JPS6398410A - Preparation of synthetic resin tile having stone-like pattern - Google Patents

Abstract

PURPOSE:To prepare easily a tile having a grain pattern which is different from a natural grain pattern, by mixing a scalelike mica having a specific average particle diameter in a polyvinyl chloride resin compound to make a sheet, put it between a tile base material and a transparent resin sheet and making them in a body by means of press molding. CONSTITUTION:Scalelike mica whose average particle diameter is 3-0.1mm and color is white or black or the mixture thereof is mixed in a polyvinyl chloride resin compound, and the mixture is gelated under heating and pressure by means of a calender roll to make a sheet whose thickness is 2-0.3mm, which is then cut in a proper size. This is placed between a tile base material and a transparent resin sheet, and they are made in a body by means of press molding under heating. As the tile base material, a polyvinyl chloride resin plate where large amt. of fillers are mixed and a raw material compatible with the mica-mixed polyvinyl chloride sheet and having low elongation can be used. The tile thus prepared has a natural grain pattern which the mica- mixed polyvinyl resin layer exhibits through the transparent resin sheet.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a method for manufacturing synthetic resin tiles used for floors or walls of buildings.

(Prior art and its problems) There are various products as synthetic resin tiles for floors or walls, but among them, those with a natural texture are preferred.

One method for manufacturing synthetic resin tiles that gives off the feel of natural materials is to attach a film with a photographic pattern of natural stone printed onto the surface of a synthetic resin board. However, products manufactured by this method can only be manufactured with the same pattern, and in order to increase the number of types, it is necessary to prepare a large number of printed films with different patterns, which has the disadvantage of increasing manufacturing costs. Furthermore, when used as a flooring material, the film has the disadvantage of being worn away and the printed pattern peeling off.

(Object of the Invention) The present invention was made to solve the above-mentioned problems, and is a method for easily manufacturing tiles with a natural stone grain pattern and also with different patterns.

(Structure of the Invention) The method for producing a synthetic resin tile according to the present invention is to prepare a polyvinyl chloride resin compound with an average particle size of 3n to 0.1fi.
scaly white or black mica, or a mixture of these, is mixed in and gelled by heating and pressurizing with a calendar roll to create a sheet with a thickness of 2111 to 0.3 mm, which is then cut into appropriate sizes. This is polymerized between the tile base material and the transparent resin sheet and integrated by hot press molding. As the tile base material, in addition to a vinyl chloride resin sheet mixed with a large amount of filler, a material that is compatible with the mica-mixed vinyl chloride resin sheet and has a low expansion/contraction rate is used.

In the tiles manufactured in this manner, a layer of vinyl chloride resin mixed with mica exhibits a natural stone grain pattern through a transparent resin sheet. In particular, the mixed mica is in the form of scales with an average particle size of 3 m to 0.11 m, so if it is mixed into a sheet with a thickness of 21 to 0.3 N, the mica grains will be oriented in the thickness direction of the sheet. , this is observed from the surface to the depth, giving it a very heavy feel.

It should be noted that good results were obtained with biotite in giving depth to the handle and with muscovite in giving gloss. If you use other types of mica with different color shapes, you can obtain even more depth. This stone grain pattern can be freely changed by changing the mixing ratio of mica and the mixing ratio of muscovite and biotite.

Furthermore, by coloring the base color, that is, the vinyl chloride resin compound, a variety of colors and patterns can be obtained.

Therefore, it is possible to easily create stone grains with different patterns, it is possible to accommodate small lofts of products, and it is expected that costs will be reduced.

(Example) The production examples of the present invention will be detailed below.

Vinyl chloride resin 100 parts Plasticizer 25 parts Filler 200 parts Stabilizer 3 parts Muscovite 15 parts Biotite 15 parts The above materials were uniformly dispersed and mixed in a Hensel mixer to form a vinyl chloride resin compound having the above composition. A sheet with a thickness of 0.5 ys* was formed by heating and pressurizing with a calendar roll. Cut this into a size of 340fi x 340g++ and layer it on top of the 1.3 Tsuru tile base material.
Furthermore, a 0.2 fl transparent vinyl chloride resin sheet was superimposed on this and hot press molded. This was then cut to size to create synthetic resin tiles with a stone grain pattern.

(Effects of the Invention) As explained above, according to the method of the present invention, a synthetic resin tile with a stone grain pattern can be easily manufactured. In addition, it is possible to create various stone patterns depending on the amount of scale-like mica added, making it suitable for small-lot production and having lower manufacturing costs than conventional printing films. have・

Claims (1)

[Claims] In the vinyl chloride resin compound, the average particle size is 3 mm ~
0.1 mm of scaly mica is mixed in, a sheet with a thickness of 2 mm to 0.3 mm is created using a calendar roll, cut into appropriate sizes, and this is polymerized between the tile base material and the transparent resin sheet. A method for manufacturing synthetic resin tiles that exhibit a stone grain pattern characterized by being integrated by press molding.