Ikhaya> uluhlu lokubonisa
Iiarhente zeNyukliya zizixhobo eziphambili ezinceda ukuba izinto zomelele kwaye zilungelelaniswe ngakumbi. Zifana ne-elves ezincinci ezinomlingo ezinokusebenza ubusuku nemini ukwenza imathiriyeli ibengcono ngeendlela ezininzi. Makhe sijonge ukuba zeziphi ii-arhente zenyukliya eziKhethekileyo eziKhethayo eziPhezulu, kwaye zingenza njani umahluko omkhulu kwizinto esizisebenzisayo ngamaxesha onke.
A i-agent yokucoca luhlobo olukhethekileyo lweekhemikhali ezincedisa ekwenzeni izakhiwo ezincinci, ezilungelelanisiweyo kwizinto eziphathekayo. Ikwenza oku ngokunika iikristale ipateni ukuze zikhule zijikeleze; indawo yokuqalisa ukuququzelela kunokusuka nje kwisiphithiphithi. Yicinge njengeqhekeza lephazili elivumela ezinye iziqwenga ukuba zihlangane kakuhle. Ukongeza ii-agent ze-nucleating zinokwenza into yomelele, icace ngakumbi kwaye ibe ngcono ekubambeleleni kwimilo yayo.
Iicrystals zibandakanyeka kuwo onke amanqanaba ophuhliso lwemathiriyeli, ukusuka kwikristale ukuya ekuqinisweni kwayo, ngoko ke ukulawula iimilo zaloo mkhenkce (okanye iwax okanye itshokolethi) iikristale yenye yeendima eziphambili zokuKhetha ii-agent ze-nucleating zeMichiza ePhezulu. Ukuba iikristale zivumelekile ukuba zenze impukane, zishiya izinto ezinokuthi zibe buthathaka kwaye zibe buthathaka. Ii-agent ze-Nucleating zibonelela ngethemplethi yeekristale ukuba zikhule zibe yinto ehambelanayo eyakhiweyo, ukuqinisa kunye nokuqina kwezinto eziphathekayo. Oku kubaluleke ngakumbi kwimixholo efana ne-biopharmaceutical, okanye amashishini okutya axhomekeke kwizinto ezinenkcazelo emxinwa.
Ii-agent ze-Nucleating zinokwandisa ukusetyenziswa kwezinto ngokuphucula inani leempawu zazo. Njengokuba, polypropylene arhente nucleating zinokuphucula ukubonakala kweeplastiki ukuze zifaneleke ngcono ukupakishwa kunye nezixhobo zonyango. Zingasetyenziselwa ukukhusela izinto kumaqondo obushushu aphezulu kwaye zilungele ukusetyenziswa kwimizi-mveliso yeemoto kunye ne-aerospace. Iimathiriyeli zinokunikezelwa ngakumbi kwaye zilungele iinjongo ezahlukeneyo ngeendlela ze-nucleating agents.
Iipolymers zizinto ezenziwe ngemitya emide yeemolekyuli; zibonakala kwiimveliso ezininzi eziqhelekileyo, kubandakanya izinto zokudlala, iimpahla kunye nokupakishwa. Ii-ajenti zeNyukliya zingundoqo ekwandiseni ukusebenza kweepolymers ngokuncedisa kulawulo lwecrystallization. Oku kunokubangela ukuphuculwa kweekhemikhali, ezihlala ixesha elide, iiplastiki eziguquguqukayo. Iiarhente zeNyukliya zinokuvumela iipolymers ukuba zenziwe ngokwezifiso ukwenza oko kufunekayo kuzo, ngoko ke ziluncedo ekujoliseni kumashishini.
Iiarhente zeNyukliya zisetyenziswa kumashishini amaninzi. I i-agent ye-nucleating kwi-polymer kwishishini lokupakisha, umzekelo, baye baqeshwa ukwandisa ukucaca kwebhotile yeplastiki kunye namandla. Kumayeza, anokuba negalelo ekuveliseni imixube yamachiza ezinzileyo nesebenzayo. Kwishishini leemoto, ii-agent ze-nucleating zinokunyusa iimpawu zeeplastiki ezisetyenziswa kwiindawo zemoto. Ihlabathi liyi-oyster, kwaye njengoko izazinzulu zifumanisa amandla e-Top Choosing Chemical nucleating agents, izicelo ezintsha ezimangalisayo ziya kulandela ngokungathandabuzekiyo kwizithende zokufumanisa.
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