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Strength Properties and Yellowing Performances of the Paper Made of High Yield Pulp and Titanium Dioxide Loaded on Ceramic Fiber Matrix
  
DOI：10.11980/j.issn.0254-508X.2017.06.002
Key Words:high yield pulps  ceramic fiber  TiO2  strength properties  yellowing
Fund Project:中国林科院中央级公益性科研院所基本科研业务费专项资金（CAFYBB2017ZX003-08）；江苏省生物质能源与材料重点实验室项目（JSBEM2014012）。
Author NameAffiliation
胡嘉驹1，2 1.中国林业科学研究院林产化学工业研究所；国家林业局林产化学工程重点开放性实验室；生物质化学利用国家工程实验室；江苏省生物质能源与材料重点实验室,江苏南京，210042；2.华东理工大学材料科学与工程学院,上海，200237 
房桂干1,* 1.中国林业科学研究院林产化学工业研究所；国家林业局林产化学工程重点开放性实验室；生物质化学利用国家工程实验室；江苏省生物质能源与材料重点实验室,江苏南京，210042 
李　蔚2 2.华东理工大学材料科学与工程学院,上海，200237 
沈葵忠1 1.中国林业科学研究院林产化学工业研究所；国家林业局林产化学工程重点开放性实验室；生物质化学利用国家工程实验室；江苏省生物质能源与材料重点实验室,江苏南京，210042 
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Abstract:In this paper, the effects of mixing TiO2 loaded on ceramic fiber matrix with high yield pulp on the strength, optical properties and the inhibition of brightness reversion resultant paper were studied. It was shown that the properties of the paper containing ordinary TiO2 were different from that containing nano-TiO2. At the same inorganic content in the paper, strength properties (tensile strength, burst index, tear index and bonding strength) of the nano-TiO2 contained paper were all better than that of the TiO2 contained paper, but its optical properties (brightness and opacity) and yellow-inhibiting properties were lower than that of the TiO2 contained paper. The optical and yellow-inhibiting properties of the paper could be improved obviously by adding TiO2loaded on ceramic fiber matrix into the high yield pulps, and a yellow-inhibition of 81.3% (in term of the PC drop) was obtained at inorganic content of 33.8%．
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