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Merck

433837

Sigma-Aldrich

乙基纤维素

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

别名:

Cellulose ethylate

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About This Item

CAS号:
MDL號碼:
分類程式碼代碼:
12162002
NACRES:
NA.23

描述

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

形狀

powder

自燃溫度

698 °F

硬度

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

濃度

48.0-49.5%

標籤範圍

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

折射率

n20/D 1.47 (lit.)

黏度

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

轉變溫度

Tg 120-124 °C

溶解度

esters, aromatic hydrocarbons, alcohols and ketones: soluble

密度

1.14 g/mL at 25 °C (lit.)

SMILES 字串

O1[C@H](C(C(C(C1COCC)OCC)OCC)OCC)O[C@@H]2C(OC(C(C2OCC)OCC)OCC)COCC

InChI 密鑰

MINRZDZESGXKDM-OLIDUAMRSA-N

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應用

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。

特點和優勢

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。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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
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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
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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
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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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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

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