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433837

Sigma-Aldrich

Éthyl cellulose

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

Synonyme(s) :

Cellulose ethylate

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About This Item

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

Description

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

Niveau de qualité

200

Forme

powder

Température d'inflammation spontanée

698 °F

Dureté

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

Concentration

48.0-49.5%

Ampleur du marquage

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

Indice de réfraction

n20/D 1.47 (lit.)

Viscosité

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

Température de transition

Tg 120-124 °C

Solubilité

esters, aromatic hydrocarbons, alcohols and ketones: soluble

Densité

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.

Caractéristiques et avantages

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.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
MKCW4604
MKCW2776
MKCT2999
MKCR0352
MKCM1324

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

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Anurag Verma et al.
Acta pharmaceutica (Zagreb, Croatia), 62(2), 237-250 (2012-07-04)
Chitosan has become a focus of major interest in recent years due to its excellent biocompatibility, biodegradability and non-toxicity. Although this material has already been extensively investigated in the design of different types of drug delivery systems, it is still
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
N Suwannateep et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 82(3), 485-490 (2012-09-08)
The phytochemical curcumin possesses antioxidant activity; however, it becomes unstable after being exposed to light or heat or loses activity during storage. This is especially important when curcumin is applied to the skin within a cosmetic or pharmaceutical formulation, since
Syed Umer Jan et al.
Pakistan journal of pharmaceutical sciences, 25(4), 751-756 (2012-09-27)
The aim and objective of the present study was to formulate and evaluate controlled release polymeric tablets of ibuprofen with determinations of formulation factors using various grades and types of polymer ethocel i.e. ethocel standard 10P; 10FP, 100P and100FP for
Xin Li et al.
Die Pharmazie, 67(8), 695-700 (2012-09-11)
A novel osmotic pump tablet with ethyl cellulose (EC) and polyvinyl pyrrolidone (PVP) as the semipermeable membrane and isosorbide-5-mononitrate (5-ISMN) as the model drug was formulated in this study. Zero order release kinetics were attained by avoiding aging during storage.
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