Polyvinyl Alcohol

Fa'amatalaga Puupuu:

O le Polyvinyl alcohol o se mea fa'aola, o le fua fa'a-kemikolo o le [C2H4O]n, o le foliga mai o le pa'epa'e pa'epa'e, fa'ato'aga po'o le pauta malosi, leai se manogi. Soluble i le vai (i luga aʻe o le 95 ℃), laʻititi soluble i le dimethyl sulfoxide, le mafai ona solu i le penisini, kerosene, suauʻu fualaau faisua, benzene, toluene, dichloroethane, carbon tetrachloride, acetone, ethyl acetate, methanol, ethylene glycol, ma isi. vailaʻau mataʻutia o loʻo faʻaaogaina i le gaosiga o polyvinyl acetals, paipa e teteʻe i le penisini ma vinylans, vailaʻau togafitiga ie, emulsifiers, paʻu pepa, faʻapipiʻi, kelu, ma isi.

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Fa'amatalaga Oloa

Faailoga o oloa

Fa'amatalaga o oloa

Cyclopentanone, o se vailaʻau faʻalaʻau, fualaʻau vailaʻau C5H8O, vai e leai se lanu, e le mafai ona solu i le vai, soluble i le ethanol, eter, acetone ma isi solvents organic, e masani ona faʻaaogaina e fai ma vailaʻau, mea faʻaola, vailaau faʻasaina ma mea faʻapipiʻi paʻu.

Meatotino

Fuafuaga		C2H4O
CAS NO		9002-89-5
foliga vaaia		Pa'epa'e po'o kulimi malo
mafiafia		0.8±0.1 g/cm3
mea fa'apuna		23.5±13.0 °C ile 760 mmHg
fa'ailoga moli		-28.3±12.8 °C
afifiina		Pa'u
Teuina		Teu i totonu o se nofoaga malulu, malulu, matutu, vavae ese mai le puna afi, utaina ma la'u ese o felauaiga e tatau ona teuina e tusa ai ma aiaiga o vailaau oona e mu