FR2294526A1 - Polyamide-11 coatings for aluminium battery bodies - bonded by an epoxy or phenolic resin coating - Google Patents

Polyamide-11 coatings for aluminium battery bodies - bonded by an epoxy or phenolic resin coating

Info

Publication number
FR2294526A1
FR2294526A1 FR7440456A FR7440456A FR2294526A1 FR 2294526 A1 FR2294526 A1 FR 2294526A1 FR 7440456 A FR7440456 A FR 7440456A FR 7440456 A FR7440456 A FR 7440456A FR 2294526 A1 FR2294526 A1 FR 2294526A1
Authority
FR
France
Prior art keywords
polyamide
epoxy
mym
coating
coatings
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
FR7440456A
Other languages
French (fr)
Other versions
FR2294526B3 (en
Inventor
Michel Gerard Pringuet
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Priority to FR7440456A priority Critical patent/FR2294526A1/en
Publication of FR2294526A1 publication Critical patent/FR2294526A1/en
Application granted granted Critical
Publication of FR2294526B3 publication Critical patent/FR2294526B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/08—Housing; Encapsulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

Coatings for sealing the aluminium casings of electrolytic cells, where the outside and the inner rim of the casing is covered with a layer of epoxy resin applied as powder by electrostatic spraying to 30-50 mym thick, gelled by heating and then coated with a layer 80 mym deep of polyamide-11 prior to curing for 2-5 mins. at 180-220 degrees C. Alternatively a phenolic varnish 5 mym thick may replace the epoxy layer beneath the polyamide coating. Used for mfr. of cells required to resist continuous current discharges at voltages of 3500 V and for use over a wide range of ambient temps. e.g. to -55 degrees C. The coating is more resistant to interfacial penetration by moisture and consequent corrosion of the casing than use of heat shrunk or wrapped thermoplastic sleeving. The epoxy or phenolic coating is a compatible bonding agent for an aluminium/polyamide interface. The polyamide is sufficiently soft and flexible for satisfactory use of clamps or folded lips to retain the lid of the cell in the body mouth. Suitable for cells fitted with lids made of glass reinforced polypropylene and/or involving a seal of ethylene/propylene rubber.
FR7440456A 1974-12-10 1974-12-10 Polyamide-11 coatings for aluminium battery bodies - bonded by an epoxy or phenolic resin coating Granted FR2294526A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7440456A FR2294526A1 (en) 1974-12-10 1974-12-10 Polyamide-11 coatings for aluminium battery bodies - bonded by an epoxy or phenolic resin coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7440456A FR2294526A1 (en) 1974-12-10 1974-12-10 Polyamide-11 coatings for aluminium battery bodies - bonded by an epoxy or phenolic resin coating

Publications (2)

Publication Number Publication Date
FR2294526A1 true FR2294526A1 (en) 1976-07-09
FR2294526B3 FR2294526B3 (en) 1977-09-02

Family

ID=9145849

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7440456A Granted FR2294526A1 (en) 1974-12-10 1974-12-10 Polyamide-11 coatings for aluminium battery bodies - bonded by an epoxy or phenolic resin coating

Country Status (1)

Country Link
FR (1) FR2294526A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6164117A (en) * 1984-09-06 1986-04-02 松下電器産業株式会社 Aluminum electrolytic condenser
WO2003019591A2 (en) * 2001-08-23 2003-03-06 Epcos Ag Housing for electrical components, in particular for capacitors

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6164117A (en) * 1984-09-06 1986-04-02 松下電器産業株式会社 Aluminum electrolytic condenser
WO2003019591A2 (en) * 2001-08-23 2003-03-06 Epcos Ag Housing for electrical components, in particular for capacitors
WO2003019591A3 (en) * 2001-08-23 2003-12-31 Epcos Ag Housing for electrical components, in particular for capacitors
US6855885B1 (en) 2001-08-23 2005-02-15 Epcos Ag Electrical component housing

Also Published As

Publication number Publication date
FR2294526B3 (en) 1977-09-02

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Legal Events

Date Code Title Description
ST Notification of lapse