林产化学与工业Issue(2)：61-66,6.DOI:10.3969/j.issn.0253-2417.2014.02.011
两性木薯渣用于废纸浆助留助滤和改善成纸强度性能的研究
Application of Amphoteric Cassava Dregs in ONP and Its Impacts on Retention, Drainage and Paper Physical Strength
摘要
Abstract
The carboxymethylation pretreated cassava dregs grafted acrylamide and [ 2-methacryloyloxy ] trimethylammonium chloride(CMPCD-g-AD) was used in deinked pulp. The effects of the factors, including CMPCD-g-AD dosage, pH value, conductivity, and shearing force, on the retention, pulp drainage and handsheet physical properties were studied in this study. The results showed that the optimal retention and drainage could be obtained as the dosage of CMPCD-g-AD is 1. 2%, and the maximum value of drainage and first pass the retention (FPR) of recycled pulp is 244. 6 g in 60 s and 90. 46 %, respectively. The best pulp retention was acquired at pH 8. 5, and it decreased as the pH value was over 8. 5. Hence, the CMPCD-g-AD was suitable for applying in a nearly pH-neutral solution. The increasing of salt content had a adverse effect on drainage and the fines retention decreased slightly by 3. 8%. Shear force was negative for FPR, therefore, outlet of screen was proposed to be the point for adding CMPCD-g-AD. CMPCD-g-AD showed a significant positive impact on paper strength. The tensile index, burst index, tear index and breaking length were increased by 104. 38%,12. 77%,12. 95% and 88. 58%, respectively.关键词
两性木薯渣/助留助滤/废纸脱墨浆Key words
amphoteric cassava dregs/retention and drainage/ONP分类
化学化工引用本文复制引用
刘文静,武书彬,陶正毅..两性木薯渣用于废纸浆助留助滤和改善成纸强度性能的研究[J].林产化学与工业,2014,(2):61-66,6.基金项目
国家自然科学基金资助项目(31270635) （31270635）
广东省产学研专项资助(2011A090200006) （2011A090200006）
