CN115924297A - Dry-wet separation mask bag and processing technology thereof - Google Patents
Dry-wet separation mask bag and processing technology thereof Download PDFInfo
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- CN115924297A CN115924297A CN202211571052.5A CN202211571052A CN115924297A CN 115924297 A CN115924297 A CN 115924297A CN 202211571052 A CN202211571052 A CN 202211571052A CN 115924297 A CN115924297 A CN 115924297A
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Abstract
The application relates to a dry-wet separation facial mask bag and a processing technology thereof, and the dry-wet separation facial mask bag comprises a first composite film and a second composite film, wherein the first composite film and the second composite film are superposed and then are combined together through hot-pressing edge sealing at two ends, and a pull handle is obtained in a hot-pressing edge sealing area through die cutting; the first composite film and the second composite film take the edge sealing area as a central line, the laminated film is reversely stretched from the inside, and the first composite film and the second composite film are laminated to be in a folded state respectively; and (3) hot-pressing a separation parting bead at the joint of the first composite film and the second composite film along the edge sealing area to enable the first composite film to form a first chamber and the second composite film to form a second chamber. The handle subassembly in this application adopts the hot pressing banding region of formation when first complex film and second complex film are compound to tailor and obtains, and it is integrated into one piece with the facial mask bag, therefore need not to bond the handle through the manual work, only needs to carry out the cross cutting to the banding region through machinery, can obtain two handles in the banding region at both ends.
Description
Technical Field
The application relates to the technical field of facial mask packaging bags, in particular to a dry-wet separation facial mask bag and a processing technology thereof.
Background
The dry-wet separation facial mask bag comprises a wet area for storing facial mask liquid and a dry area for storing a facial mask towel, wherein the dry area and the wet area are separated by a dry-wet separation break line, so that the dry-wet separation break line is broken through when the dry-wet separation break line is used, the facial mask liquid and the facial mask towel are mixed for use, and the probability of pollution quality change of the facial mask liquid can be reduced. The main types of packaging bags for the dry-wet separation facial mask in the current market are two, the first type is shown in figure 1, and the facial mask bag is mainly divided into two parts by adopting a separation parting strip in the middle of a bag body; when the facial mask is used, the separation parting strips are extruded by an extrusion mode, so that the facial mask liquid and the facial mask towel are mixed. However, with such a structure, the following disadvantages may occur: the mask packaging bag in the extrusion mixing mode can extrude the separation parting strips to be opened only when the extrusion pressure degree is higher, and ladies can have the condition of being incapable of extruding to be opened when in use, so that the use experience of consumers is poor; and it does not avoid the risk of mutual extrusion mixing during transport. The second is a mode of separately adding pull rings: for example, in patent no "CN214085650U, a dry-wet separation mask bag", which is provided with a separation module on the mask bag to separate the dry zone from the wet zone; then a handle component is arranged on the separation component; in the processing mode, the separating component can be pulled open through the handle component, so that the facial mask liquid and the facial mask towel are mixed, and although labor can be saved, the handle component needs to be installed manually, so that the cost is high, and the automatic production is difficult; and no matter the pull ring is a heat-sealing pull ring or a non-setting adhesive pull ring, the material is easy to stay with the change of the order quantity.
In view of the above-mentioned related art, the inventor believes that there is a mask bag with dry and wet separation, which has the defects of troublesome installation of the handle and high production cost.
Disclosure of Invention
The problems that a handle component of an existing dry-wet separation mask is troublesome to install and high in production cost are solved; the application provides a dry-wet separation facial mask bag and a processing technology thereof.
In a first aspect, the application provides a dry-wet separation facial mask bag and a processing technology thereof, and the following technical scheme is adopted:
a dry-wet separated facial mask bag comprises a first composite film and a second composite film, wherein the first composite film and the second composite film are overlapped and then are combined together through hot-pressing edge sealing at two ends, and a pull handle is obtained in a hot-pressing edge sealing area through die cutting; the first composite membrane and the second composite membrane use the edge sealing area as a central line, the laminated membrane is reversely unfolded from the inside, and the first composite membrane and the second composite membrane are respectively in a folded state; hot-pressing a separation parting bead at the joint of the first composite film and the second composite film along the edge sealing area to enable the first composite film to form a first cavity, enable the second composite film to form a second cavity, seal the lower ends of the first cavity and the second cavity, and enable the upper ends of the first cavity and the second cavity not to be sealed, so that any cavity can be selected for storing the facial mask liquid; after the facial mask towel is stored in the other chamber, the upper end of the facial mask towel is sealed.
By adopting the technical scheme, compared with the existing integral material bag body, the first composite film is adopted to form a first cavity, and the second composite film forms a second cavity; the first composite membrane and the second composite membrane can be made of different materials according to different storage requirements of the mask liquid and the mask towel; for example, if the first chamber is filled with facial mask liquid, the first composite film can be a light-tight composite film; the chamber in which the face mask is present may be selected from a light transmissive composite film.
The handle component is obtained by cutting a hot-pressing edge sealing area formed when a first composite film and a second composite film are combined, and is integrally formed with a facial mask bag, so that the handle is not required to be bonded manually, the edge sealing areas are only required to be die-cut mechanically, and two handle parts can be obtained in the edge sealing areas at two ends; then, after the first composite film and the second composite film are unfolded and folded in a reverse direction, pull handles are arranged on the front side and the back side of the facial mask bag respectively; hot pressing the separation parting strips along the edge sealing area, and pulling a handle to be positioned at the edges of the separation parting strips; therefore, the separation parting strips can be pulled open only by pulling the pull handle to the direction vertical to the bag body, so that the facial mask liquid and the facial mask towel can be compounded.
Preferably, the first composite film is a composite film containing a barrier layer, and a first cavity is formed for storing facial mask liquid; the second composite film is a composite film without a barrier layer, and a second cavity is formed for placing a facial mask towel; the separation division bar needs to be hot-pressed against the first composite film along the edge seal area.
By adopting the technical scheme, the storage requirement of the facial mask liquid is higher than that of a facial mask towel, and the facial mask liquid not only needs good sealing performance, but also needs good heat resistance; the barrier film material is added into the first composite film stored with the facial mask liquid, so that the first composite film can resist external pressure; meanwhile, the barrier film can block oxygen and moisture, has good heat resistance, good light reflectivity and glossiness, good shape at high temperature and low temperature, is suitable for high-temperature cooking, and can resist 125 ℃; the storage requirement of the facial mask towel is not high, so that the composite film does not need to be added with an aluminum foil material; the separation division bar is hot-pressed on the first composite film, so that the first chamber can not transmit light completely.
Preferably, the first composite film is sequentially overlapped from outside to inside with a high-strength pull handle layer, an adhesive layer, a printing ink layer, an adhesive layer, a middle layer, an adhesive layer, a blocking layer, an adhesive layer and an easily-torn heat-sealing layer; the second composite film has less barrier layer than the first composite film, and correspondingly has less adhesive layer;
preferably, the high-strength pull handle layer is made of a high-strength PET or PA film; printing the printing ink layer by using a PET or PA film as a base film through ink to obtain a printing ink layer; the middle film layer is a PET or PA film; the blocking layer is one of aluminum foil, aluminum-plated film or aluminum oxide-plated film; the easy-to-tear heat-sealing layer is an easy-to-tear film layer based on PE; the layers are sequentially subjected to dry compounding through the adhesive layers from outside to inside according to the stacking sequence of the films; and obtaining the first composite film or the second composite film.
Through adopting foretell technical scheme, adopt the high strength to draw the handle layer in this application can improve the intensity of complex film, also can strengthen the intensity of drawing the handle, avoid drawing the handle and appear the fracture when tearing. The printing ink layer is used to increase the decorativeness of the film so that product information can be printed. The intermediate layer can play a transitional role; the easy-to-uncover heat sealing layer can control the bonding strength during heat sealing according to the size of the hot pressing strength during hot pressing, and avoids the overlarge hot air strength of the separation parting strips, so that the easy-to-uncover heat sealing layer cannot be torn open.
Preferably, the thickness of the PE-based easy-uncovering film layer is 40 to 120um; the preparation method adopts a five-layer co-extrusion film blowing process for preparation; the polyethylene-vinyl acrylate-acrylic acid composite material is prepared from polyethylene, polyethylene-vinyl acrylate and polyethylene-acrylic acid according to a specific formula, wherein the first layer, the second layer and the third layer are made of polyethylene resin, the fourth layer is made of polyethylene, polyethylene-vinyl acrylate according to a mass ratio of 1.
By adopting the technical scheme, the first three layers adopt the mixture of the low density polyethylene and the linear low density polyethylene, for example, the low density polyethylene and the linear low density polyethylene are mixed, and the heat sealing layer film can effectively improve the overall strength through the first three layers. Meanwhile, a high-strength heat-seal film layer with high viscosity can be formed through the fourth layer, and a bottom-strength heat-seal film layer with a viscous bottom can be formed through the fifth layer, so that the heat-seal film can form a double platform with stable heat-seal strength through the fourth layer and the fifth layer.
Preferably, the separation parting strip comprises two sections of heat sealing strips, the two sections of heat sealing strips are connected through a wave-shaped heat sealing strip, and the wave-shaped heat sealing strip is arranged at the pull handle.
By adopting the technical scheme, the separation parting strip is divided into three ends, two sections of heat sealing strips and one section of wavy heat sealing strip, the wavy heat sealing strip is easier to tear compared with a straight heat sealing strip, and the first chamber and the second chamber can be communicated after the wavy heat sealing strip is torn by the pull handle, so that the facial mask liquid enters the facial mask towel and is soaked; meanwhile, two sections of straight-bar-shaped heat sealing strips are adopted, so that the heat sealing strength can be improved, and the phenomenon that the whole surface film bag is torn due to excessive force is avoided.
Preferably, the pull handle is slightly pressed to be attached to the second composite film, and the pull handle can be turned up when the pull handle is used.
Through adopting above-mentioned technical scheme, through flattening the laminating with the pull handle on the second complex film, the pull handle of avoiding the jack-up is damaged easily in the first aspect, and the second aspect is that the pull handle jack-up also does not benefit to the stacking of facial mask.
In a second aspect, the present application provides a process for processing a dry-wet separation facial mask bag, comprising the following steps:
s1: the first composite film and the second composite film are overlapped together, then hot-pressing edge sealing is carried out on two ends of the first composite film and the second composite film to combine the composite films together, and then die cutting is carried out on a hot-pressing edge sealing area to form a pull handle; at this time, the first composite film and the second composite film form a packaging bag, the left end and the right end are closed, and the upper side and the lower side are opened;
s2: the bag shape is adjusted in a film reversing mode, the heat sealing edge area is taken as a central line, the superposed composite film is unfolded from the inside to the opposite direction, the first composite film and the second composite film are respectively in a folding opposite state, and at the moment, the pull handles are positioned on two sides of the first composite film; a transition edge is formed between the pull handle and the second composite film and is also positioned at two sides of the first composite film;
s3: heat-sealing the first composite film along the edge of the transition edge to form a separation division bar, wherein the first composite film forms a first chamber; the second composite film forms a second chamber; and carrying out hot-pressing edge sealing on the lower ends of the first cavity and the second cavity, wherein the upper ends are not sealed, respectively filling the first cavity and the second cavity with mask liquid and mask towels, then carrying out hot-pressing edge sealing on the upper ends, and cutting an easy-to-tear opening on the second composite film.
By adopting the technical scheme, the wide edge sealing area is formed by performing alkaline hot-pressing edge sealing on the two composite films, and then die cutting is performed on the edge sealing area to form the pull handle; the prepared pull handle and the bag body are integrally formed, manual sticking of the pull handle is not needed, the preparation process can be simplified, and the cost is saved. In the application, the first composite film and the second composite film form corresponding storage chambers respectively in a reverse mode; therefore, the types of the corresponding composite films can be selected according to different storage conditions of the facial mask liquid and the facial mask towel.
Preferably, in step S1, the sizes of the first composite film and the second composite film are completely the same, and the first composite film and the second composite film are connected before being stacked; the first composite film and the second composite film are overlapped, a single material structure can be adopted, and the first composite film or the second composite film is overturned to be overlapped; or a double-material structure is adopted, the connecting position of the first composite membrane and the second composite membrane is separated, and the first composite membrane and the second composite membrane are overlapped through diversion.
Through adopting foretell technical scheme, the first complex film of this application in the preparation process with the compound one end of second connect with, make both for whole on the material loading machine, can avoid the position of two kinds of membranes of material loading in-process to take place to stagger, therefore at mechanical coincide in-process, the uneven condition of coincide appears.
Preferably, in step S1, the width of the hot-pressing edge sealing area needs to be greater than 3cm, and the hot-pressing edge sealing process parameters are as follows: the heat sealing pressure is 0.2-0.8 MPa, the heat sealing temperature is 200 +/-20 ℃, and the heat sealing strength is 12 +/-3N/15 mm.
Through adopting foretell technical scheme, need cut out the pull handle through heat-seal area mould in this application, therefore its width need be wider, and the width is too narrow the pull handle also can the undersize, is unfavorable for subsequent tearing to draw. The heat seal strength also needs to be high, so that the strength of the transition edge is ensured and the transition edge cannot be torn apart in the tearing process.
Preferably, the separation parting strip is divided into three sections, and comprises two straight heat sealing strips and a wave-shaped heat sealing strip for connecting the two straight heat sealing strips; the hot pressing process of the straight heat sealing strip comprises the following steps: the heat sealing pressure is 0.2-0.8 MPa, the heat sealing temperature is 200 +/-20 ℃, and the heat sealing strength is 12 +/-3N/15 mm; the hot pressing process of the wave-shaped seal strip comprises the following steps: the heat sealing pressure is 0.1-0.5 MPa, the heat sealing temperature is 150 +/-300 ℃, and the heat sealing strength is 5 +/-2N/15 mm.
By adopting the technical scheme, the hot pressing strength of the wave-shaped sealing strip is reduced, so that the wave-shaped sealing strip is easier to pull relative to the straight sealing strip, the first cavity is communicated with the second cavity, and the facial mask liquid wets the facial mask towel; the hot pressing strength of the straight strip seal is improved, so that excessive tearing can be avoided, and the whole surface film bag is torn.
Preferably, in step S3, the process parameters of the lower end hot-pressing edge sealing and the upper end hot-pressing edge sealing are as follows: the heat sealing pressure is 0.2-0.8 MPa, the heat sealing temperature is 200 +/-20 ℃, and the heat sealing strength is 12 +/-3N/15 mm.
By adopting the technical scheme, the edge sealing can be more compact by controlling the technological parameters of hot-pressing edge sealing in the application, and the seepage of the mask liquid can not occur.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through widening the width in the position hot pressing banding region of the combination of first complex film and second complex film, surely go out the handle at hot pressing banding region mould in this application, therefore handle and complex film are integrated into one piece, need not to bond through the manual work, can realize automatic production, reduce the raw tea cost.
2. In the application, the separation parting strip is divided into three sections, namely two straight heat sealing strips and a wave-shaped heat sealing strip for connecting the two straight heat sealing strips; wherein the wavy heat-sealing strip is positioned at the position of the pull handle; the hot pressing strength of the wavy seal is controlled, so that the wavy seal is more easily pulled and torn, and the first cavity is communicated with the second cavity; meanwhile, the hot-pressing strength of the straight-bar-shaped heat sealing strip is higher, and the straight-bar-shaped heat sealing strip is difficult to pull open, so that the mask bag can be prevented from being torn by excessive force.
3. In the application, the first composite film and the second composite film are combined by adopting a plurality of layers of composite films of different types, the innermost layer adopts a PE-based easy-to-tear film layer, and the outermost layer adopts a high-strength PET or PA film to form a high-strength pull handle layer; the wavy heat sealing strip can be easily torn off by easily tearing off the film layer, so that the wavy heat sealing strip can be pulled off by pulling the handle without using strength; because the pull handle is formed by hot-pressing die cutting of two composite films, the strength of the pull handle can be increased by adopting the high-strength pull handle layer, and the condition that the pull handle is broken in the tearing process is avoided.
4. First complex film and second complex film can be different according to the storage condition of facial mask liquid and facial mask piece of cloth in this application, selects the complex film of different materials, can increase the flexibility of wrapping bag selection material.
Drawings
Fig. 1 is a diagram of a mask pack in a squeezing and mixing manner in the background art.
Fig. 2 is a schematic diagram of the construction of a dry-wet separation mask pouch in the present application.
Figures 3A-F are schematic illustrations of various aspects of the process for making a dry-wet separation mask pack of the present application.
FIG. 4 is a flow chart of the process for preparing the moisture and dry separation mask pouch of the present application.
Wherein: 1-a first composite film; 2-a second composite film; 3-pulling the handle; 4-separating the parting strips; 5-hot pressing area;
31-a transition edge; 41-straight bar-shaped heat sealing strips; 42-wave heat seal bar.
Detailed Description
The present invention is further described in detail below with reference to the accompanying drawings, and it should be noted that any combination of the embodiments or technical features described below can form a new embodiment without conflict.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus should not be construed as limiting the present invention.
Example 1
The schematic structural diagram of the dry-wet separation facial mask bag in this embodiment is shown in fig. 2, and the dry-wet separation facial mask bag includes a first chamber formed by a first composite film 1, and a second chamber formed by a second composite film 2, the first chamber and the second chamber are separated by a separation parting strip 4, and a pull handle 3 integrally formed with the first composite film 1 and the second composite film 2 is provided on the separation parting strip 4; the pull handle 3 is attached to the second composite film 2; after the lower ends of the first chamber and the second chamber are sealed, placing facial mask liquid in the first chamber, placing facial mask towels in the second chamber, and finally sealing the upper ends of the first chamber and the second chamber; when the facial mask is used, the pull handle 3 is turned up and then pulled in the direction perpendicular to the facial mask bag, so that the separation parting strips 4 can be pulled open, the first cavity and the second cavity are communicated, and facial mask liquid can soak facial masks.
In this embodiment, a flow chart of a preparation process of the dry-wet separated mask bag shown in fig. 4 and a form chart of the mask bag in the preparation process shown in fig. 3a to f specifically include the following steps:
s1: the first composite film 1 and the second composite film 2 are of an integral structure before being processed, and the form diagrams thereof are shown in fig. 3A and are respectively positioned at the left side and the right side; feeding through a feeding machine, and then turning over and covering the first composite film 1 on the second composite film 2 by adopting a single-material structure machine, so that the first composite film 1 and the second composite film 2 are overlapped neatly to form an upper-lower structure, wherein a state diagram of the upper-lower structure is shown in fig. 3B; carrying out hot-pressing edge sealing and compounding on two ends of the first composite film 1 and the second composite film 2 to form a hot-pressing area 5, wherein the width of the hot-pressing area is 4cm; the hot-pressing edge sealing process parameters are as follows: the heat sealing pressure is 0.2-0.8 MPa, the heat sealing temperature is 200 +/-20 ℃, and the heat sealing strength is 12 +/-3N/15 mm; the state diagram is shown in FIG. 3C; then, the hot-pressing area 5 is subjected to die cutting according to the shape of the pull handle 3, and a transition edge 31 and the pull handle 3 are formed; the state diagram is shown in fig. 3D, in which the first composite film 1 and the second composite film 2 form a packaging bag, in which the left and right ends of the packaging bag are closed and the upper and lower sides are opened.
S2, adjusting the bag shape in a film inversion mode, respectively opening the composite films from the inside to opposite directions by taking the transition edge 31 as a central line according to the mode of a figure 3E, and then folding the first composite film 1 and the second composite film 2; as shown in fig. 3F, the pull handle 3 and the transition edge 31 are located at two sides of the connection position of the first composite film 1 and the second composite film 2; slightly pressing the pull handle 3 and the transition edge 31 towards one side of the second composite film 2 to make the second composite film 2 be attached with the pull handle; then, hot pressing is carried out along the edge of the transition edge 31 to form a separation division bar 4, at the moment, a first cavity is formed by the first composite film, and a second cavity is formed by the second composite film; and then sealing the lower end of the facial mask bag, respectively filling facial mask liquid and facial mask towels into the two chambers, and sealing the upper end of the two chambers to obtain the dry-wet separated facial mask bag.
In this embodiment, the first composite film 1 and the second composite film 2 may be different composite films according to different storage requirements of the facial mask solution and the facial mask towel, for example, the facial mask solution needs to be stored away from light, and the material of the first composite film 1 for storing the facial mask solution may be an opaque composite film; the facial mask towel is stored without wall light, so that an opaque composite film is not needed in the storage process, and a common transparent composite film is selected; and the transparent composite film can be used for seeing the compounding condition of the facial mask towel and the facial mask liquid, so that the facial mask towel can fully absorb the facial mask liquid and then the facial mask can be taken out.
Example 2
In substantial agreement with example 1, except that in example 2, separating divider 4 was divided into 3 sections as shown in FIG. 1, comprising two straight heat-seal bars 41 and a wavy heat-seal bar 42 connecting the two straight heat-seal bars, wherein wavy heat-seal bar 42 was disposed at pull tab 3.
In this embodiment, the separating division bar 4 is divided into 3 sections, and comprises a section of wavy heat-sealing strip 42, and the wavy shape has uneven stress points when pulled, so that the wavy heat-sealing strip 42 can be pulled apart by applying a small force to the pulling handle 3, thereby communicating the first chamber with the second chamber.
Example 3
In substantial agreement with example 2, the difference is that the hot-pressing process of the straight heat-seal strip 41 in this embodiment is as follows: the heat sealing pressure is 0.2-0.8 MPa, the heat sealing temperature is 200 +/-20 ℃, and the heat sealing strength is 12 +/-3N/15 mm; the hot pressing process of the wavy seal 42 is as follows: the heat sealing pressure is 0.1-0.5 MPa, the heat sealing temperature is 150 +/-30 ℃, and the heat sealing strength is 5 +/-2N/15 mm.
In this embodiment, the high-strength hot-pressing process is performed on the portion of the straight heat-sealing strip 41, so that the bonding strength is high and the straight heat-sealing strip is difficult to tear; the wavy seal 42 is subjected to a low-strength hot pressing process, so that the bonding strength is weak, when the pull handle 3 is pulled, the wavy seal 42 is easily pulled, the first cavity is communicated with the second cavity, the straight heat seal 42 is not pulled, and the mask bag can be prevented from being torn due to excessive force.
Example 4
In substantial agreement with example 1, with the difference that there is a difference in step S1 in the manufacturing process, step S1 in this example is as follows:
s1: the first composite film 1 and the second composite film 2 are of an integral structure before being processed, and the form diagrams thereof are shown in fig. 3A and are respectively positioned at the left side and the right side; feeding through a feeding machine, then cutting the joint of the first composite film 1 and the second composite film 2 by adopting a double-material structure machine, and then leading the first composite film 1 and the second composite film 2 to form an upper-lower structure through diversion, wherein the state diagram is shown in fig. 3B; carrying out hot-pressing edge sealing and compounding on two ends of the first composite film 1 and the second composite film 2 to form a hot-pressing area 5, wherein the width of the hot-pressing area is 4cm; the hot-pressing edge sealing process parameters are as follows: the heat sealing pressure is 0.2-0.8 MPa, the heat sealing temperature is 200 +/-20 ℃, and the heat sealing strength is 12 +/-3N/15 mm; the state diagram is shown in fig. 3C; then, the hot-pressing area 5 is subjected to die cutting according to the shape of the pull handle 3, and a transition edge 31 and the pull handle 3 are formed; the state diagram is shown in fig. 3D, in which the first composite film 1 and the second composite film 2 form a packaging bag, in which the left and right ends of the packaging bag are closed and the upper and lower sides are opened.
Example 5
In this embodiment, the structure of the first composite film 1 is as follows, which is substantially the same as that of embodiment 3: the high-strength pull handle layer, the adhesive layer, the printing ink layer, the adhesive layer, the middle layer, the adhesive layer, the barrier layer, the adhesive layer and the easy-to-tear heat-sealing layer are sequentially arranged from outside to inside; the film layer structure of the second composite film 2 is: the high-strength pull handle layer, the adhesive layer, the printing ink layer, the adhesive layer, the middle layer, the adhesive layer and the easy-to-tear heat-sealing layer are sequentially arranged from outside to inside.
In this embodiment, the film layer structures of the first composite film 1 and the second composite film 2 both include a high-strength pull handle layer and an easy-to-tear heat-sealing layer, and the high-strength pull handle layer is mainly used because the pull handle 3 in this application is formed by die-cutting the area where the first composite film 1 and the second composite film 2 are hot-pressed and combined, so that the strength of the pull handle can be improved by arranging the high-strength pull handle layer, and the surface of the pull handle is broken in the tearing process. The easy-to-tear heat-sealing layer is adopted mainly because a part of the separation parting strip 4 needs to be torn off in the application, so that the first cavity is communicated with the second cavity, if the non-easy-to-tear heat-sealing layer is adopted, the pull handle 3 needs to use larger strength when being torn, and therefore the easy-to-tear heat-sealing layer can reduce the strength needed when being torn while ensuring the separation effect.
Example 6
This example is similar to example 5, in which the high strength handle layer was a high strength PET film; printing the printing ink layer by using PET as a base film through ink to obtain a printing ink layer; the middle layer is a PET film, and the barrier layer is an aluminum foil film; the easy-to-tear heat-sealing layer is an easy-to-tear film layer based on PE;
each layer of the first composite film 1 is prepared by sequentially passing through the adhesive layers from outside to inside according to the stacking sequence of the films and performing dry compounding, and the preparation method specifically comprises the following steps:
carrying out dry compounding on the high-strength PET film and the printing ink layer through an adhesive to obtain a double-layer composite film; carrying out dry method compounding on the middle layer PET film and the double-layer composite film (compounding the ink layer and the middle layer) through a binder to obtain a three-layer composite film; three-layer film compounding (compounding the middle layer with the aluminum foil film) is also carried out through compounding by an adhesive to obtain a four-layer composite film; the four-layer composite film (the aluminum foil film layer and the PE layer are compounded) is compounded with the PE film to obtain the first composite film 1.
The second composite film 2 is prepared in a similar manner to the first composite film 1 except that the aluminum foil layer and the binder layer are omitted.
By adopting the materials, the first composite film 1 has high strength, can resist external pressure, has better oxygen and moisture blocking effect, good heat resistance, good light reflectivity and glossiness, good shape at high temperature and low temperature, is suitable for high-temperature cooking, and can resist 125 ℃. The second composite membrane 2 has high strength, can resist external pressure, has good permeability, and can fully observe the mixing condition of the facial mask towel and the facial mask liquid.
Example 7
In substantial agreement with example 6, the difference is that the material of each layer is different: wherein the high-strength pull handle layer adopts a high-strength PA film; printing the printing ink layer by using PA as a base film through ink to obtain a printing ink layer; the middle layer is a PA film, and the barrier layer is an aluminum foil film; the easy-to-tear heat-sealing layer is an easy-to-tear film layer based on PE.
Example 8
The thickness of the PE-based easy-uncovering film layer is 80um, and the preparation method is that a five-layer co-extrusion film blowing process is adopted for preparation; the polyethylene-vinyl acrylate-acrylic acid composite material is prepared from polyethylene, polyethylene-vinyl acrylate and polyethylene-acrylic acid according to a specific formula, wherein the first layer, the second layer and the third layer are made of polyethylene resin, the fourth layer is made of polyethylene, polyethylene-vinyl acrylate according to a mass ratio of 1.
The first layer, the second layer and the third layer are made of polyethylene resin, the overall strength of the film can be improved, the fourth layer is made of a high-strength heat seal film layer capable of forming high viscosity, the fifth layer is made of a low-strength heat seal film layer capable of forming low viscosity, the bonding strength of the separation division bar 4 and other heat seal areas can be controlled through the hot pressing process strength through the structure of the film layers, the low-strength heat seal process is adopted at the position of the wavy heat seal bar 42 of the separation division bar 4, the bonding strength of the obtained wavy heat seal bar 42 is low, and therefore the wavy heat seal bar 42 is easy to tear; and other parts adopt high-strength hot pressing technology, so that the bonding strength is higher and the parts are not easy to tear.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A dry-wet separated facial mask bag is characterized by comprising a first composite film and a second composite film, wherein the first composite film and the second composite film are laminated and then are combined together through hot-pressing edge sealing at two ends, and a pull handle is obtained in a hot-pressing edge sealing area through die cutting; the first composite film and the second composite film take the edge sealing area as a central line, the laminated film is reversely stretched from the inside, and the first composite film and the second composite film are laminated to be in a folded state respectively; hot-pressing a separation parting bead at the joint of the first composite film and the second composite film along the edge sealing area to enable the first composite film to form a first cavity, enable the second composite film to form a second cavity, seal the lower ends of the first cavity and the second cavity, and enable the upper ends of the first cavity and the second cavity not to be sealed, so that any cavity can be selected for storing the facial mask liquid; after the facial mask towel is stored in the other chamber, the upper end of the facial mask towel is sealed.
2. The dry-wet separation mask bag according to claim 1, wherein the first composite film is a composite film comprising a barrier layer, and a first chamber is formed for storing mask liquid; the second composite film is a composite film without a barrier layer, and a second cavity is formed for placing a facial mask towel; the separation spacer needs to be hot pressed against the first composite film along the edge seal area.
3. The dry-wet separation facial film bag according to claim 1, wherein the first composite film comprises a high-strength pull handle layer, an adhesive layer, a printing ink layer, an adhesive layer, a middle layer, an adhesive layer, a barrier layer, an adhesive layer and an easy-to-tear heat-seal layer which are sequentially stacked from outside to inside; the second composite film has less barrier layer than the first composite film, and correspondingly has less adhesive layer;
wherein: the high-strength pull handle layer adopts a high-strength PET or PA film; printing the printing ink layer by using a PET or PA film as a base film through ink to obtain a printing ink layer; the middle film layer is a PET or PA film; the barrier layer is one of aluminum foil, aluminum-plated film or aluminum oxide-plated film; the easy-to-tear heat-sealing layer is an easy-to-tear film layer based on PE; the layers are sequentially subjected to dry compounding through the adhesive layers from outside to inside according to the stacking sequence of the films; and obtaining the first composite film or the second composite film.
4. The dry-wet separation mask bag according to claim 3, wherein the thickness of the PE-based easy-uncovering film layer is 40 to 120um; the preparation method adopts a five-layer co-extrusion film blowing process for preparation; the polyethylene-vinyl acrylate-acrylic acid composite material is prepared from polyethylene according to a specific formula, wherein the first layer, the second layer and the third layer are made of polyethylene resin, the fourth layer is prepared from polyethylene and polyethylene-vinyl acrylate according to a mass ratio of 1.
5. The dry-wet separation facial film bag according to claim 1, wherein said separating spacer comprises two sections of heat seal bars connected by a wave-shaped heat seal bar, the wave-shaped heat seal bar is arranged at the pull handle; the pull handle is slightly pressed to be attached to the second composite film, and can be turned up when in use.
6. A processing technology of the dry-wet separation facial mask bag according to any one of claims 1 to 5, comprising the following steps:
s1: the first composite film and the second composite film are overlapped together, then hot-pressing edge sealing is carried out on two ends of the first composite film and the second composite film to combine the composite films together, and then die cutting is carried out on a hot-pressing edge sealing area to form a pull handle; at this time, the first composite film and the second composite film form a packaging bag, the left end and the right end are closed, and the upper side and the lower side are opened;
s2: the bag shape is adjusted in a film reversing mode, the heat sealing edge area is taken as a central line, the superposed composite film is unfolded from the inside to the opposite direction, the first composite film and the second composite film are respectively in a folding opposite state, and at the moment, the pull handles are positioned on two sides of the first composite film; a transition edge is formed between the pull handle and the second composite film and is also positioned at two sides of the first composite film;
s3: heat-sealing the first composite film along the edge of the transition edge to form a separation division bar, wherein the first composite film forms a first chamber; the second composite film forms a second chamber; and carrying out hot-pressing edge sealing on the lower ends of the first cavity and the second cavity, wherein the upper ends are not sealed, respectively filling the first cavity and the second cavity with mask liquid and mask towels, then carrying out hot-pressing edge sealing on the upper ends, and cutting an easy-to-tear opening on the second composite film.
7. The processing technology of the dry-wet separation facial film bag according to claim 6, wherein in the step S1, the first composite film and the second composite film are identical in size, and are connected into a whole structure before being overlapped; the first composite film and the second composite film are overlapped, a single material structure can be adopted, and either the first composite film or the second composite film is overturned to be overlapped; or a double-material structure is adopted, the connecting position of the first composite membrane and the second composite membrane is separated, and the first composite membrane and the second composite membrane are overlapped through diversion.
8. The processing technology of the dry-wet separation facial film bag according to claim 6, wherein in the step S1, the width of the hot-pressing edge sealing area needs to be more than 3cm, and the parameters of the hot-pressing edge sealing technology are as follows: the heat sealing pressure is 0.2-0.8 MPa, the heat sealing temperature is 200 +/-20 ℃, and the heat sealing strength is 12 +/-3N/15 mm.
9. The processing technology of the dry-wet separation facial film bag according to claim 6, wherein the separation division bar is divided into three sections, including two straight heat-seal bars and a wave-shaped heat-seal bar connecting the two straight heat-seal bars; the hot pressing process of the straight heat sealing strip comprises the following steps: the heat sealing pressure is 0.2-0.8 MPa, the heat sealing temperature is 200 +/-20 ℃, and the heat sealing strength is 12 +/-3N/15 mm; the hot pressing process of the wave-shaped seal strip comprises the following steps: the heat sealing pressure is 0.1-0.5 MPa, the heat sealing temperature is 150 +/-300 ℃, and the heat sealing strength is 5 +/-2N/15 mm.
10. The processing technology of the dry-wet separation facial film bag according to claim 6, wherein in the step S3, the technological parameters of the lower end hot-pressing edge sealing and the upper end hot-pressing edge sealing are as follows: the heat sealing pressure is 0.2-0.8 MPa, the heat sealing temperature is 200 +/-20 ℃, and the heat sealing strength is 12 +/-3N/15 mm.
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| CN202211571052.5A CN115924297B (en) | 2022-12-08 | 2022-12-08 | Dry-wet separation mask bag and processing technology thereof |
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| CN115924297B (en) | 2023-07-07 |
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