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Merck
CN

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:
MDL编号:
UNSPSC代码:
12162002
NACRES:
NA.23

描述

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

质量水平

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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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。

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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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
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
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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