Keywords: Polyisobutylen.svg confusing layout and mix of diagram standards the text is so large and the CH<sub>2</sub> explicit and also the methyls hard to know that there is another C along the chain right next to it en Chemical structure of Polyisobutylen de Chemische Strukturformel von Polyisobutylen Own Peebubu 2009-06-10 Elastomers |