1. Lisebelisoa tse tala
1.1 Material-Bakelite
Lebitso la lik'hemik'hale la Bakelite ke polasetiki ea phenolic, e leng mofuta oa pele oa polasetiki o lokelang ho kenngoa tlhahisong ea indasteri.E na le matla a phahameng a mechine, ho kenya letsoho hantle, ho hanyetsa mocheso le ho hanyetsa ho bola, kahoo hangata e sebelisoa ha ho etsoa lisebelisoa tsa motlakase, tse kang li-switches, li-lamp holders, li-earphone, li-casing tsa thelefono, li-casings tsa lisebelisoa, joalo-joalo.Ho fihla ha eona ho bohlokoa haholo ntlafatsong ea indasteri.
1.2 Mokhoa oa Bakelite
Metsoako ea phenolic le aldehyde e ka etsoa hore e be phenolic resin ka karabelo ea condensation tlasa ts'ebetso ea acidic kapa catalyst ea mantlha.Kopanya resin ea phenolic le phofo ea patsi e sahiloeng, talcum powder (filler), urotropine (phekola), stearic acid (lubricant), pigment, joalo-joalo, le mocheso le ho kopanya ka motsoako ho fumana phofo ea Bakelite.Phofo ea bakelite e futhumatsoa 'me e hatelloa ka har'a hlobo ho fumana sehlahisoa sa polasetiki sa thermosetting phenolic.
2.Litšobotsi tsa bakelite
Litšobotsi tsa bakelite ha li monye, ha li na conductive, ho hanyetsa mocheso o phahameng le matla a phahameng.Hangata e sebelisoa lisebelisoa tsa motlakase, kahoo e bitsoa "bakelite".Bakelite e entsoe ka phofo ea phenolic resin, e kopantsoeng le sawdust, asbestos kapa Taoshi, ebe e hatelloa ka hlobo ka mocheso o phahameng.Har'a tsona, resin ea phenolic ke resin ea pele ea maiketsetso lefatšeng.
Phenolic polasetiki (bakelite): bokaholimo bo thata, bo robehile ebile boa senyeha.Ho utloahala molumo oa lehong ha motho a kokota.Haholo-holo e opaque ebile e lefifi (e sootho kapa e ntšo).Ha e bonolo metsing a chesang.Ke insulator, 'me karolo ea eona ea mantlha ke resin ea phenolic.
Nako ea poso: Jul-13-2021