Polymeric composite, product with polymer composite, dry process for preparing polymer composite, process for preparing a sleeper

Polymeric composite, comprising:

• sand;
• at least one load selected from at least one of:
• granular silica or microspheres, alumina quartz, foundry sand, fine or ultrafine sand, limestone, talc, crushed stone powder, gypsum, lime, dolomite, calcite, barite, in natura or organophilic bentonite, in natura or organophilic kaolinite, natural or organophilic metakaolinite, in natura or organophilic attapulgite, in natura or organophilic montmorinolite, raw or organophilic illite, raw or organophilic hinorite, raw or organophilic anite, sepiolite, vermiculite, porous magnetite, calcium carbonate, magnesium carbonate, mica, graphite, gypsum, gilsonite or a combination of these;
• a thermosetting resin selected from at least one of dicyclopentadiene, neopentyl glycol or a combination of these;
• at least two additives, wherein one of the additives is a phase compatibilizing additive and the other additive is a flexibilizing additive, wherein the phase compatibilizing additive is selected from at least one of:
• vinyltrimethoxysilane, vinyltriethoxysilane, methacryltrimethoxysilane, methacryloxypropyltrimethoxysilane, calcium diacrylate, calcium diacrylate zinc or a combination of these, and wherein the flexibilizing additive is selected from at least one of:
• butylacrylate, butylmethylacrylate, methylmethacrylate, acrylic acid, methacrylic acid, phthalic anhydride, maleic anhydride, dialylphthalate, triethylene glycol methacrylate, ethylhexyl methacrylate or a combination of these;
• and
• a fiber, wherein the fiber is carbon fiber and has a fiber length between 88% and 92% of the piece length.