Method of making an elastomeric film

Details Method of making an elastomeric film Method of making an elastomeric film

1990-06-07

1991-07-23

Tentoni, Leo B.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156163, 156229, 15624411, 15624424, 156290, 264171, 2642102, 2642106, 264211, 264230, 2642356, 2642884, 2642896, 2642902, 264342RE, B29C 4706, B29C 5508, B29C 6102, B32B 3130

Patent

active

050340786

ABSTRACT:
This invention provides a process for preparing a heat shrinkable film by extruding a blend of elastomer, hydrocarbon oil and polyolefin to form a film, stretch orienting the film to form a stretched film, annealing the stretched film while still under stress, then cooling while further maintaining stress on the film. This invention further provides a process for preparing an elasticized composite material by attaching strips of the heat shrinkable film to a flexible substrate and then heating the composite.

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