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Study on Enzymatic Beating of Insulating Pulp
  
DOI：10.11980/j.issn.0254-508X.2013.11.003
Key Words:unbleached insulated pulp  mixed enzyme  pretreatment  enzymatic beating
Author NameAffiliation
刘群华1,2 1.中国制浆造纸研究院，北京，100102；2.制浆造纸国家工程实验室，北京，100102 
刘　文1,2,3 1.中国制浆造纸研究院，北京，100102；2.制浆造纸国家工程实验室，北京，100102；3.北京林业大学材料科学与技术学院，北京，100083 
黄小雷1,2 1.中国制浆造纸研究院，北京，100102；2.制浆造纸国家工程实验室，北京，100102 
陈雪峰1,2 1.中国制浆造纸研究院，北京，100102；2.制浆造纸国家工程实验室，北京，100102 
许　跃1,2 1.中国制浆造纸研究院，北京，100102；2.制浆造纸国家工程实验室，北京，100102 
王月江1,2 1.中国制浆造纸研究院，北京，100102；2.制浆造纸国家工程实验室，北京，100102 
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Abstract:The enzyme consisting different proportion of hemicellulase and cellulase was used to study the effect of enzymatic beating of the unbleached insulating softwood kraft pulp. The effects of dosage of enzyme and pretreatment temperature on enzymatic beating were studied. The results indicated that enzymatic pretreatment had remarkable effects on the improvement of paper strength and saving of beating time when beating degree was in the range of 45~85°SR. When beating degree was over 90°SR, the beating degree increased very slowly for both control pulp and enzymatic pretreated pulp. Enzymatic pretreated pulp in higher temperature caused serious degradation of the fibers which lead to poorer paper strength when beating degree was 95°SR compared to the enzymatic pretreated pulp in lower temperature and the control pulp.
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