Process for producing cholesteric liquid crystal polyester film

Details Process for producing cholesteric liquid crystal polyester film Process for producing cholesteric liquid crystal polyester film

1986-09-19

1988-04-19

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264204, 264235, 264237, 26432814, 26433118, 26433121, 264345, 528176, 528271, B29C 4788

Patent

active

047388110

ABSTRACT:
A process for producing a cholesteric liquid crystal polyester film or sheet possessing an ordered planar texture (monodomain structure), which process comprises providing a cholesteric liquid crystal polyester in which 1 to 10 mol % of constituent monomer units are optically active, allowing the cholesteric liquid crystal polyester to be formed in the temperature range of 150.degree. to 350.degree. into a film or sheet having a thickness not larger than 100 .mu.m, and then cooling the film or sheet rapidly.

REFERENCES:
patent: 4325903 (1982-04-01), Wissbrun et al.
patent: 4332759 (1982-06-01), Ide
patent: 4410683 (1983-10-01), Gale
patent: 4429104 (1984-01-01), Feasey
patent: 4468364 (1984-08-01), Ide
patent: 4508891 (1985-04-01), Bailey et al.
patent: 4529565 (1985-07-01), Kasatani et al.

Affiliated with

Also associated with

Rating

Process for producing cholesteric liquid crystal polyester film does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing cholesteric liquid crystal polyester film , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing cholesteric liquid crystal polyester film will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2174062