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419060

Sigma-Aldrich

Cellulose acetate butyrate

average Mn ~30,000

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About This Item

Número de CAS:
9004-36-8
MDL number:
MFCD00081513
UNSPSC Code:
12162002
NACRES:
NA.23

form

powder

mol wt

average Mn ~30,000

extent of labeling

≥49 wt. % Butyryl
1.4-2.4 wt. % Hydroxyl

refractive index

n20/D 1.475 (lit.)

density

1.25 g/mL at 25 °C (lit.)

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Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Wasfy M Obeidat et al.
Journal of microencapsulation, 24(3), 263-273 (2007-04-25)
The dispersion/incorporation of Eudragit S100 powder as a filler in cellulose acetate butyrate (CAB-551-0.01) microsphere containing theophylline was investigated as a means of controlling drug release. Microspheres of CAB-551-0.01 of different polymer solution concentrations/viscosities were prepared (preparations Z(0), Z(A), Z(B)
Mitra Jelvehgari et al.
Archives of pharmacal research, 32(7), 1019-1028 (2009-07-31)
The present research work compares the effect of microsphere preparation technique on micromeritics and release behaviors of theophylline microspheres. Microspheres were prepared by oil-in oil (O(1)/O(2)) emulsion solvent evaporation method (ESE) using different ratios of anhydrous theophylline to cellulose acetate
Chenyang Xing et al.
Carbohydrate polymers, 92(2), 1921-1927 (2013-02-13)
The eco-friendly poly(propylene carbonate) (PPC)/cellulose acetate butyrate (CAB) blends were prepared by melt-blending in a batch mixer for the first time. PPC and CAB were partially miscible because of the drastically shifted glass transition temperatures of both PPC and CAB
Nahla S Barakat et al.
Journal of microencapsulation, 25(1), 31-45 (2008-01-12)
The aim of this study was to develop and characterize diclofenac sodium loaded-cellulose acetate butyrate microparticles in order to obtain a controlled-release system. The influence of the type of polymer, the volume and composition of the internal phase, drug loading
Varaporn Buraphacheep Junyaprasert et al.
International journal of pharmaceutics, 352(1-2), 81-91 (2007-12-07)
A sustained release suspension of diltiazem, a short half-life calcium channel blocker, was developed to reduce frequency of drug administration, ease of dose adjustment and improve patient compliance. In this study, the sustained release of diltiazem was obtained by complexing
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