Summary
Methyl methacrylate-ethylene glycol dimethacrylate (MMA-EGDM) copolymerization has been investigated in toluene at a monomer concentration of 22 w/v %. The kinetic models developed recently along with the experimental conversion curve and gel point data provided the calculation of the average reactivity of pendant vinyl groups. It was found that the pendant vinyl reactivity for intermolecular links is much less than the monomeric vinyl reactivity and it decreases further as the EGDM concentration increases. At 5–15 mol % EGDM, the average pendant reactivity is 1–2 orders of magnitude lower than the monomeric vinyl reactivity. The reduced pendant reactivity is mainly responsible for the shift of the gel point towards higher conversions.
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References
Walling C (1945) J Am Chem Soc 67: 441
Flory PJ (1953) Principles of Polymer Chemistry, Cornell Univ, Ithaca, NY
Dotson NA, Diekmann T, Macosko CW, Tirrell M (1992) Macromolecules 25: 4490
Whitney RS, Burchard W (1980) Makromol Chem 181: 869
Galina H, Dusek K, Tuzar Z, Bohdanecky M, Stokr J (1980) Eur Polym J 16: 1043
Landin DT, Macosko CW (1988) Macromolecules 21: 846
Okay O, Naghash HJ, Capek I (in preparation)
Hayden P, Melville H (1960) J Polym Sci 43: 215
Horie K, Otagawa A, Muraoko M, Mita M (1975) J Polym Sci Polym Chem Edn 13: 445
Li WH, Hamielec AE, Crowe CM (1989) Polymer 30: 1513
Matsumoto A, Takahashi S, Oiwa M (1990) Poly Prepr 31: 149
Gordon M, Roe RJ (1956) J Polym Sci 21: 27
Minnema L, Staverman AJ (1958) J Polym Sci 29: 281
Stauffer D, Coniglio A, Adam M (1982) Adv Polym Sci 44: 103
Dusek K (1982) In Developments in Polymerization-3; (ed RN Haward), p 143, Applied Science, London
Holt T, Simpson W (1956) Proc Roy Soc (London) A 238: 154
Tobita H, Hamielec AE (1990) Polymer 31: 1546
Tobita H, Hamielec AE (1992) Polymer 33: 3647
Okay O, Kurz M, Lutz K, Funke W (in preparation)
Tobita H, Hamielec AE (1989) Macromolecules 22: 3098
Fukuda T, Ma YD, Inagaki H (1985) Macromolecules 18: 17
Okay O (1994) Polymer 35: 796
Okay O (1994) Polymer 35: 2613
Skeist I (1946) J Am Chem Soc 68: 1781
Odian G (1981) Principles of Polymerization, McGraw-Hill, NY, chapter 6.
Shen J, Tian Y, Wang G, Yang M (1991) Makromol Chem 192: 2669
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Okay, O., Naghash, H.J. Pendant vinyl group reactivity during the free-radical copolymerization of methyl methacrylate and ethylene glycol dimethacrylate. Polymer Bulletin 33, 665–672 (1994). https://doi.org/10.1007/BF00296080
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DOI: https://doi.org/10.1007/BF00296080