TWI625278B - Manufacturing method for packaging material for filling hair dye and packaging bag made of the packaging material - Google Patents

Abstract

A packaging bag prepared by the method for manufacturing a packaging material for dyeing hair dye, first preparing a first biaxially stretched polyester film and a second biaxially stretched polyester film having a thickness of 6 μm to 24 μm, and a thickness An aluminum foil film of between 4 μm and 15 μm, and a cast polypropylene film having a thickness of between 20 μm and 60 μm, followed by surface roughening of a first surface of the first biaxially stretched polyester film, and then the first The surface and the aluminum foil film are adhered by hot pressing to 36 to 44 degrees Celsius, and the two surfaces of the second biaxially stretched polyester film are surface roughened, and one of the surfaces is an adhesive and the aluminum foil film. Adhering to a surface of the second biaxially oriented polyester film by heat pressing to 36 to 44 degrees Celsius by heat pressing to 36 to 44 degrees Celsius, the surface of the cast polypropylene film is adhered to the other surface of the second biaxially oriented polyester film. Forming a packaging material, and finally folding the packaging material, and instantaneously heating and sealing at least two-phase overlapping boundaries at 120-130 degrees Celsius to form a packaging bag.

Description

Manufacturing method for packaging material for filling hair dye and packaging bag made of the packaging material

The invention relates to a method for manufacturing a packaging material and a packaging bag, in particular to a packaging for filling hair dyes for filling hair dyes and effectively preventing erosion by hair dyes, and being less prone to warping and low in cost. A method of manufacturing a material and a packaging bag made of the packaging material.

Hair dyes contain erosive ingredients. In the past, they were packed in packaging bottles or cans. However, bottles and cans are usually used for dozens of times, but after being used, next time The time of use may be several tens of days apart, and it is difficult to completely seal after opening, and it is easy to oxidize and deteriorate. This will not be conducive to multiple uses, so this packaging mode is not appropriate.

In view of the above-mentioned packaging problems, the applicant developed a packaging material for a disposable hair dye packaging bag, and applied for approval as the Republic of China invention patent No. I569958, which discloses a method for manufacturing a special aluminum foil material for packaging hair dyes, mainly one Polyester film (PET), an aluminum foil (AL), a vacuum electroplated polyester film (VPPET), and a polypropylene film (PP) are sequentially and segmentally bonded by an adhesive, and then allowed to stand for a while. Forming the packaging material. However, although the above methods have been able to satisfy the packaging of disposable hair dyes, after several years of production and research and development, the following defects have been found:

When the first and fourth layers are adhered by the segment and the segment is transmitted through the pressure heating, there will still be a state of warpage deformation, and as the hot pressing temperature increases, the degree of deformation is more significant. Therefore, the current practice is Decrease the heating temperature from 50 degrees Celsius to reduce the warpage, but this method can not completely overcome the problem of warpage, and hot pressing at 50 degrees Celsius will cause warpage of the product first, and also increase the material. Cost and complexity in packaging operations.

For this reason, it has been found that the smoothness of polyester film (PET) or vacuum electroplated polyester film (VPPET) is too high, and the higher smoothness causes aluminum foil (AL) and polypropylene film (PP) to adhere. The adhesion on the top is small, so heating is required to force the membranes to further close, which may be the main cause of the hot pressing temperature of at least 50 degrees Celsius.

Second, in addition to hot press forming will cause warping deformation, in fact, after the four layers of film finish hot pressing, if exposed to normal ambient temperature, there will also be heat shrinkage deformation phenomenon, currently in the environment of 30 degrees Celsius static 48 In the hour, there will still be conditions such as poor adhesion and warping, so it is also an important improvement to settle the stable packaging material after molding.

Accordingly, it is an object of the present invention to provide a method of manufacturing a packaging material for filling hair dyes and a packaging bag made of the packaging material, which at least overcomes the disadvantages of the prior art.

Therefore, the present invention is used for a method for preparing a packaging material for a hair dye, first preparing a first biaxially stretched polyester film having a thickness of 6 μm to 24 μm, and then preparing an aluminum foil film having a thickness of 4 μm to 15 μm. a first surface of a biaxially stretched polyester film is subjected to surface roughening treatment such that the surface roughness of the first surface is higher than the opposite second surface, and the first surface of the first biaxially stretched polyester film is The aluminum foil film is adhered by heat transfer to a temperature of 36 to 44 degrees Celsius, and then a second biaxially stretched polyester film is prepared, having a thickness of 6 μm to 24 μm, and two of the second biaxially stretched polyester film. The surface is subjected to surface roughening treatment, and one surface of the second biaxially stretched polyester film is adhered to the aluminum foil film by heat pressing to a temperature of 36 to 44 degrees Celsius, and finally a first-order polypropylene film is prepared, and the thickness is 20 μm. ~60 μm, one surface of the cast polypropylene film is adhered to the other surface of the second biaxially oriented polyester film by an adhesive to 36 to 44 degrees Celsius to form a packaging material.

Therefore, the packaging bag of the present invention is made of the packaging material, the packaging material is cut to a predetermined specification and folded, and the boundary of at least two phases is instantaneously heated and sealed at 120 to 130 degrees Celsius to form a package having one. The package at the open end.

Therefore, the packaging bag of the present invention is made of the packaging material, and is subjected to surface roughening treatment on two surfaces of a biaxially stretched polyester film having a thickness of 6 μm to 24 μm, and is separately heated by the adhesive on the surfaces. A cast polypropylene film having a thickness of 20 μm to 60 μm is pressure-bonded to prepare a spacer, and then the packaging material is folded and the spacer is sandwiched therebetween, and the sealing is instantaneously heated at 120 to 130 degrees Celsius. The overlapping boundaries form a package having a dual chamber.

The effect of the invention is that the temperature of the plurality of hot-pressing adhesives is controlled at 36 to 44 degrees Celsius, which can reduce the problem of warpage of the various layers of the film after multiple thermocompression bonding, so as to ensure that the packaging bag is filled and the hair dye is filled. After the actual yield, in addition, when the hot pressure is placed in the health chamber of 36 degrees Celsius to 44 degrees Celsius, the packaging material can be further stabilized without deformation.

Referring to Figures 1 and 2, an embodiment of the present invention for manufacturing a packaging material for a hair dye and a packaging bag made of the packaging material is prepared by first preparing a thickness of 6 μm to 24 μm. Biaxially-oriented Polyethylene Terephthalate Film and Biaxially-oriented Polyethylene Terephthalate Film, and an aluminum foil film 3 (AL Film) having a thickness of 4 μm to 15 μm And a cast Polypropylene Film having a thickness of 20 μm to 60 μm.

The first surface 11 of the first biaxially stretched polyester film 1 and the two surfaces 21 and 22 of the second biaxially stretched polyester film 2 are subjected to surface roughening treatment, and the contour average arithmetic deviation value Ra is about 0.12. Between ~0.4, a second surface 12 of the first biaxially stretched polyester film 1 which has not been subjected to surface roughening is maintained for use in ink printing, and the contour average arithmetic deviation value Ra is about 0.08 to 0.16. To print the packaging pattern.

The first surface 11 of the first biaxially stretched polyester film 1 and the aluminum foil film 3 are coated with an adhesive and hot pressed at a temperature between 36 and 44 degrees Celsius for adhesive curing. Preferably, it is controlled to be adhered and cured at a constant temperature of 40 degrees Celsius to form a material in a two-layer film state.

The surface 21 of the second biaxially oriented polyester film 2 is first coated with an adhesive, adhered to the aluminum foil film 3 in the two-layer mold state, and hot pressed at a temperature between 36 and 44 degrees Celsius. Preferably, it is controlled to be adhesively cured at a constant temperature of 40 degrees Celsius to form a material in a three-layer film state.

The other surface 22 of the second biaxially oriented polyester film 2 in the three-layer film state is coated with an adhesive and adhered to a surface 41 of the cast polypropylene film 4 at a temperature of 36 to 44 degrees Celsius. The temperature between them is hot pressed. Preferably, it is controlled to be adhesively cured at a constant temperature of 40 degrees Celsius to finally form a packaging material 100 in a four-layer film state.

It is worth mentioning that after the packaging material 100 in the four-layer film state is completed, the packaging material 100 can be placed in a health storage bin (not shown) for static setting. Preferably, the temperature of the health bin is controlled between 36 and 44 degrees Celsius, the standing time is about 96 hours, and the temperature of the health bin is preferably the same as the temperature of the aforementioned thermoforming process, or both. The temperature difference is preferably not more than 1 degree Celsius.

Therefore, according to the temperature setting of the aforementioned hot press forming, the optimum temperature range of the health bin is controlled between 39 and 41 degrees. And a thermocompression bonding temperature of the first biaxially stretched polyester film 1 and the aluminum foil film 3, a thermocompression bonding temperature of the second biaxially stretched polyester film 2 and the aluminum foil film 3, and the cast polypropylene film 4 and the thermocompression bonding temperature of the second biaxially stretched polyester film 2, all of which are controlled between 39 and 41 degrees Celsius. Preferably, the temperature difference of the three is controlled to not exceed 1 degree Celsius. Or it can be maintained at a constant temperature of 40 degrees Celsius, which will further ensure that the packaging material 100 is less deformed after molding.

In addition to the packaging material 100 made by the foregoing, the packaging material 100 can be used to make a packaging bag, and a spacer 5 can be additionally prepared for fitting the packaging material 100 to form a packaging bag having a plurality of pockets.

The spacer 5 is surface roughened by two surfaces 511 and 512 of a biaxially stretched polyester film 51 having a thickness of 6 μm to 24 μm, and is thermally pressed and adhered to the surfaces 511 and 512 through an adhesive. A cast polypropylene film 52 of between 20 μm and 60 μm is used. Here, the intermediate layer of the spacer 5, that is, the biaxially stretched polyester film 51, may be replaced with an aluminum pozzo film.

Referring to FIG. 3, a packaging bag 6 manufactured by using the packaging material prepared by the above manufacturing method is first cut into a predetermined specification and folded, and heated at a temperature of 120 to 130 degrees Celsius. The two-phase overlapping boundary 61 is sealed to form the package bag 6 having an open end 62. It should be noted that the foregoing reservation specification refers to a space which can easily accommodate the amount of the hair dye used at one time, usually about 5 to 30 cm ³ , and when the hair dye is filled from the open end 62, it is then passed through 120 to 130 degrees Celsius. The temperature instantly heats the edge of the open end 62 to seal the hair dye within the package 6.

Referring to Fig. 4, another packaging bag 7 made by using the packaging material produced by the above manufacturing method is to fold the packaging material 100 first while sandwiching the spacer 5 therebetween, and at 120 to 130 degrees Celsius. Instantly heating, and sealing out the two-phase overlapping boundary 71, thereby forming the packaging bag 7 having the double chamber 72, and then filling the hair dye from the equal volume chamber 72, and then passing through a temperature of 120 to 130 degrees Celsius The edge of the chamber 72 is heated instantaneously to seal the hair dye in the package 7.

Referring to FIG. 5, the further packaging bag 8 produced by using the packaging material prepared by the above manufacturing method folds the packaging material 100 first, and instantaneously heats at a temperature of 120 to 130 degrees Celsius, and seals the two phases. The boundary 81 is stacked to form a bag body having an open end 82, and the bag body is further sealed along the open end 82 to form a partition 84 of the two chambers 83 to form the package. 8. After the hair dye is filled from the equal volume chamber 83, the edge of the open end 82 is instantaneously heated by a temperature of 120 to 130 degrees Celsius to seal the hair dye in the packaging bag 8.

In summary, the temperature of the multiple thermocompression bonding is controlled at 36 to 44 degrees Celsius, which can reduce the problem of warpage of each film after multiple thermocompression bonding to ensure the packaging bag made by the manufacturing method. The actual yield after refilling the hair dye. In addition, when the thermal storage is completed and placed in a health chamber having a temperature range of 36 to 44 degrees Celsius, the appearance of the packaging material can be further ensured without warping and deformation, so that the object of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

100‧‧‧Packaging materials
1‧‧‧First biaxially oriented polyester film
11‧‧‧ first surface
12‧‧‧ second surface
2‧‧‧Second biaxially oriented polyester film
21‧‧‧ surface
22‧‧‧ Surface
3‧‧‧Aluminum foil film
4‧‧‧cast polypropylene film
41‧‧‧ surface
5‧‧‧ spacer
51‧‧‧Biaxially oriented polyester film
511‧‧‧ surface
512‧‧‧ surface
52‧‧‧cast polypropylene film
6‧‧‧Package bags
61‧‧‧ border
62‧‧‧Open end
7‧‧‧Package
71‧‧‧ border
72‧‧ ‧ room
8‧‧‧Package
81‧‧‧ border
82‧‧‧Open end
83‧‧ ‧ room
84‧‧‧ 隔边

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a manufacturing method for packaging a hair dye for use in the present invention, and a packaging bag made of the packaging material. 2 is a perspective view of a packaging material of the embodiment; FIG. 2 is an exploded perspective view of a spacer of the embodiment; FIG. 3 is a perspective view of a packaging bag of the embodiment; A perspective view of a package; and Figure 5 is a perspective view of another package of the embodiment.

Claims (8)

A manufacturing method for packaging a hair dye package, comprising the following steps: (A) preparing a first biaxially stretched polyester film having a thickness of 6 μm to 24 μm; (B) preparing an aluminum foil film having a thickness of 4 μm (15) performing a surface roughening treatment on a first surface of the first biaxially stretched polyester film such that the surface roughness of the first surface is higher than the opposite second surface, the first biaxial stretching The first surface of the polyester film and the aluminum foil film are adhered by heat transfer to a temperature of 36 to 44 degrees Celsius; (D) preparing a second biaxially stretched polyester film having a thickness of 6 μm to 24 μm, the first The two surfaces of the biaxially stretched polyester film are subjected to surface roughening treatment, and one surface of the second biaxially stretched polyester film is adhered to the aluminum foil film by heat pressing to a temperature of 36 to 44 degrees Celsius; E) preparing a first-stage polypropylene film having a thickness of 20 μm to 60 μm, and heat-pressing one surface of the cast polypropylene film to the other surface of the second biaxially oriented polyester film to 36 to 44 degrees Celsius Degree of adhesion to form a package . The method for manufacturing a packaging material for hair dye according to claim 1, wherein in the step (C), the first biaxially stretched polyester film is adhered to the first two-way before the aluminum foil film is adhered The second surface of the stretched polyester film is first printed and packaged. The method for producing a packaging material for a hair dye according to claim 1, wherein the first biaxially stretched polyester film and the aluminum foil film have a thermocompression bonding temperature, and the second biaxially stretched polyester film The hot pressing temperature of the aluminum foil film and the hot pressing temperature of the cast polypropylene film and the second biaxially stretched polyester film are controlled between 39 and 41 degrees Celsius. The method for producing a packaging material for a hair dye according to claim 3, wherein the first biaxially oriented polyester film and the aluminum foil film are subjected to a thermocompression bonding temperature, the second biaxially oriented polyester film and The hot pressing temperature of the aluminum foil film and the hot pressing temperature of the cast polypropylene film and the second biaxially stretched polyester film are controlled so as not to exceed 1 degree Celsius. The method for manufacturing a packaging material for filling a hair dye according to claim 1, further comprising a step (F), in which the packaging material is placed after thermocompression bonding to the packaging material. After a 96-hour rest in a health warehouse, the temperature of the health bin is controlled at 36 degrees to 44 degrees. The method for manufacturing a packaging material for a hair dye according to claim 1, further comprising a step (G), in which the biaxially oriented polyester having a thickness of 6 μm to 24 μm is used. The two surfaces of the film are subjected to surface roughening treatment, and a cast polypropylene film having a thickness of 20 μm to 60 μm is thermally pressed and adhered to the surfaces through an adhesive to prepare a spacer. A packaging bag, which is produced by the manufacturing method described in claim 1, which is cut into a predetermined specification and folded, and is heated and sealed at a temperature of 120 to 130 degrees Celsius to form at least two overlapping boundaries. A package having an open end. A packaging bag produced by the manufacturing method according to claim 6, wherein the packaging material is folded and the spacer is sandwiched therebetween, and the boundary of at least two phases is instantaneously heated and sealed at 120 to 130 degrees Celsius. The package is formed with a dual chamber.