Waipiro Polyvinyl

Whakaahuatanga Poto:

Ko te waipiro polyvinyl he puhui waro, ko te tauira matū he [C2H4O]n, ko te ahua he papura ma, he kakano, he paura totoka ranei, kaore he kakara. Wairewa i roto i te wai (i runga ake i te 95 ℃), paku wairewa i roto i te dimethyl sulfoxide, insoluble i roto i te penehīni, kerosene, hinu huawhenua, benzene, toluene, dichloroethane, carbon tetrachloride, acetone, ethyl acetate, methanol, ethylene glycol, etc. He mea nui te waipiro Polyvinyl. matū rauemi mata whakamahia i roto i te hanga o polyvinyl acetals, penehīni-ātete putorino me vinylans, āpiha maimoatanga papanga, emulsifiers, paninga pepa, adhesives, glues, etc.

Tukuna he imeera ki a matou

Taipitopito Hua

Tohu Hua

Whakaahuatanga Hua

Ko te Cyclopentanone, he puhui pararopi, tauira matū C5H8O, wai kore tae, e kore e rewa i te wai, e rewa i roto i te waiwaro, ether, acetone me etahi atu whakarewa pararopi, te nuinga ka whakamahia hei raau taero, hua koiora, pesticides me nga takawaenga rapa waihanga.

Āhuatanga

Tātai		C2H4O
CAS NO		9002-89-5
ahua		Maama, kirīmi mārō rānei
kiato		0.8±0.1 g/cm3
wāhi koropupu		23.5±13.0 °C i te 760 mmHg
flash(ing) point		-28.3±12.8 °C
tākainga		Paoro
Rokiroki		Whakaorangia ki te waahi makariri, hau, maroke, wehe mai i te puna ahi, te utaina me te tango i nga waka me pupuri kia rite ki nga tikanga o nga matū paitini muramura