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419044

Sigma-Aldrich

Cellulose acetate butyrate

average Mn ~70,000

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12162002
NACRES:
NA.23

form

powder

mol wt

average Mn ~70,000

extent of labeling

12-15 wt. % Acetyl
35-39 wt. % Butyryl
1.2-2.2 wt. % Hydroxyl

refractive index

n20/D 1.475 (lit.)

density

1.25 g/mL at 25 °C (lit.)

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Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Chen Huang et al.
Journal of biomedical materials research. Part A, 101(1), 115-122 (2012-07-25)
Cellulose acetate butyrate nanofibers were prepared separately by two electrospinning techniques; a needleless electrospinning using a disc as spinneret and a rotary drum as collector and a conventional needle electrospinning using a rotary drum as collector. Compared to the needle-electrospun
W M Obeidat et al.
Journal of microencapsulation, 21(1), 47-57 (2004-01-14)
Theophylline microspheres were prepared by the emulsion-solvent evaporation method using cellulose acetate butyrate (CAB381-20) and mixtures of CAB381-20(R) and cellulose acetate phthalate. The physical state of the drug, polymers and microspheres surfaces were determined using scanning electron microscopy. For those
Soad A Yehia et al.
AAPS PharmSciTech, 10(1), 147-157 (2009-02-10)
The purpose of this study was to formulate budesonide (BUD) compression-coated tablets for colonic specific delivery. Pectin and guar gum were used as enzyme-dependent polymers. For comparison purposes, both pH- and time-dependent polymers were also tried. In vitro release studies
Gheorghe Fundueanu et al.
Biomaterials, 26(20), 4337-4347 (2005-02-03)
Sulfopropylated dextran microspheres (SP-Ms), (Dm = 80 microm) loaded with a water soluble drug (Tetracycline HCl), were included in cellulose acetate butyrate (CAB) microcapsules. Spherical CAB microcapsules were obtained by oil in water (o/w) solvent evaporation method in the presence
Jun Wuk Park et al.
Macromolecular bioscience, 5(9), 840-852 (2005-09-02)
Miscible blends of PHB and CAB were prepared by the solvent-casting method with various blend compositions, and their orientation behavior was investigated during uniaxial drawing. X-ray analysis revealed that the orientation of the crystallizable PHB component in the drawn PHB/CAB

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