CN102205638A - Technology for producing transparent bubble-free PVC calendering membrane - Google Patents
Technology for producing transparent bubble-free PVC calendering membrane Download PDFInfo
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- CN102205638A CN102205638A CN2011100665270A CN201110066527A CN102205638A CN 102205638 A CN102205638 A CN 102205638A CN 2011100665270 A CN2011100665270 A CN 2011100665270A CN 201110066527 A CN201110066527 A CN 201110066527A CN 102205638 A CN102205638 A CN 102205638A
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- calendered film
- transparent
- production technology
- wheel
- bag gas
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Abstract
The invention discloses a technology for producing transparent bubble-free PVC calendering membrane. The technology comprises the following steps: rolling the calendering membrane came out from a calendar through a mirror surface electroplating wheel, rapidly cooling the sandblasted molding wheels, entering a guiding-taking wheel and further cooling for forming, cooling and transiting, then trimming and reeling. The molding wheels are processed by sand-blast, wherein the roughness of the molding wheels is Ra2.5 to 4.0, a vertical arrangement or an arrangement of 0 to 45 DEG of angle is formed between the forming wheels, wherein the temperature is from 30 to 80 DEG C. Diameter of the guiding-taking wheel is from 160 to 200 mm. The calendering membrane is passed through the sandblasted molding wheels, the surface has a slight concave convex structure. Air is capable of escaping through the concave convex structure without generating bubble when reeling the product, thereby the quality of the product can be improved. Simultaneously oil stain is thrown by the molding wheels, and the speed of reeling product can be increased as well as the production efficiency can be improved.
Description
Technical field:
The present invention relates to the preparation method of plastic sheeting, relate in particular to the production technology of transparent no bag gas PVC calendered film.
Background technology:
The transparent PVC calendered film generally is used for doing trade mark label, stationery, packaging material, photograph diaphragm etc.Traditional production technology is: calendered film is come out from calender after draw and get the wheel cooling and shaping, again through cooled transition, enters then and cuts edge and batch link.When batching product, air is entered, otherwise can produce bag gas between film and the film, product is opened the back and formed the air seal, and is very ugly, influence the outward appearance and the quality of product, even can influence printing, often causes the client to be unsatisfied with and returns goods.In order to make the calendered film of batching not have bag gas, the method that tradition is taked has two kinds, and a kind of is that pressurization is batched, and another kind is that dusting is batched.The increase along with coil diameter is batched in pressurization, and the shrinkage factor on calendered film surface and tension force continue to change, and influence the quality of product; Dusting is batched has both increased operation and cost, can cause dust to fill the air contaminated air again; In addition, draw and get wheel and can produce oil mark, need arrange wiper on the wheel in order to wiping oil content drawing to get, and need periodic replacement wiper, very trouble.
Summary of the invention:
The object of the present invention is to provide a kind of neither need the pressurization batch the no bag gas PVC calendered film production technology that does not need dusting to batch again.
The production technology of transparent no bag gas PVC calendered film of the present invention, calendered film comes out to cool off fast through briquetting roller then after the minute surface electroplating wheel rolls from calender, enters to draw to get the further cooling forming of wheel again, through cooled transition, enter side cut afterwards and batch link again; Described briquetting roller is through blasting treatment.
The roughness of described briquetting roller sandblast is Ra2.5-4.0.
Arranged vertical or be 0-45 degree angle and arrange between the described briquetting roller.
Described briquetting roller has two, described two briquetting roller arranged verticals.
The temperature of described briquetting roller is 30-80 ℃.
The described diameter of getting wheel that draws is 160-200mm.
Described calender is a four-roll calender, and it draws the quantity of getting wheel is 7.
Described calender is five roll calendars, and it draws the quantity of getting wheel is 6.
The present invention, after the PVC calendered film is come out from calender through the briquetting roller of sandblast, the calendered film surface no longer is the sliding minute surface of non-ordinary light, but has extremely trickle concaveconvex structure, when batching product, gas can be overflowed by concaveconvex structure, can not produce bag gas phenomenon, avoided pressurization to batch, improved the quality of product greatly the capillary influence of calendered film.Being controlled between Ra2.5-4.0 of briquetting roller roughness makes the product printing opacity see no decorative pattern, to the not influence of outward appearance of product.The briquetting roller of sandblast throws away oil content when running up, and oil stain is unlikely to attached to wheel surface, has removed the link that wiper deoils from; Because oil stain is thrown out of, can strengthen the speed that product batches simultaneously, enhance productivity greatly.
Description of drawings:
Accompanying drawing is a technical process sketch of the present invention.
The specific embodiment:
The present invention is further illustrated below in conjunction with embodiment.
The preamble of technology of the present invention is identical substantially with prior art, that is: all materials that comprise the PVC powder mix through high-speed mixer, enter banbury afterwards and carry out banburying, enter the mill plasticizing again, enter filter further plasticizing and impurity screening then, be delivered to calender and finally plastify and first one-step forming.As shown in drawings, after calendered film is come out from the pinch roller of calender, through the spreading of minute surface electroplating wheel, the surface of guaranteeing product is a minute surface, to increase the luminosity of product, calendered film enters 2 vertically disposed briquetting rollers after the electroplating wheel spreading, and briquetting roller is sandblast, its temperature can be 0-45 degree angle and arrange between 30-80 ℃ between the briquetting roller.The oil stain that briquetting roller runs up on the hour wheel is thrown out of, oil stain is no longer attached to wheel surface, in order to guarantee that oil content throws away, must spray enough thick sand, but sand is too thick, can make the calendered film surface stay tangible decorative pattern again, influence product quality, so the roughness that requires sandblast is between Ra2.5-4.0.Calendered film is through behind the briquetting roller of sandblast, and its surface has extremely trickle concaveconvex structure, and when batching product, gas can be overflowed by concaveconvex structure, can not produce bag gas phenomenon.The product mode of batching can adopt central coiling, also can adopt surface reel.
Fall owing to oil stain is processed, draw to get on the wheel and needn't arrange wiper, can be decreased to 160-200mm by 250mm of the prior art so draw the diameter of getting wheel, the flatness of calendered film is improved.
When calender was four-roll calender, it draws the quantity of getting wheel was 7.
When calender was five roll calendars, it draws the quantity of getting wheel was 6.
Claims (8)
1. the production technology of transparent no bag gas PVC calendered film, it is characterized in that: calendered film comes out to cool off fast through briquetting roller then after the minute surface electroplating wheel rolls from calender, enters to draw to get the further cooling forming of wheel again, through cooled transition, enter side cut afterwards and batch link again; Described briquetting roller is through blasting treatment.
2. the production technology of transparent no bag gas PVC calendered film as claimed in claim 1 is characterized in that: the roughness of described its sandblast of briquetting roller is Ra2.5-4.0.
3. the production technology of transparent no bag gas PVC calendered film as claimed in claim 1 is characterized in that: arranged vertical or be 0-45 degree angle and arrange between the described briquetting roller.
4. the production technology of transparent no bag gas PVC calendered film as claimed in claim 3 is characterized in that: described briquetting roller has two, described two briquetting roller arranged verticals.
5. as the production technology of claim 1 or 4 described transparent no bag gas PVC calendered film, it is characterized in that: the temperature of described briquetting roller is 30-80 ℃.
6. the production technology of transparent no bag gas PVC calendered film as claimed in claim 1 is characterized in that: the described diameter of getting wheel that draws is 160-200mm.
7. the production technology of transparent no bag gas PVC calendered film as claimed in claim 1 is characterized in that: described calender is a four-roll calender, and it draws the quantity of getting wheel is 7.
8. the production technology of transparent no bag gas PVC calendered film as claimed in claim 1 is characterized in that: described calender is five roll calendars, and it draws the quantity of getting wheel is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100665270A CN102205638A (en) | 2011-03-11 | 2011-03-11 | Technology for producing transparent bubble-free PVC calendering membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100665270A CN102205638A (en) | 2011-03-11 | 2011-03-11 | Technology for producing transparent bubble-free PVC calendering membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102205638A true CN102205638A (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100665270A Pending CN102205638A (en) | 2011-03-11 | 2011-03-11 | Technology for producing transparent bubble-free PVC calendering membrane |
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| CN (1) | CN102205638A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107244029A (en) * | 2017-06-08 | 2017-10-13 | 广州雷诺丽特塑料有限公司 | A kind of PVC advertisement films and preparation method thereof |
| CN112677050A (en) * | 2020-12-15 | 2021-04-20 | 江苏海乐塑胶有限公司 | Device for improving surface glossiness of PVC calendering film |
| CN111545369B (en) * | 2020-05-25 | 2021-12-10 | 河南艺龙实业有限公司 | Dust collecting and preventing device for powder sprayer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1182772A (en) * | 1997-11-11 | 1998-05-27 | 南亚塑胶工业股份有限公司 | Method for making soft transparent polyvinyl-chloride adhesive plaster without surface wrinkle and concave marks |
| CN1735498A (en) * | 2003-01-14 | 2006-02-15 | 株式会社普利司通 | Method and device for forming groove line in sheet-like member |
-
2011
- 2011-03-11 CN CN2011100665270A patent/CN102205638A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1182772A (en) * | 1997-11-11 | 1998-05-27 | 南亚塑胶工业股份有限公司 | Method for making soft transparent polyvinyl-chloride adhesive plaster without surface wrinkle and concave marks |
| CN1735498A (en) * | 2003-01-14 | 2006-02-15 | 株式会社普利司通 | Method and device for forming groove line in sheet-like member |
Non-Patent Citations (1)
| Title |
|---|
| 马礼中: "PVC压延膜生产技术", 《聚氯乙烯》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107244029A (en) * | 2017-06-08 | 2017-10-13 | 广州雷诺丽特塑料有限公司 | A kind of PVC advertisement films and preparation method thereof |
| CN111545369B (en) * | 2020-05-25 | 2021-12-10 | 河南艺龙实业有限公司 | Dust collecting and preventing device for powder sprayer |
| CN112677050A (en) * | 2020-12-15 | 2021-04-20 | 江苏海乐塑胶有限公司 | Device for improving surface glossiness of PVC calendering film |
| CN112677050B (en) * | 2020-12-15 | 2022-07-05 | 江苏海乐塑胶有限公司 | Device for improving surface glossiness of PVC calendering film |
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Application publication date: 20111005 |