JPH11209156A - Water-resistant lightweight clay - Google Patents
Water-resistant lightweight clayInfo
- Publication number
- JPH11209156A JPH11209156A JP10021587A JP2158798A JPH11209156A JP H11209156 A JPH11209156 A JP H11209156A JP 10021587 A JP10021587 A JP 10021587A JP 2158798 A JP2158798 A JP 2158798A JP H11209156 A JPH11209156 A JP H11209156A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- water
- synthetic resin
- clay
- resin
- 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
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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/06—Acrylates
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、手工芸用等に使用
される耐水性軽量粘土に関するものである。TECHNICAL FIELD The present invention relates to a water-resistant lightweight clay used for handicrafts and the like.
【０００２】[0002]
【従来の技術】従来より、手工芸用等に使用される軽量
粘土としては、軽量微小中空球体に糊剤、繊維粉、水な
どを配合して得られる粘土などが広く知られている。こ
の一例としては、特公平６ー７０７３４号公報には、塩
化ビニリデン、アクリロニトリルなどの共重合物で微小
中空球状に形成された軽量微小素材を主成分とし、これ
に合成粘結剤と馴合液剤と添加物とを配合してなる軽量
粘土が提案され、粘土の軽量化が図られている。2. Description of the Related Art Conventionally, as a lightweight clay used for handicrafts and the like, a clay obtained by blending a paste, fiber powder, water and the like into a lightweight fine hollow sphere has been widely known. As an example of this, Japanese Patent Publication No. Hei 6-70734 discloses that as a main component, a lightweight fine material formed into a minute hollow sphere by a copolymer such as vinylidene chloride and acrylonitrile, and a synthetic binder and a mixing liquid agent are added thereto. Lightweight clays that are blended with additives have been proposed, and the weight of the clays has been reduced.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、このよ
うな軽量粘土は、これを用いて制作した後は、焼成する
ことなく、自然乾燥するだけで放置されるのであるが、
放置により水等の馴合液剤が徐々に蒸散して硬化し、柔
軟性がなくなり、折れやすくなるなどの変形耐久性がな
くなるのみならず、水にぬれたりすると、色落ちした
り、粘土表面がべとついたり、変形したりするなどし
て、制作された作品が変化して安定に維持することがで
きなくなり、長期間の保存が困難であった。However, after such a lightweight clay is produced using it, it is left without being fired and only dried naturally.
When left unattended, water and other compatible liquids gradually evaporate and harden, losing their flexibility and losing their deformability. The created work was changed and could not be maintained stably due to the fact that it was distorted or deformed, and it was difficult to store it for a long time.
【０００４】そこで、制作された作品を長期間保存する
には、作品の表面に市販の耐水性液剤をスプレーした
り、耐水性のニスなどの塗料をコーティングなどする必
要があり、粘土独自の自然な仕上がりを表現することは
難しかった。また、この粘土を用いて造形する際に、粘
土板に板状にのばすときには、どうしてもぼそつきが出
てしまい、思いどおりの形にのばせず、造形性に劣る欠
点があった。[0004] In order to preserve the produced work for a long period of time, it is necessary to spray a commercially available water-resistant liquid or coat a paint such as a water-resistant varnish on the surface of the work. It was difficult to express a perfect finish. Further, when the clay is molded using the clay, when the clay is stretched in a plate shape, the clay is inevitably loosened, and the shape cannot be stretched as desired, and the moldability is poor.
【０００５】本発明は、かかる現状に鑑み、耐水性に優
れ、長期間の保存が可能であり、しかも乾燥後の変形に
対する耐久性も優れている耐水性軽量粘土を提供するこ
とを目的とするものである。The present invention has been made in view of the above circumstances, and has as its object to provide a water-resistant lightweight clay which has excellent water resistance, can be stored for a long period of time, and has excellent durability against deformation after drying. Things.
【０００６】[0006]
【課題を解決するための手段】本発明は、合成樹脂粉
末、粒径２０〜１２０μｍの合成樹脂微小中空球体、収
縮防止用充填剤および水とからなることを特徴とする耐
水性軽量粘土である。SUMMARY OF THE INVENTION The present invention is a water-resistant lightweight clay comprising synthetic resin powder, synthetic resin fine hollow spheres having a particle size of 20 to 120 .mu.m, a filler for preventing shrinkage, and water. .
【０００７】[0007]
【発明の実施の形態】本発明に使用する合成樹脂粉末の
樹脂は、酢酸ビニルなどのビニルエステル系樹脂、アク
リル系樹脂、オレフィン系樹脂などのエチレン性不飽和
単量体の重合体であって、例えばビニルエステル系樹脂
としては、酢酸ビニル系樹脂、プロピオン酸ビニル系樹
脂、バーサチック酸ビニル系樹脂などであり、ポリ酢酸
ビニル、ポリ変性酢酸ビニル、エチレン酢酸ビニル共重
合樹脂、酢酸ビニル・バーサチック酸ビニル共重合樹
脂、酢酸ビニル・アクリル酸共重合体、酢酸ビニル・ア
クリル酸エステル共重合体、酢酸ビニル・メタクリル酸
共重合体、酢酸ビニル・メタクリル酸エステル共重合
体、酢酸ビニル・アクリルアミド共重合体、酢酸ビニル
・ジエン系共重合体などの酢酸ビニル系樹脂が特に望ま
しい。アクリル系樹脂としては、ポリアクリル酸エステ
ル、ポリメタクリル酸エステル、ポリアクリルアミド、
アクリル酸エステル・スチレン共重合体などのアクリル
酸エステル共重合体、メタクリル酸エステル・スチレン
共重合体などのメタクリル酸エステル共重合体、アクリ
ルアミド共重合体等のアクリル系樹脂が望ましい。BEST MODE FOR CARRYING OUT THE INVENTION The resin of the synthetic resin powder used in the present invention is a polymer of an ethylenically unsaturated monomer such as a vinyl ester resin such as vinyl acetate, an acrylic resin and an olefin resin. For example, vinyl ester resins include vinyl acetate resins, vinyl propionate resins, vinyl versatate resins, and the like.Polyvinyl acetate, poly-modified vinyl acetate, ethylene-vinyl acetate copolymer resin, vinyl acetate / versatic acid Vinyl copolymer resin, vinyl acetate / acrylic acid copolymer, vinyl acetate / acrylic acid ester copolymer, vinyl acetate / methacrylic acid copolymer, vinyl acetate / methacrylic acid ester copolymer, vinyl acetate / acrylamide copolymer A vinyl acetate resin such as a vinyl acetate-diene copolymer is particularly desirable. As acrylic resin, polyacrylate, polymethacrylate, polyacrylamide,
Acrylic resins such as acrylate copolymers such as acrylate / styrene copolymers, methacrylate ester copolymers such as methacrylate / styrene copolymers, and acrylamide copolymers are desirable.
【０００８】前記合成樹脂粉末には、水に分散したさい
に容易にエマルジヨンとなるように、ポリビニルアルコ
ール系樹脂などが保護コロイド用として含まれているエ
マルジョン形成用の樹脂粉末であることが望ましい。合
成樹脂粉末の配合量は、粘土全量に対して２５〜５０重
量％、特に３０〜５０重量％が好ましい。合成樹脂粉末
の配合量が２５重量％未満では耐水性や変形耐久性が顕
著にでないおそれがあり、５０重量％を越えると、粘土
自体の保形性が失われ、造形性が損なわれるおそれがあ
る。The synthetic resin powder is desirably an emulsion-forming resin powder containing a polyvinyl alcohol-based resin or the like as a protective colloid so as to easily form an emulsion when dispersed in water. The compounding amount of the synthetic resin powder is preferably 25 to 50% by weight, particularly preferably 30 to 50% by weight based on the total amount of the clay. If the compounding amount of the synthetic resin powder is less than 25% by weight, water resistance and deformation durability may not be remarkable, and if it exceeds 50% by weight, the shape retention of the clay itself may be lost and the formability may be impaired. is there.
【０００９】本発明に使用する合成樹脂微小中空球体
は、低沸点の炭化水素等の液体を内包した合成樹脂製熱
膨張性微小球体を加熱することなどによって形成した中
空状の微小球体であって、その合成樹脂としては塩化ビ
ニリデン、アクリロニトリル、アクリル酸エステルなど
の各種の組合せの共重合体であることが望ましいが、こ
れに限らない。合成樹脂微小中空球体の粒径は２０〜１
２０μｍであることが望ましい。合成樹脂微小中空球体
の配合量としては、粘土全重量に対して１〜７重量％が
好ましく、１重量％未満では、粘土の軽量化が顕著でな
いおそれがあり、７重量％を越えると、粘土の手触りが
ふわふわしたものとなり、造形性が損なわれるおそれが
ある。The synthetic resin micro hollow sphere used in the present invention is a hollow micro sphere formed by heating a synthetic resin thermally expandable micro sphere containing a liquid such as a hydrocarbon having a low boiling point. The synthetic resin is preferably a copolymer of various combinations such as vinylidene chloride, acrylonitrile, and acrylate, but is not limited thereto. Particle diameter of synthetic resin micro hollow spheres is 20-1
Preferably, it is 20 μm. The compounding amount of the synthetic resin fine hollow spheres is preferably 1 to 7% by weight based on the total weight of the clay, and if it is less than 1% by weight, the weight of the clay may not be remarkably reduced. May become fluffy and the formability may be impaired.
【００１０】本発明に使用する収縮防止用充填剤は、粘
土成形後の乾燥時における収縮を防止するものであっ
て、タルク、炭酸カルシウムなどの無機粉体や小麦粉、
とうもろこし粉、タピオカ粉、馬鈴薯粉、甘藷粉、米
粉、サゴ粉などの澱粉質粉体などがあげられる。収縮防
止用充填剤の配合量としては、粘土全重量に対して８〜
２５重量％、特に１５〜２５重量％が好ましく、８重量
％未満では粘土乾燥時の収縮が大きくなるおそれががあ
り、２５重量％を越えると、手触りがぼそつき、造形性
が損なわれるおそれがある。The filler for preventing shrinkage used in the present invention is for preventing shrinkage during drying after clay molding, and includes inorganic powders such as talc and calcium carbonate, flour, and the like.
Starch powders such as corn flour, tapioca flour, potato flour, sweet potato flour, rice flour, sago flour and the like. The amount of the filler for preventing shrinkage is 8 to 10% based on the total weight of the clay.
If the amount is less than 8% by weight, the shrinkage during drying of the clay may increase. If the amount exceeds 25% by weight, the touch may be rough and the formability may be impaired. There is.
【００１１】本発明の粘土には、上記のもののほか、繊
維粉、糊剤、離型剤、界面活性剤、分散剤などの各種の
添加物を添加することができる。Various additives such as fiber powder, sizing agent, release agent, surfactant and dispersant can be added to the clay of the present invention in addition to the above-mentioned ones.
【００１２】上記の繊維粉としては、長さ０．５〜５．
５mm、特に１〜３mmの天然繊維、合成繊維などが望まし
い。配合量としては、粘土全重量の１〜４重量％が好ま
しい。The above fiber powder has a length of 0.5 to 5.
5 mm, especially 1 to 3 mm, natural fibers and synthetic fibers are desirable. The amount is preferably 1 to 4% by weight based on the total weight of the clay.
【００１３】上記の糊剤としては、カルボキシメチルセ
ルロース、ポリビニルアルコール、変性ポリビニルアル
コール、α澱粉などの各種の糊剤が使用できる。配合量
としては、粘土全重量に対して３〜７重量％が好まし
い。As the above-mentioned paste, various pastes such as carboxymethyl cellulose, polyvinyl alcohol, modified polyvinyl alcohol and α-starch can be used. The amount is preferably 3 to 7% by weight based on the total weight of the clay.
【００１４】離型剤、界面活性剤、分散剤などとして
は、ポリエチレングリコール、プロピレングリコールな
どの多価アルコール、流動パラフィン、シリコンオイ
ル、白色ワセリンなどの油脂類などがあげられる。これ
らの添加物の配合量としては、繊維粉、糊剤を使用しな
い場合も使用する場合も粘土全重量に対して４〜８重量
％が好ましい。なお、繊維粉、糊剤を使用する場合に
は、この４〜８重量％のほかに上記の配合量を添加す
る。Examples of the release agent, surfactant, dispersant, etc. include polyhydric alcohols such as polyethylene glycol and propylene glycol, and oils and fats such as liquid paraffin, silicone oil and white petrolatum. The compounding amount of these additives is preferably 4 to 8% by weight based on the total weight of the clay regardless of whether fiber powder or sizing agent is used. When using fiber powder and sizing agent, the above-mentioned amount is added in addition to 4 to 8% by weight.
【００１５】さらに、水の配合量としては、粘土全重量
に対して１５〜５５重量％、特に２０〜５０重量％が好
ましい。The amount of water is preferably 15 to 55% by weight, more preferably 20 to 50% by weight, based on the total weight of the clay.
【００１６】[0016]
【実施例】以下、本発明の実施例及び比較例を詳細に説
明することとする。Hereinafter, Examples and Comparative Examples of the present invention will be described in detail.
【００１７】実施例１ まず、エマルジョン形成用酢酸ビニル・ビニルエステル
共重合樹脂粉末（ヘキスト合成株式会社製モビニールパ
ウダーＷ３８０）４４ｇと、アクリロニトリル・塩化ビ
ニリデン共重合樹脂製微小中空粒子（松本油脂株式会社
製マツモトマイクロスフェアーＦー３０Ｅ，平均粒径２
０〜１２０μｍ，固形分１０〜１５重量％、水８５〜９
０重量％）２０ｇと、とうもろこし粉２５ｇ、界面活性
剤３ｇ、流動パラフィン３ｇと、水５ｇを容器に投入
し、攪拌機で約３０分混練して耐水性軽量粘土１００ｇ
を作成した。Example 1 First, 44 g of a vinyl acetate / vinyl ester copolymer resin powder for emulsion formation (Movinyl powder W380 manufactured by Hoechst Gosei Co., Ltd.) and fine hollow particles made of an acrylonitrile / vinylidene chloride copolymer resin (Matsumoto Yushi Co., Ltd.) Matsumoto Microsphere F-30E, average particle size 2
0-120 μm, solid content 10-15% by weight, water 85-9
0% by weight) 20 g, corn flour 25 g, surfactant 3 g, liquid paraffin 3 g, and water 5 g are put into a container, and kneaded with a stirrer for about 30 minutes to obtain 100 g of water-resistant lightweight clay.
It was created.
【００１８】得られた耐水性軽量粘土の吸水性及び耐水
性を以下の方法で測定した。耐水性軽量粘土を用いて
縦、横４０mm×４０mm、厚さ５mmの平板状の試験片を作
成した。試験片を温度５０±２℃の乾燥機に入れて２０
時間乾燥した後、２０±２℃に調整した室内のデシケー
タ内に入れ、室温になるまで冷却し、取り出して重量Ｗ
01を測定した。次に、試験片を温度２０±２℃で調整し
た水に水面下３±０．５cmとなるように網を被せて保持
した状態で１分間浸漬した後、試験片を取り出し、布で
表面に付着した水を拭き取り、外観を検査した後、試験
片の重量Ｗ11を測定し、次式により吸水率を算出した。
吸水率＝〔（Ｗ11ーＷ01）／Ｗ01〕×１００The water absorption and water resistance of the obtained water-resistant lightweight clay were measured by the following methods. Using a water-resistant lightweight clay, a flat test piece having a length of 40 mm × 40 mm and a thickness of 5 mm was prepared. Place the test specimen in a dryer at a temperature of 50 ± 2 ° C for 20 minutes.
After drying for an hour, put in a desiccator in a room adjusted to 20 ± 2 ° C., cool to room temperature, take out and weigh W
01 was measured. Next, the test piece was immersed in water adjusted at a temperature of 20 ± 2 ° C. for 1 minute while being covered with a net so as to be 3 ± 0.5 cm below the surface of the water, and then the test piece was taken out and placed on the surface with a cloth. wiping the adhered water, after inspecting the appearance, weighed W 11 specimens were calculated water absorption by the following equation.
Water absorption = [(W 11 over W 01) / W 01] × 100
【００１９】さらに、試験片を温度５０±２℃の乾燥機
に入れて１０分間乾燥した後、２０±２℃に調整した室
内のデシケータ内に入れ、室温になるまで冷却し、取り
出して重量Ｗ02を測定し、温度２０±２℃で調整した水
に水面下３±０．５cmとなるように網を被せて保持した
状態で２分間浸漬した後、試験片を取り出し、布で表面
に付着した水を拭き取り、外観を検査した後、試験片の
重量Ｗ12を測定し、次式により吸水率を算出した。 吸
水率＝〔（Ｗ12ーＷ02）／Ｗ02〕×１００ 以上のようにして、水中に浸漬する時間を１分ずつ延ば
して外観検査と吸水率の測定試験を繰り返した。Furthermore, the test piece was placed in a dryer at a temperature of 50 ± 2 ° C., dried for 10 minutes, placed in a desiccator in a room adjusted to 20 ± 2 ° C., cooled to room temperature, taken out, and weighed W 02 was measured and immersed in water adjusted at a temperature of 20 ± 2 ° C for 2 minutes with a net covered so as to be 3 ± 0.5 cm below the surface of the water, then the test piece was taken out and attached to the surface with a cloth. wipe off water, after examining the appearance, the weight W 12 of the test piece was measured to calculate the water absorption by the following equation. Water absorption = [(W 12 −W 02 ) / W 02 ] × 100 As described above, the time of immersion in water was extended by one minute, and the appearance inspection and the water absorption measurement test were repeated.
【００２０】測定結果は、表１に示すように、繰り返し
測定した吸水率は、いずれも非常に小さく、優れた耐水
性を示すものであった。As shown in Table 1, as shown in Table 1, the water absorption rates measured repeatedly were very small, indicating excellent water resistance.
【００２１】次に、変形耐久性試験を以下の方法により
測定した。耐水性軽量粘土を用いて縦、横５０mm×３０
mm、厚さ２mmの平板状の試験片を作成した。試験片を温
度５０±２℃の乾燥機に入れて２０時間乾燥した後、２
０±２℃に調整した室内のデシケータ内に入れ、室温に
なるまで冷却し、取り出して、この長さ５０mmの試験片
の一端部の上に長さ２０mm、厚さ５mmのアクリル板を端
部が合致するのようにのせて固定し、アクリル板ののっ
ていない箇所の試験片（長さ２０mm）を持ち上げてアク
リル板ののっている箇所とのっていない箇所の境界線で
屈曲させ、試験片が折れた時点での屈曲角度を測定し
た。２回の平均値を算出した。測定結果は、表１に示す
ように、屈曲角度９０度でも折れなかった。Next, the deformation durability test was measured by the following method. Vertical and horizontal 50mm x 30 using water-resistant lightweight clay
A flat test piece having a thickness of 2 mm and a thickness of 2 mm was prepared. The test piece was placed in a dryer at a temperature of 50 ± 2 ° C. and dried for 20 hours.
Place in a desiccator in a room adjusted to 0 ± 2 ° C, cool to room temperature, take out, place an acrylic plate of 20 mm long and 5 mm thick on one end of this 50 mm long test piece. The test piece (length: 20 mm) at the place where the acrylic plate is not mounted is lifted up and bent at the boundary between the place where the acrylic plate is mounted and the place where it is not mounted. The bending angle at the time when the test piece was broken was measured. The average of two runs was calculated. As shown in Table 1, the measurement results did not break even at a bending angle of 90 degrees.
【００２２】[0022]
【表１】 [Table 1]
【００２３】実施例２ エマルジョン形成用酢酸ビニル・ビニルエステル共重合
樹脂粉末（ヘキスト合成株式会社製モビニールパウダー
Ｗ３８０）３０ｇと、アクリロニトリル・塩化ビニリデ
ン共重合樹脂製微小中空粒子（松本油脂株式会社製マツ
モトマイクロスフェアーＦー３０Ｅ）２５ｇと、タルク
１１ｇ、カルボキシメチルセルロース２ｇ、ポリビニル
アルコール３ｇと、溶解用パルプ２ｇと、界面活性剤３
ｇ、流動パラフィン３ｇ、水２１ｇを容器に投入し、攪
拌機で約３０分混練して耐水性軽量粘土１００ｇを作成
した。Example 2 30 g of vinyl acetate / vinyl ester copolymer resin powder for emulsion formation (Movinyl powder W380 manufactured by Hoechst Gosei Co., Ltd.) and micro hollow particles made of acrylonitrile / vinylidene chloride copolymer resin (Matsumoto Yushi Co., Ltd. Microsphere F-30E) 25 g, talc 11 g, carboxymethyl cellulose 2 g, polyvinyl alcohol 3 g, dissolving pulp 2 g, surfactant 3
g, 3 g of liquid paraffin, and 21 g of water were charged into a container, and kneaded with a stirrer for about 30 minutes to prepare 100 g of water-resistant lightweight clay.
【００２４】得られた耐水性軽量粘土の吸水性及び耐水
性を実施例１と同様にして測定したとろろ、測定結果
は、表１に示すように、繰り返し測定した吸水率は、い
ずれも非常に小さく、優れた耐水性を示すものであっ
た。次に、変形耐久性試験を実施例１と同様の方法によ
り測定したところ、測定結果は、表２に示すように、屈
曲角度９０度でも折れなかった。The water absorption and water resistance of the obtained water-resistant lightweight clay were measured in the same manner as in Example 1. The results of the measurement are shown in Table 1. It was small and showed excellent water resistance. Next, when the deformation durability test was measured by the same method as in Example 1, as shown in Table 2, the measurement result did not break even at a bending angle of 90 degrees.
【００２５】比較例１ エマルジョン形成用酢酸ビニル・ビニルエステル共重合
樹脂粉末（ヘキスト合成株式会社製モビニールパウダー
Ｗ３８０）を０ｇとし、アクリロニトリル・塩化ビニリ
デン共重合樹脂製微小中空粒子（松本油脂株式会社製マ
ツモトマイクロスフェアーＦー３０Ｅ）３６ｇ、とうも
ろこし粉４５ｇ、界面活性剤５ｇ、流動パラフィン５ｇ
と、水９ｇを容器に投入し、攪拌機で約３０分混練した
が、粘土状にならなかった。COMPARATIVE EXAMPLE 1 Fine hollow particles made of acrylonitrile / vinylidene chloride copolymer resin (manufactured by Matsumoto Yushi Co., Ltd.) were charged with 0 g of a vinyl acetate / vinyl ester copolymer resin powder for emulsion formation (Movinyl Powder W380 manufactured by Hoechst Gosei Co., Ltd.). Matsumoto Microsphere F-30E) 36 g, corn flour 45 g, surfactant 5 g, liquid paraffin 5 g
And 9 g of water were charged into the container and kneaded with a stirrer for about 30 minutes, but did not become clay-like.
【００２６】比較例２ エマルジョン形成用酢酸ビニル・ビニルエステル共重合
樹脂粉末（ヘキスト合成株式会社製モビニールパウダー
Ｗ３８０）を０ｇとし、アクリロニトリル・塩化ビニリ
デン共重合樹脂製微小中空粒子（松本油脂株式会社製マ
ツモトマイクロスフェアーＦー３０Ｅ）４０ｇ、タルク
１６ｇ、カルボキシメチルセルロース３ｇ、ポリビニル
アルコール４ｇ、溶解用パルプ２ｇ、界面活性剤４．５
ｇ、流動パラフィン４．５ｇ、水２６ｇを容器に投入
し、攪拌機で約３０分混練して軽量粘土１００ｇを作成
した。COMPARATIVE EXAMPLE 2 A vinyl acetate / vinyl ester copolymer resin powder for emulsion formation (Movinyl powder W380 manufactured by Hoechst Gosei Co., Ltd.) was set to 0 g, and acrylonitrile / vinylidene chloride copolymer resin minute hollow particles (manufactured by Matsumoto Yushi Co., Ltd.) Matsumoto Microsphere F-30E) 40 g, talc 16 g, carboxymethyl cellulose 3 g, polyvinyl alcohol 4 g, dissolving pulp 2 g, surfactant 4.5
g, 4.5 g of liquid paraffin and 26 g of water were charged into a container, and kneaded with a stirrer for about 30 minutes to prepare 100 g of lightweight clay.
【００２７】得られた粘土の吸水性及び耐水性を実施例
１と同様にして測定したところ、測定結果は、表１に示
すように、繰り返し測定した吸水率は、いずれも非常に
大きく、しかも４分でべとべとの状態となった。次に、
変形耐久性試験を実施例１と同様の方法により測定した
ところ、測定結果は、表１に示すように、屈曲角度１５
度で折れてしまった。The water absorption and water resistance of the obtained clay were measured in the same manner as in Example 1. As shown in Table 1, the results showed that the repeatedly measured water absorption was extremely large, and that It became sticky in 4 minutes. next,
When the deformation durability test was measured by the same method as in Example 1, the measurement result was, as shown in Table 1, as shown in Table 1.
It broke at a degree.
【００２８】[0028]
【発明の効果】以上の説明から明らかなように、本発明
によれば、耐水性、乾燥時における変形耐久性のいずれ
においても非常に優れた特性を示す耐水性軽量粘土を提
供することが可能となった。As is apparent from the above description, according to the present invention, it is possible to provide a water-resistant lightweight clay exhibiting extremely excellent properties in both water resistance and deformation durability during drying. It became.
Claims (1)
合成樹脂微小中空球体、収縮防止用充填剤および水とか
らなることを特徴とする耐水性軽量粘土。1. A water-resistant lightweight clay comprising synthetic resin powder, synthetic resin fine hollow spheres having a particle size of 20 to 120 μm, a filler for preventing shrinkage, and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10021587A JPH11209156A (en) | 1998-01-20 | 1998-01-20 | Water-resistant lightweight clay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10021587A JPH11209156A (en) | 1998-01-20 | 1998-01-20 | Water-resistant lightweight clay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11209156A true JPH11209156A (en) | 1999-08-03 |
Family
ID=12059181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10021587A Pending JPH11209156A (en) | 1998-01-20 | 1998-01-20 | Water-resistant lightweight clay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11209156A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002074862A1 (en) * | 2001-03-16 | 2002-09-26 | Toshiyuki Yamamuro | Light clay and process for producing the same |
| JP2006243303A (en) * | 2005-03-03 | 2006-09-14 | Hideyuki Kuwayama | Clay with excellent water resistance |
| JP2007331971A (en) * | 2006-06-14 | 2007-12-27 | Hideyuki Kuwayama | Clay having water resistance and adhesiveness |
| CN102863181A (en) * | 2012-09-21 | 2013-01-09 | 莆田市集友艺术框业有限公司 | Mud flower material for furniture or decorative material |
| JP2018513756A (en) * | 2015-02-17 | 2018-05-31 | エムシーエー・カンパニー・リミテッドＭｃａ Ｃｏ．， Ｌｔｄ． | New artificial clay composition containing hollow sphere and method for producing the same |
| JP2020166219A (en) * | 2019-03-31 | 2020-10-08 | 有限会社アドバンス | Clay for craft work |
| GB2613075A (en) * | 2021-10-18 | 2023-05-24 | Epoch Co Ltd | Creamy substance |
-
1998
- 1998-01-20 JP JP10021587A patent/JPH11209156A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002074862A1 (en) * | 2001-03-16 | 2002-09-26 | Toshiyuki Yamamuro | Light clay and process for producing the same |
| US6676743B2 (en) | 2001-03-16 | 2004-01-13 | Toshiyuki Yamamuro | Lightweight clay and manufacturing method thereof |
| EP1433819A1 (en) * | 2001-03-16 | 2004-06-30 | Toshiyuki Yamamuro | Light clay and process for producing the same |
| EP1433819A4 (en) * | 2001-03-16 | 2005-12-07 | Infua Co Ltd | Light clay and process for producing the same |
| JP2006243303A (en) * | 2005-03-03 | 2006-09-14 | Hideyuki Kuwayama | Clay with excellent water resistance |
| JP2007331971A (en) * | 2006-06-14 | 2007-12-27 | Hideyuki Kuwayama | Clay having water resistance and adhesiveness |
| CN102863181A (en) * | 2012-09-21 | 2013-01-09 | 莆田市集友艺术框业有限公司 | Mud flower material for furniture or decorative material |
| JP2018513756A (en) * | 2015-02-17 | 2018-05-31 | エムシーエー・カンパニー・リミテッドＭｃａ Ｃｏ．， Ｌｔｄ． | New artificial clay composition containing hollow sphere and method for producing the same |
| US10654310B2 (en) | 2015-02-17 | 2020-05-19 | Mca Co., Ltd. | Synthetic clay composition containing hollow sphere and method for preparing the same |
| JP2020166219A (en) * | 2019-03-31 | 2020-10-08 | 有限会社アドバンス | Clay for craft work |
| GB2613075A (en) * | 2021-10-18 | 2023-05-24 | Epoch Co Ltd | Creamy substance |
| GB2613075B (en) * | 2021-10-18 | 2024-07-17 | Epoch Co Ltd | Creamy substance |
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