Daim ntawv thov ntawm Polyurethane Elastomers tuaj yeem ua tau dav heev
1. Lub adjustable ntau yam ntawm kev ua tau zoo yog loj. Ib tug xov tooj ntawm lub cev thiab mechanical Performance index yuav hloov nyob rau hauv ib tug tej yam ntau yam los ntawm kev xaiv ntawm raw cov ntaub ntawv thiab kev hloov ntawm cov mis, thiaj li ua tau raws li qhov sib txawv ntawm cov neeg siv khoom rau kev ua tau zoo ntawm cov khoom. Piv txwv li, hardness feem ntau yog qhov taw qhia tseem ceeb rau cov neeg siv khoom. Polyurethane elastomers tuaj yeem ua rau hauv cov khoom siv roj hmab muag muag nrog Shore A hardness txog li 20, thiab cov tawv steel dov roj hmab rollers nrog Shore D hardness ntau dua 70. Qhov no yog qhov nyuaj rau kev ua tiav nrog cov khoom siv elastomer. Polyurethane elastomer yog cov khoom siv polar polymer uas muaj ntau qhov hloov tau yooj yim thiab ntu ntu. Raws li qhov sib piv ntawm ntu ntu nce thiab qhov ceev ntawm pawg polar nce, qhov qub zog thiab hardness ntawm elastomer yuav nce raws li.
2. Superior hnav tsis kam. Tshwj xeeb tshaj yog nyob rau hauv kev ua hauj lwm tej yam kev mob uas muaj wetting xov xwm xws li dej thiab roj, nws hnav tsis kam yog feem ntau ob peb zaug mus rau kaum ob lub sij hawm ntawm cov khoom siv roj hmab zoo tib yam. Txawm hais tias cov khoom siv hlau xws li steel yog qhov nyuaj heev, lawv tsis tas yuav hnav-tiv taus. Piv txwv li, nyob rau hauv lub loj-scale twj tso kua mis nyob rau hauv lub Yellow River irrigation cheeb tsam, cov hlau lub qhov ncauj nplhaib thiab kev tiv thaiv nplhaib ntawm cov over-tam sim no Cheebtsam tau ntxuav los ntawm ib tug loj npaum li cas ntawm cov av, thiab lawv yuav hnyav heev hnav thiab leaked nyob rau hauv ib tug ntau yam ntawm cov khoom. ob peb puas teev. , thiab lub nplhaib lub qhov ncauj thiab lub nplhaib tiv thaiv npog nrog polyurethane elastomer tau ua haujlwm tsis tu ncua rau 1800 teev yam tsis tau hnav. Lwm yam, xws li cov roj hmab rollers rau cov nplej milling, vibrating npo sieves rau thee npaj, taug kev haiv neeg nyob rau hauv cov kev ua si teb, dynamic roj ntsaws ruaj ruaj rau cranes thiab forklifts, elevator log thiab cov menyuam skate log, thiab lwm yam. kuj yog polyurethane elastomers. ntawm kev siv. Ib lub ntsiab lus yuav tsum tau hais ntawm no yog tias txhawm rau txhim kho kev sib txhuam coefficient ntawm qis thiab nruab nrab hardness polyurethane elastomer qhov chaw thiab txhim kho qhov hnav tsis kam nyob rau hauv kev thauj khoom, ib qho me me ntawm txhuas disulfide, graphite lossis silicone roj tuaj yeem ntxiv rau hom polyurethane. elastomer. roj nplua nyeem.
3. Ntau txoj kev ua thiab siv dav. Polyurethane elastomers tuaj yeem raug molded los ntawm plasticizing, kneading thiab vulcanization txheej txheem (xa mus rau MPU) zoo li cov roj hmab dav dav; lawv tuaj yeem ua rau cov roj hmab ua kua, cam khwb cia molding lossis txau, potting, centrifugal molding (xa mus rau CPU); Cov khoom siv pellet, zoo li cov yas zoo tib yam, yog tsim los ntawm kev txhaj tshuaj, extrusion, calendering, tshuab molding thiab lwm yam txheej txheem (xa mus rau CPU). Moulded lossis txhaj tshuaj molded qhov chaw kuj tseem tuaj yeem ua tiav los ntawm kev txiav, sib tsoo, drilling thiab lwm yam machining nyob rau hauv ib qho hardness ntau yam. Kev sib txawv ntawm kev ua haujlwm ua rau kev siv ntawm polyurethane elastomers dav heev, thiab daim ntawv thov teb txuas ntxiv mus. 4. Roj kuj, ozone kuj, aging kuj, hluav taws xob tsis kam, tsis kub tsis kam, zoo suab permeability, muaj zog adhesion, zoo heev biocompatibility thiab ntshav compatibility. Cov txiaj ntsig zoo no yog vim li cas cov polyurethane elastomers tau dav siv hauv tub rog, aerospace, acoustics, biology thiab lwm yam haujlwm.
Disadvantages ntawm Esterurethane Elastomers
Tab sis polyurethane elastomer tsis zoo tag nrho, nws lub ntsiab tsis zoo yog:
1. Loj endogenous tshav kub thiab dav dav kub kub kuj. Qhov kev ua haujlwm kub ib txwm yog -40 ~ 120 degree . Yog tias nws yuav tsum tau siv rau lub sijhawm ntev nyob rau hauv lub siab zaus oscillation tej yam kev mob los yog kub kub tej yam kev mob, coj kev hloov kho yuav tsum tau coj nyob rau hauv cov qauv tsim los yog formula.
2. Tsis resistant rau muaj zog polar solvents thiab muaj zog acid-base media. Ntawm qhov kub thiab txias, cawv, acids thiab ketones yuav o thiab degrade polyurethane elastomers, thiab cov kuab tshuaj xws li chloroform, dichloromethane, dimethylformamide, thiab trichlorethylene yuav o polyurethane elastomers ntawm chav tsev kub.
Daim ntawv thov thiab kev loj hlob ntawm Polyurethane Elastomers
Hauv cov ntsiab lus, cov khoom siv dav dav ntawm polyurethane elastomers yog qhov zoo heev. Nyob rau hauv xyoo tas los no, txhua lub teb chaws tau ntxiv dag zog rau lawv daim ntawv thov kev tshawb fawb raws li kev xav tau ntawm kev lag luam. Txoj kev loj hlob tsom mus rau cov hauv qab no:
1. Polyurethane elastomers rau tsheb. Niaj hnub no kev lag luam tsheb tau hloov mus rau kev ua haujlwm siab, qhov hnyav, kev nplij siab thiab kev nyab xeeb. Cov khoom siv roj hmab thiab cov yas yas yog maj mam hloov cov ntaub ntawv hlau, uas qhib qhov kev cia siab heev rau kev siv cov polyurethane elastomers. Goodrich Company ntawm Tebchaws Meskas tau tsim TPU tiam thib ob, thiab nws lub npe lag luam yog Estaloc. Cov khoom lag luam tswj hwm tus yam ntxwv ntawm thawj tiam TPU Estaloc, thiab siv cov iav hollow spheres ua cov khoom ntim, uas ua rau kom cov gloss ntau dua 15 feem pua, thiab tuaj yeem siv los tsim cov tsheb sab hauv thiab cov khoom poob siab. Kev teeb tsa airbags ntawm lub tsheb yog qhov xav tau rau kev txhim kho kev lag luam tsheb niaj hnub, thiab ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv lub neej kev nyab xeeb ntawm cov neeg tsav tsheb. Hom airbag no yuav tsum muaj qee lub zog los tiv thaiv kev kub ceev, thiab kuj muaj qhov zoo ntawm qhov kub thiab txias. Nws yog tsim los ua los ntawm polyurethane. Tus nqi ntawm cov kua nplaum siv rau txhua lub airbag yog li 300 grams. Feem ntau ntawm cov tsheb hauv peb lub teb chaws tseem tsis tau teeb tsa lub airbags, thiab kev lag luam xav tau loj heev. Siv lub zog siab thiab siab load-bearing muaj peev xwm ntawm polyurethane elastomers. Nws tuaj yeem tsim cov log tsheb rau nruab nrab thiab qis-ceev tsheb hnyav, nrog lub zog siab thiab muaj peev xwm ua tau siab, thiab tuaj yeem tsim cov log tsheb rau nruab nrab thiab qis-ceev tsheb hnyav. Nyob rau hauv xyoo tas los no, ib hom tshiab ntawm ntsuab polyurethane composite log yog raug tshawb fawb thiab tsim. Nws yog ua raws li cov log tsheb tshiab thiab qub qub, thiab yog nchuav nrog ib qho tuab ntawm kev hnav-tiv taus thiab puncture-resistant polyurethane roj hmab txheej txheej. Nws yog tam sim no nyob rau hauv lub mileage xeem. theem, thiab xav tias yuav muab tso rau hauv kev tsim khoom sai sai.
2. Polyurethane elastomer rau kev tsim kho. Cov tsoos asphalt linoleum waterproof cov ntaub ntawv tau maj mam hloov los ntawm lub ruaj thiab integrally tsim polyurethane waterproof khoom; Tsuas yog 10 xyoo dhau los, tsuas yog cov chaw sib tw hauv tebchaws tau siv cov khoom siv polyurethane pavement rau kev khiav ntawm cov kis las, thiab tam sim no feem ntau cov chaw ntau pob hauv xeev thiab hauv nroog, Polyurethane yas runways tau raug teeb tsa hauv tsev kawm qib siab thiab tsev kawm qib siab, thiab txawm tias qee lub tsev kawm ntawv theem pib thiab theem nrab. ; expansion pob qij txha ntawm cov choj loj, lub tshav dav hlau khiav thiab caulking ntawm txoj kev loj kuj tau pib siv chav tsev kub kho polyurethane elastomers los ua tsaug rau cov high-speed railways Nws yog ib qho khoom siv zoo heev. Cov neeg pw tsaug zog nteg rau ntawm qhov tunnels thiab txuas hniav ntawm Shinkansen railway hauv Nyiv yog ua los ntawm polyurethane elastomer. Daim ntawv thov tshiab no muab kev ua si tag nrho rau cov yam ntxwv ntawm polychloric acid elastomers, xws li lub teeb yuag, kev poob siab zoo, thiab kev laus tiv thaiv, thiab tseem ceeb heev rau kev nce qib.
3. Polyester elastomer rau mining. Coal mines, hlau thiab tsis-hlau mines yog qhov xav tau zoo rau cov khoom tsis yog xim hlau nrog kev hnav tsis kam, siab zog thiab elasticity. Nyob rau hauv lub dhau los 10 xyoo, ntau cov thee nroj tsuag tau hloov cov cumbersome hlau sieve daim hlau nrog polyurethane elastic screen daim hlau, uas tsis tsuas yog zoo heev prolongs lub neej kev pab cuam ntawm lub sieve daim hlau, tab sis kuj ho txo lub suab nrov ntawm lub chaw ua hauj lwm, uas ua rau pom tseeb zog. kev txuag thiab kev siv txo cov teebmeem. Lwm yam xws li cua daj cua dub rau cov khoom sib cais, nplaim-retardant thiab anti-static hnav-resistant conveyor siv, cov tub ntxhais lub log rau mining monorail crane, coupling phaj rau thee mine shotcrete tshuab, roj sealing nplhaib ntawm 10, 000-tuj hluav taws xob log pob tseg tsheb, txias kho kua nplaum rau high-voltage cable tsho, thiab lwm yam kuj tau ua lub luag haujlwm loj hauv kuv qhov kev tsim kho. Tseem muaj ntau yam khoom hnav-resistant elastic rau mines tos rau peb los tsim thiab txhawb nqa.
4. Polyester elastomer rau khau. Txij li thaum cov neeg lag luam Taiwanese tuaj rau hauv av loj ib zaug, kuv lub teb chaws kev lag luam khau tau tsim sai heev. Polyester elasticity muaj qhov zoo ntawm cushioning kev ua tau zoo, lub teeb yuag, hnav tsis kam, tiv thaiv kev sib tsoo, thiab lwm yam. Nws tau dhau los ua cov khoom siv tseem ceeb hauv kev lag luam khau, khau golf, khau baseball, khau ncaws pob, khau caij ski, khau mus ncig, kev nyab xeeb. khau. Ib leeg, pob taws, ntiv taw, insole thiab lwm yam khoom siv tseem ceeb ntawm ntau cov khau yog ua los ntawm polyurethane elastomer, uas tsis yog tsuas yog zoo nkauj, tab sis kuj nyiam thiab ruaj khov, thiab tuaj yeem txhim kho kev ua kis las.
5. Kev kho mob polyurethane elastomer. Zoo biocompatibility, ntshav compatibility, thiab tsis muaj ntau yam additives yog tseem ceeb vim li cas rau daim ntawv thov ntawm TPU thiab CPU cov ntaub ntawv nyob rau hauv kev kho mob. Tam sim no, cov khoom lag luam kho mob tau zoo muaj xws li: tracheal cannula, prosthesis, embolization tus neeg sawv cev rau kev npaj tsev neeg, cov ntaub ntawv kho pob txha taub hau, hnab looj tes, thiab lwm yam, thiab lawv cov kev cia siab rau hauv kev kho mob thiab kev noj qab haus huv yog tseem dav heev.
6. Hom tshiab ntawm polyurethane composite ntawv. Lub UK tab tom tsim ib daim ntawv polyurethane composite hu ua SPS plywood system uas yuav hloov pauv kev lag luam shipbuilding. Nws muaj ob txheej ntawm 9 hli tuab steel daim hlau thiab 40 hli tuab polyurethane elastomer txhaj rau hauv lawv. Thaum tsim tau tiav, nws tuaj yeem hloov cov khoom siv steel hlau uas siv hauv kev tsim khoom hauv nkoj. Nws qhov zoo yog: txuag lub sijhawm tsim khoom, txuag cov ntawv hlau, thiab txo qhov hnyav ntawm lub hull, Impact resistance, qaug zog tsis kam, poob siab absorbing, txo suab nrov, rwb thaiv tsev kub. Thaum cov ntaub ntawv sib xyaw ntawm SPS system tau siv los tsim cov nkoj yav tom ntej, kev noj cov polyurethane elastomers hauv kev lag luam shipbuilding yuav yog tus lej staggering heev.
