JP2543390B2 - Inorganic sheet for resin foam insulation - Google Patents
Inorganic sheet for resin foam insulationInfo
- Publication number
- JP2543390B2 JP2543390B2 JP63021907A JP2190788A JP2543390B2 JP 2543390 B2 JP2543390 B2 JP 2543390B2 JP 63021907 A JP63021907 A JP 63021907A JP 2190788 A JP2190788 A JP 2190788A JP 2543390 B2 JP2543390 B2 JP 2543390B2
- Authority
- JP
- Japan
- Prior art keywords
- inorganic
- weight
- resin
- heat insulating
- sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Laminated Bodies (AREA)
- Nonwoven Fabrics (AREA)
- Paper (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は各種建築材料、各産業分野に用いられる樹脂
発泡断熱材の表面に用いる無機質シートに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to various building materials and an inorganic sheet used for the surface of a resin foam heat insulating material used in each industrial field.
［従来の技術］ 従来、各種建築材料、各産業分野にフェノール樹脂
系、ウレタン樹脂系発泡体の軽量断熱材が使用されてい
るが、その片面又は両面に発泡時の樹脂の保持及び断熱
材としての機械的強度付与或いは寸法安定性付与材とし
て、木材パルプと水酸化アルミニウム或いは炭酸カルシ
ウムとの混抄紙、更にアスベスト紙又はアスベスト紙と
ガラス繊維の混抄紙などの無機質シートが使用されてい
る。[Prior Art] Conventionally, a lightweight heat insulating material of a phenol resin type or urethane resin type foam has been used in various building materials and industrial fields. As a heat insulating material and a resin holding material for foaming on one side or both sides thereof. As a material for imparting mechanical strength or dimensional stability, an inorganic sheet such as a mixed paper of wood pulp and aluminum hydroxide or calcium carbonate, asbestos paper or a mixed paper of asbestos paper and glass fiber is used.
［発明が解決しようとする課題］ しかしながら、木材パルプと水酸化アルミニウム或い
は炭酸カルシウムなどの無機質充填材との混抄紙では充
分な寸法安定性が得られず、断熱材のソリ、ネジレの原
因となる。更にアスベスト繊維は、発泡断熱材製造時及
び発泡断熱材施工時と施工後に発生するアスベスト粉塵
が健康上有害であるという問題点がある。[Problems to be Solved by the Invention] However, sufficient dimensional stability cannot be obtained with a mixed paper of wood pulp and an inorganic filler such as aluminum hydroxide or calcium carbonate, which causes warpage and twist of the heat insulating material. . Further, the asbestos fiber has a problem that asbestos dust generated during the production of the foamed heat insulating material, the application of the foamed heat insulating material and after the construction is harmful to health.
その上、樹脂発泡前の目止め性が不充分であるため、
事前にアスファルトを含浸塗工し、充分目止めを行う必
要があった。Moreover, since the sealing property before resin foaming is insufficient,
It was necessary to apply asphalt in advance and apply sufficient filling.
本発明は、上述の問題点、欠点を解消し、充分な目止
め性と寸法安定性に優れた樹脂発泡断熱材用無機質シー
トを提供することを目的とする。An object of the present invention is to solve the above problems and drawbacks, and to provide an inorganic sheet for a resin foam heat insulating material, which is excellent in sufficient sealing properties and dimensional stability.
［課題を解決するための手段］ 本発明は、樹脂発泡断熱材の片面又は両面に用いる無
機質シートにおいて、無機繊維30〜90重量％、無機質充
填材０〜20重量％、有機繊維及び／又は有機結合剤10〜
70重量％からなる無機繊維不織布の片面又は両面に、無
機質充填材70〜95重量％、有機結合剤５〜30重量％から
なる層を有する樹脂発泡断熱材用無機質シートである。[Means for Solving the Problems] The present invention relates to an inorganic sheet used for one side or both sides of a resin foam heat insulating material, wherein 30 to 90% by weight of inorganic fibers, 0 to 20% by weight of inorganic fillers, organic fibers and / or organic Binder 10 ~
An inorganic sheet for a resin foamed heat insulating material, comprising a layer composed of 70 to 95% by weight of an inorganic filler and 5 to 30% by weight of an organic binder on one or both sides of an inorganic fiber nonwoven fabric composed of 70% by weight.
また、前記無機質シートの片面にポリエチレン樹脂層
を有する樹脂発泡断熱材用無機質シートである。Moreover, it is an inorganic sheet for resin foam heat insulating materials which has a polyethylene resin layer on one side of the said inorganic sheet.
本発明に用いられる無機繊維としては、アスベスト繊
維以外はすべて使用できるが、代表的なものとしてガラ
ス繊維、ロックウール繊維、鉱滓綿繊維、セラミック繊
維等があげられる。As the inorganic fibers used in the present invention, all but asbestos fibers can be used, but typical examples include glass fibers, rock wool fibers, mineral wool fibers, ceramic fibers and the like.
無機繊維の配合率は30〜90重量％が好ましく、30重量
％未満では無機質シートの充分な寸法安定性が得られな
い。一方、90重量％を越えると充分な機械的な強度が得
られなくなる。The inorganic fiber content is preferably 30 to 90% by weight, and if it is less than 30% by weight, sufficient dimensional stability of the inorganic sheet cannot be obtained. On the other hand, if it exceeds 90% by weight, sufficient mechanical strength cannot be obtained.
無機質充填材は、無機質シートに発泡樹脂の目止め性
を付与するために配合され、カオリン、クレー、マイ
カ、水酸化アルミニウム、水酸化マグネシウム、炭酸カ
ルシウム、タルク、シリカ等が用いられる。配合率は０
〜20重量％の範囲で用いられる。The inorganic filler is added to the inorganic sheet in order to impart the sealing property of the foamed resin, and kaolin, clay, mica, aluminum hydroxide, magnesium hydroxide, calcium carbonate, talc, silica or the like is used. Mixing rate is 0
Used in the range of up to 20% by weight.
有機繊維としては木材パルプ、ビニロン繊維、ポリエ
ステル繊維、アクリル繊維等が使用できる。As the organic fiber, wood pulp, vinylon fiber, polyester fiber, acrylic fiber or the like can be used.
また、有機結合剤としては、ポリビニルアルコール、
酢酸ビニル、スチレン−ブタジェン−ラバーラテックス
（SBR）、ニトリル−ブタジェン−ラバーラテックス（N
BR）、アクリル、エポキシ、ポリエステル、ウレタン等
の樹脂が粉末又はエマルジョンの形で使用される。Further, as the organic binder, polyvinyl alcohol,
Vinyl acetate, styrene-butadiene-rubber latex (SBR), nitrile-butadiene-rubber latex (N
Resins such as BR), acrylic, epoxy, polyester and urethane are used in the form of powder or emulsion.
有機質分の合計配合率としては10〜70重量％が好まし
い。10重量％未満では無機質シートに充分な機械的強度
と樹脂目止め性を付与することができず、70重量％を越
えると充分な寸法安定性を得ることができない。有機繊
維、有機結合剤それぞれの配合率としては、０〜17重量
％の範囲で組合せて用いられる。The total content of organic components is preferably 10 to 70% by weight. If it is less than 10% by weight, sufficient mechanical strength and resin sealing property cannot be imparted to the inorganic sheet, and if it exceeds 70% by weight, sufficient dimensional stability cannot be obtained. The organic fiber and the organic binder are used in combination in the range of 0 to 17% by weight.
以上の無機繊維、無機充填材、有機繊維及び／又は有
機接合剤を配合したスラリーを湿式抄紙機にて常法によ
り抄紙し、無機繊維不織布とする。The slurry containing the above-mentioned inorganic fibers, inorganic fillers, organic fibers and / or organic binder is paper-made by a conventional method with a wet paper machine to give an inorganic fiber nonwoven fabric.
無機繊維不織布の上に設けられる無機充填材層には、
無機質充填材としてカオリン、クレー、マイカ、水酸化
アルミニウム、水酸化マグネシウム、炭酸カルシウム、
タルク、シリカ、三酸化アンチモン等のうち１種又は２
種以上を70〜95重量％と、有機結合剤としてポリビニル
アルコール、酢酸ビニル、塩化ビニル、SBR、NBR、アク
リル、エポキシ、ポリエステル、ウレタン、メラミン、
尿素等の樹脂の水溶液又はエマルジョンのうち、１種又
は２種以上を５〜30重量％を配合した塗料が用いられ
る。The inorganic filler layer provided on the inorganic fiber nonwoven fabric,
Kaolin, clay, mica, aluminum hydroxide, magnesium hydroxide, calcium carbonate as an inorganic filler,
One or two of talc, silica, antimony trioxide, etc.
70 to 95% by weight of seeds or more and polyvinyl alcohol, vinyl acetate, vinyl chloride, SBR, NBR, acrylic, epoxy, polyester, urethane, melamine, as an organic binder.
A paint prepared by mixing 5 to 30% by weight of one or two or more of an aqueous solution or emulsion of a resin such as urea is used.
樹脂配合率が５重量％未満では無機質充填材の充分な
接着性が得られず、一方、30重量％を越えると、無機質
シートと発泡樹脂との充分な接着性が得られない。If the resin content is less than 5% by weight, sufficient adhesion of the inorganic filler cannot be obtained, while if it exceeds 30% by weight, sufficient adhesion between the inorganic sheet and the foamed resin cannot be obtained.
無機質充填材の層は、無機繊維不織布に前記配合の無
機充填材と有機結合材との混合物をオフマシンで塗工し
て形成する。良好な無機質充填材の塗工層を形成できる
コーターとしては、エアナイフコーター、ブレードコー
ター、ロッドコーター、スクイズコーター、リバースロ
ールコーター、グラビアコーター、キスロールコーター
等が使用できる。The layer of the inorganic filler is formed by off-machine coating a mixture of the inorganic filler and the organic binder having the above-mentioned composition on the inorganic fiber nonwoven fabric. An air knife coater, a blade coater, a rod coater, a squeeze coater, a reverse roll coater, a gravure coater, a kiss roll coater or the like can be used as a coater capable of forming a good coating layer of an inorganic filler.
本発明においては、無機充填材と有機結合剤との混合
物の層の形成は、基材である無機繊維不織布を抄紙、乾
燥後、オフマシンで行うことが肝要である。これをもし
抄紙機の湿部で行うと塗料の内部浸透が起り、無機充填
材と有機結合剤が不織布内部に入り込み、本発明の目的
とする表面の目止め性と平滑性を付与するためには、多
量の塗料を塗工しなければならなくなる。In the present invention, it is essential that the layer of the mixture of the inorganic filler and the organic binder is formed off-machine after the inorganic fiber nonwoven fabric as the base material is made into paper and dried. If this is done in the wet part of the paper machine, internal penetration of the paint occurs, the inorganic filler and the organic binder enter the inside of the nonwoven fabric, in order to impart the surface sealing property and smoothness which is the object of the present invention. Will have to apply a large amount of paint.
本発明のように一旦乾燥した後の無機繊維不織布に、
無機充填材と有機結合剤の混合物を塗工すると不織布の
表面に良好な無機充填材と有機結合剤の層を作ることが
でき、抄紙機の湿部塗工と比較し、表面の目止め性、平
滑性を付与するのに、少ない塗工量で可能となる。Inorganic fiber nonwoven fabric after once dried, as in the present invention,
By applying a mixture of inorganic filler and organic binder, a good inorganic filler and organic binder layer can be formed on the surface of the non-woven fabric. It is possible with a small coating amount to impart smoothness.
また、本発明は無機質シートの発泡樹脂に対する目止
め性を更に向上するために、無機質シートの片面にポリ
エチレン樹脂層を設ける。ポリエチレン樹脂層は、無機
質シートの無機質充填材層の上に通常のポリエチレン押
出ラミネーターにより貼合して得られるが、その他の方
法でポリエチレン樹脂フィルムを貼合してもよい。厚さ
は５〜30μｍが好ましい。Further, in the present invention, a polyethylene resin layer is provided on one surface of the inorganic sheet in order to further improve the sealing property of the inorganic sheet against the foamed resin. The polyethylene resin layer is obtained by laminating the inorganic filler layer of the inorganic sheet with a normal polyethylene extrusion laminator, but the polyethylene resin film may be laminated by other methods. The thickness is preferably 5 to 30 μm.
以上の各種構成材料により得られる本発明の樹脂発泡
断熱材用無機質シートの二、三の例を図面により示す。A few examples of the inorganic sheet for a resin foam heat insulating material of the present invention obtained by the above various constituent materials are shown in the drawings.
第１図は本発明の配合よりなる無機繊維不織布１の片
面に、無機質充填材と有機結合材の混合塗料を塗工する
ことにより、無機質充填材層２を設けたものである。第
２図は第１図と同様にして、本発明の無機繊維不織布１
の両面に無機質充填材層２、２を設けたものである。FIG. 1 shows that an inorganic filler layer 2 is provided by coating a mixed paint of an inorganic filler and an organic binder on one side of an inorganic fiber nonwoven fabric 1 made of the composition of the present invention. FIG. 2 is similar to FIG. 1, and is an inorganic fiber nonwoven fabric 1 of the present invention.
The inorganic filler layers 2 and 2 are provided on both surfaces of.
第３図は第２図の無機繊維不織布１の両面に無機質充
填材層２、２を設けた一方の無機質充填材層２の表面
に、ポリエチレン押出ラミネーターによりポリエチレン
樹脂層３を設けたものである。FIG. 3 shows that the inorganic filler layer 2 is provided on both sides of the inorganic fiber nonwoven fabric 1 of FIG. 2 and the polyethylene resin layer 3 is provided on the surface of one inorganic filler layer 2 by a polyethylene extrusion laminator. .
［実施例］ 以下に実施例を挙げて本発明を具体的に説明するが、
本発明はこれに限定されるものではない。[Examples] The present invention will be specifically described below with reference to Examples.
The present invention is not limited to this.
実施例１ ガラス繊維（９μｍφ×9mmL）48重量部、ロックウー
ル繊維18重量部の水性分散液に、マイカ粉末18重量部、
木材パルプ・NBKP7重量部、ポリビニルアルコール９重
量部をそれぞれ配合して湿式抄紙し、坪量60g/m2の無機
繊維不織布を得た。この無機繊維不織布にオフマシンの
ロッドコーターにより、クレー100重量部、アクリル繊
維10重量部、ポリビニルアルコール３重量部、メラミン
−ホルマリン樹脂１重量部、カーボンブラック５重量
部、その他必要に応じて小量の消泡剤、分散剤を配合し
た混合水分散無機質塗料を、塗布量両面で60g/m2（固形
分）になるよう塗工、乾燥し、無機質シートを得た。Example 1 48 parts by weight of glass fiber (9 μmφ × 9 mmL), 18 parts by weight of rockwool fiber, 18 parts by weight of mica powder,
7 parts by weight of wood pulp / NBKP and 9 parts by weight of polyvinyl alcohol were mixed and wet-processed to obtain an inorganic fiber nonwoven fabric having a basis weight of 60 g / m 2 . Using an off-machine rod coater, 100 parts by weight of clay, 10 parts by weight of acrylic fiber, 3 parts by weight of polyvinyl alcohol, 1 part by weight of melamine-formalin resin, 5 parts by weight of carbon black, and other small amounts as necessary are added to this inorganic fiber nonwoven fabric. The mixed water-dispersed inorganic coating material containing the defoaming agent and the dispersant was coated and dried to a coating amount of 60 g / m 2 (solid content) on both sides to obtain an inorganic sheet.
実施例２ ガラス繊維（９μｍφ×9mmL）100重量部の水性分散
液に、木材パルプ・NBKP11重量部、ポリビニルアルコー
ル16重量部を配合して、湿式抄紙機にて常法により抄紙
し、坪量30g/m2の無機繊維不織布を得た。Example 2 11 parts by weight of wood pulp / NBKP and 16 parts by weight of polyvinyl alcohol were added to an aqueous dispersion of 100 parts by weight of glass fiber (9 μmφ × 9 mmL), and paper was made by a conventional method in a wet paper machine, and the basis weight was 30 g. An inorganic fiber nonwoven fabric of / m 2 was obtained.
次にこの無機繊維不織布に、オフマシンのロッドコー
ターで水酸化アルミニウム100重量部、三酸化アンチモ
ン２重量部、塩化ビニル樹脂エマルジョン５重量部（固
形分）、ポリビニルアルコール水溶液３重量部（固形
分）、メラミン−ホルマリン樹脂１重量部、その他必要
に応じて小量の消泡剤、分散液を配合した混合水分散無
機質充填材塗料を無機質シートの両面に塗布量70g/m
2（固形分）になるように塗工、乾燥し、無機質シート
を得た。Next, 100 parts by weight of aluminum hydroxide, 2 parts by weight of antimony trioxide, 5 parts by weight of vinyl chloride resin emulsion (solid content) and 3 parts by weight of polyvinyl alcohol aqueous solution (solid content) were applied to this inorganic fiber nonwoven fabric using an off-machine rod coater. , 1 part by weight of melamine-formalin resin, and a small amount of antifoaming agent if necessary, and a mixed water-dispersed inorganic filler coating compounded with a dispersion liquid are applied on both sides of the inorganic sheet in an amount of 70 g / m 2.
It was coated so as to have a solid content of 2 and dried to obtain an inorganic sheet.
得られた無機質シートの片面に、押出ラミネーターに
より、ポリエチレン樹脂を溶融押出して厚さ20μｍのポ
リエチレン樹脂層を設け、ポリエチレン樹脂層を有する
無機質シートを得た。The polyethylene resin was melt-extruded by an extrusion laminator on one surface of the obtained inorganic sheet to form a polyethylene resin layer having a thickness of 20 μm, and an inorganic sheet having a polyethylene resin layer was obtained.
従来例１ 市販のアスファルト含浸処理をした坪量80g/m2のアス
ベスト紙。Conventional Example 1 Commercially available asphalt impregnated asbestos paper with a basis weight of 80 g / m 2 .
従来例２ 市販の木材パルプと水酸化アルミニウムの混抄紙坪量
160g/m2。Conventional Example 2 Commercial paper pulp and aluminum hydroxide mixed paper basis weight
160 g / m 2 .
実施例、比較例、従来例それぞれの無機質シートにつ
いて物性及び適性試験を行なった結果を表に示す。The results of physical properties and suitability tests for the inorganic sheets of Examples, Comparative Examples and Conventional Examples are shown in the table.
試験方法 通気度 たばこ巻紙用通気度計により10mmH2Oに加圧された温
度20℃の空気が試料面積2cm2より１分間に通過する体積
を測定した。Test method Air permeability The air volume at a temperature of 20 ° C pressurized to 10 mmH 2 O was measured from the sample area of 2 cm 2 for 1 minute by an airflow meter for cigarette paper.
浸水伸度 JAPAN TAPPI No.27による。20℃の水に15分間浸漬
した後の試料の伸びを測定した。Inundation elongation According to JAPAN TAPPI No.27. The elongation of the sample was measured after immersion in water at 20 ° C for 15 minutes.
ソリ ウレタン樹脂発泡断熱材（厚さ25mm、幅850mm、流れ6
00mm）を作成する際、試料無機質シートを片面に接着
し、樹脂を発泡させて断熱材とした後、温度50℃、RH10
％雰囲気に２週間放置後、中央部のソリの高さを測定し
た。Polyurethane resin foam insulation (25 mm thick, 850 mm wide, flow 6
00mm), the sample inorganic sheet is adhered to one side and the resin is foamed to make a heat insulating material.
% After being left in the atmosphere for 2 weeks, the height of the central sled was measured.
表に示した結果によれば、本発明の実施例はいずれも
無機繊維不織布及び無機充填材塗工層の配合組成が本発
明の配合範囲内にあるときに、通気度で表される発泡樹
脂に対する目止め性、浸水伸度、ソリで表される環境条
件に対する寸法安定性に優れている。片面にポリエチレ
ン樹脂層を設けたもの（実施例４）は、目止め性が格段
にすぐれている。According to the results shown in the table, in all the examples of the present invention, when the composition composition of the inorganic fiber nonwoven fabric and the inorganic filler coating layer is within the composition range of the present invention, the foamed resin represented by the air permeability. It has excellent sealing properties against water, elongation to water immersion, and dimensional stability against environmental conditions represented by warpage. The polyethylene resin layer provided on one surface (Example 4) has remarkably excellent sealing properties.
これに対し、無機繊維が少なく、有機繊維、有機結合
剤が多い（比較例１）と無機質シートの充分な寸法安定
性が得られず、一方無機繊維が多く、有機繊維、有機結
合剤が少ない（比較例２）と無機質シートに充分な樹脂
目止め性を付与することができず、また充分な機械的強
度が得られなくな る。無機繊維不織布の無機質充填材が多く（比較例３）
ても機械的強度が低下するので好ましくない。無機充填
材塗工層の無機充填材が少なく、有機結合剤が多い（比
較例４）と、無機質シートと発泡樹脂との充分な接着性
が得られない上、樹脂の目止め性も悪化する。反対に無
機充填材が多く、有機結合剤が少ない（比較例５）と無
機質充填材の無機質シートに対する充分な接着性が得ら
れない。On the other hand, when there are few inorganic fibers and there are many organic fibers and organic binders (Comparative Example 1), sufficient dimensional stability of the inorganic sheet cannot be obtained, while there are many inorganic fibers and few organic fibers and organic binders. (Comparative Example 2) and the inorganic sheet cannot be provided with sufficient resin sealing properties, and sufficient mechanical strength cannot be obtained. You. A lot of inorganic fillers in inorganic fiber nonwoven fabric (Comparative Example 3)
However, mechanical strength is lowered, which is not preferable. When the inorganic filler coating layer contains a small amount of inorganic filler and a large amount of organic binder (Comparative Example 4), sufficient adhesiveness between the inorganic sheet and the foamed resin cannot be obtained, and the sealing property of the resin also deteriorates. . On the contrary, if the amount of the inorganic filler is large and the amount of the organic binder is small (Comparative Example 5), sufficient adhesiveness of the inorganic filler to the inorganic sheet cannot be obtained.
従来のアスベスト紙（従来例１）は樹脂の目止め性が
悪く、環境衛生上の問題があり、木材パルプと水酸化ア
ルミニウムの混抄紙（従来例２）は寸法安定性が不充分
で、断熱材のソリ、ネジレが大きくなる。Conventional asbestos paper (conventional example 1) has poor resin sealing properties and environmental hygiene problems, and mixed paper of wood pulp and aluminum hydroxide (conventional example 2) has insufficient dimensional stability and heat insulation. The warp and twist of the material will increase.
［発明の効果］ 本発明は発泡樹脂断熱材に用いられる従来の無機質シ
ートに比較して、発泡樹脂に対する目止め性及び環境条
件に対する寸法安定性に優れている。[Effects of the Invention] The present invention is superior to the conventional inorganic sheet used for a foamed resin heat insulating material in terms of sealing properties against the foamed resin and dimensional stability against environmental conditions.
充分な目止め性を有するので、従来アスベスト繊維を
使用した際に行われてい目止め補強のためのアスファル
トの含浸工程を必要とせず、断熱材メーカーにおける製
造効率の向上につながる。Since it has a sufficient sealing property, it does not require an asphalt impregnation step for reinforcing the sealing, which has been conventionally performed when using asbestos fibers, which leads to an improvement in manufacturing efficiency at a heat insulating material manufacturer.
また、寸法安定性に優れているので、従来の木材パル
プと、無機質充填材との混抄紙に比べて断熱材のソリ、
ネジレによる不良率を大幅に低減させ得るため、保存時
或いは施工後の製品不良発生を防止することができる。In addition, since it is excellent in dimensional stability, compared with conventional paper pulp and paper mixed with inorganic filler, the warp of the heat insulating material,
Since the defective rate due to twisting can be significantly reduced, it is possible to prevent the occurrence of defective products during storage or after construction.
本発明の無機質シートは、無機繊維にアスベスト繊維
を使用していないので、近年問題となっているアスベス
ト繊維による環境、衛生への悪影響を全く心配する必要
がなく、製造、施工、使用上いずれにも優れた無機質シ
ートである。Since the inorganic sheet of the present invention does not use asbestos fibers as the inorganic fibers, there is no need to worry about the adverse effects on the environment and hygiene due to the asbestos fibers that have become a problem in recent years, and in production, construction, and use. Is also an excellent inorganic sheet.
第１図は本発明の発泡樹脂断熱材無機質シートの層構成
の一例を示す部分拡大断面図、第２図、第３図は他の層
構成の例を示す部分拡大断面図である。 １……無機繊維不織布、２……無機質充填材層、 ３……ポリエチレン樹脂層。FIG. 1 is a partially enlarged cross-sectional view showing an example of the layer structure of a foamed resin heat insulating material inorganic sheet of the present invention, and FIGS. 2 and 3 are partially enlarged cross-sectional views showing examples of other layer structures. 1 ... Inorganic fiber nonwoven fabric, 2 ... Inorganic filler layer, 3 ... Polyethylene resin layer.
Claims (3)
質シートにおいて、無機繊維30〜90重量％、無機質充填
材０〜20重量％、有機繊維及び／又は有機結合剤10〜70
重量％からなる無機繊維不織布の片面又は両面に、無機
質充填材70〜95重量％、有機結合剤５〜30％からなる層
を有する樹脂発泡断熱材用無機質シート。1. An inorganic sheet for use on one side or both sides of a resin foam heat insulating material, comprising 30 to 90% by weight of inorganic fibers, 0 to 20% by weight of inorganic filler, 10 to 70% of organic fibers and / or organic binders.
An inorganic sheet for a resin foam heat insulating material, comprising a layer composed of 70 to 95% by weight of an inorganic filler and 5 to 30% of an organic binder on one side or both sides of an inorganic fiber non-woven fabric composed of 5% by weight.
維、鉱滓綿繊維、セラミック繊維である第１項記載の樹
脂発泡断熱材用無機質シート。2. The inorganic sheet for resin foam heat insulating material according to claim 1, wherein the inorganic fiber is glass fiber, rock wool fiber, mineral wool fiber, or ceramic fiber.
又は第２項記載の樹脂発泡断熱材無機質シート。3. The resin foam heat insulating material inorganic sheet according to claim 1, which has a polyethylene resin layer on one surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63021907A JP2543390B2 (en) | 1988-02-03 | 1988-02-03 | Inorganic sheet for resin foam insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63021907A JP2543390B2 (en) | 1988-02-03 | 1988-02-03 | Inorganic sheet for resin foam insulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01198336A JPH01198336A (en) | 1989-08-09 |
| JP2543390B2 true JP2543390B2 (en) | 1996-10-16 |
Family
ID=12068168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63021907A Expired - Fee Related JP2543390B2 (en) | 1988-02-03 | 1988-02-03 | Inorganic sheet for resin foam insulation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2543390B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04161554A (en) * | 1990-10-23 | 1992-06-04 | T Pii S Sanpo Honsha:Kk | Interior material of inorganic fiber plate and its construction |
| WO2006070829A1 (en) | 2004-12-28 | 2006-07-06 | Sharp Kabushiki Kaisha | Liquid crystal device and drive method thereof |
| JP2008303593A (en) * | 2007-06-07 | 2008-12-18 | Sekisui Chem Co Ltd | Tatami mat forming member and thin tatami mat using the same |
| JP5280388B2 (en) * | 2009-08-27 | 2013-09-04 | 王子エフテックス株式会社 | Sheet for surface material and insulation board made of foamed resin |
| WO2013073396A1 (en) * | 2011-11-18 | 2013-05-23 | 三菱製紙株式会社 | Base fabric face material for foamed plastic insulating material |
| JP5934133B2 (en) * | 2013-03-25 | 2016-06-15 | 積水化学工業株式会社 | Composite foam |
| US11685140B2 (en) * | 2020-06-05 | 2023-06-27 | Johns Manville | Non-wicking underlayment board |
| US11773586B2 (en) * | 2020-06-05 | 2023-10-03 | Johns Manville | Non-wicking underlayment board |
| JP7424962B2 (en) * | 2020-11-27 | 2024-01-30 | フクビ化学工業株式会社 | Phenolic resin foam laminate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54148884A (en) * | 1978-05-15 | 1979-11-21 | Toho Kurosu Kk | Synthetic glass nonwoven sheet |
| JPS61272138A (en) * | 1985-05-28 | 1986-12-02 | 鈴木 貞夫 | Resin foam composite heat-insulating material |
-
1988
- 1988-02-03 JP JP63021907A patent/JP2543390B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54148884A (en) * | 1978-05-15 | 1979-11-21 | Toho Kurosu Kk | Synthetic glass nonwoven sheet |
| JPS61272138A (en) * | 1985-05-28 | 1986-12-02 | 鈴木 貞夫 | Resin foam composite heat-insulating material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01198336A (en) | 1989-08-09 |
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