Method of adhesive bonding by use of thermotropic liquid crystal

Details Method of adhesive bonding by use of thermotropic liquid crystal Method of adhesive bonding by use of thermotropic liquid crystal

1984-04-13

1989-09-05

Gallagher, John J.

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

15624424, 1563066, 1563082, 156327, 196332, 4273981, 528176, 528190, C09K 1900

Patent

active

048637670

ABSTRACT:
An improved method of bonding a polymeric composition comprised of a thermotropic liquid crystalline polymer to a substrate is provided. It has been determined that the adhesion of a thermotropic liquid crystalline polymer to a substrate is enhanced if the absolute difference between the surface pH of the substrate to which the polymer is to be bonded and the pH of the polymer itself is at least approximately 1.0 pH unit as measured by the method described herein.

REFERENCES:
patent: 3160604 (1964-12-01), Holub et al.
patent: 3723388 (1973-03-01), Bell et al.
patent: 4384016 (1983-05-01), Ide et al.

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