JPH0366760A - Flame-retardant resin composition - Google Patents

Flame-retardant resin composition

Info

Publication number
JPH0366760A
JPH0366760A JP20356989A JP20356989A JPH0366760A JP H0366760 A JPH0366760 A JP H0366760A JP 20356989 A JP20356989 A JP 20356989A JP 20356989 A JP20356989 A JP 20356989A JP H0366760 A JPH0366760 A JP H0366760A
Authority
JP
Japan
Prior art keywords
flame
resin composition
pts
retardant resin
powder
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
JP20356989A
Other languages
Japanese (ja)
Inventor
Kazumi Ito
伊藤 一巳
Shin Yoshida
伸 吉田
Hiroko Tamamoto
玉本 裕子
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 JP20356989A priority Critical patent/JPH0366760A/en
Publication of JPH0366760A publication Critical patent/JPH0366760A/en
Pending legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE:To obtain a flame-retardant resin composition having excellent mechanical strength and free from the emission of toxic gas by compounding a non halogen resin with two or more kinds of components selected from antimony powder, zinc powder and polyorganosiloxane. CONSTITUTION:The objective flame-retardant resin composition is produced by compounding (A) 100 pts.wt. of a resin free from halogen element (e.g. ethylene-vinyl acetate copolymer or polyolefin) with (B) two or more kinds of components selected from the group of B1 to B3 comprising (B1) 3-50 pts.wt. of antimony powder having particle diameter of <=430mum and preferably surface- treated with a polymeric compound (e.g. acrylic polymer) having a melting point of 200-300 deg.C. (B2) 3-50 pts.wt. of zinc powder having particle diameter of <=85mum and preferably surface treated similar to the component B1 and (B3) 1-10 pts.wt. of a polyorganosiloxane having a viscosity of 10-2,000,000cst, e.g. a silicone oil having methyl, phenyl, etc., as side chains.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、ノンハロゲン系の難燃性樹脂組成物に係り、
特に存寄ガスの発生がなくl!械的強度に優れる難燃性
樹脂組成物に関する。
Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a non-halogen flame retardant resin composition,
In particular, there is no generation of residual gas! The present invention relates to a flame-retardant resin composition with excellent mechanical strength.

〈従来の技術) 近年、各種シート、フィルム、あるいは電線・ケーブル
の被覆材として用いられている難燃性の樹脂組成物は、
燃焼時の発煙を防ぐためにノンハロゲン系の組成物を用
いて、腐食性のハロゲン化水素ガスの発生を防止してい
る。このような組成物としては、ノンハロゲン系の樹脂
、即ちポリエチレン、エチレン−エチルアクリレートな
どの樹脂に水酸化マグネシウム、水酸化アルミニウムな
どの水和金属化合物を添加したものが一般に用いられて
いる。しかしながら、水和金属化合物は。
(Prior Art) In recent years, flame-retardant resin compositions have been used as various sheets, films, or coating materials for electric wires and cables.
In order to prevent smoke during combustion, a non-halogen composition is used to prevent the generation of corrosive hydrogen halide gas. As such a composition, a composition obtained by adding a hydrated metal compound such as magnesium hydroxide or aluminum hydroxide to a non-halogen resin, ie, a resin such as polyethylene or ethylene-ethyl acrylate, is generally used. However, hydrated metal compounds.

充分な難燃性を得るためには多量に配合しなければなら
ず、その結果得られる組成物の機械的特性が著しく低下
してしまうという問題があった。
In order to obtain sufficient flame retardancy, a large amount must be added, resulting in a problem in that the mechanical properties of the resulting composition are significantly reduced.

そこで、難燃効果の高い赤リンを単独あるいは水和金属
化合物と併用して配合することが提案されている。
Therefore, it has been proposed to incorporate red phosphorus, which has a high flame retardant effect, either alone or in combination with a hydrated metal compound.

しかしながら、赤リンはハロゲン化水素ガスの発生が無
くまた、機械的特性を損なわずに高い難燃性を付与でき
る反面、燃焼時には人体に有害なホスフィンガスを発生
するという新たな問題が生じている。
However, while red phosphorus does not generate hydrogen halide gas and can provide high flame retardancy without impairing its mechanical properties, a new problem has arisen: when burned, it generates phosphine gas that is harmful to the human body. .

(発明が解決しようとする課題) 以上の点に鑑みて、本発明は得られる組成物の機械的特
性を良好に保ちながら高い難燃性を有し。
(Problems to be Solved by the Invention) In view of the above points, the present invention provides a composition that has high flame retardancy while maintaining good mechanical properties.

しかも燃焼時にハロゲン化水素ガス、ホスフィンガスな
どの有害ガスを発生することの無い難燃性樹脂組成物を
提供することを目的とする。
Moreover, it is an object of the present invention to provide a flame-retardant resin composition that does not generate harmful gases such as hydrogen halide gas and phosphine gas when burned.

(課題を解決するための手段) 本発明は即ち、ハロゲン元素をオまない樹脂100重量
部に、(イ)粒径430μm以下のアンチモン粉末3−
50重II部、(ロ)粒径85 tt m以ドの亜鉛粉
末3〜50重量部、(ハ)10〜200万センチストー
クスのポリオルガノシロキサン1〜10重量部からなる
群から選ばれた少なくとも2種を配合してなることを特
徴とする難燃性樹脂組成物に関する。
(Means for Solving the Problems) In other words, the present invention is characterized in that (a) antimony powder with a particle size of 430 μm or less is added to 100 parts by weight of a resin that does not contain halogen elements;
(b) 3 to 50 parts by weight of zinc powder with a particle size of 85 ttm or less; (c) 1 to 10 parts by weight of polyorganosiloxane with a particle size of 10 to 2 million centistokes. The present invention relates to a flame-retardant resin composition characterized by blending two types.

本発明は、上記くイ〉、(ロ)、および〈ハ)からなる
群の中から少なくとも2種を併用して配合することによ
り、非常に高い難燃性を有し、かつ得られる組成物の機
械的特性を良好に保つことができ2しかも燃焼時にハロ
ゲン化水素ガス、ホスフィンガスなどの有害ガスを発生
しない。
The present invention provides a composition that has extremely high flame retardancy and is obtained by blending together at least two types from the group consisting of (a), (b), and (c) above. The mechanical properties of the fuel can be maintained well, and no harmful gases such as hydrogen halide gas or phosphine gas are generated during combustion.

本発明におけるハロゲン元素を含まないvA脂としては
、ボリエ千しン5ポリプロピレンを初めとするポリオレ
フィン、エチレン−エチルアクリレートコポリマー(E
EA)、エチレン−酢酸ヒニル共重合体(EEA)など
を+1独あるいは混合したもの、およびその架橋物等を
使用することができる。
In the present invention, the vA fat that does not contain a halogen element includes polyolefins such as Borie Senshin 5 polypropylene, ethylene-ethyl acrylate copolymer (E
EA), ethylene-hinyl acetate copolymer (EEA), etc. alone or a mixture thereof, and crosslinked products thereof can be used.

本発明における(イ)アンチモン粉末は、粒径430μ
m以下の金属アンチモン粉末を用い、また本発明におけ
る(口)亜鉛粉末は、粒径8574m以下の金属亜鉛粉
末を用いる。さらにこれらの粉末の表面を融点200〜
300℃の範囲内にある高分子化合物にて表l1ii処
理したものを用いても良い、アンチモン粉末または亜鉛
粉末の粒径がに記の数幀を越えると、樹脂に対する分散
が悪くなり、また得られる組成物の8!械的強度が低下
する。
(a) Antimony powder in the present invention has a particle size of 430 μm.
Metallic antimony powder having a particle size of 8574m or less is used, and as zinc powder in the present invention, a metal zinc powder having a particle size of 8574m or less is used. Furthermore, the surface of these powders has a melting point of 200~
It is possible to use antimony powder or zinc powder treated with a polymer compound in the range of 300°C in Table 11ii. If the particle size of the antimony powder or zinc powder exceeds the several squares shown below, the dispersion in the resin will be poor and the yield will be poor. 8 compositions that can be used! Mechanical strength decreases.

また1表面処理に用いる融点200℃以−Eの高分子化
合物としては、アクリル系樹脂、ポリカーボネート系樹
脂等がある。これらのVI4脂で亜鉛粉末を表面処理す
ることにより、亜鉛粉末は混線時に樹脂との相溶性が向
上して均一に分散され、また着色が可能となる0表面処
理に用いる高分子化合物は融点が200〜300℃の範
囲内のものが組成物の燃焼時に優れた難燃効果を発揮す
る0表面処理の方法は、使用する高分子化合物をその融
点付近の温度で上記粉末に吹き付けた後100℃程度で
乾燥させれば良い、(イ)アンチモン粉末または(口〉
亜鉛粉末の配合割合はハロゲン元素を含まない樹脂10
0重最部に対してそれぞれ3〜50重量部であり、これ
より少ないと難燃性が不十分となり、これより多いと得
られる組成物の機械的特性が低下する傾向にある。
Further, examples of the polymer compound having a melting point of -E of 200° C. or higher used for surface treatment include acrylic resins, polycarbonate resins, and the like. By surface-treating the zinc powder with these VI4 resins, the zinc powder improves its compatibility with the resin and is dispersed uniformly when cross-wired, and the melting point of the polymer compound used for surface treatment that enables coloring is increased. The method of surface treatment, in which a temperature within the range of 200 to 300°C exhibits an excellent flame retardant effect when the composition is combusted, is to spray the polymer compound to be used on the powder at a temperature near its melting point, and then heat the powder at 100°C. (a) Antimony powder or (mouth)
The blending ratio of zinc powder is 10% of the resin that does not contain halogen elements.
The amount is 3 to 50 parts by weight, respectively, based on the zero weight part. If the amount is less than this, the flame retardance will be insufficient, and if it is more than this, the mechanical properties of the resulting composition will tend to deteriorate.

本発明における(ハ)10〜200万センチストークス
のポリオルガノシロキサンは、メチル基、フェニル基等
を測鎖に持つシリコーンオイルまたはシリコーンゴムを
使用することができる。またその配合割合はハロゲン元
素を含まない樹脂100重量部に対にて1〜10重盪部
であり、これより少ないと難燃性の向上が少なく、また
これより多いと滑性が増大しコンパウンディングや押し
出し加工性が著しく低下する。
As the (c) polyorganosiloxane of 100,000 to 2,000,000 centistokes in the present invention, silicone oil or silicone rubber having a methyl group, phenyl group, etc. in the chain can be used. The blending ratio is 1 to 10 parts by weight per 100 parts by weight of resin that does not contain halogen elements; if it is less than this, there will be little improvement in flame retardancy, and if it is more than this, the lubricity will increase and the compound will ding and extrusion processability will be significantly reduced.

また、本発明においては他の難燃剤として水酸化アルミ
ニウム、水酸化マグネシウムなどの金属水和物、あるい
はカーボンを併用して配合することができる。この場合
、水酸化アルミニウムおよび水酸化マグネシウムの平均
粒径は樹脂との分散性を良くするために1μm程度が好
ましい、また配合割合は、ハロゲン元素を含まない樹脂
100重厘部に対してカーボンを4重i部以下、また水
酸1ヒアルミニウム、水酸化マグネシウムは単独あるい
は両者を混合して70〜900〜90重量部く2この範
囲外では得られる組成物の機械的特性の低下が生じ、難
燃性の向上に寄与しない。
Further, in the present invention, other flame retardants such as metal hydrates such as aluminum hydroxide and magnesium hydroxide, or carbon may be used in combination. In this case, the average particle size of aluminum hydroxide and magnesium hydroxide is preferably about 1 μm in order to improve dispersibility with the resin, and the blending ratio is that carbon is added to 100 parts by weight of resin that does not contain halogen elements. 4 parts by weight or less, and hyaluminum hydroxide and magnesium hydroxide, alone or in combination, 70 to 900 to 90 parts by weight.2 Outside this range, the mechanical properties of the resulting composition will deteriorate; Does not contribute to improving flame retardancy.

(実施例) 本発明の実施例について説明する。(Example) Examples of the present invention will be described.

実施例1〜11 表に示す割合で各成分を配合し、充分混練して難燃性樹
脂組成物を製造した。これを用いて次の試験をした。R
械的特性は、100%モジュラス、引っ張り強さ(Ts
)、伸び(El)を測定した。
Examples 1 to 11 Each component was blended in the proportions shown in the table and thoroughly kneaded to produce a flame-retardant resin composition. The following test was conducted using this. R
Mechanical properties include 100% modulus, tensile strength (Ts
) and elongation (El) were measured.

また1、 OO℃×120時間加熱後および70℃X4
時間油中に浸漬した後の引っ張り強さ残率(TS残率)
、伸び強さ残率(El残率)を測定した。
Also 1. After heating at OO℃ x 120 hours and at 70℃ x 4
Tensile strength residual rate (TS residual rate) after being immersed in oil for an hour
, the elongation strength retention (El retention) was measured.

難燃性は、酸素指数の測定およびUL−94Mi格試験
全試験た。結果を表に示す。
Flame retardancy was determined by oxygen index measurement and all UL-94Mi rating tests. The results are shown in the table.

比較13’ll〜4 表に示す割合で各成分を配合し、その他は実施例1と同
様にして製造および試験をした。結果を表に示す。
Comparison 13'll~4 Each component was blended in the proportions shown in the table, and the manufacturing and testing were carried out in the same manner as in Example 1 except for the following. The results are shown in the table.

〈以下余白〉 表に示されるように、本発明の難燃性樹脂組成物は、水
和金民化合物と赤リンを併用した場合と同等の難燃性1
機械的特性を有しながら、かつ有害ガスを発生すること
がない、また、上記(イ〉、(ロ)、および〈ハ〉から
なる群の中から少なくとも2種を併用して配合している
ので、これらを単独で配合した場合に比して難燃性が大
幅に向りしている。
(Left below) As shown in the table, the flame retardant resin composition of the present invention has a flame retardance of 1 equivalent to that of the combination of the hydrated gold compound and red phosphorus.
It has mechanical properties and does not generate harmful gases, and is formulated in combination with at least two types from the group consisting of (a), (b), and (c) above. Therefore, flame retardancy is significantly improved compared to when these are blended alone.

(発明の効果) 以上本発明の難燃性樹脂組成物は、機械的特性を良好に
保ちながら、難燃性を大幅に向」−17、また燃焼特に
ハロゲン化水素ガス、ホスフィンガスなどの有害ガスを
発生しないので極めて安全であり幅広い用途に提供でき
るものである。
(Effects of the Invention) As described above, the flame-retardant resin composition of the present invention has significantly improved flame retardancy while maintaining good mechanical properties. Since it does not generate gas, it is extremely safe and can be used in a wide range of applications.

Claims (1)

【特許請求の範囲】[Claims] (1)ハロゲン元素を含まない樹脂100重量部に、(
イ)粒径430μm以下のアンチモン粉末3〜50重量
部、(ロ)粒径85μm以下の亜鉛粉末3〜50重量部
、(ハ)10〜200万センチストークスのポリオルガ
ノシロキサン1〜10重量部からなる群から選ばれた少
なくとも2種を配合してなることを特徴とする難燃性樹
脂組成物。
(1) To 100 parts by weight of resin that does not contain halogen elements, (
a) 3 to 50 parts by weight of antimony powder with a particle size of 430 μm or less, (b) 3 to 50 parts by weight of zinc powder with a particle size of 85 μm or less, and (c) 1 to 10 parts by weight of polyorganosiloxane with a particle size of 10 to 2 million centistokes. A flame-retardant resin composition comprising at least two selected from the group consisting of:
JP20356989A 1989-08-04 1989-08-04 Flame-retardant resin composition Pending JPH0366760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20356989A JPH0366760A (en) 1989-08-04 1989-08-04 Flame-retardant resin composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20356989A JPH0366760A (en) 1989-08-04 1989-08-04 Flame-retardant resin composition

Publications (1)

Publication Number Publication Date
JPH0366760A true JPH0366760A (en) 1991-03-22

Family

ID=16476299

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20356989A Pending JPH0366760A (en) 1989-08-04 1989-08-04 Flame-retardant resin composition

Country Status (1)

Country Link
JP (1) JPH0366760A (en)

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