German original BASF imported polyethyleneimine G-35, BASF 50% ethylenediamine terminated polyethyleneimine (C2H8N2)N. (C2H5N)N

G-35 Polyethyleneimine homopolymer

CAS: 25987-06-8

Chemical name Polyethyleneimine homopolymer

English name Polyethylenimine

Molecular formula: (CH2CH2NH)n

Content 50% 99%

Molecular weight 600 1050 1500 10000 70000

Exterior view Colorless or light yellow liquid

PH value 11-12

Use amount 0.1-10mg/l

It is used as a primary brightener and grain refiner to improve the dispersion ability. It is used for alkaline zinc plating, copper plating, tin plating and tin alloy, aluminum plating and aluminum alloy. A water-soluble polymer has hygroscopicity, Soluble in water and ethanol, insoluble in benzene. Commercially available products are usually 20% to 50% strength aqueous solutions. The degree of polymerization used in the paper industry is about 100. The aqueous solution is positive. The pH of the 5% aqueous solution is 8 to 11. It will gel in the presence of acid. Polyethyleneimine has high reaction activity, can react with the base in cellulose and crosslink and polymerize, so that the paper produces wet strength and has a dry strengthening effect. The presence of any acid, alkali and aluminum sulfate will affect its wet strength and retention rate. It is mainly used as a wet strength agent for unsized absorbent paper (such as filter paper, ink-absorbing paper, toilet paper, etc.), but its damage Paper is more difficult to handle

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