Ukukhetha izixhobo ezifanelekileyo kubalulekile ukuqinisekisa uzinzo kunye nokusebenza kweentambo ze-optical ixesha elide. Izixhobo ezahlukeneyo ziziphatha ngendlela eyahlukileyo phantsi kweemeko ezibi kakhulu zendalo — izixhobo eziqhelekileyo zinokuba buthathaka kwaye ziqhekeke kumaqondo obushushu aphantsi, ngelixa kumaqondo obushushu aphezulu zinokuthamba okanye ziguquguquke.
Ngezantsi kukho izinto ezininzi ezisetyenziswa rhoqo kuyilo lweentambo ze-optical, nganye ineenzuzo zayo kunye nokusetyenziswa kwayo okufanelekileyo.
1. I-PBT (iPolybutylene Terephthalate)
I-PBT yeyona nto isetyenziswa kakhulu kwiityhubhu ezikhululekileyo zekhebula le-optical.
Ngokusebenzisa utshintsho — njengokongeza iziqwenga zetyathanga eziguquguqukayo — ukubuthathaka kwayo kubushushu obuphantsi kunokuphuculwa kakhulu, kuhlangatyezwane lula nemfuneko ye--40 °C.
Ikwagcina ukuqina okugqwesileyo kunye nozinzo oluphezulu phantsi kwamaqondo obushushu aphezulu.
Iingenelo: ukusebenza ngokulinganiselayo, ukusebenza kakuhle kweendleko, kunye nokusetyenziswa ngokubanzi.
2. I-PP (iPolypropylene)
I-PP inika ukuqina okugqwesileyo kumaqondo obushushu aphantsi, ithintela ukuqhekeka nokuba kukwindawo ebanda kakhulu.
Ikwabonelela ngokumelana okungcono kwe-hydrolysis kune-PBT. Nangona kunjalo, i-modulus yayo iphantsi kancinci, kwaye ukuqina kwayo kubuthathaka.
Ukukhetha phakathi kwe-PBT kunye ne-PP kuxhomekeke kuyilo lwesakhiwo sentambo kunye neemfuno zokusebenza kwayo.
3. I-LSZH (I-Compound ye-Halogen engenamsi ophantsi)
I-LSZH yenye yezona zinto zidumileyo zesheath ezisetyenziswayo namhlanje.
Ngeefomyula zepolymer eziphambili kunye nezongezo ezisebenzisanayo, iicompounds zeLSZH ezikumgangatho ophezulu zinokuhlangabezana novavanyo lwempembelelo yobushushu obuphantsi lwe--40 °C kwaye ziqinisekise uzinzo lwexesha elide kwi-85 °C.
Zineempawu ezibalaseleyo zokungatshisi ilangabi (ezivelisa umsi omncinci kwaye azinazo iigesi ze-halogen ngexesha lokutsha), kunye nokumelana okunamandla nokuqhekeka koxinzelelo kunye nokubola kweekhemikhali.
Lukhetho olukhethwayo kwiintambo ezithintela umlilo nezinobuhlobo nokusingqongileyo.
4. I-TPU (i-Thermoplastic Polyurethane)
Eyaziwa ngokuba “yinkosi yokumelana nokubanda nokuguguleka,” izinto zokugquma zeTPU zihlala ziguquguquka nokuba kumaqondo obushushu aphantsi kakhulu ngelixa zibonelela ngokuguguleka okuphezulu, ioyile, kunye nokumelana nokukrazuka.
Ilungele iintambo ze-drag chain, iintambo zemigodi, kunye neentambo zemoto ezifuna ukushukuma rhoqo okanye ezimele zinyamezele indawo ebandayo kakhulu.
Nangona kunjalo, kufuneka kuqwalaselwe ukuxhathisa amaqondo obushushu aphezulu kunye ne-hydrolysis, kwaye kucetyiswa ukuba kusetyenziswe amanqanaba asemgangathweni.
5. I-PVC (iPolyvinyl Chloride)
I-PVC lukhetho olungabizi kakhulu kwiishelufu zekhebula ze-optical.
I-PVC eqhelekileyo idla ngokuqina ize ibe buthathaka ngaphantsi kwe--10°C, nto leyo eyenza ukuba ingafaneleki kwiimeko zobushushu obuphantsi kakhulu.
Iifomyula ze-PVC ezimelana nokubanda okanye ezishushu kancinci ziphucula ukuguquguquka ngokongeza izixa ezikhulu ze-plasticizers, kodwa oku kunokunciphisa amandla oomatshini kunye nokumelana nokuguga.
I-PVC ingaqwalaselwa xa ukusebenza kakuhle kweendleko kuyinto ephambili kwaye iimfuno zokuthembeka kwexesha elide aziphezulu.
Isishwankathelo
Nganye kwezi zinto zekhebula le-optical inikezela ngeenzuzo ezahlukeneyo ngokuxhomekeke kwisicelo.
Xa kuyilwa okanye kusenziwa iintambo, kubalulekile ukuqwalasela iimeko zokusingqongileyo, ukusebenza koomatshini, kunye neemfuno zobomi benkonzo ukuze kukhethwe eyona nto ifanelekileyo.
Ixesha leposi: Oktobha-31-2025