FIRE-RESISTANT RUBBER MIXTURE WITH IMPROVED ANTIFRICTION PROPERTIES Russian patent published in 2019 - IPC C08L11/00 C08L9/02 C08K3/04 C08K3/22 C08K3/10 C08K5/02 C08K5/10 

FIELD: machine building.

SUBSTANCE: invention relates to a fire-resistant rubber mixture with improved antifriction properties and can be used in sealing parts, movable assemblies of mechanisms in oil and machine building. Rubber mixture contains, wt%: combination of chloroprene and butadiene-nitrile rubber – 100.0, vulcanizing agent – zinc oxide – 5.0, vulcanization accelerator – sulfur and thiuram – 0.9, vulcanization activators – magnesium oxide and stearic acid – 7.9–8.1, stabilizers and anti-aging agents – acetonil and diaphene FP – 3.0–3.5, technical carbon – 60, petroleum bitumen – 5.0, santogard PVI – 0.4–0.6, antimony trioxide – 10.0-15.0, chlorinated paraffin HP-66T – 5.0–7.0, plasticiser – tricresyl phosphate – 10.0–15.0, molybdenum disulphide – 15.0–20.0.

EFFECT: invention enables to obtain a fire-resistant rubber mixture with improved antifriction properties, low friction coefficient and abrasion coefficient.

1 cl, 4 tbl