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Sigma-Aldrich

Ethylcellulose

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

Synonym(e):

Cellulose ethylate

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About This Item

CAS-Nummer:
9004-57-3
MDL-Nummer:
MFCD00131037
UNSPSC-Code:
12162002
NACRES:
NA.23

Beschreibung

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

Form

powder

Selbstzündungstemp.

698 °F

Härte

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

Konzentration

48.0-49.5%

Kennzeichnungsgrad

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

Brechungsindex

n20/D 1.47 (lit.)

Viskosität

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

Übergangstemp.

Tg 120-124 °C

Löslichkeit

esters, aromatic hydrocarbons, alcohols and ketones: soluble

Dichte

1.14 g/mL at 25 °C (lit.)

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Anwendung

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

Leistungsmerkmale und Vorteile

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.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

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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
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
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
Daniela Traini et al.
International journal of pharmaceutics, 438(1-2), 150-159 (2012-09-12)
The potential of excipient coating to enhance aerosol performance of micronized drugs in carrier excipient-drug blends, used in dry powder inhalers, was investigated. Both EC (ethyl cellulose) and PVP (polyvinylpyrrolidone) were used as coating agents. Carriers were prepared via sieve
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