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Interfacial Modification Effect of Debonder in Poly (Butylene Succinate)- Chemithermomechnical Pulp Fiber Composites
  
DOI：10.11980/j.issn.0254-508X.2015.06.005
Key Words:debonder  PBS  CTMP fiber  composite  interfacial modification
Fund Project:陕西省教育厅科研专项基金资助项目（14JK1102），陕西省科技大学博士启动金资助项目（BJ11-23）；陕西科技大学学术带头人团队项目（2013XSD25）资助项目。
Author NameAffiliation
岳小鹏 陕西科技大学轻工与能源学院, 陕西省造纸技术及特种纸品开发重点实验室, 陕西西安, 710021 
徐永建 陕西科技大学轻工与能源学院, 陕西省造纸技术及特种纸品开发重点实验室, 陕西西安, 710021 
邵佳静 陕西科技大学轻工与能源学院, 陕西省造纸技术及特种纸品开发重点实验室, 陕西西安, 710021 
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Abstract:Debonder, a kind of bond weakening reagent usually used in the production of fluff pulp, was used as interfacial modifier in poly (butylene succinate (PBS)-chemithermomechnical pulp (CTMP) fiber composites. Physical properties measurement of handsheets prepared with debonder treated fibers indicated that the bonding strength between fibers was sharply decreased. The mechanical property of composites prepared from treated fiber showed significant improvement. In comparison with untreated ones, the tensile strength, impact strength and bending strength of composites containing 40% of CTMP fiber treated with 0.50% debonder increased by 21.9%, 22.3% and 35.4%, respectively. Furthermore, the data of rheological measurement indicated that the addition of debonder reduced the shear viscosity of composite, and favored the processing process of composite. Analysis of DMA and SEM showed that the interfacial bonding between treated CTMP fiber and PBS matrix was improved.
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