative film 5, so that the anti-fog particles are more uniformly and firmly attached.
Preferably, the feeding port of the film coating cavity 32 of the equipment main body is further provided with an electric heating roller set, the electric heating roller set comprises a first mounting frame 71 and a second mounting frame 72, the first mounting frame 71 is connected with the equipment main body in a rotating mode, the second mounting frame 72 is provided with a second electric heating roller 74 connected with the second mounting frame 72 in a rotating mode; the first electric heating roller 73 and the second electric heating roller 74 are arranged in parallel, and the outer circumferential surfaces of the first electric heating roller 73 and the second electric heating roller 74 are respectively attached to the lower surface and the upper surface of the preservative film 5. After adopting above-mentioned structure, electric heat roller set can carry out hot pressing heat treatment to 5 surfaces of plastic wrap, makes the surface of plastic wrap 5 softer, and the degree of depth on 5 surfaces of embedding plastic wrap of antifog particle is darker for antifog particle adheres to more firmly, further improves antifog ageing.
Preferably, the drying device 8 is arranged at the discharge port of the coating cavity 32 of the equipment main body, the drying device 8 is arranged below the preservative film 5, and the upper surface of the drying device 8 is provided with a hot air port 81. After adopting above-mentioned structure, drying device 8 dries the lower surface of plastic wrap 5, gets rid of the moisture, later carries out the rolling with plastic wrap 5 again. Water molecules in the air are prevented from being attached to the anti-fog layer, so that the surface of the anti-fog layer is kept dry, and the product quality is improved.
Preferably, a third parallel roller 63 and a fourth parallel roller 64 are provided at both sides of the drying device 8, and the third parallel roller 63 and the fourth parallel roller 64 are provided in parallel with each other. After adopting above-mentioned structure, third parallel roller 63 and fourth parallel roller 64 can make plastic wrap 5 be in the horizontality on drying device 8 for plastic wrap 5 dries more evenly, further improves product quality.
Preferably, the spray nozzle 11 is arranged below the spray device 1, the spray nozzle 11 is arranged above the forming roll group 2, and the spray nozzle 11 extends along the axial direction of the forming roll group 2. The forming roll group 2 includes a first forming roll 21 and a second forming roll 22, the first forming roll 21 and the second forming roll 22 are arranged in parallel, and the first forming roll 21 is arranged below the spraying device 1. After the structure is adopted, the raw material emulsion is uniformly sprayed on the outer surface of the first forming roller 21 by the spraying nozzle 11 along the axial direction of the first forming roller 21 to form the preservative film 5, and the outer circumferential surface of the second forming roller 22 is attached to the outer side surface of the preservative film 5, so that the outer side surface of the preservative film 5 is smoother.
Preferably, the forming roller group 2 further comprises a third forming roller 23, the third forming roller 23 is arranged above the film coating device 3, and the outer circumferential surface of the third forming roller 23 is attached to the inner side surface of the preservative film 5, so that the inner side surface of the preservative film 5 is smoother, and the product quality is improved.
Preferably, the conveying roller group further comprises a tension adjusting roller 65, the tension adjusting roller 65 is arranged between the second forming roller 22 and the third forming roller 23, and the outer circumferential surface of the tension adjusting roller 65 abuts against and is attached to the inner side surface of the preservative film 5, so that the tension of the preservative film 5 is adjusted, the preservative film 5 is prevented from wrinkling, and the product quality is further improved.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (10)
1. The preparation process of the anti-fog preservative film is characterized by comprising the following steps of:
(1) weighing;
(2) forming a preservative film;
(3) stretching the preservative film;
(4) softening the surface of the preservative film;
(5) plating an antifogging layer on the surface of the preservative film;
(6) drying the preservative film;
(7) rolling the dried preservative film;
(8) and inspecting, packaging and transporting the rolled preservative film.
2. The process for preparing the anti-fog preservative film according to claim 1, wherein the raw materials in the step (2) are added into a spraying device, the spraying device heats and melts the raw materials to form a raw material emulsion, and the raw material emulsion is uniformly sprayed on a forming roller through a spraying nozzle to form the preservative film.
3. The preparation process of the anti-fog preservative film as claimed in claim 2, wherein the heating temperature of the raw materials is 120-140 ℃.
4. The process according to claim 1, wherein the plastic wrap is stretched by drawing and stretching rollers in step (3).
5. The process according to claim 1, wherein the preservative film is fed into the electric roller set to be heated in the step (4) to soften the surface of the preservative film.
6. The process for preparing an antifogging preservative film according to claim 1, wherein the surface of the preservative film is softened by heating by laser irradiation in the step (4).
7. The process according to claim 1, wherein the fresh-keeping film having its surface softened by heating in the step (5) is fed into a coating device, an electric field is generated in the coating device, the anti-fog particles are fed into the coating device and fed into the electric field, and the ions ionized by the electric field move in the electric field and collide with the anti-fog particles in the electric field, so that the anti-fog particles can be embedded into the surface of the fresh-keeping film at a high speed, thereby forming the anti-fog layer on the surface of the fresh-keeping film.
8. The process for preparing the anti-fog preservative film according to claim 1, wherein in the step (6), the preservative film is conveyed to a drying device through a conveying roller, and the anti-fog layer is dried.
9. The preparation process of the anti-fog preservative film according to claim 1, wherein the dried preservative film is conveyed to a winding roller for winding in the step (7).
10. The process for preparing an anti-fog preservative film according to claim 1, wherein an electric field with a positive upper surface and a negative lower surface is generated inside the film coating device in the step (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011381639.0A CN112662000A (en) | 2020-12-01 | 2020-12-01 | Preparation process and processing equipment of anti-fog preservative film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011381639.0A CN112662000A (en) | 2020-12-01 | 2020-12-01 | Preparation process and processing equipment of anti-fog preservative film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112662000A true CN112662000A (en) | 2021-04-16 |
Family
ID=75403971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011381639.0A Pending CN112662000A (en) | 2020-12-01 | 2020-12-01 | Preparation process and processing equipment of anti-fog preservative film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112662000A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1024267A (en) * | 1996-07-12 | 1998-01-27 | Mitsui Eng & Shipbuild Co Ltd | Method of forming water-repellent surface |
| JP2005281679A (en) * | 2004-03-04 | 2005-10-13 | Mitsubishi Chem Mkv Co | Surface-modified plastic film and antifogging film |
| JP2015231718A (en) * | 2014-06-10 | 2015-12-24 | 出光ユニテック株式会社 | Antifogging polyolefin base sheet, method for producing the same, molded body thereof, and molded body for food package |
| CN106240111A (en) * | 2016-07-29 | 2016-12-21 | 江阴市德惠热收缩包装材料有限公司 | The antifog preservative film of high fluorine and preparation technology thereof |
-
2020
- 2020-12-01 CN CN202011381639.0A patent/CN112662000A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1024267A (en) * | 1996-07-12 | 1998-01-27 | Mitsui Eng & Shipbuild Co Ltd | Method of forming water-repellent surface |
| JP2005281679A (en) * | 2004-03-04 | 2005-10-13 | Mitsubishi Chem Mkv Co | Surface-modified plastic film and antifogging film |
| JP2015231718A (en) * | 2014-06-10 | 2015-12-24 | 出光ユニテック株式会社 | Antifogging polyolefin base sheet, method for producing the same, molded body thereof, and molded body for food package |
| CN106240111A (en) * | 2016-07-29 | 2016-12-21 | 江阴市德惠热收缩包装材料有限公司 | The antifog preservative film of high fluorine and preparation technology thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘友朝: "《油漆喷涂手册》", 31 May 1999 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3322593A (en) | Method and apparatus for laminating films | |
| EP3476568A1 (en) | Method and device for sterilizing preform | |
| CN201196525Y (en) | Tunnel type composite drying sterilizer | |
| CN104872278B (en) | A kind of System and method for for killing cereal microorganism and worm's ovum | |
| CN112662000A (en) | Preparation process and processing equipment of anti-fog preservative film | |
| CN112500601B (en) | Preparation method and production device of xanthan gum based preservative film | |
| JP6482089B2 (en) | Production line and method for in-line processing of food products | |
| CN205747849U (en) | A kind of Novel grain drying device | |
| CN209500333U (en) | A sterilizing device for down processing with drying function | |
| CN212902447U (en) | Drying equipment for film processing | |
| CN112590181B (en) | Preparation and production system of an agricultural product fresh-keeping composite film | |
| CN112477210B (en) | Preparation and preservation method of longan preservative film | |
| CN208896531U (en) | A kind of Bag Making Machine dries corona machine automatically | |
| CN219686319U (en) | Plastic flat wire drawing machine | |
| CN111167660A (en) | Glass protection oil roll coating equipment and glass protection oil roll coating method | |
| CN2520673Y (en) | Micro wave equipment for heating & keeping green colour & drying tea | |
| CN216261780U (en) | Improved generation gumming cord fabric drying device | |
| CN208998496U (en) | A kind of multilayer Bactericidal drying-machine for organic fertilizer | |
| CN208170957U (en) | A kind of infrared hot wind Combined drying machine | |
| CN209926734U (en) | Hot air drying system for plastic film | |
| CN108703391A (en) | Fruit handling equipment | |
| CN208604394U (en) | A kind of garment production dust-extraction unit | |
| CN105950050A (en) | Manufacturing process of BOPP hot melt adhesive tape | |
| CN221147105U (en) | A drying device for waiting to restore soil | |
| CN215791164U (en) | Curing device is used in plastic packaging bag production of thermally equivalent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210416 |
|
| RJ01 | Rejection of invention patent application after publication |