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Polysciences 23966-2 聚乙烯亚胺

点击次数:34发布时间:2016/12/13 11:27:42

Polysciences 23966-2 聚乙烯亚胺

更新日期:2023/10/7 10:42:13

所 在 地:中国大陆

产品型号:23966-2

简单介绍:Linear polyethylenimines (PEIs) contain all secondary amines, in contrast to branched PEIs which contain primary, secondary and tertiary amino groups.

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详细内容

 Linear polyethylenimines (PEIs) contain all secondary amines, in contrast to branched PEIs which contain primary, secondary and tertiary amino groups.The linear PEIs are solids at room temperature where branched PEIs are liquids at all molecular weights. One end of the polymer chain methyl; other end hydroxyl.

Contains up to 7-8% of poly(2-ethyl-2-oxazoline)

Formula:

(C2H5N)x

Molecular Weight: 25,000

Melting Point: 73-75℃

Soluble In: hot water, cold water at low pH, methanol, and ethanol. Insouble in: benzene, ethyl ether, acetone and cold water.Insouble in: benzene, ethyl ether, acetone and cold water.

TSCA

Hazards: Unknown

Handling: Gloves & fume hood

Storage: Store at room temperature


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