15-Crown-5 CAS 33100-27-5
ʻO 15-Crown ether-5 he wai waihoʻoluʻu ʻole, ʻākala, ʻeleʻele e hoʻopaʻa maʻalahi i ka makū a hiki ke hoʻopili ʻia me ka wai. Hiki ke hoʻoheheʻe ʻia i loko o nā mea hoʻoheheʻe kūlohelohe e like me ka ethanol, benzene, chloroform, a me dichloromethane. Loaʻa iā ia kahi mana paʻakikī koho no nā ion sodium a he mea hoʻololi hoʻololi hoʻololi kūpono a me ka mea hana paʻakikī.
'ikamu | Kūlana |
Ka nana aku | Keokeo aniani |
Maemae | ≥97% |
Lae hoʻohāhā | 38-41 ℃ |
Māmā | ≤3% |
1. Ka hoʻololi ʻana o ka pae
(1) Enhanced organic synthesis: hoʻomaikaʻi maikaʻi i ka wikiwiki o ka hopena a hāʻawi i nā hopena heterogeneous (e like me nā ʻōnaehana wai-paʻa paʻa). ʻo kahi laʻana:
I ka hopena condensation benzoin, hoʻohui i ka 7% o 15-lei aliʻi ether-5 hiki ke hoʻonui i ka hua mai kahi haʻahaʻa loa i 78%.
Ma ke kaʻina hoʻohui ʻo Wurtz no ka synthesizing silane, hoʻohui i ka 2% o 15-lei aliʻi ether-5 hiki ke hoʻonui i ka hua mai 38.2% a i 78.8%, a hoʻopōkole i ka manawa pane i 3 mau hola.
(2) E pili ana i nā ʻano pane: me ka nucleophilic substitution, redox a me metala organic reactions, ʻoi aku ka maikaʻi no nā hopena o nā paʻakai hiki ʻole ke hoʻololi ʻia (e like me ka potassium cyanide) i nā mea hoʻoheheʻe organik.
2. Pākuʻi electrolyte pākuʻi
(1) Ke kāohi nei i nā lithium dendrites: I loko o nā electrolytes pākaukau lithium, 15-crown ether-5 e hoʻemi i ka ʻike o ka ion ma ka ʻili electrode ma o ka hoʻopili ʻana i nā ion lithium (Li⁺), e hoʻoikaika ana i ka waiho ʻana like. Hōʻike nā hoʻokolohua ʻo ka hoʻohui ʻana i ka 2% hiki ke hana i kahi papa hoʻoheheʻe lithium maʻemaʻe a paʻa, a hoʻonui ʻia ke ola pōʻai i 178 mau manawa (Li|Li symmetric battery).
(2) E hoʻomaikaʻi i ka hoʻololi ʻana o nā ʻāpana lithium-oxygen: Hoʻoponopono i ke ʻano o ka hoʻonā ʻana o Li⁺, hoʻoikaika i nā kinetics decomposition o Li₂O₂, a hoʻonui i ka hoʻohuli ʻana o ka hopena.
(3) Ka hoʻohana ʻana i nā ʻenekona sodium-ion: E hoʻohana i kāna paʻakikī paʻakikī o Na⁺ e ʻoi aku ka maikaʻi o ka lawe ʻana i ka sodium ion.
3. Hoʻokaʻawale a me ka ʻike ʻana i ka ion metala
(1) Wehewehe koho: Loaʻa iā ia ka mana paʻakikī koho kiʻekiʻe no nā cations e like me Na⁺ a me K⁺, a hoʻohana ʻia no:
ʻO ka mālama ʻana i ka wai ʻino o nā ion metala kaumaha (e like me ka mercury a me ka uranium).
Hoʻihoʻi hou i nā mea radioactive i ka ʻōpala nuklea.
(2) Electrochemical sensors: E like me ka ʻike ʻana i nā molekala, ʻike pololei ʻo ia i nā ion kikoʻī (e like me K⁺ a me Na⁺) i loko o ke koko a i ʻole ke kaiapuni me ka ʻike kiʻekiʻe.
4. ʻepekema lāʻau lapaʻau a me nā mea waiwai
(1) Nā mea lawe lāʻau: E hoʻohana i kona biocompatibility (kekahi mau derivatives e like me 2-hydroxymethyl-15-crown ether-5) e hoʻokō i ka lawe ʻana i ka lāʻau lapaʻau a me ka hoʻokuʻu ʻia.
(2) Ka hoʻomākaukau ʻana i nā wai porous: Ma ke ʻano he mea hoʻoheheʻe, hui pū ʻia me nā polyhedrons organik metala (e like me MOP-18) e hana i nā wai porous wela no ka hoʻokaʻawale ʻana a i ʻole ka mālama ʻana.
5. Nā mea hana ʻoihana ʻē aʻe
(1) Hoʻohui kala: E hoʻomaikaʻi i ke ala ʻae e hoʻomaikaʻi i ka maʻemaʻe o ka wai a me ka hua8.
(2) ʻO ka catalysis metala makamae: Ma ke ʻano he ligand e hoʻonui ai i ka hana a me ka paʻa o nā catalysts e like me ka platinum a me ka palladium, a hoʻemi i ka nui o nā metala makamae i hoʻohana ʻia.
25kgs / pahu, 9tons / 20' pahu
25kgs / eke, 20tons / 20'container

15-Crown-5 CAS 33100-27-5

15-Crown-5 CAS 33100-27-5