CN109535434A - 一种氢键共价有机凝胶材料hcog-3的合成方法 - Google Patents
一种氢键共价有机凝胶材料hcog-3的合成方法 Download PDFInfo
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 14
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 14
- 238000010189 synthetic method Methods 0.000 title claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 36
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003960 organic solvent Substances 0.000 claims abstract description 8
- 239000012153 distilled water Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- MNBHRGAIQJFCIO-UHFFFAOYSA-N benzene-1,3,5-tricarbohydrazide Chemical compound NNC(=O)C1=CC(C(=O)NN)=CC(C(=O)NN)=C1 MNBHRGAIQJFCIO-UHFFFAOYSA-N 0.000 claims abstract 4
- 238000000502 dialysis Methods 0.000 claims abstract 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract 2
- 238000000034 method Methods 0.000 abstract description 3
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- 239000000126 substance Substances 0.000 abstract 1
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- 239000000499 gel Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229920000620 organic polymer Polymers 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
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- 238000005481 NMR spectroscopy Methods 0.000 description 2
- YRITVODHCMDVSY-VEGPOJNRSA-N [(2r,3s,5r)-5-(6-aminopurin-9-yl)-2-(phosphonooxymethyl)oxolan-3-yl] [(2r,3s)-3-hydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl hydrogen phosphate Chemical compound O=C1NC(=O)C(C)=CN1C1O[C@H](COP(O)(=O)O[C@@H]2[C@H](O[C@H](C2)N2C3=NC=NC(N)=C3N=C2)COP(O)(O)=O)[C@@H](O)C1 YRITVODHCMDVSY-VEGPOJNRSA-N 0.000 description 2
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Abstract
一种氢键共价有机凝胶材料HCOG‑3的合成方法,该方法是:将苯‑1,3,5‑三酰肼溶于有机溶剂二甲基亚砜中,保持其浓度为0.02mol/L,命名为A溶液;将1,4‑二(4‑醛基苯基)苯溶于A溶液中,保持其浓度为0.03mol/L,命名为B溶液,B溶液中各物质的摩尔比为:苯‑1,3,5‑三酰肼:1,4‑二(4‑醛基苯基)苯=2:3。将B溶液放置在恒温油浴锅内,100℃加热反应10分钟,得到黄色凝胶;将黄色凝胶置于透析袋中,以蒸馏水作为透析液,除去有机溶剂,2‑3天后,透析袋内出现明显分层后取出,得到获取物。将获取物倒入烧杯中,在低温条件下冷冻,随后进行冷冻干燥,得到氢键共价有机凝胶材料HCOG‑3。HCOG‑3具有非晶态无定型结构,具有优良的热稳定性以及较大的比表面积。
Description
技术领域
本发明属于纳米材料与环境材料制备领域,涉及氢键共价有机凝胶材料HCOG-3的合成方法。其中的HCOG是氢键共价有机凝胶的英文缩写,其中的杠3是编号。
背景技术
多孔有机聚合物(Porous Organic Polymers,POPs),包括结晶态和无定型形态,由于它们在储气,催化,传感和许多其他领域取得了相当大的进步,因此在许多研究人员中一直备受关注。共价有机凝胶(Covalent Organic Gels,COGs),作为一类多孔有机聚合物,是由中间聚集体诱导的多孔共价有机材料。与以前众所周知的POPs相比,共价有机凝胶的优点包括两个主要方面:①反应时间短和合成产率高;②从微孔到大孔的较广的孔径分布。然而,COG的合理设计仍然是一个很大的挑战。
通常,凝胶机制包括三个步骤,包括:①胺-醛缩合形成COF链;②COF链聚集以符合COF颗粒(COFP);③COFP的聚集以构建分层的COG结构。在COG形成期间,COFP通过各种非共价相互作用连接在一起,例如弱范德华力、氢键、π-π堆积等,其中,由酰胺,羧酸,羰基产生的氢键在COG的合成中起着重要作用。据我们所知,还没有报道关注由氢键诱导形成的COG。
发明内容
本发明的目的在于提供一种氢键共价有机凝胶材料HCOG-3的合成方法,所制得的HCOG-3材料具有大的比表面积,并具有很好的热稳定性和水溶液稳定性。
一种氢键共价有机凝胶材料HCOG-3的合成方法,包括以下步骤:
步骤一:将苯-1,3,5-三酰肼(BTCH)溶于有机溶剂二甲基亚砜(DMSO)中,保持其浓度为0.02mol/L,命名为A溶液。
步骤二:将1,4-二(4-醛基苯基)苯(TPDA)溶于A溶液中,保持其浓度为0.03mol/L,命名为B溶液。
此时,上述B溶液中摩尔比为:苯-1,3,5-三酰肼:1,4-二(4-醛基苯基)苯=2:3。
步骤三:将上述B溶液放置在恒温油浴锅内,100℃加热反应10分钟,得到黄色凝胶;
步骤四:将步骤三得到的黄色凝胶置于透析袋中,以蒸馏水作为透析液,除去有机溶剂,2-3天后,透析袋内出现明显分层后取出,得到获取物。
步骤五:将步骤四得到的获取物倒入烧杯中,在低温条件下冷冻,随后进行冷冻干燥,得到氢键共价有机凝胶材料HCOG-3。
本发明的有益效果在于:
本发明合成方法得到的共价有机凝胶材料HCOG-3具有非晶态无定型结构,具有优良的热稳定性以及较大的比表面积。
附图说明
图1是本发明合成的HCOG-3的合成示意图。
图2是本发明合成的HCOG-3的粉末X-射线衍射谱图。
图3是本发明合成的HCOG-3的扫描电子显微镜照片。
图4是本发明合成的HCOG-3的傅里叶变换-红外光谱图。
图5是本发明合成的HCOG-3的固体核磁共振13C CP/MAS谱图。
图6是本发明合成的HCOG-3在氮气气氛下的热重曲线。
图7是本发明合成的HCOG-3的氮气吸脱附曲线。
图8是本发明合成的HCOG-3的流变学测试。
具体实施方式
合成HCOG-3所使用的原料均为商业可得产品。
如图1所示,一种氢键共价有机凝胶材料HCOG-3的合成方法。包括以下步骤:
步骤一:称取50mg苯-1,3,5-三酰肼(BTCH)溶于5mL有机溶剂二甲基亚砜(DMSO)中,保持其浓度为0.02mol/L,命名为A溶液。
步骤二:称取80mg1,4-二(4-醛基苯基)苯(TPDA)溶于A溶液中,保持其浓度为0.03mol/L,命名为B溶液。
此时,上述B溶液中摩尔比为:苯-1,3,5-三酰肼:1,4-二(4-醛基苯基)苯=2:3。
步骤三:将上述B溶液放置在恒温油浴锅内,100℃加热反应10分钟,得到黄色凝胶。
步骤四:将步骤三得到的黄色凝胶置于透析袋中,以蒸馏水作为透析液,除去有机溶剂,2-3天后,透析袋内出现明显分层后取出,得到获取物。
步骤五:将步骤四得到的获取物倒入烧杯中,在低温条件下冷冻,随后进行冷冻干燥,得到氢键共价有机凝胶材料HCOG-3。
本发明合成的HCOG-3的粉末X-射线衍射谱图如图2所示。
本发明合成的HCOG-3的扫描电子显微镜照片如图3所示。
本发明合成的HCOG-3的傅里叶变换-红外光谱如图4所示。
本发明合成的HCOG-3的固体核磁共振13C CP/MAS谱如图5所示。本发明合成的HCOG-3在氮气气氛下的热重曲线如图6所示。
本发明合成的HCOG-3的氮气吸脱附曲线如图7所示。
本发明合成的HCOG-3的流变学测试如图8所示。
本发明合成的HCOG-3材料优势在于:
1、非晶态无定型结构,较大的比表面积,对污染物具有强吸附性2、具有优良的热稳定性。
Claims (1)
1.一种氢键共价有机凝胶材料HCOG-3的合成方法,包括以下步骤:
步骤一:将苯-1,3,5-三酰肼溶于有机溶剂二甲基亚砜中,保持其浓度为0.02mol/L,命名为A溶液;
步骤二:将1,4-二(4-醛基苯基)苯溶于A溶液中,保持其浓度为0.03mol/L,命名为B溶液;
此时,上述B溶液中摩尔比为:苯-1,3,5-三酰肼:1,4-二(4-醛基苯基)苯=2:3;
步骤三:将上述B溶液放置在恒温油浴锅内,100℃加热反应10分钟,得到黄色凝胶;
步骤四:将步骤三得到的黄色凝胶置于透析袋中,以蒸馏水作为透析液,除去有机溶剂,2-3天后,透析袋内出现明显分层后取出,得到获取物;
步骤五:将步骤四得到的获取物倒入烧杯中,在低温条件下冷冻,随后进行冷冻干燥,得到氢键共价有机凝胶材料HCOG-3。
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CN110790940B (zh) * | 2019-10-29 | 2021-06-11 | 西北师范大学 | 一种双三足超分子聚合物有机凝胶及其的制备和应用 |
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