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OwnerAnagnostis E. Zachariadesinventor
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A single-phase composite structure of filamentary and non-filamentary semicrystalline morphology made from the same polymer, which is of a type capable of gelling in a suitable solvent and of being deformed into a high-modulus, high-strength product. Layers of the polymer in sheet form are interleaved with at least one layer, also of that polymer, made from filaments thereof. The method of making the product may involve heating a sheet of UHMWPE or other polymer gel (5% UHMWPE in 95% paraffin oil, by weight) to 125.degree. C., applying a knitted UHMWPE high modulus, high-strength structure on one side thereof, extracting the non-volatile paraffin oil therefrom with hexane, and evaporating the hexane.
A single phase composite structure of a filamentary reinforcing component and a non-filamentary matrix component made from the same semicrystalline linear polymer with a weight average molecular weight of at least 500,000, which is capable of forming a pseudo-gel in a solvent compatible with forming such pseudo-gel and of being processed into a high modulus, and high strength fibrillar product with a tensile modulus of at least 10 GPa and a tensile strength of at least 0.5 GPa, said composite structure comprising:
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