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文件

433837

Sigma-Aldrich

乙基纤维素

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

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别名:
Cellulose ethylate
CAS号:
9004-57-3
MDL编号:
MFCD00131037
NACRES:
NA.23

描述

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

质量水平

200

形式

powder

自燃温度

698 °F

硬度

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

浓度

48.0-49.5%

标记范围

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

折射率

n20/D 1.47 (lit.)

粘度

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

转变温度

Tg 120-124 °C

溶解性

esters, aromatic hydrocarbons, alcohols and ketones: soluble

密度

1.14 g/mL at 25 °C (lit.)

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相关类别

应用

涂料、热熔粘合剂和转印油墨中的成膜剂，以及作为塑料涂料用于多种基底。

特点和优势

产生透明膜，不受可见光和紫外线的影响。在很宽的温度范围（70 至 150°C）内具有弹性，易燃性低，可以制成阻燃剂。与增塑剂和改性剂兼容，可改善附着力、光泽、硬度和耐水性。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

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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
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
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
Nahla S Barakat et al.
Drug development and industrial pharmacy, 39(2), 352-362 (2012-05-01)
Gliclazide (GLZ)-loaded microparticles made with a polymeric blend were prepared by a solvent evaporation technique. Organic solutions of two polymers, poly(ε-caprolactone) (PCL) and Eudragit RS (E RS) or ethyl cellulose (EC), in different weight ratios, and 33.3% of GLZ were
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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