JP2001026485A - Formed body of hydraulic composition - Google Patents
Formed body of hydraulic compositionInfo
- Publication number
- JP2001026485A JP2001026485A JP19900999A JP19900999A JP2001026485A JP 2001026485 A JP2001026485 A JP 2001026485A JP 19900999 A JP19900999 A JP 19900999A JP 19900999 A JP19900999 A JP 19900999A JP 2001026485 A JP2001026485 A JP 2001026485A
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- powder
- vinyl acetate
- copolymer resin
- average particle
- 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
Landscapes
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、水硬性組成物成形
体に関する。[0001] The present invention relates to a hydraulic composition molded article.
【０００２】[0002]
【従来の技術】従来から機械部品用材料としては、その
優れた種々の材料特性を生かして金属材料が幅広く利用
されているが、近年では技術の進歩により機械部品に対
するニーズも高まり、金属材料の欠点を補うべく、焼結
セラミックス、プラスチックス等の非金属材料を用いた
機械部品も多く利用されている。2. Description of the Related Art Conventionally, metal materials have been widely used as materials for mechanical parts by making use of their excellent various material properties. In order to make up for the drawbacks, many mechanical parts using non-metallic materials such as sintered ceramics and plastics are also used.
【０００３】しかしながら、技術革新が進む中で、従来
の材料では、多様なニーズに全て対応できないのが現状
であり、新たな特性を有する機械部品に使用できる材料
が求められている。However, with the progress of technological innovation, conventional materials cannot meet all of various needs at present, and materials that can be used for mechanical parts having new characteristics are demanded.
【０００４】この様な要望に応えるために、新たな材料
が開発されており、水硬性組成物により高強度の硬化体
を形成し、これを機械部品に適用する技術も各種開示さ
れている。例えば、特開昭６１−２１５２３９号公報に
は、セメント質物質と超微粉、高性能減水剤、水及び骨
材とを主成分とする組成物より形成された超高強度モル
タル、コンクリートが開示されている。また、特開昭６
２−５２１５７号公報には、セメント質配合物に金属粒
子を含有させて得られる高強度硬化体が記載され、特開
平３−１３７０４７号公報には、セメント質物質とポリ
マーとを複合したものが記載されている。しかしなが
ら、これらの硬化体については、セメント質硬化体の脆
性、加工性の問題から実用化されるには至っていない。In order to meet such demands, new materials have been developed, and various techniques for forming a high-strength cured body from a hydraulic composition and applying the same to machine parts have been disclosed. For example, Japanese Unexamined Patent Publication (Kokai) No. 61-215239 discloses an ultra-high-strength mortar and concrete formed from a composition mainly composed of a cementitious substance and an ultrafine powder, a high-performance water reducing agent, water and aggregate. ing. In addition, Japanese Unexamined Patent Publication
JP-A-2-52157 describes a high-strength cured product obtained by incorporating metal particles into a cementitious composition, and JP-A-3-137047 discloses a composite of a cementitious substance and a polymer. Has been described. However, these hardened materials have not been put to practical use due to the brittleness and workability of the hardened cementitious materials.
【０００５】この様な問題点を解決すべく、本発明者ら
は種々研究を行った結果、水硬性粉体と、水硬性粉体の
平均粒径より１桁以上小さい平均粒子径を有する非水硬
性粉体、加工性改良材、成形性改良材等とを組み合わせ
た水硬性組成物を用いて得られる成形体は、紙送りロー
ラー部品等の機械部品として使用可能な優れた特性を有
することを見出し、既に特許出願を行った（特願平１１
−２８１３７号、特願平１１−５９３１０号）。The inventors of the present invention have conducted various studies to solve such problems, and as a result, have found that hydraulic powders and non-hydraulic powders having an average particle diameter that is at least one order of magnitude smaller than the average particle diameter of the hydraulic powder. A molded article obtained by using a hydraulic composition in which a hydraulic powder, a workability improving material, a moldability improving material, etc. are combined has excellent properties that can be used as a machine component such as a paper feed roller component. And filed a patent application (Japanese Patent Application No.
-28137, Japanese Patent Application No. 11-59310).
【０００６】しかしながら、これらの水硬性組成物の硬
化体は、より高い耐摩耗性が要求される機械部品へ適用
するためには、表面硬度を更に向上させる必要がある。
また、機械部品に対するニーズは、耐摩耗性の他に、例
えば導電性、磁気特性、電磁波遮断性、熱遮断性等多岐
に亘っており、従来の水硬性組成物成形体ではこれらを
満足させることは不可能である。However, in order to apply these cured products of the hydraulic composition to mechanical parts requiring higher wear resistance, it is necessary to further improve the surface hardness.
In addition, the need for mechanical parts is not only abrasion resistance, but also, for example, conductivity, magnetic properties, electromagnetic wave shielding properties, heat shielding properties, etc., and the conventional hydraulic composition molded products satisfy these requirements. Is impossible.
【０００７】[0007]
【発明が解決しようとする課題】本発明の主な目的は、
水硬性組成物から得られる硬化体に、機械加工性能と耐
摩耗性を同時に付与し、耐摩耗性が要求される部位にも
適用可能であって、しかも成形加工が容易な水硬性組成
物成形体を提供することにある。SUMMARY OF THE INVENTION The main object of the present invention is to:
Hydraulic composition molding that imparts machining performance and abrasion resistance simultaneously to the cured product obtained from the hydraulic composition, can be applied to parts where abrasion resistance is required, and is easy to mold. Is to provide the body.
【０００８】本発明のその他の目的は、該水硬性組成物
から得られる成形体に、必要に応じて、更に、導電性、
電磁波遮蔽性、光学特性、熱遮蔽性、装飾性等の各種特
性を付与することにある。[0008] Another object of the present invention is to provide a molded article obtained from the hydraulic composition, if necessary, with an additional conductivity,
It is to provide various properties such as electromagnetic wave shielding property, optical property, heat shielding property, decorative property and the like.
【０００９】[0009]
【課題を解決するための手段】本発明者は、上記した如
き課題を達成すべく鋭意研究を重ねた結果、水硬性粉体
と、該水硬性粉体の平均粒径の１０分の１以下の平均粒
径を有する非水硬性粉体とからなる混合粉体に、加工性
改良剤を配合した水硬性組成物を加圧成形した後、養生
硬化させて得られる成形体は、優れた加工性、寸法安定
性等を有するものとなり、この成形体の表面にめっき層
を形成することによって、優れた機械加工性能と同時
に、耐摩耗性も向上した成形体を得ることができ、更
に、形成するめっき皮膜の種類を選択することによっ
て、該成形体に、導電性、磁気特性、電磁波遮断性、熱
遮断性等の各種の特性を付与することも可能となること
を見出し、ここに本発明を完成するに至った。Means for Solving the Problems The present inventor has conducted intensive studies to achieve the above-mentioned object, and as a result, has found that the hydraulic powder and one-tenth or less of the average particle size of the hydraulic powder are obtained. A molded product obtained by pressing a hydraulic composition obtained by blending a processability improver with a mixed powder comprising a non-hydraulic powder having an average particle size of and then curing and curing is excellent in processing. Properties, dimensional stability, etc., and by forming a plating layer on the surface of this molded product, it is possible to obtain a molded product having excellent wear resistance as well as excellent machining performance. It has been found that by selecting the type of plating film to be formed, it is also possible to impart various properties such as conductivity, magnetic properties, electromagnetic wave shielding properties, and heat shielding properties to the molded body. Was completed.
【００１０】即ち、本発明は、下記の水硬性組成物成形
体を提供するものである。 １．水硬性粉体、該水硬性粉体の平均粒径の１／１０以
下の平均粒径を有する非水硬性粉体、及び加工性改良剤
を含む水硬性組成物を加圧成形し、養生硬化させて得ら
れた成形体の表面に、金属皮膜又は金属化合物皮膜を設
けてなる水硬性組成物成形体。 ２．水硬性組成物が、水硬性粉体５０〜９０重量％と該
水硬性粉体の平均粒径の１／１０以下の平均粒径を有す
る非水硬性粉体１０〜５０重量％からなる混合粉体１０
０重量部、及び加工性改良剤２〜１８重量部を含有する
ものである上記項１に記載の水硬性組成物成形体。 ３．加工性改良剤が、酢酸ビニル樹脂、酢酸ビニルアク
リル共重合体樹脂、酢酸ビニルベオバ共重合体樹脂、酢
酸ビニルマレート共重合体樹脂、酢酸ビニルエチレン共
重合体樹脂、酢酸ビニルエチレン塩化ビニル共重合体樹
脂、アクリル共重合体樹脂、アクリルスチレン共重合体
樹脂、アクリルシリコーン共重合体樹脂、酢酸ビニルベ
オバ３元共重合体樹脂及びエポキシ樹脂から選ばれた少
なくとも１種類の樹脂である上記項１又は２に記載の成
形体。 ４．金属皮膜又は金属化合物皮膜が、湿式めっき、溶射
めっき、真空蒸着、スパッタリング、化学蒸着、イオン
プレーティング又は活性化反応性蒸着法によって、形成
されたものである上記項１〜３のいずれかに記載の水硬
性組成物成形体。 ５．成形体の養生方法が、自然養生、蒸気養生又はオー
トクレーブ養生である上記項１〜４のいずれかに記載の
水硬性組成物成形体。That is, the present invention provides the following hydraulic composition molded article. 1. A hydraulic composition comprising a hydraulic powder, a non-hydraulic powder having an average particle size of 1/10 or less of the average particle size of the hydraulic powder, and a hydraulic composition containing a processability improver is subjected to pressure curing and curing. A hydraulic composition molded article comprising a molded article obtained by providing a metal film or a metal compound film on the surface of the molded article. 2. Mixed powder in which the hydraulic composition comprises 50 to 90% by weight of hydraulic powder and 10 to 50% by weight of non-hydraulic powder having an average particle size of 1/10 or less of the average particle size of the hydraulic powder Body 10
Item 1. The hydraulic composition molded article according to Item 1, which contains 0 parts by weight and 2 to 18 parts by weight of a processability improver. 3. Processability improver, vinyl acetate resin, vinyl acetate acrylic copolymer resin, vinyl acetate veoba copolymer resin, vinyl acetate malate copolymer resin, vinyl acetate ethylene copolymer resin, vinyl acetate ethylene vinyl chloride copolymer resin, Item 3. The above item 1 or 2, which is at least one resin selected from an acrylic copolymer resin, an acrylic styrene copolymer resin, an acrylic silicone copolymer resin, a vinyl acetate veoba terpolymer resin and an epoxy resin. Molded body. 4. The metal film or the metal compound film according to any one of the above items 1 to 3, wherein the metal film or the metal compound film is formed by wet plating, thermal spray plating, vacuum deposition, sputtering, chemical vapor deposition, ion plating or activation reactive vapor deposition. Hydraulic composition molded article. 5. Item 5. The hydraulic composition molded product according to any one of Items 1 to 4, wherein the method for curing the molded product is natural curing, steam curing, or autoclave curing.
【００１１】[0011]
【発明の実施の形態】本発明では、成形体を製造するた
めの水硬性組成物として、水硬性粉体、非水硬性粉体及
び加工性改良剤を含む組成物を用いる。BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, a composition containing a hydraulic powder, a non-hydraulic powder and a processability improver is used as a hydraulic composition for producing a molded article.
【００１２】以下、本発明で用いる水硬性組成物に配合
する各成分、及び該組成物による成形体の製造方法につ
いて説明する。水硬性組成物 （１）水硬性粉体：本発明で用いる水硬性粉体とは、水
と接触して硬化する粉体であり、例えば、珪酸カルシウ
ム、カルシウムアルミネート、カルシウムフルオロアル
ミネート、カルシウムサルフォアルミネート、カルシウ
ムアルミノフェライト、リン酸カルシウム、半水又は無
水石膏、自硬性を有する生石灰等の各粉体、これらの粉
体の２種類以上の混合物粉体等を例示できる。その代表
例としては、ポルトランドセメント等の粉体を挙げるこ
とができる。水硬性粉体は、一種単独又は二種以上混合
して用いることができる。Hereinafter, each component to be added to the hydraulic composition used in the present invention and a method for producing a molded article using the composition will be described. Hydraulic composition (1) Hydraulic powder: The hydraulic powder used in the present invention is a powder that hardens upon contact with water, for example, calcium silicate, calcium aluminate, calcium fluoroaluminate, calcium Examples include powders such as sulfoaluminate, calcium aluminoferrite, calcium phosphate, hemihydrate or anhydrous gypsum, quicklime having self-hardening property, and powders of a mixture of two or more of these powders. A typical example thereof is powder such as Portland cement. The hydraulic powder can be used alone or in combination of two or more.
【００１３】該水硬性粉体は、平均粒径１０〜４０μｍ
程度のものが好ましく、成形体の強度に関する水硬性能
の確保上、プレーン比表面積が２５００ｃｍ2／ｇ以上
であることが好ましい。The hydraulic powder has an average particle size of 10 to 40 μm.
It is preferable that the plain specific surface area is 2500 cm 2 / g or more in order to secure hydraulic performance with respect to the strength of the molded body.
【００１４】水硬性粉体の配合量は、該水硬性粉体と非
水硬性粉体の合計量を１００重量％として、５０〜９０
重量％程度とすることが適当であり、６５〜７５重量％
程度とすることが好ましい。水硬性粉体の配合量が少な
すぎる場合には、強度、充填率等が低くなり、一方、水
硬性粉体の配合量が多くなりすぎると、成形体を得る場
合の充填率が低くなり、いずれの場合にも、機械加工時
の加工応力に耐えられない等の影響があるので好ましく
ない。 （２）非水硬性粉体 本発明で用いる非水硬性粉体とは、単体では水と接触し
ても硬化することのない粉体であり、アルカリ性若しく
は酸性状態、あるいは高圧蒸気雰囲気においてその成分
が溶出し、他の既溶出成分と反応して生成物を形成する
粉体も含む。非水硬性粉体の具体例としては、水酸化カ
ルシウム粉末、二水石膏粉末、炭酸化カルシウム粉末、
スラグ粉末、フライアッシュ粉末、珪石粉末、粘土粉
末、シリカフューム粉末等を挙げることができる。非水
硬性粉体は、一種単独又は二種以上混合して用いること
ができる。The compounding amount of the hydraulic powder is from 50 to 90 with the total amount of the hydraulic powder and the non-hydraulic powder being 100% by weight.
About 65% by weight.
It is preferable to set the degree. If the amount of the hydraulic powder is too small, the strength, the filling ratio, etc., will be low.On the other hand, if the amount of the hydraulic powder is too large, the filling ratio for obtaining a molded article will be low, In either case, it is not preferable because there is an effect such as inability to withstand the processing stress at the time of machining. (2) Non-hydraulic powder The non-hydraulic powder used in the present invention is a powder that does not harden even when it comes into contact with water by itself, and its components are in an alkaline or acidic state or a high-pressure steam atmosphere. Which elutes and reacts with other already-eluted components to form products. Specific examples of the non-hydraulic powder include calcium hydroxide powder, gypsum powder, calcium carbonate powder,
Slag powder, fly ash powder, silica stone powder, clay powder, silica fume powder and the like can be mentioned. The non-hydraulic powder can be used alone or as a mixture of two or more.
【００１５】これら非水硬性粉体は、上記水硬性粉体の
平均粒径の１／１０以下の平均粒径を有することが必要
であり、１／１００以下の平均粒径を有することが好ま
しい。粒径の下限値については、特に限定はなく、本発
明の効果を阻害しない範囲であればよいが、通常、水硬
性粉体の平均粒径の１／５００程度以上であることが好
ましく、これを下回ると流動性が低下して成形性が低下
し易い。この様な粒径の非水硬性粉体を用いることによ
って、成形体の成形時の充填率を高め、得られる成形体
の空隙率を減少させることが可能となり、成形体の寸法
安定性を向上させることができる。It is necessary that these non-hydraulic powders have an average particle diameter of 1/10 or less of the average particle diameter of the hydraulic powder, and preferably have an average particle diameter of 1/100 or less. . The lower limit of the particle size is not particularly limited and may be any range as long as the effect of the present invention is not impaired, but it is usually preferably about 1/500 or more of the average particle size of the hydraulic powder. If it is less than, the fluidity is reduced and the moldability is apt to be reduced. By using a non-hydraulic powder having such a particle size, it is possible to increase the filling rate during molding of the molded body, reduce the porosity of the molded body obtained, and improve the dimensional stability of the molded body. Can be done.
【００１６】非水硬性粉体の配合量は、水硬性粉体と非
水硬性粉体の合計量を１００重量％として、１０〜５０
重量％程度とすることが適当であり、２５〜３５重量％
程度とすることが好ましい。非水硬性粉体の配合量が少
なすぎる場合には、充填率が低くなり、一方、非水硬性
粉体の配合量が多くなりすぎると、強度及び充填率が低
くなり、いずれの場合にも、成形・硬化後の諸物性、例
えば、機械的加工時における欠けの発生、寸法安定性に
悪影響を及ぼすために好ましくない。機械的強度を考慮
すると、充填率が低くなり過ぎないように、非水硬性粉
体の配合量を調節することが好ましい。 （３）加工性改良剤：加工性改良剤とは、水硬性組成物
から形成される成形体の成形性、脱型性、切削・研削
性、研削精度等の向上に寄与する性質を有する材料であ
り、特に、切削・研削性、研削精度の向上に有効な材料
である。The compounding amount of the non-hydraulic powder is 10 to 50 with the total amount of the hydraulic powder and the non-hydraulic powder being 100% by weight.
It is suitable to be about 25% by weight.
It is preferable to set the degree. If the compounding amount of the non-hydraulic powder is too small, the filling rate is low, while if the compounding amount of the non-hydraulic powder is too large, the strength and the filling rate are low, and in any case, However, it is not preferable because various physical properties after molding and curing, for example, occurrence of chipping during mechanical processing and dimensional stability are adversely affected. In consideration of mechanical strength, it is preferable to adjust the blending amount of the non-hydraulic powder so that the filling rate does not become too low. (3) Workability improver: A workability improver is a material having properties that contribute to the improvement of moldability, mold release, cutting / grindability, grinding accuracy, etc. of a molded article formed from a hydraulic composition. In particular, it is an effective material for improving cutting / grindability and grinding accuracy.
【００１７】この様な加工性改良剤を含む水硬性組成物
によれば、加圧成形時に、加工性改良剤が成形助剤とし
ての機能を発揮することによって成形性が向上し、ま
た、加工性改良剤により、セメント系硬化体のもろさが
改良され、得られる成形体が脱型時に何ら損傷を受ける
ことなく脱型され、作業性の向上につながる。また、脆
性材料である水硬性組成物から得られる成形体は、切削
の際に亀裂型メカニズムの切削状態を呈し、材料の割
れ、欠け等が問題となるが、加工性改良剤を配合するこ
とによって、得られる成形体に固体材料としての機械加
工性を促すための靱性が付与され、成形体の割れ、欠け
等を防止することができる。このため、従来切削加工・
研削加工等の機械加工が困難であった水硬性組成物から
得られた成形体の加工性を金属材料と同レベルまで改良
することが可能となり、旋盤等による切削加工、円筒研
削機による研削加工を金属材料と同程度に行うことがで
き、所望の寸法に対してμｍオーダーの精密な加工が可
能となる。According to the hydraulic composition containing such a processability improver, the formability is improved by exhibiting the function of the processability improver as a molding aid during pressure molding. By the property improver, the fragility of the cement-based cured product is improved, and the obtained molded product is released from the mold without any damage at the time of demolding, leading to improvement in workability. In addition, a molded body obtained from a hydraulic composition which is a brittle material exhibits a cutting state of a crack type mechanism during cutting, and material cracking, chipping and the like become a problem, but a workability improving agent is compounded. Thereby, toughness for promoting machinability as a solid material is imparted to the obtained molded body, and cracking, chipping, and the like of the molded body can be prevented. For this reason, conventional
It is possible to improve the workability of molded products obtained from hydraulic compositions, which were difficult to machine such as grinding, to the same level as metal materials, cutting using a lathe, grinding using a cylindrical grinder Can be performed to the same degree as that of a metal material, and precise processing on the order of μm can be performed for desired dimensions.
【００１８】本発明で使用できる加工性改良剤として
は、例えば、酢酸ビニル樹脂、酢酸ビニルを含む共重合
体樹脂、アクリル樹脂、アクリルを含む共重合体樹脂、
スチレン樹脂、スチレンを含む共重合体樹脂、エポキシ
樹脂等を例示できる。これらの内で、酢酸ビニルを含む
共重合体樹脂としては、酢酸ビニルアクリル共重合体樹
脂、酢酸ビニルベオバ共重合体樹脂、酢酸ビニルマレー
ト共重合体樹脂、酢酸ビニルエチレン共重合体樹脂、酢
酸ビニルエチレン塩化ビニル共重合体樹脂、酢酸ビニル
ベオバ３元共重合体樹脂等を例示できる。アクリルモノ
マーを含む共重合体樹脂としては、アクリル−塩化ビニ
ル−酢酸ビニル共重合体樹脂、アクリルスチレン共重合
体樹脂、アクリルシリコーン共重合体樹脂等を例示でき
る。スチレンを含む共重合体樹脂としては、スチレンブ
タジエン共重合体樹脂等を例示できる。これらの加工性
改良剤は、一種単独又は二種以上混合して用いることが
できる。加工性改良剤は、粉末、エマルジョン等の形態
として使用でき、粒径は、通常、単一粒子径として、１
μｍ程度以下のものが好ましい。Examples of the processability improver usable in the present invention include vinyl acetate resins, copolymer resins containing vinyl acetate, acrylic resins, copolymer resins containing acrylic,
Examples thereof include styrene resins, copolymer resins containing styrene, and epoxy resins. Among these, as the copolymer resin containing vinyl acetate, vinyl acetate acrylic copolymer resin, vinyl acetate veoba copolymer resin, vinyl acetate malate copolymer resin, vinyl acetate ethylene copolymer resin, vinyl acetate ethylene chloride Examples thereof include a vinyl copolymer resin and a vinyl acetate veova terpolymer resin. Examples of the copolymer resin containing an acrylic monomer include an acryl-vinyl chloride-vinyl acetate copolymer resin, an acryl styrene copolymer resin, and an acryl silicone copolymer resin. Examples of the styrene-containing copolymer resin include a styrene-butadiene copolymer resin. These processability improvers can be used alone or in combination of two or more. The processability improver can be used in the form of a powder, an emulsion or the like, and the particle size is usually 1 as a single particle size.
Those having a size of about μm or less are preferable.
【００１９】加工性改良剤の配合量は、水硬性粉体と非
水硬性粉体の合計量１００重量部に対して、加工性改良
剤の固形分量として、２〜１８重量部程度とすることが
好ましく、５〜１５重量部程度とすることがより好まし
い。加工性改良剤の配合量が少なすぎる場合には、切削
加工性が悪くなるので好ましくない。一方、加工性改良
剤の配合量が多すぎると、成形性は向上するが、研削精
度や研削後の寸法安定性が低下するので好ましくない。成形体の製造方法 （１）成形方法：上記した水硬性組成物を用いて成形体
を製造するには、まず、上記各成分に必要に応じて水を
加えて混合し、これを加圧成形する。The compounding amount of the processability improver should be about 2 to 18 parts by weight as the solid content of the processability improver based on 100 parts by weight of the total of the hydraulic powder and the non-hydraulic powder. And more preferably about 5 to 15 parts by weight. If the compounding amount of the processability improver is too small, the cutting processability is deteriorated, which is not preferable. On the other hand, if the amount of the processability improver is too large, the moldability is improved, but the grinding accuracy and the dimensional stability after the grinding are unfavorably reduced. Manufacturing method of molded article (1) Molding method: In order to produce a molded article using the above-described hydraulic composition, first, if necessary, water is added to each of the above-mentioned components and mixed, followed by pressure molding. I do.
【００２０】水の配合量は、水硬性粉体と非水硬性粉体
の合計量１００重量部に対して、３０重量部程度以下と
することが好ましく、２５重量部程度以下とすることが
より好ましい。なお、乾燥収縮を小さくするためには、
水の配合量をできるだけ少なくすることが好ましい。通
常、ポリマーエマルジョンは、通常、４０〜５０％程度
の濃度の水分散液となっているので、加工性改良剤とし
てポリマーエマルジョンを用いる場合には、エマルジョ
ン中に含まれる水が混入するので、別途添加する水はで
きるだけ少なくすることが好ましい。例えば、水硬性粉
体と非水硬性粉体の合計量１００重量部に対して、ポリ
マーエマルジョンを１８重量部添加する場合には、１０
重量部程度の水を加えればよい。また、養生中に成形体
外部から水分が供給される場合には、水の配合量は、非
常に少量とすることができる。The amount of water is preferably about 30 parts by weight or less, more preferably about 25 parts by weight or less, based on 100 parts by weight of the total of the hydraulic powder and the non-hydraulic powder. preferable. In order to reduce drying shrinkage,
It is preferable to reduce the amount of water as much as possible. Usually, a polymer emulsion is usually an aqueous dispersion having a concentration of about 40 to 50%. When a polymer emulsion is used as a processability improver, water contained in the emulsion is mixed. It is preferable to add as little water as possible. For example, when 18 parts by weight of the polymer emulsion is added to 100 parts by weight of the total of the hydraulic powder and the non-hydraulic powder, 10
What is necessary is just to add about part by weight of water. When water is supplied from outside the molded body during curing, the amount of water can be extremely small.
【００２１】混合方法については、特に限定はなく、水
硬性組成物の各成分を均一に混合できればよいが、水硬
性粉体と該水硬性粉体の１／１０以下の平均粒径を有す
る非水硬性粉体を含む組成物を均一に混合するために
は、強力な剪断力を加えることができる混合方法を採用
することが好ましく、例えば、リボン型ミキサー、ヘン
ッシェルミキサー、アイリッヒミキサー等を用いること
ができる。この様な剪断力の高い混合機を用いて混合す
ることによって、混合に要する時間を短縮することがで
きる。The mixing method is not particularly limited, as long as the components of the hydraulic composition can be uniformly mixed. However, the hydraulic powder and a non-hydraulic powder having an average particle size of 1/10 or less of the hydraulic powder are used. In order to uniformly mix the composition containing the hydraulic powder, it is preferable to employ a mixing method capable of applying a strong shearing force, and examples thereof include a ribbon mixer, a Henschel mixer, and an Erich mixer. Can be used. Mixing using such a mixer having a high shearing force can reduce the time required for mixing.
【００２２】更に、成形時の混合物のハンドリングを良
好にするために、混合後、成形する形状に適した大きさ
に造粒しても良い。造粒方法としては、転動造粒法、圧
縮造粒法、撹拌造粒法等の公知の方法を採用すればよ
い。Further, in order to improve the handling of the mixture at the time of molding, after mixing, the mixture may be granulated to a size suitable for the shape to be molded. As the granulation method, a known method such as a tumbling granulation method, a compression granulation method, and a stirring granulation method may be employed.
【００２３】この様にして水硬性組成物を混合した後、
該組成物を成形用の型に充填し、加圧成形を行うことに
よって、所定の形状に成形する。成形方法としては、特
に限定はなく、例えば、静水圧プレス、多軸プレス、１
軸プレス等の方法を採用できる。加圧する条件として
は、計算される理論密度にできる限り近づけるように、
プレス圧が高いことが好ましい。プレス圧の下限の条件
は、混合物の成形性、水の含有割合、必要とされる寸法
精度等によって異なるので、これらの条件に応じて適宜
決めればよい。通常、加圧成形の圧力は、０．５〜１．
５ｔｏｎ／ｃｍ2程度とすればよく、０．８〜１．２ｔ
ｏｎ／ｃｍ2程度とすることが望ましい。成形圧が低す
ぎる場合には、硬化体が密実とならず、機械的強度が低
下し、一方、成形圧が高すぎると、成形体内部からポリ
マーエマルジョンが流れだし、硬化体の物性が低下し易
いので好ましくない。 （２）養生硬化方法：加圧成形後、型から取り出して、
十分な強度を有する硬化体となるまで、養生して、硬化
させる。養生方法としては、そのまま室温中に放置して
も良く、或いは、蒸気養生等を行っても良いが、特に、
オートクレーブ中で養生することが好ましい。また、硬
化体を形成するための水量が欠如又は不足している場合
には、蒸気養生を行うことが好ましい。After mixing the hydraulic composition in this way,
The composition is filled into a mold and subjected to pressure molding to form a predetermined shape. The molding method is not particularly limited, and may be, for example, an isostatic press, a multi-axial press,
A method such as a shaft press can be adopted. The conditions for pressurization are as follows as close as possible to the calculated theoretical density.
Preferably, the pressing pressure is high. The conditions for the lower limit of the pressing pressure vary depending on the moldability of the mixture, the content of water, the required dimensional accuracy, and the like, and may be appropriately determined according to these conditions. Usually, the pressure for pressure molding is 0.5 to 1.
It may be about 5 ton / cm 2 , and 0.8 to 1.2 t
On / cm 2 is desirable. If the molding pressure is too low, the cured product will not be dense and the mechanical strength will be reduced.On the other hand, if the molding pressure is too high, the polymer emulsion will flow from the inside of the molded product and the physical properties of the cured product will be reduced. It is not preferable because it is easy to perform. (2) Curing method: After pressure molding, take out from the mold,
Curing and curing until a cured body with sufficient strength is obtained. As the curing method, it may be left at room temperature as it is, or steam curing may be performed.
Curing in an autoclave is preferred. Further, when the amount of water for forming the cured product is missing or insufficient, it is preferable to perform steam curing.
【００２４】オートクレーブ養生は、飽和蒸気圧７．１
５ｋｇ／ｃｍ2以上、１６５℃以上で行うことが好まし
く、飽和蒸気圧９．１０ｋｇ／ｃｍ2以上で行うことが
より好ましい。養生時間は養生温度によって異なるが、
例えば、１７５℃で養生する場合には、通常、５〜１５
時間程度養生すればよい。なお、加圧成形後、オートク
レーブ養生開始前に圧縮強度で５Ｎ／ｍｍ2程度以上と
なっていることが好ましい。オートクレーブ養生開始ま
でに十分な強度が発現していない場合には、オートクレ
ーブ養生時に成形体の爆裂等が発生する可能性があるの
で好ましくない。The autoclave curing has a saturated vapor pressure of 7.1.
It is preferably performed at 5 kg / cm 2 or more and 165 ° C. or more, and more preferably at a saturated vapor pressure of 9.10 kg / cm 2 or more. The curing time depends on the curing temperature,
For example, when curing at 175 ° C, usually 5 to 15
Curing should be done for about an hour. In addition, it is preferable that the compression strength is about 5 N / mm 2 or more after the pressure molding and before the start of the autoclave curing. If sufficient strength is not developed before the start of autoclave curing, there is a possibility that a molded article may explode during autoclave curing, which is not preferable.
【００２５】また、蒸気養生は、例えば、６０℃程度の
温度で１０〜２４時間程度行えばよい。The steam curing may be performed, for example, at a temperature of about 60 ° C. for about 10 to 24 hours.
【００２６】以上の方法で得られる成形体は、加工性改
良剤を含有する特定の水硬性組成物を用いたことによ
り、成形性、脱型性、切削性、研削性、研削精度等の特
性が良好である。本発明によれば、この様な成形体の表
面に、金属皮膜又は金属化合物皮膜を形成することによ
って、該成形体の表面硬度を向上させて、該成形体に耐
摩耗性を付与することができる。更に、形成する皮膜の
種類に応じて、電磁波遮蔽性、光学特性、熱遮蔽性、装
飾性等の各種特性も付与できる。The molded article obtained by the above-mentioned method is characterized in that, by using a specific hydraulic composition containing a processability improver, characteristics such as moldability, demoldability, machinability, grindability and grinding precision are obtained. Is good. According to the present invention, by forming a metal film or a metal compound film on the surface of such a molded body, it is possible to improve the surface hardness of the molded body and to impart wear resistance to the molded body. it can. Furthermore, various characteristics such as electromagnetic wave shielding, optical characteristics, heat shielding, and decorativeness can be imparted according to the type of film to be formed.
【００２７】金属皮膜又は金属化合物皮膜の形成方法に
ついては、特に限定はなく、公知の各種の方法を適用で
きる。この様な方法としては、例えば、湿式めっき、溶
射めっき、真空蒸着、スパッタリング、化学蒸着、イオ
ンプレーティング、活性化反応性蒸着法（ＡＲＥ法）等
を例示できる。The method for forming the metal film or the metal compound film is not particularly limited, and various known methods can be applied. Examples of such a method include wet plating, thermal spray plating, vacuum deposition, sputtering, chemical vapor deposition, ion plating, and activation reactive vapor deposition (ARE method).
【００２８】金属皮膜又は金属化合物皮膜は、採用する
方法に応じて、常法に従って形成すればよく、皮膜の種
類についても、特に限定はなく、公知の方法で形成可能
な金属皮膜又は金属化合物皮膜から、使用目的に応じて
適宜種類を決めればよい。金属化合物皮膜としては、金
属酸化物、金属窒化物、金属炭化物、金属ホウ化物等の
皮膜を例示できる。皮膜の膜厚についても特に限定はな
く、使用目的に応じて、適宜選択すればよい。The metal film or metal compound film may be formed according to the method to be employed according to a conventional method, and there is no particular limitation on the type of the film, and a metal film or metal compound film which can be formed by a known method. Therefore, the type may be appropriately determined according to the purpose of use. Examples of the metal compound film include films of metal oxides, metal nitrides, metal carbides, metal borides, and the like. The thickness of the film is not particularly limited, and may be appropriately selected depending on the purpose of use.
【００２９】例えば、湿式めっき法によって、めっき皮
膜を形成するには、水硬性組成物成形体の表面に導電性
を与えるために無電解めっきを行い、次いで、電気めっ
きを行えばよい無電解めっきは、常法に従って行うこと
ができ、例えば、センシタイザーーアクチベーター法、
キャタリスト法等の公知の方法によって、成形体の表面
に無電解めっき用の触媒を付与し、無電解銅めっき液、
無電解ニッケルめっき液などの公知の無電解めっき液を
用いて、無電解めっき皮膜を形成すればよい。無電解め
っき皮膜の厚さについては、特に限定的ではないが、例
えば、適度の導電性を付与するために、０．２〜０．５
μｍ程度とすればよい。For example, in order to form a plating film by a wet plating method, electroless plating may be performed to impart electroconductivity to the surface of the hydraulic composition molded body, and then electroplating may be performed. Can be performed according to a conventional method, for example, a sensitizer-activator method,
By a known method such as a catalyst method, a catalyst for electroless plating is applied to the surface of the molded body, an electroless copper plating solution,
The electroless plating film may be formed using a known electroless plating solution such as an electroless nickel plating solution. Although the thickness of the electroless plating film is not particularly limited, for example, in order to impart appropriate conductivity, 0.2 to 0.5
It may be about μm.
【００３０】次いで、電気めっき法によってめっき皮膜
を形成する。電気めっき液の種類については特に限定は
なく、公知の電気めっき液から目的に応じて適宜選択し
て使用すればよく、例えば、ニッケルめっき液、銅めっ
き液等を用いることができる。Next, a plating film is formed by an electroplating method. The type of the electroplating solution is not particularly limited, and may be appropriately selected from known electroplating solutions according to the purpose, and may be, for example, a nickel plating solution, a copper plating solution, or the like.
【００３１】通常、無電解めっき皮膜は膜厚が薄いの
で、一度に高電流密度で電気めっきを行うことは避ける
ことが好ましく、例えば、０．５Ａ／ｄｍ2程度の比較
的低い電流密度で銅めっき皮膜又はニッケルめっき皮膜
を１〜３μｍ程度形成し、これを下地メッキとして、例
えば、ニッケルめっき皮膜等を５〜２０μｍ程度形成す
ることが好ましい。また、必要に応じて、５〜２０μｍ
程度の厚さのクロムめっき皮膜等を最上層に形成するこ
とができる。Usually, since the electroless plating film has a small thickness, it is preferable to avoid performing electroplating at a high current density at a time. For example, a copper film having a relatively low current density of about 0.5 A / dm 2 is preferably used. It is preferable to form a plating film or a nickel plating film in a thickness of about 1 to 3 μm and use this as a base plating, for example, to form a nickel plating film or the like in a thickness of about 5 to 20 μm. Also, if necessary, 5 to 20 μm
It is possible to form a chrome plating film or the like having a thickness of about the uppermost layer.
【００３２】また、金属酸化物、金属窒化物、金属炭化
物、金属ホウ化物等の金属化合物の皮膜は、例えば、火
炎溶射、プラズマ溶射、爆裂溶射等の溶射法によって、
公知の条件に従って形成することができる。The coating of a metal compound such as a metal oxide, a metal nitride, a metal carbide, or a metal boride can be formed by, for example, a spraying method such as flame spraying, plasma spraying, or explosive spraying.
It can be formed according to known conditions.
【００３３】[0033]
【発明の効果】本発明の金属皮膜又は金属化合物皮膜を
有する水硬性組成物の成形体は、従来の水硬性組成物の
成形体と比較して高い表面硬度を有するために、耐摩耗
性が良好である。しかも、成形性、脱型性、切削性、研
削性、研削精度等の特性も優れており、種々の形状に容
易に成形、加工することができる。さらに、皮膜の種類
を選択することによって、導電性、電磁波遮蔽性、光学
特性、熱遮蔽性、装飾性等の各種特性を付与でき、電子
機械部品への適用も可能である。As described above, the molded article of the hydraulic composition having the metal film or the metal compound film of the present invention has a higher surface hardness than the molded article of the conventional hydraulic composition. Good. In addition, it has excellent characteristics such as moldability, mold release, machinability, grindability, and grinding accuracy, and can be easily formed and processed into various shapes. Further, by selecting the type of the film, various characteristics such as conductivity, electromagnetic wave shielding, optical characteristics, heat shielding, and decorativeness can be provided, and application to electromechanical parts is also possible.
【００３４】このため、本発明によれば、耐摩耗性が要
求される部位にも適用可能であって、しかも、導電性、
電磁波遮蔽性、光学特性、熱遮蔽性、装飾性等の各種特
性を有する水硬性組成物の成形体を安価に製造すること
ができる。Therefore, according to the present invention, the present invention can be applied to a part where wear resistance is required,
A molded article of a hydraulic composition having various properties such as electromagnetic wave shielding properties, optical properties, heat shielding properties, and decorative properties can be produced at low cost.
【００３５】[0035]
【実施例】以下に、本発明を実施例に基づいて説明す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments.
【００３６】（実施例１）図１は本発明のめっき層を有
する水硬性組成物成形体の断面図を示したものであり、
図中、１は水硬性組成成形体、２は触媒層（パラジュウ
ム）、３は無電解めっき方法で形成したニッケル層、４
は電気めっき法によって形成した下地ニッケルめっき
層、５は電気めっき方法によって形成したニッケルめっ
き層を示す。以下に、この硬化体の製造方法を示す。Example 1 FIG. 1 is a cross-sectional view of a hydraulic composition molded article having a plating layer according to the present invention.
In the drawing, 1 is a hydraulic composition molded body, 2 is a catalyst layer (palladium), 3 is a nickel layer formed by an electroless plating method,
Denotes a base nickel plating layer formed by an electroplating method, and 5 denotes a nickel plating layer formed by an electroplating method. Hereinafter, a method for producing this cured product will be described.
【００３７】水硬性粉体としてのポルトランドセメント
（平均粒径約１５μｍ）７０重量部、非水硬性粉体とし
てのシリカヒューム（平均粒径約０．２μｍ）３０重量
部、及び加工性改良剤としてのアクリル樹脂１０重量部
を含む水硬性組成物に、２０〜３０重量部の水を添加
し、ヘンシェルミキサーを利用して混合した。70 parts by weight of Portland cement (average particle size of about 15 μm) as a hydraulic powder, 30 parts by weight of silica fume (average particle size of about 0.2 μm) as a non-hydraulic powder, and as a processability improver 20 to 30 parts by weight of water were added to the hydraulic composition containing 10 parts by weight of the acrylic resin, and mixed using a Henschel mixer.
【００３８】この混合物を型に充填し、プレス成形機を
用いて成形圧５００ｋｇ／ｃｍ2で３０×３０×１０ｍ
ｍの成形体を得た。この成形体を脱型し、５０℃／時間
の昇温速度で１７５℃、９．１気圧まで昇温し、１７５
℃、９．１気圧で７時間保持した後、３時間で大気圧ま
で戻すことによって、オートクレーブ養生を行った。養
生後、１０ｍｍ幅に切断し、３０×３０×１０ｍｍの成
形体１を得た。The mixture was filled in a mold, and a press molding machine was used at a molding pressure of 500 kg / cm 2 at a pressure of 30 × 30 × 10 m
m was obtained. The molded body was released from the mold, and heated at a heating rate of 50 ° C./hour to 175 ° C. and 9.1 atm.
After maintaining at 9.1 ° C. and 7 ° C. for 7 hours, the autoclave was cured by returning to atmospheric pressure in 3 hours. After curing, it was cut to a width of 10 mm to obtain a molded body 1 of 30 × 30 × 10 mm.
【００３９】無電解めっき用触媒溶液として、キャタラ
イザー（ズズイオンとパラジウムイオンを混合した溶
液）を用い、上記成形体１をキャタライザー溶液中に室
温で５分間浸漬し、水洗した後、硫酸水溶液に浸漬し
て、成形体１の表面部分（３０×３０ｍｍ）に無電解ニ
ッケルめっき用触媒としてパラジウム２を付与した。As a catalyst solution for electroless plating, a catalyzer (a solution in which tin ion and palladium ions are mixed) was used. The molded article 1 was immersed in the catalyzer solution at room temperature for 5 minutes, washed with water, and then immersed in an aqueous sulfuric acid solution. Then, palladium 2 was applied to the surface portion (30 × 30 mm) of the molded body 1 as a catalyst for electroless nickel plating.
【００４０】次いで、この成形体１を無電解ニッケルめ
っき浴（硫酸ニッケル、クエン酸ナトリウム、亜リン酸
ナトリウム及びアンモニアを含有する水溶液）に３０℃
で５分間浸漬して、成形体表面に厚さ０．５μｍの無電
解ニッケル層３を形成した。Next, the compact 1 was placed in an electroless nickel plating bath (aqueous solution containing nickel sulfate, sodium citrate, sodium phosphite and ammonia) at 30 ° C.
For 5 minutes to form an electroless nickel layer 3 having a thickness of 0.5 μm on the surface of the molded body.
【００４１】続いて、電気ニッケルめっき液（硫酸ニッ
ケル、塩化ニッケル及びホウ酸を含有する水溶液）を用
い、陰極電流密度０．５Ａ／ｄｍ2で電気ニッケルめっ
きを行って厚さ２μｍの下地ニッケルめっき層４を形成
し、更に、同じ電気ニッケルめっき液を用いて陰極電流
密で１Ａ／ｄｍ2で電気めっきを行って厚さ１５μｍの
ニッケルめっき層５を形成した。Subsequently, using a nickel electroplating solution (aqueous solution containing nickel sulfate, nickel chloride and boric acid), nickel electroplating was performed at a cathode current density of 0.5 A / dm 2 to form a nickel plating of 2 μm in thickness. The layer 4 was formed, and further, electroplating was performed at a current density of 1 A / dm 2 using the same electronickel plating solution to form a nickel plating layer 5 having a thickness of 15 μm.
【００４２】（実施例２）実施例１と同様の方法によっ
て、水硬性組成物成形体１の表面に、パラジウム触媒層
２、無電解ニッケル層３、電気めっき法による下地ニッ
ケルめっき層４、電気めっき方法によるニッケルめっき
層５を形成した。(Example 2) In the same manner as in Example 1, a palladium catalyst layer 2, an electroless nickel layer 3, an underlying nickel plating layer 4 by electroplating, A nickel plating layer 5 was formed by a plating method.
【００４３】その後、ニッケルめっき表面に、クロムめ
っき液（クロム酸１７５ｇ／ｌ及び硫酸０．７ｇ／ｌ）
を用いて、液温６０℃で、５０Ａ／ｄｍ2の陰極電流密
度で１０分間めっきを行い、厚さ２０μｍの硬質クロー
ム層６を形成した。Thereafter, a chromium plating solution (175 g / l chromic acid and 0.7 g / l sulfuric acid) was applied to the nickel plating surface.
Was applied at a liquid temperature of 60 ° C. and a cathode current density of 50 A / dm 2 for 10 minutes to form a hard chrome layer 6 having a thickness of 20 μm.
【００４４】この様にして得られた成形体の断面図を図
２に示す。FIG. 2 is a cross-sectional view of the thus obtained molded body.
【００４５】（実施例３）実施例１と同様にして水硬性
組成物成形体１を製造した後、該成形体１の表面に、爆
裂溶射法によってＡｌ2Ｏ3とＴｉＯ2の混合物からなる
被覆層７を形成した。(Example 3) After producing a hydraulic composition molded body 1 in the same manner as in Example 1, the surface of the molded body 1 is made of a mixture of Al 2 O 3 and TiO 2 by the explosive spraying method. The coating layer 7 was formed.
【００４６】形成された皮膜は、溶融点１７００℃以
上、Ａｌ2Ｏ3：ＴｉＯ2（重量比）＝４：１の膜厚２０
０μｍの酸化物皮膜であった。表面硬度試験： 実施例１〜３で得られた成形体につい
て、ビッカースかたさ試験によって表面硬度を測定した
結果を下記表１に示す。なお、比較として、めっき皮膜
を形成していない水硬性組成物の成形体の表面硬度も表
１に記載する。 表１ 表面処理方法 表面硬度（ＨＶ） 実施例１ ニッケルめっき ５２５ 実施例２ ニッケルめっき＋クロムめっき ９００ 実施例３ Ａｌ2Ｏ3＋ＴｉＯ2 １２５０ 比較例 無処理 ５０The formed film has a melting point of 1700 ° C. or more, and a film thickness of Al 2 O 3 : TiO 2 (weight ratio) = 4: 1, 20
It was an oxide film of 0 μm. Surface hardness test: Table 1 shows the results of measuring the surface hardness of the molded articles obtained in Examples 1 to 3 by a Vickers hardness test. For comparison, Table 1 also shows the surface hardness of the molded body of the hydraulic composition having no plating film formed. Table 1 Surface treatment method Surface hardness (HV ) Example 1 Nickel plating 525 Example 2 Nickel plating + chrome plating 900 Example 3 Al 2 O 3 + TiO 2 1250 Comparative example No treatment 50
【図１】実施例１においてニッケルめっき皮膜を形成し
た成形体の断面図。FIG. 1 is a cross-sectional view of a molded body on which a nickel plating film is formed in Example 1.
【図２】実施例２においてニッケルめっき皮膜とクロム
めっき皮膜を形成した成形体の断面図。FIG. 2 is a cross-sectional view of a molded body on which a nickel plating film and a chromium plating film are formed in Example 2.
【図３】実施例３においてＡｌ2Ｏ3とＴｉＯ2の混合物
からなる被覆層を形成した成形体の断面図。FIG. 3 is a cross-sectional view of a formed body in which a coating layer made of a mixture of Al 2 O 3 and TiO 2 is formed in Example 3.
【符号の説明】 １ 水硬性組成物の硬化体 ２ 触媒層 ３ 無電解ニッケルめっき層 ４ 電気ニッケルめっき層 ５ 電気ニッケルめっき層 ６ クロムめっき層 ７ Ａｌ2Ｏ3とＴｉＯ2の混合物からなる被覆層[Description of Signs] 1 Cured body of hydraulic composition 2 Catalyst layer 3 Electroless nickel plating layer 4 Electric nickel plating layer 5 Electric nickel plating layer 6 Chromium plating layer 7 Coating layer composed of a mixture of Al 2 O 3 and TiO 2
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小澤 聡 千葉県船橋市豊富町585番地 住友大阪セ メント株式会社建材事業部内 (72)発明者 島田 保彦 千葉県船橋市豊富町585番地 住友大阪セ メント株式会社建材事業部内 Ｆターム(参考） 4G012 PB04 PB31 4G028 DA01 DB07 DC00 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Satoshi Ozawa 585 Tomicho, Funabashi-shi, Chiba Sumitomo Osaka Cement Co., Ltd. F-term in building materials division (reference) 4G012 PB04 PB31 4G028 DA01 DB07 DC00
Claims (5)
／１０以下の平均粒径を有する非水硬性粉体、及び加工
性改良剤を含む水硬性組成物を加圧成形し、養生硬化さ
せて得られた成形体の表面に、金属皮膜又は金属化合物
皮膜を設けてなる水硬性組成物成形体。1. A hydraulic powder, having an average particle size of 1
Non-hydraulic powder having an average particle size of / 10 or less, and a hydraulic composition containing a processability improver are subjected to pressure molding, and cured and cured to form a metal film or a metal compound on the surface of the molded product. A hydraulic composition molded article provided with a coating.
量％と該水硬性粉体の平均粒径の１／１０以下の平均粒
径を有する非水硬性粉体１０〜５０重量％からなる混合
粉体１００重量部、及び加工性改良剤２〜１８重量部を
含有するものである請求項１に記載の水硬性組成物成形
体。2. A non-hydraulic composition having a hydraulic composition having 50 to 90% by weight of a hydraulic powder and an average particle diameter of 1/10 or less of the average particle diameter of the hydraulic powder. %, And 2 to 18 parts by weight of a processability improving agent.
ニルアクリル共重合体樹脂、酢酸ビニルベオバ共重合体
樹脂、酢酸ビニルマレート共重合体樹脂、酢酸ビニルエ
チレン共重合体樹脂、酢酸ビニルエチレン塩化ビニル共
重合体樹脂、アクリル共重合体樹脂、アクリルスチレン
共重合体樹脂、アクリルシリコーン共重合体樹脂、酢酸
ビニルベオバ３元共重合体樹脂及びエポキシ樹脂から選
ばれた少なくとも１種類の樹脂である請求項１又は２に
記載の成形体。3. The processability improver is a vinyl acetate resin, a vinyl acetate acrylic copolymer resin, a vinyl acetate veova copolymer resin, a vinyl acetate malate copolymer resin, a vinyl acetate ethylene copolymer resin, a vinyl acetate ethylene vinyl chloride. 2. The resin according to claim 1, which is at least one resin selected from a copolymer resin, an acrylic copolymer resin, an acrylic styrene copolymer resin, an acrylic silicone copolymer resin, a vinyl acetate veova terpolymer resin and an epoxy resin. Or the molded article according to 2.
き、溶射めっき、真空蒸着、スパッタリング、化学蒸
着、イオンプレーティング又は活性化反応性蒸着法によ
って形成されたものである請求項１〜３のいずれかに記
載の水硬性組成物成形体。4. The method according to claim 1, wherein the metal film or the metal compound film is formed by wet plating, thermal spray plating, vacuum deposition, sputtering, chemical vapor deposition, ion plating or activated reactive vapor deposition. The hydraulic composition molded article according to any one of the above.
又はオートクレーブ養生である請求項１〜４のいずれか
に記載の水硬性組成物成形体。5. The hydraulic composition molded article according to claim 1, wherein the curing method of the molded article is natural curing, steam curing or autoclave curing.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19900999A JP2001026485A (en) | 1999-07-13 | 1999-07-13 | Formed body of hydraulic composition |
| PCT/JP2000/004684 WO2001004071A1 (en) | 1999-07-13 | 2000-07-12 | Formed article from hydraulic composition |
| EP00944419A EP1215184A4 (en) | 1999-07-13 | 2000-07-12 | Formed article from hydraulic composition |
| US10/030,859 US6849341B1 (en) | 1999-07-13 | 2000-07-12 | Formed article from hydraulic composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19900999A JP2001026485A (en) | 1999-07-13 | 1999-07-13 | Formed body of hydraulic composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001026485A true JP2001026485A (en) | 2001-01-30 |
Family
ID=16400601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19900999A Pending JP2001026485A (en) | 1999-07-13 | 1999-07-13 | Formed body of hydraulic composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001026485A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7658794B2 (en) | 2000-03-14 | 2010-02-09 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
| US7704316B2 (en) | 2001-03-02 | 2010-04-27 | James Hardie Technology Limited | Coatings for building products and methods of making same |
| US7708826B2 (en) | 2001-03-02 | 2010-05-04 | James Hardie Technology Limited | Additive for dewaterable slurry and slurry incorporating same |
| US7993570B2 (en) | 2002-10-07 | 2011-08-09 | James Hardie Technology Limited | Durable medium-density fibre cement composite |
| US7998571B2 (en) | 2004-07-09 | 2011-08-16 | James Hardie Technology Limited | Composite cement article incorporating a powder coating and methods of making same |
| US8993462B2 (en) | 2006-04-12 | 2015-03-31 | James Hardie Technology Limited | Surface sealed reinforced building element |
-
1999
- 1999-07-13 JP JP19900999A patent/JP2001026485A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7658794B2 (en) | 2000-03-14 | 2010-02-09 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
| US7727329B2 (en) | 2000-03-14 | 2010-06-01 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
| US8182606B2 (en) | 2000-03-14 | 2012-05-22 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
| US8603239B2 (en) | 2000-03-14 | 2013-12-10 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
| US7704316B2 (en) | 2001-03-02 | 2010-04-27 | James Hardie Technology Limited | Coatings for building products and methods of making same |
| US7708826B2 (en) | 2001-03-02 | 2010-05-04 | James Hardie Technology Limited | Additive for dewaterable slurry and slurry incorporating same |
| US7993570B2 (en) | 2002-10-07 | 2011-08-09 | James Hardie Technology Limited | Durable medium-density fibre cement composite |
| US7998571B2 (en) | 2004-07-09 | 2011-08-16 | James Hardie Technology Limited | Composite cement article incorporating a powder coating and methods of making same |
| US8993462B2 (en) | 2006-04-12 | 2015-03-31 | James Hardie Technology Limited | Surface sealed reinforced building element |
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