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r. j. young et al. "recent advances in delayed action catalysts for polyurethane systems" progress in organic coatings 2021
m. s. kim et al. "thermal-responsive catalysts for powder coatings: a review" journal of applied polymer science 2020
a. gupta et al. "encapsulation strategies for controlled release catalysts in thermoset coatings" chemical engineering journal 2022

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