KR20060072035A - Environmentally friendly printing sheet for advertisement - Google Patents

Abstract

The present invention relates to an advertising printing sheet, and more particularly, to an advertising printing sheet having excellent printability, durability, and formability and eco-friendliness. The advertising printing sheet of the present invention is 0.1 to 2.0 parts by weight of lubricant, 0.1 to 1.0 part by weight of antioxidant, 0.2 to 0.6 part by weight of UV (UV) stabilizer, and 100 parts by weight of glycol-modified polyethylene terephthalate (PET-G). It is characterized by consisting of a single sheet molded from a resin composition consisting of 4.0 to 30 parts by weight of pigment. The printing sheet according to the present invention is a glycol-modified polyethylene terephthalate (PET-G) is composed of a base synthetic resin, when incineration or fire occurs, does not generate chlorine gas and no harmful components such as environmental hormones, environmentally friendly, glycol modification The product structure is simple because it consists of a single sheet molded from a polyethylene terephthalate (PET-G) resin composition.

Outdoor, Advertising Printing Sheet, PET-G, Antioxidant, Single Sheet, Eco-Friendly

Description

Printed Sheets for Green Advertising {ENVIRONMENTALLY FRIENDLY PRINTING SHEET FOR ADVERTISEMENT}             

1 is a cross-sectional view of a printing sheet for outdoor advertising according to the prior art.

2 is a manufacturing process diagram of the printing sheet for outdoor advertising of FIG.

Explanation of symbols on the main parts of the drawings

11: PVC sheet 12: adhesive

13: polyester woven fabric

The present invention relates to a printing sheet for eco-friendly advertising, and more specifically, glycol modified polyethylene terephthalate (PET-G) The present invention relates to an advertisement printing sheet that is excellent in printability, durability, and formability, and which is eco-friendly.

In general, as the printing sheet for outdoor advertising, as shown in FIGS. 1 and 2, a semi-vinyl polyvinyl chloride (PVC) sheet (Sheet, 11) is adhered to both sides of the polyester woven fabric 13. The one laminated by (12) is mainly used. The advertising printing sheet is manufactured by manufacturing a PVC sheet 11 by a calender process, then coating an adhesive 12 on the PVC sheet 11 and then plywood the polyester woven fabric 13 and the PVC sheet 11. do.

However, the conventional advertising printing sheet as described above is excellent in printability and durability, but there is a problem that the disadvantages of being easily deformed due to the shrinkage problem of the PVC material and incineration, a large amount of harmful components are released.

In order to solve this problem, a polyethylene terephthalate (PET) film is laminated on the PVC sheet 11 laminated on both sides of the polyester woven fabric 13 (Korean Patent Laid-Open Publication No. 2000-0060437). Attempts have been made to improve deformation problems due to shrinkage. However, it is composed of a plurality of laminated structure, the production process is complicated, as well as product cost is lowered due to the increase of material cost, etc., the demand for environmentally friendly materials still remains a problem. That is, the Patent Publication No. 2000-0060437 supplements the shaping by laminating polyester woven fabric and film because the semi-rigid PVC material lacks the shaping due to curling and shrinkage, but the product structure and manufacturing process is complicated However, PVC materials are still used, and in case of incineration or fire, environmental problems such as chlorine gas release and environmental hormones caused by plasticizers have not been solved.

Accordingly, the present invention is to solve the shortcomings of the composite material complementing the different physical properties and to provide an advertising printing sheet having a matching characteristic as an outdoor advertising sheet as a single material. Specifically, the present invention is to solve the problems of the prior art is to provide an advertising printing sheet having excellent printability, durability and formability while having environmentally friendly characteristics.

The object of the present invention is a printed sheet for advertising the glycol modified polyethylene terephthalate (Glycol modified polyethylene terephthalate: PET-G) It can achieve by configuring with a resin composition.

The present invention is a printed sheet for advertising, glycol modified polyethylene terephthalate (Glycol modified polyethylene terephthalate: PET-G) It provides an eco-friendly advertising printing sheet, characterized in that the single sheet made of a resin composition.

Specifically, the eco-friendly advertising printing sheet according to the present invention, the glycol-modified polyethylene terephthalate (Glycol modified polyethylene terephthalate: PET-G) resin is composed of a PET-G composition Molded from a resin composition, the PET-G The resin composition is a single sheet made of a single material. And the advertising printing sheet according to the present invention can be molded, manufactured by the calendar processing method.

PET-G Resin composition is glycol modified polyethylene terephthalate (PET-G) It is preferable that a lubricant, an antioxidant, an ultraviolet (UV) stabilizer and a white pigment are added to the resin.

In order to manufacture the advertising printing sheet according to the present invention, the composition should be easy to calendering process, the sheet should be excellent in weather resistance, durability, chemical resistance suitable for outdoor use, there should be no curling or shrinkage, and It is important to have such properties as solvent printability to be excellent.

The above characteristics are 0.1-2.0 parts by weight of lubricant, 0.1-1.0 parts by weight of antioxidant, UV (ultraviolet) based on 100 parts by weight of the glycol-modified polyethylene terephthalate (PET-G) of the PET-G resin composition constituting the advertising printing sheet. UV) stabilizer can be achieved by appropriate composition with 0.2 to 0.6 parts by weight, white pigment 4.0 to 30 parts by weight.

Glycol modified polyethylene terephthalate (PET-G) resin, which is a synthetic resin used in the present invention, is a terephthalic acid (TPA), ethylene glycol (Ethylene Glycol (EG)), cyclohexanediethanol (Cyclohexanedimethanol: It is an amorphous resin copolymerized with CHDM) and has excellent processability, formability, and printability, such as polyvinyl chloride (PVC). In addition, since it is not deformed due to shrinkage and has excellent impact resistance, it is suitable as an advertisement printing sheet, and in case of incineration or fire, it does not generate chlorine gas and has no harmful components such as environmental hormones.

Such glycol-modified polyethylene terephthalate (PET-G) resins are well known, and their preparation methods and products are well known in the general resin manufacturing art.                     

The glycol-modified polyethylene terephthalate (PET-G) resin may be usefully used in the present invention, for example, existing market products such as PET-G resin of the Tsunami GS brand of Eastman, Tennessee, USA. .

However, glycol modified polyethylene terephthalate (PET-G) Since resins are generally easily decomposed by heat and oxygen, they are difficult to process for a long time at high temperatures and have poor light resistance. Accordingly, in the present invention, in order to compensate for the above disadvantages of glycol-modified polyethylene terephthalate, an antioxidant is mixed as a component to improve stability during calendering, and at the same time, an ultraviolet (UV) stabilizer suitable for PET-G resin is mixed. The composition was supplemented to have the same level of light resistance as PVC.

In addition, a lubricant is added to the resin composition to improve processability, and such lubricant is selected from the group consisting of, for example, montan wax, ester montan wax, olefin and amide waxes, and the like. One kind can be used, and the composition ratio is preferably 0.1 to 2.0 parts by weight, particularly preferably 0.5 to 1.5 parts by weight based on 100 parts by weight of PET-G resin. If it is less than the above range, roll adhesion may occur during calendering, and if it exceeds the above range, there may be a problem that the printability is lowered during product use.

In the present invention, the antioxidant is added to prevent the discoloration due to oxygen and heat for calendar processing of PET-G resin, which may include, for example, antioxidants such as amines, phenols, phosphites, and the like. The composition ratio is preferably 0.1 to 1.0 parts by weight, particularly preferably 0.3 to 0.7 parts by weight based on 100 parts by weight of PET-G resin. If the range is less than the above range, yellowing and roll adhesion occur due to decomposition of the PET-G resin during oxidation, and if the range exceeds the above range, there may be a problem of deterioration of the calenderability.

The ultraviolet (UV) stabilizer is added to improve the light resistance of the PET-G resin, such ultraviolet (UV) stabilizer, for example, benzotriazole-based, benzophenone-based, benzoate-based, cyanoacrylate-based The composition ratio is preferably 0.1 to 1.5 parts by weight, particularly preferably 0.2 to 0.6 parts by weight based on 100 parts by weight of the PET-G resin. If it is less than the said range, light resistance improvement cannot be expected, and when it exceeds the said range, there exists a possibility that the problem of workability and a product color may arise.

The white pigment is added to improve the coloring power and hiding power in printing to apply as an advertising material, for example, it may use an inorganic white pigment such as titanium oxide, the composition ratio of 100 parts by weight of PET-G resin It is preferable to use 4.0 to 30 parts by weight with respect to. If it is less than the said range, hiding power will fall, and when it exceeds the said range, there exists a possibility that the processing problem which resin melt viscosity falls may arise.

Eco-friendly advertising printing sheet according to the present invention can be produced by the conventional sheet molding method such as the above-mentioned PET-G resin composition Cured processing. Advertising printing sheet of the present invention is a single layer, the thickness is preferably in the range of 0.1mm to 1.0mm is used as the advertising material.

The mixing of the composition components suitable for calender processing is preferably a method of gelling through a short-barrier, and in the case of gelling through an extruder, it is preferable to use a compound in which the composition is mixed.

Hereinafter, the eco-adhesive advertising printing sheet according to the present invention will be described in more detail.

Example 1

First, as a composition for forming a printing sheet, 0.8 parts by weight of Montan lubricant (trade name of US Clariant, WE-40), phosphite-based antioxidant (Swiss Shiva) based on 100 parts by weight of PET-G resin (Eastman, GS) 0.5 parts by weight of the company's trade name, Irganox B-561), 0.3 parts by weight of an ultraviolet (UV) stabilizer (trade name of Swiss Ciba, Tinuvin-1577), and 6.0 parts by weight of titanium (trade name of Kermekki, CR-834, Australia) To obtain a PET-G resin composition.

Then, the composition was sufficiently gelled in a half-barrier and poured into a calendar roll to prepare a PET-G sheet having a thickness of 0.1 mm. And the light resistance, dynamic heat stability, chemical resistance, dimensional stability, impact strength, printability and the like of the sheet according to the present embodiment was evaluated and the results are shown in the following [Table 1].

Example 2

In preparing the PET-G resin composition, the same process as in Example 1 was conducted except that no antioxidant was added. Then, the PET-G sheet according to the present embodiment was manufactured by the calender processing method as in Example 1, and then the light resistance dynamic heat stability, chemical resistance, dimensional stability, impact strength, printability, and the like were evaluated. The results are shown in the following [Table 1].

Example 3

In preparing the PET-G resin composition, the same process as in Example 1 was conducted except that no ultraviolet (UV) stabilizer was added. Then, the PET-G sheet according to the present embodiment was manufactured by the calender processing method as in Example 1, and then the light resistance dynamic heat stability, chemical resistance, dimensional stability, impact strength, printability, and the like were evaluated. The results are shown in the following [Table 1].

[Comparative Example]

Currently, the commercially available product was applied to this comparative example. Specifically, a commercially available printing sheet for outdoor advertising, in which a sheet of semi-vinyl polyvinyl chloride (PVC) was laminated on both sides of a polyester woven fabric by an adhesive, was used in the market, and the light resistance, dynamic heat stability, Chemical resistance, dimensional stability, impact strength, printability and the like were evaluated in the same manner as the PET-G sheet prepared in Example 1, and the results are shown in the following [Table 1].

Item                                              Example 1 Example 2 Example 3 Comparative example Assessment Methods Light resistance                                              ○ ○ X ○  Q-UV comparison test Dynamic Heat Stability                                              50 minutes 20 minutes 50 minutes 60 minutes  Test roll 180 ℃ Chemical resistance                                              ○ ○ ○ △  MEK, Toluene damage degree Dimensional stability                                              Within 0.2mm Within 0.2mm Within 0.2mm Within 0.5mm  60 ° C, after 3 days Impact strength                                              ○ ○ ○ ○  Saw Blade Impact Strength Comparison Printability                                              ○ ○ ○ ○  Solvent Printability Comparison Manufacturing process number                                              1 step 1 step 1 step 2 step -               * In the above table, ○: good, △: normal, X: shortage.                                             

As shown in Table 1, the PET-G sheet according to Examples 1 to 3 of the present invention has the same level of results in terms of impact strength and printability as compared to conventional PVC products (Comparative Examples). The chemical resistance, dimensional stability and the number of manufacturing processes are significantly improved. In addition, it can be seen from the results of Examples 2 and 3 that it is preferable to mix an antioxidant and an ultraviolet (UV) stabilizer in the composition of the PET-G resin composition to have light resistance and heat stability.

As described above, the advertising printing sheet according to the present invention is composed of a glycol-modified polyethylene terephthalate (PET-G) resin composition when incineration or fire occurs, such as chlorine gas or environmental hormones, such as conventional PVC products are generated There is an effect that does not have eco-friendly properties. In addition, the eco-adhesive printing sheet according to the present invention consists of a single sheet molded from a glycol-modified polyethylene terephthalate (PET-G) resin composition, that is, a glycol-modified polyethylene terephthalate (PET-G) resin composition. And a simple manufacturing process is advantageous in terms of cost. In addition, the advertising printing sheet according to the present invention has excellent weather resistance, durability, chemical resistance and solvent printing aptitude suitable for outdoor use, and has no effect of curling or shrinking.

Claims (6)

In the advertising printing sheet, The advertising printing sheet is glycol modified polyethylene terephthalate (Glycol modified polyethylene terephthalate: PET-G) Eco-friendly advertising printing sheet, characterized in that the single sheet made of a resin composition. The method of claim 1, wherein the glycol modified polyethylene terephthalate (PET-G) Eco-friendly advertising printing sheet, characterized in that the resin composition consists of a glycol-modified polyethylene terephthalate (PET-G) resin, a lubricant, an antioxidant, an ultraviolet (UV) stabilizer and a white pigment. The method of claim 1, wherein the glycol modified polyethylene terephthalate (PET-G) The resin composition is 0.1 to 2.0 parts by weight of lubricant, 0.1 to 1.0 parts by weight of antioxidant, 0.1 to 1.5 parts by weight of UV (UV) stabilizer and white to 100 parts by weight of glycol modified polyethylene terephthalate (PET-G) Eco-friendly advertising printing sheet, characterized in that consisting of 4.0 to 30 parts by weight of pigment. The method of claim 3, wherein the glycol modified polyethylene terephthalate (PET-G) The resin composition is 0.5 to 1.5 parts by weight of lubricant, 0.3 to 0.7 parts by weight of antioxidant, 0.2 to 0.6 parts by weight of ultraviolet (UV) stabilizer, and white to 100 parts by weight of glycol modified polyethylene terephthalate (PET-G). Eco-friendly advertising printing sheet, characterized in that consisting of 4.0 to 30 parts by weight of pigment. The lubricant according to any one of claims 2 to 4, wherein the lubricant is one selected from the group consisting of montan wax, ester montan wax, olefinic and amide waxes. Eco-friendly advertising printing sheet. The eco-friendly advertising printing sheet according to any one of claims 2 to 4, wherein the antioxidant is phosphite-based.

Images