TWI739407B - Dressing layered structure and manufacturing method thereof - Google Patents

Abstract

The invention provides a method for manufacturing a layered dressing structure, which comprises coating a first material layer on a first base layer, the first material layer comprises a first predetermined weight ratio of functional powder and silicone rubber, wherein the functional powder is evenly distributed in the silicone rubber; coating a second material layer on the second base layer, the second material layer comprising a second predetermined weight ratio of far-infrared powder and silicone gel, wherein the far-infrared powder is evenly distributed in the silicone gel; and stacking the first material layer and the second material layer facing to each other and then pressed them to shape them.

Description

Dressing layered structure and manufacturing method thereof

The invention relates to a layered dressing structure and a manufacturing method thereof. Specifically, it relates to a method of layering dressings with different material ratios.

If the body undergoes heavy exercise, stands for a long time or has a long-term poor posture, muscles often feel sore or tight due to stiffness. In order to reduce these symptoms, a sore patch containing anti-inflammatory agents and other relief agents is usually used to achieve Soothes muscle soreness. Although the use of sore patches containing drugs can alleviate various symptoms of discomfort, long-term use may cause side effects such as excessive absorption of the drug, and skin itching or redness due to allergies.

Far-infrared rays are part of the sun's rays, and their wavelengths range from about 4 microns to 400 microns. Among all sun rays, only far-infrared rays can resonate with the molecules of the human body to promote the expansion of microvessels, thus improving blood circulation, Promote metabolism, thereby increasing the body's immunity and other functions. However, although the conventional far-infrared patch with a single-layer structure can reduce the problem of excessive drug absorption by the body, it is often difficult to clearly feel the effect of relieving muscle soreness in use. Therefore, how to improve the far-infrared patch to improve blood circulation Efficacy is an urgent issue to be solved.

However, due to the material properties of the far-infrared powder, when mixed with other substances, the handling properties will be deteriorated and it is difficult to uniformly or layer by layer. Therefore, how to achieve the layering of the material layer is also an urgent issue to be solved.

In view of the above-mentioned problems of the prior art, the purpose of the present invention is to provide a method for manufacturing a layered structure of a dressing to solve the problems of the conventional far-infrared patch because it cannot effectively emit far-infrared rays and has poor effect and poor contact sensitivity.

Based on the above objective, the present invention provides a method for manufacturing a dressing layered structure, which includes the following steps: coating a first material layer on a first base layer, the first material layer comprising a first predetermined weight ratio of far-infrared powder and silicone , The far-infrared powder is evenly distributed in the silicone; the second material layer is coated on the second base layer, the second material layer includes a second predetermined weight ratio of functional powder and silicone, and the functional powder is evenly distributed in the silicone; And the first material layer and the second material layer are laminated so as to face each other and then pressed into a molding.

Preferably, the functional powder is far-infrared powder or silver ion powder, and the far-infrared powder is ceramic powder or bamboo charcoal powder formed by firing through a high-temperature sintering process.

Preferably, the first base layer is a release layer, and the second base layer is a release layer, non-woven fabric, cotton cloth or linen cloth.

Preferably, the material of the release layer is polyethylene terephthalate (PET), polypropylene (PP), polyethylene (PE) or silicon film

Preferably, the first predetermined weight ratio of the functional powder of the first material layer to the silicone gel is 8:2-5:5; the second predetermined weight ratio of the far-infrared powder of the second material layer to the silicone gel is 8:2~ 5:5.

Preferably, when the first material layer and the second material layer contain far-infrared powder, the content of the far-infrared powder in the second material layer is higher than the content of the far-infrared powder in the first material layer.

According to another embodiment of the present invention, the aforementioned method further includes: forming a third material layer including a third predetermined weight ratio on the third base layer, and the third material layer includes a third predetermined weight ratio of far-infrared powder and silicone ; After the second base layer is removed, the third material layer is laminated to the second material and then pressed into a molding; wherein the far-infrared powder content in the third material layer is higher than that in the first material layer and the second material layer The content of infrared powder.

Preferably, the first base layer is a release layer, and the second base layer is a release layer, non-woven fabric, cotton cloth or linen cloth.

Preferably, the material of the release layer is polyethylene terephthalic acid, polypropylene, polyethylene or silicon film.

Based on the above objective, the present invention further provides a dressing layered structure, which is made by the aforementioned method. The layered dressing structure has a structure of multiple layers of materials.

In summary, according to the dressing layered structure of the present invention, it can have one or more of the following advantages:

(1) The manufacturing method of the dressing layered structure provided by the present invention

(2) The dressing layered structure of the present invention includes a first material layer formed by a specific ratio of far-infrared powder and silicone, and a second material layer formed by another ratio of functional powder and silicone that is different from the aforementioned specific ratio. The material layer is superior to the conventional far-infrared dressing layered structure, effectively providing far-infrared emissivity, so as to effectively improve human blood circulation, increase metabolism and provide the functions of functional powder.

(3) The first material layer in the layered dressing structure of the present invention contains a silicone material, so it is skin-friendly, can reduce allergies, and can be worn comfortably on the skin.

(4) The layered dressing structure of the present invention can be cut before release, and has excellent operability.

10: The first base layer

11: The first material layer

20: The second basal layer

21: The second material layer

30: The third basal layer

31: The third material layer

S11, S12, S21, S22, S31, S41, S101, S102, S111, S112, S121, S122, S131, S141, S151, S161, S171: steps

Fig. 1 is a flowchart of a method for manufacturing a layered dressing structure according to an embodiment of the present invention.

Figure 2 is a schematic diagram of a method for manufacturing a layered dressing structure according to an embodiment of the present invention.

Figure 3 is a schematic diagram of a method for manufacturing a layered dressing structure according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a method for manufacturing a layered dressing structure according to an embodiment of the present invention.

Fig. 5 is a flowchart of a method for manufacturing a layered dressing structure according to another embodiment of the present invention.

Fig. 6 is a schematic diagram of a method for manufacturing a layered dressing structure according to another embodiment of the present invention.

FIG. 7 is a schematic diagram of a method for manufacturing a layered dressing structure according to another embodiment of the present invention.

Fig. 8 is a schematic diagram of a method for manufacturing a layered dressing structure according to another embodiment of the present invention.

In order to help your examiners understand the technical features, content and advantages of the present invention and the effects that can be achieved, the present invention is described in detail with the accompanying drawings and in the form of embodiment expressions. The drawings used therein are as follows: The subject matter is for illustrative and auxiliary purposes only, and may not be the true proportions and precise configuration after the implementation of the invention. Therefore, the proportions and configuration relationships of the attached drawings should not be interpreted or limited to the scope of the patent application for the actual implementation of the invention. , Hexian explained.

Space-related terms, such as "上", "下" and other similar terms, can be used herein to describe the relationship between an element or feature depicted in the drawing and another element or feature. It will be understood that in addition to the orientation depicted in the drawings, the spatially related terms are intended to encompass different orientations of the device in use or operation. For example, if the structure in the drawing is turned over, elements described as "below" other elements or features will be oriented "above" the other elements or features. Therefore, the exemplary terms "below" and "below" can include both the direction of above and below. The structure can be turned to other orientations (for example, rotated 90 degrees or other orientations), and the space-related description terms used here should be explained accordingly.

Hereinafter, embodiments of the far-infrared patch structure according to the present invention will be described with reference to related drawings. For ease of understanding, the same elements in the following embodiments are described with the same symbols.

Fig. 1 is a flowchart of a method for manufacturing a layered dressing structure according to an embodiment of the present invention. The manufacturing method of the dressing laminated structure according to the embodiment of the present invention includes:

S11: Mixed first material layer 11

S21: Mixing the second material layer 21

S12: Coating the first material layer 11 on the first base layer 10

S22: Coating the second material layer 21 on the second base layer 20

S31: Laying the second material layer 21 relative to the first material layer 11

S41: Compressed synthetic type

Hereinafter, each step will be described in detail with reference to Figures 2 to 4. Figures 2 to 4 are schematic diagrams of a method for manufacturing a layered dressing structure according to an embodiment of the present invention.

In step S11, the first material layer 11 is uniformly mixed. The first material layer 11 includes far-infrared powder or silver ion powder and silicone. Among them, the far-infrared powder is a powder with high emissivity of far-infrared rays, which can be formed by high-temperature sintering process to form ceramic powder. However, the present invention is not limited to this, and it can also be made of materials such as bamboo charcoal. When making the first material layer 11, far-infrared powder can be used Or, the weight ratio of silver ion powder and silicon gel can be 8:2~5:5, preferably 4:6, 5:5, 6:4, 7:3, and most preferably 5:5. In one embodiment, the first material layer 11 contains far-infrared powder, which can effectively increase the far-infrared emissivity through the configuration of the ratio. At the same time, since the texture of silicone is soft and skin-friendly, it can reduce the user's allergies. Probability and increase the conformability to the skin. In another embodiment, the first material layer 11 contains silver ion powder. With the sterilization function of the silver ion powder, the laminated structure of the present invention can prevent bacterial proliferation when in contact with the skin, and can be safer use.

In step S21, the second material layer 21 is uniformly mixed. The second material layer 21 includes far-infrared powder and silicone. When making the second material layer 21, far-infrared powder and silicone rubber can be used, and the weight ratio can be 8:2~5:5, preferably 4:6, 5:5, 6:4, 7:3, the most The best is 8:2. When the first material layer 11 contains far-infrared powder, the content of far-infrared powder contained in the second material layer 21 is higher than that in the first material layer 11. As the content of far-infrared powder increases, the tactile feel of the mixture of far-infrared powder and silicone will also become worse. Contact, and the second material layer with higher far-infrared powder content is the main source of far-infrared.

As shown in Figure 2, in steps S12 and S22, the first material layer 11 and the second material layer 21 are respectively coated on the first base layer 10 and the second base layer 20. The coating method can be spin coating. Method or roll coating method, but the present invention is not limited to this, and any coating method that can uniformly distribute the first material layer 11 and the second material layer 21 can be used. The first base layer 10 may be a release layer, and the second base layer may be a release layer or a cloth with good air permeability, such as non-woven cloth, cotton cloth or linen cloth, preferably non-woven cloth, so that the patch structure is attached to When on the skin, the comfort of the skin can still be maintained. The material of the release layer can be polyethylene terephthalate (PET), polypropylene (PP), polyethylene (PE) or silicon film, or other materials with release function. In an embodiment of the present invention, the second base layer 20 may have a plurality of ventilation holes to maintain the covered skin Breathability. The provision of the air-permeable holes can avoid the user's skin discomfort caused by long-term sticking, thereby increasing the use time of the dressing layered structure of the present invention.

Next, as shown in FIG. 3, in step S31, the first material layer 11 and the second material layer 21 are laminated in a manner facing each other, so that the first material layer 11 and the second material layer 21 are in complete contact. Then, as shown in Fig. 4, in step S41, the second base layer 20, the second material layer 21, the first material layer 11, and the first base layer 10 are sequentially laminated in the form of a laminator or a roller. Apply pressure to make it fit closely to each other. The thickness of the second material layer 21 and the first material layer 11 after compression molding are respectively about 0.05 cm to about 0.15 cm and 0.25 cm to about 0.35 cm, preferably about 0.1 cm and about 0.3 cm, the second material The thickness of the layer 21 and the first material layer 11 may be the same or different from each other by the amount during coating, and the far-infrared radiation effect amount and the user experience can be taken into consideration in this thickness range.

In another embodiment of the present invention, an adhesive layer (not shown) may be included between the first material layer 11 and the first base layer 10. The adhesive layer may contain a thermoplastic elastomer, which is used in the present invention. "Plastic elastomer" refers to an elastomer that softens when heated and exhibits fluidity, and exhibits thermoplasticity that returns to a rubber-like elastomer when cooled. From the viewpoint of having both sufficient skin adhesion and low skin irritation, As the thermoplastic elastomer, a styrene-based thermoplastic elastomer can be used. In addition, the adhesive layer may further contain an adhesive imparting agent, which refers to a resin widely used for imparting adhesiveness to the skin in the conventional patch technology field, and examples thereof include rosin-based resins, polyterpene resins, petroleum-based resins, Terpene-phenol resin, alicyclic saturated hydrocarbon resin, or a combination thereof. Furthermore, the area of the adhesive layer can be the same as that of the first material layer 11, so that the dressing layer structure can be well attached to the skin, so that the human skin can effectively absorb the released material from the first material layer 11 and the second material layer 21. wavelength. However, the present invention is not limited to this, that is, if the far-infrared powder is mixed with the silicone gel, that is, the adhesive layer can be omitted when the adhesive layer is sufficiently adhered to the skin.

Next, another embodiment of the present invention will be described with reference to FIGS. 5 to 8. Fig. 5 is a flowchart of a method for manufacturing a layered dressing structure according to another embodiment of the present invention. Figures 6 to 8 are schematic diagrams of a method for manufacturing a layered dressing structure according to another embodiment of the present invention.

In this embodiment, the manufacturing method of the dressing layered structure according to the present invention includes:

S101: Mixing the first material layer 11

S111: Mixing the second material layer 21

S121: Mixing the third material layer 31

S102: Coating the first material layer 11 on the first base layer 10

S112: Coating the second material layer 21 on the second base layer 20

S122: Coating the third material layer 31 on the second base layer 30

S131: Laying the second material layer 21 relative to the first material layer 11

S141: Compressed synthetic type

S151: Remove the second base layer 20

S161: Laying the third material layer 31 relative to the second material layer 21

S171: Compressed synthetic type

Steps S101, S102, S111, S112, S131, and S141 respectively correspond to S11, S12, S21, S22, S31, and S41 of the foregoing embodiment. The same detailed description will not be repeated here, and only the different steps S121, S122, and S151 will be described here. , S161 and S171 are described in detail.

Following step S41 of the foregoing embodiment (corresponding to step S141 of this embodiment), in this embodiment, the third material layer 31 is uniformly mixed in step S121. The third material layer 31 includes far-infrared powder and silicone. When making the third material layer 31, far-infrared powder and silicone rubber can be used, and the weight ratio can be 8:2~5:5, preferably 4:6, 5:5, 6:4, 7:3, and the most The best is 8:2. The content of far-infrared powder in the third material layer 31 is higher than the content of far-infrared powder in the second material layer 21. In step S122, the third material The layer 31 is coated on the third base layer 30. The coating method can be spin coating or roll coating, but the present invention is not limited to this, and any coating method that can uniformly distribute the third material layer 31 can be used. The third base layer can be a release layer or a cloth with good air permeability, such as non-woven cloth, cotton cloth or linen cloth, preferably non-woven cloth, so that when the patch structure is attached to the skin, it can still maintain the comfort of the skin . The material of the release layer can be polyethylene terephthalic acid, polypropylene, polyethylene or silicon film, or other materials with release function.

Next, as shown in FIG. 6, in step S151, the second base layer 20 on the second material layer 21 is removed, so that the second material layer 21 is exposed. Then, as shown in FIG. 7, in step S161, the second material layer 21 and the third material layer 31 are laminated so that the second material layer 21 and the third material layer 31 are in complete contact. Then, as shown in FIG. 8, in step S171, the third base layer 30, the third material layer 31, the second material layer 21, the first material layer 11, and the first base layer 10 are laminated in order in step S171. Press the machine or roller to make it fit closely to each other. The thicknesses of the third material layer 31, the second material layer 21, and the first material layer 11 after compression molding are about 0.05 cm to about 0.15 cm, 0.25 cm to about 0.35 cm, and 0.35 cm to about 0.45 cm, respectively. Preferably they are 0.1cm, 0.3cm and 0.4cm respectively. The thickness of the third material layer 31, the second material layer 21 and the first material layer 11 can be the same or different from each other by controlling the amount of coating. In this thickness range It can take into account both the far-infrared radiation effect and the user's experience.

In another embodiment of the present invention, the pressing and forming step of step S141 can be omitted, and the step of removing the second base layer 20 of step S151 can be directly followed to reduce the manufacturing process.

In an embodiment of the present invention, the third base layer 30 may have a plurality of air holes to maintain the air permeability of the covered skin. The provision of the air-permeable holes can avoid the user's skin discomfort caused by long-term sticking, thereby increasing the use time of the dressing layered structure of the present invention.

After the dressing layered structure is manufactured according to the method for manufacturing the dressing layered structure provided by the embodiment of the present invention, it can be cut into a suitable shape through a mold so that the user can attach it to different shapes. According to actual needs, body parts can also be cut in the dressing layered structure to meet the use of different parts such as joints.

In addition, the layers of the dressing laminate structure provided by the present invention are far-infrared powder or a uniformly mixed layer of functional powder and silicone. Therefore, the entire dressing laminate structure of the present invention has the function of emitting far-infrared rays, which is not as commercially available. In the product, only the part of the ceramic block that emits far-infrared rays is effective, which can more comprehensively improve blood circulation.

The above descriptions are merely illustrative and not restrictive. Any equivalent modifications or alterations that do not depart from the spirit and scope of the present invention should be included in the scope of the appended patent application.

S11, S12, S21, S22, S31, S41: steps

Claims (8)

A method for manufacturing a layered dressing structure, comprising: coating a first material layer on a first base layer, the first material layer comprising a first predetermined weight ratio of functional powder and silicone, wherein the functional powder is uniform Distributed in silicone; coating a second material layer on a second base layer, the second material layer includes a second predetermined weight ratio of far-infrared powder and silicone, wherein the far-infrared powder is evenly distributed in the silicone; And the first material layer and the second material layer are laminated in a manner facing each other and then pressed into a molding; wherein when the first material layer and the second material layer contain far-infrared powder, the distance in the second material layer The content of infrared powder is higher than the content of far infrared powder in the first material layer. The method according to claim 1, wherein the functional powder is far-infrared powder or silver ion powder, and the far-infrared powder is ceramic powder or bamboo charcoal powder formed by firing through a high-temperature sintering process. The method according to claim 1, wherein the first base layer is a release layer, and the second base layer is a release layer, non-woven fabric, cotton cloth or linen cloth. The method according to claim 3, wherein the material of the release layer is polyethylene terephthalate (PET), polypropylene (PP), polyethylene (PE) or silicon film. The method according to claim 1, wherein the first predetermined weight ratio of the functional powder of the first material layer to the silicone gel is 8:2-5:5; the far infrared of the second material layer The second predetermined weight ratio of the wire powder to the silicone rubber is 8:2-5:5. The method according to claim 5, further comprising: forming a third material layer on a third base layer, the third material layer comprising a third predetermined weight ratio of far-infrared powder and silicone; removing the second After the two base layers, the third material layer is laminated to the second material and then press-formed; wherein the third predetermined weight ratio of the far-infrared powder of the third material layer to the silicone gel is 8:2-5:5 And the content of far-infrared powder in the third material layer is higher than the content of far-infrared powder in the first material layer and the second material layer. The method according to claim 6, wherein the first base layer is a release layer, the second base layer is a release layer, and the third base layer is a release layer, non-woven fabric, cotton cloth or linen cloth. A layered dressing structure is made by the method described in any one of claim 1 to claim 7.

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