Nonwoven products having low residual free formaldehyde content

Details Nonwoven products having low residual free formaldehyde content Nonwoven products having low residual free formaldehyde content

1983-04-01

1984-05-22

Cannon, James C.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

4273899, 428290, A61F 1316, B05D 302, B32B 2316, D04H 164

Patent

active

044499787

ABSTRACT:
A nonwoven product formed from a nonwoven web of fibers bonded together with a binder comprising an interpolymer of vinyl acetate/ethylene/N-methylol acrylamide/acrylamide, the interpolymer comprising about 5 to 40 wt % ethylene and an amount of N-methylol acrylamide and acrylamide which is about 3.0 to 10 wt % of the interpolymer, the N-methylol acrylamide being about 1.75 to 3.5 wt % and the acrylamide about 1.25 to 8.25 wt %. Such nonwoven products have a low residual free formaldehyde content and good tensile properties.

REFERENCES:
patent: 3081197 (1963-03-01), Adelman
patent: 3137589 (1964-06-01), Reinhard et al.
patent: 3380851 (1968-04-01), Lindemann et al.
patent: 3732184 (1973-05-01), Lindemann et al.
patent: 3922462 (1975-11-01), Katz et al.
Pierce et al., Textile Res. J., (1973) pp. 294-299.
Hebeish, Textile Res. J., (1976) pp. 465-466.
Chemical Abstracts 68: 70145; 69: 20384; 76: 47347.

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