@article{
 title = {Copper(I) bromide/N-(n-Octyl)-2-pyridylmethanimine-mediated living-radical polymerization of methyl methacrylate using carbosilane dendritic initiators},
 type = {article},
 year = {2000},
 pages = {4048-4052},
 volume = {33},
 websites = {http://pubs.acs.org/doi/abs/10.1021/ma991908g},
 publisher = {ACS Publications},
 id = {b09644f0-89f8-384c-9c62-ef3acf77f16d},
 created = {2024-01-02T14:09:39.876Z},
 file_attached = {false},
 profile_id = {36921318-7a81-32e6-acca-75b835acd8f1},
 group_id = {f2d52f92-0a5a-3712-a53b-a4492da8da5f},
 last_modified = {2024-01-02T14:09:39.876Z},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {false},
 citation_key = {hovestad2000copper},
 source_type = {article},
 private_publication = {false},
 abstract = {The zeroth (Si(CH2)(3)SiMe2(C6H4CH2OC(O)CMe2Br)(4)), 2, and first (Si(CH2)(3)Si((CH2)(3)SiMe2(C6H4CH2OC(O)CMe2Br))(3)(4)), 3, generation of 2-bromoisobutyryl functionalized carbosilane dendrimers have been successfully applied as initiators for the copper(I) bromide/N-(n-octyl)-2-pyridylmethanimine-mediated living-radical polymerization of methyl methacrylate. The overall rate of polymerization are comparable for the two dendritic initiators studied, 2 (3.4 x 10(-5) mol L-1 s(-1)) and 3 (4.8 x 10(-5) mol L-1 s(-1)) with the benzylic model compound C6H5CH2OC(O)CMe2Br (1) showing a lower rate of polymerization for both dendritic initiators, (7.3 x 10(-5) mol L-1 s(-1)) where [initiator sites] = 1.87 x 10(-2) mol L-1. We postulate that this is caused by initial intramolecular termination. The molecular weight distribution is less than 1.3 after 3 h reaction time. Initiator 3, however, produces star-star coupling throughout the polymerization. When the dendritic periphery is partialy functionalized (statistically two and six arms of the first generation dendrimer, respectively, 4 and 5) the control of the molecular weight distribution was lost (PDI > 3) for 4 as a result of too low of a value for [initiator site], i.e., 3.12 x 10(-3) mol L-1.},
 bibtype = {article},
 author = {Hovestad, Neldes J. and Van Koten, Gerard and Bon, Stefan A.F. and Haddleton, David M.},
 doi = {10.1021/ma991908g},
 journal = {Macromolecules},
 number = {11}
}

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The overall rate of polymerization are comparable for the two dendritic initiators studied, 2 (3.4 x 10(-5) mol L-1 s(-1)) and 3 (4.8 x 10(-5) mol L-1 s(-1)) with the benzylic model compound C6H5CH2OC(O)CMe2Br (1) showing a lower rate of polymerization for both dendritic initiators, (7.3 x 10(-5) mol L-1 s(-1)) where [initiator sites] = 1.87 x 10(-2) mol L-1. We postulate that this is caused by initial intramolecular termination. The molecular weight distribution is less than 1.3 after 3 h reaction time. Initiator 3, however, produces star-star coupling throughout the polymerization. When the dendritic periphery is partialy functionalized (statistically two and six arms of the first generation dendrimer, respectively, 4 and 5) the control of the molecular weight distribution was lost (PDI > 3) for 4 as a result of too low of a value for [initiator site], i.e., 3.12 x 10(-3) mol L-1.","bibtype":"article","author":"Hovestad, Neldes J. and Van Koten, Gerard and Bon, Stefan A.F. and Haddleton, David M.","doi":"10.1021/ma991908g","journal":"Macromolecules","number":"11","bibtex":"@article{\n title = {Copper(I) bromide/N-(n-Octyl)-2-pyridylmethanimine-mediated living-radical polymerization of methyl methacrylate using carbosilane dendritic initiators},\n type = {article},\n year = {2000},\n pages = {4048-4052},\n volume = {33},\n websites = {http://pubs.acs.org/doi/abs/10.1021/ma991908g},\n publisher = {ACS Publications},\n id = {b09644f0-89f8-384c-9c62-ef3acf77f16d},\n created = {2024-01-02T14:09:39.876Z},\n file_attached = {false},\n profile_id = {36921318-7a81-32e6-acca-75b835acd8f1},\n group_id = {f2d52f92-0a5a-3712-a53b-a4492da8da5f},\n last_modified = {2024-01-02T14:09:39.876Z},\n read = {false},\n starred = {false},\n authored = {false},\n confirmed = {true},\n hidden = {false},\n citation_key = {hovestad2000copper},\n source_type = {article},\n private_publication = {false},\n abstract = {The zeroth (Si(CH2)(3)SiMe2(C6H4CH2OC(O)CMe2Br)(4)), 2, and first (Si(CH2)(3)Si((CH2)(3)SiMe2(C6H4CH2OC(O)CMe2Br))(3)(4)), 3, generation of 2-bromoisobutyryl functionalized carbosilane dendrimers have been successfully applied as initiators for the copper(I) bromide/N-(n-octyl)-2-pyridylmethanimine-mediated living-radical polymerization of methyl methacrylate. The overall rate of polymerization are comparable for the two dendritic initiators studied, 2 (3.4 x 10(-5) mol L-1 s(-1)) and 3 (4.8 x 10(-5) mol L-1 s(-1)) with the benzylic model compound C6H5CH2OC(O)CMe2Br (1) showing a lower rate of polymerization for both dendritic initiators, (7.3 x 10(-5) mol L-1 s(-1)) where [initiator sites] = 1.87 x 10(-2) mol L-1. We postulate that this is caused by initial intramolecular termination. The molecular weight distribution is less than 1.3 after 3 h reaction time. Initiator 3, however, produces star-star coupling throughout the polymerization. When the dendritic periphery is partialy functionalized (statistically two and six arms of the first generation dendrimer, respectively, 4 and 5) the control of the molecular weight distribution was lost (PDI > 3) for 4 as a result of too low of a value for [initiator site], i.e., 3.12 x 10(-3) mol L-1.},\n bibtype = {article},\n author = {Hovestad, Neldes J. and Van Koten, Gerard and Bon, Stefan A.F. and Haddleton, David M.},\n doi = {10.1021/ma991908g},\n journal = {Macromolecules},\n number = {11}\n}","author_short":["Hovestad, N., J.","Van Koten, G.","Bon, S., A.","Haddleton, D., M."],"urls":{"Website":"http://pubs.acs.org/doi/abs/10.1021/ma991908g"},"biburl":"https://bibbase.org/service/mendeley/36921318-7a81-32e6-acca-75b835acd8f1","bibbaseid":"hovestad-vankoten-bon-haddleton-copperibromidennoctyl2pyridylmethaniminemediatedlivingradicalpolymerizationofmethylmethacrylateusingcarbosilanedendriticinitiators-2000","role":"author","metadata":{"authorlinks":{"bon, 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