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  1. smith, j. et al., "stability of tertiary amine catalysts in polyurethane systems", journal of applied polymer science, 2018.
  2. m¨¹ller, h. and weber, t., "encapsulated catalysts: mechanism and applications", progress in polymer science, 2017.
  3. iso standard 18179:2016 ¨C plastics ¨C determination of storage stability of polyurethane catalysts.

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