空气中残留着防腐剂的味道。
讨论了轻质碳酸钙改性过程中偶联剂用量、反应时间、反应温度等因素对留着率的影响。
Discussed the influence to the retention rate by the dosage of coupling agents, the reaction time, the reaction temperature in modification.
随着淀粉磷酸酯中结合磷的提高，造纸添加剂对填料的留着和对细小纤维的留着作用均增大。
With the increase of combined phosphorus of starch phosphate ester, the retention of paper additive would increase to all of filling and fibril.
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