Polymeric article having high tensile energy to break when hydrated
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United States of America Patent
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Nov 28, 1989
Issued Date -
N/A
app pub date -
Jan 23, 1987
filing date -
Sep 21, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An article, suitable for use as a body implant, is made from a novel composition comprising a multiple phase polymer composition comprising: (a) a first phase which comprises a substantially non-hydrophilic polymeric component; and (b) a second phase which comprises a hydrophilic polymeric component; said composition (i) being capable of absorbing water to an extent that it softens with a softening ratio of at least about 2:1 and/or swells with a swelling ratio of at least about 1.3:1; and (ii) when substantially completely hydrated has an energy to break of at least about 700 N-cm/cm.sup.3 and a 2.5% Secant modulus of less than about 7,000 N/cm.sup.2.
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