Gerald M Cook

Address:

4821 Fox Chapel Rd, Fairfax, VA 22030

VIN:

WDDHF8HB6BA479842

Make:

MERCEDES-BENZ

Model:

E-CLASS

Year:

2011

US Patent:

44475705, May 8, 1984

Filed:

Mar 1, 1982

Appl. No.:

6/353445

Inventors:

Gerald R. Cook - Wyomissing PA
John G. Iacoviello - Allentown PA
Robert K. Pinschmidt - Allentown PA
George Davidowich - Allentown PA

Assignee:

Air Products and Chemicals, Inc. - Allentown PA

International Classification:

B32B 516
D04H 158

US Classification:

524127

Abstract:

A binder composition for nonwoven fabrics which comprises (a) a fugitive base salt of a phosphate ester surfactant or a carboxylate surfactant, (b) a latex comprising a vinyl acetate-ethylene-olefinically unsaturated carboxylic acid interpolymer colloidally suspended in water, the interpolymer containing about 0. 5 to 7. 0 weight percent olefinically unsaturated carboxylic acid and sufficient ethylene to provide the interpolymer with a glass transition temperature of from about -30. degree. to +20. degree. C. , and (c) a polyvalent metal complex compound comprising a polyvalent metal ion and counter ions or ligands which hinder interaction of the polyvalent metal ion with the carboxylate and phosphate groups of the surfactant and interpolymer at room temperature, but at elevated temperature permit such interaction because the counter ions or ligands are expelled or are replaced by the anionic group of the surfactant and interpolymer. Nonwoven fabrics, particularly diaper innerliners, bonded with such binder compositions possess good dry and wet tensile strengths and good low rewet properties.