JPH0761853A - Formed article produced by using borax - Google Patents

Formed article produced by using borax

Info

Publication number
JPH0761853A
JPH0761853A JP24587493A JP24587493A JPH0761853A JP H0761853 A JPH0761853 A JP H0761853A JP 24587493 A JP24587493 A JP 24587493A JP 24587493 A JP24587493 A JP 24587493A JP H0761853 A JPH0761853 A JP H0761853A
Authority
JP
Japan
Prior art keywords
borax
water
content
molded product
formed article
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP24587493A
Other languages
Japanese (ja)
Inventor
Kimiya Toyama
公也 外山
Seiji Shinkai
誠司 新開
Yukito Muraguchi
幸人 村口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inax Corp
Original Assignee
Inax Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inax Corp filed Critical Inax Corp
Priority to JP24587493A priority Critical patent/JPH0761853A/en
Publication of JPH0761853A publication Critical patent/JPH0761853A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B30/00—Compositions for artificial stone, not containing binders
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/0013—Boron compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00

Abstract

PURPOSE:To obtain a formed article having excellent shape-retaining strength in a room-temperature environment and even in unburned state by adjusting borax or a mixture of borax and a granular material to a specific water content. CONSTITUTION:This formed article is produced by adjusting the water-content of borax or a mixture of borax and a granular material to a water-content of 10-25%. A formed article having excellent shape-retaining strength represented by a flexural strength of >=20MPa can be produced by a dry-forming process by adjusting the water-content of a borax-containing formed article to 10-25% and solidifying the borax. After adjusting the water-content to 10-25%, the water-content is maintained within the above range even by leaving standing in a room-temperature environment and the flexural strength is maintained to >=20MPa even in unburned state. The article formed by this process can be used as an interior decoration, clay pigeon for trapshooting, tee for golf, etc.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、室温環境下で且つ未焼
成で、ある程度の強度を有する成形物を得るようにした
硼砂を用いた成形物に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molded product using borax, which can be molded in a room temperature environment and has not been fired to have a certain strength.

【０００２】[0002]

【従来の技術】従来において、室温環境下で且つ未焼成
で、ある程度の強度を有する成形物としては、粘土細工
によるものが周知である。粘土は水分を多く含む状態で
は可塑性を有し、乾燥させると剛性を増し、焼成すると
金属のような強度を有するようになる。従って、水分の
多い可塑性を有する状態においては任意の形状に成形す
ることが可能である。そして、これを乾燥させること
で、室温環境下において且つ未焼成であっても、ある程
度の強度を有する成形物を得ることが可能である。2. Description of the Related Art Heretofore, as a molded product which has a certain degree of strength in a room temperature environment and has not been fired, a clay work is well known. Clay has plasticity when it contains a large amount of water, increases rigidity when dried, and has strength like metal when fired. Therefore, it can be molded into an arbitrary shape when it has a high water content and plasticity. Then, by drying this, it is possible to obtain a molded product having a certain degree of strength in a room temperature environment and even when it is unbaked.

【０００３】[0003]

【発明が解決しようとする課題】ところが、室温環境下
において未焼成の粘土は、曲げ強度が１０ＭＰａにしか
ならず、机の上から床に落下させたりすると、損壊して
しまうという欠点があった。つまり、保形性強度が不足
していた。However, the unfired clay in a room temperature environment has a bending strength of only 10 MPa, and has a drawback that it will be damaged if dropped from a desk to the floor. That is, the shape retention strength was insufficient.

【０００４】[0004]

【課題を解決するための手段】本発明は従来の前記課題
に鑑みてこれを改良除去したものであって、室温環境下
で且つ未焼成であっても保形性強度に優れた成形物を提
供せんとするものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems and has been improved and removed. A molded product excellent in shape retention strength even in a room temperature environment and unbaked is provided. It is intended to be provided.

【０００５】而して、前記課題を解決するために本発明
が採用した第一の手段は、硼砂の含水率を１０〜２５％
になるように調整したことを特徴とする硼砂を用いた成
形物である。The first means adopted by the present invention to solve the above problems is to adjust the water content of borax to 10 to 25%.
It is a molded product using borax which is characterized in that

【０００６】また第二の手段は、粒子状物に硼砂を加え
て含水率を１０〜２５％になるように調整したことを特
徴とする硼砂を用いた成形物である。The second means is a molded product using borax characterized in that borax is added to the particulate matter to adjust the water content to 10 to 25%.

【０００７】[0007]

【作用】本発明の第一及び第二のいずれの手段も、硼砂
を含む成形物の含水率が１０〜２５％の範囲になるよう
に調整している。この範囲の含水率では、硼砂は水和作
用によって固形化し、曲げ強度が２０ＭＰａ以上もある
優れた保形性強度を有する。含水率を前記範囲に設定し
た理由は、含水率が１０％を下回る場合は塑性限界に至
らないために強度不足となり、また含水率が２５％を越
える場合は液性限界に達し、保形性を失うからである。In both the first and second means of the present invention, the molding containing borax is adjusted so that the water content is in the range of 10 to 25%. With a water content in this range, borax is solidified by the hydration action and has an excellent shape-retaining strength with a bending strength of 20 MPa or more. The reason for setting the water content in the above range is that when the water content is less than 10%, the plastic limit is not reached and the strength becomes insufficient, and when the water content exceeds 25%, the liquidity limit is reached and the shape retention is improved. Is lost.

【０００８】一旦、含水率を１０〜２５％になるように
調整した後は、室温環境下で放置していても含水率が前
記範囲から逸脱することはなく、曲げ強度２０ＭＰａを
維持することが可能である。これは自然石と殆ど同じ強
度である。従って、本発明の成形物は、未焼成であって
も室温環境下で十分な曲げ強度を有することができ、室
内装飾物等として利用可能である。Once the water content has been adjusted to 10 to 25%, the water content does not deviate from the above range even if it is allowed to stand in a room temperature environment, and a bending strength of 20 MPa can be maintained. It is possible. It has almost the same strength as natural stone. Therefore, the molded product of the present invention can have a sufficient bending strength in a room temperature environment even if it is not fired, and can be used as an interior decoration or the like.

【０００９】また前記成形物は、水を加えてその含水率
が２５％を越えるようにすることで、崩壊を始め、硼砂
は水に融けて流失する。硼砂が無害のものであることは
周知である。そのため、第一の手段では成形物が跡形も
無くなってしまい、また珪砂を使用する第二の手段では
珪砂のみが残ることになる。The molded product begins to disintegrate when water is added so that the water content exceeds 25%, and the borax melts into water and is washed away. It is well known that borax is harmless. For this reason, the first means eliminates the traces of the molded product, and the second means using silica sand leaves only silica sand.

【００１０】それ故、この成形物をクレー射撃用の標的
又はゴルフ用のティー等に使用すれば、雨水等により成
形物自体は流失するか又は珪砂のみが残ることとなり、
土に返ることのできる地球環境的にやさしい成形物を提
供することが可能である。また室内装飾物として半永久
的な使用も可能である。Therefore, if this molded product is used as a target for clay shooting, a golf tee, or the like, the molded product itself will be washed away by rainwater or the like, or only silica sand will remain.
It is possible to provide a globally environmentally friendly molded product that can be returned to soil. It can also be used semi-permanently as an upholstery.

【００１１】[0011]

【実施例】以下に、本発明の構成を図面に示す実施例に
基づいて説明すると次の通りである。図１は本発明の第
一の手段に係る成形物の製造フローチャートを示すもの
である。同図に示す如く、この実施例にあっては、硼砂
のみを３０ｗｔ％準備し、これに水７０ｗｔ％を加えて
ボールミルで１６時間細磨し、泥漿を得ている。そし
て、得られた泥漿を容器に入れ、エアバスにて乾燥さ
せ、更にデシンターを通過させて粉砕して造粒してい
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of the present invention will be described below with reference to the embodiments shown in the drawings. FIG. 1 is a flow chart for manufacturing a molded product according to the first means of the present invention. As shown in the figure, in this example, 30 wt% of borax alone was prepared, 70 wt% of water was added thereto, and finely ground with a ball mill for 16 hours to obtain slurry. Then, the obtained sludge is put in a container, dried by an air bath, and further passed through a decinter to be crushed and granulated.

【００１２】然る後は、前記造粒された粒子をプレス成
形型内へ充填し、乾式にて４０×１０×３ｍｍの大きさ
のペレート状にプレス成形した。そして最後に、含水率
が１０〜２０％になるように乾燥若しくは水分を添加し
て調整した。これにより、前記成形物は硼砂の粒子どう
しが結合して固形化し、曲げ強度２０ＭＰａを確保する
ことが可能であった。このようにして得られた成形物
は、水を加えて含水率が２５％を越えるようにすること
で水の中へ融け出して流失する。また６０℃以上に加熱
することで、成形物は崩壊するようになり、保形性を失
うようになる。After that, the granulated particles were filled in a press mold and press-molded in a dry form into a pellet of 40 × 10 × 3 mm. And finally, it was dried or adjusted by adding water so that the water content became 10 to 20%. As a result, the borax particles were bonded to each other and solidified in the molded product, and it was possible to secure a bending strength of 20 MPa. The molded product thus obtained melts into the water and is washed away by adding water so that the water content exceeds 25%. Further, by heating to 60 ° C. or higher, the molded product becomes disintegrated and loses its shape retention property.

【００１３】図２は本発明の第二の手段に係る成形物の
製造フローチャートを示すものである。この第二の手段
にあっては、硼砂３５ｗｔ％と、珪砂１５ｗｔ％と、水
５０ｗｔ％とを混合してボールミルで１６時間細磨し、
平均粒径が１０〜２０μｍ以下の泥漿を得るようにして
いる。その後の製造要領は、前記図１の場合と同じであ
る。この場合の得られた成形物の曲げ強度は、２２ＭＰ
ａであった。FIG. 2 shows a flow chart for manufacturing a molded article according to the second means of the present invention. In the second means, 35 wt% of borax, 15 wt% of silica sand and 50 wt% of water are mixed and finely ground in a ball mill for 16 hours,
An average particle size of 10 to 20 μm or less is obtained. The subsequent manufacturing procedure is the same as in the case of FIG. The bending strength of the obtained molded product in this case is 22MP.
It was a.

【００１４】この第二の手段の実施例で得られた成形物
は、水を加えて含水率が２５％を越えるようにすること
で硼砂は水の中へ融け出して流失し、珪砂等の鉱物はそ
のままの粒子の状態で残る。また６０℃以上に加熱する
ことで、成形物の全体が崩壊するようになる。従って、
地球環境的には全く無害のやさしい成形物を提供するこ
とが可能である。In the molded product obtained in the example of the second means, by adding water so that the water content exceeds 25%, the borax is melted into the water and washed away, and silica sand or the like is discharged. The mineral remains in its original particle state. Further, by heating to 60 ° C. or higher, the entire molded product will collapse. Therefore,
It is possible to provide a molded product that is completely harmless to the global environment.

【００１５】ところで、本発明は上述した実施例に限定
されるものではなく、硼砂に加える鉱物としては、珪砂
以外のアルミナ，ジルコン，石灰，粘土等の鉱物を使用
することも可能である。また顔料を添加することによ
り、様々な色付きの成形物を成形することも可能であ
る。By the way, the present invention is not limited to the above-mentioned embodiments, and minerals other than silica sand such as alumina, zircon, lime and clay can be used as minerals added to borax. It is also possible to mold various colored molded products by adding a pigment.

【００１６】[0016]

【発明の効果】以上説明したように本発明にあっては、
硼砂を含む成形物の含水率を１０〜２５％の範囲に調整
することにより、硼砂を固形化させ、曲げ強度が２０Ｍ
Ｐａ以上もある優れた保形性強度の成形物を乾式成形す
ることが可能である。含水率を１０〜２５％になるよう
に調整した後は、室温環境下で放置していても含水率が
前記範囲から逸脱することはなく、未焼成であっても曲
げ強度２０ＭＰａ以上を維持することが可能である。こ
のようにして成形された成形物は、室内装飾物やクレー
射撃の標的やゴルフのティー等として利用することが可
能である。As described above, according to the present invention,
By adjusting the water content of the molded product containing borax in the range of 10 to 25%, the borax is solidified and the bending strength is 20M.
It is possible to dry-mold a molded product having an excellent shape-retaining strength of Pa or more. After adjusting the water content to be 10 to 25%, the water content does not deviate from the above range even if it is left to stand in a room temperature environment, and a bending strength of 20 MPa or more is maintained even if it is unfired. It is possible. The molded product thus molded can be used as an interior decoration, a target for clay shooting, a golf tee, or the like.

【００１７】また前記成形物は、水を加えてその含水率
が２５％を越えるようにすることで、崩壊させることが
できる。しかも、硼砂は水に融けて流失するので、成形
物が跡形も無くなってしまい、地球環境的にも無害であ
る等の利点を有している。The molded product can be disintegrated by adding water so that the water content exceeds 25%. In addition, since borax is melted in water and washed away, the molded product loses its traces, which is advantageous in that it is harmless to the global environment.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の第一の手段の製造フローチャートであ
る。FIG. 1 is a manufacturing flowchart of the first means of the present invention.

【図２】本発明の第二の手段の製造フローチャートであ
る。FIG. 2 is a manufacturing flowchart of the second means of the present invention.

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】硼砂の含水率を１０〜２５％になるように
調整したことを特徴とする硼砂を用いた成形物。1. A molded product using borax, wherein the water content of borax is adjusted to be 10 to 25%. 【請求項２】粒子状物に硼砂を加えて含水率を１０〜２
５％になるように調整したことを特徴とする硼砂を用い
た成形物。2. A water content of 10 to 2 by adding borax to the particulate matter.
A molded product using borax, which is adjusted to be 5%.
JP24587493A 1993-08-24 1993-08-24 Formed article produced by using borax Pending JPH0761853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24587493A JPH0761853A (en) 1993-08-24 1993-08-24 Formed article produced by using borax

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24587493A JPH0761853A (en) 1993-08-24 1993-08-24 Formed article produced by using borax

Publications (1)

Publication Number Publication Date
JPH0761853A true JPH0761853A (en) 1995-03-07

Family

ID=17140095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24587493A Pending JPH0761853A (en) 1993-08-24 1993-08-24 Formed article produced by using borax

Country Status (1)

Country Link
JP (1) JPH0761853A (en)

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