Antifriction self-lubricating material

An antifriction self-lubricating material comprising a press-molded mixture of a fusible polyimide of the formula ##STR54## where R is selected from the group consisting of ##STR55## R' is selected from the group consisting of ##STR56## n = 20 to 400, taken in a quantity of 10 percent by weight of the antifriction material, and a filler comprising molybdenum disulphide modified with phosphorus-containing compounds selected from the group consisting of ortho- and metaphosphoric acids, phosphonic acids of the formula ##STR57## phosphinic acids of the general formula ##STR58## where R.sup.III and R.sup.IV are radicals selected from the group consisting of alkyl, cycloalkyl and aryl radicals containing from C.sub.1 to C.sub.16, R.sup.III and R.sup.IV being either identical or different;

• phenyl (1,1-dihydroperfluoralkyl) phosphates of the formula ##STR59## where x = 1-3 and y = 0-3;
• and phenyl (1,1-dihydroperfluoralkoxy) cyclotriphosphazenes of the formula
• C.sub.6 H.sub.5 O).sub.x (--P=N--).sub.3 [OCH.sub.2 (CF.sub.2).sub.y CF.sub.3 ].sub.6-x'
• where x = 0-6 and y = 0-3, the phosphorus content in the modified molybdenum disulphide being 0.05 percent by weight, and the content of the modified molybdenum disulphide being 80 percent by weight of the antifriction material, and also comprising a metallic molybdenum powder to the extent of 5 percent by weight of the antifriction material as well as highly dispersed carbon to the extent of 5 percent by weight of the antifriction material.

An antifriction self-lubricating material comprising a press-molded mixture of a polyphenylquinoxaline of the formula ##STR60## where R" is selected from the group consisting of --O--;

• --SO.sub.2 --;
• --CO--;
• or is absent;
• Ar is selected from the group consisting of ##STR61## n = from 50 to 300, taken in a quantity of 20 percent by weight of the antifriction material and a filler comprising molybdenum disulphide modified with phosphorus-containing compounds selected from the group consisting of ortho- and metaphosphoric acids, phosphonic acids of the formula ##STR62## phosphinic acids of the formula ##STR63## where R.sup.III and R.sup.IV are radicals selected from the group consisting of alkyl, cycloalkyl and aryl radicals containing from C.sub.1 to C.sub.16, R.sup.III and R.sup.IV being either identical or different;
• phenyl (1,1-dihydroperfluoralkyl) phosphates of the formula ##STR64## where x = 1-3 and y = 0-3;
• phenyl (1,1-dihydroperfluoralkoxy) cyclotriphosphazenes of the formula
• (C.sub.6 H.sub.5 O).sub.x (--P=N--).sub.3 [OCH.sub.2 (CF.sub.2).sub.y CF.sub.3 ].sub.6-x,
• where x = 0-6 and y = 0-3;
• the level of phosphorus in the modified molybdenum disulphide being 0.1 percent by weight, and the level of the modified molybdenum disulphide being 43 percent by weight of the antifriction material, and also comprising metallic silver powder to the extent of 15 percent by weight of the antifriction material;
• graphite to the extent of 19 percent by weight;
• and asbestos to the extent of 30 percent by weight of the antifriction material.