Six different titanium biphenolate complexes were synthesized and investigated as initiators for the ring opening polymerization of l-lactide in the bulk phase but typically below the degradation temperature of the monomer. All the titanium complexes are effective in forming polylactide with good co
Functionalization of poly(l-lactide) macromonomers by ring-opening polymerization of l-lactide initiated with hydroxyethyl methacrylate-aluminium alkoxides
✍ Scribed by Jose Luis Eguiburu; Maria Jose´ Fernandez Berridi; Julio San Roma´n
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 556 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0032-3861
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## Abstract MWNTs are modified to possess hydroxy groups and are used as coinitiators to polymerize L‐lactide by the surface‐initiated ring‐opening polymerization. FT‐IR and TEM observations reveal that the PLLA is covalently attached to the MWNTs (MWNT‐__g__‐PLLA), and the weight gain as a result
## Abstract A chiral Schiff's base/aluminium alkoxide initiator bearing a ligand derived from __R__‐(+)‐1,1′‐binaphthyl‐2,2′‐diamine was synthesized and used for the stereoelective polymerization of __rac__‐(D,L)‐lactide. Rather high stereoelectivity is observed: a polymer with 88% enantiomeric enr
## Abstract Model poly[ethylene‐__block__‐(L,L‐lactide)] (PE‐__block__‐PLA) block copolymers were successfully synthesized by combining metallocene catalyzed ethylene oligomerization with ring‐opening polymerization (ROP) of L,L‐lactide (LA). Hydroxy‐terminated polyethylene (PE‐OH) macroinitiator w