1. Menene yawan roba? Menene wannan wasan yake a farfajiya?
A cikin aiwatar da aiki, ajiya da amfani da roba da samfuran sa, saboda abubuwan da ke ciki da kayan masarufi da na ciki a hankali suna lalata, kuma a ƙarshe rasa amfanin amfani da ƙimar. Ana kiran wannan canjin roba. A farfajiya, an bayyana shi azaman fasa, aɓaɓɓe, hardening, laushi, chlingking, difking, da girma girma.
2. Menene abubuwan da suka shafi tsufa na roba?
Abubuwan da ke haifar da tsufa na roba sune:
(A) oxygen da oxygen a cikin roba sarkar hakkin tare da kwayoyin sarkar, da sarkar kwayoyin halitta, sakamakon canje-canje a cikin kaddarorin roba. Rashin daidaituwa yana ɗayan mahimman dalilai na tsufa.
(b) Ayyukan sunadarai na ozone da kuma ozone ya fi na oxygen sama da na oxygen, kuma ya fi lalata. Hakanan ya karya sarkar kwayoyin, amma sakamakon ozone a kan roba ya bambanta da ko roba ta lalace ko a'a. A lokacin da aka yi amfani da shi akan roba mai narkewa (goba galibi), fasa poundpidenciular zuwa ga shugabanci na aikin ya bayyana, wato abin da ake kira "ozone crack"; Lokacin da aka yi amfani da shi akan roba mai narkewa, kawai an kafa fim ɗin oxoke a farfajiya ba tare da fatattaka ba.
(c) zafi: Daukaka yawan zafin jiki na iya haifar da ƙwayar rana ko tsinkaye na roba. Amma ainihin tasirin zafi yana kunnawa. Inganta yawan oxygen kuma kunna amsar abu daban-daban, don haka ya hanzarta yawan iskar shaka da iskar shaka, wacce tsufa tsufa - tsufa.
(d) Haske: Shakaita hasken haske, mafi girma ƙarfin. Lalacewa ga roba shine haskoki na ultraviolet tare da mafi girman kuzari. Baya ga kai tsaye haifar da hadewar sarkar kwayoyin, haskoki na rassan, wanda ke farawa kuma yana hanzarta sarkar iskar shayewar iskar shayewar iskar shayewar iskar shayewar iskar shaye-shaye. Haske na Ultraviolet yana aiki kamar dumama. Wani halayyar hakkin aiki (daban daga zafin rana) shine cewa yafi yuwu a saman roba. Don samfurori tare da abun ciki mai tsayayye, za a sami fasahar cibiyar sadarwa a ɓangarorin biyu, wato, abin da ake kira "nazarin katako na waje".
(e) damuwa na inji: karkashin maimaita aikin damuwa na inji, wanda kwararar kwayar cuta za ta karye don samar da tsattsauran iskar shaye shaye, wanda zai haifar da tsari na iskar shaye-shaye kuma kuma samar da tsari na hazaka. Ilimin inji da sarkar kwayoyin halitta da kayan aikin kayan shaye-shaye na hadawa. Wanne ne babba ya dogara da yanayin da aka sanya shi. Bugu da kari, yana da sauki a haifar da fashewar ozone a karkashin aikin damuwa.
(F) Danshi: tasirin danshi yana da fannoni biyu: roba yana cikin sauƙin lalacewa yayin da aka fallasa ruwa a cikin iska ko nutsar da ruwa. Wannan saboda abubuwa masu narkewa da abubuwan da ruwa mai narkewa a cikin roba ana fitar da su kuma an narkar da ta ruwa. Ya haifar da hydrolysis ko sha. Musamman a karkashin madadin aikin nutsewa da kuma bayyanar ruwa da kuma yanayin motsa jiki, lalata roba zai kara. Amma a wasu lokuta, danshi baya lalata roba, har ma yana da tasirin jinkirta tsufa.
(G) Wasu: Akwai kafofin watsa labarai na sumber, high-makamashi mai ƙarfi, wutar lantarki da ilmin halitta, da sauransu, wanda sauransu ke shafar roba.
3. Meye nau'ikan hanyoyin gwajin tsufa na roba?
Za a iya raba kashi biyu:
(a) hanyar gwajin tsufa na halitta. Ana kara raba tattalin tsufa tsufa na ATMOSPHERHER, gwajin tsufa na halitta, gwajin tsufa na halitta, da sauransu) da gwajin tsufa.
(b) Wurin gwajin tsufa na wucin gadi. Don tsufa na zafi, tsufa, wankewa, tsufa na wucin gadi, tsufa-ozone, radiation mai ƙarfi da kuma ciwon kai mai ƙarfi.
4. Shin za a zabi matakin zafin jiki don gwajin tsufa mai zafi don abubuwan da aka yi na roba daban-daban?
Don roba na zahiri, zazzabi gwajin yawanci shine 50 ~ 100 ℃, don roba roba, yawanci 50 ~ 150 ℃, da zazzabi gwajin don wasu abubuwan shara na musamman sun fi wasu abubuwa na musamman. Misali, ana amfani da nitrile roba a 70 ~ 150 ~ 150 ℃, da silicone frouricine anyi amfani dashi a 200 ~ 300 ℃. A takaice, yakamata a ƙaddara gwargwadon gwajin.
Lokaci: Feb-14-2022
