JPS5945955A - Lightweight hardened body - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lightweight hardened body such as a flooring material, a building material such as a wall material, and a board material used for other purposes.

Organic foamed boards (mainly low foamed ones), honeycomb structure and lipstick are used as vertically placed boards (light board-like members) that are lightweight (specific gravity 0.5 to 0.7), have high strength, and have excellent insulation properties. Structured composite plates are being researched. However, although low-foam organic foam has the advantage of being highly insulating and lightweight, it is weak against heat, and it also increases material costs and requires time and effort to manufacture vC1, making it expensive. have shortcomings. Composite boards also have the disadvantage of being expensive for the same reasons as organic foams. Wooden boards, which have been conventionally used as construction materials, have the advantage of being cheap and lightweight, but have the disadvantage of being easily rotten and absorbing a large amount of water. Furthermore, the lightweight cured body according to the present invention (
Inorganic foam (ALC), which is the closest analog to board materials, has the advantages of being lightweight, heat-insulating, and inexpensive. However, it has the disadvantage that it takes a long time to cure and must be made considerably thicker to achieve the same strength as other types of board.

In view of these circumstances, the present invention aims to provide a lightweight plate-like or other lightweight hardened body that is inexpensive, has excellent performance, and is easy to manufacture. A lightweight hardened material used as a material,
Lightweight and lightweight, characterized by containing at least one of low specific gravity foamed clay and low specific gravity foamed shale as a filler.
The gist is the cured product.

Table 1 shows the performance, manufacturability, and cost of the light-weight inorganic hardened body according to the present invention having such characteristics, in comparison with the various types of conventional plate-shaped bodies mentioned above. ○ means excellent, × means inferior, and Δ means average.

(Leaving space below) As shown in Table 1, conventional organic foam, wood-based board material, and inorganic foam each have their own drawbacks, whereas the present invention has disadvantages. Hardened Ji bodies (lightweight aggregate-containing boards) are inexpensive, have excellent performance, and are easy to manufacture.

The lightweight hardened body according to the present invention uses at least 10,000 resin and cement as a binder. Examples of the resin include tj and phenol 411JIi polyester resin, and h is a foamable organic material (organic foam) such as foamable polyester resin (polyester foam). Resin is sometimes used to make resin concrete, which is made by adding aggregate, etc. to resin.

Cement refers to an inorganic binder such as Portland cement. Cement is sometimes used to make concrete.

In the d-lid cured body according to the present invention, a filler
As such, at least one of low specific gravity foamed clay (expanded clay) and low specific gravity foamed shale (expanded shale) is included, and the reason for including such a material will be explained below.

Conventionally, various fillers (aggregates) have been used to reduce the weight of cured bodies.

Examples include lightweight and fine materials such as shirasu balloons, perlite, and organic foam. However, although these materials have good heat insulating properties, they have low compressive strength, so they cannot be used when producing a lightweight cured body by hot-press molding or when using a lightweight cured body as a structural material. If resin or cement is used as a binding material and a filler with low compressive strength is used, the filler will collapse when pressure is applied to it during hot-press molding or the like. On the other hand, foamed clay and foamed shale are inexpensive, have a spherical shape, and have many soft foams wrapped in a hard skin of iron oxide, so they have high strength including compressive strength and a high water absorption capacity. It also has relatively little VC and is rich in heat insulation and fire resistance. Furthermore, since foamed clay has a porous surface, it blends well with the binder, so it is convenient for manufacturing when foamed clay is used as a filler. However, except for special types, expanded shale is rather heavy and has a specific gravity of more than 1, so it is not suitable for producing lightweight hardened bodies.

Furthermore, foamed clay with a specific gravity exceeding 1 is not suitable for producing lightweight hardened bodies. Therefore, in the lightweight hardened body according to the present invention, it was decided to use foamed clay of low specific gravity and foamed shale (special expanded shale) of low specific gravity. The specific gravity is preferably about 9.3 to 0.7.

Table 2 shows the results of comparing the performance of conventionally used quantification fillers (aggregates) such as shirasu balloons, and low specific gravity foamed clay and low specific gravity foamed shale. However, ○ means superiority, and × means inferiority.

(Left below) Low-density foamed clay and low-density foamed shale are inexpensive and have excellent performance as shown in Table 2, so they can be used as fillers. This results in a lightweight cured product that is inexpensive and has excellent performance, as shown in Table 1. In addition, foamed clay with a low ratio ■ and foamed shale with a low specific gravity have high compressive strength even though they themselves have a high compressive strength.
Up to 2) It can be used even when it is made by &C, and it can be used even when a single-quantity cured product is used as a structural material. Furthermore, production is easy because a sufficiently light light-m cured product can be obtained without using a VC, single comb structure, or rib structure.

In addition, when using foamed clay of low specific gravity as a filler, it is more preferable that the specific gravity is 0.3 to 0.6, and the particle size is preferably medium (about 7 to 8 mm) or smaller. As the low specific gravity foamed clay, Liapol manufactured by West Germany and Leca manufactured by Denmark are preferably used. 47Ic-
As a special material, there is a super @ gate aggregate pilton manufactured by Sumitomo Metal Mining Co., Ltd., which may also be used.

In some cases, the lightweight hardened 14i4, low specific gravity foamed clay, and low ratio 1" foamed shale may also contain fillers, aggregates, and reinforcing materials.

1 to 4 show the structure of an embodiment of the lightweight cured body according to the present invention. DI'S1 diagram t-t' shows the basic structure of the light T4 cured product, in which the VC filler 2 is completely dispersed in the binder l. However, [7, Conclusion, ^Material 1 is resin (resin concrete composition 1 foamable organic matter is rubbed)
The filler material 2 is at least one of low specific gravity foamed clay and low specific gravity foamed shale. Second
Figures 3 and 3 show a lightweight hardened material containing glass fiber reinforcing material 3 for reinforcement.
The lightweight hardening material shown in the figure is VC (bonding material 1) and filler 2.
is dispersed throughout the entire surface, and the reinforcing material 3 is unevenly distributed near the surface. In the light h1 hardening material of FIG. 3, the filler 2 and reinforcing material 3 are both dispersed in the overall Q. FIG. 4 shows a lightweight hardened material containing a metal lath 4 for reinforcement, in which the filler 2 is dispersed throughout the binding material l, and the two metal laths are bonded together. 3,3 are embedded just below both surfaces. As shown in FIGS. 2 to 4, by including a reinforcing material in the lightweight cured body, it becomes possible to further increase the strength and reduce the thickness of the lightweight cured body.

The 4-layer hardened body according to the present invention is constructed as described above, and contains a filler and at least one of low specific gravity foamed clay and low specific gravity foamed shale, 41M' compared to concrete panels etc.
(specific gravity 0.5 to 0.7), and is durable enough to be used as a structural member. In addition, it has excellent planting performance, is easy to manufacture, and can be produced at a very low cost. Sara V
It is also possible to produce this by pressure molding.

An example of manufacturing the @M cured product according to the present invention will be shown below.

(A-Building Example 1) The following raw materials were mixed and a lightweight cured body was produced by hot-press molding.

Fukonino-1 Shikika + ni 7 Road! The molding conditions for a total of 100 weights and 1 part are shown below.

Temperature 120-170”c pressure
Force 5~: (Okg/cm”
Time: 5 to 2 minutes - The resulting light cured structure is shown in Figure 1.

(Production Example 2) Next, mix the raw materials shown in VC and mold under the same molding conditions as Production Example 1! ! - A cured product was made.

Phenol tvj 1111 7 5'r
i It iB foamed clay (low specific gravity 144.3 glass fibers for eyelids 5 parts total 100 parts by weight) The structure of the obtained lightweight cured product is shown in FIG.

(Production Example 3) The raw materials shown below were mixed, and the resulting mixture was cured and cured to produce a lightweight cured product.

Polyester foam fat 15 parts by weight Cement 42.5 parts by weight Foamed clay (low specific gravity) 42.5 parts by weight Water 1
2 Parts by Weight Total 112 Parts by Weight The curing conditions are shown below.

After molding, leave it for 1 to 3 hours and then leave it for 8 to 24 hours in an atmosphere with a humidity of 80 to 1004.
Time curing (Production Example 4) The raw materials shown below were mixed and the resulting mixture was molded [7], and then cured and cured to produce a light cured product. However, the curing conditions were the same as in Production Example 3.

Polynisal (support) resin 151m Yaribe cement 4 () Heavy loading area foamed clay (low specific gravity also σ)) 40 heavy loading area Alkali resistant gaff fiber
5 Ji seam total tio+ihi part (Manufacturing Example 5) Next, the raw material A4 shown in i was mixed, and the obtained color mixture was molded for 1.7'c and then cured at room temperature to produce a lightweight cured product.

Expandable polynisal I<1. i 11 effect 15-fold pupil part (polyester foam) foamed clay (low specific gravity) 851 pupil part hi 10
0 +M td part (Manufacturing example (i)) Next, mix the raw materials with the following mixture and mold the mixture into 4.1. The sclerotic body is stirring.

Foaming polyester resin 15 stacked parts (polyester foam book) Foamed clay (low specific gravity) 801 Shokuto total 100ff
i pupil area

[Brief explanation of the drawing]

Figures 1 to 4 show examples of the lightweight cured body according to the present invention. l... Binding material 2... Filler (low specific gravity foamed clay or low specific gravity foamed shale) Patent use 1□i 1 person Matsushita Electric Works Co., Ltd. agent Patent attorney +X (Takehiko Moto Figure 1 Figure 2 Figure 3 Figure 4

Claims (5)

[Claims] (1) A lightweight hardened body using at least one of resin and cement as a binder, characterized by containing at least one of low specific gravity foamed clay and low specific gravity foamed shale as a filler. Lightweight hardened body. (2) The lightweight hardened body according to claim 1, wherein the foamed clay has a specific gravity of 0.3 to 0.7. (3) The lightweight hardened body according to claim 1, wherein the foamed shale has a specific gravity of 0.3 to 0.7. (4) The cured product according to claim 1 or 2, wherein the expanded clay has a particle size of 8 mm or less. (5) The lightweight cured body according to any one of claims 1 to 4, which is plate-shaped.