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metathesis polymerization

Rapid, regioselective living ring opening metathesis polymerization of bio derivable asymmetric tricyclic oxanorbornenes

Rapid, regioselective living ring opening metathesis polymerization of bio derivable asymmetric tricyclic oxanorbornenes

... Ring-Opening Metathesis Polymerization with Ruthenium ...Ring-Opening Metathesis Polymerization Mediated by Cyclometalated Ruthenium-Based Catalysts: A Combined Experimental and Computational ...

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Functionalized polymers and surfaces via ring-opening metathesis polymerization

Functionalized polymers and surfaces via ring-opening metathesis polymerization

... Polymer-based dielectric layers for use in electronic devices such as thin- film transistors (TFTs), capacitors, and other logic elements have attracted much attention for their low cost, processability, and tunable ...

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Syntheses of polymers with diverse architectures via metathesis polymerization and investigation of their structure-property relationships

Syntheses of polymers with diverse architectures via metathesis polymerization and investigation of their structure-property relationships

... Chapters 4 and 5 focus on brush polymers. Chapter 4 describes the syntheses of linear and cyclic brush polymers using ring-opening metathesis polymerization (ROMP) and REMP of macromonomers (MMs), ...

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Synthesis of New Polymer Ionomers via Ring Opening Metathesis Polymerization

Synthesis of New Polymer Ionomers via Ring Opening Metathesis Polymerization

... ring-opening metathesis polymerization (ROMP) using bis(tricyclohexylphosphine) benzylidene ruthenium(IV) dichloride (I) and tricyclohexylphosphine [1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2- ...

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Functionalized Polymers from Ring-Opening Metathesis Polymerization Through Monomer Design

Functionalized Polymers from Ring-Opening Metathesis Polymerization Through Monomer Design

... Valenti et al. reported the acyclic diene metathesis polymerization (ADMET) of a symmetric alcohol-containing monomer (Figure A.1a). 10 The molecular weights, however, are restricted to < 3 x 10 4 g/mol ...

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Ring-Opening Metathesis Polymerization of Functionalized Cyclobutenes Derivatives

Ring-Opening Metathesis Polymerization of Functionalized Cyclobutenes Derivatives

... living polymerization has been first outlined by Flory 17 , Szwarc 18 and ...living polymerization can be defined as a chain growth process occurring in the absence of chain transfer and chain termination ...

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Syntheses of Polymers with Diverse Architectures via Metathesis Polymerization and Investigation of Their Structure-Property Relationships

Syntheses of Polymers with Diverse Architectures via Metathesis Polymerization and Investigation of Their Structure-Property Relationships

... ROMP of Macromonomers. We first investigated the ROMP of PtBA-macromonomer (PtBA-MM) as the tert-butyl group can be readily hydrolyzed to yield water soluble poly(acrylic acid) side chains, which can be used as ...

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Cyclic Polyolefins via Ring Expansion Metathesis Polymerization

Cyclic Polyolefins via Ring Expansion Metathesis Polymerization

... The most attractive monomers for initial investigations were cyclopentene (CP), cyclooctene (COE), and cyclooctadiene (COD) due to commercial availability and precedent for their participation in ROMP and REMP reactions. ...

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Applications and Extensions of Living Ring Opening Metathesis Polymerization

Applications and Extensions of Living Ring Opening Metathesis Polymerization

... PA-ROMP is a useful strategy for synthesizing homopolymers and block copolymers with much lower catalyst loadings than traditional ROMP. A Symyx robotic system was used to investigate the ability of ruthenium ...

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How to Make a Mudsparkler

How to Make a Mudsparkler

... In this dissertation work, two major research frontiers were explored. First, antimicrobial biomaterials were developed using natural biomass-derived chemicals. Pine rosin-derived cationic compounds and polymers were ...

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Synthesis of Interlocked Molecules by Olefin Metathesis

Synthesis of Interlocked Molecules by Olefin Metathesis

... metathesis polymerization (ROMP), involves the ring-opening of cyclic, olefin- containing monomers to yield a linear ...olefin metathesis reaction, a driving force is required to favor product ...

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Interlocked Molecules Using Olefin Metathesis

Interlocked Molecules Using Olefin Metathesis

... olefin metathesis has been applied to the synthesis of small molecule and polymeric ...cross metathesis process termed acyclic diene metathesis ...opening metathesis polymerization ...

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Polymerization-Induced Self-Assembly of All-Acrylic Diblock Copolymers via RAFT Dispersion Polymerization in Alkanes

Polymerization-Induced Self-Assembly of All-Acrylic Diblock Copolymers via RAFT Dispersion Polymerization in Alkanes

... dispersion polymerization has provided a facile route to well-de fi ned, colloidally stable latexes in non-polar solvents via addition of a suitable steric stabilizer  usually an adsorbed homopolymer, block ...

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A Sociolinguistic Analysis of Metathesis in Azeri Language

A Sociolinguistic Analysis of Metathesis in Azeri Language

... Thus, it can be concluded that members of the lower social class use more stigmatized linguistic forms than the upper classes. In other words, the higher individuals are on the social ladder, the less likely they are to ...

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Homo polymerization and co-polymerization of n-pentenyl carbazole (N-PCz) by cold plasma and radicalic polymerization (glow discharges)

Homo polymerization and co-polymerization of n-pentenyl carbazole (N-PCz) by cold plasma and radicalic polymerization (glow discharges)

... Key words: Electrophotographie, charge transfer, donor of electrons: acceptor of electrons, donor-acceptor complexes, cold plasma, thin film deposition.. phenomenon of the photoconductio[r] ...

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Alkane metathesis via tandem catalysis

Alkane metathesis via tandem catalysis

... supported 4 (2.5 µmol of Ir on 310 mg of alumina) in n-decane (5130 equiv relative to Ir) and heating at 175 °C. AM activity was low with only 120 TOs seen after 4 days (Table 5.6, entry 1). Remarkably, when the ...

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The influence of structure on reactivity in alkene metathesis

The influence of structure on reactivity in alkene metathesis

... monitoring metathesis reactions by GC is the potential for misleading results arising from incomplete pre-catalyst ...quenching. Metathesis pre-catalysts are often rather robust, and special measures must ...

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Polymerization of propylene in a minireactor: Effect of polymerization conditions on particle morphology

Polymerization of propylene in a minireactor: Effect of polymerization conditions on particle morphology

... The polymerization time ranged from 1s to 2h. The polymerization temperature range was 40-70°C and the monomer pressure was ...reproducible, polymerization ki- netics was examined by performing two ...

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Ethyl Linoleate Derivatives from Olefin Metathesis as a Function of the Starting Complex and Reactivity Conditions

Ethyl Linoleate Derivatives from Olefin Metathesis as a Function of the Starting Complex and Reactivity Conditions

... olefin metathesis of EL conducted by G1 reached lower selectivity than that conducted by G2 for 24h at 50 ...olefin metathesis of EL; however, it was activated in the presence of SnCl 2 at 50 ºC for ...

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“Metathesis in Natural Product Synthesis”33-40

“Metathesis in Natural Product Synthesis”33-40

... cascade metathesis reac- tions in natural product synthesis, authoritatively written by Marta Porta and Siegfried Blechert (Technische Universität Berlin, ...ene-yne-ene metathesis cascade, prove the ...

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