Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1987-03-13
1989-09-05
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428198, 428284, 428286, 428287, 428297, 428298, 428340, 428903, D06N 704
Patent
active
048637793
ABSTRACT:
Describes improved composite material comprising an elastic web preferably formed of collected, entangled, nonwoven fibers comprising a copolymer made of ethylene and at least one other vinyl monomer selected from the group including vinyl ester monomers and unsaturated aliphatic monocarboxylic acids and alkyl esters of these monocarboxylic acids, where the amount of monomer other than the ethylene in the copolymer is sufficient to impart elasticity to a cohesive nonwoven web formed from melt-blown fibers of the material. This elastic web is bonded to at least one other web, and preferably is interrelated between two other nonwoven webs of spun-bonded or melt-blown fibers. Discloses processes of making these composite materials. The composites are useful for protective covers and wraps, outerwear, undergarments, menstrual and incontinence control articles, and garments such as disposable diapers and the like.
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"A System Approach to Nonwovens Production" by W. John McCulloch and F. J. Steinlinger--Pages 7 and 13.
Shell Chemical Company Technical Bulletin SC:198-83, pp. 1-6, 9-20.
Shell Chemical Company Technical Bulletin SC:165-77, pp. 1-6.
Bell James J.
Kimberly-Clark Corporation
Sidor Karl V.
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