KR101359624B1 - Firm for artificial nail sticker having improved wearable and properties - Google Patents

Abstract

The present invention relates to a film for artificial nail stickers with improved fit and physical properties. The film for artificial nail stickers according to the present invention is excellent in tensile strength, excellent in fit, free of wrinkles and lifting, excellent in printability and film processability, and excellent in cutting properties for nail files. In addition, as a plasticizer, since an environment-friendly plasticizer is used, the side effects of the plasticizer that interfere with the normal function of the conventional endocrine system can be lowered, and thus can be usefully used as a film for artificial nail stickers.

Description

Film for artificial nail sticker having improved wearable and properties

The present invention relates to a film for artificial nail stickers with improved fit and physical properties. Specifically, the present invention provides a comfortable fit, no wrinkles and no lifting, excellent printability and film processability, and cutting property for nail files. A very good film for artificial nail sticker.

In general, women make their hands and nails beautiful as a means of dressing up and preserving them beautifully. As such, nail beauty is not only established as a part of fashion, but also the completion of overall coordination, and is recognized as an indispensable part. Moreover, due to the development of the modern beauty industry, there are increasing trends in which various shapes and characters can be printed instead of simple manicures (Nail art) or artificial nails are used to produce personality and beauty.

However, in the case of nail art for applying nail polish to nails, the work is not only very cumbersome and demanding, but also requires a long time, and in the case of the above-mentioned nail art, it is not easy to draw it by yourself, so it is necessary to pay a high cost to a specialist and provide services. In most cases, the various shapes and characters printed on the nails are erased within a few days as a result of frequent hand washing, resulting in inefficient effects compared to the high cost.

In order to secure the shortcomings of these manicures, 'gel' type liquid is used in appearance that is not different from ordinary manicure. Unlike other manicures, this 'gel' type manicure does not require dry after the procedure and does not have any flaws even if it is hit or bumped, so there is no great burden in daily life (including sauna, sports, etc.) Although it is known that color and luster last for 3-4 weeks, it is difficult to remove the nail polish applied to the nail after the 'gel' type liquid nail polish procedure. When applied for a long time, there are problems such as thinning of the nails, cracking of the nails, floating of the nails, and the like.

Artificial nails are used as a method to solve the above problems, but artificial nails are hard materials made by imitating natural nails and have the disadvantage of being easily damaged and falling well even on small impacts. There is a problem that it is not easy for an individual to make it at home because it has to go through, and when artificial nails are purchased and used on the market, artificial nails are not provided with an adhesive means on the back of the artificial nails, and thus an adhesive can be used. In this case, if the adhesive is removed due to the adhesive attached to the back surface of the nail, there is a problem that the back surface of the artificial nail cannot recycle the messy nail, and the skin trouble occurs while using the remover to remove the adhesive attached to the back of the nail. It can also occur.

In order to overcome these problems, an adhesive sticker for artificial nails has been developed. However, there is a problem that bubbles are generated during adhesion of the adhesive sticker to the back of the artificial nails and the adhesive strength is significantly reduced. There is a problem of contamination.

In addition, it is used to attach a sticker to the nail as a decorative method in a different way, but most of them have a flat simple configuration, and the disadvantage is not good touch.

Meanwhile, wrap-type products are being marketed to cover natural nails or artificial nails with damaged surfaces, and to repair nails and increase the strength of nails themselves. The wrap may be fabricated in fabric or paper in a similar size and shape to the nail and attached to the nail using adhesive, and ready-made products made in the size and shape of the nail are also sold. However, the sticker-type wrap is almost a children's toy level and there is a problem that the edge portion of the sticker attached to the nail during use is easily peeled off due to contaminants and the like, so that the attached state does not last so long.

Thus, the inventors have completed the present invention by manufacturing a film for artificial nail stickers with improved physical properties such as fit and elastic modulus to solve the above problems.

The problem to be solved of the present invention is to provide a film for artificial nail sticker to solve the conventional problems.

In order to solve the above problems, the present invention in the film for artificial nail stickers,

(a) As resin, one or a mixture thereof selected from the group consisting of polyvinyl chloride (PVC), ethylene / vinyl acetate / carbon monooxide copolymer and thermoplastic polyurethane (TPU); And

(b) provides a film for artificial nail stickers comprising a plasticizer.

The film for artificial nail stickers according to the present invention is excellent in tensile strength, excellent in fit, free of wrinkles and lifting, excellent in printability and film processability, and excellent in cutting properties for nail files. In addition, as a plasticizer, since an environmentally friendly plasticizer is used, the side effects of the plasticizer that interfere with the normal function of the conventional endocrine system can be lowered, and thus can be usefully used as a film for artificial nail stickers.

1 is a view showing a result of directly inadequate nail nail film for an artificial nail sticker of an embodiment of the present invention.
Figure 2 is a view showing the result of directly attaching the nail film for the artificial nail sticker of the comparative example according to the present invention. In particular, FIG. 2A shows the phenomenon of lifting, and FIG. 2B shows the phenomenon of wrinkles.
3 is a view showing the printability of the film for artificial nail stickers of one embodiment according to the present invention.

Hereinafter, the present invention will be described in detail.

The present invention in the film for artificial nail stickers,

(a) As resin, one or a mixture thereof selected from the group consisting of polyvinyl chloride (PVC), ethylene / vinyl acetate / carbon monooxide copolymer and thermoplastic polyurethane (TPU); And

(b) provides a film for artificial nail stickers comprising a plasticizer.

The plasticizer according to the present invention is one or a mixture thereof selected from the group consisting of dioctylphthalate (DOTP), adipic acid polymer plasticizer, trioxyl trimellitate (TOTM) and triisononyl trimellitate (TINTM), Preferably it is a dioctyl phthalate or an adipic polymer plasticizer.

The plasticizer used in the film for artificial nail sticker according to the present invention is an environmentally friendly plasticizer, which can lower side effects that interfere with the normal function of the endocrine system of the conventional phthalate plasticizer.

In addition, the artificial nail sticker film according to the present invention may be included in 40-90% by weight, preferably 40-70% by weight, based on 100% by weight of the total resin.

When out of the above range, in particular, when included in less than 40% by weight, there is a problem that the printability is low or the flexibility of the product is lowered, when included in excess of 90% by weight, the finished product becomes hard, or There is a problem that the tip curls up, the film is difficult to process, and printability is poor.

In addition, the artificial nail sticker film according to the present invention may be included in 10 to 60% by weight, preferably 30 to 60% by weight, based on 100% by weight of the plasticizer.

If it is out of the above range, in particular, when included in less than 10% by weight, there is a problem that the flexibility of the finished product is inferior, when included in excess of 60% by weight, the product becomes hard over time by the implementation of a plasticizer There is a problem that the film processing is difficult to lose.

Furthermore, the artificial nail sticker film according to the present invention may be included in the following proportions, based on 100% by weight of the total:

(a) 40-70 weight percent polyvinyl chloride;

(b) 5-30% by weight of ethylene / vinyl acetate / carbon monooxide copolymer;

(c) 5-30% by weight of thermoplastic polyurethane; And

(d) 10-40% by weight of plasticizer.

At this time, in the content of PVC according to the present invention, when included in less than 40% by weight relative to the total 100% by weight, there is a problem in poor printability, when included in excess of 70% by weight, the product is too hard There is a problem of poor fit.

In addition, in the ethylene / vinyl acetate / carbon monooxide copolymer content according to the present invention, when included in less than 5% by weight relative to the total 100% by weight, there is a problem that the product is inferior in flexibility, more than 30% by weight When included, film processing is difficult and there is a problem inferior in printability.

Furthermore, in the thermoplastic polyurethane content according to the present invention, when included in less than 5% by weight relative to the total 100% by weight, there is a problem that the flexibility of the product is poor, when included in excess of 30% by weight, product end There is a problem that this curling phenomenon occurs.

In addition, in the content of the plasticizer according to the present invention, when included in less than 10% by weight relative to the total 100% by weight, there is a problem that the flexibility of the product is poor, when included in excess of 40% by weight, Due to migration, there is a problem that the product becomes hard or the film processing becomes difficult over time.

According to Experimental Examples 1 to 3, the artificial nail sticker film according to the present invention has excellent tensile strength, that is, 8 to 18 MPa when measured after 3 days of modulus of elasticity (Modulus), and is excellent in fit and printability. It is not only excellent in the wrinkles and lifting, film processability, but also excellent cutting properties for the nail file, and the reagents used in the plasticizer, because it uses an eco-friendly plasticizer, the normal endocrine system Since it can lower the side effects of the plasticizer that interferes with the function can be usefully used as a film for artificial nail stickers.

Meanwhile, the resin used in the present invention, ethylene / vinyl acetate / carbon monooxide copolymer, is a resin manufactured by DuPont, sold under the trade name Elvaloy, and the adipic acid polymer, a plasticizer, is a polymer plasticizer manufactured by BASF. Sold under the trade name Palamol ^® .

Hereinafter, the present invention will be described in detail with reference to the following examples and experimental examples.

However, the following Examples and Experimental Examples are merely illustrative of the present invention, the present invention is not limited by the following Examples and Experimental Examples.

material

Resins and plasticizers used in the present invention are used to purchase PVC resin (Hanhwa P-1300), DOTP (Aekyunghwa), ethylene / vinyl acetate / carbon monooxide copolymer (Elvaloy 741 (Dupont)), Palamoll (BASF) It was.

< Example  1> Production of artificial nail sticker film-1

Step 1: Mixing Resin and Plasticizer

60 kg of PVC (polymerization degree 1000 ~ 1300), 20 kg of Elbaloy, and plasticizer, DOTP 20 kg resin was kneaded and injected into a twin screw extruder (screw diameter 51 mm, L / D = 36), and then the rotation speed was 100 rpm. The temperature was kept constant at 140-160 ° C. and mixed.

Step 2: forming the film

The pellet prepared in step 1 (melt index 3-10 g / 10 min) was injected into a T-die extruded film molding machine, and then a 1080 mm wide film was kept at a constant processing temperature of 160-180 ° C. Prepared.

Step 3: Printing on the Film

After laminating the film obtained in step 2 to a UV curable acrylic pressure-sensitive adhesive, using a silkscreen printing, a artificial nail sticker was produced by printing on the film.

< Example  2> Production of artificial nail sticker film-2

In Example 1, PVC (60 kg) and Elvaloy (20 kg) were used as the resin and PVC (65 kg) was used as the resin instead of DOTP (20 kg) as the plasticizer, and as a plasticizer, A film for artificial nail stickers was prepared using the same method except using palamol (35 kg).

< Example  3> Production of artificial nail sticker film-3

In Example 1, PVC (60 kg) and Elvaloy (20 kg) were used as the resin and PVC (70 kg) and Elbaloy (10 kg) as the resin instead of using DOTP (20 kg) as the plasticizer. Film was prepared using the same method except that DOTP (20 kg) was used as a plasticizer.

< Example  4> Production of artificial nail sticker film-4

In Example 1, PVC (60 kg) and Elvaloy (20 kg) were used as the resin and PVC (70 kg) and Elbaloy (15 kg) as the resin instead of using DOTP (20 kg) as the plasticizer. Film was prepared using the same method except that DOTP (15 kg) was used as a plasticizer.

< Example  5> Production of artificial nail sticker film-5

In Example 1, PVC (60 kg) and Elvaloy (20 kg) were used as the resin, instead of using PVC (60 kg) and Elvaloy (20 kg), and as a plasticizer, DOTP (20 kg). Film was prepared using the same method except that DOTP (10 kg) was used as a plasticizer.

< Example  6> Production of artificial nail sticker film-6

In Example 1, PVC (60 kg) and Elvaloy (10 kg) were used as the resin instead of using PVC (60 kg) and Elvaloy (20 kg) as the resin and DOTP (20 kg) as the plasticizer. Film was prepared using the same method except that DOTP (30 kg) was used as a plasticizer.

< Comparative Example  1 to 13> Preparation of Film for Artificial Nail Sticker

Except for using PVC (60 kg) and Elvaloi (20 kg) as a resin in Example 1 and using a composition as shown in Table 1, instead of using DOTP (20 kg) as a plasticizer, The same method was followed to prepare a film for artificial nail stickers.

< Experimental Example  1> The tensile strength  Measure

After the artificial nail sticker film prepared in Examples 1 to 6 according to the present invention was stored in an oven at 70 ° C. for a predetermined time (initial, 1 day and 3 days later), the tensile strength was based on 10% strain. Was measured (head speed: 300 mm / min). In this case, the strain rate is a reference value that is referred to in general, pulling the wear at a strain rate of 10% when wearing a nail sticker. The results are shown in Table 1 below.

division Furtherance(%) Properties Resin Plasticizer Modulus of elasticity MPa ) PVC TPU Elvaloy DOTP Palamol Early After 1 day 3 days later Example 1 60 0 20 20 0 5 8 10 Example 2 65 0 0 0 35 5 9 13 Example 3 70 0 10 20 0 12 15 15 Example 4 70 0 15 15 0 14 17 18 Example 5 70 0 20 10 0 15 18 18 Example 6 60 0 10 30 0 8 12 14 Comparative Example 1 100 0 0 0 0 22 40 45 Comparative Example 2 68 0 0 32 0 12 25 43 Comparative Example 3 40 60 0 0 0 10 14 17 Comparative Example 4 50 50 0 0 0 15 19 23 Comparative Example 5 60 40 0 0 0 16 21 24 Comparative Example 6 70 30 0 0 0 18 35 43 Comparative Example 7 66 17 17 0 0 11 12 12 Comparative Example 8 50 25 25 0 0 5 7 8 Comparative Example 9 50 38 12 0 0 11 13 13 Comparative Example 10 0 50 50 0 0 9 10 10 Comparative Example 11 60 0 30 10 0 7 9 11 Comparative Example 12 75 0 25 0 0 15 21 26 Comparative Example 13 50 0 50 0 0 13 17 19

As shown in Table 1, the artificial nail sticker film of Examples 1 to 6 according to the present invention was confirmed to have a better modulus of elasticity (Modulus) than the artificial nail sticker film of Comparative Examples 1 to 13, in particular, the initial There is no difference in elastic modulus, but as time passes (after 3 days), the elastic modulus (8 to 45 MPa) of the film for artificial nail sticker of Comparative Examples 1 to 13 increases, whereas Examples 1 to 6 according to the present invention The artificial nail sticker film of was found to have a low difference between the initial value and the modulus of elasticity (10 to 18 MPa).

Therefore, the film for artificial nail stickers according to the present invention can be usefully used as a film for artificial nail stickers having excellent fit because the elastic modulus is lower than 20 MPa.

< Experimental Example  2> printability measurement

In order to measure the printability of the film for phospho nail sticker according to the present invention, the adhesion of the ink was tested through a crosscut test (ASTM D 3002). The results are shown in Fig.

As shown in FIG. 3, the film of Example 1 according to the present invention has excellent ink adhesion, and thus can be usefully used as a film for artificial nail stickers because it has excellent printability for printing a desired color and pattern on the film. have.

< Experimental Example  3> film wear test

The artificial nail sticker film was prepared according to the present invention and subjected to a wear test on the nail.

Product test surveys were conducted on 30 wear test panels for five-point scale (+) for wrinkles after wearing, detachment according to wear time, lift off from nails, fit, and cutting by nail file. (+: Very lacking, ++: lacking, +++: normal, ++++: excellent, +++++: very good). The results are shown in Table 2 below.

division Hardening Printability No wrinkle Front
Lifting film
Processability Nail file
Cutting ability Example 1 ++++ ++++ ++++ ++++ +++ ++++ Example 2 ++++ ++++ ++++ ++++ ++++ ++++ Example 3 ++++ ++++ +++ ++++ +++ ++++ Example 4 ++++ ++++ +++ ++++ +++ ++++ Example 5 ++++ ++++ +++ ++++ +++ ++++ Example 6 ++++ ++++ +++ ++++ +++ ++++ Comparative Example 1 + +++++ + +++++ + ++++ Comparative Example 2 + +++++ +++++ +++++ +++++ +++++ Comparative Example 3 ++++ ++++ +++ +++ ++++ +++ Comparative Example 4 +++ ++++ +++ +++ ++++ +++ Comparative Example 5 + ++++ +++ +++ ++++ +++ Comparative Example 6 + ++++ +++ +++ ++++ +++ Comparative Example 7 ++++ ++++ ++++ +++ ++++ +++ Comparative Example 8 ++++ ++++ ++++ +++ ++++ +++ Comparative Example 9 ++++ ++++ ++++ +++ ++++ +++ Comparative Example 10 ++++ + ++++ +++ ++++ +++ Comparative Example 11 ++++ +++ ++++ ++++ +++ ++++ Comparative Example 12 +++ ++++ +++ ++++ + ++++ Comparative Example 13 +++ +++ +++ ++++ + ++++

As shown in Table 2, in the case of the artificial nail sticker film of Comparative Examples 1 to 13, hardening does not occur, printability is poor, or when wrinkles and the front part of the film are raised when the film is attached to the nail, , Problems inferior to the film processability was confirmed, but the film for artificial nail stickers of Examples 1 to 6 according to the present invention is excellent in fit according to the degree of hardening, excellent workability and printability, when attached to nails, wrinkles And there is no phenomenon that the front part of the film is lifted, and because of the excellent cutting property by the nail file can be usefully used as a film for artificial nail stickers.

Claims (5)

In the film for artificial nail stickers,
(a) As resin, one or a mixture thereof selected from the group consisting of polyvinyl chloride (PVC), ethylene / vinyl acetate / carbon monooxide copolymer and thermoplastic polyurethane (TPU); And
(b) A film for artificial nail stickers comprising a plasticizer.
The method of claim 1,
The plasticizer is artificial, characterized in that one or a mixture thereof selected from the group consisting of dioctylphthalate (DOTP), adipic polymer plasticizer, trioxyl trimellitate (TOTM) and triisononyl trimellitate (TINTM). Film for nail sticker.
The method of claim 1,
The artificial nail sticker film is based on 100% by weight of the total,
The resin is 40-90% by weight and the plasticizer film for artificial nail stickers, characterized in that it comprises 10-60% by weight.
The method of claim 1,
The artificial nail sticker film is based on 100% by weight of the total,
The resin is 40-70% by weight and the plasticizer film for artificial nail stickers, characterized in that it comprises 30-60% by weight.
The method of claim 1,
The artificial nail sticker film is based on 100% by weight of the total,
40-70% by weight polyvinyl chloride;
5-30% by weight of ethylene / vinyl acetate / carbon monooxide copolymer;
5-30% by weight thermoplastic polyurethane; And
A film for artificial nail stickers comprising a plasticizer 10-40% by weight.

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