Rebulkable nonwoven fabric

Details Rebulkable nonwoven fabric Rebulkable nonwoven fabric

1992-06-10

1993-03-30

Cannon, James C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

53430, 156281, 1563082, 242 551, B32B 3120, B32B 3126, B32B 3500, D04H 154

Patent

active

051980576

ABSTRACT:
Disclosed is a process for making bulky nonwoven fabric suitable for use in diaper constructions that comprises the steps of (a) forming a web of one or more layers comprised at least in part of thermoplastic bicomponent fibers, (b) bonding said web by means of a thru-air system, (c) compressing--either in a nip or by winding--the resulting bonded web to increase its density, (d) transporting and/or otherwise manipulating the compressed web, and (e) subsequently transforming said compressed web, by means of exposure to heat, into the low density bulky nonwoven fabric. The bulky nonwoven fabrics are particularly useful as diaper coverstock and as diaper spacer fabrics.

REFERENCES:
patent: 3669788 (1972-06-01), Allman et al.
patent: 4068036 (1978-01-01), Stanistreet
patent: 4548856 (1985-10-01), Ali Khan et al.
patent: 4601937 (1986-07-01), Lathasek
patent: 5143779 (1992-09-01), Newkirk et al.
Pirkkanen, Nonwovens World, Nov. 1987, pp. 56-57.

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