Video: Dab tsi yog cov khoom xyaw ntawm PVA kua nplaum?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Synthetic " kua nplaum "los yog cov nplaum feem ntau yog ua los ntawm kev sib xyaw ntawm polyvinyl acetate ( PVA ), dej, ethanol, acetone thiab lwm yam khoom. Dej yog siv los hloov kho cov kua nplaum sib xws; lwm yam cov khoom xyaw tswj therate ntawm uas kua nplaum qhuav tawm.
Tsis tas li ntawd, PVA kua nplaum yog dab tsi?
Poly (vinyl acetate) PVA , PVAc, poly (ethenylethanoate): zoo tshaj plaws hu ua ntoo kua nplaum , dawb kua nplaum , tus kws ntoo kua nplaum , tsev kawm ntawv kua nplaum , Elmer cov kua nplaum hauv US, los yog PVA kua nplaum ) yog aliphatic rubbery syntheticpolymer nrog cov qauv (C4H6O2) . Nws belongs rau tsev neeg polyvinyl ester, nrog rau cov qauv dav dav-[RCOOCHCH2]-.
Ib yam li ntawd, PVA kua nplaum txhais li cas? polyvinyl acetate n. (Elements & Compounds) ib qho xim tsis muaj ntxhiab tsw qab ntxiag siv rau hauv cov xim emulsion, nplaum, sealers, asubstitute rau chicle hauv zom cov pos hniav, thiab rau sealing poroussurfaces. Cov ntawv luv: PVA.
Tsis tas li, cov khoom hauv tsev twg muaj PVA hauv lawv?
Ib txwm slime xav tau PVA kua nplaum (saib hauv cov khoom xyaw kom paub tias nws muaj PVA ) thiab activator, uas tuaj yeem ua ntau yam sib txawv yam.
Los ntawm cov zaub mov no, qee yam khoom siv hauv tsev los ua slime kuj suav nrog:
- Borax.
- Elmer's Glue.
- Baking soda.
- shaving cream.
- Saline daws (rau qhov muag)
- Xim zaub mov.
- Glitter.
- Qhov muag poob.
PVA kua nplaum zoo li cas?
Nov yog qhov Woodwork Basics hais txog PVA : Lawv tuaj yeem nkag mus rau lub sijhawm tab sis kev sib koom ua ke nruj pab tiv thaiv qhov ntawd. Vim nws ntau zoo heev nta PolyvinylAcetate yog qhov zoo heev rau kev sib koom ua ke ntawm cov ntoo ua ke los yog ua cov khoom siv ntoo thiab cov nplaum nplaum.
Pom zoo:
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