Kev Tshawb Fawb Kev Lag Luam Polyurethane (Pib A)

1. Txheej txheem cej luam ntawm Polyurethane Kev Lag Luam

Polyurethane (PU) yog ib qho tseem ceeb ntawm cov khoom siv polymer, uas muaj ntau yam kev siv thiab ntau hom khoom ua rau nws yog ib feem tseem ceeb ntawm kev lag luam niaj hnub no.Cov qauv tshwj xeeb ntawm polyurethane muab nws lub cev zoo thiab tshuaj lom neeg, ua rau nws siv dav hauv thaj chaw xws li kev tsim kho, tsheb, rooj tog zaum, thiab khau.Txoj kev loj hlob ntawm kev lag luam polyurethane yog cuam tshuam los ntawm ntau yam xws li kev xav tau ntawm kev lag luam, kev tsim kho thev naus laus zis, thiab kev tswj hwm ib puag ncig, ua kom pom muaj zog yoog raws thiab muaj peev xwm txhim kho.

2. Txheej txheem cej luam ntawm polyurethane khoom

(1) Polyurethane ua npuas ncauj (PU ua npuas ncauj)
Polyurethane ua npuas ncaujyog ib qho ntawm cov khoom lag luam tseem ceeb ntawm kev lag luam polyurethane, uas tuaj yeem muab faib ua npuas npuas thiab hloov tau yooj yim raws li kev thov sib txawv.Rigid ua npuas ncauj feem ntau yog siv nyob rau hauv cov cheeb tsam xws li lub tsev rwb thaiv tsev thiab txias saw tsheb thauj mus los thawv, thaum yooj ywm ua npuas ncauj yog dav siv nyob rau hauv cov khoom xws li txaj, sofas, thiab automotive rooj.Polyurethane ua npuas ncauj nthuav tawm cov khoom zoo xws li lub teeb yuag, thermal rwb thaiv tsev, suab nqus, thiab compression tsis kam, ua lub luag haujlwm tseem ceeb hauv lub neej niaj hnub.

• Rigid PU ua npuas ncauj:Rigid polyurethane ua npuas ncauj yog cov khoom ua npuas ncauj nrog lub kaw-cell qauv, tus yam ntxwv ntawm kev ruaj ntseg zoo heev thiab txhua yam muaj zog.Nws yog feem ntau siv rau hauv cov ntawv thov uas xav tau lub zog siab thiab tawv tawv, xws li lub tsev rwb thaiv tsev, lub thawv thauj khoom txias, thiab cov khoom siv tub yees.Nrog nws qhov siab ceev, nruj PU ua npuas ncauj muab kev ua haujlwm zoo rwb thaiv tsev thiab kev ua haujlwm siab, ua rau nws yog ib qho khoom siv zoo tshaj plaws rau lub tsev rwb thaiv tsev thiab cov hlua txias.
• Flexible PU ua npuas ncauj:Flexible polyurethane ua npuas ncauj yog cov khoom ua npuas ncauj nrog cov qauv qhib ntawm tes, paub txog nws cov softness thiab elasticity.Nws yog feem ntau siv hauv kev tsim cov txaj txaj, sofas, thiab cov rooj zaum hauv tsheb, muab kev nplij siab thiab kev txhawb nqa.Saj zawg zog PU ua npuas ncauj tuaj yeem tsim rau hauv cov khoom sib txawv ntawm qhov sib txawv thiab tawv kom ua tau raws li kev nplij siab thiab kev txhawb nqa ntawm cov khoom sib txawv.Nws zoo heev softness thiab resilience ua rau nws yog ib qho zoo tagnrho filling khoom rau rooj tog thiab automotive interiors.
• Self-skinning PU ua npuas ncauj:Self-skinning polyurethane ua npuas ncauj yog cov khoom ua npuas ncauj uas tsim cov txheej txheem ntawm nws tus kheej rau ntawm qhov chaw thaum foaming.Nws muaj ib tug du nto thiab siab deg hardness, feem ntau siv nyob rau hauv cov khoom uas yuav tsum tau deg smoothness thiab hnav tsis kam.Self-skinning PU ua npuas ncauj yog dav siv nyob rau hauv cov rooj tog zaum, automotive rooj, cov khoom siv dag zog, thiab lwm yam kev lag luam, muab cov khoom zoo nkauj thiab durability.

(2) Polyurethane Elastomer (PU Elastomer)
Polyurethane elastomer muaj elasticity zoo heev thiab hnav tsis kam, feem ntau siv los tsim cov log tsheb, cov ntsaws ruaj ruaj, cov ntaub ntawv vibration damping, thiab lwm yam. Raws li qhov yuav tsum tau ua, polyurethane elastomers tuaj yeem tsim rau hauv cov khoom sib txawv hardness thiab elasticity ntau yam kom tau raws li qhov yuav tsum tau muaj ntawm ntau yam kev lag luam. thiab cov khoom siv.

(3)Polyurethane Adhesive (PU Adhesive)

Polyurethane nplaummuaj cov khoom sib txuas zoo thiab kev tiv thaiv ib puag ncig, dav siv hauv woodworking, automotive manufacturing, textile adhesive, thiab lwm yam. Polyurethane nplaum tuaj yeem kho tau sai nyob rau hauv qhov sib txawv ntawm qhov kub thiab txias, ua kom muaj zog thiab ruaj khov, txhim kho cov khoom zoo thiab kev ua haujlwm.

3. Kev faib tawm thiab kev siv ntawm Polyurethane

Cov Khoom Siv Polyurethane, raws li ntau yam khoom siv polymer, muaj kev siv dav hauv ntau qhov chaw, feem ntau muab faib ua pawg hauv qab no:
(1) Cov khoom ua npuas ncauj
Cov khoom ua npuas ncauj feem ntau suav nrog ua npuas ncauj nruj, ua npuas ncauj yooj yim, thiab ua npuas ncauj rau tus kheej, nrog rau kev siv xws li:

• Kev Ruaj Ntseg Hauv Tsev: Rigid npuas feem ntau yog siv rau hauv cov khoom siv rwb thaiv tsev xws li cov phab ntsa thaiv phab ntsa sab nrauv thiab cov rwb thaiv tsev ru tsev, kev txhim kho lub zog ntawm lub tsev.
• Furniture Manufacturing: Saj zawg zog ua npuas ncauj yog feem ntau siv nyob rau hauv kev tsim cov ntaub so ntswg, sofas, cov rooj zaum, muab cov rooj zaum thiab pw tsaug zog.Self-skinning ua npuas ncauj yog siv rau cov rooj tog zaum saum npoo kho kom zoo nkauj, txhim kho cov khoom zoo nkauj.
• Automotive Manufacturing: Saj zawg zog ua npuas ncauj yog dav siv nyob rau hauv automotive lub rooj, qhov rooj interiors, muab cov rooj zaum xis.Self-skinning ua npuas ncauj yog siv rau automotive tha xim sab hauv panels, steering log, txhim khu kev zoo nkauj thiab kev nplij siab.

(2) Cov khoom siv Elastomer
Elastomer cov khoom siv feem ntau yog siv hauv cov hauv qab no:

• Automotive Manufacturing: Polyurethane elastomers yog dav siv nyob rau hauv tsheb tsim, xws li log tsheb, ncua kev kawm ntawv, ntsaws ruaj ruaj, muab zoo poob siab absorbing thiab sealing cuam tshuam, txhim kho tsheb stability thiab kev nplij siab.
• Cov ntsaws ruaj ruaj: Polyurethane elastomers yog siv los ua cov ntaub ntawv rau ntau yam kev lag luam ntsaws ruaj ruaj, xws li O-rings, sealing gaskets, nrog zoo heev hnav tsis kam thiab corrosion kuj, xyuas kom meej cov khoom sealing kev ua tau zoo.

(3) Adhesive khoom
Adhesive khoom yog siv nyob rau hauv cov nram no:

• Woodworking: Polyurethane nplaum feem ntau yog siv rau kev sib txuas thiab koom nrog cov ntaub ntawv ntoo, nrog kev sib raug zoo ntawm lub zog thiab dej tsis kam, dav siv hauv kev tsim rooj tog, ntoo, thiab lwm yam.
• Automotive Manufacturing: Polyurethane adhesives yog siv rau kev sib txuas ntau yam hauv kev tsim tsheb, xws li lub cev vaj huam sib luag, lub qhov rais ntsaws ruaj ruaj, ua kom ruaj khov thiab sib khi ntawm cov khoom siv tsheb.