Abstract:
ORAGNOPOLYSILOXANES ARE PROVIDED WHEREIN THE ORGANOPOLYSILOXANES HAVE EITHER A TERMINAL ALIPHATICALLY UNSATURATED AMIC ACID OR ALIPHATICALLY UNSATURATED SILYLATED AMIC ACID GROUP ATTACHED AT ONE END AND AN ALKENYL GROUP ATTACHED AT THE OTHER END, SAID AMIC ACID OR SILYLATED AMIC ACID GROUP BEING ATTACHED TO SILICON THROUGH CARBON-SILICON BONDS. THE NOVEL COMPOUNDS ARE USED TO FORM SILOXANES USEFUL AS, FOR EXAMPLE, CORROSION PROTECTIVE COATING FOR METAL OR CERAMIC SURFACES.
Abstract:
POLYAMIDES HAVING TERMINAL ALIPHATICALLY UNSATURATED IMIDO RADICALS ARE PROVIDED AND A METHOD FOR MAKING SUCH MATERIALS. BLENDS OF THE IMIDOSUBSTITUTED POLYAMIDES AND A VARIETY OF ALIPHATICALLY UNSATURATED ORGANIC MONOMERS, SUCH AS STYRENE, N-PHENYLMALEIMIDE, BISMALEIMIDES OR ORGANIC POLYMERS, SUCH AS POLYPHENYLENE OXIDES, POLYVINYL CHLORIDE, POLYSTYRENE, POLYSULFONE, POLYCARBONATE, ETC., ALSO ARE PROVIDED. THE IMIDO-SUBSTITUTED COMPOSITIONS OF THE PRESENT INVENTION CAN BE EMPLOYED AS MOLDING COMPOUNDS, LAMINATES, VARNISHES AND ADHESIVES.
Abstract:
Ultrafine porous polymer articles with a predetermined maximum pore radius and processes of producing such polymer articles are described wherein a thermoplastic polymer body is contacted with an aqueous solution of a selected monomer, a specified differential pressure is applied between opposite body sides, only the pores with a radius larger than the predetermined radius are wetted by the solution of the monomer, the solvent is evaporated, and the monomer is polymerized in situ. The resulting article is a composite structure consisting substantially of a first thermoplastic polymer, and a small addition of a second polymer in the former pores which were larger than the predetermined maximum pore radius.
Abstract:
POLYARYLENEOXIDE HAVING AT LEAST ONE CHEMICALLY COMBINED ALIPHATICALLY UNSATURATED IMIDO RADICAL IS PROVIDED AND A METHOD FOR MAKING SUCH MATERIALS. BLENDS OF THE IMIDO-SUBSTITUTED POLYARYLENEOXIDE AND A VARIETY OF ALIPHATICALLY UNSATURATED ORGANIC MONOMERS, SUCH AS STYRENE, DIALLYLPHTHALATE, N-PHENYLMALEIMIDE, OR ORGANIC POLYMERS SUCH AS POLYSTYRENE, POLYSULFONE, POLYCARBONATE, POLYPHENYLENEOXIDES, ETC., ALSO ARE PROVIDED. THE IMIDO-SUBSTITUTED COMPOSITIONS OF THE PRESENT INVENTION CAN BE EMPLOYED AS COATINGS, VARNISHES, INJECTION MOLDING COMPOUNDS, LAMINATING COMPOUNDS, ETC.
Abstract:
THIS DISCLOSURE RELATES TO SILOXANE CONTAINING POLYAMIDE ACID BLENDS CONVERTIBLE TO CORONA RESISTANT POLYMIMIDE COMPOSITIONS. THE SILOXANE CONTAINING POLYAMIDE ACID BLENDS COMPRISE (A) A POLYAMIDE ACID SILOXANE AND (B) A SILICON FREE POLYAMIDE ACID, WHERE (A) IS UTILIZED IN THE BLEND IN AN AMOUNT SUFFICIENT TO PROVIDE AT LEAST ONE PERCENT BY WEIGHT OF CHEMICALLY COMBINED SILICON BASED ON THE WEIGHT OF THE BLEND. THESE BLENDS PROVIDE WIRE INSULATING COMPOSITIONS WHICH CAN BE EMPLOYED IN APPLICATIONS WHERE RESISTANCE TO CORONA IS HIGHLY DESIRABLE.