Thaum xaiv cov khoom siv hauv tsev, peb pib los ntawm cov ntsuas sib txawv, tab sis cov kev xav tau tseem ceeb tseem ua tau zoo, kav ntev thiab pheej yig. Tag nrho cov no yuav tsum tau ua raws li niaj hnub rwb thaiv tsev thiab waterproofing polyurethane ua npuas ncauj, cov yam ntxwv uas tso cai rau siv nyob rau hauv ntau yam teb. Tsis tas li ntawd, polyurethane ua npuas ncauj ntau yam yog siv dav hauv kev tsim cov txaj thiab rooj tog, uas qhia tau hais tias cov khoom zoo thiab kev nyab xeeb.
Cov txiaj ntsig yog dab tsi
Pib nrog, peb nco ntsoov tias cov khoom siv no xav tau ntau heev vim tias lawv tuaj yeem ua tiav txhua qhov chaw, thaum koj tuaj yeem txuag tau nyiaj ntau ntxiv. Qhov txawv ntawm qhov rwb thaiv tsev no suav nrog:
- Ib puag ncig tus phooj ywg thiab tsis muaj tshuaj lom: lees paub los ntawm kev rov ua dua cov khoom siv.
- Txau polyurethane ua npuas ncauj yooj yim siv thiab pheej yig.
- nce hauv thermal rwb thaiv tsev, uas txo tus nqi ntawm qhov chaw cua sov ntxiv los ntawm yuav luag 40%.
- Durability ntawm kev ua haujlwm: PPU tuaj yeem kav ntev li 30-40xyoo tsis poob nws cov khoom.
- Kev ua kom muaj zog, uas tau lees paub los ntawm qhov tsis muaj pob qij txha, seams, thermal txuas hniav.
- Txij thaum lub rwb thaiv tsev yog siv los ntawm kev txau, tsis tas yuav siv cov fasteners. Thiab qhov no txhais tau hais tias cov choj txias yuav tsis tsim, thiab lub tsev yuav tswj nws txoj kev ncaj ncees mus ntev.
- PPU yog hluav taws kub, uas tseem ceeb heev.
- Polyurethane ua npuas ncauj yog cua sov thiab Frost resistant thiab siv tau nyob rau hauv qhov kub ntawm -70 txog +130 degrees.
- Cov khoom siv tiv taus tshuaj, roj av, roj, bitumen, xim.
Polyurethane ua npuas ncauj: kev ua haujlwm
Cov khoom siv polyurethane ua npuas ncauj muaj cov yam ntxwv hauv qab no. Ua ntej, polyurethane ua npuas ncauj muaj adhesion zoo, uas yog, adhesion rau ntau qhov chaw. Thib ob, polyurethane ua npuas ncauj txheej yog ruaj khov - koj tuaj yeem taug kev ntawm nws. Thib peb, vim qhov hnyav qis, lub nra ntawm lub tsev tsim tsis nce. Plaub, PPU yog universal, txij li thaum nws sib xyaw ua haujlwm ntawm vapor barrier thiab cov ntaub ntawv tsis muaj dej. Yog li, thaum siv nws, txheej txheej kaw tau tsim uas tiv taus dej thiab cua.
Polyurethane ua npuas ncauj cov khoom tso cai rau koj txo lub sijhawm ua haujlwm rwb thaiv tsev, thaum txheej txheej ua tiav yam tsis muaj pob qij txha thiab qhov khoob. Thiab qhov no txhais tau hais tias tom qab ntawm qhov chaw yuav tsis tawg nyob rau hauv ntau yam influences.
Nws thov nyob qhov twg?
PPU yog dav siv rau thermal rwb thaiv tsev nyob rau hauv kev tsim kho vaj tse, suab thiab thermal rwb thaiv tsev ntawm industrial, civil lug, rau txias rwb thaiv tsev ntawm tuav, tub yees cov nroj tsuag, kom muaj kev ruaj ntseg thiab buoyancy ntawm ntoo muab los ntawm rafting rau dej. Yog li, polyurethane ua npuas ncauj muaj ntau yam ntxwv, tso cai rau siv cov khoom siv hauv ntau qhov chaw.
Nws yuav tsum tau hais tias txhua yam khoom siv tshuaj tsuag muaj ntau qhov zoo:
- tiv thaiv hlau los ntawm corrosion;
- yog cov dej tsis zoo, rwb thaiv tsev;
- muaj tuav zoo rau txhua qhov chaw;
- thov nrawm.
FPU rau tub yees
Polyurethane ua npuas ncauj, uas nws cov yam ntxwv muaj ntau haiv neeg, yog siv rau cov khoom siv tub yees. Nws lub hom phiaj yog cais cov hnab ntawv hauv tsev, cov kav dej uas muab cov kua nitrogen thiab ammonia. Thaum tsim molded qhov chaw rau tsheb, ib tug elastic, thermoformable, semi-rigid yog siv, thiab nws yog tsim nyog los tsim cov molded qhov chaw. Cov khoom siv kuj tseem siv los tsim ntau yam khoom dai rau rooj tog.
PPU hauv kev lag luam teeb pom kev zoo
Nyob rau hauv rooj plaub no, polyurethane ua npuas ncauj rau txaj yog nrov heev. Cov yam ntxwv ntawm cov khoom nyob rau hauv cov ntaub ntawv no yog raws li nram no:
- practicality;
- functionality;
- durability;
- Muab cov khoom orthopedic;
- ntau yam ntawm cov qauv txaj - nrog cov springs, hauvob peb txheej lossis nrog cov khoom hloov pauv geometry.
Hauv kev lag luam teeb, raws li PPU yog siv los tsim cov tawv hluavtaws, laminated fabrics. Cov khoom siv tseem xav tau hauv lub tsev tsheb thiab lub tsev dav hlau los tsim cov pwm zoo uas tiv taus hluav taws.
Qhov ntau siv polyurethane ua npuas ncauj rau lub txaj. Cov yam ntxwv ntawm cov khoom no zoo kawg nkaus ua tau raws li qhov yuav tsum tau ua ntawm cov neeg tsim khoom ntawm cov ntaub pua tsev, vim nws tsis muaj kev cuam tshuam rau cov khoom siv ntuj tsim zoo, thiab ntawm tus nqi nws muaj txiaj ntsig ntau dua los xaiv nws. Kev siv polyurethane ua npuas ncauj hauv kev tsim cov ntaub pua tsev yog pom zoo vim tias nws txawv:
- zog;
- durability;
- elasticity;
- kev ruaj ntseg;
- hypoallergenic.
Cov yam ntxwv ntawm cov khoom yog nws cov softness, yog li cov ntaub so ntswg yog xis thiab muab ib tug xis so. Tsis tas li ntawd, nws tsis ua rau muaj kev tsis haum tshuaj, raws li txoj cai, koj tuaj yeem muab lub txaj zoo li no rau hauv chaw zov me nyuam thiab hauv chav tsev neeg laus.
PPU rau rooj tog
Cov khoom siv rooj tog yog lwm qhov chaw uas cov khoom siv no tau siv dav, thiab ntawm no nws yog qhov hloov pauv polyurethane ua npuas ncauj uas xav tau. Thawj thawj zaug cov khoom no tau tsim rov qab rau hauv lub 30s hauv lub teb chaws Yelemees, thiab niaj hnub no ntau yam ntawm cov khoom no yog tsim, uas yog siv nyob rau hauv lub tsim ntawm lub txaj thiab rooj tog. Vim yog qhov zoo ntawm PU ua npuas ncauj, nws tuaj yeem siv los kho ntau qhov chaw ntawm cov rooj tog zaum hauv qhov chaw ntom ntom thiabrigidity, uas tiv thaiv cov khoom los ntawm deformation. PPU yog siv dav hauv kev tsim armrests thiab headrests, nrog rau cov rooj zaum, thiab qhov siab dua ntawm cov khoom siv raw, cov khoom yuav kav ntev dua.
Txoj kev ua npuas ncauj elastic
Elastic polyurethane ua npuas ncauj muaj ntau qib ntawm rigidity, yog li nws yuav tsum tau xaiv nyob ntawm seb lub hom phiaj. Piv txwv li, polyurethane ua npuas ncauj ntawm siab softness yog xav tau nyob rau hauv cov rooj tog uas tsis muaj springs. Elasticity kuj tseem ua lub luag haujlwm tseem ceeb, txij li kev sib xyaw ua ke hauv pem teb, piv txwv li ntawm cov rooj zaum, nyob ntawm qhov xwm txheej no. Nws tseem yog ib qho tseem ceeb uas polyurethane ua npuas ncauj ua tau raws li qhov yuav tsum tau muaj kev nyab xeeb, txij li txhua daim ntawm rooj tog yuav tsum tau ua raws li kev cai huv thiab huv. Yog tias tsim cov khoom muag ntawm cov duab nyuaj, yuav tsum tau siv cov pwm tshwj xeeb PPU, uas yog tsim nyob rau hauv high-precision pwm.
Rau rooj tog, polyurethane ua npuas ncauj, uas nws cov yam ntxwv muaj ntau haiv neeg, tau los ntawm kev sib xyaw ntau yam polymers nrog lub hauv paus hluavtaws. Feature ntawm no rooj tog muab tub lim hauv:
- kev hloov pauv tau;
- ntawm qhov sib txawv ntawm qhov nyuaj;
- reliability;
- durability.
rwb thaiv tsev nrog polyurethane ua npuas ncauj
Polyurethane ua npuas ncauj, uas nws cov yam ntxwv muaj peev xwm qhib tau dav rau nws daim ntawv thov hauv ntau qhov chaw, yog tsim los ntawm kev sib xyaw ua ke ob cov kua dej - polyol thiab isocyanate. Thaum insulating phab ntsa, lub installation ntawm cov khoom yog nqa tawm nyob rau hauv ob txoj kev - los ntawm txau los yogfilling. Qhov zoo ntawm kev siv PPU ua cov khoom siv hluav taws xob muaj xws li hauv qab no:
- Polyurethane ua npuas ncauj khoom yog zoo tagnrho rau phab ntsa, ru tsev, pem teb, thiab siv tau ob sab hauv thiab sab nraud.
- PPU yog siv los ua kom tiav txhua qhov chaw.
- Kev ua haujlwm suab nrov zoo heev.
- siab tiv thaiv ntau yam tshuaj lom neeg - acids thiab alkalis.
- Muaj peev xwm ua haujlwm hauv txhua qhov kub thiab txias.
- High mechanical zog.
Sprayed polyurethane ua npuas ncauj adheres zoo rau txhua qhov chaw, ua pob zeb, cib lossis ntoo. Sau tag nrho cov kab nrib pleb thiab crevices, cov khoom tsim ib qho kev txhim khu kev qha thiab monolithic txheej. Thaum txau yog siv los ua kom tiav lub tsev thav duab, nws muab kev tiv thaiv kev tiv thaiv corrosion, ntxiv rau, PPU tiv taus kev lwj, pwm thiab kab mob.
Cons ntawm rwb thaiv tsev
Dav siv nyob rau hauv rwb thaiv tsev ntawm polyurethane ua npuas ncauj. Nws cov yam ntxwv zoo yog qhov zoo, tab sis tseem muaj ntau qhov nuances uas yuav tsum tau xav txog thaum siv nws. Lub ntsiab drawback yog tus nqi siab ntawm kev ua haujlwm, tshwj xeeb tshaj yog tias koj caw cov kws tshaj lij nrog cov khoom siv. Qhov thib ob lub ntsiab lus yog tias yog tias PPU ntes hluav taws, ces qhov hluav taws kub tuaj yeem tua tau, tab sis cov khoom nws tus kheej yuav smolder rau lub sijhawm ntev thiab tawm cov khoom tsis zoo. Qhov thib peb yog qhov txwv sab nraud yog siv polyurethane npuas rwb thaiv tsev. Cov yam ntxwv tso cai rau koj siv nws ntawm txhua qhov chaw, tab sis koj yuav tsum xav txog yuav ua li cascov khoom yuav ua tiav ntxiv.
Tus kws tshaj lij qhia dab tsi?
- phab ntsa rwb thaiv tsev siv polyurethane ua npuas ncauj tsuas yog nqa tawm sab nraud xwb.
- Sab hauv tsev, kev tiv thaiv ntau tshaj ntawm cov rwb thaiv tsev los ntawm ya raws thiab hnub ci yuav tsum tau muab.
- Yog tias cov phab ntsa yog insulated, ces qhov chaw sab hauv yuav tsum tau muab kaw kom tiav kom cov khoom tiav tsis txhob cia cua nkag rau hauv chav.
Polyurethane ua npuas ncauj: yam ntxwv, neeg siv tshuaj xyuas
Cov khoom siv no kuj tau siv dav rau cov vov tsev, thiab ob ntawm nws ntau yam yog nrov ntawm no - elastic thiab tawv. Tus thawj muaj ib tug qhib ntxeem tau qauv, uas yog sau los ntawm sab hauv nrog cua los yog carbon dioxide. Cov khoom no yog qhov zoo vim tias nws tso cai rau koj kom ua tiav lub suab rwb thaiv tsev ntawm cov chav nrog qis coefficient ntawm thermal conductivity. Rigid polyurethane ua npuas ncauj yog tus cwj pwm los ntawm cov qauv kaw ntawm tes, nyob rau hauv uas kwv yees li 3% cov khib nyiab, thaum seem ntawm cov ntim yog cov hlwb. Vim nws qhov ntom ntom, cov khoom siv no tau siv dav hauv kev tsim kho.
Vim li cas PPU?
Muaj ntau cov ntaub ntawv rau insulating lub ru tsev, tab sis polyurethane ua npuas ncauj tau nrov zuj zus. Cov yam ntxwv sib piv nrog cov ntaub plaub li niaj zaus hais txog kev xaiv thawj cov khoom, thiab cov hauv qab no siv rau cov yam ntxwv ntawm PPU ru tsev rwb thaiv tsev:
- Cov khoom yog lub teeb thiab tsis deform thaumsiv tau ntev.
- Vim cov qauv ntxeem tau, nws ua haujlwm zoo tiv thaiv kev ya raws.
- Thaum insulating nrog polyurethane ua npuas ncauj, qhov kub poob tuaj yeem txo qis.
- Thaum lub sijhawm ua haujlwm, cov khoom siv tsis tso cov tshuaj phem.
Nws yog ib qho tseem ceeb uas rau rwb thaiv tsev nrog polyurethane ua npuas ncauj nws tsis yog yuav tsum tau disassemble tus qauv, vim nws yog siv tau yooj yim thiab yooj yim rau txhua qhov chaw. Nws tseem tsis tas yuav npaj ua ntej npaj qhov chaw rau kev ua haujlwm, txij li PPU nws tus kheej ua tiav nrog ib qho ntawm nws qhov tsis sib xws. Daim ntawv thov yog nqa tawm nrog cov cuab yeej tshwj xeeb, yog li tsis tas yuav txiav cov ntxhia wool slabs thiab ces haum rau lawv ua ke.
Kev tiv thaiv tus kheej tuaj yeem ua tau ob txoj hauv kev - nchuav lossis txau. Thawj txoj kev yog qhov zoo vim tias nws ua rau nws ua haujlwm nrog txhua qhov av thiab hauv ib qho ntawm nws lub xeev. Yog li ntawd, koj tuaj yeem npaj ntau yam arches, ledges, kab. Txoj kev no kuj zoo thaum ua haujlwm hauv qhov chaw nyuaj, thaum rov kho dua. Thermal rwb thaiv tsev nyob rau hauv cov ntaub ntawv no yuav ua tau zoo, nruj, txij li thaum tag nrho cov seams thiab pob qij txha yuav ua tiav. PPU txau yog nqa tawm nrog cov cuab yeej tshwj xeeb, thaum qhov ceev ntawm cov txheej txheem sib txawv.
Cov Lus Qhia
Yog li, cov khoom siv polyurethane ua npuas ncauj muaj cov yam ntxwv sib txawv kiag li. Rau rooj tog, piv txwv li, ib tug ntau yam yog haum, rau rwb thaiv tsev - ib tug sib txawv kiag li. Thiab yog hais tias nyob rau hauv thawj rooj plaub muaj tsuas yog tsis muaj lwm txoj kev rau cov khoom no, ces nyob rau hauv cov ntaub ntawv ntawm lub tsev rwb thaiv tsev, koj muaj peev xwm xaiv los ntawmntau yam kev xaiv. Thiab txhua tus neeg tsim khoom niaj hnub no, thiab cov neeg uas koom nrog kev rwb thaiv tsev thermal ntawm lawv lub tsev ntawm lawv tus kheej, muab kev nyiam rau PPU. Ua ntej, nws pheej yig. Qhov thib ob, nws yog siv yooj yim thiab ntau txoj hauv kev, uas tso cai rau koj xaiv qhov kev daws teeb meem zoo tshaj plaws rau txhua tus neeg siv. Thirdly, nrog rau kev thov kom raug, nws yuav tsis tawm cov pob qij txha thiab seams, uas yuav raug kho hermetically ib tug priori. Yog li, koj lub tsev yuav sov so. Cov txaj pw uas muaj polyurethane ua npuas ncauj tsis muaj qhov tsis zoo, uas ib zaug hais lus nyiam ntawm nws qhov kev xaiv.
