Polybutylene terephthalate(PBT) is a semi-crystalline, thermoplastic saturated polyester, kazhinji ine mukaka chena, granular yakasimba pakamuri tembiricha, inowanzoshandiswa mukugadzira optical cable thermoplastic secondary coating material.
Optical fiber secondary coating inzira yakakosha mukugadzirwa kwefiber optical. Kungotaura, kuwedzera chidziviriro kune iyo optical fiber primary coating kana buffer layer inogona kuvandudza kugona kweoptical fiber kurwisa longitudinal uye radial kusagadzikana uye kufambisa iyo optical fiber post-processing. Nekuda kwekuti iyo yekuputira iri padyo nefiber optical, ine simba rakakura pakuita kweiyo optical fiber, saka iyo yekupfekedza zvinhu inodiwa kuti ive nediki mutsara wekuwedzera coefficient, yakakwirira crystallinity mushure meextrusion, yakanaka kemikari uye kugadzikana kwekupisa, kutsetseka kwemukati nekunze madziro eiyo coating layer, imwe tensile simba uye Young's performance modulus, uye ine yakanaka maitiro ekuita modulus. Fiber coating kazhinji yakakamurwa kuita mapoka maviri: yakasununguka chivharo uye yakasimba chivharo. Pakati pazvo, iyo yakasununguka sheath zvinhu inoshandiswa mune yakasununguka sheath coating ndiyo yechipiri yekubikira layer yakasimudzwa mune yakasununguka sleeve mamiriro kunze kweiyo yekutanga coating fiber.
PBT yakajairika yakasununguka sleeve zvinhu ine yakanakisa kuumba uye kugadzirisa zvivakwa, yakaderera mwando kunyura uye yakakwirira mutengo kuita. Kunyanya kushandiswa mukatiPBTkugadziridzwa, PBT waya kudhirowa, casing, firimu kudhirowa uye mamwe minda. PBT ine yakanaka ma mechanic properties (senge tensile resistance, bending resistance, side pressure resistance), good solvent resistance, mafuta kuramba, chemical corrosion resistance, uye fiber paste, cable paste uye zvimwe zvikamu zvetambo zvine kuenderana kwakanaka, uye ine yakanakisa molding process performance, yakaderera mwando kunyudza, inodhura-inoshanda. Iwo makuru ehunyanzvi ekuita zviyero anosanganisira: intrinsic viscosity, goho simba, tensile uye kukotama elastic modulus, simba rekuita (notch), mutsara wekuwedzera coefficient, kunyura kwemvura, hydrolysis kuramba uye zvichingodaro.
Nekudaro, neshanduko yefiber tambo chimiro uye nharaunda yekushanda, zvimwe zvinodiwa zvinoiswa pamberi kune fiber buffer bushing. Yakakwira crystallization, yakaderera shrinkage, yakaderera mutsara wekuwedzera coefficient, yakanyanya kuomarara, yakakwirira yekumanikidza simba, yakanakisa makemikari kuramba, yakanaka kugadzirisa kuita, uye yakaderera-mutengo zvinhu ndizvo zvinangwa zvinotevedzwa nevanogadzira tambo dzemagetsi. Parizvino, pane zvikanganiso mukushandiswa uye mutengo webhoti chubhu yakagadzirwa nePBT zvinhu, uye nyika dzekunze dzakatanga kushandisa PBT alloy zvinhu kutsiva yakachena PBT zvinhu, iyo yakaita basa rakanaka uye basa. Parizvino, akati wandei makuru epamba makambani tambo ari kugadzirira, makambani etambo zvinhu anoda kuenderera mberi tekinoroji innovation, kutsvagisa uye kuvandudza kwezvinhu zvitsva.
Ehe, mune yakazara PBT indasitiri, fiber optic tambo zvikumbiro zvinongotora chikamu chidiki chemusika wePBT. Zvinoenderana neindasitiri masosi, mune yese PBT indasitiri, iyo yakawanda yemusika mugove inonyanya kugarwa neminda miviri yemotokari uye simba. Zvisungo, relay uye zvimwe zvigadzirwa zvakagadzirwa neakagadziridzwa PBT zvinhu zvinoshandiswa zvakanyanya mumotokari, zvemagetsi nemagetsi midziyo yemagetsi uye mimwe minda, uye kunyangwe PBT ine maapplication mumunda wemachira, senge bristles yemabhurashi emazino anogadzirwawo nePBT. Izvi zvinotevera kushandiswa kwePBT munzvimbo dzakasiyana-siyana:
1.Minda yemagetsi nemagetsi
PBT zvinhu zvinoshandiswa zvakanyanya mumagetsi nemagetsi emagetsi, senge zvigadziko zvemagetsi, mapulagi, zvigadziko zvemagetsi uye zvimwe zvikamu zvemagetsi zvemumba. Nekuti PBT zvinhu zvine yakanaka yekuvharisa kuita uye yakakwirira tembiricha kuramba, yakanyatsokodzera ganda, bracket, insulation sheet uye zvimwe zvikamu zvemagetsi nemagetsi emagetsi. Mukuwedzera, PBT zvinhu zvinogonawo kushandiswa kugadzira LCD skrini yekumashure kavha, TV shell uye zvichingodaro.
2.Munda wemotokari
PBT zvinhu zvinoshandiswa zvakanyanya mundima yemotokari. Pamusana pezvakanaka zvayo zvekushisa kwepamusoro, kuparara uye kusagadzikana kwekusapfeka, PBT zvinhu zvinoshandiswa zvakanyanya mukugadzirwa kwezvikamu zvemotokari, zvakadai sekudya zvakawanda, pombi yemafuta yepombi, sensor housing, brake system components, etc. Mukuwedzera, zvinhu zvePBT zvinogonawo kushandiswa pakugadzirisa zvigaro zvemotokari, zvigaro zvekugadzirisa zvigaro, nezvimwewo.
3.Indasitiri yemichina
Muindasitiri yemichina, zvinhu zvePBT zvinowanzoshandiswa kugadzira zvibatiso zvematurusi, switch, mabhatani, etc. PBT zvinhu zvine simba rakanakisa remagetsi uye kusagadzika kwekusagadzika, inogona kumirisana nemasimba akasiyana-siyana emagetsi, uye ine makemikari akanaka ekudzivirira kusvibiswa, anokodzera zvikamu zvakasiyana-siyana mumunda weindasitiri yemichina.
4.Indasitiri yezvigadzirwa zvekurapa
PBT zvinhu zvine yakanaka yakakwirira tembiricha kuramba uye yakakwirira kugadzikana kwemakemikari, iyo yakakodzera kwazvo kugadzirwa kwemidziyo yekurapa. Semuenzaniso, zvinhu zvePBT zvinogona kushandiswa kugadzira dzimba dzemishonga yezvokurapa, mapaipi, zvibatanidza, nezvimwewo. Uyezve, zvinhu zvePBT zvinogonawo kushandiswa kugadzira majekiseni ekurapa, seti yekupinza uye midziyo yakasiyana-siyana yekurapa.
5. Kukurukurirana kwemaziso
Mundima ye optical communication, PBT inoshandiswa zvakanyanya mukugadzira tambo yemagetsi seyakajairwa yakasununguka sleeve zvinhu. Mukuwedzera, PBT zvinhu zvinoshandiswa zvakanyanya mumagetsi emagetsi. Pamusana pemaitiro ayo akanaka emagetsi uye kupisa kwekushisa kwepamusoro, PBT zvinhu zvinoshandiswa kugadzira optical fiber connectors, optical fiber distribution frames, etc. Mukuwedzera, PBT zvinhu zvinogonawo kushandiswa kugadzira lenzi, magirazi, Windows uye zvimwe zvikamu zvemaziso.
Kubva pakuona kweindastiri yese, mumakore achangopfuura, mabhizinesi akakodzera akazvipira mukuvandudza kwakasiyana-siyana kwekushandisa matekinoroji matsva uye zvigadzirwa zvitsva, uye PBT yakagadziridzwa munzira yekushanda kwepamusoro, kushanda uye kusiyanisa. Pure PBT resin tensile simba, kukotama simba uye kubhenda modulus zvakaderera, hazvigone kushandiswa zvakanyanya mundima yeindasitiri, saka kune zvinodiwa zveindasitiri yeindasitiri, indasitiri kuburikidza nekugadzirisa kuvandudza mashandiro ePBT. Semuenzaniso, girazi fiber inowedzerwa kuPBT - girazi fiber ine zvakanakira kushandiswa kwakasimba, nzira yekuzadza iri nyore uye mutengo wakaderera. Nekuwedzera girazi fiber kuPBT, izvo zvepakutanga zvakanakira zvePBT resin zvinounzwa mukutamba, uye kusimba kwesimba, kukotama simba uye notch kukanganisa simba rezvigadzirwa zvePBT zvinovandudzwa zvakanyanya.
Parizvino, nzira huru dzekumba nekune dzimwe nyika ndeyekugadziriswa kwecopolymerization, inorganic material filling modification, nanocomposite tekinoroji, blending modification, nezvimwewo, kuvandudza kushanda kwakazara kwePBT. Kugadziriswa kwezvinhu zvePBT kunonyanya kutarisisa zvinhu zvesimba rakakwirira, moto unopisa, wakaderera warpage, kuderera kwemvura uye dielectric yakaderera.
Kazhinji, maererano neindasitiri yese yePBT, kudiwa kwekushandisa munzvimbo dzakasiyana-siyana kuchiri kwakawanda, uye kugadziridzwa kwakasiyana-siyana zvinoenderana nezvinodiwa nemusika ndizvo zvakare zvinozivikanwa tsvakiridzo nekusimudzira zvinangwa zvePBT indasitiri yemabhizinesi.
Nguva yekutumira: Zvita-17-2024