Controlling the coefficient of thermal expansion of liquid cryst

Details Controlling the coefficient of thermal expansion of liquid cryst Controlling the coefficient of thermal expansion of liquid cryst

1993-09-07

1996-06-25

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Molecular aligning or molecular orientating

2642092, 4251748E, 4253823, B29C 4700, B29C 5526, B29C 7104

Patent

active

055297412

ABSTRACT:
The present invention provides methods of preparing thermotropic and lyotropic liquid crystalline polymer film-based and tubular components having a controlled CTE and components produced by such methods. The methods of the present invention include treating a melt or dope of liquid crystalline polymer with simultaneous biaxial shearing forces and with an electric or magnetic field normal to each of the biaxial shearing forces.

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