JP2522626B2 - Inorganic surface material and manufacturing method thereof - Google Patents
Inorganic surface material and manufacturing method thereofInfo
- Publication number
- JP2522626B2 JP2522626B2 JP4327052A JP32705292A JP2522626B2 JP 2522626 B2 JP2522626 B2 JP 2522626B2 JP 4327052 A JP4327052 A JP 4327052A JP 32705292 A JP32705292 A JP 32705292A JP 2522626 B2 JP2522626 B2 JP 2522626B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- surface material
- papermaking
- inorganic surface
- temperature
- 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.)
- Expired - Fee Related
Links
Landscapes
- Panels For Use In Building Construction (AREA)
- Producing Shaped Articles From Materials (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Description
【0001】[0001]
【産業上の利用分野】この発明は、主に住宅用の建材と
して用いられるセメント系の無機面材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cement-based inorganic surface material mainly used as a building material for houses.
【0002】[0002]
【従来の技術】従来、木質系のプレハブ住宅等にあって
は、壁や床あるいは屋根等を、パネルによって施工する
手段が実施されている。このようなパネルとしては、例
えば図2に示すような木製のものが知られている。この
木製パネルPは、縦框材1a、1aと横框材1b、1b
によって四角枠状に組んだ枠体1の内側に縦、横に延在
する補強用芯材2a、2bを配して枠組2とし、さらに
これら補強用芯材2a、2bと縦横の框材1a、1bに
囲まれた内部にグラスウール等の断熱材3を充填すると
ともに、前記枠体1の表裏両面に、それぞれ合板からな
る面材4、4を貼着したものである。2. Description of the Related Art Conventionally, in wooden prefabricated houses and the like, means for constructing walls, floors, roofs or the like by panels has been implemented. As such a panel, for example, a wooden panel as shown in FIG. 2 is known. The wooden panel P includes vertical frame members 1a and 1a and horizontal frame members 1b and 1b.
The reinforcing core members 2a and 2b extending vertically and horizontally are arranged inside the frame body 1 assembled in a rectangular frame shape to form the frame member 2. Further, the reinforcing core members 2a and 2b and the vertical and horizontal frame members 1a are arranged. The inside surrounded by 1b is filled with a heat insulating material 3 such as glass wool, and face materials 4 and 4 made of plywood are attached to both front and back surfaces of the frame body 1, respectively.
【0003】ところで、このようなパネルにおいて例え
ば耐火構造が要求される壁などにあっては、前記合板か
らなる面材4、4に代わり、あるいは該面材4の上に無
機面材が貼着されて用いられる。無機面材としては、例
えば普通ポルトランドセメントを主成分とし、これにフ
ライアッシュやスラグ、繊維等を添加して得られる原料
スラリーを、抄造法によってボード状に形成したものが
知られている。このような無機面材を作製するには、例
えば図1に示すように、まずセメント、フライアッシ
ュ、スラグ等をそれぞれ貯蔵するタンク10‥より、こ
れら原料を所定量自動秤量して混合パルパー11に供給
する。また、別に各種繊維を貯蔵するタンク12より、
繊維を導出しこれを解砕機13で適宜長さに調製した後
タンク14に供給し、さらにこのタンク14より前記混
合パルパー11に線長を調製した繊維を所定量供給す
る。また、水に適宜な分散材を加えた分散液を、タンク
15より混合パルパー11に所定量供給する。そして、
混合パルパー11にて攪拌混合し、各種原料を水に均一
に分散させて原料スラリーを作製した後、これをスラリ
ー容器16に供給する。By the way, in such a panel, for example, in a wall requiring a fireproof structure, an inorganic face material is attached instead of the face material 4 made of the plywood or on the face material 4. Is used. As an inorganic surface material, for example, a material in which a raw material slurry obtained by adding fly ash, slag, fibers or the like to a main component of ordinary Portland cement and formed into a board shape by a papermaking method is known. In order to produce such an inorganic surface material, for example, as shown in FIG. 1, first, a predetermined amount of these raw materials are automatically weighed from a tank 10 for storing cement, fly ash, slag, etc. into a mixing pulper 11. Supply. In addition, from the tank 12 that stores various fibers separately,
The fibers are led out, adjusted to an appropriate length by a crusher 13, and then supplied to a tank 14. Further, from the tank 14, a predetermined amount of the fiber having the adjusted wire length is supplied to the mixing pulper 11. Further, a predetermined amount of a dispersion liquid obtained by adding an appropriate dispersing material to water is supplied from the tank 15 to the mixing pulper 11. And
After stirring and mixing with the mixing pulper 11, various raw materials are uniformly dispersed in water to prepare a raw material slurry, which is then supplied to the slurry container 16.
【0004】次に、スラリー容器16より原料スラリー
を抄造装置17に供給し、ここで多数の面状体を形成す
る。抄造装置17は、図示略の加熱部を備えた原料スラ
リーを貯蔵するスラリー溜め18と、このスラリー溜め
18内に配設されてスラリー中に過半部を浸漬するロー
ラ19とからなる抄造機20を複数(図1の例では4
基)有し、さらにこれら抄造機20…の上にベルトコン
ベア状の転写機21を配設したものである。そして、こ
のような抄造装置17では、スラリー溜め18内の原料
スラリー温度、すなわち抄造温度を70〜80℃程度と
しておき、この状態で抄造機20の回転するローラ19
からスラリーを転写機21のベルト部21aに写し取
る。すると、抄造温度が70〜80℃程度であることか
ら、ベルト部21aがスラリーを写し取った後周回する
に連れ、スラリー中の水分が蒸発しさらにセメントの硬
化が進むことにより、ベルト部21aのスラリーは半硬
化状態となる。そしてさらに、この半硬化状態のスラリ
ーは転写機21の側部に配設された剥離ローラ21bに
移行しこれから作業者によって適宜な大きさで剥離され
ることにより、面状体となるのである。そして、このよ
うな面状体は複数積層され、プレス工程、加熱養生工程
等を経て各層間が接合一体化されることにより、無機面
材とされるのである。Next, the raw material slurry is supplied from the slurry container 16 to the papermaking apparatus 17, where a large number of sheet-like bodies are formed. The papermaking apparatus 17 includes a papermaking machine 20 including a slurry reservoir 18 for storing a raw material slurry provided with a heating unit (not shown), and a roller 19 disposed in the slurry reservoir 18 and immersing a majority of the slurry in the slurry. Multiple (4 in the example of FIG. 1)
The transfer machine 21 in the form of a belt conveyor is disposed on the papermaking machines 20 ... In such a papermaking apparatus 17, the raw material slurry temperature in the slurry reservoir 18, that is, the papermaking temperature is set to about 70 to 80 ° C., and the roller 19 of the papermaking machine 20 rotating in this state.
The slurry is transferred onto the belt portion 21a of the transfer machine 21. Then, since the papermaking temperature is about 70 to 80 ° C., the water in the slurry evaporates and the hardening of the cement further progresses as the belt portion 21a rotates after copying the slurry. Is in a semi-cured state. Further, the semi-cured slurry is transferred to the peeling roller 21b arranged on the side portion of the transfer machine 21 and is peeled by an operator in an appropriate size to form a planar body. Then, a plurality of such sheet-like bodies are laminated, and the respective layers are joined and integrated through a pressing process, a heating and curing process, etc., thereby forming an inorganic face material.
【0005】[0005]
【発明が解決しようとする課題】ところで、このように
して得られる無機面材を用い、これを合板に代わって面
材とし、パネルを作製するには、図2に示した枠体1の
表裏両面に予めパネル寸法よりやや大きめに形成された
無機面材を貼着し、その後得られたパネルの側端面をサ
イザー装置で切削することにより、パネルを所定寸法に
して製品とする。しかしながら、無機面材は前述したよ
うに積層された複数の面状体が単にプレス、加熱養生の
みで接合一体化されているので、層間強度が十分でな
く、このためサイザー装置でのサイザー仕上の際無機面
材に層間剥離が発生してしまい、製造不良を招くといっ
た課題がある。この発明は前記事情に鑑みてなされたも
ので、その目的とするところは、層間剥離を防止するべ
く、層間強度を高めた無機面材とその製造方法を提供す
ることにある。By the way, in order to fabricate a panel using the inorganic surface material thus obtained and using this as a surface material instead of plywood, the front and back surfaces of the frame 1 shown in FIG. An inorganic face material that is formed slightly larger than the panel size is pasted on both sides, and then the side end faces of the obtained panel are cut by a sizer device to obtain a panel with a predetermined size to obtain a product. However, the inorganic surface material is not sufficient in the interlaminar strength because the plurality of laminated sheet materials are simply joined by pressing and heat curing as described above, and therefore, the sizer finish in the sizer device is not sufficient. At this time, there is a problem that delamination occurs in the inorganic face material, resulting in manufacturing defects. The present invention has been made in view of the above circumstances, and an object thereof is to provide an inorganic face material having an increased interlayer strength and a method for producing the same, in order to prevent delamination.
【0006】[0006]
【課題を解決するための手段】本発明における請求項1
記載の無機面材では、セメントを含む面状体が複数積層
されたセメント系無機面材の、少なくとも前記面状体中
に、水溶性でかつ抄造温度でゲル化しない樹脂が固化し
た状態で残留していることを前記課題の解決手段とし
た。請求項2記載の無機面材の製造方法では、抄造法に
より得られたセメント系無機面状体を複数積層して無機
面材を製造するに際し、繊維を含む水性原料スラリーを
水溶性でかつ抄造温度で硬化しない樹脂を添加すること
によって調製し、次に該原料スラリーを抄造法により複
数の面状体に形成し、次いでこれら面状体を複数積層し
てプレスし、さらに前記樹脂が溶融する温度で加熱養生
し、その後これを冷却することを前記課題の解決手段と
した。請求項3記載の無機面材の製造方法では、前記樹
脂としてポリビニルアルコールを用い、抄造温度を80
℃以下、加熱養生温度を120℃以上とすることを前記
課題の解決手段とした。[Means for Solving the Problems] Claim 1 in the present invention
In the described inorganic surface material, multiple planar materials containing cement are laminated.
Of the cement-based inorganic surface material,
In addition, the water-soluble resin that does not gel at the papermaking temperature solidifies
Remaining in the state of being left was used as a means for solving the above problems. The method for producing an inorganic face material according to claim 2, wherein when an inorganic face material is produced by stacking a plurality of cement-based inorganic sheet materials obtained by a papermaking method , an aqueous raw material slurry containing fibers is water-soluble and is used for papermaking. It is prepared by adding a resin that does not cure at a temperature, then the raw material slurry is formed into a plurality of planar bodies by a papermaking method, and then a plurality of these planar bodies are laminated and pressed, and the resin is melted. Heating and curing at a temperature, and then cooling this were the means for solving the above problems. In the method for producing an inorganic surface material according to claim 3, polyvinyl alcohol is used as the resin, and the papermaking temperature is 80%.
The heating and curing temperature of 120 ° C or lower and the heating and curing temperature of 120 ° C or higher were taken as means for solving the above problems.
【0007】[0007]
【作用】請求項1記載の無機面材によれば、少なくと
も、セメントを含む面状体中に、水溶性でかつ抄造温度
でゲル化しない樹脂が固化した状態で残留しているの
で、積層された面状体の層間強度が高いものとなる。請
求項2記載の無機面材の製造方法によれば、前述したご
とく面状体の層間強度の高い無機面材の作製が可能にな
る。請求項3記載の無機面材の製造方法によれば、前記
樹脂として接着性に優れたポリビニルアルコールを用い
たので、得られた無機面材の層間強度が十分に高いもの
となる。According to the inorganic surface material of claim 1, at least
In addition, since the water-soluble resin that does not gel at the papermaking temperature remains in a solid state in the planar body containing cement , the laminated planar body has a high interlayer strength. Becomes According to the method for producing an inorganic face material according to the second aspect, as described above, it is possible to produce an inorganic face material having a high interlaminar strength of a sheet. According to the method for producing an inorganic surface material of claim 3, since polyvinyl alcohol having excellent adhesiveness is used as the resin, the interlayer strength of the obtained inorganic surface material becomes sufficiently high.
【0008】[0008]
【実施例】本発明の無機面材が、先に述べた従来の無機
面材と異なるところは、原料スラリーに樹脂を添加した
点である。添加する樹脂としては、水溶性でかつ後述す
る抄造温度でゲル化しない樹脂とされ、具体的にはポリ
ビニルアルコール、ポリビニルピロリドン、ポリアクリ
ルアミド、アクリル酸共重合体等が挙げられるが、特に
ポリビニルアルコールが好適に用いられる。このような
樹脂を用いてなる例として、図1を利用し請求項2記載
の製造方法に基づいて本発明を説明する。EXAMPLE The inorganic surface material of the present invention is different from the conventional inorganic surface material described above in that a resin is added to the raw material slurry. The resin to be added is a resin that is water-soluble and does not gel at the papermaking temperature described below, and specifically includes polyvinyl alcohol, polyvinylpyrrolidone, polyacrylamide, acrylic acid copolymer, and the like, but particularly polyvinyl alcohol. It is preferably used. As an example using such a resin, the present invention will be described based on the manufacturing method according to claim 2 with reference to FIG. 1.
【0009】本発明の無機面材を作製するには、従来と
同様にセメント、フライアッシュ、スラグ等をタンク1
0‥より、また各種繊維をタンク12より、さらに分散
液をタンク15よりそれぞれ混合パルパー11に所定量
供給する。また、これとは別に前記樹脂から選ばれた一
種あるいは二種以上を、該樹脂を貯蔵するタンク22よ
り自動秤量後所定量混合パルパー11に供給する。そし
て、混合パルパー11にて攪拌混合し、各種原料を水に
均一に分散させて原料スラリーを作製した後、これをス
ラリー容器16に供給する。ここで、樹脂は水溶性であ
ることから、混合パルパー11にて分散液等と攪拌混合
された際スラリー中に溶解する。To prepare the inorganic surface material of the present invention, cement, fly ash, slag, etc. are added to the tank 1 as in the conventional case.
0, various fibers are supplied to the mixing pulper 11 from the tank 12, and the dispersion liquid is supplied to the mixing pulper 11 from the tank 15. Separately from this, one kind or two or more kinds selected from the above resins are automatically weighed from a tank 22 for storing the resins and then supplied to a predetermined amount to the mixing pulper 11. Then, after stirring and mixing with the mixing pulper 11, various raw materials are uniformly dispersed in water to prepare a raw material slurry, which is then supplied to the slurry container 16. Here, since the resin is water-soluble, it dissolves in the slurry when it is stirred and mixed with the dispersion liquid or the like by the mixing pulper 11.
【0010】次に、スラリー容器16より原料スラリー
を抄造装置17に供給し、従来と同様にして厚さ1〜2
mm程度の面状体を多数形成する。ここで、面状体の厚
みの検出は、剥離ローラ21bの上に設けられた厚み検
出器21cによって行う。なお、このような面状体の形
成においてスラリー溜め18内の原料スラリーの温度、
すなわち抄造温度は、例えば樹脂としてポリビニルアル
コールを用いた場合、70〜80℃程度とされる。そし
て、ポリビニルアルコールはこの抄造温度ではゲル化し
ないので、面状体中にて大半が水に溶解した状態で含有
されるものとなる。Next, the raw material slurry is supplied from the slurry container 16 to the papermaking apparatus 17, and the thickness is 1-2 in the same manner as in the prior art.
A large number of planar bodies of about mm are formed. Here, the thickness of the sheet is detected by the thickness detector 21c provided on the peeling roller 21b. In the formation of such a sheet, the temperature of the raw material slurry in the slurry reservoir 18
That is, the papermaking temperature is, for example, about 70 to 80 ° C. when polyvinyl alcohol is used as the resin. Since polyvinyl alcohol does not gel at this papermaking temperature, most of the polyvinyl alcohol is contained in the sheet in a state of being dissolved in water.
【0011】次に、このようにして得られた面状体を複
数、例えば4枚積層し、積層方向にプレスを行う。する
と、各面状体はプレスされたことによって脱水され、か
つセメントの水硬性反応が進むことなどによって硬化す
る。またこのとき、樹脂は水がセメントの水硬性反応に
供されることなどによって一部が固化し、面状体中に残
留するものとなる。Next, a plurality of, for example, four sheet-like bodies thus obtained are stacked and pressed in the stacking direction. Then, each sheet is dehydrated by being pressed and hardened by the progress of the hydraulic reaction of cement. At this time, a part of the resin is solidified by water being used for the hydraulic reaction of cement and remains in the sheet.
【0012】次いで、プレス後の積層面状体を加熱養生
庫に入れ、120〜150℃程度で所定時間加熱養生を
行い、各層間を接合一体化した後、室温にまで冷却す
る。すると、各面状体中に固化した状態で残留する樹脂
は、加熱養生により溶融して面状体中に浸み出し、その
一部が各面状体間に至る。そして、加熱養生後冷却され
ることにより、溶融した樹脂は固化し、各面状体間の樹
脂も固化することによりこれが面状体間の接着材として
機能し、層間強度を高めるものとなる。Next, the laminated sheet body after pressing is placed in a heating curing cabinet, and is heated and cured at 120 to 150 ° C. for a predetermined time to bond and integrate the layers, and then cooled to room temperature. Then, the resin remaining in a solidified state in each sheet is melted by heating and leached into the sheet, and a part thereof reaches between the sheets. The molten resin is solidified by cooling after heating and curing, and the resin between the sheet-like bodies is also solidified to function as an adhesive between the sheet-like bodies and enhance the interlayer strength.
【0013】その後、仕上げとして再度プレス、蒸気養
生、乾燥等の各操作を行い、さらに所望する寸法に切断
することにより、製品としての無機面材を得る。このよ
うな無機面材の製造方法にあっては、樹脂を原料スラリ
ー中に添加することによってこれを面状体間の接着材と
して機能させることができ、これによって得られる無機
面材の層間強度を高めることができる。Thereafter, as finishing, the operations such as pressing, steam curing, and drying are performed again, and the product is further cut into desired dimensions to obtain an inorganic surface material as a product. In such a method for producing an inorganic face material, by adding a resin to the raw material slurry, it can be made to function as an adhesive between face-to-face bodies, and the interlayer strength of the inorganic face material thus obtained can be obtained. Can be increased.
【0014】(実験例)前述した工程に従い、以下の配
合で無機面材を作製した。 普通ポルトランドセメント 30.0重量% スラグ 21.7重量% パルプ繊維 4.5重量% ビニロン繊維 0.8重量% 鉱滓綿 2.0重量% フライアッシュ 40.0重量% ポリビニルアルコール 1.0重量% 計100.0重量% (商品名;クラレポバールMSH−916) なお、この無機面材の作製においては、抄造温度を70
〜80℃とし、また加熱養生を150℃で3時間行っ
た。また、抄造に際しては前記温度でポリビニルアルコ
ールのゲル化が認められず、従来と同様正常に無機面材
の作製を行うことができた。また、比較のため以下に示
す従来の配合で無機面材を作製した。 普通ポルトランドセメント 30.0重量% スラグ 22.0重量% パルプ繊維 4.5重量% ビニロン繊維 0.8重量% 鉱滓綿 2.0重量% フライアッシュ 40.7重量% 計100.0重量%(Experimental example) According to the above-mentioned process, an inorganic surface material was prepared with the following composition. Normal Portland cement 30.0% by weight Slag 21.7% by weight Pulp fiber 4.5% by weight Vinylon fiber 0.8% by weight Mineral cotton 2.0% by weight Fly ash 40.0% by weight Polyvinyl alcohol 1.0% by weight Total 100.0% by weight (trade name; Kuraray Poval MSH-916) In the production of this inorganic surface material, the papermaking temperature is 70%.
The temperature was set to -80 ° C, and the heat curing was performed at 150 ° C for 3 hours. Further, during papermaking, gelation of polyvinyl alcohol was not observed at the above temperature, and the inorganic face material could be normally produced as in the conventional case. Further, for comparison, an inorganic surface material was prepared with the conventional formulation shown below. Ordinary Portland cement 30.0% by weight Slag 22.0% by weight Pulp fiber 4.5% by weight Vinylon fiber 0.8% by weight Mineral cotton 2.0% by weight Fly ash 40.7% by weight Total 100.0% by weight
【0015】得られた無機面材の各種物性を調べ、その
結果を表1に示す。Various physical properties of the obtained inorganic surface material were investigated and the results are shown in Table 1.
【表1】 表1に示した結果より、本発明品のものは従来品に比べ
平面引張強度に優れていることから、層間強度の向上が
認められ、また曲げ強度にも優れていることが確認され
た。[Table 1] From the results shown in Table 1, it was confirmed that the product of the present invention is superior in the plane tensile strength to the conventional product, so that the improvement of the interlaminar strength is recognized and the flexural strength is also excellent.
【0016】[0016]
【発明の効果】以上説明したように本発明における請求
項1記載の無機面材は、セメントを含む面状体が複数積
層されたセメント系無機面材の、少なくとも前記面状体
中に水溶性でかつ抄造温度でゲル化しない樹脂が固化し
た状態で残留しているので、積層された面状体の層間強
度が高いものとなり、よってこれを用いてパネルを形成
すれば、そのサイザー仕上げの際の無機面材の層間剥離
を防止することができる。請求項2記載の無機面材の製
造方法は、前記層間強度を高めた無機面材を製造するこ
とができ、よってパネル製造に際してのサイザー仕上げ
による不良発生を防止することができる。請求項3記載
の無機面材の製造方法は、前記樹脂として接着性に優れ
たポリビニルアルコールを用いたものであるから、得ら
れる無機面材の層間強度を十分高いものにすることがで
き、これによって平面引張強度、曲げ強度等に優れた無
機面材を作製することができる。As described above, the inorganic surface material according to claim 1 of the present invention has a plurality of planar materials containing cement.
At least the above-mentioned sheet material of a layered cement-based inorganic surface material
Resin that is water-soluble and does not gel at the papermaking temperature solidifies
Since it remains in the state of being laminated, the interlayer strength of the laminated sheet becomes high, so if a panel is formed using this, delamination of the inorganic face material during the sizer finishing should be prevented. You can In the method for manufacturing an inorganic surface material according to the second aspect, it is possible to manufacture the inorganic surface material having the increased interlayer strength, and thus it is possible to prevent the occurrence of defects due to the sizer finishing in manufacturing the panel. Since the method for producing an inorganic surface material according to claim 3 uses polyvinyl alcohol having excellent adhesiveness as the resin, the interlayer strength of the obtained inorganic surface material can be sufficiently high. Thus, it is possible to produce an inorganic face material having excellent plane tensile strength, bending strength and the like.
【図1】本発明に係る無機面材の製造工程を示すフロー
図。FIG. 1 is a flowchart showing a manufacturing process of an inorganic surface material according to the present invention.
【図2】木製パネルの概略構成図である。FIG. 2 is a schematic configuration diagram of a wooden panel.
17 抄造装置 22 タンク 17 Papermaking equipment 22 Tank
Claims (3)
セメント系無機面材であって、少なくとも前記面状体中に、 水溶性でかつ抄造温度でゲ
ル化しない樹脂が固化した状態で残留していることを特
徴とする無機面材。1. A <br/> cementitious inorganic surface material planar body formed by stacking a plurality including cement, at least the planar element in, is water soluble and resin does not gel at a papermaking temperature solidification It is special that it remains in the
Inorganic surface material to be collected.
状体を複数積層して無機面材を製造するに際し、繊維を
含む水性原料スラリーを水溶性でかつ抄造温度でゲル化
しない樹脂を添加することによって調製し、次に該原料
スラリーから抄造法により複数の面状体を形成し、次い
でこれら面状体を複数積層してプレスし、さらに前記樹
脂が溶融する温度で加熱養生し、その後これを冷却する
ことを特徴とする無機面材の製造方法。2. When manufacturing an inorganic surface material by laminating a plurality of cement-based inorganic planar materials obtained by a papermaking method, fibers are
An aqueous raw material slurry containing the same is prepared by adding a resin that is water-soluble and does not gel at the papermaking temperature, and then a plurality of planar bodies are formed from the raw material slurry by a papermaking method, and then a plurality of these planar bodies are laminated. Then, the resin is heated and aged at a temperature at which the resin melts, and then the resin is cooled, followed by cooling.
いて、前記樹脂としてポリビニルアルコールを用い、抄
造温度を80℃以下、加熱養生温度を120℃以上とす
る無機面材の製造方法。3. The method for producing an inorganic surface material according to claim 2, wherein polyvinyl alcohol is used as the resin, and the papermaking temperature is 80 ° C. or lower and the heating and curing temperature is 120 ° C. or higher.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4327052A JP2522626B2 (en) | 1992-12-07 | 1992-12-07 | Inorganic surface material and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4327052A JP2522626B2 (en) | 1992-12-07 | 1992-12-07 | Inorganic surface material and manufacturing method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06170823A JPH06170823A (en) | 1994-06-21 |
JP2522626B2 true JP2522626B2 (en) | 1996-08-07 |
Family
ID=18194771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4327052A Expired - Fee Related JP2522626B2 (en) | 1992-12-07 | 1992-12-07 | Inorganic surface material and manufacturing method thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2522626B2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000170305A (en) * | 1998-12-03 | 2000-06-20 | Okura Ind Co Ltd | Sound insulation floor panel and sound insulation floor panel mounting structure |
US6947440B2 (en) | 2000-02-15 | 2005-09-20 | Gilat Satellite Networks, Ltd. | System and method for internet page acceleration including multicast transmissions |
US9094090B2 (en) | 2011-09-23 | 2015-07-28 | Gilat Satellite Networks Ltd. | Decentralized caching system |
US10979133B2 (en) | 2017-06-12 | 2021-04-13 | Ast & Science, Llc | System and method for high throughput fractionated satellites (HTFS) for direct connectivity to and from end user devices and terminals using flight formations of small or very small satellites |
US9973266B1 (en) | 2017-06-12 | 2018-05-15 | Ast & Science, Llc | System and method for high throughput fractionated satellites (HTFS) for direct connectivity to and from end user devices and terminals using flight formations of small or very small satellites |
WO2020190517A1 (en) * | 2019-03-20 | 2020-09-24 | Ast & Science, Llc | High throughput fractionated satellites |
-
1992
- 1992-12-07 JP JP4327052A patent/JP2522626B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH06170823A (en) | 1994-06-21 |
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