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Sigma-Aldrich

Ethyl cellulose

viscosity 46 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl

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Synonym(s):
Cellulose ethylate
CAS Number:
MDL number:
NACRES:
NA.23

description

water vapor transmission 890 g/m2/24hrs 3-mil. film (ASTM E96-66,E)

Quality Level

form

powder

autoignition temp.

698 °F

hardness

52-61 (Sward, 3-mil. film)

concentration

48.0-49.5%

extent of labeling

48% ethoxyl
2.25-2.58 mol ethyl per mol cellulose (D.S.)

refractive index

n20/D 1.47 (lit.)

viscosity

46 cP, 5 % in toluene/ethanol 80:20(lit.)

transition temp

Tg 120-124 °C

solubility

esters, aromatic hydrocarbons, alcohols and ketones: soluble

density

1.14 g/mL at 25 °C (lit.)

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Application

Film-former in coatings, hot-melt adhesives and transfer inks and as a plastic coating for a variety of substrates.

Features and Benefits

Produces transparent films, unaffected by visible and UV light. Flexible over a wide temperature range (70 to 150 °C), exhibits low flammability and can be made flame-retardant. Compatible with plasticizers and modifiers to improve adhesion, gloss, hardness and water resistance.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Kifayat Ullah Shah et al.
TheScientificWorldJournal, 2012, 842348-842348 (2012-06-01)
The design and fabrication of sustained/controlled release dosage forms, employing new excipients capable of extending/controlling the release of drugs from the dosage forms over prolonged periods, has worked well in achieving optimally enhanced therapeutic levels of the drugs. In this
Li-Ya Huang et al.
International journal of pharmaceutics, 436(1-2), 88-96 (2012-07-14)
A drug-loaded nanofiber mesh which could achieve time-engineeringed biphasic release was fabricated through sequential electrospinning. The drug to polymer ratio of each single mesh was allocated and designed before the tri-layered meshes were created. The resultant meshes had the following
H V Adikane et al.
Applied biochemistry and biotechnology, 169(3), 1026-1038 (2013-01-09)
The chemical modification of developed ethyl cellulose-based membrane was carried out to make it suitable for bioseparation. The different reagents were used for the modification of membrane to couple protein A (PA) to study the purification of immunoglobulin G (IgG)
Joseph D Roy-Mayhew et al.
ACS applied materials & interfaces, 4(5), 2794-2800 (2012-05-03)
Several techniques for fabricating functionalized graphene sheet (FGS) electrodes were tested for catalytic performance in dye-sensitized solar cells (DSSCs). By using ethyl cellulose as a sacrificial binder, and partially thermolyzing it, we were able to create electrodes which exhibited lower
Hanzhou Feng et al.
Colloids and surfaces. B, Biointerfaces, 103, 530-537 (2012-12-26)
Genipin-crosslinked complex microspheres made of the combination of two polymers, ethyl cellulose and chitosan, were prepared by spray drying method. Rifabutin, an anti-tuberculosis agent was used as a model drug. Effects of various specifications of ethyl cellulose and chitosan, different

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