摘要:
LIGHT-COLORED, TECHNICALLY VALUABLE VULCANISATES ARE OBTAINED ACCORDING TO THE INVENTION WHEN NATURAL OR SYNTHETIC RUBBER IS VULCANISED IN THE PRESENCE OF INSOLUBLE AND INFUSIBLE, FINELY DISPERSED AMINOPLASTS HAVING AN INNER SURFACE OF MORE THAN 10 SQUARE METERS PER GRAM AND AN AVERAGE PARTICLE SIZE SMALLER THAN 5U.