COMPOSITION FOR POLYMER SORBENT Russian patent published in 2021 - IPC B01J20/26 

Abstract RU 2754806 C1

FIELD: polymers.

SUBSTANCE: invention relates to technology for protection of the environment, particularly, to polymer compositions for producing sorbents. The composition for a polymer sorbent comprises a carbamide formaldehyde resin, a foaming agent - alkylbenzenesulphonic acid, a hardener - orthophosphoric acid (73%), BHPO coal (a product of biochemical processing of off-grade natural cinder) and water.

EFFECT: reduced brittleness and decreased toxicity of the foamed material, increased efficiency of the sorbent (under conditions of lower temperatures in the Far North) produced from the claimed composition.

1 cl, 3 tbl

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RU 2 754 806 C1

Authors

Ershov Dmitriy Vasilievich

Dates

2021-09-07Published

2020-07-07Filed