JPS57162737A - Electrically insulating composition having water tree resistance - Google Patents

Electrically insulating composition having water tree resistance

Info

Publication number
JPS57162737A
JPS57162737A JP4772181A JP4772181A JPS57162737A JP S57162737 A JPS57162737 A JP S57162737A JP 4772181 A JP4772181 A JP 4772181A JP 4772181 A JP4772181 A JP 4772181A JP S57162737 A JPS57162737 A JP S57162737A
Authority
JP
Japan
Prior art keywords
olefin
ethylene
polyene
inorganic
crosslinking
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.)
Granted
Application number
JP4772181A
Other languages
Japanese (ja)
Other versions
JPH0114931B2 (en
Inventor
Setsu Hanai
Shuji Kon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SWCC Corp
Original Assignee
Showa Electric Wire and Cable Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Showa Electric Wire and Cable Co filed Critical Showa Electric Wire and Cable Co
Priority to JP4772181A priority Critical patent/JPS57162737A/en
Publication of JPS57162737A publication Critical patent/JPS57162737A/en
Publication of JPH0114931B2 publication Critical patent/JPH0114931B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

PURPOSE: A composition having improved water tree resistance, good flexibility, and small deformation at high temperature, obtained by adding an inorganic filler and an inorganic stabilizer to a specific ethylene-α-olefin-polyene terpolymer rubber, crosslinking it with an organic peroxide.
CONSTITUTION: Ethylene is polymerized with 4W10C α-olefin and polyene in such a way that a polymerization molar ratio of ethylene/α-olefin is (80/20)W (95/5) and the amount of the polyene component is 4W30 calculated as an iodine value, to give ethylene-α-olefin rubber, which is blended with 5W60PHR inorganic filler selected from calcined clay, magnesium carbonate, and barium sulfate and 2W30PHR inorganic stabilizer, and crosslinked with an organic peroxide. Zinc oxide, lead oxide, etc. may be used as the inorganic stabilizer, and a crosslinking auxiliary such as sulfur, etc. may be preferably used together with the crosslinking agent. An antioxidant such as 2-mercaptoimidazole, etc. is effectively used with them.
COPYRIGHT: (C)1982,JPO&Japio
JP4772181A 1981-03-31 1981-03-31 Electrically insulating composition having water tree resistance Granted JPS57162737A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4772181A JPS57162737A (en) 1981-03-31 1981-03-31 Electrically insulating composition having water tree resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4772181A JPS57162737A (en) 1981-03-31 1981-03-31 Electrically insulating composition having water tree resistance

Publications (2)

Publication Number Publication Date
JPS57162737A true JPS57162737A (en) 1982-10-06
JPH0114931B2 JPH0114931B2 (en) 1989-03-15

Family

ID=12783175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4772181A Granted JPS57162737A (en) 1981-03-31 1981-03-31 Electrically insulating composition having water tree resistance

Country Status (1)

Country Link
JP (1) JPS57162737A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019003884A1 (en) * 2017-06-28 2019-01-03 Nok株式会社 Rubber composition and sealant for fuel cell separator
WO2019188338A1 (en) * 2018-03-28 2019-10-03 Nok株式会社 Rubber composition

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137139A (en) * 1974-09-25 1976-03-29 Showa Electric Wire & Cable Co SUIMITSUDOTAIYOKONPAUNDO
JPS55104335A (en) * 1979-02-06 1980-08-09 Sumitomo Chem Co Ltd Valcanized rubber composition having excellent heat resistance
JPS56133345A (en) * 1980-03-21 1981-10-19 Dainichi Nippon Cables Ltd Rubber composition
JPS56135533A (en) * 1980-03-26 1981-10-23 Dainichi Nippon Cables Ltd Rubber composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137139A (en) * 1974-09-25 1976-03-29 Showa Electric Wire & Cable Co SUIMITSUDOTAIYOKONPAUNDO
JPS55104335A (en) * 1979-02-06 1980-08-09 Sumitomo Chem Co Ltd Valcanized rubber composition having excellent heat resistance
JPS56133345A (en) * 1980-03-21 1981-10-19 Dainichi Nippon Cables Ltd Rubber composition
JPS56135533A (en) * 1980-03-26 1981-10-23 Dainichi Nippon Cables Ltd Rubber composition

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019003884A1 (en) * 2017-06-28 2019-01-03 Nok株式会社 Rubber composition and sealant for fuel cell separator
JPWO2019003884A1 (en) * 2017-06-28 2019-06-27 Nok株式会社 Sealant for fuel cell separator
WO2019188338A1 (en) * 2018-03-28 2019-10-03 Nok株式会社 Rubber composition
US11976185B2 (en) 2018-03-28 2024-05-07 Nok Corporation Rubber composition

Also Published As

Publication number Publication date
JPH0114931B2 (en) 1989-03-15

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