JPH0452304A - Colored block for road and manufacture thereof - Google Patents

Abstract

PURPOSE:To display functions as road-signs by coating the outer side of a filler layer in which the bulk material of the waste of slag, sludge, and soot and dust, etc., and thermosetting resin are joined, with a surface layer, in which glass beads or aluminum foil are applied. CONSTITUTION:The outer side of a filler layer 2, in which the bulk material of the waste of about 70-95wt.% of slag, sludge, and soot and dust etc., and about 5-30wt.% of thermosetting resin are joined, is coated with a surface layer 1, in which unsaturated polyester resin containing color pigment is hardend. In this case, glass beads 1a are scattered in the unsaturated polyester resin in the surface layer 1, and aluminum foil 1b is applied on the back side successively. Also glass, having a grain diameters of about 80-840mu and refractive index/of 1.5-1.6, 1.7-1.9, 1.9-1.95, and 2.2-2.3 is used for the glass 1a. This can display excellent functions as the blocks of road curbstones etc.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to road blocks such as curb blocks and pedestrian/vehicle boundary blocks, and their manufacturing method, and more particularly to the disposal of slag, sludge, soot, etc. The present invention provides a road block by forming a colored layer with excellent glitter on the surface of the block.

[Prior Art] Conventionally, when blocks used for roads such as curb blocks and pedestrian/vehicle boundary blocks (hereinafter referred to as road blocks) are colored yellow to indicate prohibition of overtaking, prohibition of parking, etc. After the concrete blocks are laid, paint is usually applied to the surface.

However, this simply applied paint is prone to fading when exposed to strong direct sunlight containing ultraviolet rays, and deteriorates rapidly when exposed to wind and rain and changes in temperature, and furthermore, when it comes into contact with cars and people. The problem is that there are many bald spots, and the friction causes the bald spots to easily fall off. Therefore, not only is it unsatisfactory in its function as a warning sign, but it is also extremely unsightly in terms of aesthetics.

On the other hand, waste such as slag, sludge, soot and dust are treated as unnecessary materials.
Processing methods include composting and disposing of it in a landfill, or putting it in an incinerator and burning it, but landfilling requires a vast amount of land, which is difficult to secure, and incinerators have enormous operating costs. However, there are many problems such as the carbon dioxide gas emitted causes environmental pollution. This waste is only used, for example, by mixing it into concrete to create concrete blocks.

[Try to solve the invention! ! ! As a result of repeated research into the use of these waste materials, the inventor found that by combining waste materials with a thermosetting resin, color properties, adhesive properties, and It was confirmed that a product with excellent weather resistance could be obtained, and the present invention was completed.

[Means for Solving the Problems] The road block of the present invention has a diameter of 70 to 9 as shown in FIG.
Filled bed 2 in which 5 wt% of waste powder such as slag, sludge, soot dust, etc. is bonded with 5 to 30 wt% of thermosetting resin.
is formed inside. Polyester resin, phenol resin, epoxy resin, etc. can be used as this thermosetting resin, and the resin plays the role of adhesive for waste powder and particles, and after solidifying, it forms a network structure. Demonstrate physical strength.

That is, the waste does not act as a filler for the resin, but accounts for 70 to 95 wt%, and
The resin mixed with 5 to 30 wt% acts as an adhesive and binds and solidifies the powder and granules, making it possible to form a large amount of waste into a solid block.

In addition, this waste can be waste such as blast furnace slag, electric furnace slab, foundry sand, etc., which is discharged in the casting process, sludge, cinders, etc. The components are, for example, blast furnace slag, Analysis of electric furnace slag and sludge is as shown in the table below.

The main component of the sludge component that remains after ignition loss is silica (
St), calcium (Ca), aluminum (AI),
Composed of iron (Fe). The components of this slag, sludge, etc.
Contains metal components, sand components, etc. When made into a block, it maintains a constant weight and hardness, making it suitable for road blocks.

Then, on the outside thereof, a surface layer 1 is formed using an unsaturated polyester resin, for example, isophthalic acid polyester, and containing a coloring pigment to display a marker color such as yellow. This resin with excellent light transmittance can clearly reveal the color of the pigment mixed in, and can produce a color effect that alerts people to the prohibition of overtaking (see Figure 1 B). Good adhesion to hardening resin. In addition, it can be either glossy or matte to create an aesthetically pleasing road environment, and has a certain degree of hardness and weather resistance, so it won't wear out when it comes into contact with cars, and is resistant to UV rays, acid rain, etc. Forms a strong layer that can withstand even the most extreme conditions.

In addition, when it is desired to make the surface reflective of light, unsaturated polyester resin contains colored pigments and uncolored glass pieces 1a having retroreflectivity are scattered, and aluminum foil 1b is placed on the back side. to form the surface layer 1.

The glass beads Ia have a particle size of 80 to 840μ and a refractive index of 1.5 to 1.6, 1.7 to 1.9, 1.9 to 1.9.
5.2°2 to 2.3 is suitable. This coloring method is
It may also be an embodiment in which colored glass beads 1a having retroreflectivity are scattered. Further, the aluminum foil 1b is preferably applied to the back surface of the beads in order to improve the retroreflectivity of the beads and to reflect the light leaking from between the beads and make them enter the beads to increase the reflective ability.

Next, to explain the manufacturing method, a mold is created with the external shape of a prismatic, semicircular, or L-shaped road block such as a curb block or a pedestrian/vehicle boundary block, and a mold release agent is applied to the inner wall of the mold. If polishing is required, polish with a dry cloth (see Figure 2C).

Then, a colored resin is used, in which an unsaturated polyester resin such as an isophthalic acid polyester is used as a main resin, and a yellow pigment and dye for coloring are mixed therein.

Then, the reaction accelerator and curing agent are mixed with the resin and sprayed onto the inner wall of the mold using a spray gun.At this time, it is preferable to spray with a pressure gun instead of an air gun because it will evenly coat the corners. It is.

At this time, if the surface is to have a light reflecting function, about 50 wt % of retroreflective glass beads are mixed into the isophthalic acid polyester. Furthermore, while the curing reaction of the unsaturated polyester resin was not yet completed and the adhesiveness remained, aluminum foil cut into strips of about 1.0 to 1.5 mm square was placed inside the layer with glass beads. Spread it so that it covers the back side of the (see Figure 2 C).

Next, wastes such as blast furnace slabs, electric furnace slabs, aluminum ash and foundry sand, sludge, cinders, and soot dust discharged from the casting process are prepared, and these are used alone or in a mixture.
Dry thoroughly in a drying oven, etc.

Then, using a thermosetting plastic such as polyester resin or phenol resin as a binder, for example, using polyester as the main ingredient, the waste is mixed with this in a mixer, and a curing agent and a reaction accelerator are mixed with this slag, etc. Add agent. In order to prevent peeling, the isophthalic acid polyester resin is poured into a mold before it is completely cured (see Figure 2C), and the resin is cured while being slightly vibrated with a pie break (see 2nd diagram). After being left for a certain period of time and curing is completed, the formwork is opened and demolded to obtain a road colored block.

[Function] Due to the action of the colored unsaturated polyester layer, which is rich in glitter, the surface can be beautifully colored, and it exhibits an excellent function as a road sign.If retroreflective beads are applied, it can be used as a sign for automobiles, etc. It reflects off lights and can alert drivers even at night.

In addition, due to the good adhesion with the thermosetting resin, a sturdy block can be formed, and since the unsaturated polyester layer is resistant to ultraviolet rays and temperature changes, it can have excellent weather resistance.

Then, 5 to 95 wt% of the waste powder and granules are
The 30wt% thermosetting resin acts as an adhesive to bind each other together, forming a solid block and increasing the efficiency of waste utilization.

[Effects] With the above-described structure and operation, the present invention can form a colored layer rich in glitter, exhibiting excellent functions as road curb stones and boundary blocks, and exhibiting excellent adhesive properties with thermosetting resins. Due to its good quality, it is robust and resistant to sunlight, wind and rain, so it can maintain its effects for a long time.

Furthermore, since waste such as slag and aluminum ash can be made into blocks using a relatively small amount of resin, the waste can be used efficiently, and the cost can be reduced accordingly, which is an economical effect.

[Example 1] A formwork was created with an L-shaped pedestrian and roadway boundary block,
This was coated with a mold release agent and polished. A mixture of isophthalic acid polyester (trade name: Mitsui Toatsu Nister R) mixed with a yellow pigment is mixed with a curing agent and a reaction accelerator, and then sprayed with a pressure spray gun, about 3 m long.
The thickness was m.

On the other hand, after drying 1.5 kg of slag powder and 1.5 kg of sludge powder, 1 kg of unsaturated polyester resin (trade name Mitsui Toatsu Nister XE) was added in a mixed manner and stirred for about 5 minutes. Mixed.

Then, while the isophthalic acid-based polyester is still uncured, the mixture of waste and resin is poured into the mold and the curing reaction is allowed to proceed while being vibrated. After 2 hours, solidification is completed and the mold is removed. I molded it and got the product.

[Example 2] A mold was created with the outer shape of an L-shaped road block as a pedestrian/vehicle road boundary block, a mold release agent was applied to the inner wall of the mold, and the mold was polished with a dry cloth. Then, a colored resin was used in which an unsaturated polyester resin such as isophthalic acid polyester (trade name: Mitsui Toatsu Nister R) was used as the main resin, and a yellow pigment for coloring was mixed into this resin. 50 wt% in the isophthalic acid-based polyester that is retroreflective glass beads.
Furthermore, while the curing reaction of the unsaturated polyester resin was not yet completed and the adhesiveness was still maintained, aluminum foil cut into 1.5 mm square pieces with a gritter was placed inside the layer using crow beads. I sprinkled it on the back side. Then, a reaction accelerator and a curing agent are mixed with the resin,
It was sprayed onto the inner wall of the mold using a pressure spray gun.

On the other hand, after drying 1.5 kg of slag powder and 15 kg of sludge powder, 1 kg of unsaturated polyester resin (trade name: Mitsui Toatsu Nystar .

Then, the mixture of waste and resin is poured into the mold with the isophthalic acid-based polyester uncured, and the curing reaction is allowed to proceed while vibrating. After 2 hours, solidification is completed and the mold is removed. I molded it and got the product.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 11 (A) is a longitudinal cross-sectional side view of the road block of the present invention, (B) is a partially enlarged longitudinal cross-sectional view, and FIG. 2 is a schematic diagram showing the manufacturing process. , (A) shows a process of applying a mold release agent, (B) shows a process of applying a surface layer containing beads, (C) shows a process of casting a filled layer, and (D) shows a curing process. l...Surface layer 1a...Crow beads lb...
Two fists of aluminum foil... LJN on the filling layer j... Patent applicant: Ryoko Sangyo Co., Ltd. (one other person) Engraving of the drawings, Figure 2 ("Huni") Procedural amendment October 23, 1990 1, Indication of the incident 1990 Patent Application No. 1615602
, Title of the invention Colored blocks for roads and their manufacturing method 3, Relationship to the case of the person making the amendment Patent applicant address 984-cho, Shinsato-cho, Utsunomiya-shi, Tochigi Prefecture 3 Ugo Sanki" Yo Name Representative: Takeo Kinoshiro, Ryoko Sangyo Co., Ltd. Director Takeo 4, Agent 477-1 Shukugo-cho, Utsunomiya City, Tochigi Prefecture 5 Date of amendment order September 25, 1990 6 Number of claims increased by amendment None 7 Subject of amendment Drawings

Claims (1)

[Claims] 1) Forming inside a packed bed in which 70 to 95 wt% of waste powder such as slag, sludge, and soot dust is combined with 5 to 30 wt% of a thermosetting resin, A colored road block whose outer surface is coated with a surface layer made of hardened unsaturated polyester resin containing colored pigments. 2) A packed layer is formed inside which combines 70 to 95 wt% of waste particles such as slag, sludge, and soot and 5 to 30 wt% of thermosetting resin, and a colored pigment is applied to the outside of the packed layer. This road colored block is coated with a surface layer made of hardened unsaturated polyester resin and has aluminum foil on the back side and is coated with a surface layer of hardened unsaturated polyester resin, which contains glass pieces that have photoregression properties. 3) Apply a mold release agent to the inner wall of the formwork in which the road block has been molded, mix an unsaturated polyester resin containing a coloring pigment with a hardening agent, and apply it. 70 to 95 wt% of waste powder and 5 to 95 wt% of thermosetting resin
A method for manufacturing a road colored block, which is characterized in that the mixture is mixed with 30 wt%, cast, solidified by bonding the powder and granules together with a resin, and then demolded to obtain a product. 4) Apply a mold release agent to the inner wall of the formwork in which the road block was molded, and mix an unsaturated polyester resin containing a coloring pigment and a glass piece with photoregression properties with a hardening agent. A reflective layer is formed by sprinkling aluminum foil on the inside of the aluminum foil, and then 70 to 95 wt% of powder and granules of waste such as slag and soot are mixed with 5 to 30 wt% of a thermosetting resin. Mold and solidify by bonding the powder and granules together with resin,
A method for manufacturing a road colored block, which is characterized by obtaining a product by demolding.