Capacitance electronic disc molding composition

Details Capacitance electronic disc molding composition Capacitance electronic disc molding composition

1984-06-20

1985-07-30

Barr, Josephine L.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

524495, 524496, 369288, 428 64, 428 65, H01B 106

Patent

active

045320748

ABSTRACT:
A conductive molding composition for the preparation of high density capacitance electronic discs is disclosed. The improved composition contains only five ingredients and is characterized by superior playback without the necessity of washing the disc after pressing. The subject compositions contain as a dispersant isopropyl tri(dioctylpyrophosphato)titanate. Preferred compositions are additionally comprised of poly(vinyl chloride), conductive carbon black, diundecyl phalthalate as a plasticizer and a tin mercaptoester or tin alkyl mercaptide stabilizer.

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Williams & Wang, RCA Review, vol. 43, pp. 224-227, Mar. 1983.
Bulletin No. KR-0278-7, Rev. #2, KenReact Reference Manual, Kenrich Petrochemicals, Inc., w/1981 Supplement.

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