基于棉秆的离子液体溶解及其全纤维素复合材料的制备与性能研究
发布时间：2018-08-27 07:02
【摘要】：采用离子液体1-丁基-3-甲基咪唑氯盐{[BMIM]Cl}溶解棉秆纤维(CSF)制成溶剂,将棉秆皮纤维作为增强材料与所制得的溶剂复合制备全纤维素复合材料(ACC)。考察了温度、纤维素质量分数对纤维素/[BMIM]Cl体系黏度和复合材料力学性能的影响。采用偏光热台显微镜、扫描电镜(SEM)、X射线衍射(XRD)、FT-IR对棉秆纤维的溶解及复合材料结构进行表征。结果表明:在同一温度下,纤维素/[BMIMI]Cl体系黏度随着纤维素质量分数的增加呈现剧增趋势;在同一质量分数下,其黏度随着温度的升高呈下降趋势。当温度为105℃、纤维素溶液质量分数为8%时,全纤维素复合材料的拉伸强度达到最大值,为45.23 MPa。
[Abstract]:Using ionic liquid 1 Ding Ji 3 methyl imidazole chloride {[BMIM] Cl} to dissolve cotton stalk fiber (CSF) into solvent, cotton stalk skin fiber was used as reinforcement material and the prepared solvent was used to prepare holocellulose composite (ACC). The effects of temperature and cellulose mass fraction on the viscosity and mechanical properties of cellulose / [BMIM] Cl system were investigated. The dissolution of cotton stalk fiber and the structure of composite material were characterized by polarizing thermostat microscope and scanning electron microscope (SEM) X-ray diffraction (XRD) FT-IR. The results show that the viscosity of cellulose / [BMIMI] Cl system increases sharply with the increase of cellulose mass fraction at the same temperature, and decreases with the increase of temperature at the same mass fraction. When the temperature is 105 鈩，
本文编号：2206487
[Abstract]:Using ionic liquid 1 Ding Ji 3 methyl imidazole chloride {[BMIM] Cl} to dissolve cotton stalk fiber (CSF) into solvent, cotton stalk skin fiber was used as reinforcement material and the prepared solvent was used to prepare holocellulose composite (ACC). The effects of temperature and cellulose mass fraction on the viscosity and mechanical properties of cellulose / [BMIM] Cl system were investigated. The dissolution of cotton stalk fiber and the structure of composite material were characterized by polarizing thermostat microscope and scanning electron microscope (SEM) X-ray diffraction (XRD) FT-IR. The results show that the viscosity of cellulose / [BMIMI] Cl system increases sharply with the increase of cellulose mass fraction at the same temperature, and decreases with the increase of temperature at the same mass fraction. When the temperature is 105 鈩，
本文编号：2206487
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