Chem. J. Chinese Universities ›› 2015, Vol. 36 ›› Issue (3): 559.doi: 10.7503/cjcu20141059
• Polymer Chemistry • Previous Articles Next Articles
XI Xi1, ZHEN Weijun1,*(), BIAN Shenzhen2
Received:
2014-12-01
Online:
2015-03-10
Published:
2015-01-30
Contact:
ZHEN Weijun
E-mail:zhenweijun6900@163.com
Supported by:
CLC Number:
TrendMD:
XI Xi, ZHEN Weijun, BIAN Shenzhen. In-situ Intercalative Polymerization of Poly(lactic acid)/HTCC-saponite Nanocomposites and Their Properties Characterization†[J]. Chem. J. Chinese Universities, 2015, 36(3): 559.
Sample | Mn | Mw | Mz | Polydispersity index |
---|---|---|---|---|
PLA | 25861 | 49002 | 69708 | 1.89 |
PLA/HTCC-saponite | 27684 | 51302 | 77432 | 1.85 |
Table 1 Molecular weight of PLA and PLA/HTCC-saponite
Sample | Mn | Mw | Mz | Polydispersity index |
---|---|---|---|---|
PLA | 25861 | 49002 | 69708 | 1.89 |
PLA/HTCC-saponite | 27684 | 51302 | 77432 | 1.85 |
Sample | MIC value/(mg·mL-1) | |||
---|---|---|---|---|
E. coli | Bacillus subtilis | Aspergillus | Penicillium | |
Saponite | 3.00 | 4.50 | 7.00 | 9.00 |
HTCC-saponite | 2.50 | 2.75 | 4.25 | 4.75 |
Table 2 Minimum inhibitory concentration(MIC) values of saponite, HTCC-saponite antibacterial agents against E. coli, Bacillus subtilis, Aspergillus and Penicillium
Sample | MIC value/(mg·mL-1) | |||
---|---|---|---|---|
E. coli | Bacillus subtilis | Aspergillus | Penicillium | |
Saponite | 3.00 | 4.50 | 7.00 | 9.00 |
HTCC-saponite | 2.50 | 2.75 | 4.25 | 4.75 |
Fig.11 Antimicrobial activity of PLA(A1—D1) and PLA/HTCC-saponite(A2—D2) antibacterial agents against E.coli(A1, A2), Bacillus subtilis(B1, B2), Aspergillus(C1, C2) and Penicillium(D1, D2)
Sample | Bacteriostatic rings area/cm2 | |||
---|---|---|---|---|
E. coli | Bacillus subtilis | Aspergillus | Penicillium | |
PLA | 3.14 | 3.14 | 2.83 | 2.54 |
PLA/HTCC-saponite | 7.06 | 4.52 | 4.90 | 6.64 |
Table 3 Antibacterial area of PLA and PLA/HTCC-saponite antibacterial agents against E.coli,Bacillus subtilis, Aspergillus and Penicillium
Sample | Bacteriostatic rings area/cm2 | |||
---|---|---|---|---|
E. coli | Bacillus subtilis | Aspergillus | Penicillium | |
PLA | 3.14 | 3.14 | 2.83 | 2.54 |
PLA/HTCC-saponite | 7.06 | 4.52 | 4.90 | 6.64 |
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