| 摘要 |
PURPOSE: The coating composition of capsulation fertilizer is provided which forms a dense coating by cross-linking below 90°C. CONSTITUTION: The composition comprises 30- 95 weight % of oligomer(2; R is hydrocarbon, n is integer more than 2), 50- 70 weight % of oligomer curing agent(3; R1 and R2 are H or alkyl; n, m and o are integers) having an active amine group can react with glycidyl group at low temperature, 5- 70 weight % of oligomer curing agent, curing accelerator within 10 % and silane or polysiloxane compound within 10 %. |
