TWI457380B - A method for producing a penetrating foam sheet and a product thereof - Google Patents

Description

Method for manufacturing penetrating foamed sheet and product thereof

The present invention relates to a method for producing a penetrating foamed sheet and a product thereof, and more particularly to a method for producing a penetrating foamed sheet which can avoid the use of toxic substances and can effectively control the size of the product and a product thereof.

With the maturity of the development of plasticized products, consumers are also getting higher and higher requirements for the processing, ease of use and post-harvest processing of plasticized products. In the process of processing, it is necessary to avoid the addition of toxic substances and the process. Toxic gas. When the product is used, it is more desirable to be easy to use, beautiful, and durable, and the subsequent recycling treatment must also avoid the harm caused to the human body by toxic gases such as dioxin which are generated when the plastic is recovered by the combustion method. Instead of using the combustion method, the use of a large number of stacking methods will cause secondary damage to the natural environment because most plastics do not decompose on their own.

One of the plasticizing materials currently widely used is a polymer foaming material, which can be roughly classified into a plastic foaming material and a rubber foaming material, or a thermoplastic material and a thermosetting material depending on the raw materials or characteristics used. Two.

The existing plastic foaming material, taking ethylene vinyl acetate (EVA) as an example, the foamed foam by using the material can easily achieve the shaping effect in the post-processing section, and is easy to color. And recycling; only the elasticity and anti-slip effect of the material are less than ideal; while the rubber foaming material can make up for the deficiency of the plastic foaming material, the processing process of the rubber foaming material is complicated and difficult to shape. In addition, it is easy to produce pollutants that are harmful to the environment.

Conventional plastic materials used in the manufacture of multilayer bodies have their advantages and disadvantages. Although they can be studied for mixing materials with different characteristic materials to produce novel materials and improve the aforementioned disadvantages, the combination of materials of different properties is formulated. And process conditions often have shortcomings that are difficult to control. In addition, after the product is manufactured, its size cannot be effectively controlled, making subsequent products more difficult to process.

Generally, in the foaming process, the cushion body made of the foaming plasticizing material is difficult to control the longitudinal foaming, so that the foaming process is foamed in an irregular direction in all directions, so that the size of the cushion body cannot be effectively effective. The control, and the foaming material is mostly soft plasticizing material, so it is also difficult to control in the process, and the overflowing foaming material will lead to an increase in material cost.

The present inventors have in view of the above-mentioned various disadvantages in view of the above-mentioned various disadvantages of the general foamed plasticized material, and are actively engaged in research and improvement in order to solve the problems encountered in the manufacture of the above-mentioned mat body, and have been continuously tested and Efforts have finally come to the present invention.

SUMMARY OF THE INVENTION The main object of the present invention is to provide a method for producing a penetrating foamed sheet which can avoid the use of toxic substances and which can effectively control the size of the product and products thereof.

In order to achieve the above object, the present invention is achieved by the following technical means, wherein the present invention comprises the steps of: providing an upper foamed sheet; providing a foamed sheet; providing an intermediate mesh, the net The cloth is a non-ductile heat-resistant material, the mesh size of the mesh is 0.1mm~10mm, and the distance between each mesh is 0.5mm~5.0mm; the sandwiching foaming is arranged on the upper mesh, Between the lower foamed sheets, the upper and lower sheets are foamed by hot pressing, and when the upper and lower sheets are foamed, one side of the mesh is passed through the mesh of the mesh to join each other to form a Penetrating foamed sheet.

The penetrating foaming sheet system of the present invention comprises an upper foaming sheet body and a lower foaming sheet body, and an intermediate mesh cloth is disposed between the upper and lower foaming sheet bodies, and the mesh size of the intermediate mesh cloth is 0.1 Mm~10mm, the distance between each mesh is 0.5mm~5.0mm, and the thickness of the upper and lower foamed sheets is 0.1mm~1.0mm more than the thickness of the intermediate mesh.

Since the invention directly uses the two upper and lower foamed sheets to be thermally foamed for bonding, it is not necessary to use any toxic colloid, and during the foaming process, the longitudinal foaming of the material is pulled by the mesh material. Restricted, the upper and lower foamed sheets are only foamed in the longitudinal direction without the problem of material overflow.

The manufacturing method of the penetrating foamed sheet of the present invention comprises the steps of: providing an upper foamed sheet material which is a TPE material selected from the group consisting of the following polymers or copolymers: styrene-butyl Styrene-Butadiene-Styrene (SBS), Styrene-Isoprene-Styrene (SIS), Styrene-Ethylene-Butylene-Styrene Elastomer ( Styrene-Ethylene-Butylene-Styrene Elastomer (SEBS), Styrene-butadiene rubber (SBR), polystyrene (PS), acrylonitrile-butadiene-styrene copolymer (Acrylonitrile) -Butadiene-Styrene, ABS), polyethylene (PE), high-density polyethylene (HDPE), polypropylene (PP), acrylonitrile-styrene copolymer (Acrylonitrile-styrene copolymer, AS), or a mixture of the foregoing polymers and/or copolymers; providing a foamed sheet of TPE material selected from the group consisting of styrene-butadiene-styrene embedded Copolymer (Styrene-Butadiene-Styrene, SBS), styrene-isoprene - Styrene-Isoprene-Styrene (SIS), Styrene-Ethylene-Butylene-Styrene Elastomer (SEBS), Styrene-butadiene rubber , SBR), polystyrene (PS), Acrylonitrile-Butadiene-Styrene (ABS), polyethylene (PE), high density polyethylene (high-density) Polyethylene (PPPE), polypropylene (PP), acrylonitrile-styrene copolymer (AS), or a mixture of the foregoing polymers and/or copolymers; providing an intermediate mesh, the mesh For the non-ductile heat-resistant material, the mesh size of the mesh is 0.1mm~10mm, and the distance between the meshes is 0.5mm~5.0mm; the sandwiching foaming is to arrange the intermediate net on the upper and lower sides. Between the foamed sheets, the upper and lower sheets are foamed by hot pressing, and when the upper and lower sheets are foamed, they are combined with one side of the mesh through the mesh of the mesh to form a wear. Permeable foamed sheet.

After the upper and lower foam sheets are interposed with the intermediate mesh cloth for foaming, the thickness of each foamed sheet body is required to be It is 0.1mm~1.0mm thicker than the thickness of the mesh. Since the foaming behavior of the upper and lower foamed sheets is foamed by the intermediate mesh, there is no intense foaming reaction. The foaming reaction is converted into longitudinal foaming, so that the foaming of the upper and lower foamed sheets is carried out in the thickness direction of the penetrating foamed sheet, and the heat-pressing operation can effectively control the penetrating hair. The thickness of the foam body, and the mesh arrangement shape of the intermediate mesh cloth can present different characters, patterns or patterns according to requirements, so that the heat-transmissive penetrating foamed sheet can be naturally taken out after foaming. The desired text, pattern or pattern, so that the heated hot pressing mold does not need to set the text pattern or pattern, which can not only reduce the cost of the manufacturing equipment, but also easily achieve the formation of the penetrating foam sheet. The effect of words, patterns or patterns.

Moreover, the penetrating foam sheet system of the present invention comprises an upper foamed sheet body and a lower foamed sheet body, and an intermediate mesh cloth is disposed between the upper and lower foamed sheet bodies, and the mesh size of the intermediate mesh cloth In 0.1mm~10mm, the distance between each mesh is 0.5mm~5.0mm, and the thickness of the upper and lower foamed sheets is 0.1mm~1.0mm more than the thickness of the intermediate mesh, and the intermediate mesh is The mesh arrangement shape presents different text, patterns or patterns.

The penetrating foamed sheet body manufactured by the invention can be applied to the yoga mat, the anti-slip mat and the heat insulating mat, so the application range is very wide, and the size can be effectively controlled due to the foaming process. Therefore, there is no problem of material loss, and the cost of manufacturing the pad body can be saved.

The above-mentioned hot pressing conditions are general plasticizing pad hot pressing conditions, and the temperature and pressure thereof are known to those skilled in the art, and are not the focus of the present invention, and thus the description thereof will be omitted herein.

In summary, the present invention utilizes the arrangement of the intermediate mesh cloth, so that the upper and lower foamed sheets can effectively control the directionality of foaming during the foaming process, so that the manufacturing cost of the cushion body can be controlled, and Since the variability of the size is controlled, it is possible to manufacture a plasticized mat body which is competitive in the market according to the demand, so that the present invention is highly industrially usable.

Claims (2)

A method for manufacturing a penetrating foamed sheet comprises the steps of: providing an upper foamed sheet; providing a foamed sheet; and providing an intermediate mesh cloth which is a non-ductile heat resistant material The mesh size of the mesh cloth is 0.1mm~10mm, and the distance between each mesh hole is 0.5mm~5.0mm; and the sandwiching foaming is arranged between the upper and lower foaming sheets. The upper and lower sheets are foamed by hot pressing, and when the upper and lower sheets are foamed, they are combined with one side of the mesh through the mesh of the mesh to form a penetrating foam sheet. Wherein the upper and lower foamed sheets are made of TPE, and the TPE material is selected from the group consisting of styrene-butadiene-styrene-embedded copolymers (Styrene-Butadiene-Styrene) , SBS), Styrene-Isoprene-Styrene (SIS), Styrene-Ethylene-Butylene-Styrene Elastomer (SEBS), Benzene Styrene-butadiene rubber (SBR), polystyrene (PS), acrylonitrile-butadiene-styrene Acrylonitrile-Butadiene-Styrene (ABS), polyethylene (PE), high-density polyethylene (HDPE), polypropylene (PP), acrylonitrile-styrene copolymer (Acrylonitrile- Styrene copolymer, AS), or a mixture of the foregoing polymers and/or copolymers. The method for manufacturing a penetrating foamed sheet according to the first aspect of the invention, wherein the mesh arrangement shape of the intermediate mesh exhibits different characters, patterns or patterns.