TEXTILE PRODUCTS OF PLANE FORM FOR PREVENTION OF PENETRATION AND WATER DISTRIBUTION IN CABLES Russian patent published in 2018 - IPC D06M10/00 D06M14/18 D06M15/263 H01B7/288 

FIELD: textile and paper.

SUBSTANCE: invention relates to flat-form textile article (1, 1’) to prevent penetration and propagation of water in cables including at least one layer (2), which is made in form of web, nonwoven, fabric, knitted article and / or textile flat product with bonded fibers and at least partially covered with absorbent material (3) and has pores (4), while pores (4) under affect of liquid can be at least partially closed due to swelling of absorption material (3) and absorbent material (3) is permanently attached to textile layer (2) at least in separate areas, has tensile strength in MD of more than 50 N/5 cm measured according to DIN ISO 9073-3, and can be produced by method comprising following process steps: a) pore treating (4) layer (2) with mixture containing polymerizable monomer, polymerizable monomer being selected from group consisting of acrylic acid, methacrylic acid, amides, vinyl sulfonic acids and mixtures thereof, and crosslinking agent as semi-finished product for absorption material (3), wetting agent and initiator, and b) polymerizing monomer to form absorbent material (3) when forming at least partially integral joint between absorption material (3) and layer, flat product has breathability according to DIN EN ISO 9237 in dry state of more than 200 dm³/(m²⋅s).

EFFECT: preventing penetration and spread of water in cables.

14 cl, 7 dwg