Synthesis of Recyclable Tire Additives via Equilibrium Ring-Opening Metathesis Polymerization
نویسندگان
چکیده
منابع مشابه
Synthesis of hybrid block copolymers via integrated ring-opening metathesis polymerization and polymerization of NCA.
Linear hybrid block copolymers with well controlled molecular weights and narrow polydispersities were synthesized via ring-opening metathesis polymerization (ROMP) followed by ring-opening polymerization of amino acid N-carboxyanhydrides.
متن کاملSynthesis of hybrid block copolymers via integrated ring-opening metathesis polymerization and polymerization of NCAw
Hybrid copolymers, which contain segments with distinct structures and properties, are useful materials in various applications such as novel plastics, polymeric catalysis, smart materials, self-assembly, and bionanotechnology. They can be prepared through conjugation of hybrid polymeric segments or polymerization with corresponding initiators. The latter approach is particularly attractive as ...
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Alcohol is the answer! An inactive, air-stable, dimeric molybdenum alkylidyne complex is activated toward ring-opening alkyne metathesis polymerization (ROAMP) by the addition of methanol. The ROAMP is compatible with water and phenol-containing substrates and with the in situ photochemical generation of alkyne monomers from cyclopropenones.
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In living ring-opening metathesis polymerization (ROMP), a transition-metal-carbene complex polymerizes ring-strained olefins with very good control of the molecular weight of the resulting polymers. Because one molecule of the initiator is required for each polymer chain, however, this type of polymerization is expensive for widespread use. We have now designed a chain-transfer agent (CTA) cap...
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The synthesis of cyclic polybutadienes using ring-opening metathesis polymerization (ROMP) was accomplished. A cyclic Ru alkylidene catalyst, where a terminal ligand was covalently linked to the Ru alkylidene, was used to polymerize either 1,5-cyclooctadiene (COD) or 1,5,9-trans-cis-trans-cyclododecatriene (CDT). Trace amounts of an acyclic impurity, 4-vinylcyclohexene, found in the COD led to ...
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ژورنال
عنوان ژورنال: ACS Sustainable Chemistry & Engineering
سال: 2016
ISSN: 2168-0485,2168-0485
DOI: 10.1021/acssuschemeng.6b01496