JPH0615640B2 - Flame-retardant polyethylene resin composition - Google Patents
Flame-retardant polyethylene resin compositionInfo
- Publication number
- JPH0615640B2 JPH0615640B2 JP60093294A JP9329485A JPH0615640B2 JP H0615640 B2 JPH0615640 B2 JP H0615640B2 JP 60093294 A JP60093294 A JP 60093294A JP 9329485 A JP9329485 A JP 9329485A JP H0615640 B2 JPH0615640 B2 JP H0615640B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- polyethylene
- flame
- resin composition
- 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
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は電気絶縁用途を持ち、機械的特性および電気的
性質が改善された射出成形可能な非滴下性難燃性ポリエ
チレン組成物に関する。FIELD OF THE INVENTION This invention relates to injection moldable non-dripping flame retardant polyethylene compositions having electrical insulation applications and having improved mechanical and electrical properties.
従来技術 ポリエチレンは加工性、電気的性質等に優れた特性を持
つため電気絶縁用樹脂として広く用いられている。しか
しながら、ポリエチレンは可燃性であるから、これを難
燃化ししかもポリエチレン本来の優れた機械的および電
気的特性を損うことがないポリエチレン組成物の開発が
望まれていた。2. Description of the Related Art Polyethylene is widely used as a resin for electrical insulation because of its excellent workability and electrical properties. However, since polyethylene is flammable, it has been desired to develop a polyethylene composition which makes it flame-retardant and does not impair the original excellent mechanical and electrical properties of polyethylene.
ポリエチレンに塩素化ポリエチレン及び三酸化アンチモ
ンを混合して難燃性樹脂組成物を得る方法は公知である
が、この組成物では十分な難燃性を得ようとする成形性
が悪くなるばかりでなく、耐トラツキング性および機械
的特性も低下して電気絶縁用途として不適当であつた。A method for obtaining a flame-retardant resin composition by mixing polyethylene with chlorinated polyethylene and antimony trioxide is known, but this composition not only deteriorates moldability in order to obtain sufficient flame retardancy, but also However, the anti-tracking property and the mechanical properties were also deteriorated, and it was unsuitable for electrical insulation.
発明が解決しようとする問題点 本発明はＵＬ９４垂直試験においてＶ−Ｏレベルの高度
の難燃性を与えると共に、優れた加工性、機械特性およ
び電気的性質を持つポリエチレン樹脂組成物を提供しよ
うとするものである。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The present invention intends to provide a polyethylene resin composition having a high V-0 flame retardancy in a UL94 vertical test and having excellent processability, mechanical properties and electrical properties. To do.
問題点を解決するための手段 本発明はポリエチレンと塩素化ポリエチレンとを各々４
０〜６０重量部混合し、両者の混合物１００重量部に対
して三酸化アンチモン１０〜２５重量部、金属水酸化物
２０〜３５重量部および安定剤１〜６重量部を配合する
ことにより、上記の特性を満足するポリエチレン組成物
を得ることに成功した。Means for Solving the Problems The present invention uses polyethylene and chlorinated polyethylene each of 4
By mixing 0 to 60 parts by weight and blending 10 to 25 parts by weight of antimony trioxide, 20 to 35 parts by weight of metal hydroxide and 1 to 6 parts by weight of a stabilizer with respect to 100 parts by weight of the mixture of both. It has succeeded in obtaining a polyethylene composition satisfying the above characteristics.
本発明で使用されるポリエチレンはＭＩ５以上、引張り
強さ２００kg／cm2以上、伸び率６００％以上の特性を
持つ高密度および中密度ポリエチレンである。また、塩
素化ポリエチレンとしては塩素含有量が３０％以上、引
張り強さ１２０kg／cm2以上及び伸び率５００％以上の
ものが使用される。これらの特性を持つ材料は市販品か
ら適宜選択することができる。金属水酸化物としてはAl
(OH)3、Mg(OH)2、Zr(OH)4、Co(OH)2およびこれらの１ま
たは２以上の混合物を所定量使用できるが、Al(OH)3とM
g(OH)2との混合物を使用することが望ましい。本発明で
は更に安定剤を使用する。安定剤としては、鉛塩の１種
または２種以上の混合物を使用できる。例えばフタル酸
塩、亜リン酸鉛、ステアリン酸鉛等の１種または２種以
上の混合物を使用することが有効である。Polyethylenes used in the present invention MI5 more, tensile strength of 200 kg / cm 2 or more, a high density and medium density polyethylene having a stretch ratio of 600% or more properties. As the chlorinated polyethylene, one having a chlorine content of 30% or more, a tensile strength of 120 kg / cm 2 or more and an elongation of 500% or more is used. Materials having these characteristics can be appropriately selected from commercial products. Al as metal hydroxide
(OH) 3 , Mg (OH) 2 , Zr (OH) 4 , Co (OH) 2 and a mixture of one or more of these can be used in a predetermined amount, but Al (OH) 3 and M
It is desirable to use a mixture with g (OH) 2 . In the present invention, a stabilizer is further used. As the stabilizer, one kind of lead salt or a mixture of two or more kinds can be used. For example, it is effective to use one kind or a mixture of two or more kinds of phthalate, lead phosphite, lead stearate and the like.
本発明の組成物にはその他必要に応じて酸化防止剤、紫
外線吸収剤、塩素化パラフイン、滑剤、顔料等を適宜添
加できる。Other antioxidants, UV absorbers, chlorinated paraffins, lubricants, pigments and the like can be added to the composition of the present invention as needed.
本発明の組成物では塩素含有量が組成物総重量の１０〜
１５％、好ましくは１３〜１４％となるように各成分を
配合する。塩素含有量がこの範囲より低い場合は厚さ２
mmでのＵＬ耐炎性試験において非滴下性の難燃効果が期
待できず、また高すぎる場合には十分な耐トラツキング
性を得ることができない。本発明の組成物における塩素
含有量が塩素化ポリエチレンだけでは所期の値に達しな
い場合には適量の塩素化パラフインを配合することがで
きる。In the composition of the present invention, the chlorine content is 10 to 10% by weight of the total composition.
Each component is mixed so as to be 15%, preferably 13 to 14%. Thickness 2 if chlorine content is lower than this range
In the UL flame resistance test in mm, the non-dripping flame retardant effect cannot be expected, and when it is too high, sufficient tracking resistance cannot be obtained. When the chlorine content in the composition of the present invention does not reach the desired value with chlorinated polyethylene alone, an appropriate amount of chlorinated paraffin can be added.
金属水酸化物は樹脂組成物の難燃性を高めると共に、耐
トラツキング特性を付与するために必要である。但し、
金属水酸化物の配合量が高いと樹脂組成物の機械的特性
が低下する。The metal hydroxide is necessary for enhancing the flame retardancy of the resin composition and imparting tracking resistance. However,
If the content of the metal hydroxide is high, the mechanical properties of the resin composition will deteriorate.
また、安定剤は樹脂組成物の加熱加工時、特に成形時に
特に塩素含有成分の安定化に必要であるが、使用量が多
すぎると樹脂組成物の難燃性及び機械的強度の低下が著
しくなる。Further, the stabilizer is necessary for stabilizing the chlorine-containing component particularly during heat processing of the resin composition, particularly during molding, but if the amount used is too large, the flame retardancy and mechanical strength of the resin composition are significantly reduced. Become.
本発明は上記のようにポリエチレンに特定量の各成分を
配合することにより、ＵＬ９４垂直試験においてＶ−Ｏ
レベルの高度な難燃性を持つばかりでなく、引張り強さ
等の機械的特性および耐トラツキング特性のような電気
的特性についても十分に満足すべき値を持つ電気絶縁用
樹脂組成物を開発することに成功した。本発明の組成物
は特に、高圧架空電線路の引留クランプ類、コネクター
類、スリーブ類および絶縁電線の端末部等の絶縁を目的
として使用する高圧絶縁カバーもしくは建築支障用防護
管や、線状、碍子カバー状、シート状などの絶縁防護具
類など電気絶縁ポリエチレン樹脂組成物に要求される難
燃性、加工性、機械的特性、電気的特性を十分に満して
おり、この目的の製品に成形され、使用される。In the UL94 vertical test, the present invention mixes the polyethylene with the specified amount of each component as described above.
Develop a resin composition for electrical insulation that not only has a high level of flame retardance, but also has satisfactory mechanical properties such as tensile strength and electrical properties such as tracking resistance. Was successful. The composition of the present invention is, in particular, a high voltage insulating cover or a protective tube for building obstacles, which is used for the purpose of insulating terminals such as detention clamps of high-voltage overhead electric lines, connectors, sleeves and insulated wires, and a linear shape, Insulator cover-shaped, sheet-shaped insulation protection equipment and other electrically insulating polyethylene resin compositions are sufficiently flame-retardant, processable, mechanical, and electrical properties are required. Molded and used.
本発明の実施例および比較例を下記の表に示す。Examples and comparative examples of the present invention are shown in the table below.
尚、表中に示した各成分は下記の通りである。 The components shown in the table are as follows.
ポリエチレン：ＰＥハイゼツクス20100Ｊ（三井石油） 塩素化ポリエチレン：塩素化ＰＥエラスレン３０３Ｂ
（昭和電工） 塩素化パラフイン：塩素化パラフインエンパラ７０（味
の素） 酸化防止剤：酸化防止剤シーノツクス４０１Ｐ（シプロ
化成） 酸化防止剤シーノツクス４１２Ｓ（シプロ化成） 紫外線吸収剤：紫外線吸収剤シーソーブ１０２（シプロ
化成） 紫外線吸収剤シーソーブ７０３（シプロ化成） カーボン ：カーボン（三菱化成） 次に、本発明組成物と本発明組成物の必須成分である金
属水酸化物を含有しない組成物又はこれを多量に含む組
成物とを調製し、それらの各種の特性、特に耐トラッキ
ング性を比較した。尚、耐トラッキング性は「ＪＩＳ−
Ｃ３００５−１５」の試験方法により決定された。Polyethylene: PE Hijets 20100J (Mitsui Oil) Chlorinated polyethylene: Chlorinated PE Eraslen 303B
(Showa Denko) Chlorinated paraffin: Chlorinated paraffin enpara 70 (Ajinomoto) Antioxidant: Antioxidant Sino-Tux 401P (Cypro Kasei) Antioxidant Sino-Tux 412S (Cypro Kasei) UV absorber: UV absorber Seesorb 102 (Cypro Kasei) ) Ultraviolet absorber Seesorb 703 (Cypro Kasei) Carbon: Carbon (Mitsubishi Kasei) Next, the composition of the present invention and a composition containing no metal hydroxide which is an essential component of the present composition, or a composition containing a large amount thereof And their various properties, especially tracking resistance, were compared. The tracking resistance is "JIS-
C3005-15 "test method.
結果を表２に示した。The results are shown in Table 2.
表に示した結果から明らかなように、金属水酸化物を含
有しない組成物では耐トラッキング性が明らかに劣って
いた。 As is clear from the results shown in the table, the composition containing no metal hydroxide was clearly inferior in tracking resistance.
フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０８Ｌ 23/28 ＬＤＡ 7107−4Ｊ // Ｈ０１Ｂ 3/44 Ｆ 9059−5Ｇ (Ｃ０８Ｌ 23/04 23:28 91:08） (Ｃ０８Ｋ 13/02 3:22 3:32 5:09） Front page continuation (51) Int.Cl. 5 Identification code Office reference number FI technical display location C08L 23/28 LDA 7107-4J // H01B 3/44 F 9059-5G (C08L 23/04 23:28 91: 08) (C08K 13/02 3:22 3:32 5:09)
Claims (2)
４０〜６０重量部で合計１００重量部、三酸化アンチモ
ン１０〜２５重量部、金属水酸化物２０〜３５重量部お
よび鉛塩である安定剤１〜６重量部から成る難燃性ポリ
エチレン組成物。1. Stabilizer 1 which is a total of 100 parts by weight of polyethylene and 40 to 60 parts by weight of chlorinated polyethylene, 10 to 25 parts by weight of antimony trioxide, 20 to 35 parts by weight of metal hydroxide and a lead salt. A flame-retardant polyethylene composition consisting of 6 parts by weight.
４０〜６０重量部で合計１００重量部、三酸化アンチモ
ン１０〜２５重量部、金属水酸化物２０〜３５重量部、
鉛塩である安定剤１〜６重量部および塩素化パラフィン
５〜１５重量部から成る難燃性ポリエチレン組成物。2. A total of 100 parts by weight of polyethylene and 40 to 60 parts by weight of chlorinated polyethylene, 10 to 25 parts by weight of antimony trioxide, 20 to 35 parts by weight of metal hydroxide,
A flame-retardant polyethylene composition comprising 1 to 6 parts by weight of a stabilizer which is a lead salt and 5 to 15 parts by weight of chlorinated paraffin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60093294A JPH0615640B2 (en) | 1985-04-30 | 1985-04-30 | Flame-retardant polyethylene resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60093294A JPH0615640B2 (en) | 1985-04-30 | 1985-04-30 | Flame-retardant polyethylene resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61252255A JPS61252255A (en) | 1986-11-10 |
| JPH0615640B2 true JPH0615640B2 (en) | 1994-03-02 |
Family
ID=14078355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60093294A Expired - Fee Related JPH0615640B2 (en) | 1985-04-30 | 1985-04-30 | Flame-retardant polyethylene resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0615640B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5886275B2 (en) * | 2010-05-21 | 2016-03-16 | ダウ グローバル テクノロジーズ エルエルシー | Thermoplastic composition and articles formed thereby |
| JP5548600B2 (en) * | 2010-12-10 | 2014-07-16 | 矢崎総業株式会社 | Chlorinated polyethylene resin composition |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58191730A (en) * | 1982-05-04 | 1983-11-09 | Showa Denko Kk | Flame-retardant composition |
-
1985
- 1985-04-30 JP JP60093294A patent/JPH0615640B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61252255A (en) | 1986-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |