| abstract |
Provided is a modified natural rubber which can be produced at low cost and can be used as a rubber component of a rubber composition to improve the low loss property, wear resistance and fracture characteristics of the rubber composition. . A polar group-containing compound is graft-polymerized or added to at least one natural rubber raw material selected from the group consisting of natural rubber, natural rubber latex coagulum, and natural rubber cup lamp with mechanical shearing force. This is a modified natural rubber. As the means for giving the mechanical shearing force, a twin-screw extrusion kneader and a dry prebreaker are preferable. [Selection figure] None |