Rubber mixtures reinforced by phenol novolac resins and process for preparing phenol novolac resins suitable therefor
Abstract
Abstract A NON-SMELLING AND NON-DISCOLORING ELASTOMER COMPOSITION COMPRISING AT LEAST ONE VULCANIZABLE ELASTOMERIC COPOLYMER AND AT LEAST ONE PHENOL NOVOLAC-HEXAMETHYLENETETRAMINE-RESIN AS A REINFORCING RESIN, SAID PHENOL NOVOLAC HAVING BEEN PREPARED BY ACID CONDENSATION OF A DIPHENYLOLALKANE OF THE FORMULA 4-((4-HO-PHENYL)-C(-R1)(-R2)-)PHENOL WITH FORMALDEHYDE, OR A FUNCTIONAL EQUIVALENT THEREOF, THE RADICALS R1 AND R2 BEING THE SAME OR DIFFERENT AND REPRESENTING HYDROGEN OR AN ALKYL GROUP OF UP TO 8 CARBON ATOMS OR ONE OF THE RADICALS R1 AND R2 BEING A PHENYL GROUP AND A PROCESS FOR THE PREPARATION OF SAID NOVOLAC OR FOR THE PREPARATION OF A VULCANIZED PRODUCT FROM SAID COMPOSITION.
Inventors
- 👤 Arnold Giller
- 👤 Kurt Hultzsch
- 👤 Wolfgang Hesse
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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