Polyfoam (34 Duab): Cov Nuances Ntawm Kev Tsim Khoom. Nws Yog Dab Tsi? Chaw Tsim Tshuaj Paus. Ua Kua Thiab Txhav Ua Npuas Ncauj. Nws Ua Los Ntawm Dab Tsi? Slabs 100 Mm Thiab Lwm Qh

Cov txheej txheem:

Video: Polyfoam (34 Duab): Cov Nuances Ntawm Kev Tsim Khoom. Nws Yog Dab Tsi? Chaw Tsim Tshuaj Paus. Ua Kua Thiab Txhav Ua Npuas Ncauj. Nws Ua Los Ntawm Dab Tsi? Slabs 100 Mm Thiab Lwm Qh

Video: Polyfoam (34 Duab): Cov Nuances Ntawm Kev Tsim Khoom. Nws Yog Dab Tsi? Chaw Tsim Tshuaj Paus. Ua Kua Thiab Txhav Ua Npuas Ncauj. Nws Ua Los Ntawm Dab Tsi? Slabs 100 Mm Thiab Lwm Qh
Video: Xov Xwm 19/10/21 Nplog Teb Hnub No Tuag Kiag 5 Leeg & Ob Niam Tub Raug 3 Tug Hluas Tuag & Nyob India 2024, Lub peb hlis ntuj
Polyfoam (34 Duab): Cov Nuances Ntawm Kev Tsim Khoom. Nws Yog Dab Tsi? Chaw Tsim Tshuaj Paus. Ua Kua Thiab Txhav Ua Npuas Ncauj. Nws Ua Los Ntawm Dab Tsi? Slabs 100 Mm Thiab Lwm Qh
Polyfoam (34 Duab): Cov Nuances Ntawm Kev Tsim Khoom. Nws Yog Dab Tsi? Chaw Tsim Tshuaj Paus. Ua Kua Thiab Txhav Ua Npuas Ncauj. Nws Ua Los Ntawm Dab Tsi? Slabs 100 Mm Thiab Lwm Qh
Anonim

Tau ntau xyoo lawm, ua npuas ncauj tau nquag siv hauv ntau yam lag luam. Muaj ntau ntau yam ntawm cov khoom siv no. Txhawm rau siv nws kom raug, koj yuav tsum paub cov nuances ntawm kev tsim khoom, nrog rau cov hauv paus ntsiab lus ntawm kev txhim kho ua npuas dej.

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Nws yog dab tsi thiab nws ua los ntawm dab tsi?

Styrofoam yog cov khoom siv dawb. Nws muaj qhov hnyav tsawg, muaj ntau tus yam ntxwv sib txawv, vim tias nws tau siv dav hauv ntau yam haujlwm. Polyfoam yog 98% cua, thiab 2% ntxiv yog nthuav polystyrene . Txawm hais tias qhov feem pua me me, cov khoom muaj ntau lab ntawm cov hlwb ntawm cov khoom no.

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Ua npuas ncauj ntau lawm yog ua los ntawm cov cuab yeej tshwj xeeb . Thaum pib, cov ntaub ntawv raw tau xa mus rau kev cob qhia, los ntawm cov phaj ua npuas dej nrog ntau yam tuab thiab tuab tau txais ntawm qhov tawm. Polyfoam yog tsim los ntawm yuav luag txhua lub polymer. Cov ntaub ntawv tseem ceeb tuaj yeem yog: polyvinyl chloride, polyurethane, polystyrene, phenol-formaldehyde thiab ntau yam ntxiv.

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Kev tsim cov khoom siv tau ua tiav hauv ob peb theem tseem ceeb thiab ua ntu zus:

  • ua npuas ncauj;
  • ziab;
  • ruaj ntseg;
  • txiav;
  • maturation;
  • ci

Thaum xub thawj, ua npuas dej yog cov kua ua kua uas hla txhua theem. Thaum tawm mus, tau txais cov phaj ntawm cov tuab tuab sib txawv. Lub koob npe nrov ntawm polystyrene feem ntau yog vim nws tus nqi qis. Thiab tseem nws muaj ntau yam khoom muaj txiaj ntsig: rwb thaiv tsev suab zoo, tsis pub ya raws dhau, khaws cua sov.

Ib qho ntxiv, ua npuas ncauj tuaj yeem txiav ncaj lossis nkhaus siv cov cuab yeej txheem (riam, hacksaw, riam kub).

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Yam ntxwv thiab khoom

Polyfoam muaj tus lej ntawm cov yam ntxwv zoo

  • Lub zog . Ntawm no cov ntsuas sib txawv ntawm 0.05 txog 0.16 MPa. Qhov ntsuas no ncaj qha rau ntawm cov polymer uas tau siv hauv kev tsim khoom raws li cov khoom siv raw.
  • Kev ua kom sov . Tus nqi siab tshaj plaws yog 0.043 W / (m ยท deg). Qhov ntsuas no tseem nyob ntawm qhov ua tau zoo thiab cov yam ntxwv ntawm cov khoom siv raw.
  • Frost tsis kam . Rau qhov ua npuas dej zoo ib yam, cov ntsuas ntsuas mus txog 200 mus. Yog tias cov khoom siv extruded, tej zaum yuav muaj 500 mus.
  • Kev nqus dej noo tsis tseem ceeb - tsuas yog 1% ib hnub . Tab sis qhov no tsis txhais tau tias cov dej noo tsis nkag mus rau hauv cov khoom txhua. Yog tias nws nyob hauv cov kua rau lub sijhawm ntev, tom qab ntawd nws yuav ua kom tag nrho cov cua nyob nruab nrab ntawm cov cell polystyrene. Hauv qhov no, ua npuas dej yuav plam feem ntau ntawm nws cov khoom qub.
  • Kev tiv thaiv hluav taws - Styrofoam tau suav hais tias yog cov khoom uas tsis tuaj yeem hlawv tau . Thaum raug nplaim taws, kev puas tsuaj thiab ua rau lub ntsej muag xim raug tso cai. Txawm hais tias nws tsis kub hnyiab, nws tuaj yeem yaj (melting point yog 120 degrees Celsius).
  • Tus nqi ua npuas ncauj sib txawv nyob ntawm ntau yam . Qhov no tuaj yeem yog qeb duas ntawm lub tuam txhab tsim khoom, thaj chaw muag khoom, tus nqi ntawm cov khoom siv raw. Tab sis qhov nruab nrab, tus nqi yog 3 txhiab rubles rau txhua m3.
  • Suab rwb thaiv tsev - nyob ntawm qhov tuab, nws tuaj yeem nqus tau txog 32 dB . Daim duab no suav tias yog qhov zoo, tab sis txawm li cas los xij, lub suab rwb thaiv tsev thaum siv cov ntaub plaub ntxhia yuav siab dua.
  • Dej ua pa permeability yog 0.03 mg / mhPa . Nws ntseeg tias cov khoom siv no tsis koom nrog kev tsim huab cua sib pauv ntawm chav thiab txoj kev.

Polyfoam belongs rau qeb ntawm cov khoom siv ib puag ncig zoo. Thiab nws lub neej kev pabcuam yog los ntawm 10 txog 80 xyoo.

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Saib

Muaj ntau ntau yam ntawm cov khoom siv no. Ua ntej tshaj plaws, nws txawv qhov tuab: yam tsawg kawg yog 20 hli, thiab qhov siab tshaj yog 100 hli. Granules kuj tuaj yeem muaj ntau qhov hnyav thiab txoj kab uas hla.

Ib qho ntxiv, ua npuas dej tuaj yeem faib ua 4 pawg dav. Txhua tus ntawm lawv suav nrog qee yam khoom siv uas txawv ntawm lwm tus hauv qhov tsos thiab lwm yam ntxwv.

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Polystyrene

Hom no txawv ntawm qhov nws tau tsim hauv ob txoj kev

  • Pressless - muaj cov pob me me . Kev nthuav tawm polystyrene hauv daim ntawv ua tiav tsuas yog siv los ntim khoom rau kev thauj mus los ntawm ntau yam khoom siv hauv tsev. Cov khoom tsim los ntawm cov txheej txheem tsis nias yog qhov tsis yooj yim (nws tuaj yeem yooj yim tawg los ntawm txhais tes). Qee zaum nws tau muag raws li tawg (hauv cov khoom ntim).
  • Xovxwm Nws txawv nyob rau hauv tias cov granules tau sib txuas ua ke kom muaj zog dua. Cov khoom raug muag hauv cov tawv tawv. Qhov ua npuas dej no tsuas tuaj yeem txiav nrog cov cuab yeej. Kev tsim khoom yog kim dua, yog li nias ua npuas ncauj tsis tshua muaj tshwm sim.

Lub ntsiab kom zoo dua ntawm cov khoom siv no yog nws siab hygroscopicity. Yog tias peb tham txog kev ruaj khov, tom qab ntawd qhov tsis muaj zog nws txawv ntawm 10 txog 35 xyoos. Kev nias tuaj yeem kav ntev txog 70 xyoo. Cov ntsuas no yog qhov tsim nyog, txij li kev teeb tsa raug thiab qhov pib ua tau zoo ntawm cov khoom cuam tshuam ntau.

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Polyurethane

Qhov piv txwv zoo tshaj plaws ntawm polyurethane ua npuas dej yog ua npuas ncauj roj hmab. Nws qhov tshwj xeeb nyob hauv nws cov qauv ntxeem tau, nws zoo rau chav thiab cua . Thaum raug hluav taws, nws tuaj yeem tso tshuaj lom. Piv rau polystyrene ua npuas ncauj, nws yog luv heev. Nws yog siv feem ntau ntawm txhua qhov hauv kev tsim cov rooj tog zaum, piv txwv li, ua rooj tog zaum.

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Polyvinyl tshuaj dawb

Polyvinyl chloride yog cov khoom siv tshwj xeeb uas tau nthuav tawm hauv daim ntawv ntawm cov thermoplastic polymers, ntau dua 50% ua los ntawm cov tshuaj chlorine ua ke . Nws yog vim qhov no tias nws yog qhov tsis zoo raug rau kev hlawv. Qhov tsis txaus ntseeg ntawm cov khoom siv no yog tias tsis muaj tshuaj lom nyob hauv nws. Thiab thaum muaj hluav taws, nws muaj peev xwm tua tau nws tus kheej. Muaj cov yas siab.

Tsis muaj cov khoom siv - nws tsis pom zoo kom siv nws nyob ze rau ntawm cov hlau . Qhov no vim tias PVC ua npuas tuaj yeem ua rau cov hlau puas.

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Polyethylene

Polyethylene ua npuas ncauj kuj tseem suav tias yog cov khoom ntim ib txwm muaj. Nws zoo li zaj duab xis uas muaj cua li qub (ntxau) ntawm ib lossis ob sab . Thaum xub thawj, nws yog cov kua polymer, uas, hla txhua theem kev tsim khoom, hloov mus ua zaj duab xis ntawm ntau qhov tuab. Nws suav tias yog cov khoom siv ib puag ncig zoo. Nrog kev ua haujlwm kom raug, nws tuaj yeem ua haujlwm ntev heev. Qhov tsis zoo tsuas yog nws yog cov khoom siv hluav taws kub.

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Npav

Rau ua npuas dej, uas tau tsim hauv thaj chaw ntawm Lavxias Lavxias, muaj cov cim sib xws . Hauv lawv, raws li txoj cai, cov yam ntxwv zoo ntawm cov khoom nws tus kheej tau muab zais. Yog li, cov lej qhia qhov loj ntawm cov khoom. Kev tsim ua npuas dej yog cim PSB-S 50.

Raws li cov lej poob qis, nws cov yam ntxwv hloov pauv . Yog li, PSB 15 zoo dua rau kev ua tiav saum npoo, piv txwv li, phab ntsa. Kev kos npe yog qhov tsim nyog, vim hais tias ntawm nws lub hauv paus, cov neeg yuav khoom xaiv cov khoom siv nrog cov txheej txheem tsim nyog ntawm cov yam ntxwv zoo.

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Cov txheej txheem tsim khoom

Vim yog qhov xav tau siab thiab muaj koob npe ntawm cov khoom siv no, ntau lub tuam txhab koom nrog nws cov khoom lag luam. Qhov loj tshaj plaws thiab nto moo tshaj plaws yog ob peb hom khoom.

  • TechnoNicol Yog lub tuam txhab loj haum nrog cov ceg hauv CIS thiab Europe. Kev tsim khoom yog nqa tawm hauv ntau dua 100 lub tsev tsim khoom.
  • URSA - thawj qhov kev txhawj xeeb Mev, uas tau pib ua haujlwm hauv Russia xyoo 1995 hauv lub nroog Chudovo. Tom qab ntawd lwm tsob ntoo tau qhib hauv Serpukhov, ze Moscow.
  • " Penoplex" tshuaj - lub chaw tsim khoom lag luam ua haujlwm txij xyoo 1998 hauv St. Cov npe khoom lag luam tau muab faib ua ob pawg dav: rau kev siv hauv tsev thiab kev tshaj lij.
  • " Tepleks" cov - Nizhny Novgorod cog, uas tau pib nws txoj haujlwm rov qab rau xyoo 2005, thiab txij thaum ntawd los tau ua tiav muag cov khoom lag luam zoo.
  • " Timplex" kev - kev lag luam qub tshaj plaws ntawm txhua qhov saum toj no. Thaum xub thawj, nws yog cov tshuaj cog npe tom qab Karpov. Qhov qhib tau tshwm sim rov qab rau xyoo 1868. Txij thaum ntawd los, kev tsim khoom tau ceev nrawm nrog lub sijhawm. Tsis ntev los no, kev tsim ua npuas dej ntawm ntau hom tau tsim muaj.

Cov no tsis yog txhua tus tsim khoom. Kuj tseem muaj cov lag luam me uas tseem tsim cov khoom ua tau zoo.

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Cov ntawv thov

Polyfoam tau pom daim ntawv thov dav hauv ntau yam haujlwm

  • Tsev . Ntawm no, cov khoom siv ua haujlwm zoo li phab ntsa thiab rwb thaiv tsev hauv pem teb rau chav. Ib qho ntxiv, ua npuas dej feem ntau siv los tsim lub suab rwb thaiv tsev hauv cov tsev hauv tsev, nrog rau lwm lub tsev thiab cov txheej txheem thaum screed hauv pem teb thiab phab ntsa. Nws tau muab tso ua hluav taws xob rwb thaiv tsev hauv qab lub hauv paus. Kev cais suab nrov yog lub hom phiaj tseem ceeb.
  • Hauv kev tsim nkoj Cov txheej txheem ua npuas dej kuj tseem siv hauv kev tsim cov khoom siv cawm siav thiab lwm yam khoom siv rau tib lub hom phiaj. Lub nkoj me me thiab nkoj tuaj yeem tsim los ntawm cov khoom siv no, vim nws yog lub teeb heev thiab yuav nyob twj ywm saum cov dej.
  • Hauv ntau yam lag luam Styrofoam yog siv ua khoom ntim. Yog li, nws haum rau ntim khoom noj, thiab thauj cov khoom siv hauv tsev thiab lwm yam khoom lag luam.
  • Hauv kev tsim cov rooj tog .
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Nws yuav tsum raug sau tseg tias ua npuas dej tsis yog siv rau hauv kev lag luam nkaus xwb, tab sis tseem nyob hauv tsev neeg. Kuj tseem muaj ntau thaj tsam ntawm daim ntawv thov no.

  • Heev feem ntau, cov neeg nuv ntses los ntawm polystyrene ua tsev ntab rau nuv ntses. Styrofoam ntab zoo. Nws yog qhov txaus tsuas yog pleev xim rau ib qho me me ntawm cov khoom hauv cov xim zoo nkauj - thiab ntab tau npaj txhij.
  • Hauv kev ua haujlwm, polystyrene kuj tseem siv tau. Styrofoam npas zoo li daus hauv qhov tsos, yog li ntawd lawv tsim nyog los tsim kev sib xyaw ntawm cov ncauj lus sib xws. Patchwork (tsim cov duab los ntawm cov ntaub ntawm cov ntaub) kuj tseem tsis tiav yog tias tsis koom nrog cov khoom siv no, rau qhov no koj tsuas yog yuav tsum ntsaws cov ntaub rau hauv qhov nqes txiav hauv ua npuas ncauj.
  • Styrofoam zoo rau tsim ntau hom khoom ua si thiab menyuam cov rooj tog zaum.

Thiab cov no nyob deb ntawm txhua qhov ntawm kev siv cov khoom siv thoob ntiaj teb no.

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Nta qauv

Kev teeb tsa Styrofoam yog ib qho yooj yim tshaj plaws. Qhov no vim tias cov khoom siv nws tus kheej yog qhov hnyav heev hauv qhov hnyav. Muaj ntau txoj hauv kev los txuas ntau hom ua npuas dej rau lwm qhov chaw:

  • ob daim kab xev;
  • kua nplaum (cov tshuaj sib xyaw uas tsis txhoj puab heev uas tsis corrode ua npuas nws tus kheej);
  • dowels;
  • staples;
  • khawm.

Cov kev xaiv nrawm tuaj yeem muaj ntau yam sib txawv. Yog tias cov khoom siv tau nruj nreem nruab nrab ntawm phab ntsa raws li rwb thaiv tsev, feem ntau, nws yuav tsis txuas ntxiv rau hauv txhua txoj kev.

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Nuances ntawm kev ua

Txawm tias muaj tseeb tias feem ntau hom ua npuas dej yog ib puag ncig zoo, nws tseem yuav tsum tau muab pov tseg kom raug. Muaj peb txoj hauv kev tseem ceeb los ua Styrofoam:

  • sib cais;
  • nias;
  • kev tshem tawm.

Txoj hauv kev siv ntau tshaj plaws thiab yooj yim tshaj plaws yog rov ua dua. Tom qab tsoo rau hauv cov khoom me me, ua npuas dej rov ua dua tshiab tau muab tso rau hauv lub thawv tshwj xeeb. Yav tom ntej, nws kuj tseem tuaj yeem siv ua tus muab tub lim. Nias lossis ua kom nruj - Txoj kev no yog tsim los txhawm rau txo qhov ntim ntawm cov khoom. Hauv qhov no, daim hlau ua npuas tsis tau tawg, tab sis raug rau cov xovxwm thiab kub. Raws li qhov ua tiav, nws ntim tau txo tsawg kawg 10 zaug.

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Kev sib cog lus yog ua tiav hauv peb theem:

  • compression;
  • muag muag;
  • saw txiav.

Cov polystyrene nthuav dav yog cov khoom lag luam ntawm cov tshuaj tiv thaiv tshuaj, yog li nws dhau los ntawm kev sib tawg. Raws li cov tshuaj reagent, sib tov tau siv ntawm no, lub hauv paus tseem ceeb ntawm uas yog benzene. Hauv nws qhov kev cuam tshuam, ua npuas dej hloov mus ua tuab, tab sis ua kua ntau. Txhawm rau kom pov tseg pov tseg kom raug, nws yog qhov yuav tsum tau xa nws mus rau qhov chaw khaws khoom. Muaj cov npuas dej yuav raug xa mus rau kev ua haujlwm ntxiv. Raws li cov khoom siv raw, nws tuaj yeem siv los tsim lub zog, ua ib feem hauv kev npaj cov qhob cib, thiab tseem yog cov khoom siv raw hauv kev tsim khoom thawj zaug.

Pom zoo: