Uyayikhumbula imelamine?Yinto edume kakubi "yokongeza umgubo wobisi", kodwa ngokumangalisayo, inokuthi "iguqulwe".

Ngomhla we-2 kaFebruwari, iphepha lophando lapapashwa kwiNdalo, ijenali yenzululwazi yamazwe ngamazwe ekhokelayo, ebanga ukuba i-melamine inokwenziwa ibe yinto enzima kunentsimbi kunye nekhaphukhaphu kuneplastiki, abantu bamangaliswa kakhulu.Eli phepha lapapashwa liqela elikhokelwa ngusosayensi wezinto ezidumileyo uMichael Strano, unjingalwazi kwiSebe lezobuNjineli beMichiza kwiMassachusetts Institute of Technology, kwaye umbhali wokuqala wayengumfundi we-postdoctoral uYuwei Zeng.

Kuthiwa bathiywe igamaimpahla kwiiphuma kwi-melamine 2DPA-1, i-polymer ene-dimensional-dimensional edibanisa ngokwayo ibe ngamashiti ukuze yenze into engaxinananga kodwa eyomeleleyo ngokugqithisileyo, imathiriyeli ekumgangatho ophezulu, apho amalungelo awodwa omenzi wechiza aye afayilwa.

I-Melamine, eyaziwa njenge-dimethylamine, yikristale emhlophe ye-monoclinic ekhangeleka ifana nobisi p

I-Melamine ayinancasa kwaye inyibilika kancinane emanzini, kodwa nakwi-methanol, i-formaldehyde, i-acetic acid, i-glycerin, i-pyridine, njl njl. Ayinyibiliki kwi-acetone kunye ne-ether.Kuyingozi kumzimba womntu, kwaye zombini i-China kunye ne-WHO ichaze ukuba i-melamine ayifanele isetyenziswe kwi-processing yokutya okanye izongezo zokutya, kodwa eneneni i-melamine isabaluleke kakhulu njengezinto ezibonakalayo zeekhemikhali kunye nezixhobo zokwakha, ngakumbi kwiipeyinti, i-lacquers, iipleyiti, i-adhesives kunye nezinye iimveliso zinezicelo ezininzi.

I-molecular formula ye-melamine yi-C3H6N6 kunye ne-molecular weight 126.12.Ngefomula yayo yeekhemikhali, sinokwazi ukuba i-melamine iqulethe izinto ezintathu, i-carbon, i-hydrogen kunye ne-nitrogen, kwaye iqulethe isakhiwo sekhabhoni kunye ne-nitrogen amakhonkco, kwaye izazinzulu kwi-MIT zifumene kwiimvavanyo zabo ukuba ezi molekyuli ze-melamine monomers zinokukhula kwimilinganiselo emibini phantsi kokufanelekileyo. iimeko, kunye neebhondi ze-hydrogen kwiiamolekyuli ziya kumiswa kunye, ziyenze ngokuqhubekayo Iibhondi ze-hydrogen kwiimolekyuli ziya kulungiswa kunye, ziyenze i-disk shape in stacking rhoqo, njengesakhiwo se-hexagonal esakhiwe yi-graphene ene-dimensional graphene. , kwaye esi sakhiwo sizinzile kwaye sinamandla, ngoko i-melamine iguqulwa ibe yi-high-quality sheet-dimensional sheet ebizwa ngokuba yi-polyamide ezandleni zenzululwazi.

Izinto eziphathekayo nazo azinzima ukuvelisa, utshilo uStrano, kwaye zinokuveliswa ngokuzenzekelayo kwisisombululo, apho ifilimu ye-2DPA-1 inokususwa kamva, inika indlela elula yokwenza izinto ezinzima kakhulu kodwa ezibhityileyo ngobuninzi obukhulu.

Abaphandi bafumanise ukuba izinto ezintsha zinemodyuli yokunwebeka, umlinganiselo wamandla afunekayo ukuze ukhubazeke, owuphindaphinda kane ukuya kutsho kathandathu kuneglasi engangenwa bullet.Baye bafumanisa ukuba nangona isinye-yesithandathu sixinene njengentsimbi, i-polymer iphindwe kabini amandla okuvelisa, okanye amandla afunekayo ukuphula izinto.

Enye ipropathi ephambili yezinto eziphathekayo kukungabi namoya.Ngelixa ezinye iipolymers ziquka amatyathanga ajijekileyo anezikhewu apho irhasi inokubaleka khona, izinto ezintsha ziqulathe iimonomers ezincamathela ndawonye njengeebhloko zeLego kwaye iimolekyuli azikwazi ukungena phakathi kwazo.

Oku kusivumela ukuba senze i-ultra-thin coatings echasene ngokupheleleyo namanzi okanye ukungena kwegesi, "zatsho izazinzulu.Olu hlobo lokugquma umqobo lunokusetyenziswa ukukhusela iintsimbi ezimotweni nakwezinye iimoto okanye kwizakhiwo zentsimbi.

Ngoku abaphandi bafunda ukuba le polima inokuthi yenziwe njani ibe ngamashiti anamacala amabini ngokweenkcukacha ngakumbi kwaye bazama ukutshintsha ukwakheka kweemolekyuli ukwenza ezinye iintlobo zezinto ezintsha.

Kucacile ukuba esi sixhobo sinqweneleka kakhulu, kwaye ukuba sinokuveliswa ngobuninzi, sinokuzisa utshintsho olukhulu kwi-automotive, i-aerospace, kunye neendawo zokukhusela i-ballistic.Ngokukodwa kwintsimi yezithuthi zamandla amatsha, nangona amazwe amaninzi aceba ukukhupha izithuthi zepetroli emva kwe-2035, kodwa uluhlu lwangoku lwezithuthi zamandla amatsha luseyingxaki.Ukuba le nto entsha ingasetyenziselwa kwintsimi yeemoto, kuthetha ukuba ubunzima bezithuthi zamandla amatsha buya kuncitshiswa kakhulu, kodwa nokunciphisa ukulahleka kwamandla, okuya kuphucula ngokungathanga ngqo uluhlu lwezithuthi zamandla amatsha.