JPH0291245A - Flame-retardant sheet - Google Patents

Flame-retardant sheet

Info

Publication number
JPH0291245A
JPH0291245A JP63229691A JP22969188A JPH0291245A JP H0291245 A JPH0291245 A JP H0291245A JP 63229691 A JP63229691 A JP 63229691A JP 22969188 A JP22969188 A JP 22969188A JP H0291245 A JPH0291245 A JP H0291245A
Authority
JP
Japan
Prior art keywords
resin
flame
retardant
coating layer
carbon fiber
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
JP63229691A
Other languages
Japanese (ja)
Inventor
Kazumi Ito
伊藤 一巳
Hiroo Shibahara
柴原 弘夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SWCC Corp
Original Assignee
Showa Electric Wire and Cable Co
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 Showa Electric Wire and Cable Co filed Critical Showa Electric Wire and Cable Co
Priority to JP63229691A priority Critical patent/JPH0291245A/en
Publication of JPH0291245A publication Critical patent/JPH0291245A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obtain the title sheet consisting of a carbon fiber provided with a coating layer of a non-halogen based flame-retardant composition formed into a specific thickness, capable of readily processing into a woven fabric and coloring and suitable for ornament, etc., having abrasion resistance. CONSTITUTION:The aimed sheet consisting of a polyacrylonitrile based or pitch based carbon fiber provided with a coating layer formed into 10-300mum thickness and consisting of a non-halogen based flame-retardant resin composition obtained by adding a phosphorus compound to a resin selected from polyolefin resin, polybutylene terephthalate resin, polyetherimide resin, (modified) polyphenylene oxide resin and polyurethane resin.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、カーペットやマット等の室内装飾品に好適す
る難燃性のシートに間する。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention provides a flame-retardant sheet suitable for interior decoration products such as carpets and mats.

(従来の技術) 近年、高層ビルを始めとする建築物において使用される
カーペットや床マット、壁紙等の床、壁、天井に施され
る各種室内装飾品には、火災発生時に対する特性として
難燃性、低発煙性、有害ガスの発生の防止等の要求が厳
しくなっている。
(Prior art) In recent years, various interior decoration products applied to floors, walls, and ceilings such as carpets, floor mats, and wallpaper used in buildings such as high-rise buildings have characteristics that are difficult to prevent in the event of a fire. Requirements for flammability, low smoke emission, prevention of harmful gas generation, etc. are becoming stricter.

従来、このような壁紙としては、燃焼時に水分を発生す
る性質を持つ無機水和物を多量に添加した紙から構成さ
れた難燃紙が用いられている。また、このようなカーム
・ントや床マットとしては、難燃効果を持つポリエステ
ルやポリアミド等の繊維を加工して織物にしたもの(例
えば特開昭60−25962号公報)や、ガラス繊維を
加工したガラスクロス等が用いられている。さらに、難
燃剤等の混合物を紙や繊維に塗布して難燃化処理する方
法も行われている。
Conventionally, flame-retardant paper made of paper containing a large amount of inorganic hydrate, which has the property of generating moisture when burned, has been used as such wallpaper. In addition, such carpets and floor mats are made of fabrics made by processing fibers such as polyester and polyamide, which have a flame retardant effect (for example, Japanese Patent Application Laid-Open No. 60-25962), and fabrics made of processed glass fibers. Glass cloth etc. are used. Furthermore, a method of applying a mixture of flame retardants and the like to paper or fibers to make them flame retardant has also been carried out.

しかしながら従来のこのような難燃性の室内装飾品のう
ち、紙や有機系樹脂を基材に用いているものは、火災発
生時に高温にさらされると燃焼や分解が生じ、さらに多
量に発煙するという欠点がある、また、ガラス繊維を加
工したガラスクロスは、人体と接触した際の刺激性が強
いばかりでなく、可撓性、軽量性に劣るという欠点を有
している。
However, among these conventional flame-retardant interior decoration products, those that use paper or organic resin as a base material will burn or decompose if exposed to high temperatures in the event of a fire, and emit a large amount of smoke. Furthermore, glass cloth made from processed glass fibers not only is highly irritating when it comes into contact with the human body, but also has the disadvantage of being inferior in flexibility and lightness.

このため、より高度な難燃性を付与するために最近開発
されたポリアクリロニトリル系又はピッチ系といった有
機質系の炭素繊維を織物に加工して難燃性のマット等が
製造されている。炭素繊維は通常、出発原料の有機材料
を400℃程度で充分酸化させた後、高温焼成して完全
に炭化させて得られるが、有機質系の炭素繊維は、出発
原料を充分酸化させた後、不完全に炭化させて得られる
ものであり、出発原料の有機材料の持つ可撓性を有しな
がらかつ高度に難燃化された特性を持つものである。
For this reason, flame-retardant mats and the like are manufactured by processing organic carbon fibers such as polyacrylonitrile-based or pitch-based carbon fibers, which have been recently developed to provide higher flame retardance, into textiles. Carbon fibers are usually obtained by fully oxidizing the starting organic material at about 400°C and then firing at high temperature to completely carbonize it. Organic carbon fibers are obtained by sufficiently oxidizing the starting material, It is obtained by incomplete carbonization, and has the flexibility of the starting organic material while also being highly flame retardant.

(発明が解決しようとする課題) しかしながら、上述のような有機質系の炭素繊維は、黒
色であるため室内装飾品として使用するには制限が大き
く、さらにこれらを加工した織物等のシートは、耐摩耗
性が低く、床マット等として使用するには耐久性が非常
に悪いという問題がある。
(Problems to be Solved by the Invention) However, since the organic carbon fibers mentioned above are black, their use as interior decorations is severely limited, and furthermore, sheets such as fabrics processed with these fibers have limited durability. The problem is that it has low abrasion resistance and is too durable to be used as a floor mat or the like.

以上の点に鑑みて本発明は、耐摩耗性を大幅に向上させ
、かつ着色が可能で幅広い用途に使用できる難燃性織物
を提供することを目的とした。
In view of the above points, an object of the present invention is to provide a flame-retardant fabric that has significantly improved abrasion resistance, can be colored, and can be used for a wide range of purposes.

(課題を解決するための手段) 本発明は即ち、非ハロゲン系難燃性樹脂組成物による被
1層を、厚さ10〜300μmに設けたポリアクリロニ
トリル系又はピッチ系の炭素繊維からなる難燃性シート
に間する。また、リン化合物を添加したポリオレフィン
樹脂、ポリブチレンテレフタレート樹脂、ポリエーテル
イミド樹脂、ポリフェニレンオキサイド樹脂または変性
ポリフェニレンオキサイド樹脂、ポリウレタン樹脂等の
樹脂による被覆層を用いれば、さらに耐摩耗性、難燃性
等を向上することができる。
(Means for Solving the Problems) The present invention provides a flame-retardant film made of polyacrylonitrile-based or pitch-based carbon fibers having a thickness of 10 to 300 μm and coated with a non-halogen flame-retardant resin composition. between sex sheets. In addition, if a coating layer made of a resin such as polyolefin resin, polybutylene terephthalate resin, polyetherimide resin, polyphenylene oxide resin, modified polyphenylene oxide resin, or polyurethane resin containing a phosphorus compound is used, further abrasion resistance, flame retardancy, etc. can be improved.

本発明は上述のような柔軟で可撓性に優れた有機質系の
炭素繊維に、非ハロゲン系難燃性樹脂組成物からなる被
覆層を設けることにより、これを加工して得られるシー
トの耐摩耗性を大幅に向上させるとともに、着色を可能
にしている。
The present invention provides a coating layer made of a non-halogen flame retardant resin composition on the above-mentioned soft and flexible organic carbon fiber, thereby increasing the durability of the sheet obtained by processing the same. It significantly improves abrasion resistance and allows for coloring.

本発明におけるポリアクリロニトリル系又はピッチ系の
炭素繊維としては、上述のような不完全炭化させた可撓
性にすぐれる炭素繊維があり、具体的にはポリアクリロ
ニトリル系炭素繊維中間体のパイロメックス(東邦レー
ヨン株式会社製 商品名)等が好適する。
Examples of polyacrylonitrile-based or pitch-based carbon fibers in the present invention include carbon fibers that are incompletely carbonized and have excellent flexibility, as described above, and specifically, Pyromex (a polyacrylonitrile-based carbon fiber intermediate) Toho Rayon Co., Ltd. (product name) etc. are suitable.

本発明において炭素繊維を被覆する樹脂としては、燃焼
時の低発煙性、無毒性の効果を持たせるためにハロゲン
を含まない樹脂を使用する。本発明に使用するこれらの
樹脂としては、特に耐摩耗性あるいは着色の容易性に優
れるポリブチレンテレフタレート樹脂、ポリエーテルイ
ミド樹脂、ボッフェニレンオキサイド梅脂、変性ポリフ
ェニレンオキサイド樹脂、ポリウレタン樹脂、さらにボ
Jエチレン樹脂、ポリプロピレン樹脂、エチレン系共重
合体等のポリオレフィン樹脂等がある。
In the present invention, a resin that does not contain halogen is used as the resin for coating the carbon fibers in order to provide low smoke emission during combustion and non-toxic effects. These resins used in the present invention include polybutylene terephthalate resin, polyetherimide resin, bophenylene oxide plum fat, modified polyphenylene oxide resin, polyurethane resin, and BoJ ethylene resin, which have particularly excellent abrasion resistance or ease of coloring. Examples include polyolefin resins such as resins, polypropylene resins, and ethylene copolymers.

そしてこれらの中から適宜選択した樹脂に添加する難燃
剤としては、上述の樹脂の場合と同様の理由からハロゲ
ンを含まない化合物を使用する。
As the flame retardant added to the resin appropriately selected from these, a halogen-free compound is used for the same reason as in the case of the resin described above.

本発明に使用するこれらの難燃剤としては、難燃効果の
優れる水酸化マグネシウム、水酸化アルミニウム等の金
属水和化合物、リン酸エステル等のリン化合物や、低発
煙性効果の優れるモリブデン化合物、ジルコニア化合物
等がある。これらの中でもリン(ヒ合物は特に難燃性が
優れており好ましい、なお、リン化合物の場合には難燃
性効果からリン含有量が5重量%以上のものが好ましい
。これらの難燃剤を上述の樹脂と混合して非ハロゲン系
難燃性樹脂組成物を得る。
These flame retardants used in the present invention include hydrated metal compounds such as magnesium hydroxide and aluminum hydroxide, which have excellent flame retardant effects, phosphorus compounds such as phosphoric acid esters, molybdenum compounds and zirconia, which have excellent low smoke emitting effects. There are compounds etc. Among these, phosphorus (arsenic compounds are particularly preferred as they have excellent flame retardancy. In addition, in the case of phosphorus compounds, those with a phosphorus content of 5% by weight or more are preferred from the viewpoint of flame retardant effect. These flame retardants are A non-halogen flame retardant resin composition is obtained by mixing with the above-mentioned resin.

また、非ハロゲン系難燃性樹脂組成物を所望の色に着色
するには、着色顔料を難燃剤とともに樹脂中に練り込む
方法が望ましい。
Furthermore, in order to color the non-halogen flame retardant resin composition in a desired color, it is desirable to knead a colored pigment into the resin together with a flame retardant.

本発明において、非ハロゲン系難燃性樹脂組成物を炭素
繊維に被覆する方法としては、押出し機にて炭素繊維上
に直接押出す方法、適当な溶剤に溶解して塗料にしてか
ら塗布する方法、あるいは樹脂組成物を加熱溶融して塗
布する方法等がある。
In the present invention, methods for coating carbon fibers with the non-halogenated flame retardant resin composition include a method of directly extruding it onto the carbon fibers using an extruder, and a method of dissolving it in an appropriate solvent to form a paint and then applying it. Alternatively, there is a method of heating and melting a resin composition and applying it.

なお、この被覆層は厚さ10〜300μmになるように
被覆し、厚さlOμm未溝の6のは製造が困難であり、
300μmを越えると得られた1M維をシート状に織る
作業が困難になるとともに可撓性が低下し、また被覆層
を形成する樹脂組成物による燃焼時の分解ガス発生量の
増大が生じる。このようにして得られた非ハロゲン系難
燃性樹脂組成物を被覆した炭素繊維を織成してシートを
製造する。
Note that this coating layer is coated to a thickness of 10 to 300 μm, and it is difficult to manufacture the ungrooved layer 6 with a thickness of 10 μm.
If it exceeds 300 μm, it becomes difficult to weave the obtained 1M fiber into a sheet shape, the flexibility decreases, and the amount of cracked gas generated during combustion due to the resin composition forming the coating layer increases. Carbon fibers coated with the non-halogen flame retardant resin composition thus obtained are woven to produce a sheet.

なお、本発明においては得られたシートに平滑性を与え
るために、シート表面に非ハロゲン系のゴムや樹脂組成
物をコーティングしても良い。
In the present invention, in order to impart smoothness to the obtained sheet, the surface of the sheet may be coated with a non-halogen rubber or resin composition.

(実施例) 本発明の実施例について説明する0図面は本発明の一実
施例を示す。
(Example) 0 drawings for explaining an example of the present invention show an example of the present invention.

実施例1〜3 表に示す配合で非ハロゲン系難燃性樹脂組成物を製造し
、これをポリアクリロニトリル系炭素繊維1の外周に厚
さ30μmに押出し被覆して、被覆層2を設けた。得ら
れた樹脂被覆炭素繊維を平織りして30X30(2)サ
イズの難燃性シートを製造した。なお、実施例2におい
てはこのようにして得られたシートの片面に、水酸化ア
ルミニウムを添加したエチレン−プロピレンゴムをトル
エン−キシレン混合溶媒に分散させた塗料のコート層を
ドクターナイフ法により厚さ0.2mmに設けた。得ら
れた試料を用いて以下の特性を試験した。
Examples 1 to 3 Non-halogen flame retardant resin compositions were produced with the formulations shown in the table, and were extruded and coated on the outer periphery of polyacrylonitrile carbon fiber 1 to a thickness of 30 μm to provide coating layer 2. The obtained resin-coated carbon fibers were plain-woven to produce a flame-retardant sheet of 30×30(2) size. In Example 2, a coating layer of a paint in which ethylene-propylene rubber to which aluminum hydroxide was added was dispersed in a toluene-xylene mixed solvent was applied to one side of the sheet obtained in this manner using a doctor knife method to increase the thickness. It was set at 0.2 mm. The following characteristics were tested using the obtained sample.

難燃性は、JIS  A  1323に準じて試験した
。評価のA種は、厚さ9mmの鋼板を溶断する際に発生
する火花に対し、発煙及び貫通孔等を生じないもので、
B、C種の評価に比べて最も良好発煙難燃性を示す、量
はASTME  662に準じて測定した。耐摩耗性は
テーパ試験機を用いて摩耗性に対する耐久時間を測定し
た。
Flame retardancy was tested according to JIS A 1323. Class A rating means that the sparks generated when cutting a 9mm thick steel plate will not cause smoke or through-holes.
The amount showing the best smoke retardancy compared to the evaluation of B and C types was measured according to ASTM E 662. Abrasion resistance was measured by measuring durability against abrasion using a taper tester.

比較例1〜4 表に示す配合の非ハロゲン系難燃性樹脂組成物をそれぞ
れの基材繊維の上に被覆して製造したシートを用いて実
施例と同様に試験を行った。
Comparative Examples 1 to 4 Tests were conducted in the same manner as in the Examples using sheets manufactured by coating each base fiber with a non-halogen flame retardant resin composition having the formulation shown in the table.

結果を表に示す。The results are shown in the table.

(以下余白) (発明の効果) 以上本発明は、特定の炭素繊維に非ハロゲン系難燃性樹
脂組成物を被覆した繊維を用いることにより、容易に織
物に加工することができ、また得られる難燃性シートは
着色可能で摩耗性を大幅に向上させる効果を奏する。
(Margins below) (Effects of the Invention) As described above, the present invention uses fibers in which specific carbon fibers are coated with a non-halogen flame-retardant resin composition, which can be easily processed into textiles and can be obtained. Flame-retardant sheets can be colored and have the effect of significantly improving abrasion resistance.

【図面の簡単な説明】[Brief explanation of drawings]

図面は本発明の一実施例を示す難燃性シートの断面図で
ある。 l・・・ポリアクリロニトリル系炭素繊維2・・・被覆
The drawing is a sectional view of a flame retardant sheet showing an embodiment of the present invention. l...Polyacrylonitrile carbon fiber 2...Covering layer

Claims (2)

【特許請求の範囲】[Claims] (1)非ハロゲン系難燃性樹脂組成物による被覆層を、
厚さ10〜300μmに設けたポリアクリロニトリル系
又はピッチ系の炭素繊維からなる難燃性シート。
(1) A coating layer made of a non-halogen flame retardant resin composition,
A flame-retardant sheet made of polyacrylonitrile or pitch carbon fiber with a thickness of 10 to 300 μm.
(2)ポリオレフィン樹脂、ポリブチレンテレフタレー
ト樹脂、ポリエーテルイミド樹脂、ポリフェニレンオキ
サイド樹脂または変性ポリフェニレンオキサイド樹脂、
ポリウレタン樹脂から選ばれた樹脂に、リン化合物を添
加した非ハロゲン系難燃性樹脂組成物による被覆層を、
厚さ10〜300μmに被覆したポリアクリロニトリル
系又はピッチ系の炭素繊維からなる難燃性シート。
(2) polyolefin resin, polybutylene terephthalate resin, polyetherimide resin, polyphenylene oxide resin or modified polyphenylene oxide resin,
A coating layer made of a non-halogen flame retardant resin composition made by adding a phosphorus compound to a resin selected from polyurethane resins,
A flame-retardant sheet made of polyacrylonitrile-based or pitch-based carbon fiber coated to a thickness of 10 to 300 μm.
JP63229691A 1988-09-13 1988-09-13 Flame-retardant sheet Pending JPH0291245A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63229691A JPH0291245A (en) 1988-09-13 1988-09-13 Flame-retardant sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63229691A JPH0291245A (en) 1988-09-13 1988-09-13 Flame-retardant sheet

Publications (1)

Publication Number Publication Date
JPH0291245A true JPH0291245A (en) 1990-03-30

Family

ID=16896191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63229691A Pending JPH0291245A (en) 1988-09-13 1988-09-13 Flame-retardant sheet

Country Status (1)

Country Link
JP (1) JPH0291245A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0584736A (en) * 1991-09-26 1993-04-06 Sekisui Jushi Co Ltd Fiber reinforced thermoplastic resin composite sheet
JP2007269308A (en) * 2006-03-07 2007-10-18 Toray Ind Inc Interior trimming material for aircraft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0584736A (en) * 1991-09-26 1993-04-06 Sekisui Jushi Co Ltd Fiber reinforced thermoplastic resin composite sheet
JP2007269308A (en) * 2006-03-07 2007-10-18 Toray Ind Inc Interior trimming material for aircraft

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