	US 12,122,137 B2
	Fibrous structure-containing articles that exhibit consumer relevant properties
Christopher Michael Young, Loveland, OH (US); Michael Gomer Stelljes, Mason, OH (US); Michael Donald Suer, Cincinnati, OH (US); Timothy James Klawitter, North Bend, OH (US); Steven Lee Barnholtz, West Chester, OH (US); Jeffrey Glen Sheehan, Symmes Township, OH (US); Paul Dennis Trokhan, Hamilton, OH (US); and James Roy Denbow, Mason, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Mar. 27, 2023, as Appl. No. 18/190,606.
Application 18/190,606 is a continuation of application No. 15/785,689, filed on Oct. 17, 2017, granted, now 11,667,103.
Claims priority of provisional application 62/409,202, filed on Oct. 17, 2016.
Prior Publication US 2023/0226800 A1, Jul. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. D21H 27/00 (2006.01); B31F 1/16 (2006.01); B32B 5/08 (2006.01); B32B 5/14 (2006.01); B32B 5/26 (2006.01); B32B 27/10 (2006.01); B32B 27/12 (2006.01); B32B 27/32 (2006.01); B32B 29/02 (2006.01); D01D 5/18 (2006.01); D04H 1/26 (2012.01); D04H 1/407 (2012.01); D04H 1/425 (2012.01); D04H 1/4374 (2012.01); D04H 1/593 (2012.01); D04H 1/60 (2006.01); D21H 13/10 (2006.01); D21H 15/10 (2006.01); D21H 21/20 (2006.01); D21H 27/02 (2006.01); D21H 27/30 (2006.01); B31F 1/12 (2006.01); D01D 5/098 (2006.01); D04H 1/4218 (2012.01); D04H 1/4309 (2012.01); D04H 1/435 (2012.01); D04H 1/4358 (2012.01)

CPC B32B 5/145 (2013.01) [B31F 1/16 (2013.01); B32B 5/08 (2013.01); B32B 5/26 (2013.01); B32B 27/10 (2013.01); B32B 27/12 (2013.01); B32B 27/32 (2013.01); B32B 29/02 (2013.01); D01D 5/18 (2013.01); D04H 1/26 (2013.01); D04H 1/407 (2013.01); D04H 1/425 (2013.01); D04H 1/4374 (2013.01); D04H 1/593 (2013.01); D04H 1/60 (2013.01); D21H 13/10 (2013.01); D21H 15/10 (2013.01); D21H 21/20 (2013.01); D21H 27/002 (2013.01); D21H 27/004 (2013.01); D21H 27/005 (2013.01); D21H 27/007 (2013.01); D21H 27/02 (2013.01); D21H 27/30 (2013.01); B31F 1/126 (2013.01); B32B 2250/20 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/062 (2013.01); B32B 2307/54 (2013.01); B32B 2307/546 (2013.01); B32B 2555/00 (2013.01); D01D 5/0985 (2013.01); D04H 1/4218 (2013.01); D04H 1/4309 (2013.01); D04H 1/435 (2013.01); D04H 1/4358 (2013.01); Y10T 442/693 (2015.04)]

20 Claims

1. A multi-ply osmotic material-free article comprising:

a. a first ply comprising: a plurality of wood pulp fibers at least a first portion of which are present in the form of a wet laid fibrous structure and a plurality of filaments wherein at least a portion of the plurality of filaments are spun from a die and directly laid on top of the wet laid fibrous structure and wherein a second portion of the plurality of wood pulp fibers are commingled together with another portion of the plurality of filaments in the form of a coform fibrous structure such that the multi-ply osmotic material-free article exhibits; and

b. a second ply comprising a second wet laid fibrous structure comprising a plurality of wood pulp fibers associated with the first ply such that the multi-ply fibrous structure exhibits

a. one or more absorbent characteristics selected from the group consisting of:

i. HFS of greater than 17 g/g as measured according to the Horizontal Full Sheet (HFS) Test Method;

ii. CRT Rate of greater than 0.35 g/second as measured according to the Absorptive Rate and Capacity (CRT) Test Method;

iii. CRT Capacity of greater than 14 g/g as measured according to the Absorptive Rate and Capacity (CRT) Test Method;

iv. CRT Capacity of greater than 0.59 g/in²as measured according to the Absorptive Rate and Capacity (CRT) Test Method; and

v. a Pore Volume Distribution such that greater than 15% of the total pore volume present in the multi-ply osmotic material-free article exists in pores of radii of greater than 225 μm as measured according to the Pore Volume Distribution Test Method; and

vi. a Pore Volume Distribution such that greater than 6% of the total pore volume present in the multi-ply osmotic material-free article exists in pores of radii of from 301 to 600 μm as measured according to the Pore Volume Distribution Test Method; and

b. one or more of the following article properties:

i. one or more wet strength properties selected from the group consisting of:

(1). Geometric Mean Wet TEA of greater than 30 g*in/in²as measured according to the Wet Tensile Strength Test Method;

(2). Wet Burst: Dry Burst Ratio of greater than 0.5 as measured according to the Wet and Dry Burst Test Methods;

(3). Wet Burst Energy Absorption (BEA) of greater than 10 g-in/in²as measured according to the Wet Burst Test Method;

(4). Wet MD Tensile of greater than 420 g/in as measured according to the Wet Tensile Strength Test Method; and

(5). Wet Burst of greater than 450 g as measured according to the Wet Burst Test Method;

ii. a VFS of greater than 11 g/g as measured according to the Vertical Full Sheet (VFS) Test Method;

iii. a Pore Volume Distribution such that greater than 5% of the total pore volume present in the multi-ply osmotic material-free article exists in pores of radii from 2.5 to 30 μm as measured according to the Pore Volume Distribution Test Method;

iv. one or more softness properties selected from the group consisting of:

(1) an Overhang Length of less than 10.6 cm as measured according to the Flexural Rigidity and Bending Modulus Test Method;

(2) a Plate Stiffness, Basis Weight Normalized of less than 0.20 N*mg/M as measured according to the Plate Stiffness and Basis Weight Test Methods;

(3) a Bending Modulus of less than 9.0 milligram·cm·grams/mils³as measured according to the Flexural Rigidity and Bending Modulus Test Method;

(4) a TS7 Value of less than 17.0 dB V²rms as measured according to the Emtec Test Method;

(5) a TS750 Value of greater than 20.0 dB V²rms as measured according to the Emtec Test Method; and

(6) a Geometric Mean Dry Modulus of less than 2250 g/cm*% at 15 g/cm as measured according to the Dry Tensile Strength Test Method.