Bacon & Thomas
Vertical alignment polyimide and vertical alignment film compositions for LCD
A vertical alignment polyimide for LCD has the following structure:wherein R1 and R2 are same or different tetravalent aromatic residues or alkyl residues; n is an integer, and 24≧n≧6; a:b=1:9 to 9:1, preferably from 4:1 to 1:1; and a+b=p+q. The polyimide has an inherent viscosity of 0.04–5 dl/g.
Industrial Technology Research Institute
C C C C G G C Y
C08J C09K C08G C08G G02F G02F C08J Y10T
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Jia-Ming Chein-Dhau Hui-Mei Kua-Hua
Chen Lee Liu Shen