A study of PBT/PC blends by modulated DSC and conventional DSC

1996 ◽  
Vol 46 (3-4) ◽  
pp. 1047-1059 ◽  
Author(s):  
Yimin Jin ◽  
J. Bonilla ◽  
Ye-Gang Lin ◽  
J. Morgan ◽  
Linda McCracken ◽  
...  

2007 ◽  
Vol 90 (3) ◽  
pp. 713-719 ◽  
Author(s):  
Joyce Chau ◽  
Iwona Garlicka ◽  
Catherine Wolf ◽  
J. Teh


2017 ◽  
Vol 9 (3) ◽  
pp. 71
Author(s):  
Rakesh Kumar Sharma ◽  
Anil Kumar Middha

<p>The solid dispersions of indomethacin with hydrophilic polymers were prepared by lyophilization. The polymers used in the investigation were HPMC, PVP K30, CBR and PLF 127. The solubility and dissolution of indomethacin from prepared lyophilized solid dispersions were investigated in 0.1 N HCl, purified water and USP-NF dissolution media.  Out of fifteen lyophilized formulations from F1 to F15, five formulations F2, F5, F8, F12 and F14 showed highest solubility in purified water. Formulation F2, F8 failed to comply with the USP-NF dissolution test for indomethacin capsules. Formulation F14 showed maximum dissolution in the respective dissolution media within 60 min.  Sustained drug release was observed for 6 h with formulations F2 and F8 in USP-NF media. The formulations F2, F5, F8, F12 and F14 were characterized by modulated DSC and FT-IR spectroscopy. Some Formulations on stability testing were found physico-chemically stable at accelerated temperature conditions.</p>







2006 ◽  
Vol 84 (2) ◽  
pp. 419-424 ◽  
Author(s):  
C. Giavarini ◽  
F. Maccioni ◽  
Maria Laura Santarelli
Keyword(s):  


2002 ◽  
Vol 732 ◽  
Author(s):  
A. Tregub ◽  
M. Moinpour ◽  
J. Sorooshian

AbstractSoaking of polyurethane-based CMP pad in oxide slurry, de-ionized water, and pH buffer solution, and its effect on thermal and mechanical properties of the pads was studied using Dynamic Mechanical Analysis and Modulated Differential Scanning Calorimetry. Pad softening due to soaking was established, and softening mechanisms are discussed. Diffusion of the aqueous medias to polyurethane pad was described using Fickian diffusion model.





2007 ◽  
Vol 23 (12) ◽  
pp. 1492-1499 ◽  
Author(s):  
F MENG ◽  
S SCHRICKER ◽  
W BRANTLEY ◽  
D MENDEL ◽  
R RASHID ◽  
...  


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