Hydrogel blends

C - Chemistry – Metallurgy – 08 – L

Patent

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400/2001, 400/51

C08L 29/04 (2006.01)

Patent

CA 1273730

ABSTRACT An article suitable for use as a body implant is made from a novel 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 poly- meric component; said composition (i) being capable of absorbing water to an extent that it softens with a softening ratio of at least about 3:1 and/or swells with a swelling ratio of at least about 1:1.5; and (ii) when substantially completely hydrated has an energy to break of at least about 1,000 inch-pounds per cubic inch and a 2.5% Secant modulus of less than about 10,000 pounds per square inch.

491425

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