Polymer material for medical instruments and method for production of the polymer material
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United States of America Patent
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Apr 7, 1998
Grant Date -
N/A
app pub date -
Jul 11, 1996
filing date -
Feb 9, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A polymer material (6) is formed from a first polyethylene component (1) having a low density (VLDPE) which is silane-grafted with an organic silane (3) in combination with organic peroxide (4) and is cross-linked through storage in a damp environment and/or in water. The polymer material (6) can be processed into medical instruments under dry conditions prior to cross-linkage. After cross-linkage the medical instruments made from the polymer material (6) exhibit a high degree of transparency, are non-buckling and flexible. The polymer material (6) is produced in an extruder, preferentially in a double-worm extruder.
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