FIELD: process for manufacture of fibrous covering material wherein polyvinyl alcohol fiber is used as binder.
SUBSTANCE: method involves the following steps: dispersing stapled single filaments and stapled polyvinyl alcohol fiber in process water; forming layer in forming apparatus by discharging dispersion onto forming fabric, through which forming fabric process water is discharged while single filaments and fiber are settled on said fabric; providing thermal processing using thermal processing apparatus. Polyvinyl alcohol fiber imparts rigidity to layer of formed fiber.
EFFECT: increased tensile strength of resultant covering material and reduced content of binder.
22 cl, 1 dwg
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