Kinetic approach to radiation–induced grafting in the polyethylene–styrene system
To investigate the mechanism of radiation‐induced grafting in this system, the increase of monomer concentration in the polyethylene film in styrene vapor was evaluated by measuring the weight increase and formulated to be V([M∞] − [M]). The decay of radical concentration was also measured by ESR an...
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| Veröffentlicht in: | J. Polymer Sci., Polym. Chem. Ed., v. 12, no. 12, pp. 2729-2739 Polym. Chem. Ed., v. 12, no. 12, pp. 2729-2739, 1974-12, Vol.12 (12), p.2729-2739 |
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| container_issue | 12 |
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| container_title | J. Polymer Sci., Polym. Chem. Ed., v. 12, no. 12, pp. 2729-2739 |
| container_volume | 12 |
| creator | Imai, Masahiko Shimizu, Harumichi |
| description | To investigate the mechanism of radiation‐induced grafting in this system, the increase of monomer concentration in the polyethylene film in styrene vapor was evaluated by measuring the weight increase and formulated to be V([M∞] − [M]). The decay of radical concentration was also measured by ESR and the rate constant of the decay was determined. The alkyl type radical was affected only a little by styrene, while the allyl type radical was much affected by styrene. A new computer investigation method was proposed to clarify the reaction mechanism. The data obtained were substituted into differential equations and used to calculate the pattern of increase of the degree of grafting for the preirradiation method with reaction in the vapor phase. Results of these calculations suggest that only allyl type radicals induce grafting reactions and that the grafting reaction seldom occurs in the region of grafted polystyrene. |
| doi_str_mv | 10.1002/pol.1974.170121203 |
| format | Article |
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The decay of radical concentration was also measured by ESR and the rate constant of the decay was determined. The alkyl type radical was affected only a little by styrene, while the allyl type radical was much affected by styrene. A new computer investigation method was proposed to clarify the reaction mechanism. The data obtained were substituted into differential equations and used to calculate the pattern of increase of the degree of grafting for the preirradiation method with reaction in the vapor phase. Results of these calculations suggest that only allyl type radicals induce grafting reactions and that the grafting reaction seldom occurs in the region of grafted polystyrene.</description><identifier>ISSN: 0360-6376</identifier><identifier>EISSN: 1542-9369</identifier><identifier>DOI: 10.1002/pol.1974.170121203</identifier><language>eng</language><publisher>New York: John Wiley & Sons, Inc</publisher><subject>CHEMICAL REACTION KINETICS ; DECOMPOSITION ; ELECTRON SPIN RESONANCE ; GAMMA RADIATION ; GRAFT POLYMERS ; N40300 -Chemistry-Radiation Chemistry ; POLYETHYLENES- CHEMICAL RADIATION EFFECTS ; POLYMERIZATION ; RADICALS ; STYRENE- CHEMICAL RADIATION EFFECTS ; VAPORS</subject><ispartof>J. Polymer Sci., Polym. Chem. 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Results of these calculations suggest that only allyl type radicals induce grafting reactions and that the grafting reaction seldom occurs in the region of grafted polystyrene.</description><subject>CHEMICAL REACTION KINETICS</subject><subject>DECOMPOSITION</subject><subject>ELECTRON SPIN RESONANCE</subject><subject>GAMMA RADIATION</subject><subject>GRAFT POLYMERS</subject><subject>N40300 -Chemistry-Radiation Chemistry</subject><subject>POLYETHYLENES- CHEMICAL RADIATION EFFECTS</subject><subject>POLYMERIZATION</subject><subject>RADICALS</subject><subject>STYRENE- CHEMICAL RADIATION EFFECTS</subject><subject>VAPORS</subject><issn>0360-6376</issn><issn>1542-9369</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1974</creationdate><recordtype>article</recordtype><recordid>eNqNkE1OwzAQRi0EEqVwAVYW-xTb4ziJxAYh_kSlsqBry3EnjVHqVLYRyo47cENOQqoi2LKab_G9Gc0j5JyzGWdMXG77bsarQs54wbjggsEBmfBciqwCVR2SCQPFMgWFOiYnMb4yBpwVckKWT85jcpaa7Tb0xrY09TSYlTPJ9f7r49P51ZvFFV0H0yTn19R5mlqk48UBUzt06HGsxTSEMdE4xISbU3LUmC7i2c-ckuXd7cvNQzZf3D_eXM8zCyKHzCpuEJtaQA0ApYIca2kLyfOmrIXKCwM1GuRFJSrgUjaKNWMyDCWWpbAwJRf7vX1MTkfrEtrW9t6jTVoKJaqKjyWxL9nQxxiw0dvgNiYMmjO9s6fHX_TOnv61N0JXe-jddTj8g9DPi_kf_g0jXXeL</recordid><startdate>197412</startdate><enddate>197412</enddate><creator>Imai, Masahiko</creator><creator>Shimizu, Harumichi</creator><general>John Wiley & Sons, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>197412</creationdate><title>Kinetic approach to radiation–induced grafting in the polyethylene–styrene system</title><author>Imai, Masahiko ; Shimizu, Harumichi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3253-c61aeefb23b3338635eb4c7415f8b2657a3beae179293144f60f293a0e4e882c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1974</creationdate><topic>CHEMICAL REACTION KINETICS</topic><topic>DECOMPOSITION</topic><topic>ELECTRON SPIN RESONANCE</topic><topic>GAMMA RADIATION</topic><topic>GRAFT POLYMERS</topic><topic>N40300 -Chemistry-Radiation Chemistry</topic><topic>POLYETHYLENES- CHEMICAL RADIATION EFFECTS</topic><topic>POLYMERIZATION</topic><topic>RADICALS</topic><topic>STYRENE- CHEMICAL RADIATION EFFECTS</topic><topic>VAPORS</topic><toplevel>online_resources</toplevel><creatorcontrib>Imai, Masahiko</creatorcontrib><creatorcontrib>Shimizu, Harumichi</creatorcontrib><creatorcontrib>Tokyo Metropolitan Isotope Research Center</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>J. 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The decay of radical concentration was also measured by ESR and the rate constant of the decay was determined. The alkyl type radical was affected only a little by styrene, while the allyl type radical was much affected by styrene. A new computer investigation method was proposed to clarify the reaction mechanism. The data obtained were substituted into differential equations and used to calculate the pattern of increase of the degree of grafting for the preirradiation method with reaction in the vapor phase. Results of these calculations suggest that only allyl type radicals induce grafting reactions and that the grafting reaction seldom occurs in the region of grafted polystyrene.</abstract><cop>New York</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/pol.1974.170121203</doi><tpages>11</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0360-6376 |
| ispartof | J. Polymer Sci., Polym. Chem. Ed., v. 12, no. 12, pp. 2729-2739, 1974-12, Vol.12 (12), p.2729-2739 |
| issn | 0360-6376 1542-9369 |
| language | eng |
| recordid | cdi_crossref_primary_10_1002_pol_1974_170121203 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | CHEMICAL REACTION KINETICS DECOMPOSITION ELECTRON SPIN RESONANCE GAMMA RADIATION GRAFT POLYMERS N40300 -Chemistry-Radiation Chemistry POLYETHYLENES- CHEMICAL RADIATION EFFECTS POLYMERIZATION RADICALS STYRENE- CHEMICAL RADIATION EFFECTS VAPORS |
| title | Kinetic approach to radiation–induced grafting in the polyethylene–styrene system |
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