Reactions of the 2-cyano-2-propyl radical with vinyl acetate and other monomers: A study of head-addition
Polymers have been prepared at 60 and 100°C using initiators giving the 2‐cyano‐2‐propyl radical enriched with carbon‐13 in the nitrile group. Examination by NMR of the (CH3)2C(CN) end groups in the resulting polymers of vinyl acetate (VAC) and of appropriate model compounds has indicated that up t...
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| Veröffentlicht in: | Journal of polymer science. Part A, Polymer chemistry Polymer chemistry, 1987-04, Vol.25 (4), p.1085-1092 |
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| container_end_page | 1092 |
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| container_issue | 4 |
| container_start_page | 1085 |
| container_title | Journal of polymer science. Part A, Polymer chemistry |
| container_volume | 25 |
| creator | Bevington, John C. Breuer, Stephen W. Heseltine, Elizabeth N. J. Huckerby, Thomas N. Varma, Sushil C. |
| description | Polymers have been prepared at 60 and 100°C using initiators giving the 2‐cyano‐2‐propyl radical enriched with carbon‐13 in the nitrile group. Examination by NMR of the (CH3)2C(CN) end groups in the resulting polymers of vinyl acetate (VAC) and of appropriate model compounds has indicated that up to 20% of these end groups correspond to the product of head‐addition of the primary radical to VAC at 60°C. Similar end groups have been found in poly(vinyl formate) but not in poly(methyl methacrylate) and polystyrene. In polyVAC prepared at 100°C, the proportion of end groups attached to the head of a monomeric unit is higher than for polymers made at 60°C. |
| doi_str_mv | 10.1002/pola.1987.080250414 |
| format | Article |
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In polyVAC prepared at 100°C, the proportion of end groups attached to the head of a monomeric unit is higher than for polymers made at 60°C.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Polymerization</subject><subject>Preparation, kinetics, thermodynamics, mechanism and catalysts</subject><issn>0887-624X</issn><issn>1099-0518</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1987</creationdate><recordtype>article</recordtype><recordid>eNqNkEFv2zAMhYWhA5Z2-wW96LCrUkmWbHmHAmnQZBuCpChWtDeBlmREm2MZktfW_342MgQ99kSC5Pse-BC6ZHTOKOVXXWhgzkpVzKmiXFLBxAc0Y7QsCZVMnaEZVaogORdPn9B5Sr8pHXdSzZC_d2B6H9qEQ437vcOcmAHaQDjpYuiGBkew3kCDX3y_x8--HUdgXA-9w9BaHEZRxIfQhoOL6Rte4NT_tcOE2zuwBKz1k8Fn9LGGJrkv_-sFeljd_lp-J5vd-sdysSEmy0tB8kxUQnAjq5wDFcbWUua2qirjxtaVRWkAiko64FXJWc2FkLY2QjGVmUKx7AJlR66JIaXoat1Ff4A4aEb1lJae0tJTWvqU1qj6elR1kMZn6wit8ekkVRnNuSrGs-vj2Ytv3PAesr7bbRZvfcgR4FPvXk8AiH90XmSF1I_btV6pm1W-_bnWy-wfJH6Nlg</recordid><startdate>198704</startdate><enddate>198704</enddate><creator>Bevington, John C.</creator><creator>Breuer, Stephen W.</creator><creator>Heseltine, Elizabeth N. 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| identifier | ISSN: 0887-624X |
| ispartof | Journal of polymer science. Part A, Polymer chemistry, 1987-04, Vol.25 (4), p.1085-1092 |
| issn | 0887-624X 1099-0518 |
| language | eng |
| recordid | cdi_crossref_primary_10_1002_pola_1987_080250414 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences Exact sciences and technology Organic polymers Physicochemistry of polymers Polymerization Preparation, kinetics, thermodynamics, mechanism and catalysts |
| title | Reactions of the 2-cyano-2-propyl radical with vinyl acetate and other monomers: A study of head-addition |
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