Process of producing a composite macrostructure of organic and i

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Of inorganic materials

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264 49, 264127, 264233, 264344, B28C 300, B29C 7100

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active

048593834

ABSTRACT:
A composite self-supporting flexible agglomerated macrostructure is described which includes (1) a matrix of unfibrillated polytetrafluoroethylene resin and addition curable silicone and (2) particulate material including hydroxyapatite and/or tricalcium phosphate uniformly distributed throughout said matrix, the macrostructure being uniformly permeated by a network of open pores formed in the process of manufacture by intimately blending particulate sodium chloride and subsequently leaching the sodium chloride particles.

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