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PVA-Aluminum Sulfate Modified White-mud Fiber and Its Influence on the Paper Properties
  
DOI:10.11980/j.issn.0254-508X.2014.12.001
Key Words:white-mud fiber  surface modification  PVA (polyvinyl alcohol)  aluminum sulfate  paper properties
Author NameAffiliation
王 楠1 1. 陕西科技大学教育部轻化工助剂化学与技术重点实验室,陕西西安,710021 
苏秀霞1 1. 陕西科技大学教育部轻化工助剂化学与技术重点实验室,陕西西安,710021 
宋 洁1 1. 陕西科技大学教育部轻化工助剂化学与技术重点实验室,陕西西安,710021 
郑小鹏2 2.上海洁联环保科技有限公司,上海,201721 
吕檬夷1 1. 陕西科技大学教育部轻化工助剂化学与技术重点实验室,陕西西安,710021 
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Abstract:The white-mud fibers with moderate length were covered and modified with the hydrophilic modifier which was synthesized by polyvinyl alcohol (PVA) and aluminum sulfate and used as filler. The preparation of the modified white-mud fibers and the influence of its application as filler on the paper properties were studied. The results showed that when the white-mud fibers were modified with the modifier prepared under the conditions of temperature was 80℃, time was 90 min, m (PVA): m (aluminum sulfate) was 1∶0.5, the paper had the best strength with loading the same amount of white-mud fibers, when the dosage of white-mud fibers was 40%, the retention of modified white-mud fibers was 19.0% higher than that of unmodified white-mud fibers; when the dosage of white-mud fibers was 30%, the ring crush index and tensile strength were all increased by 25%.
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