| 摘要 |
<p>Halogenated isobutylene-p-methylstyrene polymers are stabilized against discoloration with a weak base such as 100 to 500 ppm sodium bicarbonate. The additive is added to the rubbery polymers after dewatering in the finishing step of their manufacture. The curability of the stabilized rubbers is not adversely affected by the sodium bicarbonate additive.</p> |
