| abstract |
AN ADDITIVE FOR CRUSHING NATURAL RUBBER THAT INCLUDES AT LEAST A SELECTED COMPOUND OF THE GROUP OF BENZOIC ACIDS, NAFTOIC ACIDS, DICARBOXYLIC ACIDS AND COMPOUND REPRESENTED BY FORMULA (IV): WHERE ONE AND NUMBER 1 REPRESENTS P IS A WHOLE NUMBER OF 1 TO 4; M + N + P = 6; X ES O, NR 8 O (R 9 O) Q; R 6 IS A C 1 C 24 RENT, A C 2 - C SUB, 24 RENT, OR A C 6 - C 24 ARIL GROUP; AND R 7 IS H, OH, A RENT, ALQUENYL OR ARYL GROUP; R 8 ES H OR C 1 C 24 RENTAL GROUP; R 9 IS A RENT OF C 1 - C 4; Q IN A WHOLE NUMBER OF 1 TO 5, A CRUSHING PROCEDURE AND A COMPOSITION OF NATURAL RUBBER, EACH OF WHICH USES AN ADDITIVE, AND A PNEUMATIC USING THE NATURAL RUBBER COMPOSITION. |