Synthesis of core-shell structured polymers with inserted thioether from a multi-functional scaffold

Chinese Chemical Letters

Volumn 18, Issue 6, 2007, Pages 758-761

  Pu, Hong Ting ^a   Zhou, Qing ^a   Wan, De Cheng ^a  

^a TONGJI UNIVERSITY   (China)

Author keywords

Core shell; Hyperbranched polymer; Radical addition; Scaffold; Thioether

Indexed keywords

EID: 34249773966     PISSN: 10018417     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cclet.2007.04.005     Document Type: Article

References (12)

1. Sunder A., Hanselmann R., Frey H., and Mulhaupt R. Macromolecules 32 (1999) 4240
2. Sunder A., Kramer M., Hanselmann R., Mulhaupt R., and Frey H. Angew. Chem. 111 (1999) 3758
3. Wan D.C., Fu Q., and Huang J.L. J. Appl. Polym. Sci. 102 (2006) 3679
4. Wan D.C., Fu Q., and Huang J.L. J. Appl. Polym. Sci. 101 (2006) 509
5. Wan D.C., Fu Q., and Huang J.L. J. Polym. Sci. Part A: Polym. Chem. 43 (2005) 5652
6. D.C. Wan, H.T. Pu, Mater. Lett., in press.
7. D.C. Wan, H.T. Pu, G.J. Yang, submitted for publication.
8. y, x represented degree of polymerization of PG, y represented the number of allyl groups attached on each PG scaffold.
9. Wan D.C., Yuan J.J., Yang Z.L., and Pu H.T. Chin. Chem. Lett. 18 (2007) 192
10. A typical procedure was as follows: 3.43 g 3, 11.6 g 1, 1.29 g AIBN were dissolved in 100 mL dioxane, the solution was heated at 65 °C under nitrogen and stirring for 16 h, after dioxane was removed, the residual was subjected to dialysis (Benzoylated tubing D-7884, MWCO 1200 Sigma) against chloroform for 3 days, the polymer was recovered by remove of the chloroform.
11. 22 (6.89 mmol of allyl), 21 g 2-amino-ethanethiol hydrochloride (185 mmol), and 1 g AIBN (5.58 mmol) were dissolved in 450 mL of dried DMF and heated at 65 °C under nitrogen for 12 h, then the DMF was removed under reduced pressure. The residual was subjected to dialysis against methanol/water (2:1, v/v) in presence of 5 g potassium carbonate for 24 h, followed by dialysis against methanol for 12 h. The polymer was recovered by remove the methanol.
12. 2 and PG).