Composition for tire sidewalls and other rubber constructions

   
   

Rubber blends of brominated isobutylene/para-methylstyrene copolymers of 9.5 to 20 weight percent aromatic monomer content and 0.2 to 1.0 mole percent benzylic bromine content. The blends have good cure characteristics, good adhesion and flex crack resistance, as well as ozone resistance. The blends are useful in tire sidewalls, and other applications.

Miscele di gomma dei copolimeri bromurati di isobutylene/para-methylstyrene del soddisfare benzylic del bromo del soddisfare aromatico del monomero da 9.5 - 20 percento del peso e da 0.2 - 1.0 percento della talpa. Le miscele hanno buone caratteristiche della cura, buona adesione e resistenza della crepa della flessione, così come resistenza dell'ozono. Le miscele sono utili nei muri laterali della gomma ed in altre applicazioni.

 
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