Water absorbing article

Details Water absorbing article Water absorbing article

1982-05-03

1988-12-27

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428409, 604312, A41B 1302, A61F 1316

Patent

active

047940344

ABSTRACT:
A sanitary, liquid-absorbing article has as surface material a non-woven fabric comprising two layers integrated by a binder, the first layer having a basis weight of 5 to 15 g/m.sup.2, the second layer having a basis weight of 20 to 45 g/m.sup.2, wherein when the non-woven fabric is in the wet state, E=K.rho..sub.F.sup.a ; .rho..sub.FO .ltoreq.1.2.times.10.sup.-2 g/cm.sup.3 ; and K.gtoreq.1.2.times.10.sup.6 as defined in the following compression characteristic formula of the non-woven fabric: ##EQU1## wherein E is a Young's modulus (g/cm.sup.2), P is a pressure (g/cm.sup.2), .rho..sub.F is an apparent specific weight (g/cm.sup.3) and .rho..sub.FO is a .rho..sub.F value when the pressure is 0 g/cm.sup.2.

REFERENCES:
patent: 4077410 (1978-03-01), Butterworth et al.
patent: 4102340 (1978-07-01), Nesek et al.

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