Kokubili injoloba ne-silicone kungama-elastomers. Ziyizinto ze-polymeric ezibonisa isimilo se-viscoelastic, esivame ukubizwa ngokuthi ukuqina. Abicah angahlukaniswa kusuka kuma-rubbers ngesakhiwo se-athomu. Ngaphezu kwalokho, ama-silicone anezici ezikhethekile kakhulu kunama-rubbers ajwayelekile. Ama-rubbers ayenzeka ngokwemvelo, noma angahlanganiswa. Ngokusekelwe kulokhu, abicah bangehlukaniswa nenjoloba.

Irabha

Ngokuvamile, wonke ama-elastomers athathwa njengama-rubbers lapho ubukhulu bungaguqulwa khona kakhulu ngokucindezela, futhi kungabuyiselwa kubukhulu bokuqala ngemuva kokukhipha ingcindezi. Lezi zinto zikhombisa ukushisa kokushintsha kwengilazi ngenxa yesakhiwo sazo se-amorphous. Kunezinhlobo eziningi zama-rubbers noma ama-elastomers afana nenjoloba yemvelo, i-synthetic poly isoprene, i-styrene butadiene rubber, i-nitrile rubber, i-polychloprene, ne-silicone. Kepha injoloba yemvelo injoloba efika emqondweni wethu lapho ucubungula ama-rubbers. Injoloba yemvelo itholakala ku-latex ye-Heveabrasiliensis. I-Cis-1, 4-polyisoprene yisakhiwo senjoloba yemvelo. Iningi lama-rubbers liqukethe amaketanga e-polymer ekhabhoni. Kodwa-ke, ama-silicone rubbers aqukethe i-silicon kumaketanga e-polymer esikhundleni sekhabhoni.

Abicah

Abicah iraba lokwenziwa. Ihlanganiswe ngokuguqula i-silicon. I-silicone iqukethe umgogodla wama-athomu e-silicon anama-athomu e-oxygen ashintshanayo. Njengoba i-silicone inamandla amakhulu e-silicon-oxygen bond, imelana kakhulu nokushisa kunamanye ama-rubbers noma ama-elastomers. Ngokungafani namanye ama-elastomers, umgogodla ongaphili we-silicone wenza ukumelana kwawo ne-fungus namakhemikhali kuphakame. Ngaphezu kwalokho, iraba le-silicone ayimelani nokuhlaselwa kwe-ozone ne-UV ngoba isibopho se-silicon oxygen asingeni kakhulu kulokhu kuhlaselwa kunesibopho se-carbon- carbon somgogodla kwamanye ama-elastomers. Abicah unamandla aphansi okuqina namandla aphansi wezinyembezi kunama-rubbers wemvelo. Kodwa-ke emazingeni okushisa aphezulu, ikhombisa izakhiwo eziqinile zokuqina nokukhala. Lokhu kungenxa yokuthi ukwehluka kwezakhiwo ku-silicone kuncane emazingeni okushisa aphezulu. Abicah ihlala isikhathi eside kunamanye ama-elastomers. Lezi zimbalwa zezinto ezizuzisayo ze-silicone. Akunandaba, impilo yokukhathala yama-silicone rubbers ifushane kune-rubbers ephilayo. Ngenye yezinkinga zerabha le-silicone. Ngaphezu kwalokho, i-viscosity yayo iphezulu; ngakho-ke, kubangela izinkinga zokukhiqiza ngenxa yokungahambi kahle kwezakhiwo.
Irabha lisetshenziselwa izinhlelo eziningi ezinjenge-cookware, i-elektroniki, izinhlelo zokusebenza zezimoto njll, ngenxa yokuziphatha kwabo okunwebeka. Njengoba ziyizinto ezingangenwa ngamanzi, zisetshenziswa njengama-sealants, amagilavu ​​njll. Ama-Rubber noma ama-elastomers yizinto ezinhle kakhulu zokuvikela izinto.
Kuwo wonke ama-rubbers, i-silicone ingcono kakhulu ekuvaleni okushisayo ngenxa yokumelana nokushisa kwayo. Irabha le-Silicone linikeza izakhiwo ezikhethekile, okungekho rubbers eziphilayo.

Abicah vs iraba

Injoloba Ejwayelekile
Kudinga izithasiselo ezinobuthi ukuze uzinze
Kuqukethe amaphutha angaphezulu
Iyonakalisa / Impilo emfushane
Mnyama
Iyashabalala. Kwehliswe ukukhanya kwe-UV nokushisa okwedlulele
Isetshenziswe kahle kuzicelo zezimoto nezimboni

Abicah Rubber

Akudingi izithasiselo ezinobuthi
Ubushelelezi
Ukuhlala isikhathi eside / impilo ende
Ukungafihli noma yimuphi umbala owufunayo
Ayilulazi ngokukhanya kwe-UV noma ukushisa okweqile
Ngokufanelekile isetshenziselwa izinhlelo zokusebenza zokulungisa ukudla nezokudla

Conventional Rubber vs silicone rubber

Akudingi izithasiselo ezinobuthi

Ngokuphikisana nenjoloba, inqubo yokukhiqiza yokwenza abicah bekhwalithi ayidingi ukwengezwa kwama-ejenti okusimamisa angabazekayo. Yize izinqubo zokukhiqizwa kwenjoloba ziguqulwa ngokuqhubekayo emizameni yokwehlisa ukusetshenziswa kwama-carcinogen aphikisanayo, lokhu kukhombisa ukuzinza kwerabha. Ngenkathi nge-silicone, inqubo yokukhiqiza injalo, ukuthi into evelayo izinze ngokuphelele ngaphandle kwesidingo sezithasiselo ezinobuthi.

Ubushelelezi

Isayensi eyisisekelo isitshela ukuthi ngaphansi kwesibonakhulu indawo ebushelelezi ihlanzekile kunendawo embi / eqhekekile. Indawo engalingani yerabha ivumela amagciwane amancane kanye namagciwane ukuthi ahlale ngaphakathi. Le yinkinga eba yimbi ngokuhamba kwesikhathi njengoba injoloba iqala ukonakala, iyivumele ukuthi ibambe amagciwane amaningi. I-silicone ibushelelezi ngokuphelele ezingeni elincane kakhulu futhi ihlala injalo kukho konke ukuphila kwayo, okwenza ngokungangabazeki ihlanzeke kakhulu kunezinye izindlela zenjoloba.

Ukuhlala isikhathi eside / impilo ende

Impilo yanoma yimuphi umkhiqizo kufanele ihlale ibonwa maqondana nezindleko zayo. Okuthile akudingeki kushibhile uma kuqhubeka kudinga ukushintshwa. Ukuqina ezintweni zentengiso ezifana nerabha ne-silicone kuyinkinga yezimali kanye nodaba lwenhlanzeko. Ngokwesilinganiso abicah buhlala isikhathi esiphindwe kane kunenjoloba. Ngamanani aphindwe kabili entengo yenjoloba, lokhu kuveza ngokucacile ukonga ngokweqile kwezimali kwesikhathi eside, kanye nokunciphisa ubunzima nobasebenzi bokushintsha izinto.

Ukungafihli noma yimuphi umbala owufunayo

Kuningi okungashiwo ngokusobala. Uma inkinga ingabonakala, ingalungiswa. Uma ubude beshubhu enjoloba emnyama buvinjelwa, ayikho indlela yokutshela kahle ukuthi ukuvinjelwa kukuphi. Uma ukuvinjelwa kuqedile, khona-ke i-tubing ayifuni. Kodwa-ke, mhlawumbe okubi kakhulu kungaba ukuvinjelwa okuyingxenye, ukuvimbela ukuhamba, ukubambezeleka komkhiqizo nokwenza inhlanzeko ibe yimbi. Abicah icacile. Ukuvinjelwa nezinkinga kungabonakala kalula futhi kulungiswe ngokushesha, ngaphandle kokulimaza ikhwalithi. Ngenye indlela, ungangeza udayi enhlanganisweni ye-silicone kunqubo yokukhiqiza ukudala noma imuphi umbala owufunayo.

Ayilulazi ngokukhanya kwe-UV noma ukushisa okweqile

Lapho nje noma yini iqala ukwehlisa isithunzi, iqala ukungazinzi futhi ibangele ukungcola. Irabha liyinto "efayo"; eqhubeka nokushintsha, yehlisa isithunzi kusukela lapho ikhiqizwa futhi le nqubo isheshiswa kakhulu yingcindezi, ingcindezi, ushintsho ekushiseni nasekuvezeni ukukhanya kwe-UV. Abicah abenzi. Ayenziwa ukukhanya kwe-UV noma ukushisa okweqile. Ukuhluleka okokugcina kuzoholela kuzinyembezi ezilula, kunikeze inkomba ecacile yokuthi idinga ukushintshwa, ngaphandle kokubanga ukungcoliswa kwesikhathi eside.

Ngokufanelekile isetshenziselwa izinhlelo zokusebenza zokulungisa ukudla nezokudla

Uma ubheka izakhiwo eziyingqayizivele ze-silicone uma kuqhathaniswa nenjoloba, kulula ukubona ukuthi kungani abicah kuyizinto ezingakhethwa kuzicelo zezokwelapha futhi zisetshenziswe embonini yokulungisa ukudla. Lapho kudingeka khona isenzo esiphindaphindwayo, isimo esiguqukayo se-silicone singamelana nengcindezi eqhubekayo nezingcindezi zesikhathi eside kakhulu kunenjoloba futhi ngaphandle kokubola noma ukuqhekeka kwenqubo. Lokhu kuholela ekungcolisweni okuncane, ukonga kwezezimali kanye nemvelo ehlanzekile nxazonke.


Isikhathi Iposi: Nov-05-2019