1. Txheej txheem cej luam
Nrog rau kev loj hlob sai ntawm cov thev naus laus zis thiab kev sib txuas lus, cov xov hlau fiber ntau, ua cov khoom siv tseem ceeb ntawm kev xa cov ntaub ntawv niaj hnub no, ntsib qhov xav tau ntxiv rau kev ua haujlwm ntawm cov khoom siv thiab kev ntseeg siab ntawm cov khoom. Thaum lub sijhawm ua haujlwm ntev, cov xov hlau optical yuav tsum tiv taus kev ntxhov siab ntawm cov khoom siv, kev hloov pauv ib puag ncig, thiab kev hloov pauv kub, uas xav tau kev ruaj khov siab, kev ruaj khov, thiab kev ua haujlwm tau zoo los ntawm cov ntaub ntawv tsim kho.
Polybutylene Terephthalate (PBT) yog ib hom semi-crystalline thermoplastic engineering polymer, uas tau tsim los ntawm esterification thiab polycondensation ntawm dimethyl terephthalate (DMT) lossis terephthalic acid (TPA) nrog butanediol. PBT yog ib hom yas engineering uas tau muag lig heev, uas tau tsim los rau xyoo 1970s nrog kev tsim kho los ntawm GE Company, tab sis nws tau txais kev siv dav dav sai sai. PBT, nrog rau PPO, POM, PC, thiab PA, yog ib qho ntawm tsib hom yas engineering loj.
PBT feem ntau zoo li cov khoom siv mis nyuj uas pom tseeb mus rau qhov tsis pom kev nrog kev tiv taus kub siab thiab cov khoom siv kho tshuab zoo heev. Nws tiv taus ntau cov kuab tshuaj organic tab sis tsis tiv taus cov kua qaub lossis cov hauv paus muaj zog; nws yooj yim hlawv thiab lwj thaum kub siab. Nws cov qauv molecular suav nrog ob pawg methylene ntxiv piv rau PET, tsim cov pob txha caj qaum uas muab cov khoom siv zoo thiab kev ua haujlwm zoo.
Ua tsaug rau nws cov khoom zoo heev, kev ruaj khov tshuaj lom neeg, thiab kev ua haujlwm tau zoo, PBT tau siv dav hauv kev lag luam hluav taws xob, tsheb, kev sib txuas lus, khoom siv hauv tsev, thiab kev thauj mus los. Hauv kev lag luam fiber ntau optical, PBT feem ntau yog siv rau kev tsim cov raj fiber optic xoob thiab cov khoom sib txuas.
2. Cov Khoom Siv ntawm PBT
Hauv kev xyaum, PBT resin feem ntau yog ua tiav ua cov khoom sib xyaw, nrog ntau yam khoom ntxiv lossis sib xyaw nrog lwm cov resins kom txhim kho kev tiv taus cua sov, kev tiv taus hluav taws, kev rwb thaiv hluav taws xob, thiab kev ruaj khov ntawm kev ua haujlwm.
Cov Khoom Siv Lub Cev
PBT muaj lub zog siab, tawv, thiab tiv taus kev hnav, tiv thaiv cov fibers optical hauv cov cables thiab txo qhov cuam tshuam ntawm kev ntxhov siab sab nraud.
Kev Ruaj Ntseg Tshuaj
PBT tiv taus ntau yam tshuaj lom neeg, tsim nyog rau kev siv hauv cov chaw nyuaj, thiab pab ua kom muaj kev ruaj khov ntawm cov xov hluav taws xob optical mus sij hawm ntev.
Kev ua tau zoo
PBT yooj yim rau kev ua tiav los ntawm kev rho tawm, kev txhaj tshuaj molding, thiab lwm yam txheej txheem, ua tau raws li qhov yuav tsum tau ua ntawm qhov ntev thiab qhov sib xws rau cov khoom siv cable optical.
Kev Ruaj Ntseg Thermal
PBT tswj tau cov khoom ruaj khov thoob plaws ntau qhov kub thiab txias, ua rau nws tsim nyog rau cov xov hluav taws xob ua haujlwm hauv qab huab cua sib txawv thiab cov xwm txheej ib puag ncig.
3. Cov Kev Siv PBT Hauv Cov Cables Optical
Cov Hlab Fiber Optic Loose
PBT siv dav hauv kev tsim cov raj xa dej xoob. Nws lub zog siab thiab kev tawv nqaij muab kev txhawb nqa ruaj khov rau cov fibers optical, txo kev puas tsuaj los ntawm kev khoov lossis lub zog tensile. PBT raj xa dej xoob kuj muaj kev tiv taus cua sov zoo heev thiab kev ua haujlwm laus, ua kom ntseeg tau tias cov qauv ruaj khov rau kev siv mus sij hawm ntev.
Cov Cheebtsam ntawm Cable Structural
Hauv qee cov qauv tsim cable, PBT yog siv rau cov khoom tshwj xeeb lossis cov txheej sab nraud ua haujlwm kom txhim kho kev ua haujlwm ntawm cov khoom siv kho tshuab thiab kev hloov pauv ib puag ncig.
Cov Thawv Fiber Optic Splice thiab Cov Cheebtsam Sib Xws
PBT kuj tseem siv rau hauv cov thawv sib txuas thiab cov khoom sab hauv, uas xav tau kev sib khi, tiv taus huab cua, thiab ruaj khov kho. Cov qauv molecular thiab cov khoom siv lub cev ntawm PBT ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov khoom no.
Cov Kev Xav Txog Kev Ua Haujlwm
Ua ntej pwm, PBT yuav tsum tau ziab kom huv si, feem ntau ntawm 110–120°C li ntawm 3 teev. Qhov kub ntawm kev txhaj tshuaj pwm yuav tsum tswj hwm ntawm 250–270°C, nrog rau qhov kub ntawm pwm ntawm 50–75°C.
Vim PBT qhov kub hloov iav qis, nws crystallizes sai sai thaum txias, ua rau lub sijhawm txias luv luv. Yog tias qhov kub ntawm lub nozzle qis dhau, cov dej ntws yuav khov thiab thaiv. Tshaj 275 ° C lossis nyob ntev ntawm cov khoom yaj hauv lub thoob yuav ua rau puas tsuaj. Pom zoo kom muaj kev tso pa pwm kom zoo thiab "kev ua haujlwm ceev ceev, siab nruab nrab, kub nruab nrab". Cov txheej txheem khiav kub tsis pom zoo rau cov PBT uas tiv taus hluav taws lossis iav puv, thiab cov thoob yuav tsum tau ntxuav sai sai nrog PE lossis PP tom qab kaw kom tiv thaiv carbonization.
4. Cov txiaj ntsig ntawm PBT hauv Optical Cable Applications
Kev Ua Haujlwm Zoo Dua ntawm Cable: PBT lub zog thiab kev tawv nqaij txhim kho kev ua haujlwm ntawm cov khoom siv kho tshuab thiab kev tiv taus kev qaug zog, ua rau lub cable siv tau ntev dua.
Kev Ua Haujlwm Zoo Dua ntawm Kev Tsim Khoom: Kev ua haujlwm zoo heev ua rau kev ruaj khov ntawm kev tsim khoom thiab txo cov nqi.
Kev Txhim Kho Kev Ua Haujlwm Ntau Ntxiv: Kev tiv taus kev laus thiab kev ruaj khov ntawm cov tshuaj lom neeg ua kom muaj kev ntseeg siab rau cov xov hlau mus sij hawm ntev hauv cov chaw ib puag ncig hnyav.
5. Xaus Lus thiab Kev Cia Siab
Nrog rau kev nthuav dav ntawm cov tes hauj lwm sib txuas lus thiab cov ntawv thov, qhov kev thov rau cov khoom siv ua tau zoo thiab ruaj khov hauv cov xov hluav taws xob optical yuav txuas ntxiv nce ntxiv. Raws li cov yas engineering uas laus thiab sib npaug zoo, PBT qhia tau meej meej txog cov txiaj ntsig hauv cov raj xoob thiab cov khoom cuam tshuam.
Kev txhim kho yav tom ntej ntawm cov ntaub ntawv PBT yuav tsom mus rau kev ua kom zoo dua qub, kev ruaj khov ntawm kev ua haujlwm, thiab kev ruaj khov ntawm ib puag ncig. Los ntawm kev tsim kho tshiab thiab kev hloov kho khoom tshiab, PBT yuav ua lub luag haujlwm tseem ceeb hauv kev lag luam fiber ntau optical.
Lub sijhawm tshaj tawm: Lub Ob Hlis-14-2026