Process for the production of molded article having positive tem

Details Process for the production of molded article having positive tem Process for the production of molded article having positive tem

1990-12-31

1992-11-17

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Forming electrical articles by shaping electroconductive...

Conductive carbon containing

2641761, 26421121, 26421124, C04B 3500, B29C 4738, B29C 4778

Patent

active

051641330

ABSTRACT:
A process for the production of a molded article having positive temperature coefficient characteristics from a resin composition containing a crystalline resin, electrically conductive particles and an organic peroxide. A molded article having excellent PTC characteristics over that of a conventional molded article can be obtained by a process which includes mixing the crystalline resin and the electrically conductive particles to obtain a mixture; crosslinking the crystalline resin with the organic peroxide by kneading the mixture under a shear force; and simultaneously or successively molding the resultant kneaded mixture.

REFERENCES:
patent: 4732701 (1988-03-01), Nishii et al.

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