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Softening Modification of White Mud Fibers and Its Papermaking Performance
  
DOI：10.11980/j.issn.0254-508X.2013.12.005
Key Words:white mud fibers  soften  CMC  paper strength
Author NameAffiliation
毛　敏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 
郑小鹏2 2.上海洁联环保科技有限公司，上海，201721 
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 
郭明媛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:White mud fiber with brittleness characterise was modified by the self synthesized softener PVA-KH560，the changes of the fiber surface were observed by scanning electron microscopy (SEM). The modified and unmodified white mud fibers were separately mixed with plant fibers as papermaking furnish. The effect of application of the white mud fibers on paper properties was determined, and the effect of adding different concentration of CMC on dispersing of white mud fibers and the strength of white mud fiber or plant fiber composite paper were studied. The results showed that with increasing of the white mud fiber amount, the paper tensile strength, compressive strength decreased. The optimum dispersing concentration of CMC was 0.8%（based on weight）. And the strength of paper added CMC was significantly improved. When the addition of white mud fiber was 30%, the tensile index and ring crush index increased by 40% and 42%, respectively.
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