Latex containing odor inhibitor

Details Latex containing odor inhibitor Latex containing odor inhibitor

1983-12-27

1985-02-26

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

427 36, 427332, 428288, 428290, 428905, 428913, 524831, B32B 700

Patent

active

045017891

ABSTRACT:
A nonwoven fabric repellent to body fluids and having reduced odor on sterilization by irradiation or steam is made by bonding nonwoven fibers with a latex, forming said nonwoven fabric, and sterilizing said fabric, said latex is prepared by polymerizing, in the presence of 0.1 to 2 weight parts of a free radical initiator and a sufficient amount of a nonionic or anionic emulsifier, 65 to 85 weight parts of a soft hydrophobic monomer having Tg of -80.degree. C. to -20.degree. C., 10 to 30 weight parts of a hard hydrophobic monomer having Tg of +40.degree. C. to +120.degree. C., 0.1 to 5 weight parts of an unsaturated carboxylic acid containing 3 to 6 carbon atoms, and 0.1 to 5 weight parts of N-alkylol acrylamide or methacrylamide containing 1 to 10 carbon atoms, said latex has post-added and admixed therein 0.01 to 5 weight parts of an odor inhibition agent selected from amine-type antioxidants and hindered phenols that function to reduce odor of said fabric on sterilization thereof.

REFERENCES:
patent: 2987421 (1961-06-01), Sherwood
patent: 3318722 (1967-05-01), Ullman
patent: 4107120 (1978-08-01), Plamondon et al.
patent: 4166882 (1979-09-01), Das et al.
patent: 4340057 (1982-07-01), Block et al.
patent: 4455342 (1984-06-01), Fink et al.

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