POLYMERIC FRICTION COMPOSITION Russian patent published in 2008 - IPC C08J5/14 C08K9/00 C08K13/02 C08K5/09 

FIELD: polymer materials.

SUBSTANCE: invention relates to vehicles and lifting-and-shifting machines as well as to allied technical fields wherein friction phenomenon is used to achieve a positive effect. Composition according to invention contains, wt %: binder based on rubbers SKI-3 and SKD 11.5-13.0, wollastonite 50.0-54.5, barite 23.5-24.5, graphite 3.0-3.7, carbon black 1.5-1.9, sulfuric curing system: sulfur 3.5-4.5, captax 0.2-0.5, thiuram 1.2-1.7, zinc oxide 0.3-0.7, and, above 100%, modifier selected from group: stearic acid, oleic acid, stearic acid/oleic acid mixture at ratio between 40:60 and 0.02:0.5 or above mixed modifier with terephthalic acid in total amount 3 wt parts or stearic acid in amount 0.02-0.5 wt parts per 100 wt parts rubber mixture.

EFFECT: improved physicochemical properties and reduced rheological characteristics of composition.

2 tbl, 2 ex