KR20190001420A - Calender and T-die integrated thermoplastic film/sheet production facility and method for preparing the thermoplastic film/sheet using the same - Google Patents

Abstract

Provided are calender and T-die integrated-type thermoplastic film/sheet manufacturing facilities, in which calender facilities and T-die extrusion facilities are constructed in a single form, and a method for manufacturing a thermoplastic film/sheet by using the same. The calender and T-die integrated-type thermoplastic film/sheet manufacturing facilities comprise: a T-die extrusion unit comprising a mixer (140) which mixes raw materials, at least one extruder (150) which melts and extrudes the mixed raw materials, and a T-die (160) which is located under the extruder (150) and molds the raw materials supplied from the extruder (150) into the shape of a film or a sheet; and a calender rolling/winding unit which is arranged to correspond to a front end portion of the T-die (160) and comprises a calender roll (170) for rolling the film or the sheet fed from the T-die (160) and a winder (220) for winding the rolled film or sheet. The present invention is to manufacture a film/sheet within a short time.

Description

[0001] The present invention relates to a calender and a T-die integrated thermoplastic film / sheet manufacturing facility and a manufacturing method of a thermoplastic film / sheet using the same,

The present invention relates to a calender and a T-die integrated thermoplastic film / sheet manufacturing facility and a method of manufacturing a thermoplastic film / sheet using the same, and more particularly, to a calender and a T- Die-integrated thermoplastic film / sheet manufacturing equipment and a method for manufacturing a thermoplastic film / sheet using the same.

Various films and sheets used as decorative materials for interior finishing surfaces are manufactured by respective facilities having different manufacturing methods, for example, calendering facilities and T-die facilities. FIG. 1 is a block diagram showing a conventional calendar system, and FIG. 2 is a block diagram showing a conventional T-die system. Reference numeral 2 denotes a mixer, numeral 4 denotes an extruder, numeral 6 denotes a mixing roll, numeral 8 denotes a conveyer, numeral 10 denotes a calendar roll, numeral 12 denotes take-up roll, numeral 14 denotes rubber roll, numeral 16 denotes emboss roll Reference numeral 26 denotes a compounder, reference numeral 28 denotes an extruder, reference numeral 30 denotes a T-die, reference numeral 32 denotes a polishing roll, , And 34 denotes a winder, respectively.

The calendering method is a method in which the supplied raw materials are mixed and melted and then aged by passing through a mixing roll 6 and then rolled in a calender roll 10 to adjust the width and the thickness and the rubber roll 14 and the emboss roll 16, a specific shape is formed on the surface thereof, and the product is cooled and cooled by the winder 20 to wind the product.

In the T-die system, a plate or film is formed by mixing and extruding a raw material and passing through the T-die 30, and then the film or sheet is flattened while passing through the polishing roll 32, After the shape of the winder 34 is completed, the product is wound through the winder 34.

ABS resin, PET and ASA resin-based films, which are produced by conventional calendar facilities as shown in Fig. 1 and based on PVC resins, In the case of the sheet, it is manufactured by a conventional T-die extrusion apparatus as shown in Fig.

Korea Utility Model Registration 20-0227910

As described above, since each film / sheet manufacturing facility has a limitation that only a specific number can be applied, various attempts have been made so that a wider range of resins can be applied. Among them, attempts have been made to apply PP, ABS, PET and ASA resin instead of PVC resin to the calendering facilities, but it was impossible to produce the product because of the fluctuation of process temperature such as extruder, mixing, calender roll and take-up roll (that is, PVC resin can be manufactured because it has ductility, but other resins are less elongated than PVC resin due to resin characteristics), and productivity and quality are lowered when partial equipment is changed A problem has occurred.

In addition, when PVC resin is produced by using T-die equipment, it is not possible to produce PVC due to its nature due to its resin properties, and mass production of PP, ABS, PET and ASA resins is not easy due to T- There is a problem that it takes a long time to replace the equipment such as the replacement of the polishing roll and the dies when adjusting the thickness and width of the product. Therefore, in the related field, researches have been continued to solve the above problems, and to enable production of various kinds of products in one facility.

Accordingly, an object of the present invention is to provide a film / sheet which can be produced in a conventional facility and a T-die facility in a single facility in a short period of time and can be mass produced and thinned , Calender equipment and T-die extrusion equipment in a single form, and to provide a method of manufacturing a thermoplastic film / sheet using the calender and T-die integrated thermoplastic film / sheet manufacturing facility.

In order to achieve the above object, the present invention provides an extruder (150), comprising a blender (140) for mixing raw materials, at least one extruder (150) for melting and extruding the blended raw material, A T-die extruder including a T-die 160 for forming a raw material supplied from a T-die 150 in the form of a film or a sheet; And a calender roll 170 provided corresponding to the tip of the T-die 160 for rolling a film or a sheet fed by the T-die 160 and a calender roll 170 for winding the rolled film or sheet And a calender rolling / rolling section including a winder 220. The T-die integral type thermoplastic film /

In addition, the present invention provides a method of manufacturing a liquid crystal display, comprising: mixing a raw material in a blender (140); Melting and extruding the mixed raw materials into one or more extruders (150); Molding the raw material supplied from the extruder 150 in the form of a film or a sheet through a T-die 160 located below the extruder 150; Rolling a film or sheet fed by the T-die (160) through a calender roll (170) adapted to correspond to a tip of the T-die (160); And winding the rolled film or sheet with a winder (220).

According to the calender and T-die integrated thermoplastic film / sheet production facility and the thermoplastic film / sheet production method using the same according to the present invention, by making the calendar system and the T-die extrusion system into a single form, - It is advantageous not only that the film / sheet which could be manufactured by the die equipment can be manufactured in a single facility in a short time, but also mass production and film / sheet thinning are possible.

1 is a block diagram showing a conventional calendar facility.
Figure 2 is a block diagram showing a typical T-die installation.
3 is a block diagram of a calender and T-die integral thermoplastic film / sheet manufacturing facility in accordance with an embodiment of the present invention.
4 is a block diagram of a calender and T-die integral thermoplastic film / sheet manufacturing facility in accordance with another embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

3 is a block diagram of a calender and T-die integral thermoplastic film / sheet manufacturing facility in accordance with an embodiment of the present invention. 3, the calendering and T-die integral type thermoplastic film / sheet production equipment according to the present invention comprises a blender 140 for mixing raw materials, at least one extruder 150 for melting and extruding the blended raw materials, And a T-die extruder 160 disposed at a lower portion of the extruder 150 and configured to form a raw material supplied from the extruder 150 in the form of a film or sheet and a T- A calender roll 170 for rolling the film or sheet fed by the T-die 160 and a winder 220 for winding the rolled film or sheet, / RTI > rolling < / RTI >

The calendered and T-die integrated thermoplastic film / sheet manufacturing equipment according to the present invention can be manufactured by combining only the merits of each of the existing T-die extrusion facility and the calendar rolling facility as described above, that is, the melted resin in the T- Thereby enabling mass production of the film / sheet through high-speed rotation of the calender roll. This is a unique window complex of the present invention which has not been found in the past.

The number of the extruder 150 may vary depending on the structure of the target film or sheet. When the film or sheet is to be formed into a multi-layer structure, the number of the extruder 150 may be two or more. You can set the installation conditions without any limit. Meanwhile, the number of the compounders 140 may be variously set according to the number of the extruders 150. However, the working temperature of the extruder 150 may be performed at 160 to 300 ° C, preferably 180 to 270 ° C, taking into consideration the respective resin characteristics.

The T-die 160 is formed by molding a raw material, which is melted and pushed into the extruder 150, into a film or a sheet. The T- The film or sheet is extruded and supplied. It is preferable that the extruder 150 is provided under the extruder 150 so that the extruded material can be easily extruded from the extruder 150. In addition, And the specification of the T-die 160 are not particularly limited, and can be in accordance with known techniques.

The calendar roll 170 then rolls the film or sheet fed by the T-die 160 to adjust the width and thickness of the film / sheet . Therefore, the calendering roll 170 is provided to correspond to the tip of the T-die 160, and the rolling process of the calendering roll 170 is performed at 160 to 250 DEG C, At a temperature of 180 to 230 DEG C and at a rate of 80 to 160 m / min, preferably 40 to 120 m / min.

The number of the calendar rolls 170 is not particularly limited as long as the film or sheet fed by the T-die 160 can be rolled to adjust the width and thickness of the film / sheet. However, at least one pair must be present to roll the film / sheet, and one or more rolls may be added in the free form, if desired. For example, it may be a Z shape, an inclined Z shape, or a B shape in addition to the 'a' shape as shown in FIG. In addition, the rest of the matters related to the calendar roll 170 and the details of the winder 220 may be in accordance with known techniques.

The films and sheets wound through the above-described manufacturing facilities, that is, the films and sheets produced by the calendaring and T-die integrated manufacturing facilities according to the present invention, are made of polypropylene (PP), acrylonitrile butadiene styrene (ABS), polyethylene terephthalate (PET), and acrylonitrile styrene acrylate (ASA).

The thickness of the wound film and sheet is 0.05 to 2 mm, preferably 0.07 to 1.2 mm, and the surface flatness is 0.5 to 5 mm, preferably 0.5 to 2 mm. The calender according to the present invention and T The use of a die-integrated thermoplastic film / sheet manufacturing facility enables the production of a thin and flat film / sheet as described above, so that it can be applied to various surfaces such as furniture as well as a surface finishing agent for interior use.

On the other hand, the above-described calender and T-die integrated thermoplastic film / sheet manufacturing facility can be manufactured by adjusting the width and the flatness of the rolled film or sheet in the calendar roll 170, A take-up roll 180 for holding the film or sheet in a flat state, a rubber roll 190 for passing a film or sheet vertically disposed therebetween and supplied from the take-up roll 180 to form a specific shape on the surface of the film or sheet, A roll 200 and a cooling roll 210 for cooling the film or sheet.

4 is a block diagram of a calender and T-die integral thermoplastic film / sheet manufacturing facility in accordance with another embodiment of the present invention. 4, the calendaring and T-die integrated thermoplastic film / sheet manufacturing equipment includes a mixer 100 for mixing the raw materials as required, at least one extruder 110 for melting and extruding the mixed raw materials And a mixing roll 120 for warming the molten raw material and kneading the molten raw material uniformly, and a calendering raw material preprocessing unit.

In addition, the calendering raw material preprocessing unit may further include a conveyor 130 serving as a smooth transporting film / sheet. Also, the calender raw material pre-processing unit should be installed at a proper position so that the film / sheet discharged from the mixing roll 120 or the conveyor 130 can be supplied to the calendar roll 170.

When the calender raw material preprocessing portion is further included, the shape excluding the T-die extruding portions 140, 150, and 160 is similar to the existing calendar rolling facility. Therefore, when the integrated thermoplastic film / sheet production facility further includes a calendering raw material pre-processing unit, the path through the calender raw material preprocessing unit and the calendar rolling / winding unit (i.e., 100, 110, 120, 130, To a polyvinyl chloride (PVC) film / sheet.

In other words, if polypropylene (PP), acrylonitrile butadiene styrene (ABS), polyethylene terephthalate (PET), or acrylonitrile styrene acrylate (ASA) is supplied from the T-die 160, The extrusion unit may not be operated when the polyvinyl chloride (PVC) film / sheet is fed from the mixing roll 120 or the conveyor 130 of the pre-calender raw material preparation unit. However, if necessary, the compounds may be simultaneously supplied to the respective process lines and collected in the calender roll 170.

Next, with reference to Fig. 3, a description will be given of a method for producing a thermoplastic film / sheet (using calendaring and T-die integral type thermoplastic film / sheet production equipment) according to the present invention. The method for producing the thermoplastic film / sheet comprises the steps of mixing raw materials in a blender 140 (step 1), melting and extruding the blended raw materials with one or more extruders 150 (step 2) (Step 3) of forming a raw material supplied from the extruder 150 in the form of a film or a sheet through a T-die 160 located at a lower portion of the T-die 150 (Step 4) of rolling a film or a sheet fed from the T-die 160 through a calender roll 170 which is provided to the rolled film or sheet, (Step 5).

The production rate in the production of the thermoplastic film / sheet is 10 to 150 m / min, preferably 40 to 150 m / min, more preferably 100 to 150 m / min, and varies depending on the characteristics of the intended product Can be adjusted. In addition, in the above-mentioned method for producing a thermoplastic film / sheet, the working temperature of the extruder 150, the rolling process temperature and the speed of the calender roll 170, and the like are measured in the above calender and T-die integrated thermoplastic film / I will comply.

The method of manufacturing a thermoplastic film / sheet according to another embodiment of the present invention (see FIG. 4) includes mixing raw materials in a mixer 100, melting and extruding the mixed raw materials into one or more extruders 110 Rolling the molten raw material by heating with a mixing roll 120 to uniformly knead the melted raw material, rolling the film or sheet fed by the mixing roll 120 through the calender roll 170, And winding the rolled film or sheet with the winder 220.

Hereinafter, the present invention will be described in more detail with reference to specific examples. The following examples illustrate the present invention and are not intended to limit the scope of the present invention.

[Example 1] Production of ABS film using an integrated thermoplastic film production facility

The molten ABS raw material was molded into a film form on a T-die and then extrusion-fed to a calender roll equipped to correspond to the tip of the T-die. Subsequently, the film was rolled through a calender roll to adjust the width and thickness of the film, and then the take-up roll, the rubber roll and the emboss roll, and the cooling roll were sequentially passed to produce an ABS film.

[Example 2] Production of PET film using integrated thermoplastic film production equipment

A PET film was produced in the same manner as in Example 1 except that ABS was changed to PET.

[Example 3] Production of ASA film using an integrated thermoplastic film production facility

An ASA film was produced in the same manner as in Example 1 except that ABS was changed to ASA.

[Comparative Example 1] Production of ABS film using a conventional T- die facility

An ABS film was prepared by a conventional T-die facility.

[Comparative Example 2] Production of PET film using ordinary T- die equipment

A PET film was produced by a conventional T-die facility.

[Comparative Example 3] Production of ASA film using ordinary T- die equipment

An ASA film was produced by a conventional T-die facility.

[Comparative Example 4] Production of PVC film using ordinary calendar rolling facility

A PVC film was produced by a conventional calendar rolling facility.

[Examples 1 to 3, Comparative Examples 1 to 4] Evaluation of Film Thickness and Productivity

Thicknesses and production rates of the films prepared in Examples 1 to 3 and Comparative Examples 1 to 4 were measured, and the results are shown in Table 1 below.

Film type Production rate (m / min) Film thickness (mm) Example 1 ABS 120 0.05 Example 2 PET 120 0.05 Example 3 ASA 120 0.05 Comparative Example 1 ABS 30 0.15 Comparative Example 2 PET 30 0.15 Comparative Example 3 ASA 30 0.15 Comparative Example 4 PVC 150 0.05

As shown in Table 1, when ABS, PET and ASA films were produced using the calender and T-die integral type thermoplastic film / sheet production facilities according to the present invention (Examples 1 to 3) It was confirmed that the production speed was improved and the thickness of the film was thinner as compared with the case of using the equipment (Comparative Examples 1 to 3). It can be seen from the above Examples 1 to 3 that the production speed and the film thickness are close to the similar level even when compared with the case of producing a PVC film using a conventional calendar rolling facility.

Therefore, the present invention is advantageous in that it is possible to manufacture a film / sheet, which can be produced in a conventional calendar rolling facility and a T-die facility, in a short time without replacing it in one facility, It is no longer necessary to use the existing T-die equipment used for manufacturing the ABS, PET and ASA, and to apply it to the existing calendar rolling facility for producing films such as ABS, PET and ASA.

Claims (5)

A mixer 140 for mixing the raw materials, at least one extruder 150 for melting and extruding the mixed raw materials, and a mixer 140 located below the extruder 150. The mixer 140 mixes the raw materials supplied from the extruder 150 with a film or sheet A T-die extruder including a T-die 160 which is shaped in the form of a T-die; And
A calender roll 170 provided corresponding to the tip of the T-die 160 for rolling a film or a sheet fed by the T-die 160 and a wine roll 170 for winding the rolled film or sheet And a calender rolling / winding unit comprising a further (220) caliper. The method of claim 1, wherein the film and sheet comprise one or more thermoplastics selected from the group consisting of polypropylene (PP), acrylonitrile butadiene styrene (ABS), polyethylene terephthalate (PET), and acrylonitrile styrene acrylate A calendered and T-die integral thermoplastic film / sheet manufacturing facility, characterized in that it comprises a resin. The calendered and T-die integral thermoplastic film / sheet manufacturing facility according to claim 1, wherein the thickness of the wound film and sheet is 0.05 to 2 mm and the surface flatness is 0.5 to 5 mm. The integrated thermoplastic film / sheet manufacturing facility of claim 1, wherein the integrated thermoplastic film / sheet manufacturing facility comprises a take-up roll (180) for maintaining the width and flatness of the film or sheet rolled in the calender roll (170) Up roll 180 and passes the film or sheet fed from the take-up roll 180 to form a rubber roll 190 and an emboss roll 200 which form a specific shape on the surface of the film or sheet, and a cooling roll (210). ≪ / RTI > A calendered and T-die integrated thermoplastic film / sheet manufacturing facility. Mixing the raw materials in the blender 140;
Melting and extruding the mixed raw materials into one or more extruders (150);
Molding the raw material supplied from the extruder 150 in the form of a film or a sheet through a T-die 160 located below the extruder 150;
Rolling a film or sheet fed by the T-die (160) through a calender roll (170) adapted to correspond to a tip of the T-die (160); And
And winding the rolled film or sheet with a winder (220).

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