مصممة لإعادة التدوير الجزيئي: بوليمر شبه عطري شبه عطري مشتق من الليجنين

1:15

Green Knoevenagel Condensation of Syringaldehyde Towards Sinapinic Acid with 5 Mol% Ammonium Bicarbonate

2:30

Hydrogenation of Sinapinic Acid Towards Dihydrosinapinic Acid with Nickel

3:45

Acetylation of Dihydrosinapinic Acid Towards Acetylated Monomers and Oligomers (prepolymer)

4:38

Polymerization of Acetylated Monomers and Oligomers

6:14

Representative Procedure for the Depolymerization of Poly-S in 1 M NaOH

7:26

Results: Step-growth Polycondensation of 4-Acetoxy-dihydrosinapinic Acid

9:36

Conclusion