Cawv (pva) 17-99 (l)
Lwm Lub Npe: PVA
Mis: [C2h4o] N
CAS: 9002-89-5
Einecs: 209-183-3
Melting taw tes: 230 ---- 240 degree
Dej solubility: soluble
Zog: Dawb Flake, Flocculent lossis Powdery Cov Khoom
Nyem taw tes: 79 degree
Daim Ntawv Thov: Cov nplaum, Emulsifiers, Dispersants, thiab lwm yam
Kev qhia tshwj xeeb
| Cawv | 99.0-99.9% |
| Sodium acetate | 2.5% Max |
| Ywj pheej | 5% Max |
| Txhos | {{0 {}}. 7% Max |
| PH nqi | 5 -7 |
| Viscosity | 22. {{{0 -30. {0 mpa.s |
Pob: Hauv cov ntawv hnab ntawm 25 kg Net nrog yas ob sab hauv lossis 800 kg lub hnab loj ntawm pallets net txhua.
Daim ntawv thov thiab cov lus piav qhia ntawm PVA hauv cov teb sib txawv
1. Textile kev lag luam
Hauv kev lag luam textile, PVA yog feem ntau siv los ua tus sizing tus neeg sawv cev los txhim kho lub hardness thiab hnav tsis kam ntawm cov ntaub. Slurry ua si lub luag haujlwm tseem ceeb hauv cov txheej txheem textile, ua rau cov txheej txheem kev tsim khoom smoother, thiab txhim kho qhov zoo ntawm cov ntaub.
PVA tau dhau los ua qhov tseem ceeb hauv textile pulp vim nws cov yeeb yaj kiab zoo tshaj plaws thiab cov nplaum.
2.Cov kev lag luam:
Hauv kev ua liaj ua teb architecture, PVA yog dav siv ua cov nplaum lossis txheej sib xyaw ua ke. Raws li cov nplaum, PVA tuaj yeem pab txhawb kom lub zog ntawm tsev xws li pob zeb ua vaj tse thiab gypsum board, thiab txhim kho kev ruaj ntseg ntawm lub tsev. Tsis tas li ntawd, PVA tseem siv rau ntau lawm ntawm ntau cov ntaub ntawv hauv tsev xws li cov khoom sib xyaw ua ke thiab cov koom ua ke kom txhim kho kev ua haujlwm zoo thiab ua haujlwm zoo.
Hauv kev tsim kho kev tsim kho, PVA kuj yog siv los ua cov khoom siv hluav taws xob ntau. PVA tuaj yeem txhim kho kev tiv thaiv dej ntawm cov phab ntsa, tiv thaiv teeb meem xws li cov hluav taws xob tawg thiab pwm los ntawm dej tsis muaj dej. Qhov kev sib txuas ntawm PVA fibers tseem tuaj yeem txhim kho lub wangeabilability thiab lub sijhawm siav ntawm kev tsim kho thiab ua tau zoo.
3. Kev lag luam uas yog tau
Hauv kev lag luam ntawv, PVA, raws li ib tug nto sizment tus neeg sawv cev thiab cov pinder, tuaj yeem txhim kho lub zog, du, thiab luam tawm kom raug cov ntawv. PVA muaj cov yeeb yaj kiab zoo-tsim thiab muaj zog ua lub zog, thiab tshuaj lom neeg ua haujlwm, thiab txo cov nqi ntau lawm.
4.Thuaj kev lag luam thiab tshuaj pleev ib ce
Nyob rau hauv cov liaj teb ntawm cov tshuaj thiab cov tshuaj pleev ib ce, PVA yog tsuas yog siv ua zaj duab xis-ua tus neeg sawv cev lossis tuab dua. Nws cov khoom ua yeeb yaj kiab zoo ua rau PVA cov khoom siv zoo tagnrho rau kev saib xyuas lub ntsej muag, kev saib xyuas tawv nqaij thiab lwm yam khoom. Nyob rau tib lub sijhawm, cov cuab yeej thickening ntawm PVA kuj tseem pab txhim kho kev ntxhib los mos thiab muaj kev ruaj ntseg ntawm cov tshuaj pleev ib ce, txhim kho cov khoom siv cov neeg siv thiab ua haujlwm zoo.
Hauv cov ntsiab lus, PVA, raws li ib qho tseem ceeb organic compound, tau qhia dav cov kev cia siab hauv ntau thaj chaw, tsim kho, papermaking, thiab kws tshuaj thiab tshuaj pleev ib ce. Nrog kev nce qib nruam ntawm kev siv tshuab thiab kev siv nce ntxiv rau kev tiv thaiv ib puag ncig thiab kev nyab xeeb, daim ntawv thov ntawm PVA yuav txuas ntxiv mus nthuav dav thiab tob.
Cim npe nrov: Cawv (pva) 17-99 (l), Suav teb polyvinyl cawv (L) manufacturers, cov chaw muag khoom, Hoobkas
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