WO9409886-A1  Contract Number DE- FG03-90ER81066;  K. Takada et al. ("Gas Permeability of Polyacetylenes Carrying Substituents", Journal of Applied Polymer Science, Vol. 30, pages 1605-1616, 1985;  M. Langsam et al. ("Substituted Propyne Polymers. I. Chemical surface modification of poly[1-(trimethylsilyl)propyne] for gas separation membranes", Gas Separation and Purification, Vol. 2, pages 162-170, 1988;  N.A. Plate et al. ("Gas and vapor permeation and sorption in poly(trimethylsilylpropyne", Journal of Membrane Science, Vol. 60, pages 13-24, 1991;  S. Asakawa et al. ("Composite membrane of poly[1-(trimethylsilyl)-propyne] as a potential oxygen separation membrane", Gas Separation and Purification, Vol. 3, pages 117-122, 1989;  S.R. Auvil et al. ("Mechanisms of gas transport in poly(1-trimethylsilyl-1 propyne), Polymer Preprints, Vol. 32 (3), pages 380-383, 1991;  T. Nakagawa et al. ("Polyacetylene derivatives as membranes for gas separation", Gas Separation and Purification, Vol. 2, pages 3-8, 1988;  W.J. Koros et al., J. Membrane Science, Vol. 2, page 165, 1977;  See also references of EPA 0667803;  See also references of EP 0667803A1EP667803-A1  See also references of WOA 9409886US5501722-A  K. Nakagawa et al., "Polyacetylene Derivatives as Membranes for Gas Separation", Gas Separation and Purification, vol. 2, pp. 3-8, 1988;  K. Takada et al., "Gas Permeability of Polyacetylenes Carrying Substituents", Journal of Applied Polymer Science, vol. 30, pp. 1605-1616, 1985;  M. Langsam et al., "Substituted Propyne Polymers", Gas Separation and Purification, vol. 2, pp. 162-170, 1988;  M. Langsam et al., "Substituted Propyne Polymers", Polymer Engineering and Science, vol. 29, pp. 44-54, 1989;  N. A. Plate et al., "Gas and Vapor Permeation and Sorption in Poly(trimethylsilylpropyne)", Journal of Membrane Science, vol. 60, pp. 13-24, 1991;  S. Asakawa et al., "Composite Membrane of Poly[1-(trimethylsilyl)-propyne] as a Potential Oxygen Separation Membrane", Gas Sep. & Purif., vol. 3, pp. 117-122, 1989;  S. R. Auvil et al., "Mechanisms of Gas Transport in Poly(1-trimethylsilyl-propyne)", Polymer Preprints, vol. 32 (3), pp. 380-383, 1991