13 kev kawm siab uas siv hauv kev lag luam automotive
Lub teeb nyhav ntawm cov khoom ua kom muaj roj ntau dua tsheb. Nws kwv yees tias txhua txhua 10% txo ntawm lub tsheb qhov hnyav tau li ntawm 5% mus rau 7% rau kev siv roj. Kev txhim kho kev lag luam thiab kev txhawj xeeb tam sim no ua rau kev tsim hluav taws xob ntau dua tsheb ua qhov tseem ceeb hauv kev lag luam automotive. Qee qhov kev ua tau zoo ntawm cov khoom ua haujlwm siv hauv cov tsheb thauj muaj xws li:
tsawg heev corrosion, lub hom phiaj rau lub neej ntev zog
tsim muaj ntau txoj kev ywj pheej, ua kom muaj tswv yim zoo thiab muaj tswv yim tshiab
ua kom yooj yim hauv cov khoom ua ke
kev nyab xeeb, kev nplij siab thiab kev lag luam
rov ua dua.
Ntawm no yog cov khoom saum toj kawg nkaus 13 cov khoom siv hauv kev kho vajtse tsheb. Thaum peb tag nrho 13 kuj yooj yim siv rau hauv ib lub tsheb, tsuas yog peb hom kev tsim ua kom muaj li ntawm 66% ntawm tag nrho cov khoom siv hauv siab hauv tsev: polypropylene (32%), polyurethane (17%) thiab PVC (16% .
1) Polypropylene (PP)
Polypropylene yog ib lub thermoplastic polymer siv ntau yam kev siv. Ib qho phom tooj sib ntxiv uas ua los ntawm cov propylene monomer, nws yog rugged thiab tsis thwj resistant rau ntau cov tshuaj solvents, paus thiab acids.
Daim ntawv sau npe: tsheb npav, tshuaj lom neeg taub, kab hluav taws xob, roj poom, ntaub pua plag fibers.
2) Polyurethane (PUR)
Khoom Polyurethane yog ib qho khoom siv elastomeric ntawm lub cev tshwj xeeb nrog rau kev muaj zog, ua kom yooj yim, thiab ua hauj lwm rau kev puas tsuaj thiab kub. Polyurethane muaj ib qho kev sib zog ntawm sab nraud, los ntawm kev siv lub ncauj muag rau bowling pob tawv. Lwm yam khoom muaj nqis ntawm cov roj muaj xws li cov khoom ua tau tsis tshua muaj siab, muaj peev xwm thiab muaj peev xwm tiv taus huab cua, nws, hluav taws xob, roj, roj av thiab cov kuab tshuaj feem ntau.
Daim ntawv thov: cov xim ua tau yooj yim, chaw ua haujlwm npuas hluav taws xob, lub tsho hlau thiab cov log tsheb, cov tsheb thauj khoom bushings, cushions, hluav taws xob potting sib txuas, cov tawv yas.
3) Poly-Vinyl-Chloride (PVC)
PVC muaj kev zoo, nplaim hluav taws, thiab muaj thermal stability zoo, lub siab gloss, thiab tsawg (tsis muaj) cov ntsiab lus muaj hlau lead. Polyvinyl chloride moulding compounds yuav tsum tau extruded, txhaj molded, compression molded, calendered, thiab tshuab molded tsim ntau ntau yam khoom, xws li tsis yeem los yoog nyob ntawm tus nqi thiab hom yas yas siv.
Daim Ntawv Thov: cov twj paj nruag lub tsheb, cov hlua hluav taws xob, kav, qhov rooj.
4) ABS
Acrylonitrile Butadiene Styrene yog ib tug copolymer ua los ntawm polymerizing styrene thiab acrylonitrile nyob rau hauv muaj polybutadiene. Lub styrene muab cov yas ib ci iab, thaiv qhov chaw. Lub butadiene, ib yam khoom uas rubbery, muab kev resilience txawm tias qis dua. Muaj ntau yam kev hloov kho rau kev txhim kho kev ua haujlwm, kev muaj zog, thiab kev tiv thaiv tshav kub.
Daim ntawv thov: tsheb cev ntawm lub cev, dashboards, log npog.
5) Polyamide (PA, Nylon 6/6, Nylon 6)
Nylon 6/6 yog ib qho nylon general-purpose uas yuav ua tau ob qho tib si molded thiab extruded. Nylon 6/6 muaj cov khoom sib xyaw kom zoo thiab hnav ua haujlwm. Nws nquag siv thaum ib tus nqi qis, siab ua kom muaj zog, muaj zog thiab ruaj khov khoom. Nylon yog cov dej nqus dej heev thiab yuav swell rau hauv qhov chaw nruab ntug.
Daim ntawv thov: zog, nroj, cams, bearings, huab cua pov thawj coatings.
6) Polystyrene (PS)
Naturally ntshiab, polystyrene exhibits yav tom ntej tshuaj lom neeg thiab hluav taws xob. Qhov tshwj xeeb siab tshaj plaws thiab cov qib siab muaj txiaj ntsig zoo tshaj plaws. Qhov yoojyim rau kev tsim cov yas tau ploog tiv thaiv UV teeb .
Daim ntawv thov: khoom siv khawm, khawm, tsheb fittings, zaub bases.
7) Polyethylene (PE)
Polyethylene muaj feem xyuam rau cov tshuaj tiv thaiv, tsawg ceev, thiab khoom pov thawj zoo toughness. Nws tuaj yeem siv rau ntau txoj kev ua haujlwm thermoplastics thiab yuav pab tau tshwj xeeb tshaj yog qhov chaw noo noo thiab tsis raug nqi.
Daim ntawv thov: lub cev tsheb (cam reinforced), hluav taws xob rwb thaiv tsev.
8) POM (polyoxymethylene)
POM muaj zoo heev nruj, rigidity, thiab tawm dag zog. Cov khoom no ruaj khov rau hauv qis dua. POM kuj yog tshuaj lom neeg thiab cov roj ua kom tsis taus.
Daim ntawv thov: sab hauv thiab sab nrauv trims, roj tshuab, me me zog.
9) Polycarbonate (PC)
Amorphous polycarbonate polymer muaj kev sib xyaw ua ke ntawm kev nruj, kev mob siab thiab kev muaj zog. Nws tuaj yeem ua rau huab cua zoo heev, tsiaj txhu, qhov cuam tshuam, kho qhov muag, hluav taws xob thiab thermal. Vim nws txoj kev ua tau zoo heev, nws yog qhov khoom rau lub tsheb thawv, txhua yam thiab cov pauv pov haum cov pwm pov thawj.
Daim ntawv thov: thawb, lub taub hau me me.
10) Acrylic (PMMA)
Ib pob tshab thermoplastic, PMMA feem ntau yog siv los ua lwm qhov los ntawm qhov khaus los sis nta tiv thaiv mus rau iav. Nws yog pheej yig dua PC, tiam sis nws tseem ceeb tshaj rau khawb thiab tawg.
Daim Ntawv Thov: qhov rais, cov duab, cov ntxaij vab tshaus.
11) PBT (polybutylene terephthalate)
Cov PBT thermoplastic yog siv los ua cov tshuab hluav taws xob hauv cov hluav taws xob thiab hluav taws xob. Nws yog tshuaj lom neeg thiab tshav kub. Cov txheej txheem nplua- qib tuaj yeem muaj.
Daim ntawv thov: qhov rooj qhov rooj, cov tshuab raj, cov khoom carburetor.
12) Polyethylene Teraphthalate (PET)
Tus tsiaj feem ntau yog siv los tsim hluavtaws fibers thiab yas hwj. Koj tuaj yeem paub txog nws ntawm cov khaub ncaws hnyav hauv lub npe "polyester."
Daim Ntawv Thov: tus tes tsho caj npab thiab iav qhov rooj, taub hau taub hau, lub hau npog, khi rooj tsev.
13) ASA (acrylonitrile styrene acrylate)
Zoo ib yam li ABS, ASA yeej muaj kev yoog thiab muaj zog, zoo tshuaj ua haujlwm thiab thermal stability, zoo rau huab cua, kev laus thiab kev daj, thiab siab gloss. Ceev faj tsis txhob hlawv cov khoom siv no. Nws yuav ua rau muaj pa luam yeeb lom.
Daim ntawv sau npe: tsev nyob, cov khoom siv, cov khoom siv sab hauv thiab sab nraum zoov cov ntawv.
Puas yog kuv nco kuv? Qhia rau kuv paub hauv seem lus hauv qab no.
