Abstract: Polyester compositions useful to improve the impact and heat distortion properties of polyethylene terephthalate, providing the polyethylene terephthalate with both high notched Izod properties and high heat distortion properties. The composition is the reaction of a terpolymer of ethylene, an acrylate or a methacrylate, and glycidyl methacrylate with polyethylene terephthalate in the presence of at least one elastomer such as a copolymer of ethylene and 1-octene, and polypropylene, an ethylene propylene copolymer, polybutyleneterephthalate, polycyclohexanedimethanolterephthalate, or mixtures thereof, having a melt flow of about 6 to about 15 g/10 min. The product has a notched Izod value of at least about 4 ft. lbs/in and a heat distortion temperature of about 150° C. to about 190° C.
Abstract: Discrete non-clumping mechanically stable geometric alloyed material shapes having about 55-95% by weight thermoplastic elastomer and about 5-45% thermoplastic polymer and about 0-12% by weight filler are used for removing organic contaminates from contaminated fluids. The shapes are typically spheres having a maximum dimension of 0.125 inches, or circular discs having a thickness of less than 6 millimeters. The shapes are put in a loose form or packing, and a fluid containing organic contaminants (such as water, air, or a soil slurry) is brought into contact with the shapes so that the shapes absorb organic contaminants from the fluid, typically absorbing more than 90% of the contaminants in the first pass through. The contaminated fluid is typically passed through an ozone generator before being brought into contact with the shapes. The shapes may be foamed, e.g. utilizing about 0.1-10% by weight foaming agent.
Abstract: Polyester compositions useful to improve the impact and heat distortion properties of polyethylene terephthalate, providing the polyethylene terephthalate with both high notched Izod properties and high heat distortion properties. The composition is the reaction of a terpolymer of ethylene, an acrylate or a methacrylate, and glycidyl methacrylate with polyethylene terephthalate in the presence of at least one elastomer such as a copolymer of ethylene and 1-octene.
Abstract: A method and compositions for removing organic contaminants from contaminated liquid, gas, or soil in fluent form are easily practiced and handled, highly absorbent, and readily collected. A foamed sheet, film, strands, or filament mat is formed from a composition comprising 5-49% by weight polystyrene, polypropylene, or other polymer; about 0-1% by weight blowing agent such as sodium tetraborate; and substantially the balance of elastomeric material. Contaminated liquid, gas, or soil in fluid form, or mixtures thereof into contact with the sheet, film, strands, or mat, so that the sheet, film, strands, or mat absorb at least 90% (typically at least 100%) of their weight of organic contaminants from the contaminated material. A sheet or film may be formed by extruding through a sheet or film die a composition of 10-45% polystyrene, 0.