JPH0995541A - Resin molding and its production - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a resin molding which can be used in the field of an artificial stone material presenting a high-grade or tasteful marble-like appearance by utilizing the incineration residue of a general waste material. SOLUTION: Small pieces or granules of a nonmetallic recycled aggregate 1 containing or comprising mainly at least a waste glass material and having the corners rounded off or rounded are solidified into a unit shape with a transparent or semitransparent curable resin 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin molded product which uses an incineration residue discharged from a fluidized bed incinerator for general waste as an aggregate and a manufacturing method thereof, for example, a floor material, inner and outer wall materials, and a kitchen. Interior materials around water such as bathrooms and bathrooms, decorative boards, waist boards, curbs, surface materials for tables and furniture, lighting fixture decoration materials,
The present invention relates to a resin molded product that can be used in the field of artificial stone materials that makes use of the high-class or hobby appearance of landscape materials and the manufacturing method thereof. This resin molded product can be molded and used as a plate material, a block material, or a curved surface molded product.

[0002]

2. Description of the Related Art Conventionally, the incineration residue discharged from a fluidized bed incinerator for general waste has been disposed of by landfill except for iron. In addition, such incineration residue can
A technique for using it as a substitute for crushed sand has also been proposed.

[0003]

However, landfill disposal sites for incineration residues have limitations in urban areas,
Furthermore, it cannot be said that the use of concrete as a substitute for aggregate or crushed sand has necessarily found a high value-added use. The present invention has been made in view of the above points, and is a resin molded product that can be used in the field of artificial stone that has a marble-like appearance rich in high-class or hobby using the incineration residue as described above. With the purpose of providing a method for producing the same and a method for producing the same, the incineration residue, which had been forced to be landfilled in the past, is reused for a value-added use.

[0004]

[Means for Solving the Problems] Next, means for solving the above problems will be described with reference to the embodiments shown in the drawings. That is, the invention of claim 1 is a piece-like or particle-like non-metallic recycled aggregate containing or mainly containing glass waste material, in which the ridges are dropped or rounded. In a unit shape with a transparent or semi-transparent curable resin 2.

The above-mentioned non-metallic recycled aggregate 1 includes or mainly contains a large number of transparent (including colored and transparent) or opaque glass waste materials and porcelain pieces having various color changes and various deformation shapes. In addition to this, transparent or opaque color-changing plastic pieces, and also pebbles and gravel can be included. When the general waste, which is the raw material of the recycled aggregate 1, is separated into each material in advance, the recycled aggregate 1 can be composed of only glass waste and porcelain pieces.

Further, the curable resin 2 is, as an embodiment, an epoxy resin, an unsaturated polyester resin,
It is characterized by being a urethane resin or an acrylic resin.

The resin molded product contains at least 20 to 95 parts by weight of the recycled aggregate and at least 5 to 80 parts by weight of the curable resin as the binder, and the recycled aggregate is substantially evenly contained in the curable resin. It is arranged. Other various curing agents, curing accelerators, crow fiber reinforcements, flame retardants,
An ultraviolet absorber, a wax, a filler or a coloring agent may be contained.

According to a fifth aspect of the present invention, there is provided a method for producing a resin molded product as described above, wherein metal and chloride-containing fine particles are removed from an incineration residue of waste discharged from a fluidized bed incinerator,
Small pieces or granules of non-metallic recycled aggregate whose corners are dropped or rounded by crushing, classification, and mixing processing are obtained, and this recycled aggregate is a transparent or translucent curable resin. It is a method for producing a resin molded product that is solidified into a unit shape with.

According to the resin molded product and the method for producing the same according to the present invention, the recycled aggregate used is crushed,
Particle diameters are made uniform by classification and mixing processing, and the corners are dropped and rounded, so there is little air bubble entrapment during molding, and a resin molded product with a uniform appearance is obtained. In addition, recycled aggregates in resin molded products are metals,
Chloride, fine powder, and dust are removed, and glass pieces are the main constituents, while others are porcelain pieces, crushed stones, etc., so that the transmitted light is reflected or refracted through a transparent or translucent curable resin. Rich in color and pattern shape, it gives a deep marble-like appearance. Furthermore, it contributes to the recycling of waste.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below based on the illustrated embodiments. 1 and 2 are a perspective view and a sectional view of a resin molded product according to an embodiment. This resin molded product is molded into a tile shape and used as a floor material, an interior / exterior material, or various decorative materials. Thus, this resin molded product is transparent (colored and transparent) with a non-metallic recycled aggregate 1 containing or mainly made of transparent (including colored and transparent) or opaque glass waste material having many color changes and various deformation shapes. (Included) or semi-transparent curable resin 2 that is hardened in a tile shape, and recycled aggregate 1 is disposed substantially evenly in curable resin 2.

The recycled aggregate 1 contains or mainly contains waste glass material in the form of small pieces or particles, and can also contain various porcelain pieces and small stones and gravel. The recycled aggregate 1 may be composed of only glass waste materials, porcelain pieces, etc. when the general waste as the material is sorted in advance for each material. These recycled aggregates 1 preferably have a particle size of 0.3 mm to 12 mm, and an average of about 5 mm, and have a rounded shape with the corners dropped.

Further, the curable resin 2 is a binder and may be an epoxy resin, an unsaturated polyester resin, a urethane resin or an acrylic resin.

A resin molded product is made of the above recycled aggregate 20
~ 95 parts by weight, 5 parts of the curable resin as the binder
To 80 parts by weight, and other various curing agents such as triethylenetetramine and methyl ethyl ketone peroxide, and curing accelerators such as cobalt naphthenate.

Next, a method of manufacturing the resin molded product according to the above embodiment will be described. That is, fine particles containing metal and chloride are removed from the incineration residue of the waste discharged from the fluidized bed incinerator for general waste. The incineration residue from which the metal and chloride-containing fine particles have been removed is crushed, classified, and mixed to form small pieces or granules of non-metallic recycled aggregate with the corners removed or rolled. obtain.
The obtained recycled aggregate may be hardened into a unit shape with a transparent or translucent curable resin.

Specifically, iron and non-ferrous metals are separately recovered from the incineration residue of the waste, and fine particles containing a large amount of chloride are removed. The non-metallic residue from which the metal- and chloride-containing fine particles have been removed is mainly composed of glass pieces,
Ceramic pieces and pebbles are mixed. This has a proper particle size and shape as a recycled aggregate for resin molded products.
Classify once or multiple times. Simultaneously with or separately from the classification and crushing, the non-metallic residue is subjected to a mixing processing or a polishing processing, and at this time, the ridge corner is dropped or rounded to obtain a target recycled aggregate having a particle size of about 0.3 mm to 12 mm. .
The mixing processing or the polishing processing is performed while the non-metallic residue and the iron ball or the iron rod, if necessary, are placed in the rotary drum while rotating.

The recycled aggregate thus obtained, a liquid curable resin, a curing agent, a curing accelerator and the like are put into a mold and cured to obtain a resin molded article as a desired interior / exterior decorative material.

The above-mentioned resin molded product is transparent (including colored and transparent) in various color, light refractive index, shape and thickness of glass pieces inside, and depending on the resin molded product, other ceramic pieces or crushed stones. Alternatively, through the translucent curable resin, the transmitted light appears to be reflected or refracted, and a rich color and pattern shape and a deep appearance can be obtained. In addition, the recycled aggregate inside each has no air entrapment because its corners are rounded.

[0018]

【Example】

Example 1 Bisphenol A type epoxy resin (epoxy equivalent 19
0) 30 parts by weight, 70 parts by weight of recycled aggregate having a particle size of 5.0 to 12 mm, and 3.8 parts by weight of triethylenetetramine were sufficiently stirred and mixed at room temperature, deaerated, and cast into a mold having a mirror surface at room temperature. It was cured for 12 hours at 100 ° C. for 8 hours. Example 2 50 parts by weight of unsaturated polyester resin (viscosity 8 poise),
50 parts by weight of recycled aggregate having a particle size of 2.0 to 5.0 mm,
1 part by weight of cobalt naphthenate is sufficiently stirred and mixed at room temperature, 0.5 part by weight of methyl ethyl ketone peroxide (curing agent) is added just before molding, mixed and deaerated, then cast into a mold having a mirror surface, and the mixture is left at room temperature for 12 It was then cured at 100 ° C. for 3 hours.

Comparative Example 1 The same procedure as in Example 1 was repeated except that incineration residue ash discharged from the fluidized bed incinerator was used in place of the recycled aggregate in Example 1. In Examples 1 and 2, glossy marble-like resin molded products were obtained, but in Comparative Example 1, a grayish brown color was exhibited, and no marble-like feeling was obtained.

[0020]

According to the resin molded product and the method for producing the same according to the present invention, the recycled aggregate to be used has a uniform particle size by crushing, classification, and mixing processing, and the ridges and corners are dropped and rounded. As a result, a resin molded product having a uniform appearance and less entrainment of bubbles during molding can be obtained. In addition, the recycled aggregate in the resin molded product is free from metals and chloride-containing fine particles, etc., and is mainly composed of glass pieces and the other is ceramic pieces, crushed stone etc., so it is transparent or translucent. Through the curable resin, the transmitted light is reflected or refracted, the colors and patterns are rich, and a deep marble-like appearance is obtained. Furthermore, there is an excellent effect that it contributes to recycling of waste.

[Brief description of drawings]

FIG. 1 is a perspective view of a resin molded product according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

[Explanation of symbols]

 1 recycled aggregate 2 curable resin

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical display location B29K 105: 16

Claims (5)

[Claims] 1. A small piece-like or particle-like non-metallic recycled aggregate containing at least or mainly glass waste material, the recycled aggregate having the corners removed or rounded is transparent or semi-finished. A resin molded product characterized by being hardened into a unit shape with a transparent curable resin. 2. The resin molded product according to claim 1, wherein the non-metallic recycled aggregate includes or mainly contains a large number of color-changed and various-deformed glass waste materials and porcelain pieces. 3. The resin molded product according to claim 1 or 2, wherein the curable resin is an epoxy resin, an unsaturated polyester resin, a urethane resin or an acrylic resin. 4. The recycled aggregate is contained in an amount of 20 to 95 parts by weight and at least 5 to 80 parts by weight of the curable resin, and the recycled aggregate is substantially evenly arranged in the curable resin. The molded resin product according to claim 1, 2 or 3. 5. Corners are removed or rounded by removing fine particles containing metals and chlorides from the incineration residue of the waste discharged from the fluidized bed incinerator, and crushing, classifying, and mixing processing. A method for producing a resin-molded product, which comprises obtaining a non-metallic recycled aggregate in the form of small pieces or particles and hardening the recycled aggregate into a unit shape with a transparent or translucent curable resin.