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Nonfluorinated Multifunctional Superhydrophobic Cellulose Sheet with Polysaccharide B Biopolymer-Based Hierarchical Rough Composite Structure
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2020-05-15 , DOI: 10.1021/acssuschemeng.0c00203 Cheng Chen 1 , Mingming Liu 1 , Yuanyuan Hou 1 , Liping Zhang 1 , Dong Wang 1 , Huiyuan Shen 1 , Chenyang Ding 1 , Chen Li 1 , Shaohai Fu 1
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2020-05-15 , DOI: 10.1021/acssuschemeng.0c00203 Cheng Chen 1 , Mingming Liu 1 , Yuanyuan Hou 1 , Liping Zhang 1 , Dong Wang 1 , Huiyuan Shen 1 , Chenyang Ding 1 , Chen Li 1 , Shaohai Fu 1
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By virtue of the mixed-color effect between the oligochitosan (OCS)/aminopropyltriethoxysilane (APTES) aminated yellow pulp and reactive dyes, the 1,4-conjugate addition reaction of amino groups and acrylate groups was carried out onto the mixed-color amino-pulp surface to form a hierarchical rough polymeric structure; an oily pen writable polychrome cellulose sheet was fabricated via a squeezing–drying method and exhibited water-repellency, self-cleaning, antifouling, and good color stability. Based on the construction principle from cellulose pulp to the cellulose sheet, squeezing the hydrophilic colored cellulose filter cake covered on an undried superhydrophobic yellow cellulose sheet could form a Janus membrane with asymmetric wettability and color, which could be used for on-demand oil–water separation. Furthermore, after chitosan (CS) cooperating with APTES proceeded with the amination modification of cellulose pulp, the cellulose sheet with both superhydrophobicity and fluorescence produced from UV excitation was prepared via a biopolymer-based rough structure onto the aminated pulp caused by the above-mentioned 1,4-conjugate addition reaction and then the treatment of squeezing–drying. Meanwhile, this antiwetting cellulose sheet with UV photoluminescence exhibited a strong fluorescence intensity and outstanding resistance to fluorescence quenching, thus revealing good application prospects in durable fluorescence-labeled detection and fluorescent antifalse fiber. We believe that the as-prepared nonfluorinated multifunctional superhydrophobic cellulose sheet based on a simple room-temperature reaction and biomass materials, cellulose and polysaccharide biopolymer, as reaction units is conducive to the realization of cleaning production with a high-efficiency shortened process, which is promising in fundamental research and practical applications.
中文翻译：
基于多糖B生物聚合物的分层粗糙复合结构的非氟化多功能超疏水纤维素片材
借助低聚壳聚糖（OCS）/氨基丙基三乙氧基硅烷（APTES）胺化的黄色纸浆和活性染料之间的混合色效果，将氨基和丙烯酸酯基团进行的1,4-共轭加成反应在混合色氨基纸浆表面形成分层的粗糙聚合物结构；一种油性可写笔型彩色纤维素片，是通过挤压干燥法制成的，具有疏水性，自清洁性，防污性和良好的颜色稳定性。根据从纤维素纸浆到纤维素片材的构造原理，挤压覆盖在未干燥的超疏水性黄色纤维素片材上的亲水性彩色纤维素滤饼可形成具有不对称润湿性和颜色的Janus膜，可用于按需油水分离。此外，在与APTES合作的壳聚糖（CS）进行纤维素纸浆的胺化改性后，通过基于生物聚合物的粗糙结构，将生物素基粗糙结构制备具有超疏水性和由UV激发产生的荧光的纤维素片材，该纤维素纸浆是由上述1引起的， 4-共轭加成反应，然后进行干缩处理。同时，这种具有紫外光致发光的抗湿纤维素片材表现出很强的荧光强度和出色的抗荧光猝灭性，从而在耐久的荧光标记检测和荧光抗假纤维中显示出良好的应用前景。我们认为，基于简单的室温反应和生物质材料制备的非氟化多功能超疏水纤维素片材，
更新日期：2020-05-15
中文翻译：
基于多糖B生物聚合物的分层粗糙复合结构的非氟化多功能超疏水纤维素片材
借助低聚壳聚糖（OCS）/氨基丙基三乙氧基硅烷（APTES）胺化的黄色纸浆和活性染料之间的混合色效果，将氨基和丙烯酸酯基团进行的1,4-共轭加成反应在混合色氨基纸浆表面形成分层的粗糙聚合物结构；一种油性可写笔型彩色纤维素片，是通过挤压干燥法制成的，具有疏水性，自清洁性，防污性和良好的颜色稳定性。根据从纤维素纸浆到纤维素片材的构造原理，挤压覆盖在未干燥的超疏水性黄色纤维素片材上的亲水性彩色纤维素滤饼可形成具有不对称润湿性和颜色的Janus膜，可用于按需油水分离。此外，在与APTES合作的壳聚糖（CS）进行纤维素纸浆的胺化改性后，通过基于生物聚合物的粗糙结构，将生物素基粗糙结构制备具有超疏水性和由UV激发产生的荧光的纤维素片材，该纤维素纸浆是由上述1引起的， 4-共轭加成反应，然后进行干缩处理。同时，这种具有紫外光致发光的抗湿纤维素片材表现出很强的荧光强度和出色的抗荧光猝灭性，从而在耐久的荧光标记检测和荧光抗假纤维中显示出良好的应用前景。我们认为，基于简单的室温反应和生物质材料制备的非氟化多功能超疏水纤维素片材，
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