JP4137248B2 - Mouse pad and manufacturing method thereof - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mouse pad used when inputting data and commands to a computer main body with a mouse which is an input device of a computer.
[0002]
[Prior art]
Conventionally, as a mouse pad, a mat formed of a resin sheet (see Japanese Utility Model Laid-Open No. 5-17733) and a mat formed of neoprene foam (see Japanese Patent Laid-Open No. 2-81119) have been proposed. However, the mat formed of the resin sheet has no cushioning property and poor workability, and the mat formed of the neoprene foam has a disadvantage that the mouse ball fits into the neoprene foam and cannot move. .
Recently, on a flexible plastic foam layer, a surface that can prevent the mouse ball from being stuck in the plastic foam layer and move and at the same time the mouse ball properly bites into the plastic foam layer and can be rotated smoothly. A mouse mat to which a sheet is bonded (see Utility Model Registration Publication No. 2533002) has been proposed.
[0003]
[Problems to be solved by the invention]
However, since the above conventional mouse pad is printed on the top sheet and vinyl chloride is bonded for reinforcement, dioxins are generated at the time of incineration and there is a problem of the global environment.
Therefore, the object of the present invention is to eliminate the disadvantages of the prior art, to prevent the generation of dioxins during incineration, to allow the mouse ball to slide well and to comfortably fit the mouse for a long time without being fitted on the surface of the mat. The object is to provide a mouse pad that can be operated.
[0004]
[Means for Solving the Problems]
The mouse pad of the present invention achieves the above-described object,
A cross-linked polyethylene foam layer is laminated on a cross-linked foam layer based on a polyethylene resin polymerized using a metallocene-based catalyst and hot-press molded, and a resin layer is formed on at least the upper surface of the cross-linked polyethylene foam layer. And a texture pattern is formed on the surface of the resin layer.
The method for producing a mouse pad according to the present invention comprises a mold and a foam obtained by laminating a crosslinked polyethylene foam layer on a crosslinked foam layer based on a polyethylene resin polymerized using a metallocene catalyst. Compressed and stored with a cloth between them, heated under pressure and hot-press molded to form a resin layer on at least the upper surface of the crosslinked polyethylene foam layer, and a texture pattern formed on the surface of the resin layer It is characterized by this.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
The lower surface of the mouse pad of the present invention is preferably a non-slip foam, and an organic foaming agent such as azodicarbonamide, a foaming aid and a crosslinking agent are added to a polyethylene resin polymerized using a metallocene catalyst, kneaded, and pressed. It is preferable to use a conventional foaming method such as a so-called pressure one-stage foaming method in which a mold is filled and then decompressed after heating under pressure, because the foam is excellent in non-slip property and cushioning property.
The upper surface of the mouse pad preferably forms a surface sheet made of a material that allows the mouse ball to bite and rotate smoothly, for example, an organic foaming agent such as dinitrosopentamethylenetetramine on low density polyethylene, Foaming aid and cross-linking agent were added, kneaded, filled in a mold during pressing, and heated at a pressure and then decompressed after heating by a conventionally known method such as so-called pressure one-stage foaming, and foamed at a magnification of 10 to 20 times. Those are preferred in terms of physical strength and sliding of the mouse ball.
In the present invention, the two types of foam layers are laminated, charged into a lower mold of one mold or a pair of molds, and the mold is hydraulically sealed while maintaining the compressed state. When it is fixed to the hot platen of the press, heating steam is made to flow through the flow path of the heating medium in the hot platen, preferably after heating at 90 to 200 ° C. for 1 to 40 minutes, and then cooling to form the molded product. Remove from mold. In the hot pressing, a fabric such as a knitted fabric jersey is placed between a mold and a foam. Thereby, the air pocket at the time of shaping | molding can be removed, the texture pattern is formed in the surface of a mouse | mouth mat, and the sliding of the roll of a mouse | mouth improves.
[0006]
【Example】
Hereinafter, preferred embodiments of the mouse pad of the present invention will be specifically described with reference to the drawings.
FIG. 1 is a perspective view showing a mouse pad of the present invention, FIG. 2 is an explanatory view showing a use state of the mouse pad of the present invention, and FIG. 3 is a press mold for hot-pressing the mouse pad of the present invention. It is sectional drawing at the time of charging a material.
In FIG. 1, 1 is a cross-linked foam based on a polyethylene resin polymerized using a metallocene catalyst, and has a foaming ratio of 15 times and a high non-slip property. No. 2 is a hot-press molded cross-linked polyethylene foam by the method described in the present invention. The surface is defoamed to form a resin layer, or the entire cross-linked polyethylene foam layer is defoamed to form a resin. A layer is formed. The two foam layers are heat-sealed by hot pressing, and no adhesive is used. A texture pattern is formed on the crosslinked polyethylene foam layer 2.
In FIG. 2, reference numeral 3 denotes a mouse. The mouse 3 is raised on the cross-linked foam 2 on the surface layer of the mouse pad, and gives data and commands to the computer main body while rotating the mouse ball.
In FIG. 3, 4 is a knitted fabric jersey, 5 is an upper mold, 6 is a lower mold, and 7 is a press hot platen. Such a mold is sealed and heated under pressure.
Example 1
As shown in FIG. 3, a crosslinked foamed body 1 (foaming ratio 15 times, size: 10 × 500 × 500 mm) and a crosslinked polyethylene foam 2 (trade name: Sanperca L) based on a polyethylene resin polymerized using a metallocene catalyst. -1400, expansion ratio 14 times, base material: low density polyethylene, size: 2 × 500 × 500 mm), and knitted fabric jersey 4 is sandwiched between foams 1 and 2 and molds 5 and 6 5 and 6 were sealed, 150 ° C. heating steam was passed through the flow path of the heat medium in the hot platen 7 of the press and heated under pressure for 10 minutes to form a hot pad, thereby forming a mouse pad.
The molded mouse pad had a cross-linked polyethylene foam layer defoamed by hot pressing, resulting in a beautiful cross-linked resin with a textured pattern on the surface, good sliding of the mouse ball, and the bottom surface was highly non-slip. .
Example 2
In Example 1, except that the thickness of the crosslinked polyethylene foam was changed to 5 mm, the mouse pad was molded by the same material, the same apparatus and the same conditions as in Example 1.
The cross-linked polyethylene foam layer of the molded mouse pad was defoamed on the top surface to form a cross-linked resin layer, but bubbles remained on the bottom, and it became a beautiful cross-linked resin with a textured pattern on the surface, The mouse ball slipped well and the bottom surface was highly non-slip.
[0007]
【The invention's effect】
As described above, according to the mouse pad and the manufacturing method thereof of the present invention, since the texture pattern is formed on the surface, the mouse roll is slippery and the mouse ball bites into the surface layer appropriately. It can be rotated smoothly. Since the lower surface uses a polyethylene resin polymerized using a metallocene catalyst, the non-slip property is high and the mouse pad does not move during mouse operation. Since the mouse pad of the present invention does not use a material containing chlorine atoms, dioxins are not generated even when incinerated. Since two types of foams are heat-sealed by hot pressing, no adhesive is required.
The mouse pad of the present invention has such characteristics, and is extremely useful in mouse operations for a long time.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a mouse pad of the present invention.
FIG. 2 is an explanatory diagram showing a use state of a mouse pad according to the present invention.
FIG. 3 is an explanatory view showing a method for manufacturing a mouse pad according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Crosslinked foam based on polyethylene resin polymerized using metallocene catalyst 2 Crosslinked polyethylene foam 3 Mouse 4 Knitted fabric jersey 5 Upper mold 6 Lower mold 7 Press hot platen

Claims (2)

The polyethylene resin polymerized using a metallocene catalyst on the expansion ratio of 5 to 20 times the crosslinked foam layer as a base material, by laminating the expansion ratio 10-20 times the cross-linked polyethylene foam layer, a gold A mouse pad in which a jersey of knitted fabric is sandwiched between a mold and a foam, hot-press molded, a resin layer is formed on at least the upper surface of the crosslinked polyethylene foam layer, and a texture pattern is formed on the surface of the resin layer . A cross-linked polyethylene foam layer having an expansion ratio of 10 to 20 times is laminated on a cross-linked foam layer having an expansion ratio of 5 to 20 times based on a polyethylene resin polymerized using a metallocene catalyst. A knitted fabric jersey is sandwiched between the mold and the foam, and compressed and stored, heated under pressure and hot-press molded to form a resin layer on at least the upper surface of the crosslinked polyethylene foam layer. A method of manufacturing a mouse pad, comprising forming a texture pattern on a surface.

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