- Poly[(isobutylene-alt-maleic acid,ammonium salt)-co-(isobutylene-alt-maleic anhydride)],average Mw ~60, 000, 250g
- Polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene-graft-maleicanhydride,melt index~21g/10min(230°C/5.0kg), 250g