Oil-impregnated polyolefin film for electric insulation and manu

Details Oil-impregnated polyolefin film for electric insulation and manu Oil-impregnated polyolefin film for electric insulation and manu

1982-02-17

1984-08-21

Lesmes, George F.

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Structurally defined web or sheet

Including components having same physical characteristic in...

427 57, 427 79, 427172, 428291, 428910, B32B 702

Patent

active

044670109

ABSTRACT:
The present invention provides a polyolefin film for electric insulation which is obtained by using a uniaxially drawn film of crystalline polyolefin, in which intramicrofibril and intermicrofibril amorphous parts of the uniaxially drawn film are impregnated with a low loss insulation oil, and which simultaneously satisfies the following conditions:

REFERENCES:
patent: 3928705 (1975-12-01), Loft et al.
patent: 4170665 (1979-10-01), Behn et al.
patent: 4418641 (1983-12-01), Nakashima et al.
Pages 1 and 253-261, Polymer Science and Technology, vol. 1, Structure and Properties of Polymer Films.

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