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(19)

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2 819 916

(13)

(51)

IPC

C08L63/00(2006-01-01)

C08K3/34(2006-01-01)

C08K3/32(2006-01-01)

C08K5/17(2006-01-01)

C09D5/18(2006-01-01)

C09D163/00(2006-01-01)

(21) (22)

Application

2023104447, 2023-02-28

(24)

Start date

2023-02-28

(22)

Actual filing date

2023-02-28

(45)

Published

2024-05-28

(72)

Inventor

Shuklin Sergei Grigorevich

(73)

Holder

Federalnoe Gosudarstvennoe Biudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniia Gosudarstvennyi Universitet"

FIRE-RETARDANT COMPOSITION Russian patent published in 2024 - IPC C08L63/00 C08K3/34 C08K3/32 C08K5/17 C09D5/18 C09D163/00

Abstract RU 2819916 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a fire-retardant composition for intumescent coatings and can be used in construction, automotive industry and chemical engineering. Fire-retardant composition for intumescent coatings consists of epoxy resin “ЭД-20”, ammonium polyphosphate and wollastonite, curable with polyethylene polyamine (PEPA) curing agent, at the following ratio of components in the composition, g: Epoxy resin “ЭД-20”—15, PEPA—2.25, ammonium polyphosphate—4.5, Wollastonite—0.75 or 1.0.

EFFECT: improved fire-retardant properties of the polymer composition for intumescent coatings and coked cellular material due to the fact that wollastonite is added to the composition, which, being a structure-forming agent, orders the structure of the polymer matrix and coked cellular material, and also promotes uniform distribution of gas bubbles in coked cellular material.

1 cl, 1 tbl, 6 ex

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RU 2 819 916 C1

Authors

Shuklin Sergei Grigorevich

Dates

2024-05-28—Published

2023-02-28—Filed