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·316· 精细化工 FINE CHEMICALS 第 38 卷
CO 2 、N 2 )起到稀释易燃气体的作用,阻燃剂的加 (化工学报), 2013, 64(1): 182-197.
入延缓了 MCC 的燃烧。在 434~600 ℃之间,失重 [6] LIU H (刘晖), SHI T J (史铁钧), WU X L (吴星林). Synthesis of
pyridine-based polyether ionic liquid and mechanical properties of its
较为缓慢,其次,MP、APP 加热易失水,生成高交 curing system with epoxy resin[J]. Plastics Manufacture (塑料制造),
联度的氮磷化合物炭层附着于 MCC 基体上,隔离 2011, (3): 70-73.
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了热量的相互传递作用。纳米 SiO 2 的加入增强了 et al. Inorganic synthesis in ionic liquids[J]. Progress in Chemistry
MCC 的刚性,提高了燃烧物的残炭率 [22] 。 (化学进展), 2009, 21(10): 2077-2083.
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Preparation of phenolic resin composites with functional ionic liquids
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of cellose with ionic liquids[J]. Journal of the American Chemical
Society, 2002, 124(18): 4974-4975.
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[11] National Textile Standardization Technical Committee. Testing
method of degree of polymerization oframie cellulose: GB/T 5888—
1986[S]. Beijing: China Standard Press (中国标准出版社), 1986:
1-11.
图 8 MCC-0 与 MCC-12 的 TG 曲线 [12] WANG L L (王琳琳), WEI L G (魏立纲), MA Y C (马英冲), et al.
Fig. 8 TG curves of MCC-0 and MCC-12 Effect of 1-butyl-3-methylimidazolium chloride-water mixtures on
cellulose[J]. CIESC Journal (化工学报), 2015, 66(1): 32-37.
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3 结论 cellulose dissolved in ionic liquid using laser-heated melt-
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[14] National Plastics Standardization Technical Committee. Plastics—
(1)当溶解温度为 90 ℃,TBAC 含量为 8%时, Determination of burning characteristics—Horizontal and vertical
[CmVIM]Cl/TBAC 体系对 MCC 的溶解率达 6.3%, test: GB/T2408—2008[S]. Beijing: China Standard Press (中国标准
出版社), 2008: 1-18.
此时 MCC 的聚合度降至 505,结晶度为 46.4%,表 [15] National Plastics Standardization Technical Committee. Plastics—
明此溶剂对 MCC 具有良好的溶解性。 Determination of burning behaviour by oxygen index—Part 1:
(2)相比于原 MCC,再生 MCC 结晶度降低, Guidance: GB/T 2406. 1—2008[S]. Beijing: China Standard Press
(中国标准出版社), 2008: 1-7.
晶型结构由纤维素Ⅰ转为纤维素Ⅱ,热稳定性下降, [16] MA H (马浩), LIAO C Y (廖春燕), FAN M L (樊梅林), et al.
且其表面粗糙呈不规则结构,为 MCC 的转化利用 Dissolution of cellulose in carboxylate-based task-specific ionic
liquids[J]. Chinese Journal of Applied Chemistry (应用化学), 2018,
提供了崭新的平台。
35(4): 449-456.
(3)当 MP、APP、SiO 2 的质量分数分别为 5%、 [17] XU Y G (许耀光). Synthesis of novel imidazole ionic liquids and
10%、10%时,阻燃纤维素复合材料的阻燃效果最佳, their solubility to cellulose[D]. Fuzhou: Fujian Agriculture and
Forestry University (福建农林大学), 2017.
LOI 为 33.5%,垂直燃烧等级为Ⅴ-0,拓宽了 MCC [18] CUI Y H (崔玉虎). Study on dissolution and regeneration of
的应用领域。 cellulose in the new solvent system[D]. Chengdu: Southwest
Jiaotong University (西南交通大学), 2017.
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