Dihydroxy-Terminated Poly( l -lactide) Obtained by Controlled Ring-Opening Polymerization: Investigation of the Polymerization Mechanism
✍ Scribed by Stridsberg, Kajsa; Ryner, Maria; Albertsson, Ann-Christine
- Book ID
- 120303752
- Publisher
- American Chemical Society
- Year
- 2000
- Tongue
- English
- Weight
- 164 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0024-9297
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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
Various amounts of hydroxy terminated PDMS were linked into PLLA chains via in-situ ring opening polymerization at a very low content of SnOt2. The 'H and FTIR spectra provided evidence for the incorporation of the PDMS in the PLLA chains. The molecular weights, T8, T,, crystallinity and the heats o
## 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
## Abstract Epoxidized soybean oil (ESO) was converted to a polysoap (PESO) via a two‐step synthetic procedure of catalytic ring‐opening polymerization, followed by hydrolysis (HPESO) with a base. Various molecular weights of PESO and HPESO were prepared by varying the reaction temperature and/or c