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181986

Sigma-Aldrich

聚环氧乙烷

average Mv 100,000 (nominal), powder

同義詞:

PEO

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About This Item

線性公式:
(-CH2CH2O-)n
CAS號碼:
25322-68-3
MDL號碼:
MFCD00081839
分類程式碼代碼:
12352104
PubChem物質ID:
24850968
NACRES:
NA.23

形狀

powder

品質等級

200

分子量

average Mv 100,000 (nominal)

包含

200-500 ppm BHT as inhibitor

折射率

n20/D 1.4539

黏度

12-50 cP, 5 % in H2O(25 °C, Brookfield)(lit.)

轉變溫度

Tg −67 °C
Tm 65 °C

密度

1.13 g/mL at 25 °C

Ω-end

hydroxyl

α-end

hydroxyl

SMILES 字串

[H]OCCO

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI 密鑰

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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相關類別

一般說明

聚环氧乙烷是一种非离子型亲水 线性聚合物。 它可以通过环氧乙烷的催化聚合来 制备。由于其水化和膨胀特性，它被广泛应用于 控释给药体系和生物粘合材料。

應用

PEO 可用于：
  • 制备具有独特蠕虫状构象的聚合物刷（polymer brush）， 其可用于癌症药递送 体系。
  • 合成用于固态电池和燃料电池的聚合物电解质 。
  • 制备生物医学和食品包装应用中的可生物降解PEO/Ag纳米复合材料。

特點和優勢

  • 高水溶性
  • 无毒
  • 水化快
  • 对生理系统的pH不敏感

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

分析證明 (COA)

輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號，寫有 ‘Lot’或‘Batch’.。

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Wang, X.-L., et al.
Jiangsu Huagong, 32, 27-27 (2004)
Yeonsu Jung et al.
Proceedings of the National Academy of Sciences of the United States of America, 118(3) (2021-01-13)
Mud nests built by swallows (Hirundinidae) and phoebes (Sayornis) are stable granular piles attached to cliffs, walls, or ceilings. Although these birds have been observed to mix saliva with incohesive mud granules, how such biopolymer solutions provide the nest with
Alexandre Goyon et al.
Electrophoresis, 39(16), 2083-2090 (2018-05-19)
The determination of mAb critical quality attributes (CQA) is crucial for their successful application in health diseases. A generic CZE method was developed for the high-resolution separation of various mAb charge variants, which are often recognized as important CQA. A
D D Smyth et al.
Cardiovascular drugs and therapy, 4(1), 297-300 (1990-02-01)
Previous studies have demonstrated that Separan AP-30, a drag-reducing polymer, significantly decreased the formation of atherosclerotic plaques in rabbits fed a high-cholesterol diet. Furthermore, Separan AP-273, a polymer similar to but longer than Separan AP-30, markedly increased cardiac output in
M Patel Geeta et al.
Current drug delivery, 6(2), 159-165 (2009-05-20)
Carbamazepine indicated for the control of epilepsy, undergoes extensive hepatic first-pass metabolism after oral administration. A vaginal dosage form of carbamazepine is not commercially available. Conventional suppository having poor retention in the vaginal tract, as they are removed in a
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