TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The amount of surface treated precipitated calcium carbonate is not more than 6 wt.%, preferably less than 4 wt.%. (I) further comprises an amount of a property-modifying additive comprising a thermal conductivity additive, electrical conductivity additive, sound dampening additive, ionizing-radiation-opacity additive and/or atomic-particle-moderating additive. The property-modifying additive is: a thermal conductivity additive comprising pitch carbon, graphite, diamond, metal nitrides (boron nitride and aluminum nitride), nanotubes of carbon and boron nitride, titanium diboride, cobalt, zinc, molybdenum, iridium, silicon, rhodium, magnesium, tungsten, beryllium, aluminum, gold, copper and/or silver; an electrical conductivity additive comprising carbon black, silver, copper, stainless steel powder or fibers, graphite, zinc, aluminum, carbon nanotubes, manganese, bismuth, samarium, titanium, zirconium, lead, antimony, vanadium, chromium, tin, palladium, platinum, iron, nickel, zinc, cobalt, molybdenum, tungsten, iridium, indium, rhodium, magnesium, beryllium, aluminum, gold, silver, magnetite, bronze and/or brass; a sound dampening additive comprising tungsten, barium sulfate, zirconium sulfate, calcium sulfate, lead, tungsten, gold, platinum, iridium, osmium, rhenium, tantalum, hafnium, palladium, rhodium, borite, magnetite, hematite, zirconia, ceramic beads and/or chromite; an ionizing-radiation-opacity additive comprising tungsten, lead, zirconium, graphite, silicon, indium, aluminum, iridium, boron, cadmium, europium and/or samarium; and an atomic-particle-moderating additive comprising tungsten, lead, zirconium, graphite, silicon, indium, aluminum, iridium, boron, cadmium, europium and/or samarium.    TECHNOLOGY FOCUS - POLYMERS - Preparation: No preparation method is given. Preferred Components: The polyhydroxyalkanoate comprises polyhydroxybutyrate-co-valerate, polyhydroxybutyrate-co-hydroxyvalerate, polyhydroxybutyrate-co-4-hydroxybutrate, polyhydroxybutyrate-co-3-hydroxyhexanoate, polyhydroxybutyrate-co-3-hydroxyheptanoate or polyhydroxybutyrate-co-3-hydroxyoctanoate. (I) further comprises an additional polymer comprising polycarbonate, polylactic acid, linear low density polyethylene and/or ethylene ethyl acrylate copolymer. The polyhydroxyalkanoate contains monomeric units of formula (-OCR1R2(CR3R4)nCO-) (II). The monomeric units comprise hydroxybutyrate, hydroxyvalerate, hydroxyhexanoate, hydroxyheptanoate, hydroxyoctanoate, hydroxynonanoate, hydroxydecanoate, hydroxyundecanoate or hydroxydodecanoate. (I) further comprises adhesion promoters, biocides (antibacterials, fungicides and mildewcides), anti-fogging agents, anti-static agents, bonding, blowing and foaming agents, dispersants, fillers and extenders, fire and flame retardants and smoke suppressants, impact modifiers, initiators, lubricants, micas, pigments, colorants and dyes, plasticizers, processing aids, release agents, silanes, titanates and zirconates, slip and anti-blocking agents, stabilizers, stearates, ultraviolet light absorbers, viscosity regulators and/or waxes.n = 0 or integer; andR1-R4 = hydrocarbon radicals (optionally saturated), halo- and hydroxy-substituted radicals, hydroxy radicals, halo radicals, nitrogen-substituted radicals, oxygen-substituted radicals or H atoms. EXAMPLE - No suitable example given.