JP2002070239A - Gypsum building material suitable for bearing wall - Google Patents

Gypsum building material suitable for bearing wall

Info

Publication number
JP2002070239A
JP2002070239A JP2000256244A JP2000256244A JP2002070239A JP 2002070239 A JP2002070239 A JP 2002070239A JP 2000256244 A JP2000256244 A JP 2000256244A JP 2000256244 A JP2000256244 A JP 2000256244A JP 2002070239 A JP2002070239 A JP 2002070239A
Authority
JP
Japan
Prior art keywords
gypsum
based building
building material
weight
parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2000256244A
Other languages
Japanese (ja)
Inventor
Kozo Fujikawa
Masanobu Seki
Takuji Yamashita
琢治 山下
幸三 藤川
正伸 関
Original Assignee
Yoshino Gypsum Co Ltd
吉野石膏株式会社
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 Yoshino Gypsum Co Ltd, 吉野石膏株式会社 filed Critical Yoshino Gypsum Co Ltd
Priority to JP2000256244A priority Critical patent/JP2002070239A/en
Publication of JP2002070239A publication Critical patent/JP2002070239A/en
Application status is Pending legal-status Critical

Links

Abstract

PROBLEM TO BE SOLVED: To provide a gypsum building material having inside face improved in strength as a surface material for bearing wall not generating harmful volatile substances, maintaining the excellent performances required for the gypsum building material such as fireproof performance, workability, dimensional stability, economical efficiency, habitability and the like, in particular to provide a gypsum building material for interior finish of which surface hardness is enhanced. SOLUTION: The gypsum building material suitable for the bearing wall in which a core material having an plate-like body is blended with gypsum as a main material, glass fiber and starch so as to form the gypsum building material.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、建築物の壁面に用いられる内装用の面材に関し、詳しくは、内装用の面材としての強度、特に面内剪断剛性(以下、面内強度という)を向上させた耐力壁に適する石膏系建材に関する。 The present invention relates to relates to a surface material for interior decoration used for walls of buildings, particularly, the strength as a surface material for interior, in particular plane shear rigidity (hereinafter referred to as plane intensity) about gypsum-based building material suitable for bearing wall with improved.

【0002】 [0002]

【従来の技術】我が国は、山岳地帯が大半を占め平野部が少なく、政治・経済・交通手段等における利便性から、建築物は平野部に集中している。 BACKGROUND OF THE INVENTION Japan, mountainous area is less plains account for the majority, from the point of view of convenience in political, economic, and transportation means and the like, buildings are concentrated in the plains. また、我が国は、 In addition, Japan,
世界でも有数の地震国であるが、建築物の耐震構造や工法等の開発が進められ、オフィスやホテル等の建築物はそれぞれ高層化されている。 Although it is one of the most earthquake-prone countries in the world, being developed seismic structure and method, etc. of buildings, buildings such as offices and hotels are each high-rise.

【0003】また、戸建て住宅においても、近年では、 [0003] Further, even in detached houses, in recent years,
建設省から木造3階建てが認められ、特に、都市部において、木造3階建て住宅が急激に増加する傾向にある。 Wooden three-story has been recognized from the Ministry of Construction, in particular, in urban areas, wooden three-story house tends to increase rapidly.
この木造3階建ての住宅においては、該住宅の耐震性を向上させる手段として、住宅を構成する壁を耐力壁にすることが図られており、これに適する内装用の面材の開発が進められている。 In housing the wooden three-story, as a means for improving the earthquake resistance of the housing, the walls constituting the housing has been attempted to be a bearing wall, the development of the surface material for interior advances suitable for this It is. また、この耐震性の内装用面材の開発においては、平成7年の阪神淡路大震災を経験して以来、特に、防耐火性を伴うことの重要性が再認識され、木造3階建て住宅にあっては、耐震性と防耐火性に対する要求がますます高まる一方であり、その面材の開発は人々の関心の的になっている。 In addition, in the development of this earthquake resistance of the interior surface material, since experienced the Great Hanshin Earthquake of 1995, in particular, the importance of involving the anti-fire resistance is re-recognition, the wooden three-story house is there, is in one the request is ever increasing for earthquake resistance and anti-fire resistance, the development of the surface material has become the subject of interest of the people. 尚、耐力壁の強度を向上させる内装用の面材は、木造3階建て住宅への使用に限らず、高層建築物においても、その使用は、耐震構造上、有用であることは勿論である。 The surface material for interior decoration of improving the strength of the bearing wall is not limited to use in wooden three-story house, even in high-rise building, its use, seismic structural, of course be useful .

【0004】一方、石膏系建材、特に石膏ボードは、防耐火性に優れた建材であることがよく知られており、さらに、石膏ボードは、他の性状として、寸法安定性、施工性、経済性及び居住性等の優れた性能を合わせ持つので、建築物の内装用面材として、一般住宅やオフィス等のビルの内装下地材として広く使われている。 On the other hand, gypsum-based building materials, in particular gypsum board, is well known to be an excellent building material proof refractory, further, gypsum board, as other properties, dimensional stability, workability, economy because it has combined sex and excellent performance of the residential property and the like, as the interior surface material of the building, it has been widely used as a residential and office buildings interior base material of such. また、石膏ボードの内装用の面材としての強度は、耐力壁に使用する面材としての強度を表す壁倍率が、木造住宅の枠組み工法では「1.5」、軸組工法では「1.0」と、建設省からそれぞれ認定されている。 The intensity as a surface material for interior gypsum board, wall ratio representing the intensity of the face material to be used for load-bearing walls, "1.5" in the framework construction method of wooden house, the framing method "1. 0 ", it has been certified each from the Ministry of Construction.

【0005】 [0005]

【発明が解決しようとする課題】しかしながら、より大きな強度を必要とする木造3階建て住宅等では、石膏ボードに認定された前記の壁倍率(面材の面内強度が大きいほど大)では不足で、さらなる大きな壁倍率、すなわち、大きな面内強度を有する石膏系建材が求められている。 [SUMMARY OF THE INVENTION However, in the wooden three-story house, etc. requiring greater strength, lack in the wall magnification certified as gypsum board (as plane strength of the face material is large large) in a further large wall magnification, i.e., gypsum-based building material having a large in-plane strength is required. また、一般に、石膏系建材は表面硬度が低く、これを使用した壁面は物等が当って傷がつき易いといった欠点があった。 In general, gypsum-based building materials have low surface hardness, wall using this has a drawback such easily scratched hitting the object or the like.

【0006】その点、従来から使用されている建材の一つに、構造用合板がある。 [0006] In this respect, in one of the building materials have been conventionally used, there is a structural plywood. この構造用合板は、石膏系建材と比べ、強度的な面では耐力壁に適した面材ではあるが、防耐火性に劣るという致命的な欠陥を有し、これと共に、この構造用合板には、製造に使用される接着剤に起因する目の痛みや頭痛を誘発する揮発性物質が存在し、住環境上、問題になっている。 The structural plywood as compared to gypsum-based building materials, although the intensity of view it is a face material suitable for bearing wall, has a fatal defect of poor proof refractory, with which, in the structural plywood It is present volatiles induce eye pain and headaches due to adhesives used in the manufacture, living environment on, in question.

【0007】また、石膏系を除く他の無機質系建材においても、耐力壁を構成する面材として開発され市販されているものがないことはないが(例えば、ダイライト)、面材の価格や多額の内装仕上げ費用を要するという問題があり、市場の要求に充分に応えているとは言い難いのが現状である。 [0007] Also in other mineral-based construction materials other than gypsum-based, but not it is not what is being developed commercially as a surface material constituting the bearing wall (e.g., Dairaito), the face material prices and large There is a problem in that it takes the interior finishing cost, at present, it is difficult to say that the response sufficiently to requirements of the market.

【0008】したがって、本発明の目的は、石膏系建材が有する、防耐火性、施工性、寸法安定性、経済性及び居住性等の優れた性能を保持しつつ、有害な揮発性物質を発生させることなく、耐力壁用の面材としての面内強度を向上させた石膏系建材、特に、表面硬度を高めた内装用の石膏系建材を提供することである。 It is therefore an object of the present invention has the gypsum-based construction materials, anti-fire resistant, workability, dimensional stability, while maintaining good performance, such as economy and comfort, generate harmful volatile substances without, gypsum-based building material plane strength is improved as a surface material for load-bearing walls, in particular, it is to provide a gypsum-based building materials for interior with increased surface hardness.

【0009】 [0009]

【課題を解決するための手段】上記目的は以下の本発明によって達成される。 SUMMARY OF THE INVENTION The above object is achieved by the following present invention. すなわち、本発明は、形状が板状体を成す芯材が、石膏を主体とし、該石膏にガラス繊維と澱粉とが配合されて形成されていることを特徴とする耐力壁に適する石膏系建材(A)を提供する。 That is, the present invention provides a core material shape forms a plate-like body, a plaster mainly, gypsum-based building materials that are suitable for load-bearing walls, characterized in that the glass fiber and starch are formed are incorporated into the gypsum to provide (a).

【0010】また、本発明は、形状が板状体を成す芯材が、石膏を主体とし、該石膏にガラス繊維と澱粉とが配合されて形成され、且つ該芯材の表裏面に石膏ボード用原紙またはガラス繊維製部材が接着されていることを特徴とする耐力壁に適する石膏系建材(B)を提供する。 Further, the present invention is the core material shape forms a plate-like body, a plaster mainly, the glass fiber and starch are formed by incorporated into the gypsum and gypsum board on the front and back surfaces of the core material use base paper or glass fiber member provides a gypsum-based building materials (B) suitable for load-bearing walls, characterized in that it is bonded.

【0011】さらに、本発明は、形状が板状体を成す芯材が、石膏を主体とし、該石膏にガラス繊維と澱粉とが配合されて形成され、且つ該芯材の表裏面下の少なくとも一方にガラス繊維製部材が埋設されていることを特徴とする耐力壁に適する石膏系建材(C)を提供する。 Furthermore, the present invention provides a core material shape forms a plate-like body, a plaster mainly, the glass fiber and starch are formed by incorporated into the gypsum, and at least the front and back surfaces of a core material on the other hand, to provide a gypsum-based building materials (C) suitable for load-bearing walls, wherein the glass fiber member is embedded.

【0012】 [0012]

【発明の実施の形態】次に実施の形態を挙げて本発明をさらに詳細に説明する。 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, cited embodiments to illustrate the present invention in more detail. 上記第1発明の耐力壁に適する石膏系建材Aは、図1にその横断を図解的に示すように、形状が板状体を成す芯材1が、石膏を主体とし、該石膏にガラス繊維と澱粉とが配合されて形成されている。 The gypsum-based building material A suitable bearing wall of the first invention, as shown the cross diagrammatically in Figure 1, the core 1 in shape forms a plate-like body, mainly gypsum, glass fibers to the gypsum and the starch is formed by blending. また、第2発明の耐力壁に適する石膏系建材Bは、 Further, gypsum-based building material B suitable for load-bearing walls of the second invention,
図2にその横断を図解的に示すように、形状が板状体を成す芯材1が、石膏を主体とし、該石膏にガラス繊維と澱粉とが配合されて形成され、且つ該芯材1の表裏面に石膏ボード用原紙2またはガラス繊維製部材(図示されていない)が接着されている。 The cross as shown diagrammatically in FIG. 2, the core 1 in shape forms a plate-like body, a plaster mainly, the glass fiber and starch are formed by incorporated into the gypsum, and the core material 1 plasterboard base paper 2 or fiberglass members on the front and back surfaces of the (not shown) is bonded. 尚、ガラス繊維製部材とはガラス繊維を織った布状のもの及びネット状のガラス繊維不織布等を云う。 Incidentally, it refers to those like cloth woven glass fibers and the net-shaped glass fiber nonwoven fabric is a glass fiber member. さらに、第3発明の耐力壁に適する石膏系建材Cは、図3にその横断の一部を図解的に示すように、形状が板状体を成す芯材1が、石膏を主体とし、該石膏にガラス繊維と澱粉とが配合されて形成され、且つ該芯材1の表裏面下の少なくとも一方(図では芯材1の表裏面下のそれぞれ)に、ガラス繊維製部材2'が埋設されている。 Moreover, gypsum-based building material C suitable for load-bearing walls of the third invention, as shown a portion of its cross diagrammatically in Figure 3, the core material 1 in shape forms a plate-like body, mainly gypsum, the gypsum and glass fibers and starch is formed by blending in, and at least one of the front and back surfaces of a core material 1 (respectively under the front and back surfaces of the core material 1 in the figure), it is embedded fiberglass member 2 ' ing.

【0013】上記の石膏系建材Aとは、芯材1が上記配合で形成された板状体の表裏面に、石膏ボード用原紙やガラス繊維製部材等を積層しない、または芯材中に埋設しない単なる石膏板を云い、その比重は0.6〜1. [0013] The above gypsum-based building material A, a core material 1 is the front and back surfaces of the plate-like body formed by the above formulation, without laminating gypsum board base paper and glass fiber member such as, or embedded in the core It refers to was not just a gypsum board, its specific gravity is 0.6 to 1.
3、好ましくは0.8〜1.1である。 3, preferably from 0.8 to 1.1.

【0014】また、上記の石膏系建材Bとは、両面石膏ボード用原紙張繊維混入硬質石膏板及びガラス繊維製部材積層石膏板等を云い、(1)両面石膏ボード用原紙張繊維混入硬質石膏板は、芯材1が上記の配合で形成された板状体の表裏面に石膏ボード用原紙2が接着した構造を成し、その比重は0.6〜1.3、好ましくは0.8 [0014] The above-mentioned gypsum-based building material B, refers to both surfaces gypsum sheet clad fiber incorporation hard gypsum board boards and glass fiber member laminated gypsum board or the like, (1) a base paper Zhang fiber incorporation hard gypsum for duplex plasterboard plate, forms a structure in which the core material 1 for gypsum board liner 2 on the front and back surfaces of the plate-like body formed by the above formulation is adhered, the specific gravity of from 0.6 to 1.3, preferably 0.8
〜1.1であり、(2)ガラス繊維製部材積層石膏板は、芯材1が上記の配合で形成された板状体の表裏面にガラス繊維製部材が接着した構造を成し、その比重は0.6〜1.3、好ましくは0.8〜1.1である。 Is to 1.1, (2) glass fiber member stack gypsum board, forms a core 1 is adhered is glass fiber member to the front and back surfaces of the plate-like body formed by the above formulation structure, its the specific gravity is 0.6 to 1.3, preferably 0.8 to 1.1.

【0015】また、石膏系建材Cとは、形状が板状体を成す芯材1が上記の配合で形成され、この芯材の表裏面下の少なくとも一方(図では両方)にガラス繊維製部材2'が埋設された構造の、いわゆるガラス繊維製部材入り石膏板を云い、その比重は0.6〜1.3であり、好ましくは0.8〜1.1である。 [0015] The gypsum-based building materials C, shaped core 1 constituting the plate member is formed by the above formulation, fiberglass member on at least one of the front and back surfaces under the core (both in the drawing) 2 'is buried structure, refers to the so-called glass fiber member containing plaster board, its specific gravity is 0.6 to 1.3, preferably from 0.8 to 1.1. そして、そのガラス繊維製部材の埋設位置は特に限定されないが、表層の石膏層の厚みが少なくとも約0.5mmになるように埋設すると、石膏系建材Cの表面は石膏層で覆われた美麗なものとなる。 Then, its buried position of the glass fiber member is not particularly limited, the thickness of the surface layer of plaster layer is buried so as to be at least about 0.5 mm, the surface of the gypsum-based building material C is a beautiful covered with plaster layer the things.

【0016】尚、上記石膏系建材A、B及びCのそれぞれの比重は、各面材の面内強度を向上させるうえで、上記記載のそれぞれの範囲内に納めることが肝要である。 [0016] Incidentally, the gypsum-based building material A, each of the specific gravity of B and C, in order to improve the in-plane strength of each surface material, it is important to pay within the respective ranges described above.

【0017】また、上記石膏系建材A、B及びCの各製造は、石膏系建材Bにおいては、公知の石膏ボード製造用の設備を用いて行うことができ、石膏系建材Bは、それぞれ配合される上記物質(ただし、石膏にあっては焼石膏を使用する)に、水を添加し混合して得られる石膏スラリーを、上下の前記石膏ボード用原紙2またはガラス繊維製部材の間に流し込み、上下にロールを配した成型機で所定の厚さと幅の板状に連続成形して搬送し、硬化後に粗切断し、次いで、乾燥工程に導き乾燥後に製品寸法に切断して得られる。 Further, the gypsum-based building material A, the production of B and C, in gypsum-based building material B, can be carried out using the equipment for the known gypsum board production, gypsum-based building material B are respectively compounded the substance (however, in the plaster using a plaster of Paris) which is to the gypsum slurry obtained by adding water mixture then poured between and below the plasterboard base paper 2 or fiberglass member , vertically transported continuously formed in a plate shape having a predetermined thickness and width molding machine arranged roll, roughly cut after curing, then obtained by cutting the product dimensions after drying led to a drying step. その点、芯材のみでなる石膏系建材Aとガラス繊維製部材入り石膏板の石膏系建材C That respect, gypsum-based building material C of gypsum-based building materials A and glass fiber member containing gypsum board formed by only the core material
の各製造は、成型機を石膏系建材Bの製造における成型機と異にするが、他は石膏系建材Bの製造と同様である。 Each preparation of, is different in molding machine and a molding machine in the production of gypsum-based building material B, the other is the same as the manufacturing of gypsum-based building material B. それに使用する成型機として、特公昭63−654 As a molding machine to be used to it, JP-B-63-654
82号公報に開示された上下に配した成型ベルトを用いる設備を例示できる。 It can be exemplified equipment using a molding belt arranged vertically disclosed in 82 JP.

【0018】さらに、上記石膏系建材A、B及びCのそれぞれの軽量化を図るために、公知の泡剤や発泡させたシラスバルーン及びパーライト等の軽量骨材を適宜必要に応じて配合させることができる。 Furthermore, the gypsum-based building material A, in order to each of the weight of the B and C, be formulated according to the appropriate need lightweight aggregates such as Shirasu balloons, and pearlite obtained by known foaming agents or foaming can.

【0019】また、上記石膏系建材A、B及びCの強度を補強するために、古紙やその他のパルプ繊維を配合させることや、他の性状を向上させるために行う配合は公知の石膏ボードと同様に手当てすることができる。 Further, in order to reinforce the strength of the gypsum-based building materials A, B and C, and that of mixing the waste paper and other pulp fibers, compounding carried out in order to improve other properties and known plasterboard it is possible to pay in the same way.

【0020】また、上記それぞれ配合されるガラス繊維は、石膏系建材の面内強度を向上させ、その配合量は、 Further, the glass fiber to be blended respectively above improves the in-plane strength of gypsum-based building materials, the amount thereof,
石膏100重量部当りあたり0.3〜5重量部であり、 Is 0.3 to 5 parts by weight per per 100 parts by weight of gypsum,
好ましくは0.5〜3重量部である。 Preferably 0.5 to 3 parts by weight. 尚、0.3重量部未満では石膏系建材の面内強度の向上は少なく、5重量部を越えると、芯材中におけるガラス繊維の分散状態が悪くなるばかりでなく、焼石膏等との混練中に、トラブルが発生し連続して石膏系建材を生産することができなくなるからである。 Note that less improvement in the plane strength of gypsum-based building material is less than 0.3 part by weight, it exceeds 5 parts by weight, not only the dispersion state of glass fibers is poor in the core material, kneading with the calcined gypsum, etc. during, because trouble occurs continuously it is not possible to produce a gypsum-based building materials. そして、石膏系建材の面内強度を好ましく向上させ、且つ連続して生産するためには、配合されるガラス繊維の形状は、径が5〜25μm、長さが1/8〜2インチであり、好ましくは、径が7〜13μ Then, the in-plane strength of gypsum-based building material is preferably improved, in order to produce and in succession, the shape of the glass fiber to be blended has a diameter 5 to 25 [mu] m, is 1 / 8-2 inches in length , preferably has a diameter 7~13μ
m、長さが1/8〜1インチである。 m, which is 1 / 8-1 inches in length. 尚、ガラス繊維の分散性をよくするために、予め該繊維の表面を焼石膏で覆っておくことができる。 Incidentally, it is possible to improve the dispersibility of the glass fibers in advance to cover the surface of the previously said fibers in plaster of Paris.

【0021】さらに、上記配合される澱粉は、石膏系建材A、B及びCのそれぞれの面内強度が向上するのを助長するばかりでなく、ガラス繊維の存在によるその働きと相まって、石膏系建材の面内強度をさらに向上させる。 Furthermore, starch is the formulation not only helps to improve the respective plane strength of gypsum-based building materials A, B and C, together with its work due to the presence of glass fibers, gypsum-based building materials further improve the plane strength. その澱粉の配合量は、石膏100重量部当り、0. The amount of the starch, gypsum per 100 parts by weight, 0.
3〜5重量部であり、好ましくは0.5〜3重量部である。 A 3-5 parts by weight, preferably 0.5 to 3 parts by weight. そして、配合する澱粉の種類は特に限定されず、また、その酸処理(澱粉のα化)の有無を問わず使用できるが、エーテル化澱粉を使用することが、面内強度を向上させる上で好都合である。 The type of starch to be blended is not particularly limited, and, on the can be used with or without the acid treatment (alpha of the starch), the use of etherified starch, to improve the in-plane intensity it is convenient. 尚、相乗効果が得られる好適な澱粉とガラス繊維の配合比は約1:1(重量比)である。 The mixing ratio of suitable starches and glass fibers synergistic effects are obtained is about 1: 1 (weight ratio).

【0022】また、石膏系建材A、B及びCのそれぞれの表面硬度を向上させるために、公知の酢酸ビニル系樹脂を配合できる。 Further, in order to improve their surface hardness of gypsum-based building materials A, B and C, can be blended with known vinyl acetate resin. その配合量は、石膏100重量部当り0.1〜5重量部であり、好ましくは0.3〜2重量部である。 Its amount is 100 parts by weight per 0.1 to 5 parts by weight gypsum, preferably 0.3 to 2 parts by weight. 尚、0.1重量部未満では効果がなく、5重量部を越えると経済的でないからである。 Incidentally, no effect is less than 0.1 part by weight, because not economical if it exceeds 5 parts by weight.

【0023】また、石膏系建材A、B及びCのそれぞれの防水性を向上させるために、パラフィン系またはシリコン系等の公知の防水剤を使用できる。 Further, in order to improve the respective waterproof gypsum-based building materials A, B and C, can be used a known waterproofing agents such as paraffin or silicone-based. その配合量は、 The amount thereof,
石膏100重量部当り0.1〜5重量部であり、好ましくは0.3〜3.5重量部である。 A gypsum per 100 parts by weight of 0.1 to 5 parts by weight, preferably 0.3 to 3.5 parts by weight. 特に防水剤が配合された石膏系建材A、B及びCは、台所、洗面所及び風呂場等の水回りの耐力壁を構成する面材として使用すると、該石膏系建材がはっ水性を発揮するので、吸湿による面内強度が低下せず、特に、水回り用の好適な材料となる。 In particular waterproofing agent formulated gypsum-based building materials A, B and C, kitchen, exhibited when used as a surface material constituting the toilet and around the water bearing walls of the bathroom or the like, the gypsum-based building materials water repellency since, it does not decrease the in-plane strength due to moisture absorption, in particular, the preferred material for the water supply.

【0024】 [0024]

【実施例】次に実施例を挙げて本発明をさらに具体的に説明する。 EXAMPLES The present invention will next examples will be described more specifically. I. I. 石膏系建材Bの石膏ボードについて、 (例1〜6)常用されている石膏ボードの製造設備を用い、図2に示される石膏ボードBを構成する芯材1が、 For plasterboard gypsum-based building material B, (Examples 1-6) using the manufacturing facility of gypsum board that is commonly used, is the core 1 constituting the gypsum board B shown in FIG. 2,
下記の表1に示される配合になるように、焼石膏に、径及び長さのそれぞれが9μm及び1/4インチである日本電気硝子社製のガラス繊維(商品名E−CHOP)及び日本コーンスターチ社製の澱粉(商品名ナガラB)を添加し水と混合して石膏スラリーを得、米坪220g/ So that the formulation shown in Table 1 below, plaster of Paris, the diameter and the length of each is 9μm and 1/4 manufactured by Nippon Electric Glass Co., Ltd. Glass fiber (trade name E-CHOP) and Nihon Cornstarch It added the company made of starch (trade name Nagara B) is mixed with water to obtain a gypsum slurry, basis weight 220g /
2の石膏ボード用原紙2を用いて、常法により、厚さ12.5mm、幅910mm及び長さ1820mmの比重が1である6種類の石膏ボードBを得た。 using gypsum board base paper for 2 m 2, by a conventional method, the thickness of 12.5 mm, a specific gravity of width 910mm and length 1820mm to obtain six types of gypsum board B is 1. 尚、例6が本発明に相当し、他は比較例である。 The example 6 corresponds to the present invention, others are comparative examples.

【0025】表1 石膏100重量部当りの各配合量 [0025] Table 1 Each amount of gypsum per 100 parts by weight

【0026】II. [0026] II. 石膏系建材Cのガラス繊維製部材入り石膏板について、 (例7〜13)常用されている石膏ボードの製造設備における成型機の代わりに、前記特公昭63−65482 For glass fiber member containing gypsum board of gypsum-based building material C, and instead of the molding machine in the production facility of gypsum board that is commonly used (eg 7-13), the Japanese Patent Publication 63-65482
号公報に開示された上下に配した成型ベルトを用い、図3に示されるガラス繊維製部材入り石膏板Cを構成する芯材1が、下記の表2に示される配合になるように、例1〜6と同様にして石膏スラリーを得、ガラス繊維製部材としてオリベスト社製のガラスメッシュ2'を用いて、常法により、厚さ12.5mm、幅910mm及び長さ1820mmの比重が1である6種類のガラス繊維製部材入り石膏板Cを得た。 No. with molding belt arranged to the disclosed vertically publication, so that the core 1 constituting the glass fiber member containing gypsum plate C shown in FIG. 3, the formulations shown in Table 2 below, Example to obtain a gypsum slurry in the same manner as in 1-6, using a glass mesh 2 'Oribesuto manufactured as glass fiber member, by a conventional method, the thickness of 12.5 mm, with 1 specific gravity of width 910mm and length 1820mm to give some 6 kinds of glass fiber member containing gypsum board C. 尚、焼石膏に配合するガラス繊維及び澱粉は例2〜6のときと同様のものを使用し、また、酢酸ビニル系樹脂はクラリアントポリマー社製の商品名モビニールを使用した。 The glass fiber and starch formulated in gypsum using the same in the case of Example 2-6, also vinyl acetate resin was used trade name Movinyl manufactured by Clariant Polymer Co.. 尚、例12及び例1 Incidentally, Example 12 and Example 1
3が本発明に相当し、他は比較例である。 3 corresponds to the present invention, others are comparative examples.

【0027】表2 石膏100重量部当りの配合量 [0027] Table 2 amount of gypsum per 100 parts by weight

【0028】III.各石膏系建材の評価(面内強度と表面硬度) (a)例1〜6で得られた各石膏ボード ・面内強度 石膏系建材の面内強度の評価として、一般に、釘側面抵抗値が採用されていることから、例1〜6で得られたそれぞれの石膏ボードについて、気乾条件で釘側面抵抗を測定した。 [0028] III. As an evaluation of the in-plane strength of the evaluation (in-plane strength and surface hardness) (a) each gypsum board plane strength gypsum-based building materials obtained in Examples 1 to 6 each gypsum-based building materials, in general, since the nail side resistance is employed for each of the gypsum board obtained in examples 1-6 were measured nail side resistance air-dried condition. その測定方法は、ASTM D1037に定める方法に準じて行った。 The measurement method, was carried out in accordance with the method set forth in ASTM D1037. 測定結果を表3に示す。 The measurement results are shown in Table 3. ・表面硬度 石膏ボードの表層が石膏ボード用原紙であることから、 Since Surface hardness surface layer of gypsum board is a base paper for gypsum board,
省略した。 It was omitted.

【0029】表3 石膏ボードの釘側面抵抗の測定結果 [0029] Table 3 measurement results of the nail side resistance of gypsum board

【0030】(b)例7〜13で得られた各ガラス繊維製部材入り石膏板 ・面内強度 例7〜13で得られたそれぞれのガラス繊維製部材入り石膏板について、上記(a)と同様にして釘側面抵抗を測定した。 [0030] (b) respectively, for glass fiber member containing gypsum board obtained in each of fiberglass member containing gypsum plate-plane strength Example 7-13 obtained in Example 7-13, the (a) and It was measured nail side resistance in the same manner. ・表面硬度 各石膏系建材の表面性の評価として、JIS A690 Surface hardness as evaluation of the surface of each gypsum-based building material, JIS A690
4「せっこうプラスター」に定める硬度試験に準じて行った。 4 was carried out in accordance with the hardness test specified in the "Zhejiang plaster". 測定結果を表4に示す。 The measurement results are shown in Table 4.

【0031】表4 ガラス繊維製部材入り石膏板の釘側面抵抗及び表面硬度の測定結果 [0031] Table 4 nail side of the glass fiber member containing gypsum plate resistance and measurement of surface hardness results

【0032】尚、例1〜13で得られたそれぞれの石膏ボードとガラス繊維製部材入り石膏板の石膏系建材は、 [0032] Incidentally, gypsum-based building material of each plaster boards and glass fiber member containing gypsum plates obtained in Examples 1 to 13,
いずれも有害な揮発性物質の発生はなかった。 Either there was no occurrence of harmful volatile substances.

【0033】 [0033]

【発明の効果】本発明によれば、石膏系建材が有する、 According to the present invention, a gypsum-based building materials,
防耐火性、施工性、寸法安定性、経済性及び居住性等の優れた性能を保持しつつ、有害な揮発性物質を発生させることなく、耐力壁用の面材としての面内強度の向上した石膏系建材、特に、表面硬度を高めた内装用の石膏系建材が得られる。 Proof refractory, workability, dimensional stability, while maintaining good performance, such as economy and comfort, without causing harmful volatile substances, improving the plane intensity as a surface material for bearing wall gypsum-based building materials, in particular, gypsum-based building materials for interior with increased surface hardness is obtained.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】 芯材からなる石膏系建材の横断面図。 Figure 1 is a cross-sectional view of a gypsum-based building material consisting of a core material.

【図2】 芯材の表裏面のそれぞれに石膏ボード用原紙が接着された石膏系建材の横断面図。 Figure 2 is a cross-sectional view of a gypsum-based building material for gypsum board liner is bonded to each of the front and back surfaces of the core material.

【図3】 芯材の表裏面下のそれぞれにガラス繊維製部材が埋設された横断の一部を示す横断面図。 Figure 3 is a cross-sectional view of a portion of the cross of glass fiber member is embedded in each of the lower front and back surfaces of the core material.

【符号の説明】 DESCRIPTION OF SYMBOLS

A:芯材からなる石膏系建材 B:芯材の表裏面のそれぞれに石膏ボード用原紙が接着された石膏系建材 C:芯材の表裏面下のそれぞれにガラス繊維製部材が埋設された石膏系建材 1:芯材 2:石膏ボード用原紙 2':ガラス繊維製部材 A: gypsum-based building material B made of the core material: gypsum-based building material gypsum board liner is bonded to each of the front and back surfaces of the core material C: gypsum glass fiber member is embedded in each of the lower front and back surfaces of the core material system Building materials 1: core 2: gypsum board liner 2 ': fiberglass member

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl. 7識別記号 FI テーマコート゛(参考) C04B 14:42 C04B 14:42 B 24:38 24:38 Z 24:26) 24:26) C (72)発明者 山下 琢治 東京都足立区江北2−1−1 吉野石膏株 式会社技術研究所内 Fターム(参考) 2E162 CE00 FA02 FA14 FD00 4F100 AE06A AG00A AG00B AG00C AJ07A AK22A BA01 BA03 BA06 BA10B BA10C BA13 CA30A DG01A DG01B DG01C DG10B DG10C GB08 JD05A JJ07 JK01 JK12 JK14 JL01 JL02 JL04 YY00A 4G012 PA17 ────────────────────────────────────────────────── ─── front page continued (51) Int.Cl. 7 identifications FI theme coat Bu (reference) C04B 14:42 C04B 14:42 B 24:38 24:38 Z 24:26) 24:26) C (72 ) inventor Takuji Yamashita Adachi-ku, Tokyo Jiangbei 2-1-1 Yoshino gypsum Co., Ltd. Institute of technology in the F-term (reference) 2E162 CE00 FA02 FA14 FD00 4F100 AE06A AG00A AG00B AG00C AJ07A AK22A BA01 BA03 BA06 BA10B BA10C BA13 CA30A DG01A DG01B DG01C DG10B DG10C GB08 JD05A JJ07 JK01 JK12 JK14 JL01 JL02 JL04 YY00A 4G012 PA17

Claims (11)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 形状が板状体を成す芯材が、石膏を主体とし、該石膏にガラス繊維と澱粉とが配合されて形成されていることを特徴とする耐力壁に適する石膏系建材。 1. A core material shape forms a plate-like body, a plaster mainly, gypsum-based building materials that are suitable for load-bearing walls, characterized in that the glass fiber and starch are formed are incorporated into the gypsum.
  2. 【請求項2】 形状が板状体を成す芯材が、石膏を主体とし、該石膏にガラス繊維と澱粉とが配合されて形成され、且つ該芯材の表裏面に石膏ボード用原紙またはガラス繊維製部材が接着されていることを特徴とする耐力壁に適する石膏系建材。 2. A core material shape forms a plate-like body, a plaster mainly, the glass fiber and starch are formed by incorporated into the gypsum and gypsum board base paper or glass on the front and back surfaces of the core material gypsum-based building materials textile member is suitable for load-bearing walls, characterized in that it is bonded.
  3. 【請求項3】 形状が板状体を成す芯材が、石膏を主体とし、該石膏にガラス繊維と澱粉とが配合されて形成され、且つ該芯材の表裏面下の少なくとも一方にガラス繊維製部材が埋設されていることを特徴とする耐力壁に適する石膏系建材。 3. A core material shape forms a plate-like body, a plaster mainly, the glass fiber and starch are formed by incorporated into the gypsum, and glass fibers in at least one of the front and back surfaces of a core material gypsum-based building materials that are suitable for load-bearing walls, wherein the manufactured member is embedded.
  4. 【請求項4】 芯材が、さらに、酢酸ビニル系樹脂が配合されて形成されている請求項1〜3の何れか1項に記載の耐力壁に適する石膏系建材。 Wherein the core material further, gypsum-based building material suitable for bearing wall according to any one of claims 1 to 3, vinyl acetate-based resin is formed by blending.
  5. 【請求項5】 芯材が、さらに、酢酸ビニル樹脂と防水剤とが配合されて形成されている請求項1〜3の何れか1項に記載の耐力壁に適する石膏系建材。 Wherein the core material further, gypsum-based building material suitable for bearing wall according to any one of claims 1 to 3, vinyl acetate resin and a waterproofing agent are formed by blending.
  6. 【請求項6】 ガラス繊維の配合量が、石膏100重量部当たり、0.3〜5重量部である請求項1〜5の何れか1項に記載の耐力壁に適する石膏系建材。 6. A blending amount of glass fiber, gypsum per 100 parts by weight, gypsum-based building material suitable for bearing wall according to any one of claims 1 to 5, 0.3 to 5 parts by weight.
  7. 【請求項7】 ガラス繊維の長さが、1/8〜2インチの範囲にある請求項1〜6の何れか1項に記載の耐力壁に適する石膏系建材。 7. A length of the glass fiber, 1 / 8-2 inches gypsum-based building material suitable for bearing wall according to any one of claims 1 to 6, is in the range of.
  8. 【請求項8】 澱粉の配合量が、石膏100重量部当たり、0.3〜5重量部である請求項1〜7の何れか1項に記載の耐力壁に適する石膏系建材。 The amount of 8. starch, gypsum per 100 parts by weight, gypsum-based building material suitable for bearing wall according to any one of claims 1 to 7 is 0.3 to 5 parts by weight.
  9. 【請求項9】 澱粉が、エーテル化澱粉である請求項1 9. starch, claim 1 is etherified starch
    〜8の何れか1項に記載の耐力壁に適する石膏系建材。 Gypsum-based building material suitable for bearing wall according to any one of 8.
  10. 【請求項10】 酢酸ビニル系樹脂の配合量が、石膏1 10. A blending amount of the vinyl acetate resin is, plaster 1
    00重量部当たり、0.1〜5重量部である請求項1〜 00 parts by weight per claim 1 is 0.1 to 5 parts by weight
    9の何れか1項に記載の耐力壁に適する石膏系建材。 Gypsum-based building material suitable for bearing wall according to any one of 9.
  11. 【請求項11】 防水剤の配合量が、石膏100重量部当たり0.1〜5重量部である請求項1〜10の何れか1項に記載の耐力壁に適する石膏系建材。 11. amount of waterproofing agent, gypsum-based building material suitable for bearing wall according to any one of claims 1 to 10, from 0.1 to 5 parts by weight per 100 parts by weight of gypsum.
JP2000256244A 2000-08-25 2000-08-25 Gypsum building material suitable for bearing wall Pending JP2002070239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000256244A JP2002070239A (en) 2000-08-25 2000-08-25 Gypsum building material suitable for bearing wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000256244A JP2002070239A (en) 2000-08-25 2000-08-25 Gypsum building material suitable for bearing wall

Publications (1)

Publication Number Publication Date
JP2002070239A true JP2002070239A (en) 2002-03-08

Family

ID=18744882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000256244A Pending JP2002070239A (en) 2000-08-25 2000-08-25 Gypsum building material suitable for bearing wall

Country Status (1)

Country Link
JP (1) JP2002070239A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006095745A (en) * 2004-09-28 2006-04-13 Yoshino Gypsum Co Ltd Gypsum board using recycled gypsum
WO2007055074A1 (en) * 2005-11-09 2007-05-18 Yoshino Gypsum Co., Ltd. Composition for building material, plasterboard, and technique, wall, and the like employing or formed from these
JP2007535583A (en) * 2003-12-10 2007-12-06 イノベイティブ コンストラクション アンド ビルディング マテリアルズ, エルエルシー Organic-inorganic composite material
JP2011502094A (en) * 2007-10-31 2011-01-20 ユナイテッド・ステイツ・ジプサム・カンパニー High hydroxyethyl starch in the gypsum wallboard level and high dispersant level
CN102041869A (en) * 2009-10-16 2011-05-04 孙凯 Mixed gypsum wallboard
RU2462429C1 (en) * 2011-09-30 2012-09-27 Юлия Алексеевна Щепочкина Crude mixture for making sculpture
CN103755301A (en) * 2014-01-02 2014-04-30 宁夏建筑材料研究院(有限公司) Preparation method of grade-A fireproof external thermal insulation material
RU2555963C1 (en) * 2014-06-18 2015-07-10 Юлия Алексеевна Щепочкина Raw material mixture for smoothing surface of gypsum products
CN105201134A (en) * 2015-10-11 2015-12-30 郭金艳 Insulating external wall panel
CN105386541A (en) * 2015-10-13 2016-03-09 戴俊杰 Curtain wall for residential building
US9802866B2 (en) 2005-06-09 2017-10-31 United States Gypsum Company Light weight gypsum board
US9840066B2 (en) 2005-06-09 2017-12-12 United States Gypsum Company Light weight gypsum board

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007535583A (en) * 2003-12-10 2007-12-06 イノベイティブ コンストラクション アンド ビルディング マテリアルズ, エルエルシー Organic-inorganic composite material
JP2006095745A (en) * 2004-09-28 2006-04-13 Yoshino Gypsum Co Ltd Gypsum board using recycled gypsum
JP4494151B2 (en) * 2004-09-28 2010-06-30 吉野石膏株式会社 Recycling gypsum used gypsum board
US9802866B2 (en) 2005-06-09 2017-10-31 United States Gypsum Company Light weight gypsum board
US9840066B2 (en) 2005-06-09 2017-12-12 United States Gypsum Company Light weight gypsum board
KR100984888B1 (en) * 2005-11-09 2010-10-01 요시노 셋고 가부시키가이샤 Composition for building material, plasterboard, and technique, wall, and the like employing or formed from these
KR100984931B1 (en) * 2005-11-09 2010-10-01 요시노 셋고 가부시키가이샤 Composition for building material, plasterboard, and technique, wall, and the like employing or formed from these
JP5405745B2 (en) * 2005-11-09 2014-02-05 吉野石膏株式会社 Building material composition, and gypsum board and method and a wall or the like using them
WO2007055074A1 (en) * 2005-11-09 2007-05-18 Yoshino Gypsum Co., Ltd. Composition for building material, plasterboard, and technique, wall, and the like employing or formed from these
JP2011502094A (en) * 2007-10-31 2011-01-20 ユナイテッド・ステイツ・ジプサム・カンパニー High hydroxyethyl starch in the gypsum wallboard level and high dispersant level
CN102041869A (en) * 2009-10-16 2011-05-04 孙凯 Mixed gypsum wallboard
CN102041869B (en) 2009-10-16 2014-08-06 孙凯 Mixed gypsum wallboard
RU2462429C1 (en) * 2011-09-30 2012-09-27 Юлия Алексеевна Щепочкина Crude mixture for making sculpture
CN103755301A (en) * 2014-01-02 2014-04-30 宁夏建筑材料研究院(有限公司) Preparation method of grade-A fireproof external thermal insulation material
RU2555963C1 (en) * 2014-06-18 2015-07-10 Юлия Алексеевна Щепочкина Raw material mixture for smoothing surface of gypsum products
CN105201134A (en) * 2015-10-11 2015-12-30 郭金艳 Insulating external wall panel
CN105386541A (en) * 2015-10-13 2016-03-09 戴俊杰 Curtain wall for residential building

Similar Documents

Publication Publication Date Title
CA1141640A (en) Building components
CN103104064B (en) Lightweight composite gypsum board and preparation method
US5552187A (en) Coated fibrous mat-faced gypsum board
RU2475361C2 (en) Gypsum wall board with low dusting
CA2111979C (en) Foamed cementitious composition and method of making
US6613424B1 (en) Composite structure with foamed cementitious layer
US4195110A (en) Glass-reinforced composite gypsum board
EP1088799B1 (en) A durable porous article of manufacture and a process to produce same
RU2263644C2 (en) Gypsum compositions and methods for their preparing
RU2215708C2 (en) Gypsiferous product having elevated resistance to residual deformation, method and composition for production thereof
US20040209074A1 (en) Mat faced gypsum board
US5148645A (en) Use of fibrous mat-faced gypsum board in shaft wall assemblies and improved fire resistant board
AU2003256293B2 (en) Gypsum board having polyvinyl alcohol binder in interface layer and method for making the same
AU763453B2 (en) Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it
JP4413784B2 (en) Cementitious veneer and laminate
JP2875202B2 (en) External finishing system of the building
CN101535579B (en) Acoustical gypsum board for ceiling panel
US20190017268A1 (en) Shear panel building material
US20040209060A1 (en) Wallboard containing scrim and matt
US8440296B2 (en) Shear panel building material
JP5505756B2 (en) Hydraulic composition, a method for manufacturing a flexible article, and flexible article
RU2348532C2 (en) Gypsum board coated with mat of nonwoven fiber glass material and method of its production
CA2578161C (en) New gypsum board and systems comprising it
JP4562988B2 (en) Structural cover panel
CN1468341A (en) Composite building material

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070705

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090427

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090512

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090710

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20091104