JP2018111893A - Non-slip glove and method for manufacturing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a non-slip glove with sufficient slip resistance and high flexibility and also suitable for fine work, and a method for manufacturing the same.SOLUTION: Provided is a non-slip glove 10, being a cut resistant glove, obtained by spraying a latex liquid and a liquid coagulating agent alternately by a spray to an external surface of a fiber glove base and then performing heat treatment, in which a granular rubber hardened body formed in a particle diameter 10-500 μm is formed on the external surface of the fiber glove base in the amount of 0.1-5.0 g per 10 cm2 surface area of the fiber glove base. Also, provided is a method for manufacturing the non-slip glove in which the latex liquid and the liquid coagulating agent are alternately sprayed by the spray to the external surface of the fiber glove base.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an anti-slip glove and a method for producing the same, and more particularly to an anti-slip glove having an extremely small granular rubber cured body formed on the surface and having excellent anti-slip properties and flexibility and a method for producing the same.

2. Description of the Related Art Conventionally, in order to improve the non-slip property of a glove, a glove having an uneven surface made of rubber or resin is known.
For example, non-slip protrusions made of a first elastic material are adhered and formed on substantially the entire surface of the palm portion excluding the back of the glove body, and a coating made of a second elastic material is applied to the substantially entire surface of the palm portion. A work glove is disclosed in which a film surface is integrally formed so that the anti-slip protrusion protrudes (see Patent Document 1). In addition, after adhering powder particles that dissolve in a solution that does not dissolve the solidified resin composition to the surface of the unsolidified liquid resin composition that becomes the surface of the product, the liquid resin composition is solidified and then powdered. There has been disclosed a glove having an uneven surface formed of a resin composition by dissolving and removing granules (see, for example, Patent Document 2). In addition, a glove in which a chemical foaming agent or mechanically foamed rubber or resin is coated on a fibrous glove has been proposed (for example, Patent Document 3).

JP 2000-328328 A Japanese Patent No. 2639415 JP 2000-96322 A

However, since the gloves of Patent Documents 1 and 2 have large diameters of protrusions and recesses provided on the surface and a small number of protrusions and recesses per unit area on the surface of the glove, the anti-slip effect is not sufficient.
Moreover, although the glove of patent document 3 is excellent in non-slip property, since the glove is hardened after being immersed in the latex liquid, the glove surface is covered with a continuous non-slip layer, and the latex liquid is a fiber. Since it penetrates into gloves and hardens inside, it has poor flexibility and is not suitable for use in fine work.
On the other hand, cut-resistant gloves have been provided for the purpose of protecting hands when working with sharp objects such as glass and blades. A fiber using a high-strength stretched polyethylene fiber as a fiber used in this cut-resistant glove is particularly slippery and has a high possibility of causing an accident in an operation using a knife or a cutter. However, when the anti-slip layer is formed of rubber or resin, the flexibility is extremely inferior, and it is difficult to achieve both workability and anti-slip properties. Particularly in cut-resistant gloves for children, the tendency was remarkable because the surface area was small and the fingers were short.

  Accordingly, there has been a demand for the development of gloves that have sufficient slipperiness and high flexibility and are suitable for fine work.

  The glove of the present invention that has solved the above problems is characterized in that a granular rubber cured body having a particle size of 10 μm to 500 μm is formed on the outer surface of a fiber glove base.

  The present invention also provides a method for producing a non-slip glove, characterized in that latex liquid and coagulant liquid are alternately sprayed on the outer surface of a fiber glove base by spraying.

Furthermore, the present invention provides the following steps (1) to (4);
(1) A process of fitting fiber gloves into a hand mold,
(2) A step of spraying a coagulant liquid and a latex liquid alternately on the outer surface of the fiber glove multiple times by spraying,
(3) a step of heating and drying a fiber glove sprayed with a coagulant liquid and a latex liquid;
(4) Provided is a method for producing a non-slip glove including a step of removing a heat-dried fiber glove from a hand mold.

  The anti-slip glove of the present invention has sufficient anti-slip properties and is excellent in flexibility, so that it can be safely and efficiently performed even in fine work. In particular, even when cut-resistant fibers are used as fiber gloves and they are further downsized, they can provide sufficient slip resistance without sacrificing flexibility. It is possible to provide a glove that can be gripped and can be safely operated while protecting the hand even in contact.

It is a perspective view which shows one Embodiment of the anti-slip glove of this invention ((A) palm side, (B) back of hand side). It is a microscope picture of the surface of the non-slip glove of this invention product 1 ((A) 20 times, (B) 200 times). It is a microscope picture of the surface of the non-slip glove of this invention product 2 ((A) 20 times, (B) 100 times). It is a microscope picture of the surface of the glove of comparative product 1 (200 times). It is a microscope picture of the surface of the glove of comparative product 2 (200 times). It is a microscope picture of the surface of the glove of comparative product 4 (200 times). It is a microscope picture of the surface of the glove of comparative product 5 (200 times).

  The anti-slip glove of the present invention is characterized in that a granular rubber cured body having a particle size of 10 μm to 500 μm is formed on the outer surface of a fiber glove base. The fiber glove used as the substrate is not particularly limited, and for example, a sewn type glove using a conventionally known material such as cotton can be used, but when a seamless type knitted glove is used, This is preferable because there is no seam allowance inside the glove and the feeling of use is good. Particularly, the fiber is preferably about 7 to 18 gauge, and it is particularly preferable to use 13 gauge knitted gloves.

  As the base material of the non-slip gloves, in addition to cotton, those made of synthetic fibers such as polyester, polyurethane, polyethylene, etc. can be used. Also, fibers having high cut resistance, such as high-strength stretched polyethylene fibers, aramid fibers, such as Kevlar (registered trademark), etc., which are composed of known filament yarns or spun yarns alone or composed of composite fibers with other fibers Even if it is such a fiber with high cut resistance, sufficient slip resistance can be imparted without impairing flexibility. Specific examples of high-strength stretched polyethylene fibers include Tunuga (registered trademark) and Dyneema (registered trademark), and examples of aramid fibers include Kevlar (registered trademark).

  The rubber used in the anti-slip gloves of the present invention includes natural rubber (NR), nitrile butadiene rubber (NBR), chloroprene rubber (CR), urethane resin, styrene butadiene rubber (SBR), isoprene rubber (IR), butyl rubber ( IIR). These are generally used as an aqueous dispersion latex, but can also be used in the form of a solvent-based solution or a solvent-based dispersion.

  Among the rubbers, NBR which is general purpose and inexpensive is preferable. Commercially available NBRs include Nipol (registered trademark) Lx-550 (manufactured by Zeon Corporation), PERBUNAN (registered trademark) N LATEX VT-LA (manufactured by Polymer Latex), Synthomer (registered trademark) 6810 (manufactured by Synthomer) ) Etc. can be used. These may be used alone or in combination of two or more as required.

  After spraying latex liquid and coagulant liquid alternately on the outer surface of such a fiber glove base by spraying, the fiber glove base is heated to cure granular rubber having a particle size of 10 μm to 500 μm on the outer surface. Form the body.

  As the coagulant, conventionally known coagulants can be used, and examples thereof include calcium salts and magnesium salts of acids such as hydrochloric acid, sulfuric acid and nitric acid. These coagulants are used, for example, as a coagulant solution dissolved or dispersed in water, alcohol or a mixed solution thereof. The coagulant concentration in the coagulant liquid is preferably 5 to 45% by mass, more preferably 10 to 25% by mass.

  The method of spraying the coagulant liquid and the latex liquid alternately by spraying is not particularly limited, and can be performed by a conventionally known method. For example, sprayers, aerosols, manual pump sprays, and the like can be used. The spray particle diameter by spraying is 10 to 500 μm, preferably 20 to 200 μm, more preferably 50 to 100 μm. If the particle size is outside this range, a sufficient anti-slip effect may not be obtained.

The spray amount of the coagulant liquid and the latex liquid varies depending on the spray particle diameter. For example, when the spray particle diameter is 50 to 100 μm, 1 to 6 g per 10 cm ² is preferable. For example, each liquid is sprayed about 10 to 30 times in the case of a manual trigger type pump spray so that the total spray amount falls within such a range. The coagulant liquid sprayed and the latex liquid contact on the outer surface of the fiber glove, and the rubber in the latex liquid is aggregated to promote crosslinking.

  Subsequently, the fiber glove sprayed with the coagulant liquid and the latex liquid is heated to crosslink the rubber. The heating temperature and time vary depending on the type of latex used, but may be heated at a temperature of about 60 to 120 ° C. for about 10 to 60 minutes, for example. More specifically, when natural rubber is used as the latex, the rubber can be crosslinked to form a granular cured body by heating at about 100 ° C. for about 40 minutes.

The rubber cured body thus formed is an extremely small granular material having a particle diameter of 10 μm to 500 μm, and forms an anti-slip layer having fine irregularities on the outer surface of the fiber glove. In the present invention, since the latex liquid and the coagulant liquid are alternately sprayed without impregnating the fiber glove base body into the latex liquid, the latex liquid hardly penetrates into the fiber glove, and the granular rubber cured body is outside of it. Formed on the surface. Since the amount of the cured granular rubber formed on the outer surface of the fiber glove is more excellent in flexibility and anti-slip properties, 0.1 to 5.0 g per 10 cm ² of the surface area of the textile glove is 0.1 to 5.0 g. Preferably, 0.3 to 2.0 g is more preferable.

  An embodiment of an anti-slip glove according to the present invention will be described with reference to the drawings. FIG. 1 is a view showing an embodiment of the anti-slip glove of the present invention. The base of the anti-slip glove 10 is a seamless type knitted glove. In the present embodiment, the anti-slip layer 20 is formed on the entire surface of the palm part 12, the finger part 13, and the upper part 14 except for the wrist part 11, but may be formed only on a part thereof. The anti-slip layer 20 is formed from a granular rubber cured body having a particle size of 10 μm to 500 μm. Since such fine granular materials are formed in close contact with or close to each other on the surface of the glove and constitute a fine uneven surface, the anti-slip glove 10 exhibits a very high anti-slip property. Moreover, since this granular rubber hardening body is hardly formed in the inside of a glove, favorable softness | flexibility is maintained.

A method including the following steps (1) to (4) will be described as an embodiment of the method for producing a non-slip glove of the present invention.
(1) A process of fitting fiber gloves into a hand mold,
(2) A step of spraying a coagulant solution and a latex solution alternately on the outer surface of a fiber glove fitted into a hand mold by a plurality of times by spraying,
(3) a step of heating and drying the fiber gloves sprayed with the coagulant liquid and latex liquid;
(4) Step of removing the heated and dried fiber gloves from the hand mold

  In the step (1), the fiber glove is inserted and fitted into a hand shape imitating the shape of a human hand. As the hand mold, a flat plate shape (flat type) obtained by processing a resin plate, a metal plate, or the like is preferable because the latex liquid and the coagulant liquid can be sprayed uniformly.

  In the step (2), in the step (1), the coagulant liquid and the latex liquid are alternately sprayed a plurality of times on the outer surface of the fiber glove fitted in the hand mold by spraying. When spraying the coagulant liquid and the latex liquid, it is preferable to first spray the coagulant liquid on the outer surface of the fiber glove fitted in the hand mold, then spray the latex liquid, and then spray alternately. The method for spraying the coagulant liquid and the latex liquid by spraying is not particularly limited, and can be performed by a conventionally known method. For example, sprayers, aerosols, manual pump sprays, and the like can be used. The spray particle diameter by spraying is 10 to 500 μm, preferably 20 to 200 μm, more preferably 50 to 100 μm. If the particle size is outside this range, a sufficient anti-slip effect may not be obtained.

The spray amount of the coagulant liquid and the latex liquid varies depending on the spray particle diameter. For example, when the spray particle diameter is 50 to 100 μm, 1 to 6 g per 10 cm ² is preferable. For example, each liquid is sprayed about 10 to 30 times so that the total spray amount falls within such a range. The coagulant liquid sprayed and the latex liquid contact on the outer surface of the fiber glove, and the rubber in the latex liquid is aggregated to promote crosslinking.

  Next, in the step (3), the fiber glove sprayed with the coagulant liquid and the latex liquid in the step (2) is heated and dried to crosslink and cure the rubber. The temperature and time of heat drying vary depending on the type of latex to be used and the like. For example, the heat drying may be performed with hot air at about 60 to 120 ° C. for about 10 to 60 minutes. More specifically, when natural rubber is used as the latex, the rubber can be cross-linked to form a granular cured body by heating and drying with hot air at about 100 ° C. for about 40 minutes. The above steps (2) to (3) may be repeated a plurality of times.

The rubber cured body thus formed is an extremely small granular material having a particle diameter of 10 μm to 500 μm, and forms a fine uneven surface on the outer surface of the fiber glove. In the present invention, since the latex liquid and the coagulant liquid are alternately sprayed without impregnating the fiber glove base body into the latex liquid, the latex liquid hardly penetrates into the fiber glove, and the granular rubber cured body is outside of it. Formed on the surface. Since the amount of the cured granular rubber formed on the outer surface of the fiber glove is more excellent in flexibility and anti-slip properties, 0.1 to 5.0 g per 10 cm ² of the surface area of the textile glove is 0.1 to 5.0 g. Preferably, 0.3 to 2.0 is more preferable.

  In the step (4), after the heated and dried fiber glove is cooled as necessary, the anti-slip glove of the present invention is obtained by removing it from the hand mold.

  EXAMPLES Next, although an Example etc. are given and this invention is demonstrated in more detail, this invention is not restrict | limited at all by these Examples.

Example 1
Non-slip gloves were manufactured by the following method. That is, first, a 13 gauge knitted glove is attached to a flat metal mold adjusted to 20 ° C. to 50 ° C. so as not to be wrinkled. A commercial 300 ml trigger spray container (sprayed particle size 50 μm to 100 μm: discharge amount 0.8 g per stroke) is applied to the knitted glove with a natural rubber latex liquid having the composition shown in Table 1 below and a coagulant liquid having the composition shown in Table 2 respectively. And sprayed 20 times alternately for each stroke on the front side and back side of the hand mold. The coagulant solution was sprayed first, then the natural rubber latex solution was sprayed, and then sprayed alternately. Thereafter, this glove was heated with hot air of about 100 ° C. for 40 minutes, cooled, and then removed from the hand mold to produce a natural rubber non-slip glove of the product 1 of the present invention. A micrograph of the surface is shown in FIG.

Example 2
NBR anti-slip gloves were manufactured by the following method. That is, first, 13 gauge cut-resistant gloves (high-strength stretched polyethylene fiber: gloves knitted with Tunuga (Toyobo)) are not wrinkled on a flat metal mold having a temperature of about 20 ° C. to 50 ° C. Installing. In this cut-resistant glove, NBR latex having the composition shown in Table 3 below and a coagulant having the composition shown in Table 4 are respectively put in a commercially available trigger spray container (spray particle size 50 μm to 100 μm: discharge amount 0.8 g per stroke). Each surface was sprayed with 20 strokes alternately on the front side and back side. The NBR latex liquid was sprayed after spraying the coagulant liquid first, and then sprayed alternately. Then, this glove was dried with hot air of about 100 ° C. for 40 minutes, cooled, and then removed from the hand mold to prepare NBR anti-slip gloves of Product 2 of the present invention. A micrograph of the surface is shown in FIG.

Comparative product 1
Non-slip gloves were manufactured by the following method. That is, first, a 13 gauge knitted glove is attached to a flat metal mold having a temperature of about 20 ° C. to 50 ° C. so as not to be wrinkled. The knitted gloves were dipped in the coagulant solution shown in Table 2 and then pulled up and dried at 100 ° C. for 5 minutes. Then, after immersing in natural rubber latex having the composition shown in Table 1 for 1 minute, drying at 100 ° C. for 1 minute, immersing in hot water at 60 ° C. for 17 minutes, crosslinking at 100 ° C. for 40 minutes, cooling, and then from the hand mold The natural rubber non-slip gloves of comparative product 1 were prepared by removing. A micrograph of the surface is shown in FIG.

Comparison product 2
Non-slip gloves were manufactured by the following method. That is, first, a 13 gauge knitted glove is attached to a flat metal mold having a temperature of about 20 ° C. to 50 ° C. so as not to be wrinkled. In this knitted glove, natural rubber latex having the composition shown in Table 1 above is placed in a commercially available 300 ml trigger spray container (spray particle size 50 μm to 100 μm: discharge amount 0.8 g per stroke). Stroke sprayed.
Thereafter, the glove was dried with hot air at about 100 ° C. for 40 minutes, cooled, and then removed from the hand mold to prepare a comparative rubber 1 non-slip glove made of natural rubber. A micrograph of the surface is shown in FIG.

Comparison product 3
As comparative product 3, only 13 gauge knitted gloves were used.

Comparative product 4
Non-slip gloves were manufactured by the following method. That is, first, a 13 gauge knitted glove is attached to a flat metal mold having a temperature of about 20 ° C. to 50 ° C. so as not to be wrinkled. The knitted gloves were dipped in the coagulant solution shown in Table 4 and then pulled up and dried at 100 ° C. for 5 minutes. After that, it was immersed in NBR latex having the composition shown in Table 3 for 1 minute, then dried at 100 ° C. for 1 minute and immersed in hot water at 60 ° C. for 17 minutes, and then crosslinked and cooled at 100 ° C. for 10 minutes and 120 ° C. for 30 minutes. Later, it was removed from the hand mold, and an NBR5 rubber non-slip glove of comparative product 2 was prepared. A micrograph of the surface is shown in FIG.

Comparison product 5
Non-slip gloves were manufactured by the following method. That is, first, a 13 gauge knitted glove is attached to a flat metal mold having a temperature of about 20 ° C. to 50 ° C. so as not to be wrinkled. In this knitted glove, NBR latex having the composition shown in Table 3 above is placed in a commercially available 300 ml trigger spray container (spray particle size 50 μm to 100 μm: discharge amount 0.8 g per stroke), and 20 strokes on the front and back sides of the hand mold. Sprayed.
Thereafter, the gloves were dried with hot air at about 100 ° C. for 40 minutes, cooled, and then removed from the hand mold to prepare a comparative NBR anti-slip glove made of NBR. A micrograph of the surface is shown in FIG.

Test Example 1
A non-slip property test and a flexibility test were performed by the following methods using the inventive products 1 and 2 and the comparative products 1 to 5.

(Slip resistance test method)
A corrugated cardboard having an outer dimension of 500 mm (width) x 300 mm (depth) x 250 mm (height) adjusted to a weight of 6 kg is prepared.
Test 1: Wear comparative product 1 on the right hand and wear product 1 of the present invention on the left hand. The sides of the corrugated cardboard of 500 mm × 250 mm were held with their hands so that the cardboard was sandwiched, and the degree of sliding was compared. The evaluation results were based on the comparative product 1, with 1 point for “no slip”, 0 for “no change”, and −1 for “slide”, and the evaluation was performed by 3 subjects. After that, comparative products 2 and 3 were attached to the left hand, comparative evaluation was performed, an average score was calculated, and the third decimal place was calculated and compared.
Test 2: In the same test method as in Test 1, the comparative product 4 was mounted on the right hand as an evaluation standard, and the present product 2 and comparative products 3 and 5 were mounted on the left hand, and the same evaluation was performed. The results are shown in Table 5.

(Flexibility test method)
In accordance with the tests 1 and 2 of the anti-slip test method, a comparative evaluation was also conducted on the flexibility. Test 1 is based on Comparative Product 1 and Test 2 is based on Comparative Product 4 2 points for “soft”, 1 point for “slightly soft”, 0 point for “no change”, “slightly hard” -1 points, and for "hard", -2 points were averaged, and the third decimal place was rounded off. The results are shown in Table 6.

From the above results, the product 1 of the present invention was superior to the comparative product 1 in terms of anti-slip properties and flexibility. On the other hand, the comparative product 2 was superior in flexibility as compared with the comparative product 1, but was not satisfactory in terms of anti-slip properties. Further, the comparative product 3 was superior in flexibility to the comparative product 1, but was inferior in slip resistance. From the above results, it was found that the product 1 of the present invention is an excellent glove having flexibility and anti-slip properties as compared with any of the comparative products 1, 2, and 3.
The product 2 of the present invention was superior to the comparative product 4 in terms of anti-slip properties and flexibility. On the other hand, the comparative product 3 and the comparative product 5 were superior in flexibility to the comparative product 4 but were inferior in anti-slip property. From the above results, it was found that the product 2 of the present invention is a glove having more excellent flexibility and anti-slip properties than any of the comparative products 3, 4 and 5.

10 ... ... Non-slip gloves 11 ... ... Wrist 12 ... ... Palm 13 ... ... Finger 14 ... ... Back 20 ... ... Non-slip layer

Claims (8)

  A non-slip glove characterized in that a granular rubber cured body having a particle size of 10 μm to 500 μm is formed on the outer surface of a fiber glove base. The anti-slip glove according to claim 1, wherein the granular rubber cured body is formed in an amount of 0.1 to 5.0 g per 10 cm ² of the surface area of the fiber glove base.   The anti-slip glove according to claim 1 or 2, which is a cut-resistant glove.   An anti-slip glove obtained by spraying latex liquid and coagulant liquid alternately on the outer surface of a fiber glove base by spraying, followed by heat treatment.   A method for producing a non-slip glove, characterized in that a latex liquid and a coagulant liquid are alternately sprayed on the outer surface of a fiber glove base by spraying. Next steps (1) to (4);
(1) A process of fitting fiber gloves into a hand mold,
(2) A step of spraying a coagulant liquid and a latex liquid alternately on the outer surface of a fiber glove fitted in a hand mold a plurality of times by spraying,
(3) a step of heating and drying the fiber gloves sprayed with the coagulant liquid and latex liquid;
(4) A method for producing a non-slip glove comprising a step of extracting a heated and dried fiber glove from a hand mold.   The method for producing a non-slip glove according to claim 6, wherein the hand mold is a flat plate mold. The method for producing anti-slip gloves according to claim 6 or 7, wherein the fiber gloves are cut-resistant gloves.