TWI777651B - TPU foam shoe material with anti-oil and anti-static effect - Google Patents

Abstract

The present invention is a TPU foamed shoe material with anti-oil and anti-static effects, wherein: the shoe material comprises a shoe top surface, a shoe sole surface and a shoe ring side, the shoe material is made of foamed thermoplastic polyurethane, and the shoe material is made of foamed thermoplastic polyurethane. Add plural anti-oil materials and plural antistatic agents in the material; the sole surface distinguishes the upper shoe block area and the lower shoe block area, the upper shoe block area includes the first anti-slip part and the second anti-slip part, and the lower shoe block area includes the third The anti-slip portion and the fourth anti-slip portion are concavely formed with a plurality of large diameter grooves in the first anti-slip portion and the third anti-slip portion, and the second anti-slip portion and the fourth anti-slip portion are concavely formed with a plurality of small diameters Grooves; oil-resistant materials are added to the shoe material, so that the oil cannot penetrate and erode into the shoe material, and the grooves of various diameters and small diameters are set to guide and drain the oil; in addition, antistatic agent The addition of the shoe material will not generate static electricity.

Description

TPU foam shoe material with anti-oil and anti-static effect

The present invention is a TPU foamed shoe material with anti-oil and anti-static functions, which is especially applied to the field of shoes. And to avoid the transmission of static electricity and affect the smooth work, it is an invention with excellent practicability.

Shoes are mainly used to protect the feet and prevent them from being stabbed by other sharp objects when they step on the ground. However, there are many different shoe types on the market, such as jogging shoes, football shoes, sneakers, etc. All shoe types have special sports and work purposes. Now we are discussing the work shoes worn on the construction site, which are generally used during construction. Work shoes must be worn on site, because the work shoes are embedded with extremely hard metal sheets in the upper and near the toes, mainly to avoid heavy objects falling down and crushing the toes, or being hit by sharp objects. Fall from above and stab wounds, etc.

However, the problems that occur in the workplace are not only the above problems, among which are the erosion of oil and the generation of static electricity. Simply put, in the working environment with oil, work shoes are often contaminated with oil, and for For work shoes or any shoes on the market today, as long as most of them are adhered to the oil, the oil is very easy to corrode the shoes, especially the sole part, because many soles are made of foam materials, rubber and other glues. This kind of material causes the structural components inside the sole to be damaged due to the penetration of oil; also pay attention to the problem of static electricity. In some workplaces, any items with static electricity are likely to cause sparks, resulting in more serious disasters, especially at work. The parts with plastic and rubber materials in the shoes are very easy to generate static electricity, so how to improve the work shoes on the market today is the main focus.

The main purpose of the present invention is to make the sole of the shoe lightweight and resistant to oil erosion, as well as anti-static generation to ensure safety, which improves the prior art. Parts with plastic and rubber materials are prone to problems such as static electricity. For this reason, the present inventor strives to achieve the purpose and effect of the aforementioned creation, a TPU foam shoe material with anti-oil and anti-static effects of the present invention, wherein: the shoe material comprises a shoe top surface, a shoe bottom surface and a shoe Ring side, the shoe top surface and the sole surface are arranged correspondingly, and the shoe ring side is respectively connected with the shoe top surface and the sole surface at both ends, and the shoe material is mainly foamed by foam molding. It is made of thermoplastic polyurethane, and a plurality of oil-resistant materials and a plurality of antistatic agents are added to the shoe material; in addition, the sole surface is further divided into an upper shoe block area and a lower shoe block area, the upper shoe block area and the The lower shoe block area is arranged at intervals, and the upper shoe block area further includes a first anti-slip part and a second anti-slip part and are arranged at a distance from each other, and the lower shoe block area further includes a third anti-slip part The first anti-slip portion and the third anti-slip portion are concavely formed with a plurality of large-diameter grooves, and the plurality of large-diameter grooves are crisscrossed The second anti-slip portion and the fourth anti-slip portion are concavely formed with a plurality of small-diameter grooves, and the plurality of small-diameter grooves are connected in a crisscross pattern; wherein, oil-resistant material is added through the shoe material, When the oil is attached to the outer surface of the shoe material, the oil cannot penetrate and erode into the shoe material, and the large-diameter grooves and the small-diameter grooves are set to guide and drain the oil to reduce the adhesion of the oil; In addition, the addition of a plurality of antistatic agents makes the shoe material not generate static electricity.

According to the above description of the present invention, the advantage is that, by adding oil-resistant material and antistatic agent to the shoe material, the shoe material does not need to worry about the adhesion of oil and the generation of static electricity when the shoe material is worn and used in the future. As long as the oil is spilled on the shoe material, the oil cannot erode into the interior of the shoe material, but will flow down along the surface of the shoe material, and then be drained along the large-diameter grooves and small-diameter grooves, and will not remain in the shoe. The side of the shoe ring and the sole surface of the shoe; and the addition of a plurality of antistatic agents can prevent the shoe material from actively generating electrostatically charged molecules, so it cannot make electrostatic contact with other external substances, air, etc., thereby protecting the wearer's feet. Ministry of Security. Therefore, the present invention can be said to be a very practical and progressive invention, which is worthy of being promoted by the industry and publicized to the public.

In order to clearly illustrate the above-mentioned objects and effects that the present invention can achieve, the features and effects of the embodiments of the present invention are described in detail with the accompanying drawings. Please refer to the first figure to the fifth figure, the present invention is a TPU foam shoe material with anti-oil and anti-static effect, wherein: the shoe material 10 includes a shoe top surface 101, a shoe bottom surface 102 and a shoe material The shoe ring side 103, the shoe top surface 101 and the shoe bottom surface 102 are arranged correspondingly, and the shoe ring side 103 is respectively connected to the shoe top surface 101 and the shoe bottom surface 102 at both ends, and the shoe material 10 is connected It is made of foamed thermoplastic polyurethane formed by foaming as the main material, and a plurality of anti-oil materials 20 and a plurality of antistatic agents 30 are added in the shoe material 10; in addition, the sole surface 102 is further divided into an upper shoe block area 40 and the lower shoe block area 50, the upper shoe block area 40 and the lower shoe block area 50 are arranged at intervals, and the upper shoe block area 40 further includes a first anti-slip portion 401 and a second anti-slip portion 402 and are arranged at a distance from each other, and the lower shoe block area 50 further includes a third anti-slip portion 501 and a fourth anti-slip portion 502 and are arranged at a distance from each other, wherein the first anti-slip portion 401 and the third anti-slip portion 501 The anti-slip portion 501 is concavely formed with a plurality of large-diameter grooves 60, and the plurality of large-diameter grooves 60 are connected in a crisscross pattern, and the second anti-slip portion 402 and the fourth anti-slip portion 502 are concavely formed with a plurality of Small-diameter grooves 70, and the plurality of small-diameter grooves 70 are connected in a crisscross pattern; wherein, oil-resistant material 20 is added through the shoe material 10, so that the oil is attached to the outer surface of the shoe material 10, and the oil cannot penetrate, Erosion into the shoe material 10, and the arrangement of large diameter grooves 60 and each small diameter groove 70 to guide and drain oil, reduce the adhesion of oil; in addition, a plurality of antistatic agents 30 are added to make the shoe The material 10 does not generate static electricity.

According to the above description of the present invention, when the conventional shoe bottom (shoe outsole) contacts the oil, it is very easy to corrode the shoe outsole due to the internal composition of the oil, so that the properties of the shoe outsole are destroyed or It is a chemical change, which finally causes the shoe outsole to lose its original characteristics. For this reason, in order to solve the above problem, the present invention uses the oil-resistant material 20 added in the process of making the shoe material 10. When the 10 is attached to the oil, the oil will not erode into the interior of the shoe material 10, but will flow downward along the surface of the shoe material 10, and be introduced into the sole surface through the setting of the large-diameter grooves 60 and the small-diameter grooves 70. 102, and discharge the oil during walking, so as to maintain the integrity of the shoe material 10; Similarly, in order to avoid the danger of static electricity generation, an antistatic agent 30 is added in the process of making the shoe material 10, In this way, the shoe material 10 will not generate static electricity, and the static electricity between the shoe material 10 and the outside air and objects can be avoided to generate sparks and other dangerous situations. The drawing is mainly shown in the fourth and fifth drawings, but in fact, its particle state will be displayed on the outer surface of the shoe material 10, and in order to make it clear and avoid blurred drawing, so the illustration in this case shows the oil-resistant material 20 and the antistatic agent 30. The drawing takes the section showing the interior as the main illustration.

According to the above description, other technical features of the present invention will be further described in detail. First of all, in the structural part, in the design of the first anti-slip portion 401 and the third anti-slip portion 501 of the present invention, the grooves 60 with large diameters A plurality of triangular-like blocks 601 similar to a triangle can be formed by crisscrossing each other, and the arrangement of various triangular blocks 601 is interspersed up and down to form a plurality of tooth rows 602, just like a zigzag shape, and each tooth row 602 and The tooth rows 602 are spaced apart, and each spaced position will communicate with the grooves 60 of various diameters, as shown in the third figure; in addition, the second anti-slip portion 402 and the fourth anti-slip portion 502 are also the same. A plurality of small triangular blocks 701 with smaller volumes are formed between the small-diameter grooves 70 provided in the second anti-slip portion 402 and the third anti-slip portion 501 , and each small triangular block 701 is crisscrossed. The rows of teeth 702 are interspersed and arranged in an upside-down manner (one forward and one reverse) to form a plurality of rows of teeth 702. The rows of teeth 702 are aligned with each other and a plurality of rows of teeth 702 are used to form a plurality of blocks 703. See the third figure for the spacing setting; and according to the above-mentioned setting of the triangular-like block 601 and the small triangular block 701, the functions of the large-diameter grooves 60 and the small-diameter grooves 70 are mainly used for guiding The discharge of oil, whereby in order to improve the oil can be smoothly introduced into the sole surface 102 after the oil adheres from the side 103 of the shoe ring, so the side 103 of the shoe ring is further recessed with a plurality of inlet and outlet grooves 104, and each inlet and outlet groove 104 Part of the inlet and outlet grooves 104 in the middle are connected to the distance between each tooth row 602 and the tooth row 602, and part of the inlet and outlet grooves 104 are connected to the distance between the blocks 703. In this way, when the shoe ring side 103 When the oil is attached, the oil can flow down the outer surface of the shoe material 10, and be guided into the large-diameter grooves 60 or the small-diameter grooves 70 through the setting of each inlet and outlet groove 104, and then the oil is discharged. Liquid drains.

It has also been described above that the shoe material 10 is made of foamed thermoplastic polyurethane, and is added with a plurality of oil-resistant materials 20 and a plurality of antistatic agents 30. For this reason, the present invention is provided in the first anti-slip portion 401 to the second. The four anti-slip portions 502 are integrally formed with the shoe material 10 , so the first to fourth anti-slip portions 502 are also the same as the shoe material 10 , which are formed by foam molding. It is made of foamed thermoplastic polyurethane, and is also added with a plurality of anti-oil materials 20 and a plurality of anti-static agents 30, so that the entire shoe material 10 including the first anti-slip portion 401 to the fourth anti-slip portion 502 can achieve oil resistance , antistatic effect; wherein the antistatic agent 30 can be any one or a mixture of anionic antistatic agent, cationic antistatic agent, nonionic antistatic agent or amphoteric antistatic agent, and anionic antistatic agent Agents include sodium alkyl sulfonate, phosphate, phosphate; cationic antistatic agents include ammonium salts, quaternary ammonium salts, alkyl imidazolines and alkyl imidazoline salts; nonionic antistatic agents include polyethylene Glycol esters or ethers, polyol fatty acid esters, fatty acid-ethylene oxide adducts, fatty alcohol-ethylene oxide adducts, alkylphenol-ethylene oxide adducts; amphoteric antistatic agents Then it includes alkyl dihydroxyethyl ammonium acetate, N-alkyl amino acid salt; and the oil-resistant material 20 of the present invention can be CR chloroprene rubber, NBR nitrile rubber, HNBR, hydrogenated nitrile rubber , ENR epoxy natural rubber, ACM polyacrylate rubber, AEM ethylene acrylate rubber, CSM chlorosulfonated polyethylene rubber, FKM fluorine rubber, FMVQ fluorosilicone rubber, CO epichlorohydrin rubber, PUR polyurethane rubber, TPU thermoplastic polyurethane , PVC polyvinyl chloride, CPE chlorinated polyethylene, EMA methyl acrylate elastomer, EBA ethyl acrylate elastomer, EEA butyl acrylate elastomer, EVM high VA content EVA any one or a mixture of any of them.

Finally, it is worth mentioning that, in addition to the anti-oil and anti-static effects of the present invention, the overall density of the shoe material 10 can be 0.15 to 0.35/gcm ³ , which can further achieve the characteristics of wear resistance. For the use of shoes, a wear-resistant material 80 is further added to the shoe material 10, and the wear-resistant material 80 can be PTFE, molybdenum disulfide, graphite, polysiloxane, glass fiber, carbon fiber or aromatic Any one or any combination of polyamide fibers can improve the wear resistance of the shoe material 10 and avoid excessive wear and quickly shorten the service life of the shoe material 10 .

10: shoe material

101: Top of the shoe

102: sole surface

103: Shoe ring side

104: Into the row slot

20: Oil resistant material

30: Antistatic agent

40: Upper shoe block area

401: The first anti-slip part

402: The second anti-slip part

50: Lower shoe block area

501: The third anti-slip part

502: Fourth anti-slip part

60: Large diameter groove

601: Triangle-like block

602: tooth row

70: Small diameter groove

701: Small triangular block

702: row teeth

703: Block

80: Wear-resistant material

The first figure is a three-dimensional schematic diagram of the shoe material of the present invention applied to a shoe. The second figure is a side plan view of the first figure. The third picture is a schematic plan view of the sole surface of the first picture. The fourth figure is a schematic cross-sectional view of the first figure. The fifth figure is a partial enlarged schematic view of the fourth figure.

10: shoe material

101: Top of the shoe

102: sole surface

103: Shoe ring side

104: Into the row slot

40: Upper shoe block area

401: The first anti-slip part

402: The second anti-slip part

50: Lower shoe block area

501: The third anti-slip part

502: Fourth anti-slip part

60: Large diameter groove

601: Triangle-like block

602: tooth row

70: Small diameter groove

701: Small triangular block

702: row teeth

703: Block

Claims (8)

A TPU foamed shoe material with anti-oil and anti-static effects, wherein: the shoe material comprises a shoe top surface, a shoe bottom surface and a shoe ring side surface, and the shoe top surface and the shoe bottom surface are arranged correspondingly, The two ends of the side of the shoe ring are respectively connected to the top surface and the bottom surface of the shoe, and the shoe material is made of foamed thermoplastic polyurethane, and a plurality of oil-resistant materials are added to the shoe material. , plural antistatic agents; In addition, the sole surface is further divided into an upper shoe block area and a lower shoe block area, the upper shoe block area and the lower shoe block area are arranged at intervals, and the upper shoe block area further comprises a The first anti-slip portion and the second anti-slip portion are arranged at a distance from each other, and the lower shoe block area further includes a third anti-slip portion and a fourth anti-slip portion and are arranged at a distance from each other. An anti-slip portion and the third anti-slip portion are concavely formed with a plurality of large-diameter grooves, and the plurality of large-diameter grooves are connected in a crisscross pattern, and the second and fourth anti-slip portions are concave A plurality of small-diameter grooves are formed, and the plurality of small-diameter grooves are connected in a crisscross pattern; the first anti-slip portion and the third anti-slip portion are formed with a plurality of triangular-like blocks between the large-diameter grooves, and The various triangular blocks are interspersed up and down to form a plurality of tooth rows, and the tooth rows are arranged at intervals and connected with grooves of various diameters; among them, oil-resistant materials are added through the shoe material to make the oil adhere to it. When it is on the outer surface of the shoe material, the oil cannot penetrate and erode into the shoe material, and the grooves of each large diameter and each small diameter are arranged to guide and drain the oil to reduce the adhesion of the oil; Addition of agent, so that the shoe material will not generate static electricity. The TPU foamed shoe material with anti-oil and anti-static effect as claimed in claim 1, wherein a plurality of inlet and exhaust grooves are further recessed on the side of the shoe ring, and some of the inlet and exhaust grooves in each of the inlet and exhaust grooves are connected to each other. Spacing position between tooth rows. The TPU foam shoe material with anti-oil and anti-static effect as claimed in claim 1, wherein the second anti-slip portion and the fourth anti-slip portion are formed with a plurality of small triangular blocks between the small diameter grooves , and the small triangular blocks are arranged upside down and interspersed to form a plurality of rows of teeth, the teeth of each row are aligned and arranged to form a plurality of blocks with several rows of teeth, and the blocks are arranged at intervals. The TPU foamed shoe material with anti-oil and anti-static effect as claimed in claim 3, wherein a plurality of inlet and outlet grooves are further recessed on the side of the shoe ring, and some inlet and outlet grooves in each inlet and outlet groove are connected to each Spacing position between blocks. The TPU foam shoe material with oil resistance and antistatic effect according to any one of claims 1 to 4, wherein the first anti-slip part, the second anti-slip part, the third anti-slip part and the The fourth anti-slip part is also made of foamed thermoplastic polyurethane, and is also added with a plurality of anti-oil materials and a plurality of antistatic agents. The TPU foamed shoe material with anti-oil and anti-static effect as claimed in claim 5, wherein the anti-static agent can be an anionic anti-static agent, a cationic anti-static agent, a non-ionic anti-static agent or an amphoteric anti-static agent Any one or a combination of any kind of antistatic agent, and anionic antistatic agent includes sodium alkyl sulfonate, phosphate ester, phosphate; cationic antistatic agent includes ammonium salt, quaternary ammonium salt, alkyl imidazoline and alkyl Imidazoline salts; nonionic antistatic agents include polyethylene glycol esters or ethers, polyol fatty acid esters, fatty acid-ethylene oxide adducts, fatty alcohol-ethylene oxide adducts, alkyl Phenol-ethylene oxide adduct; amphoteric antistatic agents include alkyl dihydroxyethyl ammonium betaine, N-alkylamino acid salt. The TPU foam shoe material with oil resistance and antistatic effect according to claim 5, wherein the plurality of oil resistance materials can be CR chloroprene rubber, NBR nitrile rubber, HNBR, hydrogenated nitrile rubber, ENR epoxy Natural rubber, ACM polyacrylate rubber, AEM ethylene acrylate rubber, CSM chlorosulfonated polyethylene rubber, FKM fluorine rubber, FMVQ fluorosilicone rubber, CO epichlorohydrin rubber, PUR polyurethane rubber, TPU thermoplastic polyurethane, PVC polyvinyl chloride, CPE chlorinated polyethylene, EMA methyl acrylate elastomer, EBA ethyl acrylate elastomer, EEA butyl acrylate elastomer, EVM EVA with high VA content, or any combination of any of them. The TPU foam shoe material with oil resistance and antistatic effect as claimed in claim 1, wherein a wear-resistant material is further added into the shoe material, and the wear-resistant material can be PTFE, molybdenum disulfide , graphite, polysiloxane, glass fiber, carbon fiber or aromatic polyamide fiber any one or any combination of them.

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