Lightweight orthopedic cast material

Details Lightweight orthopedic cast material Lightweight orthopedic cast material

A - Human Necessities

61

F

128/40

A61F 5/04 (2006.01) A43D 1/02 (2006.01) A61F 13/04 (2006.01) A61L 15/07 (2006.01)

Patent

CA 1044546

INVENTION: LIGHTWEIGHT ORTHOPEDIC CAST MATERIAL INVENTORS: LOUIS F. NIENART, ROBERT C. LINARES, PAUL JEGES, and Z. BLANK Abstract of the Invention A system for forming a rigid orthopedic structure com- prising bandage material impregnated with at least about 10% by weight of a member of the group consisting of a monomer of the formula: Image wherein R1 is an acrylic substituent and each R2 independently is H, CH2OH or CH2CH2OH, a prepolymer of said monomer and mixtures thereof; and a dual component curing system for said impregnated bandage including: a first curing component comprising an organic peroxide and a volatile solvent therefor and a second curing com- ponent comprising a tertiary amine polymerization promoter. The invention also discloses a process for curing in situ a bandage preimpregnated with a monomer or prepolymer or mixture thereof which is characterized by having active sites capable of further reaction, and which is curable with a dual curing system including an organic peroxide and a polymerization promoter by applying the two curing components to the bandage simultaneously.

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