Composite elastic necked-bonded material

Details Composite elastic necked-bonded material Composite elastic necked-bonded material

1995-05-30

1996-05-07

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428284, 428286, 428297, 428298, 428903, 428198, 428253, 428252, 156229, 15624427, B32B 700

Patent

active

055144705

ABSTRACT:
The present invention provides a composite elastic necked-bonded material including at least one necked material joined to at least one elastic sheet. The composite elastic necked-bonded material is stretchable in a direction generally parallel to the direction of constriction or necking of the necked material. Also disclosed is a method of producing a composite elastic necked-bonded material by extruding a film of substantially molten elastomer through a die tip; depositing the extruded elastomeric film onto a tensioned, necked material within from about 0.1 to about 1 second of exiting the die tip to form a multilayer material; and then immediately applying pressure to the multilayer material to bond the tensioned, necked material to the elastomeric film.

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Muehlner, Roland O., "Kraton thermoplastic elastomer," Modern Plastics Encyclopedia,McGraw-Hill, vol. 51, No. 10A, pp. 115-116.

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