MODIFIED DIENE-CONTAINING (CO)POLYMER AND ITS USE AS A FLAME RETARDANT IN POLYMER AND BITUMINOUS COMPOSITIONS Russian patent published in 2023 - IPC C08C19/06 C08C19/12 C08C19/40 C08F8/18 

Abstract RU 2802716 C1

FIELD: modified diene-containing (co)polymers.

SUBSTANCE: invention relates to a modified diene-containing (co)polymer, which can be used as a flame retardant for polymer compositions. The diene-containing copolymer proposed in the invention is characterized by a temperature of 5% weight loss of at least 190°C, has a weight average molecular weight of at least 1500 g/mol and comprises halogen atoms in an amount of at least 35 wt.%; in addition to halogen atoms, the copolymer comprises at least one alkoxy group in the diene portion of the copolymer.

EFFECT: increased heat resistance, improved compatibility with polystyrene, and, in addition, the copolymer does not adversely affect the color of polystyrene when added to it, which allows the use of the modified copolymer as a flame retardant in polymer compositions.

15 cl, 5 dwg, 3 tbl, 13 ex

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RU 2 802 716 C1

Authors

Zorin Aleksandr Olegovich

Dates

2023-08-31Published

2022-10-14Filed