PIBSAPolyisobutylene Succinic Anhydride
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Comparison of PIBSA and PIBSA-MEA IR-spectra [16] shows that release of succinic anhydride at interaction of PIBSA with monoethanol amine is followed by formation of amide group with characteristic frequency of valent fluctuations v(NH) = 3150.
The product of PIBSA-MEA was obtained in laboratory using reaction (2) from PIBSA ("Chemical", China), M = 1000 g/mol.
The main lack of polymeric PIBSA emulsifiers and products based on it is the emulsification complexity (Table 3).