1. Ihe eji eme ihe
1.1 Ihe-Bakelite
Aha kemịkalụ Bakelite bụ plastik phenolic, nke bụ ụdị plastik mbụ a ga-etinye na mmepụta ụlọ ọrụ.Ọ nwere ike ọrụ dị elu, mkpuchi dị mma, nkwụsị ọkụ na nkwụsị nke corrosion, n'ihi ya, a na-ejikarị ya eme ihe na-emepụta ihe eletrik, dị ka ihe ọkụ ọkụ, ihe nkwụnye ọkụ, ntị ntị, mkpuchi ekwentị, mkpuchi ngwá ọrụ, wdg.Ọbịbịa ya bara nnukwu uru maka mmepe ụlọ ọrụ.
1.2 usoro Bakelite
Enwere ike ịme ogige phenolic na aldehyde ka ọ bụrụ resin phenolic site na mmeghachi omume condensation n'okpuru ọrụ nke acidic ma ọ bụ ihe na-akpata isi.Gwakọta resin phenolic na ntụ ntụ sawn, talcum ntụ ntụ (filler), urotropine (onye na-agwọ ọrịa), stearic acid (lubricant), pigmenti, wdg, na ikpo ọkụ na mixer na mixer iji nweta ntụ ntụ Bakelite.A na-ekpo ọkụ na ntụ ntụ bakelite n'ime ihe ebu iji nweta ngwaahịa plastik phenolic na-ekpo ọkụ.
2.Njirimara nke bakelite
Ihe e ji mara bakelite bụ ndị na-adịghị amị mkpụrụ, ndị na-adịghị eme ihe, okpomọkụ dị elu na ike dị elu.A na-ejikarị ya na ngwa eletriki, ya mere a na-akpọ ya "bakelite".A na-eme Bakelite nke ntụ ntụ phenolic resin, nke a na-agwakọta ya na sawdust, asbestos ma ọ bụ Taoshi, wee tinye ya n'ụdị na okpomọkụ dị elu.N'ime ha, resin phenolic bụ resin synthetic nke mbụ n'ụwa.
Plastic Phenolic (bakelite): elu ya siri ike, kenkuwa na adịghị ike.Enwere ụda osisi mgbe a na-akụ aka.Ọ na-abụkarị opaque na ọchịchịrị (aja aja ma ọ bụ oji).Ọ dịghị nro na mmiri ọkụ.Ọ bụ ihe mkpuchi, na isi ihe mejupụtara ya bụ resin phenolic.
Oge nzipu: Jul-13-2021