Cov ntaub ntawv hlau thiab cable TPE thiab TPU sib piv kev ua tau zoo thiab daim ntawv thov

Pa luam yeeb tsawg | Tsis muaj Halogen | Tiv thaiv hluav taws

Cov thermoplastic elastomers tam sim no tau nyiam los ntawm ntau tus neeg Hlau Thiab Cable cov chaw tsim khoom rau lawv qhov zoo ntawm kev ywj pheej siab, kev ywj pheej, thiab kev xav du. Raws li cov ntaub ntawv PVC raug txwv hauv ntau lub sijhawm, thermoplastic elasticity tau raug txhawb nqa zoo.

Nyob rau 15 xyoo dhau los, ntau thiab ntau dua kev tsim cov thermoplastic elastomers uas tiv taus hluav taws hauv Suav teb. Cov thermoplastic elastomers uas tiv taus hluav taws, tshwj xeeb tshaj yog TPE thiab TPU, tau siv dav hauv cov kab xa khoom siv rau cov neeg siv khoom, cov kab them hluav taws xob tshiab thiab cov kab rwb thaiv tsev, thiab cov kab hluav taws xob siab hauv tsheb.

Txawm li cas los xij, tseem muaj ntau yam teeb meem tseem ceeb hauv kev tshawb fawb txog kev tiv thaiv hluav taws ntawm cov thermoplastic elastomers. Piv txwv li, cov phooj ywg feem ntau nug tias qhov txawv ntawm TPE thiab TPU yog dab tsi. Tsab xov xwm no feem ntau tham luv luv txog cov yam ntxwv, kev sib piv kev ua tau zoo thiab kev siv cov thermoplastic elastomers TPE thiab TPU hlau thiab cable cov ntaub ntawv.

01 Daim ntawv thov ntawm TPE hauv thaj chaw ntawm cov hlau thiab cable

TPE yog hais txog cov thermoplastic elastomer nrog SEBS ua cov matrix resin. SEBS yog ib qho block copolymer uas muaj styrene (S)-ethylene (E)/butene (B)-styrene (S).

Cov kev sib txuas ob npaug hauv SEBS, uas yog, SBS, yog saturated los ntawm hydrogenation, yog li SEBS muaj kev tiv thaiv huab cua zoo, tiv thaiv cua sov, tiv thaiv kev hloov pauv compression thiab cov khoom siv kho tshuab zoo heev.

(1) Cov khoom SEBS muaj kev ua haujlwm rwb thaiv hluav taws xob zoo heev, tsis muaj tshuaj lom, tiv taus huab cua thiab kev laus, yooj ywm zoo thiab muaj zog siab, thiab muaj ntau qhov kub thiab txias. Lawv yog cov ntaub ntawv zoo heev rau kev ua cov ntaub thaiv sab nraud thiab cov ntaub thaiv rwb thaiv tsev ntawm cov xov hlau thiab cov cables. Lawv feem ntau yog siv rau hauv cov xov tooj ntse thiab cov khoom siv hauv tsev thiab lwm yam teb.

Tam sim no, nws tau dhau los ua ib qho kev hloov pauv dav dav los hloov PVC hauv thaj chaw ntawm cov xov hlau qis-voltage (xws li lub mloog pob ntseg cables, charger cables, USB cables, audio / video cables, computer cables, thiab lwm yam).

(2) Vim tias cov khoom siv hluav taws xob rau cov neeg siv khoom muaj cov yam ntxwv ntawm kev hloov kho sai thiab lub neej luv luv, nrog rau kev tshwm sim ntawm lub sijhawm ntawm kev txhim kho kev siv khoom, cov khoom lag luam ntsig txog SEBS muaj chaw loj heev rau kev txhim kho hauv kev lag luam no.

Nrog rau qhov kev thov nce ntxiv ntawm kev tiv thaiv hluav taws xob cable thiab kev ua tau zoo ntawm kev tiv thaiv ib puag ncig hauv tsev thiab txawv teb chaws, cov neeg siv khoom txuas ntxiv mus zoo dua, qhov sib txawv ntawm cov khoom lag luam hluav taws kub SEBS kom hloov pauvCov kab no Cov khoom siv xws li PVC thiab CPE tab tom pom tseeb zuj zus yav tom ntej, thiab kev cia siab rau yav tom ntej yog dav. Tam sim no, muaj kev thov ua lag luam loj heev rau kev hloov kho hluav taws xob SEBS thiab kev txhim kho kev ua tau zoo.

Cov khoom siv TPE tshwj xeeb: Nrog rau kev siv thiab kev tsim cov thev naus laus zis tshiab ntawm cov ntaub ntawv TPE, cov khoom siv TPE tshwj xeeb tam sim no feem ntau suav nrog TPE conductive, antistatic TPE, TPE insulating khoom, irradiated crosslinked XLTPO, siab resilience TPE, siab nplaim retardant TPE, thiab lwm yam.

02 Daim ntawv thov ntawm TPU hauv thaj chaw ntawm cov hlau thiab cable

TPU thermoplastic polyurethane elastomer, uas yog ib qho linear block copolymer tsim los ntawm kev sib xyaw ntawm diisocyanate thiab macromolecular polyol, saw extender / crosslinker thiab me ntsis ntawm cov additives. Ib qho yog feem ntau yog polyurethane khoom, thiab lwm qhov yog feem ntau yog hom polyether.

Feem ntau nws yog ib qho polymer thaiv, thiab PU tau los ntawm kev cuam tshuam cov polyol ntev nrog isocyanate yog siv ua ib ntu mos, thiab PU tau los ntawm kev cuam tshuam cov diol luv nrog isocyanate yog siv ua ntu tawv.

Cov ntawv thov ntawm TPU elastomers hauv cov xov hlau thiab cov cables feem ntau yog nyob rau hauv cov teb hauv qab no:

Cov xov hlau rau tsheb: Cov xov hlau tiv thaiv kev xauv (ABS), xov hlau odometer, xov hlau sib txuas lus rau tsheb, xov hlau tiv thaiv hluav taws kub, thiab lwm yam.

Cov xov hlau tshawb nrhiav thaj chaw: cov xov hlau tshawb nrhiav hauv av \ dej hiav txwv \ av, cov xov hlau tshawb nrhiav nthwv dej seismic, thiab lwm yam;

· Cov xov hluav taws xob rau cov neeg siv khoom: lub mloog pob ntseg, (tiv taus hluav taws) Cov Ntaub Ntawv Cable rau kev them lub xov tooj ntawm tes, lub suab cable, USB cable, khoos phis tawj accessories cable, thiab lwm yam.;

Cov xov hluav taws xob thiab kev lag luam: cov xov hluav taws xob CNC hauv computer, cov xov hluav taws xob cua, cov xov hluav taws xob hauv kev khawb av, cov xov hluav taws xob fais fab;

· Cov xov hlau sib txuas lus: fiber optic cable sheathed wire, xav tau hluav taws kub retardant;

Cov xov hlau rau cov khoom siv kho mob: xov hlau electrocardiogram, xov hlau ntsuas cov pa oxygen hauv cov ntshav, xov hlau electrode lead, xov hlau massager.

03 Kev sib piv ntawm kev ua tau zoo ntawm TPE thiab TPU hlau thiab cov ntaub ntawv cable

(1) TPU muaj zog dua TPE, lub zog tensile thiab elongation rate: Lub zog tensile ntawm TPU yog 2 txog 3 zaug ntawm cov roj hmab ntuj thiab cov roj hmab hluavtaws, thiab TPU muaj kev tiv thaiv zoo; kev tiv thaiv zoo hnav, Taber hnav tus nqi yog 0.35-0.5mg, uas yog qhov tsawg tshaj plaws ntawm cov yas, yog li nws muaj kev tiv thaiv zoo ntawm daim tawv nqaij tawg.

(2) TPE thiab TPU xav thiab ua tau zoo: TPE tuaj yeem kho qhov nyuaj thiab yooj ywm los ntawm ntau yam ntawm 0 degrees txog 99A, thaum qhov nyuaj ntawm TPU yog 60 ~ 95A, thiab nws tseem tswj tau elasticity thaum qhov nyuaj siab tshaj 85A. Qhov no yog ib yam ntxwv uas lwm cov elastomers tsis muaj, yog li TPU muaj peev xwm txhawb nqa siab thiab nqus thiab tso tawm zoo; qhov kev xav ntawm ob qho no txawv heev hauv ntau yam nyuaj, thiab nws hloov kho rau ntau lub sijhawm raws li qhov yuav tsum tau ua; TPE muaj qhov poob elastic loj hauv cov sijhawm nyuaj siab.

(3) Polyether TPU thiab TPE muaj kev tiv thaiv dej zoo, tab sis polyester TPU muaj kev tiv thaiv dej tsis zoo; TPU muaj kev tiv thaiv roj zoo dua li TPE.

(4) Qhov kev tiv thaiv UV ntawm polyester TPU tsis zoo thiab yooj yim rau daj. Vim tias lub nplhaib benzene ntawm polyurethane nyuaj ntu thiab tus neeg sawv cev kho aromatic yog conjugated nrog carboxylic acid ester, qhov oxidation thiab rearrangement tshwm sim, tsim cov qauv quinone nrog chromogenic pawg, yog li tsim cov unsaturated daim ntawv cog lus hauv polymer ntu; nyob rau hauv qhov kev ua ntawm ultraviolet rays, lub zog "free radicals" yog muab rau cov xim hloov pauv, uas muab lub zog txaus los rhuav tshem cov tshuaj sib txuas ntawm feem ntau polymers, ua rau muaj kev tsis siv neeg oxidation reaction, thiab ua rau laus thiab degradation.

Qhov kev ua daj ntawm polyether TPU zoo dua li polyester TPU. Nws tuaj yeem txhim kho lub peev xwm tiv thaiv UV tom qab hloov kho, kom ntseeg tau tias nws tsis tig daj hauv 1 txog 2 xyoos. Qhov kev tiv thaiv UV ntawm TPE feem ntau zoo dua li TPU, yog li TPE uas tiv taus xim zoo dua li TPU.

Hauv kev xaus lus, polyether TPU muaj qhov zoo ntawm kev tiv thaiv hydrolysis, tiv thaiv mildew, siab resilience thiab qis kub ua haujlwm. Polyester TPUs muaj qhov zoo ntawm lub zog tensile siab, yooj ywm, hnav tsis kam, tsis kam rau cov kuab tshuaj, tsis kam oxidation thiab kub siab.

04 Kev ua thiab kev tsim cov khoom siv hlau thiab cable TPE thiab TPU thiab kev sib piv tus nqi

Kev sib piv ntawm TPE thiab TPU hlau thiab cable cov ntaub ntawv ua thiab tsim:

(1) TPU yooj yim heev rau nqus dej. Nws yuav tsum tau ziab ntawm 100 ℃ * 3 ~ 4H ua ntej ua tiav, thaum TPE ziab ntawm 70 ~ 80 ℃ * 2H;

(2) TPU cov kev cai rau cov extruders. Ib leeg-ntsia hlau peb-theem extruders nrog L / D piv ntawm 20-30 thiab compression piv ntawm 2-4 yog tsim rau TPU ua; qhov sib txawv ntawm cov ntsia hlau thiab cov kav dej khoom yog li 0.1-0.2 hli. Qhov tsim ntsia hlau zoo tshaj plaws yuav tsum zam kev sib txhuam hnyav thiab overheating, ua rau cov khoom tawg thiab tawg, yog li txo cov khoom siv kho tshuab ntawm cov khoom.

Qhov ceev ntawm lub hau ntswj nyob ntawm seb lub hau ntswj loj npaum li cas. Vim tias TPU rhiab heev rau kev kib thiab txiav, qhov ceev dhau heev tuaj yeem ua rau TPU tawg. Yog tias nws qis dhau, nws kuj tseem yuav ua rau tawg vim lub sijhawm nyob ntev. Feem ntau, qhov ceev ntawm lub hau ntswj yog teeb tsa ntawm 25-60rpm, thaum TPE xav tau lub tshuab extruder xoob.

(3) Ua ntej pib TPU, xyuas kom tseeb tias lub hau ntswj, lub taub hau tshuab thiab lub tog raj kheej ntsia hlau raug ntxuav tsis muaj cov ces kaum tuag. Txhua qhov kev npaj tiav lawm, xws li kev npaj khoom tiav ib nrab, luam ntawv thiab debugging, thiab lwm yam. Kauj ruam kawg yog qhib cov khoom tiav ua ntej rub lub hopper kom tso cov khoom mus rau lub hau ntswj. Hauv theem pib ntawm kev pib lub tshuab, sim txo lub sijhawm nyob ntawm cov roj hmab ntawm lub hau ntswj. Tom qab cov khoom raug tso tawm, lub tshuab yuav pib sai sai hauv 5 feeb. Lub sijhawm tseem ceeb no yuav tsum tau ua kom zoo thaum pib. Ua tib zoo saib qhov kev txiav txim, thiab koj yuav muaj ob npaug ntawm qhov tshwm sim nrog ib nrab ntawm kev siv zog.

(4) TPE tsis rhiab rau kev txiav, thiab yuav tsis yooj yim lwj yog tias nws nyob ntev. Nws yooj yim dua rau kev ua.

Kev sib piv ntawm cov nqi ua tiav ntawm TPE thiab TPU hlau thiab cov ntaub ntawv cable:

(1) Tus nqi ntawm cov khoom siv TPE thiab polyester TPU tsis sib txawv ntau. Polyester TPU siab dua me ntsis, tab sis tus nqi ntawm polyether TPU kuj siab.

(2) Peb qhov muaj qhov ceev qis tshaj plaws ntawm TPE, ua raws li qhov ceev ntawm polyether TPU, thiab qhov ceev tshaj plaws ntawm polyester TPU, thiab tus nqi qis tshaj plaws ntawm kev siv TPE.

Los ntawm kev sib piv cov yam ntxwv tseem ceeb ntawm TPE thiab TPU cov ntaub ntawv thiab cov thev naus laus zis ua cov khoom siv, ob qho tib si muaj lawv tus kheej qhov zoo thiab qhov tsis zoo. Txawm li cas los xij, los ntawm kev tshuaj xyuas ntawm TPU thiab TPE kev lag luam hauv tsev, TPE cov khoom siv raw khoom lag luam ruaj khov dua thiab yooj yim dua, thaum feem ntau ntawm TPU cov khoom siv raw khoom vam khom rau kev xa khoom tuaj, thiab cov txheej txheem tsim khoom hauv tsev yog qhov rov qab qis dua, yog li kev ruaj khov ntawm cov khoom nyuaj rau kev xyuas kom meej. Cov yam ntxwv ntawm cov khoom siv raw ntawm txhua tus neeg tsim khoom yog qhov sib txawv heev. Peb cov phooj ywg elastomer yuav tsum nkag siab txaus los pab txhawb kev siv thiab kev hloov kho.

Los ntawm kev tshawb nrhiav tob txog cov qauv sab hauv ntawm cov khoom siv, kev saib xyuas lub sijhawm tiag tiag ntawm kev hloov pauv kev ua tau zoo thiab kev txheeb xyuas qhov ruaj khov tas mus li, qhov sib xws thiab kev ua siab ntev ntawm cov xov hlau hauv qab thaj chaw hiav txwv hnyav tau pom tseeb. Saib rau pem hauv ntej rau yav tom ntej, kev txhim kho tas mus li ntawm cov khoom siv thiab cov qauv ntawm cov kab xa dej hauv qab dej yuav ua rau muaj lub hauv paus ruaj khov rau kev khawb av thiab kev siv cov peev txheej hauv hiav txwv.       

Shanghai Lansheng Cable tuaj yeem ua tau raws li koj cov kev xav tau cable ntau yam.