Zinc oxide/cellulose nanocrystalline composite material as well as preparation method and application thereof

The invention discloses a zinc oxide/cellulose nanocrystalline composite material as well as a preparation method and application thereof. The composite material is synthesized by adopting an in-situmethod and comprises the following steps: dissolving nanocellulose in a Zn(NO3)2.6H2O aqueous solution, then adding an alkaline solution to enable a pH value to reach 8.0-11.0 and stirring for 6-30 hours under the condition of 30-55 DEG C to obtain. After the paper cultural relic surface is sprayed with zinc oxide/cellulose nanocrystalline, a paper material not only has good bacteriostasis behavior, but also is improved in mechanical property, and a pH value of paper can also be further improved. 本发明公开了种氧化锌/纤维素纳米晶复合材料及其制备方法与应用。所述复合材料是采用原位法合成的，包括下述步骤：将纳米纤维素溶于Zn(NO)6HO水溶液中，随后向其中加入碱溶液使其pH值达到8.0～11.0，再在30～55℃条件下搅拌6～30小时，即得。在纸质文物表面喷涂本发明氧化锌/纤维素纳米晶后，纸张材料不但具有良好的抑菌行为，其力学性能也得以改善，纸张的pH值还可以得到进步的提高。