Koj tuaj yeem hloov koj cov mortars qhuav los ntawm kev ntxiv cov polyvinyl cawv resin uas muaj cov khoom huv si. Polyvinyl cawv hmoov ua haujlwm ua tus binder muaj zog, zaj duab xis-former, thiab thickener. Koj txhim kho lub zog tensile bond, kev ywj pheej, thiab kev khaws dej tam sim ntawd. Cov neeg tsim khoom xaiv Tuam Tshoj Tus Muab Khoom PVA hmoov polyvinyl cawv rau Adhesive / Mortar Construction kom tiv thaiv kev tawg shrinkage, ntev lub sijhawm qhib, thiab tsim cov cement sib xyaw ruaj khov.
- •Ntxiv cov hmoov cawv polyvinyl rau hauv cov cement mortar qhuav ua rau muaj kev sib txuas zoo dua thiab tiv thaiv kev tawg ntawm qhov chaw.
- •PVA tuav dej nyob rau hauv cov sib tov cement ntub kom muab sijhawm ntxiv rau cov neeg ua haujlwm rau kev yooj yim rau kev teeb tsa vuas.
- •Cov qib PVA hydrolyzed ib nrab yaj sai hauv dej txias los ua cov putties phab ntsa uas yoog tau thiab siv tau ntev.
Lub Luag Haujlwm Tseem Ceeb ntawm PVA hauv Kev Tsim Kho Mortars
Koj tuaj yeem hloov cov khoom sib tov qhuav ib txwm mus ua cov tshuaj khib ua vaj tse zoo los ntawm kev ntxiv cov hmoov polyvinyl cawv. Cov PVA resin zoo ua haujlwm ua cov khoom sib txuas, ua zaj duab xis, thiab ua kom tuab. Koj ua tiav cov khoom zoo dua, muaj zog dua, thiab ruaj khov mus ntev hauv koj cov khoom cementitious.
Lub zog tensile thiab adhesion zoo tshaj plaws
Thaum koj sib tov cov av qhuav nrog dej, cov hmoov PVA yuav yaj sai sai thiab tsim cov polymer matrix sib xws. Cov matrix no txheej cov cement me me thiab sau cov qhov me me hauv cov cement paste. Thaum cov cement hydrates, cov polymer tsim cov tshuaj sib txuas nrog cov substrate thiab cov cementitious network. Koj tau txais lub zog tensile siab dua, uas tiv thaiv cov vuas pobzeb tawg, phab ntsa putty flaking, thiab qhov chaw delamination dhau sijhawm.
Cov kws tshawb fawb tau sau tseg txog kev hloov kho polymer thiab fiber kom muaj zog li cas rau cov cementitious matrices:
| Kev Siv Los Kawm | Lub Luag Haujlwm Tseem Ceeb ntawm PVA Tshawb Fawb | Kev Tshawb Pom Tseem Ceeb Txog Kev Ua Haujlwm ntawm Cov Pob Zeb | Cov Lus Qhia Txhawb Nqa |
|---|---|---|---|
| Deng et al. (2020) – Tsim. Tsev. | Kev txhawb nqa fiber ntau rau kev coj cwj pwm tensile | Kev txhim kho tus cwj pwm tensile ntawm cov ntaub-reinforced mortar (TRM) | Cov xov luv luv PVA txhim kho kev ua tau zoo ntawm TRM systems. |
| Wang et al. (2018) - Constr. Build. Mater. | Kev txhawb nqa fiber ntau hauv cov qauv pob zeb hloov kho | Cov khoom zoo dua thiab kev ua tau zoo hauv cov roj hmab pob zeb | Cov fibers PVA txhim kho kev ua tau zoo ntawm cov roj hmab-hloov kho cov pob zeb matrices. |
| Liu et al. (2024) – J. Build. Eng. | Kev txhim kho interface hauv cov kab ke geopolymer | Kev ua tau zoo ntawm interface hauv geopolymer concrete | Nano-SiO2 hloov kho PVA fibers txhim kho qhov sib txuas ntawm fiber-matrix. |
| Cheng et al. (2023) - Kev Ruaj Ntseg | Kev Ua Tau Zoo Hauv Cov Khoom Siv Cementitious (ECCs) | Kev tshuaj xyuas ntawm PVA fiber kev ua tau zoo hauv ECCs | PVA fiber lub luag haujlwm hauv kev ua tiav cov khoom sib xyaw ua ke zoo. |
| Kev Tshawb Fawb Txog Kev Sim (PMC Tsab Xov Xwm) | Kev txhawb nqa ntau yam | Cov ntsiab lus PVA zoo tshaj plaws (0.4–0.8 vol%) ua rau lub zog tag nrho zoo dua | PVA tsim ib lub network 3D uas txuas cov microcracks thiab ua kom thaj chaw hloov pauv ntom ntawm hydrogen bonding. |
Kev Tsim Zaj Duab Xis Yooj Yim thiab Kev Txo Qhov Ncab
Cov cement mortars txheem yuav qaug zog thaum dej ua pa thaum lub sijhawm kho. Qhov kev qhuav no ua rau muaj kev ntxhov siab sab hauv, ua rau muaj cov kab nrib pleb me me uas ua rau cov qauv tsis zoo. Cov PVA resin uas yaj yuav faib thoob plaws cov nplaum ntub. Thaum koj cov mortar qhuav, cov polymer sib sau ua ke los ua ib daim nyias nyias, ywj pheej hla cov qhov me me.
Vim nws cov qauv molecular tshwj xeeb, PVA tsim cov zaj duab xis tawv, ywj pheej thaum lub sijhawm kho, uas txhim kho qhov cuam tshuam thiab kev ua haujlwm ntev ntawm cov khoom tiav thaum txo qhov kev tsim ntawm cov kab nrib pleb ntawm qhov chaw.
Cov polymer network no txuas cov kab nrib pleb me me tam sim ntawd thiab nqus cov kev nyuaj siab ntawm cov qauv uas tshwm sim los ntawm kev nthuav dav thermal lossis cov khoom siv kho tshuab. Koj tsim cov tsho tiv no skim, cov putties phab ntsa, thiab cov nplaum pobzeb uas tiv taus kev txav chaw ib puag ncig yam tsis muaj kev tawg lossis ntsws.
Kev Khaws Dej thiab Kev Txhim Kho Kev Ua Haujlwm
Kev ywg dej kom txaus yuav tsum tau khaws dej kom txaus hauv cov mortar tshiab. Cov cement sib xyaw ua ke sai sai poob dej los ntawm kev ua pa thiab nqus mus rau hauv cov substrates porous xws li cib lossis cov pob zeb. Kev poob dej sai sai ua rau cov cement tsis muaj zog, ua rau qhov chaw tsis muaj zog, plua plav, thiab tsis nplaum zoo.
Hmoov PVA muaj ntau pawg hydrophilic hydroxyl ntawm nws cov saw polymer. Cov pab pawg ua haujlwm no khi cov dej molecules los ntawm hydrogen bonds, tuav cov dej noo kom nruj hauv cov khoom sib xyaw ntub. Koj ncua lub sijhawm qhib ntawm koj cov mortars, muab sijhawm ntxiv rau cov neeg teeb tsa pobzeb thiab cov neeg pleev plasterers los kho cov ntaub ntawv. Cov tshuaj polymer thickened kuj ua haujlwm ua tus hloov pauv rheology. Koj tau txais cov roj nplua nyeem zoo dua, cov yam ntxwv troweling du dua, thiab cov khoom tiv thaiv kev poob qis ntawm cov phab ntsa ntsug.
Kev Tiv Thaiv Kev Sib Nraus thiab Kev Cuam Tshuam
Cov cementitious mortars uas tsis tau hloov kho feem ntau qhia txog qhov tsis zoo ntawm qhov chaw tawv thiab tus cwj pwm brittle mechanical nyob rau hauv dynamic loads. PVA kev hloov kho hloov pauv lub microstructure sab hauv ntawm cov mortars tawv. Cov zaj duab xis polymer txuas ntxiv qhwv ib puag ncig cov xuab zeb thiab cov khoom hydration, tsim cov qauv co-matrix uas faib cov zog hauv zos kom sib npaug.
Koj cov mortars uas tau kho lawm tiv taus kev khawb ntawm qhov chaw, kev taug kev ntau, thiab kev cuam tshuam ntau zaus. Qhov kev sib koom ua ke zoo dua tiv thaiv cov hmoov av ntawm cov screed hauv pem teb thiab tiv thaiv cov phab ntsa sab nraud kom tsis txhob muaj huab cua phem. Los ntawm kev siv cov hmoov PVA uas muaj cov khoom huv si rau hauv koj cov qauv sib tov qhuav, koj tsim cov mortars ruaj khov, kav ntev uas ua tau raws li cov qauv kev tsim kho nyuaj tshaj plaws.
Cov Ntawv Thov Mortar rau PVA Hmoov
Koj tuaj yeem hloov kho cov mortar qhuav hauv ntau qhov project kev tsim kho nrog cov khoom siv polymer uas muaj cov khoom ntshiab siab. Kev ntxiv cov polymer resin txhim kho cov khoom siv lub cev thiab ua kom yooj yim rau cov txheej txheem thov rau cov neeg ua haujlwm.
Cov Nplaum Rau Pobzeb Thiab Cov Cementitious Grouts
Cov vuas loj yuav tsum muaj lub zog sib txuas zoo heev thiab tiv taus dej. Cov polyvinyl alcohol anchors cement nplaum nruj nreem rau ntawm cov plag tsev porcelain thiab phab ntsa pob zeb.
- Cov qauv grout niaj hnub no ua tiav qhov zoo tshaj plaws tiv taus dej thiab lub zog nrog 0.3% PVA fiber ntau.
- Cov polymer sib txuas muaj zog tiv thaiv cov vuas kom tsis txhob plam ntawm cov chaw ntsug thaum lub sijhawm teeb tsa.
Cov Khoom Siv Rau Phab Ntsa thiab Cov Khoom Siv Skim
Cov nplaum nyias nyias yuav tsum muaj kev ywj pheej kom du raws sijhawm. Hmoov PVA khi cov khoom me me, ua rau cov nplaim ntom thiab tsis tawg.
Cov polymers uas tau rov ua kom muaj dej ntau ua rau muaj kev sib txuas lus zoo hauv cov putty phab ntsa. Lub kaw lus no txo qhov nqus dej, tiv thaiv cov hmoov av ntawm qhov chaw, thiab tiv thaiv qhov interface kom tsis txhob mos tom qab raug dej noo.
Ntxiv PVA hmoov muab cov txiaj ntsig tseem ceeb ntawm cov qauv:
- · Txhim kho tag nrho cov txheej elasticity.
- Txo qhov kev qhuav ntsws kom tsawg heev.
- · Tiv thaiv cov kab nrib pleb nyias nyias ntawm cov phab ntsa sab hauv dav.
Cov Tshuaj Sib Xyaws Hauv Pem Teb Uas Ua Rau Nws Tus Kheej Sib Npaug
Cov ntaub pua plag hauv pem teb xav tau kev sib npaug sai thiab qhov nyuaj ntawm qhov chaw. Kev koom ua ke ntawm Tuam Tshoj Tus Neeg Muab Khoom PVA hmoov polyvinyl cawv rau Adhesive / Mortar Construction tswj cov kua dej rheology thaum tiv thaiv kev sib cais ntawm cov khoom siv. Koj ua tiav cov plag tsev tiaj tus, tsis muaj plua plav uas kho sai sai nyob rau hauv cov xwm txheej nyuaj.
Cov Txheej Txheem Rwb Thaiv Sab Nraud thiab Cov Txheej Txheem Ua tiav (EIFS)
Cov txheej txheej phab ntsa sab nraud ntsib kev kub ntxhov tas li thiab nag hlob heev. Cov tshuaj PVA muab qhov yooj ywm rau cov mortars basecoat hla cov laug cam rwb thaiv tsev uas mos mos. Koj tiv thaiv cov vaj huam sib luag rwb thaiv tsev hauv qab thaum tsim cov façades sab nraud uas kav ntev thiab tiv taus huab cua.
Kev tsim cov cementitious mortars nrog PVA Resin
Koj yuav tsum xam cov piv txwv kev kawm kom raug kom tsim tau cov qauv sib tov qhuav uas muaj zog thiab txhim khu kev qha. Cov khoom ntxiv polymer hloov pauv lub cev ntawm cov tshuaj cement. Kev ntxiv cov polymer resin kom raug ua kom muaj kev ua haujlwm zoo tshaj plaws, kev sib txuas zoo, thiab kev tiv thaiv kev tawg hauv koj cov khoom tiav.
Cov Nqi Tshuaj thiab Cov Feem Pua Uas Pom Zoo
Koj yuav tsum phim koj cov nqi tshuaj kom haum rau qhov kev ua tau zoo ntawm koj daim ntawv thov. Kev hloov me me ntawm cov polymer ua rau muaj kev hloov pauv loj hauv kev nplaum thiab kev tiv thaiv dej. Cov nplaum cement-based vuas yuav tsum muaj cov polymer kom raug kom tiv thaiv cov vuas ntsug tsis ntog thiab tsis sib txuas.
| Hom Daim Ntawv Thov | Cov Tshuaj Pom Zoo | Kev suav cov tshuaj noj | Lub Hom Phiaj Tseem Ceeb ntawm Kev Tsim Qauv |
|---|---|---|---|
| Cov nplaum rau pobzeb uas siv cement | 0.5% txog 2.0lt;/td> | Qhov hnyav sib tov qhuav | Ua kom muaj kev sib txuas siab tshaj plaws thiab txuas lub sijhawm qhib |
| Cov Tshuaj Mortar Tiv Thaiv Kev Tawg (Fiber) | 0.9–1.2 kg/m³ | Cov txiaj ntsig tiag tiag ntawm cov khoom lag luam | Tiv thaiv kom tsis txhob muaj cov kab nrib pleb me me ntawm qhov chaw |
| Cov Cuab Yeej Uas Muaj Zog Siab (HDM) | Lub hauv paus ntawm feem pua ntawm qhov ntim | Qhov ntim ntawm lub matrix | Txhim kho lub zog flexural thiab lub peev xwm strain |
Koj yuav tsum xam cov koob tshuaj fiber siv cov khoom sib xyaw ua ke tiag tiag ntawm koj lub tshuab sib tov es tsis yog siv lub npe ntawm daim ntawv lo. Koj tuaj yeem txhim kho koj tus qauv sib tov los ntawm kev ua raws li cov txheej txheem sim ua qauv:
| Cov Lus Qhia Txog Kev Taw Qhia | Cov Lus Qhia Raws Li Pov Thawj |
|---|---|
| Cov Tshuaj Siv Li Cas (Cov Tshuaj Mortar Tiv Thaiv Kev Tawg) | 0.9–1.2 kg ntawm PVA fiber ib cubic meter (m³) ntawm mortar, nrog 6 hli fiber ntev ua qhov pib sib xws. |
| Txoj Kev Xam (Dosage ib pawg) | Fiber ib pawg (kg) = Cov tshuaj qhia tshwj xeeb (kg/m³) × Cov txiaj ntsig tiag tiag ntawm pawg (m³). Siv cov txiaj ntsig tiag tiag, tsis yog lub npe ntawm lub tshuab sib tov. |
| Cov Lus Qhia Txog Kev Siv Tshuaj | Siv kg/m³ rau cov mortar ib txwm; feem pua ntawm qhov ntim rau Engineered Cementitious Composites (ECC); feem pua ntawm qhov hnyav qhuav rau fiber cement. Tseem ceeb heev rau kev hais lub hauv paus kom tsis txhob muaj qhov yuam kev (piv txwv li, 2% los ntawm qhov ntim ≠ 2% los ntawm qhov hnyav qhuav). |
| Cov Txheej Txheem Tsim Qauv Kev Sim | Tswj ib lub matrix uas ruaj khov thiab hloov ib qho hloov pauv ib zaug. Ib qho series uas pom zoo rau cov tshuaj mortar tiv thaiv kab nrib pleb yog kev tswj tsis muaj fiber ntxiv rau 0.9, 1.05, thiab 1.2 kg/m³. Tuav qhov piv ntawm dej rau cov khoom sib txuas kom ruaj khov thiab kho cov dej txo tsuas yog hauv kev sim sib cais, sau tseg. |
Xaiv Cov Qib Hydrolysis thiab Viscosity
Koj yuav tsum xaiv qib hydrolysis thiab qhov hnyav molecular kom raug rau koj cov khoom sib tov. Hydrolysis txiav txim siab tias cov polymer yaj sai npaum li cas hauv dej txias. Cov polymers hydrolyzed ib nrab yaj sai hauv dej kub hauv chav tsev, ua rau lawv zoo tagnrho rau cov mortars qhuav sib xyaw hauv thaj teb.
| Aspect | Cov ntsiab lus |
|---|---|
| Qib PVA pom zoo | PVA-2488 |
| Qib Hydrolysis Pom Zoo | 86.0 – 89.0 mol% |
| Qhov Chaw Pom Zoo | Chaw tsim khoom (MIXEON) tshwj xeeb rau cov khoom siv hauv kev tsim kho. |
| Cov Ntawv Thov Kev Tsim Kho Tseem Ceeb | Cov tshuaj khib qhuav, cov hmoov qhuav putty, cov khoom gypsum, kev sib txuas pobzeb. |
| Cov txiaj ntsig tseem ceeb hauv Mortar | Ua kom cov cement/lime/gypsum lo rau ntau dua, ua rau nws yooj yim ua haujlwm, qeeb qeeb kom qhuav thiab tiv thaiv kom tsis txhob tawg ntawm qhov chaw. |
Qhov viscosity ntawm polymer ncaj qha hloov pauv tus cwj pwm ntws ntub ntawm cov khoom sib xyaw mortar tshiab. Kev nrhiav koj cov ntaub ntawv los ntawm ib qhotus neeg muag khoom txhim khu kev qhazoo li Tuam Tshoj Tus Neeg Muab Khoom PVA hmoov polyvinyl cawv rau Adhesive / Mortar Construction pab koj ua tiav kev tswj hwm viscosity sib xws hauv txhua pawg. Lub network saw polymer hloov kho kev sib koom ua ke sab hauv tam sim ntawd.
Cov fibers uas yooj ywm (piv txwv li, polypropylene thiab polyvinyl cawv fiber) tuaj yeem ua rau viscosity nce ntxiv los ntawm: (1) qhov deformation ntawm cov fibers thiab kev tsim cov qauv entangle; thiab (2) shear viscosity nce nrog rau qhov nce ntawm qhov yooj ywm ntawm cov fibers uas ua rau lawv nkag mus rau hauv S-puab qauv thiab ntxiv thaiv kev txav mus los ntawm cov khoom me me.
Cov Kev Xyaum Zoo Tshaj Plaws ntawm Kev Sib Xyaws Qhuav thiab Kev Sib Tov
Ua ntej koj ntxiv dej rau hauv cov hmoov sib tov, koj yuav tsum ua kom cov polymer sib xyaw ua ke zoo ib yam. Cov polymers uas tsis sib xyaw ua ke yuav ua rau cov khoom sib sau ua ke, ua rau cov khoom tsis muaj zog, thiab ua rau cov phab ntsa uas ua tiav lawm tsis zoo.
| Kev Sib Tov Theem | Yuav Tsum Ua Dab Tsi | Cov Txiaj Ntsig Txog Kev Txawj Ntse |
|---|---|---|
| Kev Sib Xyaws Ua Ntej ntawm Tus Neeg Nqa Khoom | Ntsuas cov hmoov polymer rau hauv cov feem me me xws li xuab zeb qhuav lossis cov khoom siv zoo. | Cais cov khoom polymer sib npaug zos thoob plaws cov zaub mov zoo. |
| Kev Sib Xyaws Qhuav Tseem Ceeb | Ntxiv cov khoom sib tov ua ntej rau hauv cov khoom sib tov qhuav ua ntej ntxiv dej. | Faib cov khoom xyaw nquag sib npaug thoob plaws hauv cov khoom qhuav. |
| Ntxiv Dej | Sib tov cov hmoov qhuav sib xyaw nrog dej huv rau lub voj voog sib tov luv luv, ruaj khov. | Ua rau cov polymer noo sai sai yam tsis tsim cov pob fiber lossis cov pob resin. |
Kev sib kis kom zoo yuav hloov qhov ua tau zoo ntawm cov cement mortars uas tawv. Kev faib cov fiber sib npaug 2-seem txheej txheej cement sib npaug, ua rau ob qho tib si lub zog flexural thiab lub peev xwm deflection hauv High Ductile Mortar systems. Kev txheej polymer sib npaug ua rau thaj chaw hloov pauv sab hauv muaj zog thiab tiv thaiv kev ntxhov siab hauv zos.
Tuam Tshoj Tus Muag Khoom PVA Hmoov Polyvinyl Cawv rau Kev Siv Nplaum / Mortar
Koj xav tau cov khoom siv raw khoom txhim khu kev qha los tsim cov cementitious mortars. Kev nrhiav cov resin purity siab los ntawm cov chaw tsim khoom uas tau tsim tsa lawm lav qhov ua tau zoo ntawm cov khoom. Shanghai Zoran New Material Co. Ltd muab khoomcov khoom siv polymer zoo tshaj plawsrau koj cov haujlwm tsim kho thoob ntiaj teb.
Kev Txheeb Xyuas Zoo thiab Cov Qauv Kev Huv Si
Koj yuav tsum xyuas kom meej tias cov polymer huv si ua ntej sib tov cov khoom loj. Cov chaw soj nstuam niaj hnub ua qhov kev sim nruj heev hauv qab cov xwm txheej txheem ntawm 20 ° C chav tsev kub thiab 50% av noo.
Koj tuaj yeem paub meej tias cov khoom zoo siv plaub qhov kev ntsuas qhov ceev:
- · Kev Ntsuas Qhov Ceev TseebSiv txoj kev pycnometer rau cov qauv qhuav tag kom tshem tawm cov dej noo cuam tshuam.
- · Kev Ntsuas Qhov Ceev Ntau: Siv txoj kev siv lub raj xa khoom uas muaj qhov ntim ruaj khov los ntsuas qhov ceev ntawm cov hmoov xoob kom pub tau lub raj xa khoom kom raug.
- · Kev Ntsuas Qhov Ceev ntawm Cov Tshuaj: Siv lub ntsuas qhov ceev digital ntawm cov kua dej los ntsuas cov khoom khov hauv lub sijhawm tiag tiag.
- · Cov Cai Kev Ntsuas Txheem: Tswj kev tswj hwm ib puag ncig kom nruj kom lav qhov huv si.
Cov tshuab PLC tsis siv neeg saib xyuas cov khoom tsim tawm hauv Hoobkas raws li daim ntawv pov thawj ISO9001 thiab ISO14001. Koj tau txais Daim Ntawv Pov Thawj Kev Tshawb Fawb uas tau txheeb xyuas nrog txhua qhov kev xa khoom.
Kev Xaiv Qib Rau Cov Qauv Tsim Kho
Koj yuav tsum xaiv cov qib polymer tshwj xeeb raws li koj cov khoom xav tau. Shanghai Zoran New Material Co. Ltd tsim ntau yam qauv resin, suav nrog PVA17-99, PVA26-99, PVA17-88, thiab PVA05-88. Cov qib hydrolyzed ib nrab yaj sai hauv dej txias. Koj tuaj yeem xaiv Tuam Tshoj Tus Neeg Muab KhoomPVA hmoov polyvinyl cawv rauKev Tsim Kho Cov Nplaum / Mortar kom txhawb lub sijhawm qhib thiab lub zog sib txuas hauv cov nplaum pobzeb, cov tsho tiv no skim, thiab cov plag tsev uas nws tus kheej leveled.
Kev Ntseeg Tau ntawm Cov Khoom Siv thiab Kev Yuav Khoom Ntau
Koj tiv thaiv koj lub chaw tsim khoom kom tsis txhob muaj cov khoom tsis txaus los ntawm kev koom tes ncaj qha nrog cov neeg tsim khoom hauv Suav teb. Tuam Tshoj muaj kev ruaj khov ntawm tus nqi vim tias cov vinyl acetate hauv tebchaws muab ntau dua 80% ntawm cov khoom siv raw. Muaj peev xwm tsim khoom loj ua rau muaj kev nthuav dav sai thaum muaj kev thov ntau ntxiv. Qhov nyob ze rau cov chaw nres nkoj xa khoom loj ua kom muaj kev xa khoom sai. Ntxiv mus, koj tuaj yeem tau txais cov kev xaiv ntim khoom yooj ywm xws li 12.5 kg hnab mus rau 1000 kg hnab ntaub loj. Kev tsim cov khoom lag luam hauv zos ntxiv tiv thaiv koj txoj haujlwm tiv thaiv kev thauj khoom hauv dej hiav txwv qeeb.
Cov hmoov polyvinyl cawv muab kev nplaum zoo, kev ywj pheej, thiab kev tswj cov dej noo rau koj cov khoom siv mortar ua haujlwm siab. Koj ua tiav lub zog tensile zoo dua thiab kev ua haujlwm ntev hauv txhua qhov sib xyaw cementitious. Kev nrhiav cov resin purity siab los ntawm Tuam Tshoj tus neeg muag khoom ntseeg siab PVA hmoov polyvinyl cawv rau Adhesive / Mortar Construction pab koj tswj tau qhov zoo sib xws thaum ua kom zoo dua cov nqi khoom siv.
Cov Lus Nug Feem Ntau
Qib hydrolysis twg ua haujlwm zoo tshaj plaws rau cov mortar sib xyaw qhuav?
Koj yuav tsum xaiv cov qib PVA uas tau hydrolyzed ib nrab nrog 86% txog 89% hydrolysis. Cov qib no yaj sai sai hauv dej txias thiab txhim kho kev nplaum tag nrho sai sai.
Cov hmoov PVA tiv thaiv kev tawg ntawm cov phab ntsa putts thiab renders li cas?
PVA tsim ib daim yas polymer uas yoog tau thaum lub sijhawm kho. Lub network no txuas ntxiv mus txuas cov kab nrib pleb me me, nqus cov kev ntxhov siab ntawm kev ntsws, thiab ua kom cov dej noo nyob hauv cov mortar tshiab.
Vim li cas koj thiaj yuav tsum nrhiav PVA hmoov los ntawm Shanghai Zoran New Material Co. Ltd?
Shanghai Zoran Cov Khoom Siv Tshiabmuaj cov qib PVA uas tau ntawv pov thawj ISO, muaj cov khoom huv si zoo li PVA17-88 thiab PVA24-88. Koj tau txais cov khoom zoo, kev tswj cov viscosity ruaj khov, thiab kev xa khoom ntau.
Lub sijhawm tshaj tawm: Lub Yim Hli-13-2026