Method of felting open cell polychloroprene latex foam in reduce

Details Method of felting open cell polychloroprene latex foam in reduce Method of felting open cell polychloroprene latex foam in reduce

1991-11-25

1993-06-22

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264320, B29C 6720

Patent

active

052215083

ABSTRACT:
A method of felting an open cell polychloroprene latex foam layer to obtain desired properties. Such felting renders the finished foam suitable for controlled ink flow required for printing purposes. The felting is accomplished by reducing the volume of the foam and simultaneously heating at a temperature of 420.degree. to 480 .degree. F. for one half to two minutes, releasing the pressure for ten seconds to one minute and reapplying the pressure for an additional one half to two minutes.

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