Yintoni i-cellulose acetate?
I-cellulose acetate ibhekisela kwi-resin ye-thermoplastic efunyenwe nge-esterification kunye ne-acetic acid njenge-solvent kunye ne-acetic anhydride njenge-acetylating agent phantsi kwesenzo se-catalyst. organic acid esters.
Isazinzulu uPaul Schützenberge waqala ukwenza le fayibha ngo-1865, kwaye yayiyenye yeentsinga zokuqala zokwenziwa. Emva kweminyaka yophando, de kwangowe-1940, i-cellulose acetate yaba yenye yezona zinto zibalulekileyo kwimveliso yezakhelo zeglasi yamehlo.
KutheniIzakhelo zeglasi ye-acetateyahlukile?
Iifreyimu ze-acetate zinokuveliswa ngemibala eyahlukeneyo kunye neepatheni ngaphandle kwesidingo sokupenda isakhelo.
Ukuma kwe-acetate kuzisa imigangatho eyahlukeneyo yokungafihli kunye nepateni kwisakhelo. Emva koko olu yilo luhle lwenza iifreyimu ze-acetate zibe lukhetho olufanelekileyo ngakumbi kunezakhelo zeglasi zamehlo zeplastiki eziqhelekileyo.
Isakhelo se-acetate vs isakhelo seplastiki. Yintoni umahluko phakathi kwazo?
Izakhelo ze-acetate zikhaphukhaphu ngobunzima kwaye zithathwa ngokuba zikumgangatho ongcono kunezakhelo zeplastiki. Amaphepha e-acetate ayaziwa ngeempawu zabo ze-hypoallergenic, ezenza ukuba zibe lukhetho oludumileyo kubantu abanesikhumba esibucayi. Ngokungafaniyo nezinye iifreyimu zeplastiki okanye zentsimbi, zinokubangela ukusabela komzimba.
Ungafumana izakhelo zeplastiki ezikumgangatho ophezulu kakhulu. Nangona kunjalo, ngokubanzi azikhethwa ngaphezu kwezakhelo ze-acetate ngezi zizathu zilandelayo:
(1) Inkqubo yokuvelisa yenza isakhelo seplastiki sibe brittle ngakumbi kunesakhelo seacetate;
(2) Ukuba akukho sibiyeli sesinyithi setempile, kunzima ukulungisa iiglasi zeplastiki;
(3) Ukhetho olumbalwa lwemibala kunye neepateni
Kodwa into enye, uya kuqaphela ukuba iifreyimu ze-acetate zihlala zibiza kakhulu kunezakhelo zeplastiki eziqhelekileyo.
Kodwa izakhelo zamehlo ziyinto yemihla ngemihla esiyisebenzisa ixesha elide. Ngale ndlela, ukuqina kubalulekile, kwaye isakhelo se-acetate sihlala ixesha elide.
Kufuneka ukhethe nini ipere yeefreyimu ze-acetate?
(1) Ikhaphukhaphu kwaye ikhululekile
Njengenye yeemfuno zemihla ngemihla, ukukhanya kwe-acetate eyeglass frame ayiyi kubeka umthwalo onzima kwibhulorho yempumlo. Ukususela ekuvuleni amehlo akho kusasa ukuya kuphumza intloko yakho phezu komqamelo ebusuku, awuyi kuziva ungakhululekanga nokuba kufuneka unxibe iindondo imini yonke.
(2) Ukuhlala ixesha elide
Le yeyona nto iphambili eyenza iifreyimu zamehlo e-acetate zivelele kwiplastiki yendabuko okanye ezinye izinto. Izakhelo ze-acetate zenziwe ngokusika, ukwenza kunye nokupholisha iziqwenga ezininzi zezinto, ezizenza zomelele njengentsimbi kwaye zilungele iifreyimu zeglasi yamehlo.
(3) Uyilo olutyebileyo
Ngaba ubuya kuqwalasela ukukhetha isakhelo seglasi yamehlo ukuba asinalo naluphi na uyilo okanye umbala? Enye into ecacileyo kukuba iifreyimu ze-acetate zenzelwe ukuba zibe yifashoni-yokuqala. I-Cellulose acetate inobungqina besakhelo seglasi samehlo esichaza ifashoni kunye nesitayile.
Umphezulu wezakhelo zeplastiki zemveli zidla ngokutshizwa ngemibala kunye neepateni. Inokuba noyilo oluhle okanye umbala. Kodwa ekubeni ingaphezulu nje, ukusetyenziswa kwemihla ngemihla kunokubangela umbala wayo womphezulu kunye nepateni ukuba iphele. Emva konyaka okanye iinyanga ezimbalwa, basenokungabonakali kakuhle njengokuba babenjalo ngaphambili. Ngokungafaniyo nezakhelo zeglasi zamehlo zeplastiki, i-acetate yenza uyilo lube lula ukuyigcina, iphepha le-acetate linokuthi liyilwe ngeepatheni ezinemibala, ukwahlula okungafaniyo kunye nemibala emininzi onokukhetha kuyo, ukuyila kwakhona kunokugcina umlingiswa wayo ngokufanelekileyo ngaphandle kokutshiza okanye ukupeyinta.
ukuququmbela
I-Acetate ikhululekile, ikhaphukhaphu kwaye inesitayile kuzo zonke iimfuno zakho. Ngoko ke, kunokuthiwa yinto engcono kakhulu yokwenza iiglasi zeeglasi.
Ke, xa uthatha isigqibo sokuthenga iifreyimu zeglasi entsha kwixesha elizayo, nceda ucinge ngokusebenzisa izakhelo ezenziwe nge-acetate. Ukuba awuqinisekanga ukuba ungaqala ngaphi, ingqokelela ye-tortoiseshell esisiseko inokuba yindawo elungileyo yokuqalisa.
Ixesha lokuposa: Jul-27-2022