JP2004510299A5 - - Google Patents

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JP2004510299A5
JP2004510299A5 JP2002531425A JP2002531425A JP2004510299A5 JP 2004510299 A5 JP2004510299 A5 JP 2004510299A5 JP 2002531425 A JP2002531425 A JP 2002531425A JP 2002531425 A JP2002531425 A JP 2002531425A JP 2004510299 A5 JP2004510299 A5 JP 2004510299A5
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propylene
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boiling
soluble
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Priority claimed from PCT/EP2001/009700 external-priority patent/WO2002027731A1/en
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【請求項1】
少なくとも1つの導電体(2)及び誘電性液体を混合された熱可塑性ポリマー物質に基づく少なくとも1つの押出被覆層(3、4、5)を含むケーブル(1)であって、ここで、
前記熱可塑性物質は、プロピレンホモポリマーを含むか又は、エチレンと、プロピレンを除くα−オレフィンと、から選択された少なくとも1種のオレフィンコモノマーとプロピレンとのコポリマーを含み、前記ホモポリマー又はコポリマーは140℃以上の融点及び30〜100J/gの融解エンタルピーを有し、
前記誘電性液体は、置換されないか、又は少なくとも1種の線状又は枝分れした、脂肪族、芳香族、又は混合した脂肪族及び芳香族のC1〜C30炭化水素基で置換された、少なくとも1種のジフェニルエーテルを含む。
(1)
A cable (1) comprising at least one conductor (2) and at least one extruded coating layer (3,4,5) based on a thermoplastic polymer material mixed with a dielectric liquid, wherein:
The thermoplastic comprises a propylene homopolymer or comprises a copolymer of propylene with at least one olefin comonomer selected from ethylene and α-olefins other than propylene, wherein the homopolymer or copolymer is 140 A melting point of at least 30 ° C and a melting enthalpy of 30-100 J / g,
It said dielectric liquid is either not substituted, or to split at least one linear or branched, and aliphatic, substituted aromatic, or mixed aliphatic and aromatic C 1 -C 30 hydrocarbon group , At least one diphenyl ether.

【請求項14】
a)に基づく前記プロピレンホモポリマー又はコポリマーは、
140〜165℃の融点、
30〜80J/gの融解エンタルピー、
4J/g以下の融解エンタルピーを有し、12重量%以下の量で沸騰ジエチルエーテルに溶解できるフラクション、
10〜40J/gの融解エンタルピーを有し、15〜60重量%の量で沸騰n−ヘプタンに溶解できるフラクション、及び
45J/g以上の融解エンタルピーを有し、40〜85重量%の量で沸騰n−ヘプタンに溶解しないフラクション、
を有する、請求項12又は13記載のケーブル。
14.
Said propylene homopolymer or copolymer according to a)
140-165 ° C melting point,
Enthalpy of fusion of 30-80 J / g,
A fraction having a melting enthalpy of 4 J / g or less and being soluble in boiling diethyl ether in an amount of 12% by weight or less,
A fraction having a melting enthalpy of 10 to 40 J / g and soluble in boiling n-heptane in an amount of 15 to 60% by weight, and a boiling point of 40 to 85% by weight having a melting enthalpy of 45 J / g or more a fraction insoluble in n-heptane,
14. The cable according to claim 12, comprising:

【請求項15】
a)に基づく前記プロピレンホモポリマー又はコポリマーは、
2J/g以下の融解エンタルピーを有し、1〜10重量%の量で沸騰ジエチルエーテルに溶解できるフラクション、
15〜30J/gの融解エンタルピーを有し、20〜50重量%の量で沸騰n−ヘプタンに溶解できるフラクション、及び
50〜95J/gの融解エンタルピーを有し、50〜80重量%の量で沸騰n−ヘプタンに溶解しないフラクション、
を有する、請求項12〜14いずれかに記載のケーブル。
15.
Said propylene homopolymer or copolymer according to a)
A fraction having a melting enthalpy of 2 J / g or less and being soluble in boiling diethyl ether in an amount of 1 to 10% by weight;
A fraction having a melting enthalpy of 15-30 J / g and being soluble in boiling n-heptane in an amount of 20-50% by weight, and a melting enthalpy of 50-95 J / g in an amount of 50-80% by weight A fraction not soluble in boiling n-heptane,
The cable according to any one of claims 12 to 14, comprising:

【請求項29】
前記誘電性液体は下記の構造式を有する少なくとも1種のジフェニルエーテルを含み、
【化1】

Figure 2004510299
ここで、R1及びR2は同一又は異なり、そして、水素、置換されないか又は少なくとも1個のアルキル基により置換されたフェニル基、又は、置換されないか又は少なくとも1個のフェニルにより置換されたアルキル基を示す、請求項1〜28いずれかに記載のケーブル。 29.
The dielectric liquid includes at least one diphenyl ether having the following structural formula,
Embedded image
Figure 2004510299
Wherein R 1 and R 2 are the same or different and are hydrogen, phenyl unsubstituted or substituted by at least one alkyl group, or alkyl unsubstituted or substituted by at least one phenyl; 29. A cable according to any of the preceding claims, wherein the cable indicates a base.

誘電性液体とベースポリマーとの間の相溶性が高いため、誘電性液体は前記ポリマー母体中に均一に分散され、従ってポリマーの低温動作が改善される。
従って、第1の態様によれば、本発明は、少なくとも1つの導電体(2)及び誘電性液体を混合された熱可塑性ポリマー物質に基づく少なくとも1つの押出被覆層(3、4、5)を含むケーブル(1)であって、ここで、
前記熱可塑性物質は、プロピレンホモポリマーを含むか又は、エチレンと、プロピレンを除くα−オレフィンと、から選択された少なくとも1種のオレフィンコモノマーとプロピレンとのコポリマーを含み、前記ホモポリマー又はコポリマーは140℃以上の融点及び30〜100J/gの融解エンタルピーを有し、
前記誘電性液体は、置換されないか、又は少なくとも1種の線状又は枝分れした、脂肪族、芳香族、又は混合した脂肪族及び芳香族のC1〜C30炭化水素基、好ましくはC1〜C24炭化水素基で置換された、少なくとも1種のジフェニルエーテルを含む。
Due to the high compatibility between the dielectric liquid and the base polymer, the dielectric liquid is uniformly dispersed in the polymer matrix, thus improving the low temperature operation of the polymer.
Thus, according to a first aspect, the invention provides at least one extruded coating layer (3, 4, 5) based on a thermoplastic polymer material mixed with at least one electrical conductor (2) and a dielectric liquid. Cable (1) including:
The thermoplastic comprises a propylene homopolymer or comprises a copolymer of propylene with at least one olefin comonomer selected from ethylene and α-olefins other than propylene, wherein the homopolymer or copolymer is 140 A melting point of at least 30 ° C and a melting enthalpy of 30-100 J / g,
Said dielectric liquid is either not substituted, or to split at least one linear or branched, and aliphatic, aromatic, or mixed aliphatic and aromatic C 1 -C 30 hydrocarbon group, preferably a C It substituted with 1 -C 24 hydrocarbon radical, containing at least one ether.

前記クラスa)の中の特に好ましいものは、プロピレンホモポリマーであるか又は、エチレン及び、プロピレンを除くα−オレフィン、から選択された少なくとも1種のオレフィンコモノマーとプロピレンとのコポリマーであり、前記プロピレンホモポリマー又はコポリマーは、
140〜165℃の融点、
30〜80J/gの融解エンタルピー、
4J/g以下の、好ましくは2J/g以下の融解エンタルピーを有し、12重量%以下の、好ましくは1〜10重量%の量で沸騰ジエチルエーテルに溶解できるフラクション、
10〜40J/g、好ましくは15〜30J/gの融解エンタルピーを有し、15〜60重量%、好ましくは20〜50重量%の量で沸騰n−ヘプタンに溶解できるフラクション、及び
45J/g以上の、好ましくは50〜95J/gの融解エンタルピーを有し、40〜85重量%、好ましくは50〜80重量%の量で沸騰n−ヘプタンに溶解しないフラクション、
を有する。
Particularly preferred in said class a) are propylene homopolymers or copolymers of propylene with at least one olefin comonomer selected from ethylene and α-olefins other than propylene; A homopolymer or copolymer is
140-165 ° C melting point,
Enthalpy of fusion of 30-80 J / g,
A fraction having a melting enthalpy of 4 J / g or less, preferably 2 J / g or less and being soluble in boiling diethyl ether in an amount of 12% by weight or less, preferably 1 to 10% by weight;
A fraction having a melting enthalpy of 10 to 40 J / g, preferably 15 to 30 J / g and being soluble in boiling n-heptane in an amount of 15 to 60% by weight, preferably 20 to 50% by weight; and 45 J / g or more A fraction having a melting enthalpy of preferably 50 to 95 J / g and not soluble in boiling n-heptane in an amount of 40 to 85% by weight, preferably 50 to 80% by weight,
Having.

Figure 2004510299
ここで、R1及びR2は同一又は異なり、そして、水素、置換されないか又は少なくとも1個のアルキル基により置換されたフェニル基、又は、置換されないか又は少なくとも1個のフェニルにより置換されたアルキル基である。
Figure 2004510299
Wherein R 1 and R 2 are the same or different and are hydrogen, phenyl unsubstituted or substituted by at least one alkyl group, or alkyl unsubstituted or substituted by at least one phenyl; Group.

本発明のケーブルの被覆層を形成する場合、酸化防止剤、加工補助剤、水トリー抑制剤(water tree retardants)等のような、他の慣用の成分を前述のポリマー組成物に添加できる。   In forming the coating of the cable of the present invention, other conventional components such as antioxidants, processing aids, water tree retardants, and the like can be added to the polymer composition described above.

JP2002531425A 2000-09-28 2001-08-22 Cable with recyclable coating Expired - Fee Related JP4875282B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP00121110 2000-09-28
EP00121110.1 2000-09-28
US23673500P 2000-10-02 2000-10-02
US60/236,735 2000-10-02
PCT/EP2001/009700 WO2002027731A1 (en) 2000-09-28 2001-08-22 Cable with recyclable covering

Publications (3)

Publication Number Publication Date
JP2004510299A JP2004510299A (en) 2004-04-02
JP2004510299A5 true JP2004510299A5 (en) 2008-10-23
JP4875282B2 JP4875282B2 (en) 2012-02-15

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Country Status (14)

Country Link
EP (1) EP1323171B1 (en)
JP (1) JP4875282B2 (en)
KR (1) KR100777011B1 (en)
CN (1) CN1229821C (en)
AR (1) AR037079A1 (en)
AT (1) ATE285112T1 (en)
AU (2) AU2001284030B2 (en)
BR (1) BR0114264B1 (en)
CA (1) CA2425382C (en)
DE (1) DE60107864T2 (en)
ES (1) ES2234874T3 (en)
HU (1) HU229633B1 (en)
NZ (1) NZ525495A (en)
WO (1) WO2002027731A1 (en)

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EP3234013B1 (en) 2014-12-17 2018-11-28 Prysmian S.p.A. Energy cable having a cold-strippable semiconductive layer
AU2015410274B2 (en) 2015-09-25 2022-02-03 Politecnico Di Milano Power cable of aluminium coated with a tetrazole compound corrosion inhibitor
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