JPS63235600A - Production of mineral fiberboard - Google Patents
Production of mineral fiberboardInfo
- Publication number
- JPS63235600A JPS63235600A JP6595487A JP6595487A JPS63235600A JP S63235600 A JPS63235600 A JP S63235600A JP 6595487 A JP6595487 A JP 6595487A JP 6595487 A JP6595487 A JP 6595487A JP S63235600 A JPS63235600 A JP S63235600A
- Authority
- JP
- Japan
- Prior art keywords
- mineral
- weight
- parts
- sepiolite
- aqueous slurry
- 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
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims description 45
- 239000011707 mineral Substances 0.000 title claims description 45
- 239000011094 fiberboard Substances 0.000 title claims description 43
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000002002 slurry Substances 0.000 claims description 38
- 239000004113 Sepiolite Substances 0.000 claims description 27
- 229910052624 sepiolite Inorganic materials 0.000 claims description 27
- 235000019355 sepiolite Nutrition 0.000 claims description 27
- 229960000892 attapulgite Drugs 0.000 claims description 26
- 229910052625 palygorskite Inorganic materials 0.000 claims description 26
- 239000000835 fiber Substances 0.000 claims description 21
- 239000002557 mineral fiber Substances 0.000 claims description 18
- 239000011230 binding agent Substances 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 10
- 239000011490 mineral wool Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 4
- 239000011491 glass wool Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 239000000123 paper Substances 0.000 description 11
- 230000014759 maintenance of location Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 6
- 229920002678 cellulose Polymers 0.000 description 6
- 239000001913 cellulose Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000010425 asbestos Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Paper (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、岩綿、鉱滓綿、あるいはガラスウールからな
る鉱物質繊維を繊維成分とする鉱物質繊維板の製造方法
に関するものであり、不燃性、耐火断熱性、吸音特性９
機械的強度等の諸性能に優れた性質を奏する鉱物質繊維
板を経済的に得る方法を提供するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for producing mineral fiberboard whose fiber component is mineral fiber made of rock wool, mineral wool, or glass wool, and which is non-flammable. properties, fire resistance, insulation properties, sound absorption properties9
The object of the present invention is to provide a method for economically obtaining mineral fiberboard that exhibits excellent properties such as mechanical strength.
〔従来の技術］
鉱物質繊維板の製造方法には、鉱物質繊維を適正量の結
合剤や添加剤と共に、１０〜１００倍に相当する多量の
水中に均一に分散させて水性スラリーとし、これを抄造
、成形した後、乾燥。[Prior Art] A method for manufacturing mineral fiberboard involves uniformly dispersing mineral fibers in a large amount of water equivalent to 10 to 100 times the amount of water together with appropriate amounts of binders and additives to form an aqueous slurry. After papermaking and shaping, it is dried.
硬化させる湿式抄造法、および鉱物質繊維に適正量の結
合剤や添加剤を添加した混合物に、該混合物の２〜３倍
の水を加え、これをペースト状に練り、押出、または圧
延して板状に成形し、更に乾燥、固化させるペースト法
がある。A wet papermaking method is used to cure the paper, and 2 to 3 times as much water as the mixture is added to a mixture of mineral fibers and appropriate amounts of binders and additives, and this is kneaded into a paste, extruded, or rolled. There is a paste method in which the material is formed into a plate shape and then dried and solidified.
［発明が解決しようとする問題点］
前記従来の鉱物質繊維板の製造方法のうちの前者の湿式
抄造法は、量産での生産性に優れているのが特徴である
が、該方法においては、機械的強度や硬度等の物理的強
度を有する鉱物質繊維板を得るために、成形用組成物中
には一定量の有機質結合剤が含有されている水性スラリ
ーを使用しなければならず、得られる鉱物質繊維板にお
ける不燃性、耐火・断熱性等の防火性能に一定の限界が
存するのが欠点とされている。[Problems to be Solved by the Invention] Among the conventional methods for manufacturing mineral fiberboard, the former wet papermaking method is characterized by excellent productivity in mass production. In order to obtain a mineral fiberboard with physical strength such as mechanical strength and hardness, it is necessary to use an aqueous slurry containing a certain amount of an organic binder in the molding composition. A drawback is that there are certain limits to the fireproof performance of the resulting mineral fiberboard, such as nonflammability, fire resistance, and heat insulation.
また、前記湿式抄造法による鉱物質繊維板の製造方法に
おいては、使用される水性スラリー中の有機質および無
機質結合剤のリテンション・固着剤として、良く叩解さ
れているゲル状セルロース、高分子凝集剤、アスベスト
等が使用されているが、前記ゲル状セルロースを含有す
る水性スラリーによって得られる鉱物質繊維板は、リテ
ンション・固着剤たるゲル状セルロースに起因する不燃
性や耐火・断熱性等の防火性能の低下が生ずるし、また
、高分子凝集剤はリテンション・固着剤としての作用が
十分ではなく、更には、アスベストはアスベスト粉塵が
肺がんの原因となるため、その使用が制限されているの
が実情である。In addition, in the method for manufacturing mineral fiberboard by the wet papermaking method, well-beaten gel cellulose, polymer flocculant, Although asbestos, etc. are used, the mineral fiberboard obtained from the aqueous slurry containing the gelled cellulose does not have fireproof properties such as nonflammability, fire resistance, and heat insulation properties due to the gelled cellulose, which is a retention and adhesion agent. In addition, the use of polymer flocculants is not sufficient as a retention/fixing agent, and the use of asbestos is restricted because asbestos dust causes lung cancer. be.
これに対して本発明の鉱物質繊維板の製造方法は、不燃
性、耐火断熱性、吸音性９機械的強度等の諸種の性能を
バランス良く具備する鉱物質繊維板を、量産での生産性
に優れる湿式抄造法で得る方法を提供するものである。On the other hand, the method for manufacturing mineral fiberboard of the present invention provides a mineral fiberboard that has a good balance of various performances such as non-combustibility, fireproof insulation properties, sound absorption properties, and mechanical strength. The present invention provides a method for obtaining paper using a wet papermaking method with excellent properties.
［問題点を解決するための手段］ 本発明の鉱物質繊維板の製造方法は、岩綿。[Means for solving problems] The method for producing a mineral fiberboard of the present invention uses rock wool.
鉱滓綿、あるいはガラスウールからなる鉱物質繊維１０
０重量部と、アタパルジャイト３〜２５重量部と、繊維
長２０μ〜２ｍｍのセピオライト０．１〜６重量部とを
必須の固形成分として含有し、かつ前記アタパルジャイ
トと繊維長２０μ〜２ｍｍのセピオライトとの重量比が
３〜３ｏ：１にあり、しかも有機質結合剤が５重量部以
下で有機質成分の合計量が７重量部以下に抑えられてい
る鉱物質繊維組成物の水性スラリー、すなわち、前記鉱
物質繊維組成物を該鉱物質繊維組成物の１０〜１００倍
に相当する分量の水中に前記組成物が略均−に分散され
ている固形成分１〜８重量重量度の分散液からなる水性
スラリーを得る工程と、得られた水性スラリーを、フォ
ードリニヤ−１丸網型等の抄造機を利用して抄造、成形
する工程と、得られた成形シートを乾燥、硬化させる工
程とからなるものである。Mineral fiber made of slag cotton or glass wool 10
0 parts by weight of attapulgite, 3 to 25 parts by weight of attapulgite, and 0.1 to 6 parts by weight of sepiolite with a fiber length of 20 μ to 2 mm as essential solid components, and a combination of the attapulgite and sepiolite with a fiber length of 20 μ to 2 mm. An aqueous slurry of a mineral fiber composition in which the weight ratio is 3 to 3o:1, the organic binder is 5 parts by weight or less, and the total amount of organic components is 7 parts by weight or less, that is, the mineral material An aqueous slurry consisting of a dispersion of the fiber composition in an amount of water corresponding to 10 to 100 times the amount of the mineral fiber composition and a solid content of 1 to 8 weight percent, in which the fiber composition is approximately evenly dispersed. The process consists of a step of obtaining a sheet, a step of forming and forming the obtained aqueous slurry using a paper making machine such as a Fordrinier-1 circular mesh type, and a step of drying and curing the obtained formed sheet. .
前記構成からなる本発明の鉱物質繊維板の製造方法にお
いて使用される水性スラリー中で主たる固形成分をなす
鉱物質繊維は、岩綿、鉱滓綿、およびガラスウールの中
から選択されるものである。The mineral fibers forming the main solid component in the aqueous slurry used in the method for producing mineral fiberboard of the present invention having the above structure are selected from rock wool, mineral wool, and glass wool. .
また、前記水性スラリーに使用されるアタパルジャイト
は、得られる鉱物質繊維板における無機質結合剤として
作用するものであり、同時に、場合によって（鉱物質繊
維１００重量部に対して５重量部以下の少量の範囲で）
添加されることのある有機質結合剤に対するリテンショ
ン・固着剤としての作用をも果すものである。前記鉱物
質繊維に対する無機質結合剤の作用を果すアタパルジャ
イトは、 ＊Ｍ４構造型粘度で、直径１００Ａ 、長さ
１〜数μ程度の針状結晶物で、水中でコロイド状に分散
する性質を有しており、該分散状態での表面積が２１０
ｍ２７ｇと極めて大きくなるもので、高度の吸着性能を
具備するものである。In addition, the attapulgite used in the aqueous slurry acts as an inorganic binder in the mineral fiberboard obtained, and at the same time, in some cases, a small amount (up to 5 parts by weight per 100 parts by weight of mineral fibers) is added. In a range)
It also acts as a retention/fixing agent for organic binders that may be added. Attapulgite, which acts as an inorganic binder for the mineral fibers, is a needle-like crystal with an M4 structural viscosity, a diameter of 100A, and a length of about 1 to several micrometers, and has the property of colloidally dispersing in water. The surface area in the dispersed state is 210
It is extremely large at m27g and has high adsorption performance.
主たる固形成分が鉱物′Ｉｔ繊維からなる前記水性スラ
リー中に、前記アタパルジャイトと共に含有される繊維
長２０μ〜２ｍｍのセピオライトは、従来の湿式抄造法
による鉱物質繊維板の製造方法で使用されていた水性ス
ラリーにおける故紙パルプ等の有機繊維が果していたリ
テンション、固着作用を果すものであり、前述のアタパ
ルジャイトに対する優れたリテンション、固若作用を奏
するものである。尚、本発明で使用される繊維長２０μ
〜２ｍｍのセピオライトは、繊維長の長い形状を有する
セピオライトを予め選択し、これをパルパーおよびリフ
ァイナーにより、繊維を短く切断し過ぎないようにして
解繊することにより、所定の範囲内の繊維長を有するセ
ピオライトがゲル状で存在しているところの水分散性ス
ラリーのかたちで容易に得られるものである。また、前
記鉱物質繊維の水性スラリーに使用されるセピオライト
は繊維長が２０μ未満の短かいものになると、アタパル
ジャイトに対するリテンション、固着作用が弱くなるし
、また、繊維長が２ｍｍを超える長いものになると、水
性スラリーの抄造性が悪くなるばかりでなく、得られる
鉱物質繊維板の表面状態が悪くなるので、前記使用され
るセとオライドはその繊維長が２０μ〜２１！ＩＯＩの
範囲内のものとされるものである。Sepiolite with a fiber length of 20μ to 2mm, which is contained together with attapulgite in the aqueous slurry whose main solid component is mineral fiberboard, is a water-based slurry that is It performs the retention and fixation effects that organic fibers such as waste paper pulp have in the slurry, and it also provides excellent retention and fixation effects for the above-mentioned attapulgite. Furthermore, the fiber length used in the present invention is 20μ.
Sepiolite with a diameter of ~2 mm is obtained by preselecting sepiolite with a long fiber length and defibrating it using a pulper and refiner without cutting the fibers too short. It can be easily obtained in the form of a water-dispersible slurry in which sepiolite is present in the form of a gel. Furthermore, if the sepiolite used in the mineral fiber aqueous slurry has a short fiber length of less than 20 μm, the retention and fixing effect on attapulgite will be weak, and if the sepiolite has a long fiber length of more than 2 mm, However, the paper-forming properties of the aqueous slurry are not only deteriorated, but also the surface condition of the obtained mineral fiberboard is deteriorated. This is considered to be within the range of IOI.
前記主たる固形成分が鉱物質繊維からなる水性スラリー
中の一方の必須の固形成分たるアタパルジャイトは、鉱
物質繊維１００重量部に対して３〜２５重量部の割合で
存在するものであるが、これは、アタパルジャイトが３
重量部未満の少量になると、アタパルジャイトによる結
合剤の作用が得られなく、機械的強度に優れた特性を有
する鉱物質繊維板が得られなくなるためであり、また、
アタパルジャイトが２５重量部を超える通量になると、
水性スラリーの濾水性が悪く、抄造性が悪くなるばかり
でなく、得られる鉱物質繊維板の撥水性が低下するため
でもある。また、前記水性スラリー中の他方の必須の固
形成分たる繊維長２０μ〜２ｍｍのセピオライトは、鉱
物質繊維１００重量部に対して０．１〜６重量部の割合
で存在するものであるが、これは、前記セピオライトが
０．１重量部未満の少量になると、前述のアタパルジャ
イトに対するリテンション、固着作用が十分ではなく、
優れた機械的強度を有する鉱物質繊維板が得られなくな
り、また、前記セピオライトが６重量部を超える大量に
なると、水性スラリーの濾水性が悪化して効率の良い抄
造を行なうことができなくなるためである。Attapulgite, which is one essential solid component in the aqueous slurry in which the main solid component is mineral fiber, is present in a proportion of 3 to 25 parts by weight per 100 parts by weight of mineral fiber. , attapulgite is 3
This is because if the amount is less than parts by weight, the action of the binder by attapulgite cannot be obtained, and a mineral fiberboard with excellent mechanical strength cannot be obtained.
When the amount of attapulgite exceeds 25 parts by weight,
This is because not only the water-based slurry has poor drainage properties and paper forming properties but also the water repellency of the obtained mineral fiberboard is reduced. Sepiolite, which is the other essential solid component in the aqueous slurry and has a fiber length of 20 μ to 2 mm, is present in a proportion of 0.1 to 6 parts by weight per 100 parts by weight of mineral fibers. When the amount of sepiolite is less than 0.1 part by weight, the retention and fixing effect on attapulgite is insufficient,
A mineral fiberboard with excellent mechanical strength cannot be obtained, and if the amount of sepiolite exceeds 6 parts by weight, the freeness of the aqueous slurry deteriorates and efficient papermaking becomes impossible. It is.
更に、前記鉱物質繊維を主固形成分とする水性スラリー
中における必須の固形成分たる前記アタパルジャイトと
繊維長２０μ〜２ｍｍのセピオライトとは、その重量比
が３〜３０：１の範囲内にあるもので、アタパルジャイ
ト３に対してセピオライトが１を超えるような場合はセ
ピオライトの通量に対する不経済が生ずるだけであり、
またアタパルジャイト３０に対してセピオライトが１未
溝の場合には、セピオライトによって果されるアタパル
ジャイトのリテンション作用が十分ではなく、得られる
鉱物質繊維板の曲げ強度が低下する等の弊害が生ずる。Furthermore, the weight ratio of attapulgite and sepiolite having a fiber length of 20 μm to 2 mm, which are essential solid components in the aqueous slurry containing mineral fibers as the main solid component, is within the range of 3 to 30:1. If the ratio of sepiolite exceeds 1 to 3 attapulgite, there will only be a diseconomie for the amount of sepiolite.
In addition, if the sepiolite has one groove less than the attapulgite 30, the retention effect of the attapulgite performed by the sepiolite will not be sufficient, causing problems such as a decrease in the bending strength of the obtained mineral fiberboard.
前記鉱物質繊維を主たる固形成分とする水性スラリー中
には、必要に応じてζ有機質結合剤、結合助剤、撥水剤
等が含有されるが、有機質結合剤、例えば、バルブ、生
澱粉、煮沸澱粉、ポリビニルアルコール、ガーガム、酢
酸ビニルエマルジョン、アクリルエマルジョン、フェノ
ール樹脂等の有機質結合剤が、鉱物質繊維１００重量部
に対して５重量部を超えるような場合や、水性スラリー
中の有機質成分の合計量が７重量部を超えるような場合
には、得られる鉱物質繊維板の不燃性が低下し、英国規
格による不燃性試験でのｒ ｎｏｎ−ｃｏｍｂｕｓｔｉ
ｂｌｅ Ｊをクリヤーする鉱物質繊維板が得られ難くな
るので、有機質結合剤は５重量部以下に、また、有機質
成分の合計量は７重量部以下にそれぞれ抑えられている
ことが必要である。なお、ポリアクリルアミド。The aqueous slurry containing mineral fibers as the main solid component contains a ζ organic binder, a binding aid, a water repellent, etc. as necessary. When the amount of organic binders such as boiled starch, polyvinyl alcohol, gar gum, vinyl acetate emulsion, acrylic emulsion, and phenolic resin exceeds 5 parts by weight per 100 parts by weight of mineral fibers, or when the amount of organic binders in the aqueous slurry exceeds 5 parts by weight, If the total amount exceeds 7 parts by weight, the non-combustibility of the mineral fiberboard obtained decreases, and the non-combustibility in the non-combustibility test according to the British Standards decreases.
Since it becomes difficult to obtain a mineral fiberboard that clears BLE J, it is necessary to suppress the organic binder to 5 parts by weight or less and the total amount of organic components to 7 parts by weight or less. In addition, polyacrylamide.
ポリアクリルアミド変性物、硫酸アルミニウム等の結合
助剤と、撥水剤とは、これらの合計量が２重量部以下で
その作用が十分に奏されるものである。The binding aid such as a polyacrylamide modified product or aluminum sulfate, and the water repellent can sufficiently exhibit their effects when the total amount thereof is 2 parts by weight or less.
［実施例］
以下、本発明の鉱物質繊維板の製造方法の具体的な構成
を実施例を以って説明し、併せ、得られた鉱物質繊維板
の性質を比較のために得られた鉱物質繊維板と比較して
説明する。[Example] Hereinafter, the specific structure of the method for producing mineral fiberboard of the present invention will be explained with reference to Examples, and the properties of the obtained mineral fiberboard will be explained for comparison. This will be explained in comparison with mineral fiberboard.
［実施例１〜６］、［比較例１〜７］
後記第１表の実施例１〜６．比較例１〜７欄に記載した
各組成成分からなる固形成分（ＩＱＯＯｇ）の４重量％
水分散液による水性スラリーを２５℃作成し、得られた
水性スラリーを実験室のテスト抄造機で抄造、減圧脱水
し、次いでプレス機でプレス成形した後、乾燥炉で、１
７０〜２５０℃、４時間の乾燥、硬化を行なうことによ
って鉱物質繊維板を得た。[Examples 1 to 6], [Comparative Examples 1 to 7] Examples 1 to 6 in Table 1 below. 4% by weight of the solid component (IQOOg) consisting of each composition component listed in Comparative Examples 1 to 7 columns
An aqueous slurry made of an aqueous dispersion was prepared at 25°C, and the resulting aqueous slurry was made into paper using a test paper making machine in the laboratory, dehydrated under reduced pressure, and then press-formed using a press machine.
A mineral fiberboard was obtained by drying and curing at 70 to 250°C for 4 hours.
各水性スラリーの成形減水時間、および得られた鉱物質
繊維板の密度２曲げ強さ、圧縮強さ。Molding water reduction time of each aqueous slurry, and density 2 bending strength and compressive strength of the obtained mineral fiberboard.
不燃性を併せて第１表に示す。The nonflammability is also shown in Table 1.
なお、第１表中における水性スラリーの成形減水時間、
抄造工程中におけるリティン重陽）、および得られた鉱
物質繊維板の各種物性値の測定方法は以下の通りである
。In addition, the molding water reduction time of the aqueous slurry in Table 1,
The method for measuring various physical property values of the mineral fiberboard obtained during the papermaking process is as follows.
ｔ”ｆＩＩＥＩｆＪ：各水性スラリーを金網の目の粗さ
５０メツシユ、金網部の大きさ ４００×４００、脱
水部の真空度１５００ｍｍ水柱のテスト抄造機で抄造す
る際の濾水時間。t"fIIEIfJ: Drainage time when each aqueous slurry is made into a paper using a test paper making machine with a wire mesh coarseness of 50 mesh, a wire mesh section size of 400 x 400, a vacuum level of 1500 mm in the dewatering section, and a water column.
９９呈上１：乾燥、硬化後の鉱物質繊維板の重量を水性
スラリー２５ＩＬ中に含まれる固形成分重量で除した値
。99 Presentation 1: Value obtained by dividing the weight of the mineral fiberboard after drying and curing by the weight of solid components contained in the aqueous slurry 25IL.
１工ｌ盗： ＪＩＳ Ａ ５９０７に従って測定した値
。1 liter theft: Value measured according to JIS A 5907.
旦旦１１：鉱物質繊維板をその厚さ方向に０．５ｍｍ
７分の速度で圧縮し、厚さが８５％となったときの応力
を面積で除した値。Dandan 11: Mineral fiberboard 0.5mm in thickness direction
The value obtained by compressing at a speed of 7 minutes and dividing the stress when the thickness becomes 85% by the area.
五工韮：英国規格（ＢＳ） ４７６第４部「材料の不燃
性試験」に準じて行なった値。Five-year-old iron: Values conducted in accordance with British Standard (BS) 476 Part 4 "Non-flammability testing of materials".
なお、第１表中におけるセピオライトは繊維長２０μ〜
２ｍｍの範囲内のものであり、アタパルジャイトもセピ
オライトも共に、予めパルパーでやわらかくほぐした後
にリファイナーにより繊維長が短くなることのないよう
にフィブリル化したコロイド状分散水液のかたちで使用
した。In addition, sepiolite in Table 1 has a fiber length of 20μ~
Both attapulgite and sepiolite were used in the form of aqueous colloidal dispersions, which were softened with a pulper and then fibrillated with a refiner to prevent shortening of the fiber length.
また、バルブセルロースは、新聞故紙を叩解し、ＴＡＰ
ＰＩ ５ｔａｎｄａｒｄ ５ｈｅｅｔ Ｍａｃｈｉｎｅ
による濾水時間が約４００秒のゲル状セルロースとして
使用した。Valve cellulose is also produced by beating waste newspaper and using TAP.
PI 5standard 5heet Machine
It was used as a gel-like cellulose with a filtration time of about 400 seconds.
更に、ポリアクリルアミドは分子量５０５程度のポリマ
ーを使用した。Further, the polyacrylamide used was a polymer having a molecular weight of about 505.
前記第１表に表示される結果から、実施例における水性
スラリーの減水性やリティン率はいずれも良好であり、
しかも、前記水性スラリーによる抄造成形体たる鉱物質
繊維板は、曲げ強度、不燃性等においてバランスのとれ
た良好な物性を有していることが明らかである。From the results shown in Table 1 above, the water-reducing properties and retin ratios of the aqueous slurries in Examples are both good;
Moreover, it is clear that the mineral fiberboard, which is a paper-formed product made from the aqueous slurry, has well-balanced physical properties such as bending strength and nonflammability.
しかしながら、セピオライトを含有しない水性スラリー
を使用する比較例１の場合には、前記セピオライトの作
用が得られないために抄造成形工程でのリティン率が低
く、曲げ強度において満足される鉱物質繊維板を得るこ
とができない。However, in the case of Comparative Example 1 in which an aqueous slurry that does not contain sepiolite is used, the effect of sepiolite cannot be obtained, so the retin ratio in the paper forming process is low, and a mineral fiberboard with satisfactory bending strength cannot be obtained. can't get it.
過剰のセとオライドを含有する水性スラリーを使用する
比較例２の場合には、得られる鉱物質繊維板の物性は良
好であるが、水性スラリーの減水性が悪く、鉱物質繊維
板を工業的規模で製造するには不適当である。In the case of Comparative Example 2, in which an aqueous slurry containing an excess of cere and olide is used, the physical properties of the obtained mineral fiberboard are good, but the water-reducing properties of the aqueous slurry are poor, making it difficult to use the mineral fiberboard industrially. It is unsuitable for large-scale production.
有機質結合剤たるバルブセルロースを過剰に含有する水
性スラリーを使用する比較例５においては、抄造成形工
程でのリティン率が良く、また得られた鉱物質繊維板は
曲げ強度に優れたものとなるが、不燃性という面での条
件を満足するものは得られない。In Comparative Example 5, in which an aqueous slurry containing an excessive amount of bulb cellulose, which is an organic binder, was used, the retin ratio in the paper forming process was good, and the obtained mineral fiberboard had excellent bending strength. However, it is not possible to obtain a material that satisfies the requirements in terms of nonflammability.
過剰のセピオライトを含有し、しかもアタパルジャイト
を含有しない水性スラリーを使用する比較例６の場合に
は、前記比較例２の場合と同様に得られる鉱物質繊維板
の物性は良好であるが、水性スラリーの減水性が極端に
悪くなる。In the case of Comparative Example 6 in which an aqueous slurry containing an excess of sepiolite and no attapulgite was used, the physical properties of the mineral fiberboard obtained in the same manner as in Comparative Example 2 were good, but the aqueous slurry water reduction properties become extremely poor.
更に、適量のセピオライトは含有するがアタパルジャイ
トを含有しない水性スラリーを使用する比較例７の場合
には、アタパルジャイトの奏する結合剤としての作用が
得られないため、曲げ強度や圧縮強度において満足され
る鉱物質繊維板は得られない。Furthermore, in the case of Comparative Example 7, which uses an aqueous slurry that contains an appropriate amount of sepiolite but does not contain attapulgite, attapulgite does not function as a binder, so it cannot be used as a mineral that satisfies the bending strength and compressive strength. quality fiberboard cannot be obtained.
［発明の作用および効果］
本発明の鉱物質繊維板の製造方法は、鉱物質繊維１００
重量部と、アタパルジャイト３〜２５重量部と、繊維長
２０μ〜２ｍｍのセピオライト０．１〜６重量部とを必
須の固形成分として含有し、かつ前記アタパルジャイト
と繊維長２０μ〜２ｍｍのセピオライトとの重量比が３
〜３０：°１にあり、しかも有機質結合剤が５重量部以
下で有機質成分の合計量が７重量部以下に抑えられてい
る鉱物質ｌＩＭ組成物の水性スラリーを、抄造、成形後
、乾燥、硬化させることによって鉱物質繊維板を得るも
ので、アタパルジャイトの有する無機室結合剤としての
作用と、繊維長２０μ〜２ｍｍのセピオライトの有する
抄造成形性に対しての弊害をもたらすことなく奏される
好適なるリテンション作用とを十分に利用して鉱物質繊
維板を得るものである。[Operations and effects of the invention] The method for producing mineral fiberboard of the present invention comprises
parts by weight, 3 to 25 parts by weight of attapulgite, and 0.1 to 6 parts by weight of sepiolite with a fiber length of 20 μ to 2 mm as essential solid components, and the weight of the attapulgite and sepiolite with a fiber length of 20 μ to 2 mm. The ratio is 3
~30:°1, an aqueous slurry of a mineral lIM composition in which the organic binder is 5 parts by weight or less and the total amount of organic components is 7 parts by weight or less is paper-formed, shaped, dried, A mineral fiberboard is obtained by curing, and it is suitable for achieving the action of attapulgite as an inorganic binder and of sepiolite with a fiber length of 20μ to 2mm without causing any adverse effects on paper formability. A mineral fiberboard is obtained by fully utilizing the retention effect.
従って、本発明の鉱物質繊維板の製造方法においては、
不燃性、耐火断熱性、吸音性１機械的強度等の諸性能を
バランス良く具備する鉱物質繊維板を、効率良く、しか
も安価、確実に得られるという作用、効果が奏されるも
のである。Therefore, in the method for manufacturing mineral fiberboard of the present invention,
The effect is that a mineral fiberboard having a well-balanced performance of non-combustibility, fireproof heat insulation, sound absorption, mechanical strength, etc. can be obtained efficiently, inexpensively, and reliably.
Claims (1)
維１００重量部と、アタパルジャイト３〜２５重量部と
、繊維長２０μ〜２ｍｍのセピオライト０．１〜６重量
部とを必須の固形成分として含有し、かつ前記アタパル
ジャイトと繊維長２０μ〜２ｍｍのセピオライトとの重
量比が３〜３０：１にあり、しかも有機質結合剤が５重
量部以下で有機質成分の合計量が７重量部以下に抑えら
れている鉱物質繊維組成物の水性スラリーを、抄造、成
形後、乾燥、硬化させることを特徴とする鉱物質繊維板
の製造方法。Contains 100 parts by weight of mineral fibers made of rock wool, slag wool, or glass wool, 3 to 25 parts by weight of attapulgite, and 0.1 to 6 parts by weight of sepiolite with a fiber length of 20 μ to 2 mm as essential solid components. , and the weight ratio of attapulgite to sepiolite with a fiber length of 20 μ to 2 mm is 3 to 30:1, and the organic binder is 5 parts by weight or less and the total amount of organic components is suppressed to 7 parts by weight or less. A method for producing a mineral fiberboard, which comprises paper-forming, forming, drying, and curing an aqueous slurry of a mineral fiber composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6595487A JPS63235600A (en) | 1987-03-20 | 1987-03-20 | Production of mineral fiberboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6595487A JPS63235600A (en) | 1987-03-20 | 1987-03-20 | Production of mineral fiberboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63235600A true JPS63235600A (en) | 1988-09-30 |
| JPH0238720B2 JPH0238720B2 (en) | 1990-08-31 |
Family
ID=13301885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6595487A Granted JPS63235600A (en) | 1987-03-20 | 1987-03-20 | Production of mineral fiberboard |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63235600A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6461599A (en) * | 1987-08-26 | 1989-03-08 | Nitto Boseki Co Ltd | Mineral fiberboard |
| US5679433A (en) * | 1991-10-31 | 1997-10-21 | Kabushiki Kaish Tokiwa Denki | Noncombustible sheet, noncombustible laminated sheet, noncombustible honey comb structural material, noncombustible board, noncombustible molded product, and manufacturing method thereof |
| JP5731408B2 (en) * | 2010-01-07 | 2015-06-10 | ニチアス株式会社 | Inorganic fiber refractory molded body, method for producing inorganic fiber refractory molded body, and inorganic fiber amorphous refractory composition |
| JP2023038335A (en) * | 2020-07-10 | 2023-03-16 | 株式会社巴川製紙所 | Flame-retardant sheet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5143485A (en) * | 1974-10-07 | 1976-04-14 | Santo Tekkosho Kk | Koatsu suchiimaano shiiruhohono kairyo |
| JPS5747751A (en) * | 1980-09-08 | 1982-03-18 | Nitto Boseki Co Ltd | Manufacture of mineral fiber board |
| JPS6021836A (en) * | 1983-07-18 | 1985-02-04 | 株式会社クラレ | Hydraulic inorganic board and manufacture |
-
1987
- 1987-03-20 JP JP6595487A patent/JPS63235600A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5143485A (en) * | 1974-10-07 | 1976-04-14 | Santo Tekkosho Kk | Koatsu suchiimaano shiiruhohono kairyo |
| JPS5747751A (en) * | 1980-09-08 | 1982-03-18 | Nitto Boseki Co Ltd | Manufacture of mineral fiber board |
| JPS6021836A (en) * | 1983-07-18 | 1985-02-04 | 株式会社クラレ | Hydraulic inorganic board and manufacture |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6461599A (en) * | 1987-08-26 | 1989-03-08 | Nitto Boseki Co Ltd | Mineral fiberboard |
| JPH0450433B2 (en) * | 1987-08-26 | 1992-08-14 | Nitto Boseki Co Ltd | |
| US5679433A (en) * | 1991-10-31 | 1997-10-21 | Kabushiki Kaish Tokiwa Denki | Noncombustible sheet, noncombustible laminated sheet, noncombustible honey comb structural material, noncombustible board, noncombustible molded product, and manufacturing method thereof |
| JP5731408B2 (en) * | 2010-01-07 | 2015-06-10 | ニチアス株式会社 | Inorganic fiber refractory molded body, method for producing inorganic fiber refractory molded body, and inorganic fiber amorphous refractory composition |
| US9174875B2 (en) | 2010-01-07 | 2015-11-03 | Nichias Corporation | Inorganic fibrous molded refractory article, method for producing inorganic fibrous molded refractory article, and inorganic fibrous unshaped refractory composition |
| JP2023038335A (en) * | 2020-07-10 | 2023-03-16 | 株式会社巴川製紙所 | Flame-retardant sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0238720B2 (en) | 1990-08-31 |
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