Modification of Bentonite and its Microparticulate Retention Effect on Secondary Fibers
Modification of Bentonite and its Microparticulate Retention Effect on Secondary Fibers
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发表时间：
2006
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通讯作者：
Dong Yuan-feng
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作者：
Dong Yuan-feng
用氟化钠对膨润土进行高浓悬浮液改性，可作为造纸工业的微粒助留剂。并与常规碳酸钠改性膨润土浆料进行了比较。结果表明，经氟化钠改性的高浓度膨润土浆料可作为微颗粒助留剂。对造纸体系的pH值有很好的适应性，能提高细粒保留率，改善排水性，4周后仍能保持很好的分散性、流动性和细粒保留率。因此在造纸工业中作为微粒助留剂具有很大的应用价值。
The bentonite modified in high consistency suspension with fluoride sodium is used as microparticle retention aid in papermaking industry.It is compared with the conventional bentonite slurry modified by sodium carbonate.The results show that the high consistency bentonite slurry modified by fluoride sodium can be used as the microparticle retention aid.It has good adaptability with the pH value of papermaking system,it can increase the fines retention rate and improve the drainage,and maintains very good dispersity,fluidity and fines retention rate even after 4 weeks.So it has great application value as microparticle retention aid in papermaking industry.