TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The filler is chosen from silica, alumina, kaolinite, wollastonite, mica, talc, clay, sericite, magnesium carbonate, magnesium sulfate, glass beads, glass fibers, carbon fibers, alumina fibers, potassium-titanate whisker, aluminum-borate whisker, magnesium-type whisker, silicon-type whisker, acrylic fibers, poly(benzimidazole) fiber, and aromatic polyimide fibers. The flame retardant is chosen from halogenated flame retardant, phosphorus-based flame retarder, and metal oxide-type flame retardant. The coloring agent is chosen from graphite, carbon black, titanium dioxide, calcium sulfate, calcium carbonate, blue dye and green dye.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The antioxidant is chosen from phenolic antioxidant, sulfur-type antioxidant, phosphorus antioxidant and amine antioxidant. The electroconductive agent is chosen from carbon-type electroconductive agent, metal-type electroconductive agent, metal oxide-type electroconductive agent and surfactant.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The polyimide resin (A) further comprises repeating unit of formula (III). The content of repeating unit (III) is 25 mol% or less with respect to total content of repeating units (I) and (II). The additive (B) is chosen from filler, flame retardant, coloring agent, slidability improving agent, antioxidant and electroconductive agent. The slidability improving agent is chosen from fluororesin, polyolefin, molybdenum disulfide, metal soap, mineral oil, synthetic oil, wax and spherical phenol. The content of additive, filler, flame retardant, coloring agent, slidability improving agent, antioxidant and electroconductive agent in polyimide resin composition is 0.0001-80 %mass, 0.1-70 %mass, 0.1-50 %mass, 0.0001-50 %mass, 0.1-50 %mass, 0.01-10 %mass, and 0.1-60 %mass, respectively.R3=R1;andX3=X1.Preferred Properties: The polyimide resin (A) has melting point of 360 degrees C or less, and glass transition temperature of 200 degrees C or more.    TECHNOLOGY FOCUS - TEXTILES AND PAPER - Preferred Composition: The textile material is chosen from inorganic fiber and synthetic fiber. Preferred Property: The textile material has mean fiber length of 1 cm or more. Preferred Definitions:    R1=1,3-diethylcyclohexyl.