• No results found

SYNTHESIS OF POLY (L-LACTIC ACID) BY EHYDROPOLYCONDENSATION, DETERMINATION OF SEQUENCE BY 13C NMR METHOD

N/A
N/A
Protected

Academic year: 2020

Share "SYNTHESIS OF POLY (L-LACTIC ACID) BY EHYDROPOLYCONDENSATION, DETERMINATION OF SEQUENCE BY 13C NMR METHOD"

Copied!
10
0
0

Loading.... (view fulltext now)

Full text

Loading

Figure

Table 1: The Kinetic and thermodynamic parameters changes and its effects
Table 2: 13C NMR carbonyl assignments of poly (L-lactic acid) prepared from L-lactic acid in xylene
Fig. 1: 13C NMR spectra (500 MHz) around carbonyl (ester), carbonyl (acid) and carbonyl (lactide) areas of PLA oligomers (a) PLA-1 and (b) PLA- 2
Figure 6 showed the 13different solvents i.e. polar solvent (anisole) and non-polar solvent (mesitylene) using same catalyst and reaction temperature
+5

References

Related documents

Communities of practice (CoPs), which have been described by Wenger and others as a type of informal learning organization, have received increasing attention in the health care

Each node N relies on its neighborhood table to select an optimal route, considering both energy consumption and reliability.For a node N to select a route for delivering

A thermal dissociation chemical ionization mass spectrometer (TD-CIMS) was deployed to an urban site in Hong Kong to measure the sum of N 2 O 5 and NO 3 in au-.. tumn 2010 based on

2, 12–14 that such excellent mechanical properties can be attained in various ultra-fine grained materials processed by severe plastic deformation (SPD). Recently, Tsuji et al.

As mentioned in the previous sections, in this this research the quality of service, remaining energy level, noise rate ( SINR ), link expiration time, and hop count parameters

The aims of this study were three-fold: first to investigate whether b -catenin inter- acts directly with eNOS in endothelial cells; secondly to ascertain whether such

For each of our 9 traffic matrices, figure 13 plots the payment change for attractor T1b in 4 scenarios: (1) only T1b attracts traffic, (2) attraction is by 10 networks as in

Conclusions: Significantly increased standardized uptake value in the peripheral rim of the lesion on 2-[ 18 F]fluoro-2 deoxy-D glucose positron emission tomography imaging, mimicking