| 摘要 |
The invention relates to a product and a process for preparing said product meant to be used as a plasticizer in rubber mixtures for technical articles. According to the invention, the product comprises 30...50% vegetable oil and 70...50% cellulose, proteins or wax, the percentage being expressed by mass. The claimed process consists in heat treating, at temperatures of 220...240°C, oil-bearing seeds selected from rape, sunflower, soya or castor-oil plant, for 25...50 min, at a pressure of 25...35 at, after which the material is homogenized for 2...5 min on a refining roll. |
