(19) | |
| (11) | EP 0 241 408 A3 |
(12) | EUROPEAN PATENT APPLICATION |
(88) | Date of publication A3: | | 22.03.1989 Bulletin 1989/12 |
(43) | Date of publication A2: | | 14.10.1987 Bulletin 1987/42 |
(22) | Date of filing: 07.04.1987 |
| (51) | International Patent Classification (IPC)4: H01B 3/04 |
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(84) | Designated Contracting States: | | AT BE CH DE FR GB IT LI LU NL SE |
(30) | Priority: | 09.04.1986 US 849936
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(71) | Applicant: ESSEX GROUP INC. | | Fort Wayne
Indiana 46801 (US) |
| (72) | Inventors: | | - Sklarski, Dennis J.
Deerfield
New Hampshire 03037 (US) - Doyle, Arthur F.
Portsmouth,
New Hampshire 03801 (US)
|
(74) | Representative: Schmitz, Jean-Marie et al | | Dennemeyer & Associates Sàrl
P.O. Box 1502 1015 Luxembourg 1015 Luxembourg (LU) |
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(57) A highly flexible mica insulating structure is disclosed which comprises one or more mica papers impregnated with about 5 percent to about 25 percent by weight of a flexible polysiloxane resin having about 1 percent to about 4 percent by weight of an alkoxy titanate and about 0.5 percent to about 2 percent by weight of a naphthenate based on polymer solids, said resin binder being partially cured or B-staged. Such mica products have excellent flexibility, structural integrity and improved moisture resistance.