Okwu Mmalite: usoro na-emepụta ihe nkengwaahịa plastikNke kachasị gụnyere usoro igodo anọ: Mulds na-akpụzi, ọgwụgwọ, mbipụta na Mgbakọ. Ọgwụgwọ elu bụ akụkụ dị mkpa. Iji meziwanye ike nke mkpuchi ma nye ezigbo ezigbo ntọala maka ịkpọlite, usoro ọgwụgwọ a na-eme ka ọ dị njọ.
Elu nke ngwaahịa plastik
Tumadi bu usoro ọgwụgwọ na inye ihe. N'ozuzu, plastics nwere nnukwu obere kristal, obere polarity ma ọ bụ enweghị polarity, ike dị ala, nke ga-emetụta nracha nke mkpuchi. Ebe ọ bụ na plastik bụ onye na-abụghị onye na-abụghị onye na-abụghị onye na-abụghị onye na-abụghị onye na-abụghị onye na-eme ihe nkiri, enweghị ike ịkọwa ya n'elu mbara plastik dị ka nkọwapụta usoro Electroption usoro. Ya mere, tupu usoro ọgwụgwọ dị mkpa, ọ dị mkpa iji mee ka ike nke mkpuchi ma nyekwa gị ike na-eduzi ya nke ọma site na ezigbo ike.
Forrearement nke mkpuchi
Pretivement na-agụnye elu nke rọba n'elu, ntụgharị na-asacha mmanụ ma wepụta ọrụ na elu, ma na-arụ ọrụ elu, iji meziwanye ndọtị nke mkpuchi.
1, ngụka
Ike nkengwaahịa plastik. Nke a bụ nke na-agbadata ngwaahịa ọla, enwere ike ịme ngwaahịa plastik site na nhicha ahụ soonic na-acha uhie uhie na ngwọta osisi a na-edozi ahụ. Ibelata na sosganic sojic dị mma maka nhicha paraffin, beeswax, abụba na unyi ndị ọzọ sitere na rọba. Ihe mgbochi osisi ahụ agaghị agbaze, zaa ma ọ bụ gbawaa plastic, ọ nwere obere esi, na-agbanwe, na-enweghị ihe na-adịghị mma, na-abụghị ihe na-adịghị egbu egbu. Ihe ngwọta alkaline a dị mma maka plastics alkali na-eguzogide. Ihe ngwọta nwere caustic soda, nnu nnu na ala dị iche iche. Otutu ihe ndi a na-ejikarị bụ usoro OP, ntụgharị alkylphenol polyoxyethylene ether, nke na-adịghị anọgide na mbara igwe.
2, elu mmelite
Nke a na-arụ ọrụ bụ imeziwanye ihe nke plastik nke ọma, ya bụ, iji mepụta ụfọdụ polar dị na mbara igwe ma ọ bụ gbagwojuru ya anya na mkpuchi ahụ na-adịrị na-agbado elu n'elu nke workpied. Enwere ọtụtụ ụzọ maka ọgwụgwọ dị elu, dị ka kemịkalụ kemịkalụ, ọkụ na-enwu enwu, na-egbu egbu vapor etcheri na corona ịhapụ oxidation. Otutu ihe eji eme ihe bu ihe eji eme ihe n'egwuregwu mmiri, nke na - ejikarị chromium ọgwụ mmiri, na 80% potassium na sulfuric acid (karịa 96%).
Prostsfọdụ ngwaahịa rọba, dị ka polystyrene na plastics na-acha odo odo, nwere ike ịbụ mkpuchi ozugbo na-enweghị ọgwụgwọ ọpụpụ kemịkalụ. Iji nweta ụdị mkpuchi dị elu, a na-ejikwa ọgwụgwọ kemịkal. Dịka ọmụmaatụ, mgbe emesiri ya, Ask plastik nwere ike itched nwere ụdị ejiji chrim acid. Usoro ọgwụgwọ ọgwụgwọ ya bụ 420G / l chromic acid na 200ml / l sulfuric acid (dị iche iche 1.83). Usoro ọgwụgwọ a na-ahụkarị bụ 65 ℃ 70 ℃ / 5Min10min, mmiri ịsa mmiri, na nkụ. Uru nke etching na chromic acid acid mmiri bụ na n'agbanyeghi ụdị ngwaahịa rọba dị mgbagwoju anya, enwere ike ịgwọ ya. Ọdịmma a bụ na ọrụ ahụ dị ize ndụ ma nwee nsogbu mmetọ.
A ga-eji ihe mkpuchi
Ebumnuche nke ihe mkpuchi mkpuchi bụ iji melite ndọnye nke mkpuchi ahụ n'elu elu rọba na iji mepụta oyi akwa na-eduzi ala. Usoro usoro ihe atụ na-agụnye: Usoro ihe eji arụ ọrụ, ngụkọta kemịkalụ, kemịkal, ọgwụgwọ, ọgwụgwọ, mbelata na mmiri kemịkalụ. Ihe atọ mbụ bụ iji meziwanye ndọpụta nke mkpuchi, na ihe anọ ikpeazụ ga-etolite ala ala na-eduzi.
1, nke na-arụ ọrụ na kemịkal
Usoro ọgwụgwọ na kemịkal na-emepụta ihe bụ ime ka rọba rọba site na usoro nke usoro na usoro kemịkal n'otu n'otu iji mee ka kọntaktị mpaghara na mkpụrụ. A na-ekwere na ike nke na-eme nke ọma nke enwere ike nweta ya site na arụmọrụ siri ike bụ naanị ihe dị ka 10% nke kemịkal nke kemịkal.
2, ngụkọta kemịkalụ
Thezọ mmezi ahụ maka Frativebọchị mkpuchi nke igwe plastik bụ otu ihe ahụ dị ka mmezi maka pretrerement nke mkpuchi.
3, mmetụta
Mmetụta uche bụ ka Admirb ụfọdụ dị mfe oxidize bekee, dị ka tin dichloride, titanium trichloride, wdg, n'elu oke plastik na ikike ụfọdụ mgbasa ozi. A na-eme ka ihe ndị a dị mfe na-agbasa ozi na-arụ ọrụ na-arụ ọrụ n'oge a na-ahọpụta ihe, na onye na-ahụ maka ọgwụ na-ebelata ka ọ na-enweta kristal nuclei ma na-adịgide n'elu ngwaahịa a. Ọrụ nke ịdị mma bụ ịtọ ntọala maka ịkọwapụta ihe na-enye oyi Mealige.
4, ịgba ọrụ
Action ga-arụ ọrụ bụ iji gwọọ elu elu na enyemaka nke ihe ngwọta nke ogige arụ ọrụ. Ihe dị oke mkpa bụ na-eme ka ihe ndị a na-agbagharị ngwaahịa na-ebelata na ngwọta n'ogologo na-ebelata nke ọma, nke mere na a na-ebelata ọla dị oke ọnụ ahịa na elu nke ngwaahịa ahụ n'ụdị ihe ndị na-arịa ya, nke nwere ọrụ siri ike. Mgbe a na-emikpu elu a na kemịkal dị mkpa na-apụtaghị ìhè, irighiri ihe ndị a na-aghọ ebe nchekwa, nke na-eme ka mmeghachi omume nke ihe atụ kemịkalụ.
5, usoro ndozi
Tupu oyi kemịkalụ, ngwaahịa ndị a na-arụ ọrụ ma jiri mmiri dị ọcha sachaa ya n'otu ndọtị nke na-ebelata ihe eji eme ihe eji belata ma wepu onye na-achọghị. A na-akpọ nke a. Mgbe a na-eji ọla kọpa na kemịkalụ mee ihe maka ọgwụgwọ, yana mgbe kemịkal Nickel, a na-eji usoro mbelata.
6, ihe atụ kemịkalụ
Ebum n'uche kemịkalụ bụ imepụta ihe nkiri metal n'elu ngwaahịa plastik iji mepụta ọnọdụ maka electroplating oyi akwa nke ngwaahịa rọba. Ya mere, ihe ngosi kemịkal bụ ihe dị mkpa na electropling plastik.
Oge post: Jun-13-2024