JP2005076153A - Method for producing non-slip processed glove - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for producing non-slip processed gloves enhancing a non-slip function by forming fine unevenness, exhibiting high non-slip effect, compared with conventional gloves also in operation in which a liquid such as water or oils intervenes, having softness, being easy to use and capable of sufficiently corresponding to conventional production facilities. <P>SOLUTION: The method for producing the non-slip processed gloves comprises applying vinyl chloride sol in which a foaming agent is formulated to the surface of a glove base material made of polyvinyl chloride and having underlining, foaming the vinyl chloride sol by heating to apply non-slip processing to the surface of the glove base material. In the production method, the foaming agent formulated therein is a microcapsule type foaming agent and the foaming agent is formulated in an amount of 1.0-10.0 pts. wt. and a plasticizer is formulated in an amount of >160 pts.wt. and ≤200 pts.wt. based on vinyl chloride resin in the formulation composition of the vinyl chloride sol. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention has a non-slip function on the surface of a vinyl chloride glove base material with a backing cloth, particularly on the surface of a coating hand related to the vinyl chloride glove base material with a backing cloth, which leads to improvement of grip performance and safety of workers. The present invention relates to a method for manufacturing a non-slip processed glove to be applied.

  As is well known, a vinyl chloride working glove with a backing cloth is produced by a pressureless flow coating method of vinyl chloride paste. Some products are put on the market as they are, but since the surface is smooth and grip performance is poor, the top coating is applied with a vinyl chloride paste with coarse vinyl resin added to the surface before the final melting process. It is often put on the market as a non-slip processed glove with unevenness made of resin particles. Various anti-slip gloves have been proposed so far (see, for example, Patent Documents 1 to 5).

Japanese Patent Publication No. 47-31102 (prior art 1) JP 61-275406 A (prior art 2) Japanese Utility Model Publication No. 47-24100 (Prior Art 3) JP-A-5-51804 (Prior Art 4) JP 2001-131813 A (Prior Art 5)

In recent years, many of the non-slip processing of vinyl chloride working gloves with a backing cloth found in the market is a processing method based on the method shown in the prior art 1. However, when this method is actually carried out, it is difficult to obtain sufficient surface irregularities because the coarse vinyl resin is buried in the paste layer serving as a binder if it is a normal plastisol-type paste. . In order to avoid this problem, it is necessary to add a large amount of secondary plasticizer, and hydrocarbons with relatively low boiling points such as industrial gasoline, mineral spirits, and alkyltoluene are used as the secondary plasticizer. ing. Such secondary plasticizers are transpired into the atmosphere in the final melting step and hardly remain in the product. Therefore, it can be said that suppressing the use of secondary plasticizers is a problem in which effective utilization of petrochemical resources is strongly desired from the viewpoint of environmental pollution countermeasures.
As a method other than the prior art 1, a production method using a foaming technique is also considered. In the prior art 2, a network-like structure is formed by using a mechanically foamed sol for coating and breaking the foam. A manufacturing method is disclosed. However, the prior art 2 has a problem in that liquids such as water and oil easily pass through since the bubble breakage almost completely proceeds until reaching the base fabric. Prior art 2 requires a large amount of secondary plasticizer and diluent to be blended in order to foam mechanically, and coating on a material such as cotton cloth that can quickly absorb the secondary plasticizer and diluent. However, there is a problem that the foamed coating liquid cannot be retained on the film of the vinyl chloride glove that is smooth and does not allow liquid to pass through, and cannot be applied to anti-slip processing by top coating.
Although the prior art 3 shows a dotted or linear process, this technique is expected to have an anti-slip effect due to the unevenness generated by foam breakage or foaming on the surface only by increasing the volume of the coating portion. Absent.
According to the prior art 4 of the present applicant, it is possible to reversely transfer the mesh of the basic fabric and impart large irregularities to the film of the glove by foaming, and to improve the grip performance due to deformation in the thickness direction and pressure bonding. However, according to the manufacturing method, the outermost bubble cell is covered with a relatively firm skin layer, and fine irregularities in a bubble-breaking state are not formed on the glove surface by individual bubbles. For this reason, it was necessary to wait until the skin layer on the surface was torn due to a certain usage history before the anti-slip effect on the wet one was exhibited. In addition, the technology of the present invention is based on the premise that a chemical foaming agent that foams by decomposition foaming is used, but such a foaming agent is used in a system in which a relatively large amount of plasticizer is blended like a vinyl chloride glove. In order to form, a certain amount of coating sol thickness is required. When top coating is performed on vinyl chloride gloves, if the coating sol thickness is reduced, the cracked gas is deposited before the fine foam cells gather and grow into stable sized bubbles during the formation of the foam layer. It diffuses from the surface and apparently no foaming occurs. On the other hand, if the thickness of the coating is increased until a uniform foamed layer can be formed, the foamed layer becomes too thick, resulting in a workable glove that is not suitable for use. For this reason, in order to make a thin and flexible working glove with this manufacturing method, all the coating on the fabric glove must be coated with a foaming agent sol as in the manufacturing method of the prior art 2. As a result, the resulting gloves were all foamed, and there was a high risk that the foam cells would be broken and the liquid would be infiltrated during work with the gloves attached.
Prior art 5 proposed by the present applicant solves such a problem, and even in a method using a chemical foaming agent, it is relatively thin and flexible on a vinyl chloride film by using both decompression and rapid release to atmospheric pressure. Disclosed is a method capable of imparting irregularities using simple foaming. Even in the generation stage of fine bubbles before the cracked gas is completely removed, a sufficiently large concave structure can be provided by decompression. In addition, the prior art 5 shows a method capable of providing a crater-like network structure on the surface and a flexible film structure by shrinkage after expansion. However, while the conventional technique 5 provides excellent anti-slip processing, the gloves are quickly taken out from the high-temperature drying furnace together with the mold and rapidly depressurized at a high temperature, making the production process complicated and mass production equipment. However, the conventional production equipment cannot cope with it, and there is a drawback that a new equipment has to be made.

  By the way, as a conventional foaming technique of vinyl chloride, a foaming body is formed by encapsulating volatile hydrocarbons in a microcapsule by producing a chemical foaming agent using azodicarbonamide or the like with a decomposition gas and expanding the capsule itself. It is widely known that the process has been used. However, these foaming technologies are used exclusively for the purpose of utilizing the volume expansion of the resin. For example, microcapsule type foaming agents are used in processing methods for expanding patterns and characters in the field of clothing, and are used for chemical embossing such as wallpaper. Used for etc. As a feature common to such applications, although the resin portion swells, the surface thereof is smooth, and fine irregularities are not formed in foam cell units that can be used for preventing slipping of gloves.

  “Microcapsule type foaming agent” is an encapsulated hydrocarbon of about 4 to 10 carbon atoms in a fine shell of about tens of microns such as polyvinylidene chloride and polyacrylonitrile. When the constituent resin reaches the softening point, the shell expands several to several tens of times by the gas pressure of the internal expansion agent. While this non-expanded microcapsule type foaming agent is commercially available as a foaming agent, polymer hollow microspheres obtained by heating and expanding this microcapsule type foaming agent alone are also commercially available as fillers and lightening materials. ing. Such polymer microspheres are known to have a large oil absorption due to a large specific area, and a large water absorption despite the fact that the component is a plastic as described above.

  As described above, the conventional technique 4 is a method of processing a vinyl chloride glove having excellent grip properties, but it does not have a foam breakage or open cell structure on the outermost surface like a glove produced by the manufacturing method shown in the conventional technique 2. The grip performance could not be fully demonstrated. In addition, the gloves produced by the manufacturing methods of the prior art 4 and the prior art 2 are inconvenient for handling a liquid such as water or oil. Although a method for solving this problem is shown in the conventional technology 5, the conventional technology 5 cannot cope with the conventional production equipment, and a new technology development such as construction of a new production equipment and an energy-saving decompression method is shown. Was needed. The processing method based on the prior art 1 is rough, has relatively little displacement in the thickness direction, and also has poor lyophilicity on the surface of the anti-slip part, so that the object is a liquid such as water or oil. In the case of a wet object, the anti-slip function often deteriorates, and a processing method that increases the anti-slip effect has been desired. Furthermore, these processing methods often require the use of large amounts of volatile components, i.e. secondary plasticizers and diluents, and most of these volatile components are evaporated into the atmosphere during processing. Therefore, there were problems in environmental problems and effective use of resources.

  The present invention solves the above-mentioned problems, improves the anti-slip function by forming fine irregularities, and also exhibits a higher anti-slip effect than conventional in work involving liquids such as water and oils, It is another object of the present invention to provide a manufacturing method of non-slip processed gloves that is flexible and easy to use, and that can be used with conventional production facilities.

In order to achieve the above object, the gist of the invention described in claim 1 is that a glove base material is coated with a vinyl chloride sol mixed with a foaming agent on the surface of a vinyl chloride glove base material with a backing and then heated and foamed. The foaming agent to be blended is a microcapsule type foaming agent, and the foaming agent is added to the vinyl chloride resin in the blending composition of the vinyl chloride sol. Is prepared in an amount of 1.0 to 10.0 parts by weight and the plasticizer is added in a range of more than 160 parts by weight and up to 200 parts by weight.
Here, “vinyl chloride sol” is a mixture of fine powder polyvinyl chloride resin with the required amount of liquid plasticizer mixed, dispersed, and adjusted to a paste-like viscous sol. Stabilizers, pigments, viscosity modifiers, antibacterial agents and the like are blended. More specifically, this fine-powder polyvinyl chloride resin is called a paste resin, and is a relatively uniform, small-particle-size powdery poly-crystalline resin produced by emulsion polymerization or microsuspension polymerization. Vinyl chloride.
The method for producing a non-slip processed glove according to claim 2 is the method according to claim 1, wherein the foaming agent is blended on the surface of a vinyl chloride glove base material with a backing cloth whose surface layer is processed with a non-penetrating vinyl chloride paste. After applying the vinyl chloride sol, heating and foaming are performed, and the surface of the glove base material is subjected to anti-slip processing. That is, the surface layer of the glove base material is a soft vinyl chloride resin film formed by coating a non-penetrable vinyl chloride paste and thermoforming it.
Here, the “non-penetrating type vinyl chloride paste” means that the polyvinyl chloride resin used as a raw material in the vinyl chloride sol is a group of polyvinyl chlorides called special non-penetrating type paste resins among paste resins. When an emulsion polymerization method or a microsuspension polymerization method is used in the synthesis of polyvinyl chloride, several percent of the surfactant is used in the reaction solution, and this surfactant remains in the vinyl chloride resin after polymerization. The impervious paste resin is obtained by removing or inactivating the remaining surfactant by some method. Originally, “non-penetrating vinyl chloride paste” is a non-penetrating paste resin that is used to prepare a vinyl chloride sol with an appropriate viscosity, and when coated on a fabric product, most of the vinyl chloride sol is inside or on the back of the fabric. It is called this because a vinyl chloride film can be formed on the cloth without intrusion. On the other hand, a vinyl chloride paste using a normal paste resin with the surfactant remaining is made of cloth. When coated on the product, the penetration proceeds rapidly into the cloth or fiber, and an impregnated vinyl chloride film is formed. However, the reason for using the “non-permeable type vinyl chloride paste” in the present invention is not related to the non-permeable type, but includes the low leveling property of the vinyl chloride sol made from the non-permeable type paste resin and the surfactant. There is no point. Therefore, the “non-penetrating type vinyl chloride paste” in claim 2 is defined as including all vinyl chloride sols prepared using only the non-penetrating type paste resin, depending on its viscosity and non-penetrability to fabric products. It shall not be specified.
The method for producing a non-slip processed glove as claimed in claim 3 is characterized in that, in claim 2, the average degree of polymerization of the vinyl chloride paste resin in the vinyl chloride sol blended with the foaming agent is in the range of 2000 to 4000. And
According to a fourth aspect of the present invention, there is provided a non-slip processed glove manufacturing method according to the second aspect, wherein the vinyl chloride sol blended with a foaming agent is a paste prepared using a non-penetrating vinyl chloride paste resin. .

As in the first aspect of the invention, the foaming agent to be blended in the top coating liquid is a microcapsule type foaming agent, blended in an amount of 1.0 to 10.0 parts by weight with respect to the vinyl chloride resin, and blended in the top coating liquid. When the blending ratio of the plasticizer is blended in the range of more than 160 parts by weight and up to 200 parts by weight with respect to the vinyl chloride resin, a processed glove that forms fine irregularities and enhances the anti-slip function can be obtained. Finished with processed gloves that can handle liquids such as water and oil. Since the blending ratio of the plasticizer is blended in the range of more than 160 parts by weight and up to 200 parts by weight with respect to the vinyl chloride resin, the processed film to which anti-slip is imparted becomes flexible. A processed glove that is soft and has a high anti-slip effect on the glove base material. In addition, according to such a manufacturing method, no special equipment is required, and conventional equipment can be sufficiently used.
As in the invention of claim 2, when the surface layer of the glove base material is processed with a non-penetrating vinyl chloride paste, the smoothness of the coating surface is poor, and there is no surfactant on the base material surface. However, it is easy to form severe unevenness, and the anti-slip effect is further improved.
When the vinyl chloride sol containing the microcapsule type foaming agent is blended with a vinyl chloride paste resin having an average polymerization degree in the range of 2000 to 4000 as in the invention of claim 3, the foam layer on the glove surface is unevenly raised. However, since a mesh-like or blood vessel-like uneven pattern is formed, a double anti-slip effect can be expected.
As in the invention of claim 4, when the vinyl chloride sol blended with a foaming agent is a paste prepared using a non-penetrating vinyl chloride paste resin, formation of a mesh-like or vascular-like uneven pattern on the surface of the glove is suppressed. While the surface of the glove is smoothed, the foamed foam becomes a bubble breakage or a hemispherical uneven surface, and a beautiful appearance is obtained. The anti-slip effect different from that of the invention of claim 3 can be expected due to the broken bubble or the hemispherical uneven surface.

  When coating on the surface of a vinyl chloride glove base material with a backing, we focused on a microcapsule type foaming agent that can be easily foamed even with a thin coating film, and as a result of extensive research, the surface was smooth under conventional processing conditions. In the case where only the foamed coating layer with the foamed part rising is obtained, the amount of the primary plasticizer in the coating solution is blended within the range of more than 160 parts by weight to 200 parts by weight, and the coating is sufficiently thin. In this case, each microcapsule expands in a form that protrudes from the surface of the film, and forms a fine unevenness on the surface of the glove. In this case, many of the foamed shells slide down and become fine on the surface of the glove. It has been found that a crater-like broken bubble or continuous bubble structure layer is formed. In addition, these foam breaking or continuous foam structure layers are highly lyophilic foam layers such as sponges, and have characteristics suitable for preventing slipping of gloves, and vinyl chloride with a backing cloth as the foundation of foam coating. It has been found that depending on the surface characteristics of the glove base material, the expansion of individual microcapsules aggregates to form a network-like or blood vessel-like unevenness, and such a higher-order structure appears.

  Hereinafter, one form of the manufacturing method of the non-slip processed glove concerning the present invention is explained in full detail. In the manufacturing method of the non-slip processed gloves, first, a vinyl chloride glove base material with a backing cloth in which a vinyl chloride film is formed on the surface of a cloth glove such as knitting is manufactured. Next, a low-viscosity high plasticizer type vinyl chloride plastisol having a microcapsule type foaming agent added to the surface of the vinyl chloride film of the glove base material and having a plasticizer compounding amount of more than 160 parts by weight and within 200 parts by weight is applied by dipping or The top coating is very thin by the flow coating method. By melting and foaming this, an uneven non-slip processed glove having a continuous foam structure on the surface of the glove film is produced.

The “backed vinyl glove base material made of vinyl chloride”, which is a base for carrying out the anti-slip processing of the present invention, is produced, for example, as follows. First, a cloth glove is produced by sewing or knitting, and this is mounted on a hand-shaped mold to prepare for coating. From there, a non-permeable vinyl chloride paste resin (vinyl chloride resin for non-permeable paste), a sol-like coating paste obtained by kneading a plasticizer and other additives is applied without pressure by a shower method or the like. Next, after waiting for an appropriate thickness, it is ignited for several tens of seconds with a far-red gas burner or the like, and a temporary attachment operation called semi-gelation or semi-gelation is performed to produce a vinyl chloride glove base material with a backing cloth. .
Thereafter, the product is obtained by heating in a main melting furnace at an atmospheric temperature of about 160 to 200 ° C. for several minutes to several tens of minutes and melting until a uniform state is obtained.

  Here, the “non-penetrating vinyl chloride paste resin” is a fine powder of polyvinyl chloride synthesized by a method such as emulsion polymerization, and the emulsifier used in the polymerization is removed or inactivated after the polymerization reaction by any production method. It is a publicly known product that has been dried and then pulverized. The details of this method are not disclosed, and details are unknown. However, those that have been on the market for some time include ZEST HM manufactured by Shin-Daiichi Vinyl Chloride Co., Ltd. and Pevikon P737 manufactured by Hydro Polymers.

In recent years, a second vinyl chloride sol coating and semi-gelling or semi-gelling can be performed between the temporary shaping operation and the heating operation in the main melting furnace to improve the gloss and smoothness of the glove sleeve surface. It is increasing. For the second vinyl chloride sol coating, a sol using the above-mentioned non-permeable paste vinyl chloride resin may be used, but if a general paste vinyl chloride resin sol is used, smoothness and gloss will be improved. It will be a product with.
The anti-slip processing according to the anti-slip processing glove of the present invention is also performed between this temporary shaping operation and the heating operation by the main melting furnace. The anti-slip treatment is exclusively applied to the surface of the vinyl chloride coating hand part of the glove base material.

  It is known that a foamed layer can be formed on the surface of a vinyl chloride glove by adding a microcapsule type foaming agent in the second and subsequent vinyl chloride sol coating (top coating). Then, 1.0 to 10 parts by weight of a microcapsule type foaming agent is added to general soft vinyl chloride or a coating sol for gloves, and a coating liquid (top coating liquid) adjusted to an appropriate viscosity is used. After performing sol coating, a foamed layer is formed when melting and foaming are performed according to a conventional method. However, such a foamed layer has a coating portion that swells, but its surface is smooth and has a foamed structure in which a skin layer is firmly formed, which is similar to the surface of prior art 4. Therefore, a sufficient anti-slip effect cannot be obtained. Even when the surface of the foamed layer is observed with a magnifying glass, the concavo-convex structure formed by the microcapsules protruding or breaking is hardly seen. For this reason, even when a microcapsule type foaming agent is added to a general soft vinyl chloride or glove coating sol, the anti-slip effect cannot be improved so much. Here, the blending of a general soft vinyl chloride or glove coating sol refers to a sol obtained by blending and kneading 80 to 160 parts by weight of a plasticizer with a vinyl chloride resin for paste and the resin. The plasticizer is a general plasticizer used for vinyl chloride, such as dioctyl phthalate, acetyl tributyl citrate, and a polyester plasticizer, but of course is not limited thereto.

However, when the amount of the plasticizer is further increased in such a formulation, since the amount of the plasticizer exceeds 160 parts by weight relative to the vinyl chloride resin, it becomes difficult to form a skin layer, and each expanded individual The foamed layer is formed with the microcapsules projecting hemispherically on the surface. When this state is observed with a magnifying glass or the like, it can be visually recognized that the expanded microcapsule protrudes in a hemispherical shape and covers the entire surface of the glove densely. The individual microcapsules protruding in a hemispherical form are very fragile, ruptured during the foaming process, or slid off from the surface of the film while being spherical, and the surface of the glove was broken or expanded. Extremely fine irregularities are formed by mixing crater-like depressions caused by sliding microcapsules and traces of swelling foaming agent.
When the amount of the plasticizer exceeds 160 parts by weight with respect to the vinyl chloride resin, the hemispherical protrusion on the surface of the glove becomes clear when it is preferably 165 parts by weight, more preferably 175 parts by weight or more. come. The upper limit is not particularly limited, but if the amount of plasticizer is too large, the coating strength will be too low and the durability and wear resistance of the glove will be reduced. Depending on the thickness of the anti-slip layer, it is preferably 200 parts by weight or less.
On the other hand, the blending amount of the microcapsule-type foaming agent is less than 1.0, and conversely, if the blending amount of the foaming agent is increased too much, the cost of the foaming agent is too high and it is not economical. Moreover, since the quantity of a foaming agent increases too much with respect to soft vinyl chloride and intensity | strength and durability fall remarkably, the compounding quantity of a microcapsule type foaming agent has preferable 1.0-10 weight part.

  The area where the irregularities are formed can be confirmed to be in a broken bubble state or a continuous bubble state when observed with a magnifying glass or the like, but when viewed with the naked eye, it looks like a velvety or chamois leather and is smooth but moderate It has a non-slip feel. As evidence that the microcapsule has slipped, it is clearly observed that the microcapsule that has slipped is powdered and adhered to the surface of the glove.

When a few drops of tap water or white kerosene are dripped onto the surface of such a non-slip processed glove, it is quickly absorbed or diffused on the surface of the glove without linking the water or oil drops. From this, it can be confirmed that a very fine uneven structure exists on the surface of the glove.
Furthermore, in such a glove surface state, microcapsules that are not broken may remain on the surface of the glove without sliding off as hemispherical foams. The anti-slip effect is not particularly adversely affected, and since the vinyl chloride skin layer on the foam surface is extremely thin, it can be easily broken, and in practical use, the same effect as the foam-breaking portion can be expected.

The unevenness of the surface of the glove is thought to be several tens to several hundreds of microns due to the expansion performance of a single microcapsule, but it is very dense and is actually foamed by several microcapsules in the thickness direction of the film. Gives the glove an excellent anti-slip effect because the cells overlap. Further, according to the present invention, since the plasticizer exceeds 160 parts by weight in the components of the anti-slip processing layer, the processed portion to be applied is a very flexible film, and the anti-slip method according to the conventional method is used. Even when compared with gloves after processing, a flexible glove can be obtained.
The factor contributing to the anti-slip of the glove is considered to be the largest increase in the surface area due to the dense foam structure and bubble breaking structure on the glove surface, especially the increase in the surface area when using the glove. In addition, it is estimated that the contribution of the fine structure and the lyophilicity of the coating contribute to the anti-slip effect.
There is no example of actively utilizing the fact that skin layers are difficult to be formed in a system in which a large amount of plasticizer is blended in this way, and in conventional foaming technology, the skin layer is formed thick and the surface of the coating is difficult to break. In view of the focus, the manufacturing method for solving the problems according to the present invention is unique.

As described above, the cause of the expanded microcapsule type foaming agent appearing on the surface in a hemispherical shape is considered to be due to a significant decrease in viscosity at the time of melting, particularly at the time of foaming.
By the way, if the investigation of the present invention is continued, the microcapsule type foaming agent becomes hemispherical as the polymerization degree of the vinyl chloride resin (vinyl chloride paste resin in the vinyl chloride sol containing the foaming agent) increases. It has been observed that the ratio of the polymerized resin is increased, and it has been confirmed that severe irregularities are formed in the vinyl chloride resin having an average degree of polymerization of 2000 or more, particularly preferably an average degree of polymerization of 2800. The reason for this is not clear, but for example, such a high molecular weight resin has a high melting temperature, and when individual vinyl chloride particles are seen, even if the softening temperature of the foaming agent is reached, a large amount of plasticizer is absorbed and extremely low. It is presumed that it is due to a sea-island pattern in which the peripheral part under viscosity and the part of the nucleus that is not sufficiently plasticized are mixed.
There is no particular limitation on the upper limit of the average degree of polymerization of the vinyl chloride resin. However, among the vinyl chloride paste resins, the one having the highest degree of polymerization that has been confirmed by the present inventor is 2800, and there is a cross-linked vinyl chloride paste resin having a degree of polymerization of 3000. With respect to the present invention, relatively good results have been confirmed for these two resins. Moreover, since no paste resin having a polymerization degree higher than this can be found in the market, the effect of the present invention cannot be confirmed. In the future, it is considered that paste resins having an average polymerization degree of 4000 or more will not be produced. In the invention of claim 3, the upper limit of the average polymerization degree is set to 4000.
By using a vinyl chloride resin having an average polymerization degree in the range of 2000 to 4000 for the plastisol for top coating to which the microcapsule type foaming agent is added, it is possible to impart deep network-like irregularities to the foam structure on the surface of the glove.
Furthermore, when a sol using a vinyl chloride paste resin having an average degree of polymerization of 2000 or more is used, the foamed state becomes extremely uneven under specific conditions, and the aggregate of the microcapsule type foaming agent expands on the surface of the glove. It was found that a higher-order structure appears. That is, when a film coated with a non-penetrating vinyl chloride paste is used on the surface layer of a vinyl chloride glove base material with a backing cloth (i.e., the base for anti-slip processing), the foam layer on the surface of the glove is uneven. Raised and formed a more noticeable mesh or vascular uneven pattern. The non-penetrating vinyl chloride paste is used to form the surface layer of the glove base material, resulting in poor surface smoothness of the glove base material. It is considered that the expansion of the capsule gathers to further promote the formation of mesh-like or blood vessel-like irregularities.
Such irregularities due to the mesh or blood vessel shape and the irregularities due to the foamed cells have a double anti-slip effect, and further, it is possible to appeal the presence of anti-slip processing to the user strongly in terms of appearance.

  Now, another feature of the processing method according to the present invention is that anti-slip processing can be carried out without using a secondary plasticizer or diluent. Improve environmental problems by reducing the use of secondary plasticizers and diluents. When the top coating solution containing the microcapsule type foaming agent is formulated with a non-permeable type vinyl chloride paste, for example, when the microcapsule type foaming agent is formulated into a coating solution using a non-permeable type paste resin, the non-permeable type An anti-slip coating solution that can be processed is produced.

  Usually, the anti-slip process is performed on a glove that has already been coated, and it is considered that there is no advantage that the coating liquid for the anti-slip process is non-penetrating. However, when a conventional organosol anti-slip coating solution is used to dip a glove whose surface is partially exposed on the surface of a coated glove, such as a glove with a jersey or a back-thick glove, it does not slip when immersed. The processing liquid easily splashes and adheres to the cloth portion, and the resin droplet traces due to the permeation of the resin remain in the portion, and the rate of occurrence of defective products increases. This is due to the fact that the conventional anti-slip processing fluid is not only a low-viscosity vinyl chloride sol but also an organosol. Compared to the plastisol having the same viscosity, the organosol uses a large amount of secondary plasticizer and diluent, so that it easily jumps when immersed. If the vinyl chloride sol blended with the foaming agent is a paste prepared by using a non-penetrating vinyl chloride paste resin as in the invention of claim 4 in a form that supports the justification of such a reason, it has been considered difficult to do so. It was confirmed that anti-slip processing can be easily performed on gloves.

In carrying out the present invention, the viscosity of the top coating liquid containing a foaming agent is preferably 1500 CPS or less. Further, when the plasticizer content of the vinyl chloride film of the base (base material) is less than the plasticizer content of the foam coating sol (top coating sol), there is a high probability that the surface unevenness cannot be sufficiently obtained. Preferred results are obtained when the plasticizer content of the underlying vinyl chloride coating is the same as the plasticizer content of the foamed coating sol or when the plasticizer content of the foamed coating sol is high (about 10 PHR). In the present invention, the outer shell material of the microcapsule type foaming agent is a polyacrylonitrile-based polymer having the highest foaming ratio of around 180 ° C., and the best results are obtained. The expansion agent, foaming temperature, etc. are not limited to these.
An incidental feature of the processing method according to the present invention is that the expanded microcapsule foaming agent that has slipped down after processing adheres to the surface of the glove in powder form. This phenomenon may not be preferable depending on the purpose of use of the glove. To remove this powder, it can be easily removed by washing or the like, but more preferably, the simplest method is to pass through the flame while the gloves are still warm after processing. Effective in removing capsule-type foaming agents.

Examples will be described in more detail below.
[Example 1]
First, a non-penetrating coating resin for preparing a base vinyl chloride glove (a vinyl chloride glove base material with a backing cloth) is prepared. Each component of the following formulation (1) is sufficiently mixed with a kneader. Here, the average degree of polymerization of vinyl chloride paste resin (ZEST HM) is 1300.

Formulation (1)
・ Non-penetrating vinyl chloride paste resin
ZEST HM (manufactured by Shin-Daiichi PVC Co., Ltd.) 100 parts by weight, plasticizer 170 parts by weight dioctyl phthalate, viscosity modifier = modified silica Leolosil MT-10 (manufactured by Tokuyama Corporation) 2 parts by weight, stabilizer 2 parts by weight, 1 part by weight of antifungal agent, 2 parts by weight of pigment

  Next, a top coating solution containing a microcapsule type foaming agent (Matsumoto Yushi Seiyaku Matsumoto Microsphere F82D) is prepared. Each component of the following formulation (2) is sufficiently mixed with a kneader. The average degree of polymerization of the vinyl chloride paste resin (Kanevinyl PHS443) in the vinyl chloride sol containing the foaming agent in the formulation (2) is 2800.

Formula (2)
・ Vinyl chloride paste resin Kane vinyl PHS443 (manufactured by Kaneka Kogyo Co., Ltd.) 100 parts by weight ・ Plasticizer Acetyl tributyl citrate 170 parts by weight ・ Viscosity modifier = modified silica Leolosil MT-10 (manufactured by Tokuyama Corporation) 1 part by weight Microcapsule type foaming agent Matsumoto Microsphere F82D 5 parts by weight, stabilizer 2 parts by weight, antifungal agent 1 part by weight, pigment 2 parts by weight

  A knitted glove is attached to an aluminum mold, immersed in a dilute aqueous layer of a fluorine-based treatment solution, and then sufficiently dried. After this, the fluff on the surface is burned by burning with a flame for several seconds, and then the coating sol prepared by blending (1) is applied without pressure by a shower. Thereafter, after standing for a few minutes, it is ignited in the form of a far-infrared burner, and the coating liquid is gelled to carry out a temporary attachment.

  After allowing to cool for several minutes, the gloves are dipped in the liquid of Formulation (2) and pulled up. Thereafter, after standing for a few minutes, it is ignited in the form of a far-infrared burner, and the coating liquid is gelled to carry out a temporary attachment. Then, it was put into a melting furnace, heated for 10 minutes in an atmosphere of 180 ° C., melted and foamed.

Take out from the melting furnace and let cool for 2 minutes, then burn again with a flame for 1 second to burn off the powder on the surface, let it cool, wait for it to cool completely, pull out from the mold and complete the anti-slip gloves It was.
A desired non-slip processed glove having a beautiful appearance with a mesh-like uneven pattern on the surface (FIG. 1) and covered with a foam coating was produced. When the foamed portion was observed with a magnifying glass, the surface was densely covered with a crater-like depression caused by bubble breakage and an expanded microcapsule protruding in a hemispherical shape. The difference from the non-slip processed unevenness (FIG. 2) by the prior art 4 is obvious.

[Example 2]
The same operation as in Example 1 was performed by using the following formulation (3) instead of the formulation (2) in the top coating solution. The average degree of polymerization of the vinyl chloride paste resin (non-penetrating vinyl chloride paste resin: ZEST HM) in the vinyl chloride sol in which the foaming agent was blended in the blend (3) is 1300.

Formula (3)
・ Non-penetrating vinyl chloride paste resin
ZEST HM (manufactured by New Daiichi PVC Co., Ltd.) 100 parts by weight, plasticizer acetyltributyl citrate 170 parts by weight, viscosity modifier = modified silica Leorosil MT-10 (manufactured by Tokuyama Corporation) 1 part by weight, microcapsule type foaming agent Matsumoto Microsphere F82D 5 parts by weight, stabilizer 2 parts by weight, antifungal agent 1 part by weight, pigment 2 parts by weight

  Anti-slip processed gloves made using Formulation (3) have a foamed foam that becomes a foamed or hemispherical uneven surface while the formation of a mesh or blood vessel uneven pattern on the surface of the glove is suppressed. The product had a different appearance from Example 1. Furthermore, it was possible to improve the yield of anti-slip processing for back-throw gloves.

  The present invention is not limited to those shown in the above-described embodiments and examples, and various modifications can be made within the scope of the present invention depending on the purpose and application. The composition and composition of the vinyl chloride sol for forming the surface layer of the glove base and the microcapsule type foaming agent used for the top coating for anti-slip processing are within the scope of the present invention according to the application. Can be selected as appropriate.

It is an expansion explanatory image figure of the non-slip processing part concerning the anti-slip processing glove of the present invention. It is an expansion explanatory image figure of the non-slip processing part which concerns on the anti-slip processing glove of a prior art.

Claims (4)

Blended with the manufacturing method of non-slip processed gloves, which applies a vinyl chloride sol containing a foaming agent to the surface of a vinyl chloride glove base material with a backing cloth, then heats and foams it to apply anti-slip processing to the surface of the glove base material. The foaming agent is a microcapsule type foaming agent, and in the blending composition of the vinyl chloride sol, 1.0 to 10.0 parts by weight of the foaming agent is blended with respect to the vinyl chloride resin, and the plasticizer is 160 weights. The manufacturing method of the non-slip processed glove characterized by being mix | blended in the range up to 200 weight part exceeding a part. After applying the vinyl chloride sol containing the foaming agent to the surface of a vinyl chloride glove base material with a backing cloth whose surface layer is processed with a non-penetrating vinyl chloride paste, the surface is coated with the vinyl chloride sol, heated and foamed, and then slipped onto the surface of the glove base material. The manufacturing method of the anti-slip | skid processed glove of Claim 1 which gives a stop process. The method for producing a non-slip processed glove according to claim 2, wherein an average degree of polymerization of the vinyl chloride paste resin in the vinyl chloride sol containing the foaming agent is in the range of 2000 to 4000. The method for producing anti-slip gloves according to claim 2, wherein the vinyl chloride sol containing the foaming agent is a paste prepared using a non-penetrating vinyl chloride paste resin.