WebFTIR analysis. The FTIR of sodium and shellac sodium, ATR-FTIR were conducted to investigate the compatibility between the shellac and the shellac sodium salt. It can be … WebApr 30, 2011 · The formation of SHL–PHT was confirmed by FTIR spectra and other characterization techniques. The SHL–PHT demonstrated to improve the thermal stability …
The effect of polyethylene glycol on shellac stability
WebFTIR is used to investigate whether or not different processing methods are detectable by examining the resulting spectra. The chemistry of Lac is explored, and 10 shellac samples … WebSintesis coralline hydroxyapatite (CHAp) dari koral laut yang umumnya menggunakan metode basah yaitu hidrotermal yang memerlukan suhu dan tekanan tinggi. Tujuan dari penelitian ini adalah mengkonversi koral laut Goniopora sp. menjadi CHAp dengan dr browns eye center
Improved shellac mediated nanoscale application drug release …
The structure of shellac contains of aleuritic acid part and terpenic acid part [28]. The C, H and N content analysis shows the % of C and H as 28.3, 16.5, respectively. On the other hand, Sh–HPMC–AA shows %C: 50.1, %H: 21.5, respectively, indicating increase in percentage of carbon as a result of chemical … See more Thermo-gravimetric analysis (TGA) is useful for study of thermal stability and degradation of materials for various practical applications. Figure 2 shows the … See more The differential scanning calorimetry (DSC) is also used to study the thermal behavior of material. DSC thermograms for shellac and chemically modified shellac … See more The morphological feature of the shellac and Sh–HPMC–AA, obtained from scanning electron micrograph (SEM), is presented in Fig. 7. All materials were … See more The equilibrium swelling % for Sh–HPMC–AA, carried out as a function of pH, is illustrated in Fig. 8. The result indicated that the swelling ratio was 288% for … See more WebApr 14, 2024 · Multiscale shellac-based delivery systems: From macro- to nano-scale. ACS Nano, 2024, 15(12), 18794-18821. 6. Yi Yuan, Ni He, Qingrong Xue, et al. Shellac: A promising natural polymer in the food ... Yi Yuan, et al. Preparation and FTIR, Raman and SEM characterizations of konjac glucomannan-KCl electrogels. Food Chemistry, 2024, 331: Web3. FTIR spectra of PEG400 shellac system with different concentration of PEG400 heated at 125 o C for 30 minutes FTIR spectrum of PEG400 shellac system with different … dr browns feeding courses