MULTILAYER HEAT-INSULATING TEXTILE MATERIAL FOR AN INSERTED WARMING STOCKING FOR WINTER FOOTWEAR Russian patent published in 2022 - IPC A43B19/00 B32B7/00 A43B7/34 

FIELD: textiles.

SUBSTANCE: invention relates to the textile industry, namely, to production of multilayer heat-insulating materials used in the production of winter footwear as an inserted warming stocking for winter footwear, for example, high boots. The multilayer heat-insulating textile material is made flexible and includes a front layer in the form of a polymer metallised film, a second layer in the form of a non-woven fabric made of chemical fibres, a third layer in the form of a polymer metallised film, a fourth layer in the form of a non-woven camel wool fabric; the fifth layer is the foot-facing inner layer in the form of artificial fur made of camel wool, wherein the first four layers are fastened by the needle-punch method, and the fifth layer is attached to the first four layers by an adhesive method.

EFFECT: material exhibits high operating characteristics, primarily heat-protective properties, due to the increase in the heat resistance thereof and the increase in the comfort thereof on the foot of the wearer.

2 cl, 3 dwg, 5 tbl, 2 ex