Hide/polymer and leather/polymer composite materials formed by i

Details Hide/polymer and leather/polymer composite materials formed by i Hide/polymer and leather/polymer composite materials formed by i

1996-11-26

1998-09-22

Clardy, S. Mark

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

428540, 4283066, 428447, B32B 902

Patent

active

058111220

ABSTRACT:
Hide/leather-polymer composite materials are provided by the impregnation of polymer systems into interstitial void spaces in the collagen fiber network of the hide/leather precursors, providing a broad spectrum of composite materials possessing a wide variety of bulk mechanical properties. Preferably, the polymer systems employed in the inventive composites are bismaleimides, when high modulus, strength and flexural modulus are desired, and siloxane-based polymers, when elastomeric bulk properties are desired.

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Buechler, P.R. et al., "Radiation Polymerized Graft Copolymers for Leather"; Renewable-Resource Materials (C.E. Garraher, Jr. and L. H. Sperling, Eds.) (Plenum Press, New York, 1986) pp. 251-258.
Harris, E.H., "Graft Polymerization. III. Some Properties of teh Leather Obtained . . . Onto Chrome-Taned Nigerian Hairsheep", J. Am. Leather Chem. Assoc., 69, 182 (1974).
Jordan, E.F. et al., "Polymer-Leather Composites. I. Process and Location Study . . . by Polymerization into Chrome-Tanned Cattlehide", J. Appl. Poly. Sci. 25, 2621-2647 (1980).
Jordan, E.F., Jr. et al, "Polymerization-Leather Composites. II. Kinetics of the Deposition . . . into Chrome-Tanned Cattlehide", J. Appl. Polm. Sci. 25, 2755-2776 (1980).
Jordan, E.F., Jr. et al., "Polymer-Leather Composites v. Preparative Methods . . . Polymer-leather Composite Materials", Polymer Applications of Renewable-Resource Materials (Polymer Science and Technology, vol. 17) (C.E. Carraher, Jr. and L.H. Sperling, Eds.) (Plenum Press, New York, 1983) pp. 407-452.
Kronick, P.L. et al., "Viscoelasticity of Calf Hide Impregnated with Radiation-Polymerized Polyhydroxyethyl Methacrylate", Renewable Resource Materials (C.E. Carraher, Jr. and L.H. Sperling, Eds.) (Plenum Press, New York, 1986) pp. 235-250.
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Rao, K.P. et al., "Characterization of the Collagen-Vinyl . . . II. Infared Spectra and electron Microscopy", J. Appl. Polymer Sci., 16, 975-0986 (1972).
Rao, K.P. et al., "Characterization of the Collagen-Vinyl . . . I. Solution Properites", J. Appl. Polymer Sci., a-1, 9, 3199-3212 (1971).

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