WO2021239094A1

WO2021239094A1 - Anti-slip adhesive film, preparation method therefor, and application thereof

Info

Publication number: WO2021239094A1
Application number: PCT/CN2021/096659
Authority: WO
Inventors: 池驰
Original assignee: 池驰
Priority date: 2020-05-28
Filing date: 2021-05-28
Publication date: 2021-12-02
Also published as: CN111548755A; JP2022535634A; JP7187083B2

Abstract

The present application relates to the field of anti-slip products, and provides an anti-slip adhesive film, a preparation method therefor, and an application thereof. The anti-slip adhesive film comprises a hot-pressed adhesive film layer and a base layer sequentially laminated together. The hot-pressed adhesive film layer consists of the following raw material components: 30%-40% of SEBS, 20%-35% of a high-viscosity paraffin oil, 30%-40% of a low-viscosity paraffin oil, 1%-6% of a titanium dioxide powder, 0.5%-2.5% of a perfume, 0.5%-2.5% of polypropylene, 0.1%-1.5% of an antioxidant, and 0.1%-1% of an anti-sticking agent. The anti-slip adhesive film prepared by the present invention is safe and non-toxic, has high tensile strength and high elongation at break, good elasticity, and a light and thin texture, and when the anti-slip adhesive film is applied to clothing, said clothing is not uncomfortable to wear.

Description

Anti-slip adhesive film and preparation method and application thereof

Technical field

The invention relates to the field of anti-skid products, in particular to an anti-skid film and a preparation method and application thereof.

Background technique

With the improvement of people's living standards, there is a higher pursuit and exquisiteness for dressing and matching, which must be good-looking and comfortable. Among them, people like to wear clothes that can be kept in place and keep their original shape for a long time to ensure that the clothes are more beautiful and comfortable. However, many clothing currently has the problem of poor slip resistance. When people wear it, the clothing is easily unable to remain in the original wearing position due to the movement of the wearer's body or the relative sliding with other matching clothing, which reduces the comfort of the wearer. Degree and aesthetics.

In order to prevent clothing from sliding, people often install non-slip structures in some clothing. The non-slip structures are generally set near the frills of the inner legs (such as shorts) or sleeves (sports tops) of the wearer's body so as to be relative to the wearer's legs or The arm maintains the fabric in place, thereby reducing its sliding on the skin or relative to any underlying clothing and preventing its free end from curling. Especially in the hosiery or underwear industry, people often install non-slip structures on the heels and inner ankles of socks or under the chest and shoulder straps of the underwear. At present, the material of the non-slip structure is usually a silicone elastic polymer material or a silicone material. The silicone layer or liquid silicone is usually printed on the inside of the clothing by a screen printing process, and then it is dried and solidified at a high temperature. However, the anti-skid structure prepared by the above-mentioned preparation method using silicone elastic material or silica gel material has a thicker thickness, and the elasticity and shrinkage decrease during long-term use, resulting in poor anti-skid effect of clothing and affecting the appearance of clothing. In addition, some people will have allergies, which greatly reduces the comfort of wearing.

The Chinese invention application with publication number CN108359208A discloses a non-slip stationery pen cover TPE material and a preparation method thereof. The pen cover made of this non-slip stationery pen cover TPE material has good anti-slip performance and soft skin touch. The technical solution adopted is as follows: A non-slip stationery pen cover TPE material, which is characterized by the following weight ratio components: hydrogenated styrene-isoprene-styrene block copolymer (SEPS) 20-28% ; Paraffin oil 20-30%; homopolymer polypropylene 10-20%; calcium carbonate 5-15%; ethylene-acrylic acid copolymer 10-22%; hydrogenated styrene-butadiene-styrene block copolymer 8 -15%; Silicon-based thermoplastic vulcanizate 10-24%; antioxidant 0·1-0·2%. The TPE used here is SEPS, and only 20-30% of paraffin oil is used on stationery pen covers. The obtained non-slip stationery pen cover TPE material has relatively high static friction coefficient, which is far from meeting the requirements of friction in clothing.

Summary of the invention

Aiming at the technical problems of poor anti-skid structure, poor anti-skid performance, and thicker thickness in the prior art, the present invention proposes an anti-skid adhesive film and a preparation method and application thereof.

The technical scheme adopted by the present invention is as follows:

A non-slip adhesive film, comprising a hot-pressed adhesive film layer and a base layer that are sequentially laminated; the hot-pressed adhesive film layer is composed of the following raw material components: SEBS 30%-40%, paraffin oil high viscosity 20%-35% , Paraffin oil low viscosity 30%-40%, titanium dioxide 1%-6%, flavor 0.5%-2.5%, polypropylene 0.5%-2.5%, antioxidant 0.1%-1.5%, anti-sticking agent 0.1%-1 %.

In the present invention, SEBS is a thermoplastic rubber with polystyrene as the terminal segment and ethylene-butene copolymer obtained by hydrogenation of polybutadiene as a linear triblock copolymer with the middle elastic block, that is, styrene- Ethylene/butene-styrene polymer. SEBS does not contain unsaturated double bonds, so it has good stability and aging resistance. Since SEBS does not contain unsaturated double bonds and has high purity, it has good antioxidant and ozone resistance, and does not contain protein in it, so it will not cause allergic reactions to contacts. In the present invention, by using SEBS as the main raw material, adding high and low viscosity paraffin oil, titanium dioxide, fragrance, polypropylene, antioxidant and anti-sticking agent with good compatibility with SEBS, and mixing and reacting together through a reasonable ratio The obtained hot-pressed adhesive film layer is not only safe and non-toxic, good elasticity, and transparent in color, and has excellent anti-slip properties, so that the prepared anti-slip film has safe, non-toxic, high tensile strength and elongation at break , It has the characteristics of good elasticity, light and thin hand feeling, and when the non-slip film is applied to clothing, it will be comfortable to wear.

Optionally, the hot-pressed adhesive film layer is composed of the following raw material components: SEBS 35%, paraffin oil high viscosity 25%, paraffin oil low viscosity 34%, titanium dioxide 3%, fragrance 1%, polypropylene 1%, Antioxidant 0.5%, anti-sticking agent 0.5%.

Optionally, the antioxidant is a hindered primary phenolic antioxidant, specifically selected from one or a combination of at least two of antioxidant 1010, antioxidant 1076, antioxidant 1098, and antioxidant 1024.

Optionally, the anti-adhesion agent is one or a combination of at least two of the anti-adhesion agent JC-30, the anti-adhesion agent JC-50, or the erucamide ER-CH anti-adhesion agent.

On the other hand, the present invention also provides a method for preparing a non-slip adhesive film, which includes the following steps:

(1) Add the raw materials of the anti-slip film into the mixer, and then mix them uniformly at room temperature to obtain a mixture;

(2) The mixture obtained in step 1 is added to a twin-screw extruder, and the product is extruded while reacting, and the product is cast in counter-pressure molding to obtain a hot-pressed adhesive film layer;

(3) The hot-pressed adhesive film layer is pressed onto the base layer by double-rollers to obtain a non-slip adhesive film in the form of a film with the adhesive film attached to the base layer.

The present invention adopts the preparation method of the non-slip adhesive film using SEBS as the main raw material, which does not need to go through the high-temperature drying step again, and can be formed and fixed on the clothes at a suitable position only by hot pressing. The preparation method is not only energy-saving and environmentally friendly, but also the prepared anti-skid film is very thin, with a thickness of 0.05-0.5 mm, and the thinnest thickness can reach 0.01-0.03 mm. When it is applied to clothing, there is almost no squeezing feeling when wearing, and the comfort is better.

Optionally, the mixing time of the raw materials of the anti-skid film in the mixer is 20-24 hours.

Optionally, the temperature in the twin-screw extruder is 220° C., the pressure is 5 MPa, and the rotation speed is 200 r/min.

Optionally, the base layer in the step 3 is any one of a PE release film, a PET release film, and an OPP release film.

In addition, the present invention also provides an application of a non-slip film, which includes a clothing body and at least one non-slip structure connected to the clothing body, and the non-slip structure is the non-slip film described in the present invention.

Optionally, the clothing body is any one of socks, underwear, gloves, pants, sun protection clothing and protective clothing.

The beneficial effects of the present invention are:

The anti-slip film obtained by selecting the hot-pressed adhesive film layer of the specific formula and the base layer in accordance with the present invention not only has the best static and dynamic friction coefficients, but also has high tensile strength and elongation at break, and has good anti-skid properties. It is safe and non-toxic, feels light and comfortable, and can be used in socks, underwear, gloves, sun protection clothing, protective clothing, pants and sports shirts.

Description of the drawings:

Fig. 1 is a schematic structural diagram of an embodiment of the anti-slip adhesive film of the present invention when applied to socks.

The reference signs in the figure are:

1. Socks body; 2. Socks toe; 3. Socks body; 4. Socks heel; 5. Anti-slip film; 6. Luokou.

Detailed ways:

In order to make the above and other objects, features and advantages of the present invention more comprehensible, specific embodiments accompanied with drawings are described in detail as follows.

Example 1

A non-slip adhesive film, comprising a hot-pressed adhesive film layer and a base layer that are sequentially laminated; the hot-pressed adhesive film layer is composed of the following raw materials: SEBS 35%, paraffin oil high viscosity 25%, paraffin oil low viscosity 34%, Titanium dioxide 3%, flavor 1%, polypropylene 1%, antioxidant 0.5%, anti-sticking agent 0.5%.

The method for preparing the anti-skid adhesive film described above includes the following steps:

(1) Add the raw materials of the anti-slip film into the mixer, and then mix for 24 hours at room temperature to obtain a mixture;

(2) Add the mixture obtained in step 1 into a twin-screw extruder with a temperature of 220°C, a pressure of 5 MPa, and a rotation speed of 200 r/min, and extrude the product while reacting, and cast it into counter-pressure molding to obtain a hot press Film layer

(3) The hot-pressed adhesive film layer is laminated on the PE release film layer by double-rollers to obtain a non-slip adhesive film in the form of a film with the adhesive film attached to the release film layer.

The present invention tests the performance of the anti-skid film obtained in Example 1. According to the GB 10006-1988 method, the static friction coefficient is 1.26 and the dynamic friction coefficient is 1.07; the elongation at break is measured according to the GB/T 1040.2-2006 method. %) 835, measured according to the GB/T 1040.3-2006 method, 100% elongation modulus (MPA) 1.11.

Example 2

A non-slip adhesive film, including a hot-pressed adhesive film layer and a base layer that are sequentially laminated; the hot-pressed adhesive film layer is composed of the following raw material components: SEBS 30%, paraffin oil high viscosity 35%, paraffin oil low viscosity 30%, Titanium dioxide 4%, flavor 0.4%, polypropylene 0.3%, antioxidant 0.15%, anti-sticking agent 0.15%.

(1) Add the raw materials of the anti-slip film into a mixer, and mix for 24 hours at room temperature to obtain a mixture;

The present invention tests the performance of the anti-skid film obtained in Example 2. According to the GB 10006-1988 method, the static friction coefficient is 1.25 and the dynamic friction coefficient is 1.05; the elongation at break is measured according to the GB/T 1040.2-2006 method. %) 832, measured according to GB/T 1040.3-2006 method, 100% elongation modulus (MPA) 1.09.

Example 3

A non-slip adhesive film, comprising a hot-pressed adhesive film layer and a base layer that are sequentially laminated; the hot-pressed adhesive film layer is composed of the following raw materials: SEBS 36%, paraffin oil high viscosity 24%, paraffin oil low viscosity 31%, Titanium dioxide 5%, flavor 1.3%, polypropylene 1.2%, antioxidant 0.7%, anti-sticking agent 0.8%.

(3) The hot-pressed adhesive film layer is laminated on the PE release film layer by two-rollers to obtain a non-slip adhesive film in the form of a film with the adhesive film attached to the release film layer.

The present invention tests the performance of the anti-skid film obtained in Example 3. It is measured according to the GB 10006-1988 method: the static friction coefficient is 1.24, the dynamic friction coefficient is 1.03; according to the GB/T 1040.2-2006 method, the elongation at break is (100 %) 830, measured according to GB/T 1040.3-2006 method, 100% elongation modulus (MPA) 1.07.

From the results of the performance test in the anti-skid film detected in Examples 1-3 of the present invention, it can be seen that the anti-skid film prepared by the present invention not only has the best static and dynamic friction coefficients, but also has higher tensile strength. And breaking elongation, has good slip resistance. At the same time, since the anti-skid film of the present invention uses SEBS as the main raw material, and SEBS does not contain unsaturated double bonds and has high purity, so that it has good oxidation resistance and ozone resistance, and does not contain protein, it will not Allergic reactions are caused to contacts, so that the anti-skid adhesive film obtained by the present invention is safe and non-toxic, has good elasticity, and is transparent in color. In addition, the anti-skid adhesive film prepared by the present invention is very thin, with a thickness of 0.05-0.5mm, and the thinnest can reach 0.01-0.03mm. When the non-slip adhesive film prepared by the present invention is applied to clothing, there is no need to go through the high-temperature drying step again, and it can be formed and fixed on the appropriate position of the clothing only by hot pressing, and there is almost no squeezing feeling when wearing, and the comfort is relatively high. good. It can be seen that the anti-slip film of the present invention not only has good anti-slip properties, but is also safe and non-toxic, light and thin in hand, and excellent in comfort.

In addition, the present invention also provides an application of a non-slip film, including a clothing body and at least one non-slip structure connected to the clothing body, the non-slip structure being the non-slip film in the present invention.

In the present invention, the non-slip structure and the clothing body are integrated. In other embodiments, the non-slip structure and the clothing body are detachably connected.

In the present invention, the clothing body can be socks, underwear, gloves and pants, sun protection clothing, protective clothing and other clothing. When the clothing body is pants or tops, the non-slip film is generally set on the inner leg (such as shorts) facing the wearer's body. Or near the ruffles of the sleeves (sports tops) in order to maintain the fabric in place relative to the wearer's legs or arms, thereby reducing its sliding on the skin or relative to any underlying clothing and preventing its free ends from curling.

When the clothing body is underwear, the non-slip film is generally arranged under the chest and the shoulder straps of the underwear.

When the garment body is a glove, the non-slip film is generally set on the inside of the glove opening near the wrist. Especially when used as a medical glove, the non-slip film can keep the port of the glove in the original state and will not be folded due to external factors. , It can effectively avoid the inconvenience caused by the movement of the gloves in use.

When the clothing body is a protective clothing or sun protection clothing, the non-slip film is generally arranged near the elbows, knees, ankles, and wrists of the wearer's body. The non-slip film is arranged so that the fabric relative to the wearer's arms, knees, ankles, and wrists can be maintained in place, thereby reducing its sliding on the skin or relative to any underlying clothing.

When the clothing body is a socks, especially shallow-mouth socks, the non-slip film is generally arranged on the inner side of the heel or the inner side of the socks in contact with the ankle.

From the results of the performance test in the anti-skid film detected in Examples 1-3 of the present invention, it can be seen that the anti-skid film prepared by the present invention not only has the best static and dynamic friction coefficients, but also has higher tensile strength. And breaking elongation, has good slip resistance. At the same time, since the anti-skid film of the present invention uses SEBS as the main raw material, and SEBS does not contain unsaturated double bonds and has high purity, so that it has good oxidation resistance and ozone resistance, and does not contain protein, it will not Allergic reactions are caused to contacts, so that the anti-skid adhesive film obtained by the present invention is safe and non-toxic; the anti-skid adhesive film prepared by the present invention is very thin, with a thickness of 0.05-0.5 mm, and the thinnest can reach 0.01-0.03 mm. Therefore, when the non-slip film in any of the embodiments 1-3 is used in clothing such as socks, underwear, gloves and pants, sun protection clothing, protective clothing, etc., it can not only increase the contact position between the clothing and the wearer's body. Friction can effectively prevent the clothing from sliding relative to the wearer's body, and there is almost no squeezing feeling when wearing, and the comfort is better.

In order to better explain the position of the anti-slip film in the present invention, the present invention provides a schematic structural diagram of a shallow socks provided with an anti-slip film. As shown in Fig. 1, a sock includes a sock body 1 and a lug 6. The sock body 1 includes a sock heel 4, a sock body 3 and a sock toe 2, and a non-slip film 5 is provided on the inner side of the sock heel 4. The anti-slip film provided on the sock is the anti-slip film obtained in any one of Examples 1-3. In the present invention, the anti-slip film obtained in any one of Examples 1-3 will be used. The non-slip film used as the non-slip structure of the socks is set as Example 4.

At the same time, in order to prove the wearing effect of the socks with the anti-skid structure using the anti-skid film obtained in any one of the embodiments 1-3 in Embodiment 4, the present invention provides a comparative example.

Comparative Example: Different from the socks shown in Example 4, the material of the non-slip film of the socks in the Comparative Example is different from the material of the non-slip film of the socks in Example 4 of the present invention. The material of the non-slip film in the Comparative Example is Silica gel or silicone, other parts are the same.

In order to test the wearing effect of the anti-skid film prepared by using the anti-skid film in embodiment 4 of the present invention (using the anti-skid film in any of the embodiments 1-3) and the comparative example, the present invention randomly 200 men and 200 women were selected to try on the socks with the non-slip film in any of the examples 1-3 and the socks of the comparative example. Among them, 100 of the 200 men were selected as group A Personnel, try on socks with anti-slip film in any of the embodiments 1-3 of the present invention, and another 100 as group B personnel, try on socks with anti-slip film made of silicone material; In the same way, 100 out of 200 women are selected as the C group, and try on the socks with the non-slip film in any of the embodiments 1-3 of the present invention, and the other 100 are the D group. Wear socks with non-slip film made of silicone material. The four groups of persons A, B, C, and D wear the corresponding socks for three days and wash them twice when the shoe type, walking time and other external factors are basically the same. The four groups of people, D, conducted an investigation on the heel drop, elastic effect and comfort of the socks during the trial period. The results of the investigation are shown in Table 1 and Table 2, where the numbers in the table represent the number of people.

Table 1: Comparison of heel drop, elasticity and comfort of anti-slip structure in Example 4 and Comparative Example

Table 2: Comparison of anti-slip, elasticity and comfort of anti-slip structure in Example 4 and Comparative Example

From the results in Table 1 and Table 2, it can be seen that whether men or women wear socks with the anti-slip film prepared by the present invention as an anti-slip structure, the probability of heel drop (falling off) is within 2%, and it has good elasticity. And excellent comfort. It can be seen that the anti-skid film prepared by the present invention not only has an excellent anti-skid effect, but also has good elasticity and excellent comfort.

The above descriptions are only the preferred embodiments of the present invention, and do not limit the scope of patent protection of the present invention. Any equivalent structural transformations made using the contents of the description and drawings of the present invention are directly or indirectly applied to other related technical fields. The same principles are included in the protection scope of the present invention.

Claims

A non-slip adhesive film, which is characterized in that it comprises a hot-pressed adhesive film layer and a base layer that are sequentially laminated; the hot-pressed adhesive film layer is composed of the following raw material components: SEBS 30%-40%, paraffin oil high viscosity 20 %-35%, paraffin oil low viscosity 30%-40%, titanium dioxide 1%-6%, flavor 0.5%-2.5%, polypropylene 0.5%-2.5%, antioxidant 0.1%-1.5%, anti-sticking agent 0.1%-1%.
The non-slip adhesive film of claim 1, wherein the hot-pressed adhesive film layer is composed of the following raw material components: SEBS 35%, paraffin oil high viscosity 25%, paraffin oil low viscosity 34%, titanium dioxide 3 %, flavor 1%, polypropylene 1%, antioxidant 0.5%, anti-sticking agent 0.5%.
The anti-skid film of claim 1, wherein the antioxidant is a hindered primary phenolic antioxidant.
The anti-slip film of claim 1, wherein the anti-adhesive agent is one or at least one of anti-adhesion agent JC-30, anti-adhesion agent JC-50 or erucamide ER-CH anti-adhesion agent A combination of the two.
The method for preparing a non-slip adhesive film according to any one of claims 1 to 4, wherein the preparation method comprises the following steps:

(1) Add the raw materials of the anti-slip film into the mixer, and then mix them uniformly at room temperature to obtain a mixture;

(2) The mixture obtained in step 1 is added to a twin-screw extruder, and the product is extruded while reacting, and the product is cast in counter-pressure molding to obtain a hot-pressed adhesive film layer;

(3) The hot-pressed adhesive film layer is pressed onto the base layer by double-rollers to obtain a non-slip adhesive film in the form of a film with the adhesive film attached to the base layer.
The anti-skid film of claim 5, wherein the mixing time of the raw materials of the anti-skid film in the mixer is 20-24 hours.
The non-slip adhesive film of claim 6, wherein the temperature in the twin-screw extruder is 220° C., the pressure is 5 MPa, and the rotation speed is 200 r/min.
The non-slip adhesive film of claim 5, wherein the base layer in the step 3 is any one of a PE release film, a PET release film, and an OPP release film.
An application of a non-slip film, characterized by comprising a clothing body and at least one non-slip structure connected to the clothing body, the non-slip structure being the non-slip film according to any one of claims 1-4.
The application according to claim 9, wherein the clothing body is any one of socks, underwear, gloves, trousers, sun protection clothing and protective clothing.