Ib lub polymer, uas dhau mus txuas txuas txuas ntxiv thaum cua sov, tsis tuaj yeem yaj dua thiab dua yam tsis muaj kev hloov pauv. … Ua tiav cov lus teb: Bakelite tseem hu ua phenol formaldehyde resin.
YPuas yog Bakelite thermoplastic lossis thermoset?
Novolac ntawm cua sov nrog HCHO tau hla kev sib txuas los tsim cov khoom siv tsis tau hu ua bakelite. Bakelite yog ib qho piv txwv ntawm thermosetting yas.
YPuas yog Bakelite thermoplastic polymer?
Bakelite yog ua ntej ua tiav cov khoom siv thermoplastic.
Cov thermoplastic txawv ntawm Bakelite li cas?
Thermoplastics: Cov no yog cov yas uas tau deformed yooj yim ntawm cua sov thiab tuaj yeem khoov tau yooj yim. … Thermosetting plastics: Cov no yog cov yas uas thaum molded ib zaug, tsis tuaj yeem mos los ntawm cua sov. Piv txwv li: Bakelite thiab Melamine. Bakelite yog ib tug tsis zoo conductor ntawm tshav kub thiab lub teeb.
Qhov twg ntawm ob yog thermosetting yas lossis Bakelite?
PVC (polyvinyl chloride) yog cov thermoplastic thiab siv los ua cov khoom ua si, chappals, thiab lwm yam. Bakelite yog cov yas thermosetting thiab yog siv los ua hluav taws xob hloov hluav taws xob, tes ntawm ntau yam khoom siv, thiab lwm yam.
