Better filler retention in DIP was realized when the cationic guar gum was used as retention aids, the filler retention increased by 40.92% when the CGG (DS=0.30) dosage was 0.05%.

• 研究结果表明；半干法制备的阳离子瓜尔胶对废纸脱墨浆有良好的助留效果；当其用量为0.；05%25时；填料留着率提高了40