JPH05148000A - Hot-pressed composite material and its production - Google Patents

Hot-pressed composite material and its production

Info

Publication number
JPH05148000A
JPH05148000A JP31784391A JP31784391A JPH05148000A JP H05148000 A JPH05148000 A JP H05148000A JP 31784391 A JP31784391 A JP 31784391A JP 31784391 A JP31784391 A JP 31784391A JP H05148000 A JPH05148000 A JP H05148000A
Authority
JP
Japan
Prior art keywords
silica
hot
composite material
filler
molded
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.)
Granted
Application number
JP31784391A
Other languages
Japanese (ja)
Other versions
JP3173831B2 (en
Inventor
Hirofumi Tanaka
弘文 田中
Shinichi Hamahira
眞一 濱平
Satoru Fukuyoshi
了 福▲吉▼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Cement Co Ltd
Original Assignee
Sumitomo Cement Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Cement Co Ltd filed Critical Sumitomo Cement Co Ltd
Priority to JP31784391A priority Critical patent/JP3173831B2/en
Publication of JPH05148000A publication Critical patent/JPH05148000A/en
Application granted granted Critical
Publication of JP3173831B2 publication Critical patent/JP3173831B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

PURPOSE:To produce a hot-pressed silica composite material having excellent mechanical strength, heat and sound insulating properties in practical use and useful as a building material without using cement. CONSTITUTION:A mixed molding material contg. at least one of an aq. monomeric silica soln. and a polymeric silica sol as starting material for silica, a filler such as silica sand or woody chips and a hardening accelerator such as sodium silicofluoride is molded into a prescribed shape and size with a molding tool and the resulting molded body is hardened by hot pressing at 150-200 deg.C.

Description

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

【0001】[0001]

【産業上の利用分野】本発明はホットプレス複合材料お
よびその製造方法に関するものである。更に詳しく述べ
るならば、本発明は、屋根材、外壁材、内装材、および
床材などの建築材料として有用なホットプレス複合材料
およびその製造方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot press composite material and a method for manufacturing the same. More specifically, the present invention relates to a hot press composite material useful as a building material such as a roofing material, an outer wall material, an interior material, and a flooring material, and a method for producing the same.

【0002】[0002]

【従来の技術】従来の建築材料、例えば屋根材は、石綿
−セメント系瓦材が主流であった。この石綿−セメント
系材料は、石綿を解綿して、これをセメント、充填材、
例えばシリカ粉、および抄造助剤、例えばパルプなどと
ともに水中に分散して水性石綿−セメント系スラリーを
調製し、この水性スラリーを丸網式抄造シリンダーなど
の抄造機を用いて抄造してシート状体とし、これが所望
の厚さに達したならば、これを、抄造機から取り出し
て、所望の寸法に切断し、この切断された板状体にプレ
ス脱水を施し、所望によりこれに波付け、凹凸模様づけ
などの成形を施し、この成形体を養生して硬化仕上する
操作が行われている。
2. Description of the Related Art Asbestos-cement-based roof tiles have been the mainstream of conventional building materials such as roofing materials. This asbestos-cement-based material disintegrates asbestos and uses it for cement, filler,
For example, silica powder, and a paper-making auxiliary agent, for example, pulp and the like are dispersed in water to prepare an aqueous asbestos-cement-based slurry, and the aqueous slurry is made into a sheet by using a paper-making machine such as a cylinder cylinder. When it reaches the desired thickness, remove it from the papermaking machine, cut it to the desired size, press-dehydrate this cut plate, corrugate it if necessary, An operation is performed in which molding such as patterning is performed, and the molded body is cured and cured.

【0003】しかしながら、上記のような従来の石綿−
セメント系建築材料には、機械的強度(例えば踏み割れ
強度)が不十分であるという問題点があった。
However, the above-mentioned conventional asbestos-
The cement-based building material has a problem that mechanical strength (for example, stepping crack strength) is insufficient.

【0004】[0004]

【発明が解決しようとする課題】本発明は、すぐれた機
械的強度、例えば曲げ強度、耐候性、断熱性および遮音
性を有し、従来の石綿−セメント系建築材料にかわり、
屋根材、外壁材、内装材および床材などの建築材料とし
て有用なホットプレス複合材料、およびその製造方法を
提供しようとするものである。
The present invention replaces conventional asbestos-cement building materials with excellent mechanical strength, such as bending strength, weather resistance, heat insulation and sound insulation.
A hot press composite material useful as a building material such as a roof material, an outer wall material, an interior material and a floor material, and a method for producing the same.

【0005】[0005]

【課題を解決するための手段】本発明は、モノメリック
シリカ水溶液、およびポリメリックシリカゾルから選ば
れた少なくとも1種からなるシリカ原材料を充填材およ
び硬化促進剤とともに用いて成形し、これからホットプ
レス硬化体を形成することによって、上記課題の解決に
成功したものである。
According to the present invention, a silica raw material consisting of an aqueous solution of a monomeric silica and at least one selected from a polymeric silica sol is molded together with a filler and a curing accelerator, and then a hot press cured product is formed. The above-mentioned problems have been successfully solved by forming the.

【0006】本発明のホットプレス複合材料は、モノメ
リックシリカ水溶液およびポリメリックシリカゾルから
選ばれた少なくとも1種からなるシリカ原材料と、充填
材と、硬化促進剤とを含む混合成形材料のホットプレス
硬化体よりなることを特徴とするものである。
The hot-press composite material of the present invention is a hot-press cured product of a mixed molding material containing a silica raw material comprising at least one selected from an aqueous solution of monomeric silica and a polymeric silica sol, a filler, and a curing accelerator. It is characterized in that

【0007】本発明のホットプレス複合材料の製造方法
は、モノメリックシリカ水溶液、およびポリメリックシ
リカゾルから選ばれた少なくとも1種からなるシリカ原
材料と、充填材と、硬化促進剤とを含有する混合成形材
料を調製し、この混合成形材料を成形型に注入し、これ
にホットプレス操作を施して成形硬化体を形成すること
を含むものである。
The method for producing a hot-press composite material of the present invention is a mixed molding material containing a silica raw material consisting of an aqueous solution of monomeric silica and at least one selected from polymeric silica sols, a filler, and a curing accelerator. Is prepared, and the mixed molding material is injected into a molding die, and a hot press operation is performed on the mixture to form a molded and hardened body.

【0008】[0008]

【作用】本発明に用いられるモノメリックシリカ水溶液
とは、ケイ酸(xH2O・ySiO2)および水溶性ケイ酸塩(xM
2O・ySiO2 、Mはナトリウム、カリウムなどのアルカリ
金属1分子を表わす)の単量体の水溶液を意味する。本
発明に用いられるモノメリックシリカ水溶液において、
そのシリカ(固形分)濃度は、230〜380g/リッ
トルであることが好ましい。
[Function] The aqueous solution of monomeric silica used in the present invention means silicic acid (xH 2 O.ySiO 2 ) and water-soluble silicate (xM
2 O · ySiO 2 , M means an aqueous solution of a monomer of 1 molecule of an alkali metal such as sodium or potassium). In the aqueous monomeric silica solution used in the present invention,
The silica (solid content) concentration is preferably 230 to 380 g / liter.

【0009】本発明に用いられるポリメリックシリカゾ
ルとは、モノメリックシリカ水溶液または、アルカリ金
属を除去したモノメリックシリカ水溶液を、重合し濃縮
した多量体の水溶液と定義されるものである。本発明に
用いられるポリメリックシリカゾル中のシリカ(固形
分)濃度は250〜420g/リットルであることが好
ましい。
The polymeric silica sol used in the present invention is defined as a polymer aqueous solution obtained by polymerizing and condensing an aqueous solution of a monomeric silica or an aqueous solution of a monomeric silica from which an alkali metal has been removed. The silica (solid content) concentration in the polymeric silica sol used in the present invention is preferably 250 to 420 g / liter.

【0010】本発明に用いられる充填材としては、珪砂
微粉末(例えば10〜20μm以下の粒径を有する粉
末)、珪砂、アルミニウム化合物(例えばアルミン酸ソ
ーダ、および水酸化アルミニウムなど)、骨材(例えば
川砂、砕石など)および木質チップ(木質粉を含む)な
どから選ばれた少なくとも1種からなるものを用いるこ
とが好ましい。本発明に用いられる充填材は、シリカ原
材料のシリカ(固形分)重量に対し、20〜1000重
量%の添加量で用いられることが好ましい。
As the filler used in the present invention, silica sand fine powder (for example, powder having a particle size of 10 to 20 μm or less), silica sand, aluminum compound (for example, sodium aluminate, aluminum hydroxide, etc.), aggregate ( For example, it is preferable to use at least one selected from river sand, crushed stone, etc., and wood chips (including wood powder). The filler used in the present invention is preferably used in an amount of 20 to 1000% by weight based on the weight of silica (solid content) of the silica raw material.

【0011】本発明に用いられる硬化促進剤は、シリカ
原材料の硬化を促進するものであって、例えば、弗素化
合物、(例えばケイ弗化ソーダ)、酸性化合物(例えば
ホウ砂)およびシリカ超微粒子(0.5μm以下、好ま
しくは0.2〜0.4μmの粒径を有するもの)から選
ばれた少なくとも1種からなるものである。本発明にお
いて、硬化促進剤は、シリカ原材料のシリカ(固形分)
重量に対し、5〜50%の添加量で用いられることが好
ましい。
The curing accelerator used in the present invention accelerates the curing of the silica raw material, and includes, for example, a fluorine compound (for example, sodium silicofluoride), an acidic compound (for example, borax) and ultrafine silica particles ( 0.5 μm or less, preferably 0.2 to 0.4 μm). In the present invention, the curing accelerator is silica (solid content) of the silica raw material.
It is preferably used in an amount of 5 to 50% based on the weight.

【0012】本発明のホットプレス複合材料は、補強材
料、例えば、金鋼、ガラス繊維、又は麻の繊維などを含
んでいてもよい。
The hot pressed composite material of the present invention may include a reinforcing material such as gold steel, glass fiber or hemp fiber.

【0013】本発明のホットプレス複合材料は、均等な
組成を有する単一層からなるものであってもよいが、そ
の成分、すなわちシリカ原材料、充填材、硬化促進剤、
および補強材の少なくとも1員の種類、又は含有量にお
いて互に異なる2以上の層を一体化したものであっても
よい。上記の多層構造を有する本発明のシリカ複合材料
は、それぞれの層状体を別個に成形してこれらを合体
し、これにホットプレス操作を施したものであってもよ
いし、或は、各層状体を、順次に成形積層し、これにホ
ットプレス操作を施したものであってもよい。
The hot-pressed composite material of the present invention may consist of a single layer having a uniform composition, but its constituents, namely silica raw material, filler, hardening accelerator,
Also, two or more layers that differ from each other in the kind or content of at least one member of the reinforcing material may be integrated. The silica composite material of the present invention having the above-mentioned multi-layer structure may be one in which the respective layered bodies are separately molded and then combined, and subjected to a hot pressing operation, or each layered body is formed. The body may be sequentially formed and laminated, and the body may be hot-pressed.

【0014】本発明方法において、モノメリックシリカ
水溶液およびポリメリックシリカゾルから選ばれた少な
くとも1種からなるシリカ原材料と、充填材と、硬化促
進剤とを、それぞれ前述の含有量で含有する混合成形材
料を調製し、必要によりこれに補強材料を配置して、成
形型に注入し、これにホットプレス操作を施して成形硬
化体を形成する、この成形硬化体は、成形型から取り出
され、必要に応じて仕上工程に供される。
In the method of the present invention, a mixed molding material containing a silica raw material comprising at least one selected from an aqueous solution of monomeric silica and a polymeric silica sol, a filler, and a curing accelerator in the above-mentioned contents, respectively. After being prepared, if necessary, a reinforcing material is placed in the mold, and the mixture is poured into a molding die and subjected to a hot press operation to form a molded and cured body. The molded and cured body is taken out of the molding die and, if necessary, To be used in the finishing process.

【0015】本発明方法において、混合成形材料は、1
50〜200℃の温度で行われる。この混合成形材料
は、注入操作の可能な粘度を有していることが好まし
い。ホットプレス操作は、150〜200℃の加熱温
度、0.5〜2kg/cmの圧力において、3〜10時間施
されることが好ましい。
In the method of the present invention, the mixed molding material is 1
It is carried out at a temperature of 50 to 200 ° C. It is preferable that the mixed molding material has a viscosity that allows pouring operation. The hot pressing operation is preferably performed for 3 to 10 hours at a heating temperature of 150 to 200 ° C. and a pressure of 0.5 to 2 kg / cm.

【0016】本発明に用いられる成形型の形状・寸法に
制限はない。例えば成形型の下面に、凹凸模様を有する
もの、又は釘孔を成形するために、木製、又はプラスチ
ックス製棒又は釘を成形型の所定位置にさし込んだもの
などあってもよいし、或は2体以上の複合材料を製造す
るために、成形型が2区域以上に仕切りされているもの
であってもよい。
There is no limitation on the shape and size of the mold used in the present invention. For example, the lower surface of the molding die may have an uneven pattern, or a wooden or plastic rod or nail may be inserted into a predetermined position of the molding die to form a nail hole, or the like. Alternatively, in order to manufacture two or more composite materials, the mold may be divided into two or more sections.

【0017】本発明方法において、成形された複合材料
の成形型からの離型を促進するために、成形型内壁面上
に離型剤層が形成されていてもよいし、或は、紙などの
離型材料が配置されていてもよい。成形硬化された複合
材料に付着した離型材料、例えば紙は、ブラストマシン
を用い、シリカサンドなどの研磨材を、エアーとともに
吹き付けることによって除去することができる。
In the method of the present invention, a release agent layer may be formed on the inner wall surface of the molding die in order to accelerate the release of the molded composite material from the molding die, or paper or the like. The release material may be placed. The release material attached to the molded and cured composite material, such as paper, can be removed by blowing an abrasive such as silica sand together with air using a blast machine.

【0018】本発明方法の各種態様を述べるならば下記
の通りである。 (イ)シリカ原材料と、細粉化した珪砂粉、珪砂、アル
ミニウム化合物からなる充填材と、硬化促進剤とを混合
して混合成形用材料を調製し、これを、成形型に注入
し、この注入操作の前、中間、又は後の適宜な時期に補
強用金鋼を成形型内に配置し、この注入された混合成形
材料を150〜200℃、0.5〜2kg/cm2 の条件下
で3〜10時間ホットプレスして硬化させる。
The various aspects of the method of the present invention will be described below. (A) A silica raw material, a filler made of finely divided silica sand powder, silica sand, and an aluminum compound, and a curing accelerator are mixed to prepare a mixed molding material, which is injected into a molding die. The reinforcing gold steel is placed in a mold at an appropriate time before, during, or after the injection operation, and the injected mixed molding material is subjected to the conditions of 150 to 200 ° C. and 0.5 to 2 kg / cm 2 . And hot press for 3 to 10 hours to cure.

【0019】(ロ)前記(イ)項記載の方法において成
形型の底面に、凹凸模様を有する底面成形材を配置し、
必要に応じて補強用金鋼を配置する。 (ハ)前記(イ)項記載の方法において、底面成形材
に、釘孔形成用の木製、又はプラスチックス製釘状体、
又は棒状体をさしこんでおく。
(B) In the method described in (a) above, a bottom surface molding material having an uneven pattern is arranged on the bottom surface of the molding die,
Place reinforcing gold steel as needed. (C) In the method according to the item (A), the bottom molding material is made of wood for forming nail holes, or a nail made of plastics,
Or insert a rod-shaped body.

【0020】(ニ)前記(イ)項記載の方法において、
成形型の底面上に紙を敷き、その上にシリカ原材料を注
入し、このシリカ原材料層の表面に、着色骨材(例えば
白色、赤色、又は黒色のみかげ石を粉砕および、篩わけ
による粒度調整を行った粉末)をふりかけて固め、それ
によって表面形成層を形成した後、その上に前記混合成
形材料を注入し、必要に応じて補強金鋼などを配置し、
前述のようにしてホットプレスする。
(D) In the method described in (a) above,
Spread paper on the bottom of the mold, inject silica raw material on it, and crush colored aggregate (for example, white, red, or black granite on the surface of this silica raw material layer, and adjust the particle size by sieving). (Powdered powder) is sprinkled and hardened, thereby forming a surface forming layer, and then the mixed molding material is injected thereon, and reinforcing gold steel or the like is arranged as necessary,
Hot press as described above.

【0021】(ホ)前記(イ)項、又は(ニ)項に記載
の方法において、混合成形材料に所定の色の着色顔料
(例えば鉄鉱石を粉砕して調製した赤色顔料)を添加
し、これを所望の色に着色する。 (ヘ)前記(イ)項の方法において、充填材として、所
望の大きさの木質チップ(例えば松材チップ)を用い
る。木質チップの大きさに制限はないが、目開き0.5
9〜10mmの篩下を用いることが好ましい。
(E) In the method described in (a) or (d) above, a color pigment of a predetermined color (for example, a red pigment prepared by crushing iron ore) is added to the mixed molding material, This is colored in the desired color. (F) In the method of the above (a), a wood chip (for example, pine wood chip) having a desired size is used as the filler. There is no limit to the size of wood chips, but the opening is 0.5
It is preferable to use a sieve bottom of 9 to 10 mm.

【0022】(ト)上記の方法の各々において、成形型
を用いて第1層を成形し、その上に仕切り材、例えばベ
ニヤ板を敷き、その上に第2層を成形し、この積層され
た第1および第2層に同時にホットプレス操作を施して
これらを同時に硬化し、後に第1層成形硬化体と第2層
成形硬化体とを分離する。
(G) In each of the above methods, the first layer is formed by using a forming die, a partitioning material such as a veneer plate is laid on the first layer, and the second layer is formed on the first layer. The first and second layers are simultaneously hot-pressed to cure them, and then the first layer molded and cured body and the second layer molded and cured body are separated.

【0023】(チ)上記(ト)項に記載の方法において
第1層成形体と第2層成形体とを別々の成形型を用いて
成形し、これらの成形体を成形型から取り出して重ね合
わせ、これにホットプレス操作を施す。
(H) In the method described in (g) above, the first layer molded body and the second layer molded body are molded using separate molding dies, and these molded bodies are taken out from the molding dies and stacked. Then, a hot press operation is performed on this.

【0024】(リ)上記(ト)項および(チ)項記載の
方法を利用して、それぞれ3体の成形硬化体を製造す
る。 (ヌ)3層以上の成形硬化体を製造するに際し、外側の
2層のそれぞれにおいては、充填材として、珪砂などの
無機質材料を用い、中間層においては、充填材として、
木質チップのような有機質材料を用い、これらを仕切り
材を介して積層し、この積層体に同時にホットプレス操
作を施す。 (ル)上記(ヌ)項の方法において、各層成形体を別個
に作成し、これらを仕切り材を介して積層して、この積
層体に、ホットプレスを施す。
(I) Using the methods described in (g) and (h) above, three molded cured products are produced. (G) When manufacturing a molded and cured product having three or more layers, an inorganic material such as silica sand is used as a filler in each of the two outer layers, and a filler is used in the intermediate layer as a filler.
An organic material such as a wood chip is used, these are laminated via a partitioning material, and this laminated body is subjected to hot pressing at the same time. (L) In the method described in the above item (e), each layer molded body is prepared separately, these are laminated via a partitioning material, and this laminated body is subjected to hot pressing.

【0025】(ヲ)前記(ト)および(チ)項の方法に
おいて、2層のうちの1層の充填材として、珪砂などの
無機材料を用い、他層の充填材として木質チップのよう
な有機材料を用いる。
(Wo) In the methods of (g) and (h) above, an inorganic material such as silica sand is used as the filler of one of the two layers, and a filler such as wood chips is used as the filler of the other layer. An organic material is used.

【0026】下記実施例により、本発明を更に説明す
る。実施例1 下記組成の混合成形材料(1)を真空脱泡式混練機を用
いて調製した。 モノメリックシリカ水溶液 10 重量部 (固形分濃度:28%) 珪砂粉(粒径が12μm以下の微粒子) 5 〃 珪砂(6号) 10.7 〃 アルミン酸ソーダ 1 〃 硬化促進剤 1 〃 但し、硬化促進剤は下記組成を有するものであった。 弗素化合物(ケイ弗化ソーダ) 58.9 重量部 超微粒子シリカ粉末(平均粒径0.3μm) 41.1 〃
The present invention will be further described by the following examples. Example 1 A mixed molding material (1) having the following composition was prepared using a vacuum defoaming kneader. Monomeric silica aqueous solution 10 parts by weight (solid content concentration: 28%) Quartz sand powder (fine particles with a particle size of 12 μm or less) 5 〃 Quartz sand (No. 6) 10.7 〃 Sodium aluminate 1 〃 Hardening accelerator 1 〃 However, hardening The accelerator had the following composition. Fluorine compound (sodium fluorosilicate) 58.9 parts by weight Ultrafine silica powder (average particle size 0.3 μm) 41.1 〃

【0027】一方、板状体成形用成形型(長さ80cm、
幅80cm、深さ5cm)を用意し、その底面に、直径3mm
の穴を、縦、横ともに5cmの間隔をもって形成し、これ
らの穴に釘孔形成用竹串をさし込んだ。
On the other hand, a molding die for molding a plate (length 80 cm,
(Width 80 cm, depth 5 cm) is prepared, and the bottom surface has a diameter of 3 mm
Holes were formed at intervals of 5 cm both vertically and horizontally, and bamboo skewers for forming nail holes were inserted into these holes.

【0028】この成形型に、混合成形材料を深さ7mm迄
流し込み、その上に、補強用金鋼(目開き:8mm、針金
径:1.0mm)を置き、これをバイブレーターを用いて
10秒間の振動を付与し、その上に2〜3枚の紙を置
き、その上に加圧用蓋を置いて、これに180℃におい
て1.6kg/cm2 の加圧を5秒間施し、この加圧状態の
まま成形型を乾燥機に装入し、これを180℃の温度で
5時間加熱し注入された混合成形材料を硬化させた。次
に成形型を放冷し、形成された成形硬化体を成形型から
取り出し、その表面に付着している紙をブラストマシン
を用いて常法により除去した。得られた板状ホットプレ
ス複合材料に、常法によりアクリル系エマルジョン塗料
を塗装した。
Into this molding die, the mixed molding material was poured to a depth of 7 mm, and reinforcing gold steel (opening: 8 mm, wire diameter: 1.0 mm) was placed thereon, and this was used for 10 seconds using a vibrator. Vibration is applied, 2-3 sheets of paper are placed on it, a pressure lid is placed thereon, and a pressure of 1.6 kg / cm 2 is applied at 180 ° C. for 5 seconds. In this state, the molding die was placed in a drier and heated at 180 ° C. for 5 hours to cure the injected mixed molding material. Next, the molding die was left to cool, the formed cured product was taken out from the molding die, and the paper adhering to the surface thereof was removed by a conventional method using a blast machine. An acrylic emulsion paint was applied to the obtained plate-shaped hot press composite material by a conventional method.

【0029】得られたホットプレス複合材料は、下記特
性を有していた。 曲げ強度:120kg/cm
The hot pressed composite material obtained had the following properties: Bending strength: 120kg / cm

【0030】実施例2 実施例1と同様の操作を行った。但し、用いた混合成形
材料(2)の組成は下記の通りであった。 モノメリックシリカ水溶液 10 重量部 (シリカ(固形分)濃度:28%) 硬化促進剤 1 〃 木質(松材)チップ 4 〃 (目開き10mm篩上) また、硬化促進剤の組成は下記の通りであった。 弗素化合物(ケイ弗化ソーダ) 58.9重量部 超微粒子シリカ粉末(平均粒径0.3μm) 41.1 〃 また、成形型は長さ80cm、幅80cm、深さ5cmを有
し、平滑な底面を有し、釘穴形成用竹串を用いなかっ
た。
Example 2 The same operation as in Example 1 was performed. However, the composition of the mixed molding material (2) used was as follows. Monomeric silica aqueous solution 10 parts by weight (silica (solid content) concentration: 28%) Curing accelerator 1 〃 Wood (pine) chips 4 〃 (opening 10 mm sieve) The composition of the curing accelerator is as follows. there were. Fluorine compound (sodium fluorosilicate) 58.9 parts by weight Ultrafine silica powder (average particle size 0.3 μm) 41.1 〃 The mold has a length of 80 cm, a width of 80 cm and a depth of 5 cm and is smooth. It had a bottom surface and did not use bamboo skewers for forming nail holes.

【0031】成形型の底面に2〜3枚の紙を敷き、混合
成形材料を深さ3cmに注入した後、その上に2〜3枚の
紙を敷き、実施例1と同様の条件でホットプレス操作を
施した。但し、180℃における加熱時間を8時間とし
た。放冷・脱型後、付着していた紙を実施例1と同様に
除去した。得られた成形硬化体の性能は下記の通りであ
った。 熱伝導度:0.017kcal/m・hr・℃
Two to three sheets of paper were spread on the bottom of the mold, and after pouring the mixed molding material to a depth of 3 cm, two to three sheets of paper were spread on it and hot was applied under the same conditions as in Example 1. A press operation was performed. However, the heating time at 180 ° C. was 8 hours. After cooling and demolding, the attached paper was removed in the same manner as in Example 1. The performance of the obtained molded and cured product was as follows. Thermal conductivity: 0.017kcal / m ・ hr ・ ℃

【0032】実施例3 実施例1に用いられたものと同一の組成を有する混合成
形材料(1)を、真空混練機を用いて調製し、成形型
(長さ:80cm、幅:80cm、深さ5cm)の底に2〜3
枚の紙を敷き、この成形型中に補強金鋼(目開き:8m
m、針金径:1.0mm)を配置した。この成形型中に、
前記混合成形材料(1)を深さ7mm迄注入し、これにバ
イブレーターで10秒間の振動を施した。
Example 3 A mixed molding material (1) having the same composition as that used in Example 1 was prepared using a vacuum kneader, and a molding die (length: 80 cm, width: 80 cm, depth) was prepared. 2-3 cm on the bottom of 5 cm)
Lay a sheet of paper and reinforced gold steel (opening: 8 m in this mold).
m, wire diameter: 1.0 mm). In this mold,
The mixed molding material (1) was poured to a depth of 7 mm and vibrated with a vibrator for 10 seconds.

【0033】この注入物層(1)の上に、薄いベニヤ板
(厚さ:2.7mm、直径:5mmの孔を、縦横両方向に
2.5cmの間隔で形成したもの)を置き、その上に、下
記組成: モノメリックシリカ水溶液 10 重量部 (シリカ(固形分)濃度:28%) 硬化促進剤 1 〃 木質チップ(目開き0.59mm篩下) 2 〃 の混合成形材料(3)を厚さ2mmに注入した。上記硬化
促進剤は下記組成を有するものであった。 弗素化合物(ケイ弗化ソーダ) 58.9重量部 超微粒子シリカ粉末(平均粒径0.3μm) 41.1 〃
A thin veneer plate (thickness: 2.7 mm, diameter: 5 mm with holes formed at intervals of 2.5 cm in both vertical and horizontal directions) was placed on the injected layer (1), and the veneer plate was placed on the thin veneer plate. , The following composition: Monomeric silica aqueous solution 10 parts by weight (silica (solid content) concentration: 28%) Curing accelerator 1 〃 Wood chip (opening 0.59 mm sieve) 2 〃 Mixed molding material (3) thickness Injected to 2 mm. The curing accelerator had the following composition. Fluorine compound (sodium fluorosilicate) 58.9 parts by weight Ultrafine silica powder (average particle size 0.3 μm) 41.1 〃

【0034】次に、この注入物層(2)の上に、実施例
2に記載されたものと同一の組成を有する混合成形材料
(2)を、厚さ3〜4cmに注入した。この注入物層
(3)の上に2〜3枚の紙を敷き、実施例1に記載され
ているように成形蓋をして上記注入物層(1)、(2)
および(3)の積層物に対し、常温で、1.6kg/cm2
のプレス処理を5秒間施し、この加圧状態の成形型を、
乾燥機に入れ180℃で8時間の加熱処理を施して4層
構造(ベニヤ板層を含む)の積層硬化ホットプレス複合
材料を得た。これを放冷・脱型し、表裏面に付着してい
る紙をブラストマシンで除去し、これに常法により所定
の塗装を施した。
Next, a mixed molding material (2) having the same composition as that described in Example 2 was poured on the injected material layer (2) to a thickness of 3 to 4 cm. Two to three sheets of paper were laid on top of this infusate layer (3) and covered with a molding lid as described in Example 1 to provide the above infusate layers (1), (2).
1.6kg / cm 2 at room temperature for the laminate of (3)
Is pressed for 5 seconds, and the mold under this pressure is
It was put in a drier and subjected to heat treatment at 180 ° C. for 8 hours to obtain a laminated hardening hot press composite material having a four-layer structure (including a plywood layer). This was allowed to cool and removed from the mold, the paper adhering to the front and back surfaces was removed by a blast machine, and a predetermined coating was applied to this by a conventional method.

【0035】得られたホットプレス複合材料の性能は下
記の通りであった。 熱伝導度:0.020kcal/m・hr・℃ 遮音性 :45dB
The performance of the obtained hot-pressed composite material was as follows. Thermal conductivity: 0.020 kcal / m ・ hr ・ ℃ Sound insulation: 45 dB

【0036】実施例4 実施例3に記載の操作により成形型中に補強金鋼入り注
入物層(1)(厚さ7mm)、孔開きベニヤ板層(厚さ
2.7mm)、注入物層(2)(厚さ約2mm)、および注
入物層(3)(厚さ3〜4cm)を注入し、更にその上
に、実施例3に記載の組成を有する混合成形材料(3)
を厚さ約2mmに注入して注入物層(4)を形成し、その
上に、上記と同一の孔開きベニヤ板を置き、その上に実
施例1記載の混合成形材料(1)を厚さ7mmに入れて注
入物層(5)を形成した。
Example 4 The injection layer containing reinforcing gold steel (1) (thickness 7 mm), perforated veneer plate layer (thickness 2.7 mm), injection layer ( 2) (thickness about 2 mm), and an injectate layer (3) (thickness 3-4 cm), and further on top of which a mixed molding composition (3) having the composition described in Example 3 is injected.
To a thickness of about 2 mm to form an injectate layer (4), on which the same perforated veneer plate as described above is placed, and the mixed molding material (1) described in Example 1 It was placed in 7 mm to form an injectate layer (5).

【0037】注入物層(5)の上に2〜3枚の紙の置
き、これに、実施例3と同様のホットプレス操作および
仕上操作を施した。得られた7層(2枚のベニヤ板層を
含む)構造の積層硬化ホットプレス複合材料の性能は下
記の通りであった。 熱伝導度:0.023kcal/m・hr・℃ 遮音性 :48dB
Two or three sheets of paper were placed on the injectate layer (5), and the same hot pressing and finishing operations as in Example 3 were performed. The performance of the obtained 7-layer (including 2 layers of veneer plate) laminated hardening hot press composite material was as follows. Thermal conductivity: 0.023 kcal / m ・ hr ・ ℃ Sound insulation: 48 dB

【0038】実施例5 実施例1と同じ操作を行った。但し使用された混合成形
材料(5)の組成は下記の通りであった。 ポリメリックシリカゾル 8 重量部 (シリカ(固形分)濃度42%) 珪砂粉(12μm以下の微粒子) 5 〃 珪砂(6号) 10.7 〃 アルミン酸ソーダ 1 〃 硬化促進剤 1 〃 また、用いられた硬化促進剤の組成は下記の通りであっ
た。 弗素化合物(ケイ弗化ソーダ) 58.9 重量部 超微粒子シリカ粉末(平均粒径0.3μm) 41.1 〃 得られたホットプレス複合材料の性能は下記の通りであ
った。 曲げ強度:200kg/cm
Example 5 The same operation as in Example 1 was performed. However, the composition of the mixed molding material (5) used was as follows. Polymeric silica sol 8 parts by weight (silica (solid content) concentration 42%) Quartz sand powder (fine particles of 12 μm or less) 5 〃 Quartz sand (No. 6) 10.7 〃 Sodium aluminate 1 〃 Curing accelerator 1 〃 Also used curing The composition of the accelerator was as follows: Fluorine compound (sodium fluorosilicate) 58.9 parts by weight Ultrafine silica powder (average particle size 0.3 μm) 41.1 〃 The performance of the obtained hot pressed composite material was as follows. Bending strength: 200kg / cm

【0039】[0039]

【発明の効果】本発明によって、セメントを用いること
なく、実用上すぐれた曲げ強度、断熱性および遮音性を
有し、建築材料として有用なホットプレスシリカ複合材
料が得られることになった。
Industrial Applicability According to the present invention, it is possible to obtain a hot-pressed silica composite material which has practically excellent bending strength, heat insulating property and sound insulating property and is useful as a building material without using cement.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 FI 技術表示箇所 C04B 22:08 A 2102−4G Z 2102−4G 22:12 2102−4G 20:00) B 2102−4G (C04B 28/24 18:24 Z 2102−4G 22:08 A 2102−4G Z 2102−4G 22:12 2102−4G 20:00) B 2102−4G ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display location C04B 22:08 A 2102-4G Z 2102-4G 22:12 2102-4G 20:00) B 2102- 4G (C04B 28/24 18:24 Z 2102-4G 22:08 A 2102-4G Z 2102-4G 22:12 2102-4G 20:00) B 2102-4G

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 モノメリックシリカ水溶液、およびポリ
メリックシリカゾルから選ばれた少なくとも1種からな
るシリカ原材料と、充填材と、硬化促進剤とを含む混合
成形材料のホットプレス硬化体よりなるホットプレス複
合材料。
1. A hot-press composite material comprising a hot-press cured material of a mixed molding material containing a silica raw material composed of an aqueous solution of monomeric silica and at least one selected from polymeric silica sol, a filler, and a curing accelerator. ..
【請求項2】 前記充填材が、珪砂、珪砂微細粉末、ア
ルミニウム化合物、骨材、木質チップから選ばれた少な
くとも1種を含む、請求項1に記載の複合材料。
2. The composite material according to claim 1, wherein the filler contains at least one selected from silica sand, silica sand fine powder, aluminum compounds, aggregates, and wood chips.
【請求項3】 前記混合成形材料が、更に補強材を含
む、請求項1に記載の複合材料。
3. The composite material according to claim 1, wherein the mixed molding material further comprises a reinforcing material.
【請求項4】 前記硬化促進剤が、弗素化合物、酸性化
合物および超微粒シリカ粉末から選ばれた少なくとも1
種からなる、請求項1に記載の複合材料。
4. The hardening accelerator is at least one selected from fluorine compounds, acidic compounds and ultrafine silica powder.
The composite material of claim 1, comprising a seed.
【請求項5】 モノメリックシリカ水溶液、およびポリ
メリックシリカゾルから選ばれた少なくとも1種からな
るシリカ原材料と、充填材と、硬化促進剤とを含有する
混合成形材料を調製し、この混合成形材料を成形型に注
入し、これにホットプレス操作を施して成形硬化体を形
成する、ことを特徴とする複合材料の製造方法。
5. A mixed molding material containing a silica raw material consisting of a monomeric silica aqueous solution and at least one selected from polymeric silica sol, a filler, and a curing accelerator is prepared, and the mixed molding material is molded. A method for producing a composite material, which comprises injecting into a mold and subjecting it to a hot press operation to form a molded and hardened body.
JP31784391A 1991-12-02 1991-12-02 Hot pressed composite material and method of manufacturing the same Expired - Fee Related JP3173831B2 (en)

Priority Applications (1)

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JP31784391A JP3173831B2 (en) 1991-12-02 1991-12-02 Hot pressed composite material and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31784391A JP3173831B2 (en) 1991-12-02 1991-12-02 Hot pressed composite material and method of manufacturing the same

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JPH05148000A true JPH05148000A (en) 1993-06-15
JP3173831B2 JP3173831B2 (en) 2001-06-04

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ID=18092679

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100300019B1 (en) * 1999-06-26 2001-09-22 이영제 Sound Absorbing Material and its Preparing Method
KR100824397B1 (en) * 2006-06-09 2008-04-23 백태현 Method for manufacturing the construction materials using a natural matters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100300019B1 (en) * 1999-06-26 2001-09-22 이영제 Sound Absorbing Material and its Preparing Method
KR100824397B1 (en) * 2006-06-09 2008-04-23 백태현 Method for manufacturing the construction materials using a natural matters

Also Published As

Publication number Publication date
JP3173831B2 (en) 2001-06-04

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