JP5902415B2 - Plastic gloves - Google Patents

Description

  The present invention relates to a synthetic resin glove.

  Synthetic resin gloves such as polyvinyl chloride are widely used for the purpose of protecting hands during water work and ensuring food hygiene. The synthetic resin gloves are thick (for example, medium thick: 0.35 to 0.45 mm thick, thick: 0.45 mm or more thick) and relatively thin (for example, very thin: less than 0.2 mm thick) , Thin: 0.2 to 0.35 mm thick). As the former form, there is a multilayer structure having a surface layer and an inner surface layer. As the inner surface layer, there are a foam layer as shown in the following Patent Document 1, a pile-containing layer as shown in the following Patent Document 2, and the like. Are known.

Japanese Patent Laid-Open No. 48-100149 JP-A-6-2204

  The synthetic resin gloves having a multilayer structure as described above and the synthetic resin gloves having a certain thickness (0.35 mm or more) even with a single layer have the strength to withstand repeated use, but have an elastic resistance. It becomes relatively large. Therefore, when the length of the finger part of the glove is shorter than the length of the user's finger, wearing the glove and trying to spread the finger crotch gives a great resistance and good workability is obtained. An unforeseen problem arises. On the other hand, if the length of the finger part of the glove is made longer than that of the user's finger, a gap is generated in the fingertip during wearing, and the fingertip sensation cannot be obtained sensitively. This causes a problem that the workability cannot be obtained.

  This invention makes it an example of a subject to cope with such a problem. In other words, it is possible to open the finger crotch without feeling resistance in synthetic resin gloves, to obtain good workability, to prevent the fingertip from forming a gap when worn, and to make good work by utilizing the sense of the fingertip It is an object of the present invention to be able to obtain properties.

  In order to achieve such an object, a synthetic resin glove according to the present invention has at least the following configuration.

A synthetic resin glove having a finger part into which five fingers individually enter and a main body part integrated with the finger part, and a finger part into which the middle finger enters between a finger part into which the index finger enters and a finger part into which the middle finger enters Between the finger part into which the ring finger enters, each finger crotch part between the finger part into which the ring finger enters and the finger part into which the little finger enters , the finger part and the main body part include a surface layer and an inner surface layer, The inner surface layer is a foam layer, and the raised portion is formed by a portion obtained by partially thickening the foam layer.

  The synthetic resin glove according to the embodiment of the present invention includes a finger part into which the index finger is inserted and a finger part into which the middle finger is inserted, a finger part into which the middle finger is inserted and a finger part into which the ring finger is inserted, and a finger part and a little finger into which the ring finger is inserted. Since each finger crotch between the entering fingers is provided with a raised portion protruding in one or both of the inside and outside, the length of the finger of the glove is shorter than the length of the user's finger. However, when a glove is attached, the raised portion acts on the finger crotch so as to push and spread the finger crotch. As a result, fingers can be spread easily, and good workability can be obtained. In addition, since the length of the finger portion can be made relatively short, it is possible to prevent a gap from being generated in the fingertip when being attached, and the workability of work using the fingertip can be improved.

It is explanatory drawing which showed the whole synthetic resin glove which concerns on one Embodiment of this invention, and the partial cross section. It is explanatory drawing which showed the state which turned over the synthetic resin gloves which concern on embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory view showing the whole and a partial cross section of a synthetic resin glove according to an embodiment of the present invention. The synthetic resin glove 1 according to the embodiment of the present invention includes a finger part 11 into which five fingers individually enter and a main body part 10 integrated with the finger part 11. The synthetic resin glove 1 has a finger part 11C and a little finger into which the ring finger enters, between a finger part 11A into which the index finger enters and a finger part 11B into which the middle finger enters, between a finger part 11B into which the middle finger enters and a finger part 11C into which the ring finger enters. Each finger crotch portion between the finger portions 11D into which is inserted is provided with a raised portion 2 protruding in one or both of the inside and the outside.

  The synthetic resin glove 1 may have a single layer structure, but in the illustrated example, the finger portion 11 and the main body portion 10 have a multilayer structure including a surface layer 1A and an inner surface layer 1B. Although the illustrated example has a two-layer structure, the present invention is not limited to this and may have a multilayer structure of three or more layers. As an example, the inner surface layer 1B is a foamed layer obtained by heating and foaming a synthetic resin agent containing a foaming agent. In this case, the raised portion 2 can be formed by partially thickening the foam layer.

  According to the synthetic resin glove 1 having such a feature, the protuberance 2 is provided in the finger crotch portion, and when the glove is attached, the protuberance 2 acts to spread the finger crotch through the finger crotch. . As a result, the fingers can be spread easily, and the workability when working with the fingers opened is improved. When the gap between the fingers is closed, the bulge 2 is compressed, and thus a feeling of resistance occurs. However, the work with the synthetic resin glove 1 is mostly performed by spreading the fingers, and the In this way, good workability can be obtained in most work.

  Drawing 2 is an explanatory view showing the state where the synthetic resin glove concerning the embodiment of the present invention was turned upside down. In this example, the entire inner surface side of the synthetic resin glove is an inner surface layer 1B made of a foam layer. A portion 2 </ b> A in which the foamed layer is partially thick is formed in the finger crotch portion between the finger portions 11. The raised portion 2 can be formed on the surface side because the portion 2A where the foam layer is partially thick is located on the inner surface side. When the portion 2A in which the foamed layer is partially thick is present, this portion 2A hits the user's finger crotch, so that a soft pressing feeling is obtained on the user's finger crotch and the feeling of use is improved. Can be improved. Moreover, since the raised portion 2 formed by the foamed layer has appropriate elasticity, it is possible to enhance the action of spreading the finger crotch.

  Below, the manufacturing method of the synthetic resin gloves 1 which concern on embodiment of this invention is demonstrated. Here, although the manufacturing method of the synthetic resin gloves 1 having the two-layer structure of the surface layer 1A and the inner surface layer 1B shown in FIG. 1 will be described, the step of forming the surface layer 1A and the step of forming the inner surface layer 1B A synthetic resin glove having a multilayer structure of three or more layers can be obtained by adding a step of forming another layer therebetween.

  In the first step, the glove making mold is immersed in the first synthetic resin paste, and the first film is attached to the surface of the glove making mold and cured. The first synthetic resin paste is obtained by blending various commonly used additives such as a plasticizer, a stabilizer, a gelling agent, and a pigment with a resin such as polyvinyl chloride. A glove manufacturing mold formed in a hand shape with ceramics or metal is heated to a predetermined temperature, and this glove manufacturing mold is immersed in the first synthetic resin paste one or more times, and the first synthetic resin is formed on the surface of the glove manufacturing mold. A first film made of paste is applied, and then the glove making mold is pulled up from the first synthetic resin paste and cooled after semi-curing. As a result, a cured first film having a thickness of about 0.1 to 0.3 mm is formed on the surface of the glove manufacturing mold. This first coating corresponds to the surface layer 1A.

  In the second step, the second coating film is formed on the first coating film by immersing the glove manufacturing mold in which the first coating film is formed in the second synthetic resin paste containing the foaming agent. The second synthetic resin paste is obtained by blending various commonly used additives such as plasticizers, stabilizers, gelling agents and the like with a resin such as polyvinyl chloride and further adding a foaming agent. The glove manufacturing mold on which the first film is formed is heated to a predetermined temperature, the glove manufacturing mold is immersed in the second synthetic resin paste one or more times, and the second synthetic resin is formed on the first film. A second film of paste is applied. The amount of the second coating is the same as or slightly lighter than that of the first coating. This second coating corresponds to the inner surface layer 1B.

  In the subsequent step, the first film and the second film formed on the glove manufacturing mold are heated to foam the second film. The thickness of the second coating after foaming is about 0.2 to 1.5 mm, although it varies depending on the amount of adhesion. Then, the first film and the second film are sufficiently heated and melted, and the molded product obtained from the first film and the second film is turned upside down and peeled off from the glove manufacturing mold. In this way, a synthetic resin glove 1 is obtained.

  And in a 2nd process, in order to form the protruding part 2 mentioned above, the 2nd synthetic resin paste pool is formed in the finger crotch of a glove manufacturing type | mold. In order to form an appropriate amount of reservoir, the thixotropy value (TV value) of the second synthetic resin paste is adjusted. By setting the TV value to 2.0 to 4.0, an appropriate pool can be formed on the glove manufacturing type finger crotch.

The thixotropy value (TV value) in the present invention is measured using a Brookfield viscometer (BM type viscometer) when measured at a rotation speed of 6 rpm at 40 ° C. and at a rotation speed of 60 rpm at 40 ° C. It is a ratio with the viscosity (cP). That is, it is expressed by the following formula.
TV value = [viscosity at 6 rpm (cP)] / [viscosity at 60 rpm (cP)]

  By setting the TV value of the second synthetic resin paste to 2.0 to 4.0, an appropriate pool can be formed on the finger manufacturing crotch. Examples of formulations that can appropriately set the TV value are shown below.

  As the resin, a polyvinyl chloride paste resin that can be dipped is used. A polymerization degree of 800 to 2500 is preferably used. Since the degree of polymerization affects the foaming temperature, a foamed layer having a degree of polymerization of 1000 to 2000 is particularly preferably used.

  Examples of the plasticizer include di-n-octyl phthalate, di-2-ethylhexyl phthalate, dibutyl phthalate, diisononyl phthalate, butyl benzyl phthalate, dilauryl phthalate, diheptyl phthalate, dimethyl phthalate, diisodecyl phthalate, dioctyl phthalate, and dicyclohexyl phthalate. Adipic acid type such as phthalic acid type, dioctyl adipate, diisodecyl adipate, diisononyl adipate, azelaic acid type such as di-i-butyl azelate, di-n-hexyl azelate, di-i-octyl azelate, dibenzoic acid Benzoic acid type such as diethylene glycol, lauric acid type such as butyl laurate, ethylene glycol monoethyl ether laurate, pentapentyl such as pentaerythritol tetraacetate Sulfones such as lysitol, silinol such as methyl acetylsilinolate, sebacic acid such as dimethyl sebacate, citric acid such as acetyltributyl citrate, glycerin ester such as glyceryl monolauryl diacetate, alkyl sulfonate phenyl ester, etc. An acid type, a polyester type, etc. are mentioned. For food contact applications, those other than phthalic acid are used, and for oily food applications, polyester is preferably used. The plasticizer used for this invention is a thing used in order to give a softness | flexibility to a molded article, Although there is no restriction | limiting in addition amount, 70-130 mass parts is preferable. Since the plasticizer has transferability, it is preferable that the first synthetic resin paste and the second synthetic resin paste be the same plasticizer.

  As the stabilizer, a fatty acid metal salt such as a mixture of a fatty acid calcium salt and a fatty acid zinc salt is used. The amount of addition is 0.05 to 2 parts by weight with respect to 100 parts by weight of polyvinyl chloride, and if it is less than 0.05 parts by weight, deterioration prevention during foaming is insufficient, and if it exceeds 2 parts by weight, This will adversely affect the surface condition of the product. Further, other stabilizers such as epoxy stabilizers such as epoxidized soybean oil and epoxidized linseed oil may be used. Further, trisnonylphenyl phosphite, triphenyl phosphite, diphenyldecyl phosphite, tridecyl phosphite, tris (2-ethylhexyl) phosphite, tristearyl phosphite, octyl diphenyl phosphite phosphite compounds, etc. as stabilizers You may use and the preferable addition amount with the whole stabilizer is 1-6 mass parts.

  As the stabilizer, the first synthetic resin paste and the second synthetic resin paste are integrally heated and foamed, so the first synthetic resin paste and the second synthetic resin paste are usually the same, but differ depending on necessity. It may be.

  As the foaming agent, azodicarboxylic acid amide (ADCA), azobisisobutylnitrile (AIBN), p, p'-oxybisbenzenesulfonylhydrazide (OBSH), dinitrosopentamethylenetetramine (DPT), sodium bicarbonate, or the like is used. The preferable addition amount of a foaming agent is 1-3 mass parts.

  By combining the softening temperature and the foaming temperature of the blend with the foaming accelerator and the foaming inhibitor, a dense and high-magnification foamed state can be obtained. In the examples, zinc contained in the stabilizer becomes a foaming accelerator for ADCA, which is an appropriate condition.

  As the gelling agent, fine powders such as calcium silicate and fumed silica (silica aerosil, etc.) are used. The preferable addition amount of the gelling agent is 1 to 6 parts by mass.

  Diluents include solvents such as 2,2,4-trimethyl 1,3-pentadiol diisobutyrate (TXIB), mineral spirits, and styrene. A preferable addition amount of the diluent is 5 to 60 parts by mass.

  The colorant is used without any particular limitation, such as inorganic pigments and organic pigments. In addition, an antibacterial agent, a lubricity imparting agent composed of fine particles, and the like are blended as necessary. In addition, chlorination treatment, acrylic coating, etc. are performed as necessary.

  According to the present invention, the second coating layer having an appropriate thickness is provided on the finger crotch with an appropriate TV value, and the effect of the foam layer that is the outer side being narrowed on the inner side due to the inversion is increased by the foaming. Thus, the amplified effect and the amplified effect by reversing after foaming led to the result that the finger crotch has a significant bulge without any special process.

  Examples are shown below. The formulation examples of the first synthetic resin paste are as shown in Table 1, and the formulation examples of the second synthetic resin paste are as shown in Table 2. In order to obtain a synthetic resin glove compliant with the Food Sanitation Law, a non-phthalate plasticizer is used as a plasticizer for the first and second synthetic resin pastes. Examples of non-phthalate ester plasticizers include adipic acid such as dioctyl adipate, diisodecyl adipate, diisononyl adipate, azelain such as di-i-butyl azelate, di-n-hexyl azelate, di-i-octyl azelate Acids, benzoic acid such as diethylene glycol dibenzoate, lauric acid such as butyl laurate, ethylene glycol monoethyl ether laurate, pentaerythritol such as pentaerythritol tetraacetate, silinol such as methyl acetylsilinoleate, Sebacic acid type such as dimethyl sebacate, citric acid type such as acetyltributyl citrate, glycerin ester such as glyceryl monolauryl diacetate, sulfonic acid type such as alkyl sulfonic acid phenyl ester, polyester System, and the like.

  According to this embodiment, as shown in FIG. 2, a portion 2A in which the foam layer is partially thickened is formed at the finger crotch portion. As an example, the size of the portion 2A is a product shape after foaming in which the width is 3 to 8 × 10 to 40 mm in the vertical direction and the height is 1 to 5 mm.

  The synthetic resin glove according to the embodiment or the example of the present invention described above can easily open the finger by the raised portion 2 formed on the finger crotch portion by the foam layer, and can obtain good workability. it can. In addition, since the portion 2A obtained by partially thickening the foam layer having appropriate elasticity and softness hits the user's crotch, a good feeling of use can be obtained. Further, the presence of the portion 2A in which the foam layer is partially thickened can eliminate the uncomfortable feeling that the inner surface layer 1B is in close contact with the user's finger crotch.

1: synthetic resin gloves, 1A: surface layer, 1B: inner surface layer, 2: raised portion,
10: Body part, 11: Finger part

Claims (3)

A synthetic resin glove having a finger part into which five fingers individually enter and a body part integrated with the finger part,
Bumps on each finger crotch between the finger part where the index finger enters and the finger part where the middle finger enters, between the finger part where the middle finger enters and the finger part where the ring finger enters, and between the finger part where the ring finger enters and the finger part where the little finger enters equipped with a,
The finger portion and the main body portion include a surface layer and an inner surface layer,
The synthetic resin glove characterized in that the inner surface layer is a foam layer, and the raised portion is formed by a portion obtained by partially thickening the foam layer . The surface layer, the synthetic resin glove according to claim 1, characterized in that a layer containing a non-phthalic acid ester plasticizer and a polyvinyl chloride. It is a manufacturing method of the synthetic resin gloves according to claim 1,
A step of immersing the glove making mold in the first synthetic resin paste, attaching the first coating to the surface of the glove making mold and curing the first synthetic resin paste; and the second synthetic resin paste containing the foaming agent. A step of immersing the glove manufacturing mold with the coating formed thereon to form a second coating on the first coating; and heating the first coating and the second coating formed on the glove manufacturing mold The step of foaming the second coating, and the step of reversing the molded product obtained from the first coating and the second coating and peeling the molded product from the glove mold,
In the step of forming the second coating, the second synthetic resin paste pool is formed on a finger manufacturing type finger crotch, and the raised portion is formed by foaming the pool. Manufacturing method of resin gloves.

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