JP5187214B2 - 発泡樹脂組成物及びこれを用いた電線・ケーブル - Google Patents
発泡樹脂組成物及びこれを用いた電線・ケーブル Download PDFInfo
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- JP5187214B2 JP5187214B2 JP2009028633A JP2009028633A JP5187214B2 JP 5187214 B2 JP5187214 B2 JP 5187214B2 JP 2009028633 A JP2009028633 A JP 2009028633A JP 2009028633 A JP2009028633 A JP 2009028633A JP 5187214 B2 JP5187214 B2 JP 5187214B2
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/448—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from other vinyl compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2207/00—Foams characterised by their intended use
- C08J2207/06—Electrical wire insulation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2465/00—Characterised by the use of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
- C08L23/0823—Copolymers of ethene with aliphatic cyclic olefins
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
高密度ポリエチレン(HDPE) 60〜95mass%
低密度ポリエチレン(LDPE) 5〜40mass%
ノルボルネン系樹脂 0.001〜1mass%
からなるものである。
混練時は、回転数:60rpm、フイード量:50kg/h、押出温度:180〜22
0℃、とする。
実施例1は、ノルボルネン樹脂を直接発泡押出機に投入した結果である。
実施例2は、先ずノルボルネン系樹脂とLDPEを2軸混練機にて混練しマスターバッチ(MB)を作製した実施例である。
実施例3は、実施例2と同様に2軸混練機にてMBを作製したが、ノルボルネン樹脂はガラス転移温度の高い(178℃)のグレードを使用し、比較した実施例である。
a.核剤の類を一切入れない場合、
b.核剤樹脂を樹脂全体の2mass%添加する、
c.無機粒子の核剤(溶融シリカ)を、MB方式で発泡押出機に投入する
の比較例1〜3を作製した。
比較例1は、実施例と同じ材料系であるが、核剤の類を入れず、PEのみの配合を用いた。
比較例2は、実施例1と同じ材料系であるがHDPE(日本ユニカー:6944)60重量部、LDPE(宇部丸善:B028)38重量部に対し、ノルボルネン系樹脂(日本ゼオン:ZEONEX480R)2重量部の割合で、各々のペレットを配合して発泡押出機に投入し、発泡絶縁電線の試作を行った。
比較例3は、無機粒子(溶融シリカ)の核剤を使用した例として作製した。ただし、無機粒子の粉体を直接押出機に投入する方法は、粒子が凝集しやすいことが知られているため、実施例2同様に事前にMBとして高濃度配合ペレットを作製した。
本発明は、高発泡かつ低スキューの発泡絶縁電線の製造を目的としているため、この目的に応じて、気泡径、発泡度安定性、加熱変形の各項目について評価を行った。判定は、すべての評価を満足するものを“○”とし、いずれかひとつでも特性を満足しないものを“×”とした。
試作電線から、充分に間隔(1000m以上)を空けて採取した5試料断面をSEM(日立ハイテクノロジーズ社:SN−3000)にて撮影し、撮影された気泡の平均円相当径を算出。5枚の平均値と変動を評価する。気泡径100μm以下を合格とした。
電線試作時の発泡度データから、全て同一長さ(1万m)部分の発泡度の変動値を比較した。平均発泡度が60%になるように製造していることから、変動値のみを表示した。変動量±1.0%以下を合格とした。
試作電線の機械的強度を比較するため、長さ7cmに切断した試作電線試料10本を横に並べ、試料に直交する形でプローブ(直径5mmのSUS製半円柱)を設置し、70℃、10Nの荷重環境下で30分静置し、初期値に対する変形率を算出した。この変形率は、試作電線の静電容量と外径とを測定しておき、導体径、電線外径、静電容量、ベース樹脂の比誘電率(ε2.3)より、各瞬間の発泡度を算出し、算出した発泡度の最大値と最低値が、平均値に対してどの程度変化しているかで求め、変形率15%以下を合格とした。
11 気泡
12 発泡絶縁体
Claims (4)
- ポリオレフィン系樹脂と、ノルボルネンの開環重合体またはノルボルネンとエチレンとの共重合体の単独、またはこれらの混合体とからなる発泡樹脂組成物であって、上記ノルボルネンの開環重合体または上記ノルボルネンとエチレンとの共重合体の単独または混合体を発泡核剤として用いることを特徴とする発泡樹脂組成物。
- 前記ポリオレフィン系樹脂が、ポリエチレン、またはポリプロピレンの単独または混合体であることを特徴とする請求項1記載の発泡樹脂組成物。
- 発泡樹脂組成物100mass%に対して、前記ノルボルネンの開環重合体またはエチレンとの共重合体の単独または混合体を0.001〜1mass%含むことを特徴とする請求項1又は2に記載の発泡樹脂組成物。
- 請求項1〜3いずれかに記載の発泡樹脂組成物を金属導体の外周に発泡絶縁体として設けることを特徴とする発泡絶縁電線。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009028633A JP5187214B2 (ja) | 2009-02-10 | 2009-02-10 | 発泡樹脂組成物及びこれを用いた電線・ケーブル |
CN2010101129365A CN101798413B (zh) | 2009-02-10 | 2010-02-03 | 发泡树脂组合物以及使用该发泡树脂组合物的电线、电缆 |
US12/702,620 US20100200268A1 (en) | 2009-02-10 | 2010-02-09 | Foamed resin composition and wire/cable using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009028633A JP5187214B2 (ja) | 2009-02-10 | 2009-02-10 | 発泡樹脂組成物及びこれを用いた電線・ケーブル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010184969A JP2010184969A (ja) | 2010-08-26 |
JP5187214B2 true JP5187214B2 (ja) | 2013-04-24 |
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Application Number | Title | Priority Date | Filing Date |
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JP2009028633A Expired - Fee Related JP5187214B2 (ja) | 2009-02-10 | 2009-02-10 | 発泡樹脂組成物及びこれを用いた電線・ケーブル |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100200268A1 (ja) |
JP (1) | JP5187214B2 (ja) |
CN (1) | CN101798413B (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102254601B (zh) * | 2011-05-11 | 2013-07-24 | 中国西电集团公司 | 一种抗压型皮泡皮绝缘单线及其制备方法 |
WO2013133334A1 (ja) * | 2012-03-07 | 2013-09-12 | 古河電気工業株式会社 | 絶縁ワイヤ、電気機器及び絶縁ワイヤの製造方法 |
US9195914B2 (en) | 2012-09-05 | 2015-11-24 | Google Inc. | Construction zone sign detection |
JP5920278B2 (ja) * | 2013-04-15 | 2016-05-18 | 日立金属株式会社 | 差動信号伝送用ケーブル及び多対差動信号伝送用ケーブル |
JP5880525B2 (ja) * | 2013-11-26 | 2016-03-09 | 株式会社オートネットワーク技術研究所 | フラットケーブル及びその製造方法 |
CN103865173A (zh) * | 2014-03-13 | 2014-06-18 | 苏州科茂电子材料科技有限公司 | 一种射频同轴电缆的绝缘体 |
WO2015179730A1 (en) * | 2014-05-22 | 2015-11-26 | Tk Holdings Inc. | Systems and methods for shielding a hand sensor system in a steering wheel |
WO2015187647A1 (en) | 2014-06-02 | 2015-12-10 | Tk Holdings Inc. | Systems and methods for printing sensor circuits on a sensor mat for a steering wheel |
JPWO2016017528A1 (ja) * | 2014-07-28 | 2017-04-27 | 日本ゼオン株式会社 | 樹脂成形体 |
CN104277308A (zh) * | 2014-10-30 | 2015-01-14 | 安徽电信器材贸易工业有限责任公司 | 一种海底用通信光缆护套料及其制备方法 |
CN105037952B (zh) * | 2015-06-29 | 2016-08-24 | 广州敬信高聚物科技有限公司 | 一种聚丙烯泡沫组合物及其制备方法和应用 |
US10336361B2 (en) | 2016-04-04 | 2019-07-02 | Joyson Safety Systems Acquisition Llc | Vehicle accessory control circuit |
CN113363024B (zh) * | 2021-06-02 | 2021-11-16 | 广州市广惠通线缆有限公司 | 一种线缆发泡层充氮控制方法及系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3639674A (en) * | 1970-06-25 | 1972-02-01 | Belden Corp | Shielded cable |
DE3922546A1 (de) * | 1989-07-08 | 1991-01-17 | Hoechst Ag | Verfahren zur herstellung von cycloolefinpolymeren |
JPH06157800A (ja) * | 1992-11-20 | 1994-06-07 | Furukawa Electric Co Ltd:The | ポリエチレン発泡体の製造方法 |
DE19619813A1 (de) * | 1995-10-30 | 1997-11-20 | Hoechst Ag | Polymere Schäume |
US6111019A (en) * | 1997-03-31 | 2000-08-29 | Exxon Chemical Patents, Inc. | LLDPE blends with an ethylene-norbornene copolymer for resins of improved toughness and processibility for film production |
DE69820894T2 (de) * | 1997-10-23 | 2004-12-30 | Zeon Corp. | Thermoplastisches Ringöffnungspolymer auf der Basis von Dicyclopentadien, hydrierte Derivate davon und Verfahren zur Herstellung von beiden |
US6113822A (en) * | 1998-12-23 | 2000-09-05 | General Electric Company | Polyolefins as nucleating agent for foamed engineering polymers |
US6255396B1 (en) * | 1999-09-09 | 2001-07-03 | Baxter International Inc. | Cycloolefin blends and method for solvent bonding polyolefins |
US6455602B1 (en) * | 2000-10-24 | 2002-09-24 | Union Carbide Chemicals & Plastics Technology Corporation | High-speed processable cellular insulation material with enhanced foamability |
DE10137924B4 (de) * | 2001-08-07 | 2005-12-01 | Ticona Gmbh | Langfaserverstärkte Polyolefin-Kunststoff Struktur, Verfahren zu seiner Herstellung und daraus hergestellte Formkörper |
JP4875613B2 (ja) * | 2004-05-26 | 2012-02-15 | ダウ グローバル テクノロジーズ エルエルシー | 発泡絶縁体を有する同軸ケーブル |
WO2008018951A1 (en) * | 2006-08-04 | 2008-02-14 | Exxonmobil Chemical Patents Inc. | Polymer compositions comprising cyclic olefin polymers, polyolefin modifiers, and fillers |
-
2009
- 2009-02-10 JP JP2009028633A patent/JP5187214B2/ja not_active Expired - Fee Related
-
2010
- 2010-02-03 CN CN2010101129365A patent/CN101798413B/zh not_active Expired - Fee Related
- 2010-02-09 US US12/702,620 patent/US20100200268A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20100200268A1 (en) | 2010-08-12 |
CN101798413A (zh) | 2010-08-11 |
CN101798413B (zh) | 2013-05-22 |
JP2010184969A (ja) | 2010-08-26 |
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