METHOD FOR PRODUCING NONWOVEN FABRIC FROM SPUNBOND NONWOVEN MATERIAL WITH HIGH ELASTICITY Russian patent published in 2024 - IPC D01D5/22 

Abstract RU 2811530 C2

FIELD: fabric manufacturing.

SUBSTANCE: present invention is related to a method for producing a nonwoven fabric from a spunbond nonwoven material with high elasticity containing crimped multicomponent fibres, the method includes continuous spinning of the fibres, directing the fibres onto the spinning conveyor by means of deflectors and/or air flows, laying out the fibres on the spinning conveyor and preliminary consolidation of the fibres after lay-up using one or more pre-consolidation rolls to form a pre-consolidated mesh, wherein the first fibre component comprises a PP homopolymer and the second fibre component comprises a PP/PE copolymer, wherein the pre-consolidation rolls operate at temperatures below 110°C and/or with a linear contact force less than 5 N/mm.

EFFECT: method for producing nonwoven fabric is proposed.

18 cl, 10 tbl, 4 dwg

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RU 2 811 530 C2

Authors

Hansen, Morten, Rise

Broch, Thomas

Sommer, Sebastian

Dates

2024-01-15Published

2020-12-15Filed