Plastic and nonmetallic article shaping or treating: processes – Treating shaped or solid article – By a temperature change
Patent
1985-03-26
1988-05-03
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Treating shaped or solid article
By a temperature change
264104, 264348, B29C 4320, B29C 4354
Patent
active
047418761
ABSTRACT:
A method for processing a layered structure incorporating alternating plastic film and electrically conductive layers to enhance thermal and capacitive stability of the structure, which plastic film has molecular bonds oriented in a first axis and a second axis, the method comprising the steps of applying compressive force to the structure in a third axis, which third axis is substantially perpendicular to the first and second axes; and raising the structure from an ambient temperature to a processing temperature while maintaining the compressive force on the structure, the processing temperature being sufficiently high to randomize the molecular bonds; and maintaining the structure at the processing temperature and under the compressive force for a processing time sufficient to effect randomization of substantially all of the molecular bonds in the structure; and allowing the structure to substantially cool to ambient temperature before removing the compressive force from the structure.
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Buckman Thomas W.
Illinois Tool Works Inc.
Lorin Hubert C.
Silbaugh Jan H.
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