JPS627937B2 - - Google Patents
Info
- Publication number
- JPS627937B2 JPS627937B2 JP16075177A JP16075177A JPS627937B2 JP S627937 B2 JPS627937 B2 JP S627937B2 JP 16075177 A JP16075177 A JP 16075177A JP 16075177 A JP16075177 A JP 16075177A JP S627937 B2 JPS627937 B2 JP S627937B2
- Authority
- JP
- Japan
- Prior art keywords
- parts
- density polyethylene
- weight
- low
- polyethylene
- 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
Links
- 229920001903 high density polyethylene Polymers 0.000 claims description 8
- 239000004700 high-density polyethylene Substances 0.000 claims description 8
- 229920001684 low density polyethylene Polymers 0.000 claims description 8
- 239000004702 low-density polyethylene Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 4
- -1 Polyethylene Polymers 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000282320 Panthera leo Species 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001083 polybutene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- MHIIENSHBMGNJE-UHFFFAOYSA-N 3-tert-butyl-4-(2-tert-butyl-4-hydroxy-6-methylphenyl)sulfanyl-5-methylphenol Chemical compound CC1=CC(O)=CC(C(C)(C)C)=C1SC1=C(C)C=C(O)C=C1C(C)(C)C MHIIENSHBMGNJE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 150000008378 aryl ethers Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Description
【発明の詳細な説明】
本発明は、高温でのインパルス特性に優れ、か
つ可撓性の優れた電気絶縁組成物を提案するもの
である。DETAILED DESCRIPTION OF THE INVENTION The present invention proposes an electrical insulating composition that has excellent impulse characteristics at high temperatures and excellent flexibility.
電気機器、たとえば電力ケーブルの固体絶縁体
には常温では勿論、機器の運転温度での高温にお
いて優れたインパルス強度を有し、しかも可撓性
の優れたものが要求される。ポリエチレンは単独
では上記の要求を満さないが、本発明者らの研究
によれば特許請求の範囲に記載の組成物は該要求
に応え得るものである。 Solid insulators for electrical equipment, such as power cables, are required to have excellent impulse strength not only at room temperature but also at the operating temperature of the equipment, and to have excellent flexibility. Polyethylene alone does not meet the above requirements, but according to research by the present inventors, the composition described in the claims can meet the requirements.
高密度ポリエチレンの量は低密度ポリエチレン
100部（重量部、以下同じ）あたり７〜150部とす
ると一層好ましい。 The amount of high density polyethylene is low density polyethylene
More preferably, the amount is 7 to 150 parts per 100 parts (by weight, the same applies hereinafter).
液体炭化水素としては、たとえば、一般式
で示されるα−オレフインオリゴマー、たとえば
ライオン油脂社のリポルーブ類や、一般式
〔−CH2−Ｃ（CH3）2〕−o
で示される低分子量ポリブテン、たとえば日油化
学社の水添又は未水添のポリビス、水添のニユー
グライド等である。 As a liquid hydrocarbon, for example, the general formula α-olefin oligomers represented by the formula, such as Lipolube manufactured by Lion Oil Co., Ltd., and low molecular weight polybutenes represented by the general formula [-CH2 - C( CH3 ) 2 ] -o , such as hydrogenated or non-hydrogenated polybutenes manufactured by NOF Chemical Co., Ltd. Hydrogenated polybis, hydrogenated New Glide, etc.
又、１・２−及び１・４−ポリブタジエン、液
状ポリペンタジエン、各種アルキルベンゼン、ア
ルキルナフタレン、芳香族エーテル等である。誘
電特性に実質影響しない限り、該液状炭化水素と
して酸素、窒素、ハロゲン、その他の異種元素を
少量含むものも使用し得る。液体炭化水素の好ま
しい使用量は、低、高密度ポリエチレン合計量
100部あたり５〜80部である。 Also, 1,2- and 1,4-polybutadiene, liquid polypentadiene, various alkylbenzenes, alkylnaphthalenes, aromatic ethers, etc. Liquid hydrocarbons containing small amounts of oxygen, nitrogen, halogen, and other foreign elements may also be used as long as they do not substantially affect the dielectric properties. The preferred amount of liquid hydrocarbon used is the total amount of low and high density polyethylene.
5 to 80 copies per 100 copies.
本発明組成物はポリエチレンについての通常の
架橋法と同様の技術を用いパーオキサイド等の架
橋剤により架橋し得る。又、通常の混合機たとえ
ば、バンバリーミキサー等を用い、必要に応じて
酸化防止剤、電圧安定剤等をも併用し混合により
製造し得る。 The compositions of the present invention may be crosslinked with crosslinking agents such as peroxides using techniques similar to conventional crosslinking methods for polyethylene. It can also be produced by mixing using a conventional mixer, such as a Banbury mixer, with the addition of an antioxidant, voltage stabilizer, etc., if necessary.
実施例 １
密度0.918ｇ／cm3、MI0.98の低密度ポリエチレ
ン100部、密度0.945ｇ／cm3、MI0.45の高密度ポリ
エチレン20部及びライオン油脂社のリポルーブ
200（平均分子量835）12部を充分に混合し、次い
でジクミルパーオキサイド2.6部と４・4′−チオ
ビス（３−メチル−５−ｔ−ブチルフエノール）
0.66部とを混合した。得られた組成物を60mm2の銅
導体上に約120℃で押出し、厚さ４mmの絶縁層に
成形し、次いで200℃、５分間加熱架橋した。
ASTM D638に準拠して測定した架橋絶縁層の引
張弾性モジユラスは3000Kg／cm2であつて可撓性に
優れ、かつケーブルの90℃におけるインパルスは
140KV／mmと従来の架橋ポリエチレンケーブルの
それより約40％高い値を示した。Example 1 100 parts of low-density polyethylene with a density of 0.918 g/cm 3 and MI 0.98, 20 parts of high-density polyethylene with a density of 0.945 g/cm 3 and MI 0.45, and Lipolube from Lion Oil Co., Ltd.
200 (average molecular weight 835) and then 2.6 parts of dicumyl peroxide and 4,4'-thiobis(3-methyl-5-t-butylphenol).
0.66 parts. The resulting composition was extruded onto a 60 mm 2 copper conductor at about 120°C to form an insulating layer with a thickness of 4 mm, and then heat-crosslinked at 200°C for 5 minutes.
The tensile modulus of the cross-linked insulation layer measured in accordance with ASTM D638 is 3000Kg/cm 2 and has excellent flexibility, and the impulse at 90℃ of the cable is
It showed a value of 140KV/mm, about 40% higher than that of conventional cross-linked polyethylene cable.
実施例 ２
実施例１と同じ低、高密度ポリエチレンを用
い、たゞし低密度ポリエチレン100部に対し高密
度ポリエチレン100部と、日油化学社のニユーグ
ライドＵ（分子量500）100部、DCP6部、上記酸
化防止剤1.5部を用いた点が異る実施例１と同様
のケーブル製造を行つた。絶縁層の引張弾性モジ
ユラスは2500Kg／cm2であり、ケーブルの90℃イン
パルスは145KV／mmであつた。Example 2 Using the same low-density and high-density polyethylene as in Example 1, 100 parts of low-density polyethylene, 100 parts of high-density polyethylene, 100 parts of New Glide U (molecular weight 500) from NOF Chemical Co., Ltd., and 6 parts of DCP were added. A cable was manufactured in the same manner as in Example 1, except that 1.5 parts of the above antioxidant was used. The tensile modulus of the insulation layer was 2500 Kg/cm 2 and the 90°C impulse of the cable was 145 KV/mm.
Claims (1)
密度0.94ｇ／cm3以上の高密度ポリエチレンと分子
量200〜1500の液体炭化水素とからなり、上記低
密度ポリエチレン100重量部あたり、上記高密度
ポリエチレンは５〜200重量部であり、低密度ポ
リエチレンと高密度ポリエチレンの合計量100重
量部あたり液体炭化水素２〜100重量部である電
気絶縁組成物。1 Consisting of low density polyethylene with a density of 0.93 g/ cm3 or less, high density polyethylene with a density of 0.94 g/cm3 or more, and a liquid hydrocarbon with a molecular weight of 200 to 1500, per 100 parts by weight of the above low density polyethylene, the above high density polyethylene is 5 to 200 parts by weight, and the liquid hydrocarbon is 2 to 100 parts by weight per 100 parts by weight of the total amount of low density polyethylene and high density polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16075177A JPS5493037A (en) | 1977-12-29 | 1977-12-29 | Electrical insulating composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16075177A JPS5493037A (en) | 1977-12-29 | 1977-12-29 | Electrical insulating composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5493037A JPS5493037A (en) | 1979-07-23 |
| JPS627937B2 true JPS627937B2 (en) | 1987-02-19 |
Family
ID=15721665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16075177A Granted JPS5493037A (en) | 1977-12-29 | 1977-12-29 | Electrical insulating composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5493037A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7271209B2 (en) | 2002-08-12 | 2007-09-18 | Exxonmobil Chemical Patents Inc. | Fibers and nonwovens from plasticized polyolefin compositions |
| 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 |
-
1977
- 1977-12-29 JP JP16075177A patent/JPS5493037A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5493037A (en) | 1979-07-23 |
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