申请人:Chen Chien-Tien
公开号:US20070117971A1
公开(公告)日:2007-05-24
The present invention discloses a cellulose based optical film material with the following structure:
wherein R
1
is —H or —C(O)R
4
, R
4
is alkyl or aryl; R
2
is —C(O)R
5
, R
5
is alkyl or aryl; R
3
comprises one of the group consisting of: phosphinate based group, phosphonate based group, phosphonamide based group, phosphate based group, phosphoramide based group, carbamate based group, carbonate based group, and ester based group. Further, this invention also discloses a method for forming the cellulose based optical film material.