FIELD: polymer materials.
SUBSTANCE: invention relates to conducting polymer blend, which is prepared by selecting at least two mutually immiscible polymers and mixing them until into blend so that at least one of polymers forms continuous three-dimensional phase throughout the volume of blend. Thereafter, conducting metal-containing filler is added to blend. Difference in surface tensions between polymer(s) forming continuous three-dimensional phase and other polymers constituting polymer blend is equal at least 2 mN/m. Above-mentioned at least two polymers are selected from following polymer pairs: pair polyamide PA6 and polymer selected from group consisting of PA12 and polyolefin; pair PA66 and polymer selected from group consisting of PA6, polymethylmethacrylate, polycarbonate, polyethylene terephthalate, styrene/acrylonitrile copolymer, polystyrene, PA12, polyolefin, liquid-crystalline polymer, and polyoxymethylene; pair polybutylene terephthalate and polymer selected from group consisting of PA6, polymethylmethacrylate, polycarbonate, styrene/acrylonitrile copolymer, polyethylene terephthalate, polystyrene, PA12, polyolefin, liquid-crystalline polymer, and polyoxymethylene; pair polycarbonate and polymethylmethacrylate; pair polyethylene terephthalate and polymer selected from group consisting of polycarbonate, polymethylmethacrylate, polystyrene, PA6, PA12, and polyolefin; pair polymethylmethacrylate and polymer selected from group consisting of PA6, PA12, and polyolefin; pair polyoxymethylene and polymer selected from group consisting of polycarbonate, polymethylmethacrylate, polystyrene, PA6, PA12, and polyolefin; pair styrene/acrylonitrile copolymer and polymer selected from group consisting of polystyrene, PA6, PA12, and polyolefin.
EFFECT: enabled preparation of polymer blend with low content of conducting filler showing sufficient conductivity and good mechanical properties.
8 cl, 2 dwg, 4 tbl, 2 ex
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