| abstract |
The invention discloses a kind of halogen-free flame-retardant polyethylene cable sheath materials and preparation method thereof.The present invention is blended with haloflex, modified silicon rubber, nitrile rubber, also sizing material is modified using composite modified inorganic filler, phthalic acid ester, dioctyl sebacate, phosphoric acid tert-butyl benzene diphenyl ester etc., pass through the collaboration and promotion of each raw material component, the mechanical property and anti-flammability of cable material are combined, with excellent high temperature resistance, the senile experiment of 168h is carried out under 180 DEG C of experiment conditions, the tensile strength of material and elongation at break change rate are in ± 30% after aging. |