Polyvinyl Alcohol
Soo saare: Ururka ONLF ayaa
PVA wuxuu leeyahay sifooyin badan oo gaar ah sida milmi biyaha, hantida fiber-sameynta, adhesiveness, hantida film-sameynta, xasiloonida emulsion, xasiloonida kala firidhsan, caabiga saliid, acid, iyo alkali, falcelin kiimikada, biodegradability, iyo sidoo kale meltability (ama thermoplasticity) iyo guryaha badan oo gaar ah oo gaar ah iyada oo loo marayo modification.PVA waxaa si balaadhan looga isticmaalaa in warshado badan sida dharka, papermaking, dhismaha, kiimikooyinka, daabacaadda, baakadaha, daawooyinka, saabuunta dharka & isku qurxiyo, beeraha, dhoobada, bir & steel, korantada, electrolysis, electroplating, iyo iwm
Codsiga:
PVA, taas oo u fiican ee ilaalinta Colloid oo uu leeyahay hawlaha dusha ka xoogbadan, waxaa badanaa loo isticmaalaa sida stabilizer firidhsan for polymerization ganaax of monomer chloride vinylalkohol (VCM). waxqabadka cusbi PVC waxaa si weyn filaayo in karaa by xulashada ah fasalka PVA ku haboon la degree habboon ee polymerization iyo hydrolysis.
Emulsion stabilizer & gal
PVA la ballaaran loo isticmaali karaa sida Colloid ilaaliya ama thickener for polymerization emulsion ee copolymer vinylalkohol (VAc) ama VAc / acrylate ah. leedahay sifooyinka soo socda: adhesiveness u wanaagsan; kordhiyay heerka maankiisa iyo qallajinta hore halka isticmaalo filler, iska caabin aad u fiican in oiloutstanding xoog film, raagaya iyo qaab deggan.
been fiber
Laba codsiyada muhiim ah oo PVA waa in la isticmaalaa sida feedstock vinylon iyo wakiilka qiimaynta for textile.As wax cayriin ee fiber vinylon, ayaa faa'iidooyinka isagoo sare xoog, nuugista qoyaan, iska caabin abrasion, iska caabin ah iftiinka qoraxda, iska caabin ah daxalka iyo caddaan in midabka. Waxa kale oo la miiqeen karaa suuf, dhogor idaad iyo fiber viscose ama la sifaynayo ku miiqeen dun itself.As qiimaynta wakiilka for dhar, Ma Burburiyaan doonaa ama xumaato la Amda wanaagsan in suufka, hemp, caag, fiber viscose.
Filim
PVA waxaa loo isticmaali karaa si loo soo saaro biyaha film L iyo film biyo-caabin ah. PVA waxaa laga heli karaa waxyaabaha la aasaasay oo ku muujiyo muuqaalada aasaasiga ah PVA, kuwaas oo, xoog siligga sare, caabiga dareeraha organic iyo tightness.They hawada ayaa labadoodaba si ballaaran loo adeegsado warshadaha baakada, ma aha oo kaliya, waayo, dhar, laakiin sidoo kale kiimikada, cuntada, kiimikada maalin kasta, kiimikada beeraha, dyestuff, iyo iwm
Saxarka & Paper
PVA ayaa helay isticmaalka ballaaran ee daaweynta ee dusha warqad sida ay leedahay adhesiveness fiican iyo dispersibility iyo ma saamayn doonto hantida galalka kale lagu daro. Faa'iidooyinka PVA la isticmaalayo, Xoog oogada (printability); Xoog weheliyaan Z-dhidibka (warqad xoog gudaha), iska caabin ah oo laabma, iska caabin sugi lahaayeen, macaanaa soo hagaagaya, glossiness dusha hagaagaya, kor caabiga saliid iyo dareeraha (hantida caqabad).
PVA Fasalada & sooc
Cusub magaca |
Hydrolysis (Mol%) |
Volatiles (%) |
nafwaayay (Mpa.s) |
Dambaska (WT%) |
Qiimaha PH |
khayroon daahirnimo (WT%) |
088-03 |
87,0 - 89,0 |
≤5.0 |
3.0-4.0 |
0.7 |
5-7 |
.09.0.0 |
088-04 |
87,0 - 89,0 |
≤5.0 |
4.0-4.5 |
0.7 |
5-7 |
.09.0.0 |
098-04 |
98.0-98.8 |
≤5.0 |
4.0-5.0 |
≤0.5 |
5-7 |
≥93.5 |
088-05 |
87,0 - 89,0 |
≤5.0 |
4.5-6.0 |
≤0.5 |
5-7 |
≥93.5 |
098-05 |
98.0-99.0 |
≤5.0 |
5.0-6.5 |
≤0.5 |
5-7 |
≥93.5 |
098-10 |
97.0-99.0 |
≤5.0 |
8.0-12.0 |
≤0.5 |
5-7 |
≥93.5 |
088-13 |
87,0 - 89,0 |
≤5.0 |
12.0-14.0 |
≤0.5 |
5-7 |
≥93.5 |
098-15 |
98,0 -99,0 |
≤5.0 |
13.0-17.0 |
≤0.5 |
5-7 |
≥93.5 |
093-16 |
92.5-94.5 |
≤5.0 |
14.5-18.5 |
≤0.5 |
5-7 |
≥93.5 |
098-20 |
98.0-99.0 |
≤5.0 |
18.0-22.0 |
≤0.5 |
5-7 |
≥93.5 |
088-20 |
87,0 - 89,0 |
≤5.0 |
20.5-24.5 |
≤0.4 |
5-7 |
≥93.5 |
092-20 |
91.0-93.0 |
≤5.0 |
21.0-27.0 |
≤0.5 |
5-7 |
≥93.5 |
096-27 |
96.0-98.0 |
≤5.0 |
23.0-29.0 |
≤0.5 |
5-7 |
≥93.5 |
098-27 |
98,0 - 99,0 |
≤5.0 |
23.0-29.0 |
≤0.5 |
5-7 |
≥93.5 |
088-26 |
87,0 - 89,0 |
≤5.0 |
24.0-28.0 |
≤0.5 |
5-7 |
≥93.5 |
095-28 |
94.0-96.0 |
≤5.0 |
26.0-30.0 |
≤0.5 |
5-7 |
≥93.5 |
098-30 |
98,0 - 99,0 |
≤5.0 |
28.0-32.0 |
≤0.5 |
5-7 |
≥93.5 |
088-35 |
87,0 - 89,0 |
≤5.0 |
29.0-34.0 |
.30.3 |
5-7 |
≥93.5 |
088-50 |
87,0 - 89,0 |
≤5.0 |
45.0-55.0 |
.30.3 |
5-7 |
≥93.5 |
097-60 |
96.0-98.0 |
≤5.0 |
56.0-66.0 |
≤0.5 |
5-7 |
≥93.5 |
098-60 |
98,0 - 99,0 |
≤5.0 |
58.0-68.0 |
≤0.5 |
5-7 |
≥93.5 |
097-70 |
96,0 - 98,0 |
≤5.0 |
66.0-76.0 |
≤0.5 |
5-7 |
≥93.5 |
098-75 | 98,0 - 99,0 |
≤5.0 |
70.0-80.0 |
≤0.5 |
5-7 |
≥93.5 |