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Influence of the nature of a curing agent on the peculiarities of formation of vulcanization networks in polysulfide sealants

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Abstract

The molecular mobility of vulkanizates of liquid thiokols cured with various vulcanizing agents was studied by the NMR method in a wide temperature interval. The influence of the nature of vulcanizing agents and the structure of the forming vulcanization network on the change in the character of molecular mobility in vulcanizates of polysulfide oligomers was established. The correlation of effective (υeff) and chemical (υch) densities of vulcanization networks of thiokol sealants with parameters of the NMR spectrum of the latter was found. The influence of the nature of a curing agent on the peculiarities of the formation of vulcanization networks of polysulfide oligomers is discussed.

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References

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Authors and Affiliations

  1. Kazan State Technological University, ul. K. Marksa 68, Kazan, 420043, Tatarstan Russia

    V. S. Minkin, Yu. N. Khakimullin, T. R. Deberdeev & Al. Al. Berlin

  2. Semenov Institute of Chemical Physics of Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119991, Russia

    Al. Al. Berlin

Authors
  1. V. S. Minkin
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  2. Yu. N. Khakimullin
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  3. T. R. Deberdeev
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  4. Al. Al. Berlin
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Corresponding author

Correspondence to T. R. Deberdeev.

Additional information

Original Russian Text © V.S. Minkin, Yu.N. Khakimullin, T.R. Deberdeev, Al.Al. Berlin, 2009, published in Klei. Germetiki. Tekhnologii, 2009, No. 4, pp. 22–26.

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Minkin, V.S., Khakimullin, Y.N., Deberdeev, T.R. et al. Influence of the nature of a curing agent on the peculiarities of formation of vulcanization networks in polysulfide sealants. Polym. Sci. Ser. D 2, 195–198 (2009). https://doi.org/10.1134/S1995421209040017

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  • DOI: https://doi.org/10.1134/S1995421209040017

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