JP2818240B2 - Flame retardant resin composition - Google Patents
Flame retardant resin compositionInfo
- Publication number
- JP2818240B2 JP2818240B2 JP2020029A JP2002990A JP2818240B2 JP 2818240 B2 JP2818240 B2 JP 2818240B2 JP 2020029 A JP2020029 A JP 2020029A JP 2002990 A JP2002990 A JP 2002990A JP 2818240 B2 JP2818240 B2 JP 2818240B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- resin composition
- flame
- parts
- retardant resin
- 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 - Lifetime
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- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Description
【発明の詳細な説明】 「産業上の利用分野」 この発明は、電線、ケーブル等の被覆材料、接続材料
などに用いられるポリオレフィン系ポリマーを主体とし
た難燃性樹脂組成物に関する。Description: TECHNICAL FIELD The present invention relates to a flame-retardant resin composition mainly composed of a polyolefin-based polymer used for a covering material for electric wires and cables, a connecting material, and the like.
「従来の技術」 ポリオレフィン系ポリマーを難燃化するための難燃化
技術の１つに、ポリエチレン、ポリプロピレンなどのポ
リオレフィン系ポリマーに対して水酸化アルミニウム、
水酸化マグネシウムなどの含水無機充填剤を配合するも
のが知られている。"Conventional technology" One of the flame-retardant technologies for flame-retarding polyolefin-based polymers is aluminum hydroxide, polyolefin-based polymers such as polyethylene and polypropylene.
It is known to incorporate a water-containing inorganic filler such as magnesium hydroxide.
この含水無機充填剤を配合するものにあっては、燃焼
時に有害なハロゲン含有ガスが発生しない利点はあるも
のの十分な難燃性を得るためには、含水無機充填剤を多
量に添加する必要があり、多量の添加では引張特性など
の機械的特性や耐寒性の悪化を招く不都合がある。In the case of incorporating this water-containing inorganic filler, there is an advantage that no harmful halogen-containing gas is generated during combustion, but in order to obtain sufficient flame retardancy, it is necessary to add a large amount of the water-containing inorganic filler. In addition, the addition of a large amount has a disadvantage of deteriorating mechanical properties such as tensile properties and cold resistance.
「発明が解決しようとする課題」 よって、この発明における課題は、十分な難燃性を有
し、かつその機械的特性、耐寒性が良好なポリオレフィ
ン系ポリマーを主体とする難燃性樹脂組成物を提供する
ことにある。[Problems to be Solved by the Invention] Accordingly, an object of the present invention is to provide a flame-retardant resin composition mainly composed of a polyolefin-based polymer having sufficient flame retardancy and good mechanical properties and cold resistance. Is to provide.
「課題を解決するための手段」 この発明では、ポリオレフィン系ポリマー100重量部
に対して1,2−ポリブタジエン系熱可塑性エラストマー
0.1〜100重量部、シリコーン樹脂0.5〜30重量部を配合
することによって、上記課題を解決するようにした。[Means for Solving the Problems] In the present invention, a 1,2-polybutadiene-based thermoplastic elastomer is used based on 100 parts by weight of a polyolefin-based polymer.
The above problem was solved by blending 0.1 to 100 parts by weight of silicone resin and 0.5 to 30 parts by weight of silicone resin.
以下、この発明を詳しく説明する。 Hereinafter, the present invention will be described in detail.
この発明におけるポリオレフィン系ポリマーとして
は、高密度ポリエチレン（HDPE）、低密度ポリエチレン
（LDPE）、直鎖状低密度ポリエチレン（LLDPE）などの
ポリエチレン、ポリプロピレン、ポリブテン−１、ポリ
４−メチルペンテン−１などのα−オレフィンホモポリ
マー、エチレン−エチルアクリレート共重合体（EE
A）、エチレン−酢酸ビニル共重合体（EVA）、エチレン
−アクリル酸共重合体（EAA）、エチレン−プロピレン
共重合体、エチレン−ブテン−１共重合体、エチレン−
プロピレン−ジエン共重合体などのエチレンと他のモノ
マーとの共重合体などの単独もしくは複数のポリマーの
ブレンド物等が用いられる。Examples of the polyolefin-based polymer in the present invention include polyethylene such as high-density polyethylene (HDPE), low-density polyethylene (LDPE), and linear low-density polyethylene (LLDPE), polypropylene, polybutene-1, poly-4-methylpentene-1 and the like. Α-olefin homopolymer, ethylene-ethyl acrylate copolymer (EE
A), ethylene-vinyl acetate copolymer (EVA), ethylene-acrylic acid copolymer (EAA), ethylene-propylene copolymer, ethylene-butene-1 copolymer, ethylene-
A homopolymer or a blend of a plurality of polymers such as a copolymer of ethylene and another monomer such as a propylene-diene copolymer is used.
また、この発明で使用される1,2−ポリブタジエン系
熱可塑性エラストマーとしては、1,2−結合が90％以上
で、分子量が10万〜数10万、結晶化度が15〜35％のシン
ジオクタチック構造を有する低結晶性の熱可塑性エラス
トマーが用いられ、伸びが300％以上のゴム的性質を有
するものが用いられる。このエラストマーの具体的なも
のとしては、「JSR RB805」、「JSR RB810」、「JSR RB
820」、「JSR RB830」、「JSR RB840」（商品名、日本
合成ゴム製）などがある。このエラストマーは上述のポ
リオレフィン系ポリマーと相溶性が良好であり、均一な
組成物を形成する。Further, the 1,2-polybutadiene-based thermoplastic elastomer used in the present invention includes a 1,2-polybutadiene-based thermoplastic elastomer having 90% or more of 1,2-bonds, a molecular weight of 100,000 to several hundred thousand, and a crystallinity of 15 to 35%. A low-crystalline thermoplastic elastomer having an octatic structure is used, and an elastomer having an elongation of 300% or more and rubber-like properties is used. Specific examples of this elastomer include “JSR RB805”, “JSR RB810”, “JSR RB
820 "," JSR RB830 ", and" JSR RB840 "(trade name, manufactured by Nippon Synthetic Rubber). This elastomer has good compatibility with the above-mentioned polyolefin-based polymer and forms a uniform composition.
この1,2−ポリブタジエン系熱可塑性エラストマーの
配合量はポリオレフィン系ポリマー100重量部に対して
0.1〜100重量部とされる。0.1重量部未満では難燃性の
改善が見られず、100重量部を越えるとベースのポリオ
レフィン系ポリマーの特性を損うことになる。The blending amount of the 1,2-polybutadiene-based thermoplastic elastomer is based on 100 parts by weight of the polyolefin-based polymer.
0.1 to 100 parts by weight. If the amount is less than 0.1 part by weight, no improvement in flame retardancy is observed, and if it exceeds 100 parts by weight, the properties of the base polyolefin-based polymer are impaired.
また、この発明で使用されるシリコーン樹脂として
は、ジメチルポリシロキサン、ジメチルジフェニルポリ
シロキサン、アミノ変性シリコーン、メルカプト変性シ
リコーン、エポキシ変性シリコーンなどの原則して−Si
−Ｏ−骨格を有し、側鎖および末端基にはハロゲンを含
まない官能基を有するものが挙げられる。官能基として
は、ビニル基、アミノプロピル基、グリシドキシプロピ
ル基などの反応性基、メチル基、エチル基、プロピル
基、フェニル基、アシル基、水素原子などがある。その
分子量は数百ないし数百万の範囲であり、その形態はオ
イル状、ワニス状、樹脂状などのいかなるものであって
もよい。As the silicone resin used in the present invention, dimethylpolysiloxane, dimethyldiphenylpolysiloxane, amino-modified silicone, mercapto-modified silicone, epoxy-modified silicone, etc.
Those having an -O- skeleton and having a functional group containing no halogen in a side chain and a terminal group are exemplified. Examples of the functional group include a reactive group such as a vinyl group, an aminopropyl group, and a glycidoxypropyl group, a methyl group, an ethyl group, a propyl group, a phenyl group, an acyl group, and a hydrogen atom. Its molecular weight is in the range of hundreds to millions, and its form may be any of oil, varnish, resin and the like.
このシリコーン樹脂の配合量は、ポリオレフィン系ポ
リマー100重量部に対して0.5〜30重量部の範囲とされ
る。0.5重量部未満では難燃性改善効果が得られず、30
重量部を超えると組成物の機械的特性が低下して不都合
となる。The amount of the silicone resin is in the range of 0.5 to 30 parts by weight based on 100 parts by weight of the polyolefin-based polymer. If the amount is less than 0.5 parts by weight, the effect of improving the flame retardancy cannot be obtained,
If the amount is more than 10 parts by weight, the mechanical properties of the composition deteriorate, which is inconvenient.
この発明の難燃性組成物では、上記1,2−ポリブタジ
エン系熱可塑性エラストマーとシリコーン樹脂との併用
により、相乗的な難燃性改善効果が得られる。In the flame-retardant composition of the present invention, a synergistic flame-retardant improvement effect can be obtained by using the above-mentioned 1,2-polybutadiene-based thermoplastic elastomer in combination with a silicone resin.
また、この発明の難燃性樹脂組成物では、さらに他の
難燃剤を添加することができる。このような難燃剤とし
ては、水酸化アルミニウム、水酸化マグネシウム、赤リ
ン、カーボンブラックなどが挙げられる。Further, in the flame retardant resin composition of the present invention, other flame retardants can be further added. Examples of such a flame retardant include aluminum hydroxide, magnesium hydroxide, red phosphorus, and carbon black.
さらに、この難燃性樹脂組成物には、必要に応じて無
機難燃剤、軟化剤、着色剤、老化防止剤、安定剤などを
適宜添加することができる。Further, an inorganic flame retardant, a softener, a coloring agent, an antioxidant, a stabilizer, and the like can be appropriately added to the flame retardant resin composition as needed.
このような難燃性樹脂組成物にあっては、1,2−ポリ
ブタジエン系熱可塑性エラストマーとシリコーン樹脂と
の併用により良好な難燃性が得られるとともに引張特性
などの機械的特性や耐寒性などの温度特性の低下がな
く、優れた物性を有するものとなる。In such a flame-retardant resin composition, good flame retardancy is obtained by using a 1,2-polybutadiene-based thermoplastic elastomer in combination with a silicone resin, and mechanical properties such as tensile properties and cold resistance. Has no deterioration in temperature characteristics and has excellent physical properties.
また、1,2−ポリブタジエン系熱可塑性エラストマー
はポリオレフィン系ポリマーとの相溶性が良好であるの
で、これが成形物表面に滲出することがない。In addition, since the 1,2-polybutadiene-based thermoplastic elastomer has good compatibility with the polyolefin-based polymer, it does not exude on the surface of the molded product.
以下、具体例を示して作用、効果を明細にする。 Hereinafter, the operation and effect will be described in detail by showing specific examples.
「実施例」 第１表に示す配合組成の樹脂組成物を調製し、押出成
形してシート状の試片を得た。Example A resin composition having the composition shown in Table 1 was prepared and extruded to obtain a sheet-like specimen.
この試片について、酸素指数、引張強度、伸び、脆化
温度（耐寒性）を測定した。The specimen was measured for oxygen index, tensile strength, elongation, and embrittlement temperature (cold resistance).
結果を第１表に併せて示した。 The results are shown in Table 1.
第１表から明らかなように、この発明の難燃性樹脂組
成物は、良好な難燃性と機械的特性および温度特性を有
していることがわかる。As is clear from Table 1, the flame-retardant resin composition of the present invention has good flame retardancy, mechanical properties and temperature properties.
「発明の効果」 以上説明したように、この発明の難燃性樹脂組成物は
ポリオレフィン系ポリマー100重量部に対して1,2−ポリ
ブタジエン系熱可塑性エラストマー0.1〜100重量部、シ
リコーン樹脂0.5〜30重量部を配合したものであるの
で、優れた難燃性を有するとともに機械的特性や耐寒性
が良好なものとなる。As described above, the flame-retardant resin composition of the present invention comprises 0.1 to 100 parts by weight of a 1,2-polybutadiene-based thermoplastic elastomer per 100 parts by weight of a polyolefin-based polymer, and 0.5 to 30 parts of a silicone resin. Since it is blended by weight, it has excellent flame retardancy and good mechanical properties and cold resistance.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｃ０８Ｌ 83:04） (56)参考文献 特開 昭51−82332（ＪＰ，Ａ) 特開 昭59−157134（ＪＰ，Ａ) 特開 平３−200852（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) C08L 23/00 - 23/36────────────────────────────────────────────────── (5) Continuation of the front page (51) Int.Cl. 6 identification code FI C08L 83:04) (56) References JP-A-51-83232 (JP, A) JP-A-59-157134 (JP, A) JP-A-3-200852 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) C08L 23/00-23/36
Claims (1)
し、1,2−ポリブタジエン系熱可塑性エラストマー0.1〜
100重量部、シリコーン樹脂0.5〜30重量部を配合したこ
とを特徴とする難燃性樹脂組成物。1. A 1,2-polybutadiene-based thermoplastic elastomer 0.1 to 100 parts by weight of a polyolefin-based polymer.
A flame-retardant resin composition comprising 100 parts by weight and 0.5 to 30 parts by weight of a silicone resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020029A JP2818240B2 (en) | 1990-01-30 | 1990-01-30 | Flame retardant resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020029A JP2818240B2 (en) | 1990-01-30 | 1990-01-30 | Flame retardant resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03223352A JPH03223352A (en) | 1991-10-02 |
| JP2818240B2 true JP2818240B2 (en) | 1998-10-30 |
Family
ID=12015647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020029A Expired - Lifetime JP2818240B2 (en) | 1990-01-30 | 1990-01-30 | Flame retardant resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2818240B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4436538B2 (en) * | 2000-06-12 | 2010-03-24 | 東レ・ダウコーニング株式会社 | Thermoplastic elastomer composition, process for producing the same and molded article |
| CN104311917A (en) * | 2014-10-30 | 2015-01-28 | 安徽电信器材贸易工业有限责任公司 | Impact-resistant anti-aging cable material and preparation method thereof |
-
1990
- 1990-01-30 JP JP2020029A patent/JP2818240B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03223352A (en) | 1991-10-02 |
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