Patent ID: 9290601
Filing Date: 2016-03-22
CPC Classification: C08F,C09B,C09K

Claim Text:
1. A process for preparation of a polymer composition with tunable fluorescence comprising the steps of: i. adding 37 mg/ml of silk solution to 10 ii. adding 0.1 to 30% of one or more monomer(s) selected from the group consisting of methacrylates, acrylates, vinyl groups, pyrene, perylene, oligophenylene vinylene, oligothiophene, and combinations thereof provided with fluorophore solution in DMF (dimethyl formamide) to the colourless mixture as obtained in step (i) in a ratio ranging between 0.02 to 0.8 w/w and heating at a temperature of from 55 to 60° C. to obtain a mixture; iii. cooling the mixture as obtained in step (ii), extracting the precipitate formed with organic solvent and water to remove all unreacted monomer and homopolymer, filtering under vacuum and drying to obtain a dried mixture; and iv. soxhlating the dried mixture as obtained in step (iii) in organic solvent for 2 days to obtain pure polymer composition with tunable fluorescence.