Bonded nonwoven fabrics suitable for diaper coverstock

Details Bonded nonwoven fabrics suitable for diaper coverstock Bonded nonwoven fabrics suitable for diaper coverstock

1980-10-20

1982-10-26

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

128156, 128155, 128284, 128287, 428297, 428913, 524824, 524833, D04H 158

Patent

active

043562299

ABSTRACT:
This invention concerns a nonwoven fabric particularly adapted for use as a diaper coverstock. The fabric consists essentially of fibers and a binder wherein at least 50%, by weight, of the fibers are hydrophobic fibers. The binder comprises a water insoluble, hydrophobic, emulsion copolymer of ethylenically unsaturated monomers comprising (A) 1 to 8% by weight of a monoethylenically unsaturated carboxylic acid, or a mixture thereof, (B) 50 to 75% by weight of a C.sub.4 to C.sub.8 alkyl acrylate or a mixture thereof, and (C) 20 to 49% by weight of methyl methacrylate, styrene, .alpha.-methyl styrene or a mixture thereof. The fabric has sufficient wet tensile strength for use as a diaper coverstock.

REFERENCES:
patent: 2931749 (1960-04-01), Kine
patent: 3020178 (1962-02-01), Sweeney
patent: 3157562 (1964-11-01), Kine
patent: 3554788 (1971-01-01), Fechillas
patent: 3616166 (1971-10-01), Kelley
patent: 4066584 (1978-01-01), Allen
patent: 4148987 (1979-04-01), Winey

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