JP6007254B2 - ポリアニリン−グラファイトナノプレートレット材料 - Google Patents
ポリアニリン−グラファイトナノプレートレット材料 Download PDFInfo
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- JP6007254B2 JP6007254B2 JP2014535172A JP2014535172A JP6007254B2 JP 6007254 B2 JP6007254 B2 JP 6007254B2 JP 2014535172 A JP2014535172 A JP 2014535172A JP 2014535172 A JP2014535172 A JP 2014535172A JP 6007254 B2 JP6007254 B2 JP 6007254B2
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- carbon dioxide
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- graphite
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- 229910002804 graphite Inorganic materials 0.000 title claims description 50
- 239000010439 graphite Substances 0.000 title claims description 50
- 239000002064 nanoplatelet Substances 0.000 title claims description 28
- 239000000463 material Substances 0.000 title description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 150
- 239000002114 nanocomposite Substances 0.000 claims description 90
- 239000003463 adsorbent Substances 0.000 claims description 81
- 239000001569 carbon dioxide Substances 0.000 claims description 75
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 75
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 33
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 claims description 22
- 229920000767 polyaniline Polymers 0.000 claims description 22
- 238000001179 sorption measurement Methods 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 238000001228 spectrum Methods 0.000 claims description 11
- 239000007770 graphite material Substances 0.000 claims description 9
- 238000003795 desorption Methods 0.000 claims description 8
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 claims description 5
- 239000002041 carbon nanotube Substances 0.000 claims description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 5
- 229910003472 fullerene Inorganic materials 0.000 claims description 5
- 229910021389 graphene Inorganic materials 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 description 15
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229920002873 Polyethylenimine Polymers 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229920000083 poly(allylamine) Polymers 0.000 description 3
- 229920000128 polypyrrole Polymers 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000002608 ionic liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 238000004375 physisorption Methods 0.000 description 2
- 238000012643 polycondensation polymerization Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- -1 but not limited to Chemical group 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Description
グラファイトを、1:3の体積比の濃硝酸および濃硫酸と共に3日間激しく撹拌し、酸をインターカレートしたグラファイトを形成した。インターカレートしたグラファイトを1000℃で熱的に剥離し、グラファイトナノプレートレット(GNP)を形成した。GNPを濃硝酸でさらに処理し、親水性官能基(−COOH、−C=O、および−OH)をGNPの表面に導入した。官能化GNPを水で数回洗浄し、pH7を達成し、続いて乾燥させた。1モルの塩酸中の、官能化GNPおよびK2Cr2O7の混合物にアニリンを添加し、アニリンの縮重合およびポリアニリン/グラファイトナノプレートレット(PANI/GNP)のナノ複合体の形成を開始させた。次いで、ナノ複合体材料を濾過し、多量の水、続いてエタノールで洗浄して、残留酸化体を除去した。最後に、ナノ複合体をアセトンで洗浄し、60℃で乾燥させた。この合成法により、約1125cm−1、約1293cm−1、約1496cm−1、約1579cm−1、約2850cm−1、約2919cm−1、および約3433cm−1のバンドを有するフーリエ変換赤外(FTIR)スペクトルを示す、PANI/GNPナノ複合体吸着剤が乾燥粉末として生成された。
PANI/GNPナノ複合体による二酸化炭素吸着を、11バールの圧力および100℃の温度の平衡二酸化炭素で、Sieverts装置を使用して試験した。ファンデルワールス補正を用いた理想気体の方程式を使用して吸着能力を計算した。吸着は、PANI/GNPのグラム当たり23.2mmolの二酸化炭素であることが判明した。
コーティングされていないGNPによる二酸化炭素吸着を、11バールの圧力および100℃の温度の平衡二酸化炭素で、Sieverts装置を使用して試験した。ファンデルワールス補正を用いた理想気体の方程式を使用して吸着能力を計算した。吸着は、GNPのグラム当たり僅か3.5mmolの二酸化炭素であることが判明した。
PANI/GNPナノ複合体からの二酸化炭素ガスの脱着を、真空下(10−9バール)で140℃で行った。二酸化炭素の脱着後、ナノ複合体の形態は変化しておらず、吸着能力は初期値の5%以内であった。不完全な脱着が、観察された能力の変化をもたらすと考えられる。吸着−脱着サイクルを20回繰り返したが、PANI/GNPナノ複合体の能力は保たれた。
Claims (17)
- 少なくとも1つのグラファイトナノプレートレットと、
前記グラファイトナノプレートレット上に成長したポリアニリンと
を含む、二酸化炭素吸着剤である、ナノ複合体吸着剤。 - 二酸化炭素を可逆的に吸着する、二酸化炭素を保持する、二酸化炭素を脱着する、またはそれらの組合せを行うように構成される、請求項1に記載のナノ複合体吸着剤。
- 1125cm−1、1293cm−1、1496cm−1、1579cm−1、2850cm−1、2919cm−1、3433cm−1のバンド、またはそれらの組合せを含むフーリエ変換赤外(FTIR)スペクトルを示す、請求項1に記載のナノ複合体吸着剤。
- 吸着または保持された二酸化炭素を有するナノ複合体吸着剤が、1384cm−1のバンド、2318cm−1のバンド、またはそれらの組合せを含むフーリエ変換赤外(FTIR)スペクトルを示す、請求項1に記載のナノ複合体吸着剤。
- 11バールの圧力および25℃で、ナノ複合体吸着剤のグラム当たり少なくとも50mmolの二酸化炭素を吸着するように構成される、請求項1に記載のナノ複合体吸着剤。
- 11バールの圧力および100℃で、ナノ複合体吸着剤のグラム当たり少なくとも20mmolの二酸化炭素を吸着するように構成される、請求項1に記載のナノ複合体吸着剤。
- 10−9バールの圧力および140℃の温度で、少なくとも90%の、吸着した二酸化炭素を脱着するように構成される、請求項1に記載のナノ複合体吸着剤。
- 固体粉末である、請求項1に記載のナノ複合体吸着剤。
- 少なくとも1つのグラファイトナノプレートレットと、少なくとも1種のポリアニリンポリマーとを含むナノ複合体吸着剤を用意することと、
前記ナノ複合体吸着剤を二酸化炭素と接触させることと
を含む、二酸化炭素を吸着させる方法。 - 接触させることが、20℃から110℃で行われる、請求項9に記載の方法。
- 前記ナノ複合体吸着剤が、11バールの圧力および25℃で、ナノ複合体吸着剤のグラム当たり少なくとも50mmolの二酸化炭素を吸着するように構成される、請求項9に記載の方法。
- 前記ナノ複合体吸着剤が、11バールの圧力および100℃で、ナノ複合体吸着剤のグラム当たり少なくとも20mmolの二酸化炭素を吸着するように構成される、請求項9に記載の方法。
- 前記接触させることの後に、吸着した二酸化炭素を脱着させることをさらに含む、請求項9に記載の方法。
- 前記脱着させることが、10−9バールの圧力および140℃の温度で行われる、請求項13に記載の方法。
- 二酸化炭素の吸着および脱着が、可逆的である、請求項13に記載の方法。
- 少なくとも1種のグラファイト材料と、前記グラファイト材料上に成長したポリアニリンとを含むナノ複合体吸着剤を用意することと、
ナノ複合体吸着剤を、二酸化炭素を含む混合物と接触させることと
を含む、二酸化炭素を吸着させる方法。 - 前記少なくとも1種のグラファイト材料が、グラフェン、グラファイト、グラファイトナノプレートレット、酸化グラファイト、フラーレン、カーボンナノチューブまたはそれらの任意の組合せを含む、請求項16に記載の方法。
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US10514365B2 (en) * | 2015-09-24 | 2019-12-24 | Alireza Ghiasvand | Cooling-assisted inside needle capillary adsorption trap device for analyzing complex solid samples using nano-sorbent |
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