Other polymers with phenylene groups in the backbone

Among the polymers containing aromatic rings and unsaturated hydrocarbon groups in the backbone are poly(phenylene-ethynylenes) (PPE). This type of polymer has been synthesized by alkyne metathesis of 1,4-dipropynylated benzenes [11] and has applications in optical and electronic industry. A comprehensive study on thermal decomposition of several poly(substituted p-phenylene-ethynylenes) is available [12], The general formula for this group of polymers is the following  

R = dodecyl. trimethylhexyl, ethylhexyl. nonyl, hexyldodecyl, dodecylhexyl 

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Other polymers with phenylene groups in the backbone... 

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