本文二维码信息
二维码（扫一下试试看！）
肉桂酰化聚木糖改善APMP浆性能的研究
Improvement of APMP Pulp Properties by Using Cinnamoylated Xylans as Additive
收稿日期：  
DOI：10.11980/j.issn.0254-508X.2017.02.001
关键词:  肉桂酰化聚木糖  聚木糖衍生物  APMP浆  性能
Key Words:cinnamoylated xylans  xylan derivative  APMP pulp  properties
基金项目:本课题得到国家自然科学基金（31370580，31470602）、山东省重大科技专项（2014ZZCX09101，2015ZDZX09002）和泰山学者工程专项经费的资助。
作者单位
周慧芳 齐鲁工业大学制浆造纸科学与技术教育部重点实验室,山东济南,250353 
杨桂花* 齐鲁工业大学制浆造纸科学与技术教育部重点实验室,山东济南,250353 
陈嘉川* 齐鲁工业大学制浆造纸科学与技术教育部重点实验室,山东济南,250353 
孔凡功 齐鲁工业大学制浆造纸科学与技术教育部重点实验室,山东济南,250353 
王　强 齐鲁工业大学制浆造纸科学与技术教育部重点实验室,山东济南,250353 
摘要点击次数: 6664
全文下载次数: 1935
摘要:探讨了不同取代度聚木糖衍生物肉桂酰化聚木糖（CX）对碱性过氧化氢机械浆（APMP）性能的改善。结果表明，添加CX可以明显提高APMP浆的性能和配抄效果。较理想的CX取代度为0.18，CX较理想的添加条件为混合时间15 min和用量1.0%，此条件下添加CX的APMP浆抄造纸张的裂断长、耐破指数、撕裂指数、白度分别较未添加的提高了37.4%、90.5%、19.0%、3.7%。将KP浆与APMP浆配抄，不同配抄比例下添加CX的APMP浆均有较好的配抄效果；在达到相近物理性能条件下，可以显著降低KP浆的配抄比例。扫描电镜和红外光谱分析表明，CX吸附留着在纤维表面，减少了纤维之间的空隙，改善了纸张表面的均匀性。
Abstract:In this study improvement of the properties of alkaline peroxide mechanical pulp (APMP) by using cinnamoylated xylans (CX) with different degrees of substitution (DS) were investigated. The results showed that the physical strength properties of APMP were significangtly improved by using CX as additive. The optimal DS of CX was 0.18, and the optimal application conditions of adding CX were 15 min of mixing time and 1.0% of CX dosage, in which the physical strength properties and papermaking performance of APMP were optimal. Compared with the control APMP without additive, the breaking length, burst index, tear index, and brightness of the added APMP increased by 37.4%, 90.5%, 19.0% and 3.7% respectively. When blending KP and APMP to prepare the furnish, adding CX could obtain the similar strength of the paper by reducing the proportion of KP or increasing the proportion of APMP. The analysis of SEM and FT-IR spectra indicated that CX was adsorbed on the surface of the pulp fibers, which decreased the porosity between the fibers and improved the uniformity of paper surface.
查看全文  HTML  查看/发表评论  下载PDF阅读器