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Cycloolefin copolymers (COCS) as substrate material for liquid- crystal displays
Cycloolefin copolymers (COCS) as substrate material for liquid- crystal displays
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机译:环烯烃共聚物(COCS)作为液晶显示器的基材
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摘要
A substrate for liquid-crystal displays is formed from polymers of polycyclic olefins by polymerization, without ring opening, of at least one monomer of the formula (I), (II), (III), (IV), (V) or (VI) . The novel use of cycloolefin copolymers as substrate material facilitates process temperatures of above 180° C. in the production of displays. Cycloolefin copolymers are lighter and less brittle than glass. Compared with other plastics, they have advantages in photoelastic constants, thermal expansion, hardness, density, transparency, water absorption and with respect to birefringence. Furthermore, they have high resistance to polar solvents.
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