METHOD FOR OBTAINING TWO-COMPONENT FIRE-RESISTANT DOWN INSULATION Russian patent published in 2022 - IPC D04H1/04 

Abstract RU 2786995 C1

FIELD: textile industry.

SUBSTANCE: present invention relates to the textile industry and can be used in the production of fire-resistant non-cohesive insulation with characteristics close to natural waterfowl fluff, obtained as a result of aerodynamic mixing of two components, one of which is fluff, and the second is synthetic yarn and is a single cyclically repeatable sequential discrete technological process, including cutting yarn with subsequent separation into individual staple fibers using gradient air flows and further mixing with waterfowl down, moreover, flame retardant yarn with properties of inhibiting gas-phase flame reactions is used as a fibrous component.

EFFECT: fire-resistant non-cohesive insulation and synthetic yarn production.

1 cl, 2 dwg, 1 tbl

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RU 2 786 995 C1

Authors

Brink Ivan Yurevich

Gorchakov Vyacheslav Vladimirovich

Klushin Viktor Aleksandrovich

Redkina Olga Vasilevna

Sirotkin Aleksandr Yurevich

Shirshov Evgenij Evgenevich

Dates

2022-12-27Published

2022-06-10Filed