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Cross-link variation in polyacrylic acid polymers for coating fertilizer pellets, promoting controlled release
(North-West University (South Africa), 2020)
Polyacrylic acid (PAA) cross-linkers have been prepared by the esterification of acrylic acid (AA) with linear diols and glycerol using an acid exchange resin catalyst (Amberlyst B-23) and Dean-Stark water removal to promote ...