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<title cf:type="text"><![CDATA[ -->Nanocellulose]]></title>
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<title xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="text"><![CDATA[High-yield Preparation of Cellulose Nanocrystals by Citric Acid Hydrolysis Combined with Catalyst and Mechanical Assistance]]></title>
<link><![CDATA[http://zgzz.ijournals.cn/zgzzen/ch/reader/view_abstract.aspx?file_no=202302001&flag=1]]></link>
<description xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="html"><![CDATA[High-yield cellulose nanocrystals （CNC） with high carboxyl group content were prepared from bleached sugarcane bagasse pulp， by citric acid hydrolysis， using ferric chloride as catalyst， with assistance of short-time micro fluidization. The results showed that addition of ferric chloride significantly improved the CNC yield of 60.2%. With addition of ferric chloride， the size of the CNC （119~507 nm） was significantly reduced， the carboxyl content and crystallinity were both increased to 1.01 mmol/g CNC and 74.7%， respectively. Prepared CNC had good thermal stability and dispersion stability. Moreover， mechanical energy consumption was effectively reduced due to acid hydrolysis pretreatment， and chemicals could be recycled with a recovery rate higher than 89%.]]></description>
<pubDate>2023/3/1 14:42:53</pubDate>
<category><![CDATA[Nanocellulose]]></category>
<author><![CDATA[CEN Yu,WANG Lisheng,XIANG Zhouyang,SONG Tao]]></author>
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<atom:name>CEN Yu,WANG Lisheng,XIANG Zhouyang,SONG Tao</atom:name>
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<title xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="text"><![CDATA[Preparation and Oil Absorption Properties of Hydrophobic and Oil-philic Nanocellulose Aerogel]]></title>
<link><![CDATA[http://zgzz.ijournals.cn/zgzzen/ch/reader/view_abstract.aspx?file_no=202302002&flag=1]]></link>
<description xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="html"><![CDATA[Nanocellulose （CNF， ECNF， and TCNF） prepared from softwood via different methods were used as the raw materials in this study. The aerogels were prepared by freeze drying and modified by impregnating with stearoyl chloride （SAC） solution. The results showed that particle size and charge distribution of TCNF were more uniform. The SAC modification had not changed the characteristics of lightweight and porous with porosity of 99.4%. The modified nanocellulose aerogels showed excellent hydrophobicity and great oil absorption ability. The S-ECNFA aerogel hydrophobic modified by SAC had the best hydrophobicity with the contact angle of 151.6°. S-TCNFA had the greatest oil absorption capacity with the edible oil adsorption capacity of 48.96 g/g aerogel， and had good recyclability. After 5 times reused， the adsorption capacity towards edible oil of S-TCNFA could still reach 60.8% of the initial adsorption capacity.]]></description>
<pubDate>2023/3/1 14:42:54</pubDate>
<category><![CDATA[Nanocellulose]]></category>
<author><![CDATA[HAN Yingying,ZHANG Feiyang,WU Jinhan,YAN Zhongyu,ZHAO Huifang]]></author>
<atom:author xmlns:atom="http://www.w3.org/2005/Atom">
<atom:name>HAN Yingying,ZHANG Feiyang,WU Jinhan,YAN Zhongyu,ZHAO Huifang</atom:name>
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<guid><![CDATA[http://zgzz.ijournals.cn/zgzzen/ch/reader/view_abstract.aspx?file_no=202302002&flag=1]]></guid><cfi:id>4</cfi:id><cfi:read>true</cfi:read></item>
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<title xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="text"><![CDATA[OCC-based Cellulose Nanofibril and Its Reinforcing Effect on Recycled Papermaking]]></title>
<link><![CDATA[http://zgzz.ijournals.cn/zgzzen/ch/reader/view_abstract.aspx?file_no=202302003&flag=1]]></link>
<description xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="html"><![CDATA[Old corrugated container （OCC） was pretreated oxidation by potassium permanganate， reaching the microfiber separation point， then combined with a slight homogenization treatment. The OCC-based cellulose nanofiber （OCNF） was efficiently obtained with a yield of approximate 70%. The OCNF had good nanometer size with the aspect ratio of 313， the Zeta potential was -21.0 mV， and the crystallinity was 69.23%. The OCNF films had good mechanical properties（stress of 44.16 MPa， strain of 5.82%， and elastic modulus of 2.55 MPa） and optical properties （transmittance of approximate 60%）. The obtained 5% OCNF was applied to OCC papermaking， and the tensile index， tear resistance index， and folding endurance of recycled paper increased by 27.74%， 40.97%， and 228.57%， respectively. The quality of white water had also been greatly improved， and the turbidity， suspended solids， and COD<sub>Cr</sub> had been reduced by 59.10%， 48.08%， and 42.17%， respectively.]]></description>
<pubDate>2023/3/1 14:42:56</pubDate>
<category><![CDATA[Nanocellulose]]></category>
<author><![CDATA[LIU Yali,ZHANG Sufeng,LI Nan,LI Lei,ZHU Xinyue,DENG Tingting]]></author>
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<atom:name>LIU Yali,ZHANG Sufeng,LI Nan,LI Lei,ZHU Xinyue,DENG Tingting</atom:name>
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<title xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="text"><![CDATA[Study on the Preparation Process of Industrial Hemp Stalk Nanocellulose]]></title>
<link><![CDATA[http://zgzz.ijournals.cn/zgzzen/ch/reader/view_abstract.aspx?file_no=202302004&flag=1]]></link>
<description xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="html"><![CDATA[In order to realize the high added value utilization of industrial hemp stalk， this study used industrial hemp stalk as raw material. By measuring the chemical components of the raw material， the basic characteristic of high cellulose content（41.45%）was shown， and the possibility of preparing nanocellulose was confirmed. Combined with ultrasound， the oxidized nanocellulose（TCNF）was prepared by TEMPO-NaBr-NaClO catalytic oxidation system. The morphology， chemical structure， crystallinity and thermal stability of TCNF in each stage of the preparation process were studied. The results showed that the TCNF prepared from the industrial hemp stalk had a uniform distribution of 3~6 nm in diameter， retained the typical Ⅰ-type structure of cellulose， had a crystallinity of 50.8%， and had good thermal stability.]]></description>
<pubDate>2023/3/1 14:42:57</pubDate>
<category><![CDATA[Nanocellulose]]></category>
<author><![CDATA[ZHANG Tao,LI Mengyang,XIANG Yuzhou,MA Peilin,YUE Jinquan]]></author>
<atom:author xmlns:atom="http://www.w3.org/2005/Atom">
<atom:name>ZHANG Tao,LI Mengyang,XIANG Yuzhou,MA Peilin,YUE Jinquan</atom:name>
</atom:author>
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<title xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="text"><![CDATA[Research of Absorbance Method for Detection of CNC Particle Size]]></title>
<link><![CDATA[http://zgzz.ijournals.cn/zgzzen/ch/reader/view_abstract.aspx?file_no=202302005&flag=1]]></link>
<description xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="html"><![CDATA[In this study， the relationship of absorbance and diameter of cellulose nanocrystal （CNC） was investigated by the suspension absorbance method. The results showed that when the CNC was 0.06 wt% with the test wavelength of 220 nm for 0 h， the absorbance value of CNC dispersion gradually decreased with the increase of CNC particle size. There was a good linear relationship between CNC diameter and absorbance， of which the linear equation was that <i>Y</i>（absorbance）=-0.0054<i>X</i>（CNC diameter）+0.4438， with a linear correlation <i>R</i><sup>2</sup> of 0.9931.]]></description>
<pubDate>2023/3/1 14:42:58</pubDate>
<category><![CDATA[Nanocellulose]]></category>
<author><![CDATA[SU Defeng,LIU Lu,XING Jialin,ZHAN Weimin,HUANG Shancong,XIA Xinxing]]></author>
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<atom:name>SU Defeng,LIU Lu,XING Jialin,ZHAN Weimin,HUANG Shancong,XIA Xinxing</atom:name>
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