Consider the polymerization of 1,2-dichloroethylene, h(cl)c=c(cl)h. What structural variations are possible in poly(1,2-dichloroethylene)? : Polymer Chemistry

1283

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Why are olefins (alkenes) good monomers for polymerization reactions? : Polymer Chemistry

1333

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Does ethylene polymerize under mild conditions in the absence of a catalyst? : Polymer Chemistry

1190

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Why are metals often good catalysts? : Polymer Chemistry

917

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Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry

1445

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Why do different polymers have different properties? : Polymer Chemistry

1152

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How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry

1669

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Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry

974

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Besides the extent of branching, can you think of any other structural parameters that might lead to differences in physical properties? : Polymer Chemistry

1250

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What kinds of structural changes accompany bond-breaking and bond-forming in olefin polymerization? : Polymer Chemistry

1722

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What are the other ways in which chemists can manipulate the properties of polymers? : Polymer Chemistry

1149

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Examine samples of ldpe (sandwich bag, squeeze bottle) and hdpe (milk jug, grocery bag). What are some of the differences in the physical properties of these substances? : Polymer Chemistry

1116

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A polymer's structure influences its physical properties. Describe two structural variations that are possible for polypropylene but not for polyethylene. : Polymer Chemistry

1046

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What are some of the polymers that you encounter every day? Describe their physical properties. : Polymer Chemistry

1077

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Atactic polypropylene is always produced with the [cp2zr(r)]+ catalyst. Explain this on the basis of molecular-level interactions. : Polymer Chemistry

1037

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