Ana amfani da robar siliki da yawa, amma wasu mutane ba za su iya bambance tsakanin robar siliki da silica gel ba, kuma ba a tantance sunan ba.A yau, editan zai yi nazari sosai kan bambance-bambance da rarrabuwa tsakanin silicone da silicone roba.A halin yanzu, manufar kalmar "silicone" ba ta daidaita ba.Ya zuwa yanzu, babu ingantaccen suna.Lokacin da kuka ji kalmar "silica gel", kuna buƙatar fahimtar ko silica gel ne ko roba roba mai ɗauke da siliki, ko kuma silica gel ɗin inorganic ko gel silica gel a cikin bincike na ƙarshe.
"Silica gel" ana magana da shi ta wasu sharuɗɗan da ke da alaƙa irin su silicone roba, siliki, da silicone.Dangantakar da ke tsakanin siliki da silica gel ya bambanta da siliki na siliki kuma ya haɗa da siliki na siliki.Silicone roba ne kwayoyin "silica gel" na "silica gel"."Silicone" kalma ce da ake amfani da ita a Hong Kong da Taiwan.Ana kiranta "silicone" a babban yankin kasar Sin.Silicone da Silicone fassarar siliki ne na Turanci.Yawancin lokaci ana cewa yana nufin "silicone".
A taƙaice, silica gel za a iya raba kashi biyu, Organic silica gel da inorganic silica gel, bisa ga kaddarorin da abun da ke ciki.Na farko, zan yi bayani game da roba na silicone.
1. Ayyukan roba na silicone da sigogi na fasaha
Silicone roba shine mafi girma kuma mafi yawan amfani da nau'in samfuran silicone.Bayan vulcanization, silicone roba yana da kyakkyawan juriya na zafi, ƙarancin zafin jiki, juriya na yanayi, rashin ruwa, rufin lantarki, da rashin ƙarfi na jiki.
Key Properties da Aikace-aikace na Silicone Rubber Products: Dangane da su vulcanization zafin jiki, silicone roba za a iya raba kashi biyu: high zafin jiki (mai tsanani) vulcanization da dakin zafin jiki vulcanization.Ana amfani da roba mai zafi sosai wajen kera kayayyakin robar siliki iri-iri, yayin da robar zafin dakin da aka fi amfani da shi azaman manne, kayan tukwane da gyare-gyare.
Zafi vulcanized silicone roba (HTV)
Zafin vulcanized silicone roba (HTV) shine mafi mahimmancin nau'in samfuran silicone, kuma methyl vinyl silicone rubber (VMQ) shine mafi mahimmancin nau'in HTV wanda akafi sani da roba mai zafi.Methyl vinyl silicone roba (raw roba) ba shi da launi, mara wari, mara guba kuma mara ƙazanta na inji.Raw roba yana haɗe tare da abubuwan ƙarfafawa masu dacewa, sarrafawar tsari, vulcanizers da sauran ƙari kamar yadda ake buƙata.Tsarkakewa, dumama, matsawa ko extrusion, sannan vulcanization mataki biyu ya biyo baya cikin samfura iri-iri.Kayayyakin sa suna da ingantacciyar wutar lantarki, juriya mai ƙarfi ga arcs, coronas, da tartsatsin tartsatsi, mai hana ruwa, tabbacin danshi, juriya mai tasiri, juriya mai tasiri, inertia physiological, breathability da sauran kaddarorin.An fi amfani da shi a fannin sufurin jiragen sama, kayan aiki, kayan lantarki da na'urori, kewayawa, ƙarfe, injina, motoci, likitanci da lafiya, da sauran sassa, kuma ana iya amfani da shi don kera zoben hatimi, gaskets, tubes, igiyoyi masu siffofi daban-daban.Gabobin jikin mutum, magudanar jini, magudanar numfashi da na roba, abubuwan fitar da kyallen don yin simintin gyaran fuska, da sauransu.
Zazzaɓin ɗaki vulcanized silicone roba (RTV)
RTV silicone roba gabaɗaya yana da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'in nau'in ƙari da ƙari."Addictive nau'in dakin zafin jiki m yana dogara ne akan polysiloxane na layi mai layi yana da rukunin vinyl, yana amfani da siloxane mai ɗauke da hydrogen a matsayin wakili mai haɗin kai, kuma yana jujjuya halayen haɗin kai a cikin dakin zafin jiki zuwa matsakaicin zafin jiki a gaban mai kara kuzari ya zama elastomer.Yana da kyakkyawan ruwa mai tsafta da wutar lantarki, kuma a lokaci guda, yana da kyawawan kayan aiki na jiki da na inji irin su ƙarfin ƙarfi, haɓakar dangi, da ƙarfin hawaye saboda ƙaddamar da ƙungiyoyi masu aiki.Radiation sulfurization da kuma ƙara peroxide.Ya dace da hanyoyi daban-daban na sulfurization kamar sulfurization da ƙari gyare-gyaren sulfurization, kuma ana amfani da shi sosai don juriya na zafi, juriya na danshi, rufin lantarki, da samfuran roba na silicone mai ƙarfi.
Nau'in nau'in ɗaki-zazzabi vulcanized silicone roba yana da halin daɗaɗɗen amsawa tsakanin silicone hydroxyl da sauran kayan aiki, kuma ana haɗe-haɗe a zafin daki don samar da elastomer.An raba samfuran zuwa marufi guda ɗaya da marufi mai sassa biyu.siffa.Rubber Silicone vulcanized-bangare guda ɗaya (RTV-1 roba a takaice) ɗaya ne daga cikin manyan samfuran roba na siliki.Yawancin lokaci ana tsara shi daga tushen polymers, crosslinkers, catalysts, fillers da additives.Samfurin ya dace sosai saboda an cushe shi a cikin bututun da aka rufe, an matse shi yayin amfani, fallasa shi cikin iska sannan kuma a sanya shi cikin na'urar elastomer.Za'a iya amfani da samfurin vulcanized na dogon lokaci a cikin kewayon zafin jiki na (-60 zuwa + 200 ° C), yana da ingantaccen rufin lantarki da kwanciyar hankali, yana da kyakkyawan ruwa, ozone, da juriya na yanayi, kuma yana da kyakkyawan mannewa zuwa karafa daban-daban.karuwa.Da kuma kayan da ba na karfe ba.Dama.Ana amfani da shi galibi don rufe sassa daban-daban na lantarki da kayan lantarki, kuma yana taka rawa azaman rufi, tabbacin danshi, juriya mai tasiri, kayan kariya na saman don na'urorin semiconductor, filler ɗin rufewa, da manne na roba.
Zazzabi mai nau'i biyu na ɗakin dakuna vulcanized silicone roba (RTV-2 roba ga gajere) bai dace da RTV-1 roba ba, amma yana da nau'ikan rabon kayan aikin.Ana iya samun samfuran vulcanized tare da ƙayyadaddun ƙayyadaddun bayanai da halaye da yawa tare da nau'in nau'i ɗaya.Sabili da haka, ana amfani dashi da yawa azaman abu don rufi, rufewa, caulking, rufewa, tabbatar da danshi, tabbatar da rawar jiki, da masana'antar abin nadi a masana'antu kamar kayan lantarki, motoci, injina, gini, masana'anta, sunadarai, da masana'antar haske., Buga da dai sauransu Bugu da kari, saboda RTV-2 yana da kyau kwarai mold releasability, shi ne yadu amfani a matsayin taushi mold abu domin kwafi da kuma masana'antu Properties, handicrafts, toys, lantarki na'urorin, da inji sassa.
Ɗaya daga cikin abubuwan da ake amfani da su na silicone sealants shine bangon labulen gilashi.Gilashi da firam ɗin alloy na aluminium suna manne tare da mannen tsarin siliki na halitta azaman kayan don bangon waje, haɗin telescopic ba su da ruwa kuma an rufe su da mannen siliki na yanayi.Sauran aikace-aikacen sun haɗa da kofofin alloy na aluminum da tagogi, ƙofofi na ƙarfe na filastik da rufewar taga kewaye, ɗorawa gilashin da motsin tsagi, rivet da gyaran dunƙule hatimin: kayan tsabta da kayan kwalliya, Hatimi mai hana ruwa tsakanin bango, dafa abinci, kayan gidan wanka, aquariums, rufi, ƙarfe rufin rufi, nunin faifai, counters, bangon bango, faranti na ƙarfe masu launi.Ana amfani da hatimin caulking mai hana ruwa tsakanin faranti na babbar hanya.
Baya ga kayan aikin ginin, RTV ya haɗa da kayan rufewa da ake amfani da su a masana'antu kamar sararin samaniya, tashoshin makamashin nukiliya, kayan lantarki, injuna, da motoci, kayan tukwane na siliki da ake amfani da su don tukunyar kayan lantarki, da kayan ƙera laushi.Ya haɗa da adhesives na siliki da aka yi amfani da su... Buƙatar waɗannan nau'ikan suna da ƙarancin ƙarancin ƙarfi, amma a yawancin lokuta suna da mahimmanci.
Inorganic silica gel (silica gel)
Inorganic silica gel ne mai matukar aiki adsorbent, yawanci shirya ta hanyar mayar da martani sodium silicate tare da sulfuric acid da jurewa jerin bayan jiyya matakai kamar tsufa da acid kumfa.Silica gel abu ne mai amorphous kuma tsarin sinadarai shine mSiO2.nH2O.Ba shi da narkewa a cikin ruwa da kaushi, ba mai guba, maras ɗanɗano, sinadarai barga, kuma baya amsa da abubuwa ban da karfi alkalis da hydrofluoric acid.Daban-daban na silica gel an kera su daban kuma suna samar da sifofi daban-daban.
Abubuwan sinadaran da kimiyyar lissafi na gel silica sun ƙayyade cewa yana da kaddarorin da yawa waɗanda ke da wuya a maye gurbinsu da sauran kayan aiki iri ɗaya: babban aikin adsorption, kyakkyawan kwanciyar hankali na thermal, ingantaccen sinadarai, da ingantaccen sinadarai.Babban ƙarfin injiniya.Saboda kaddarorin sinadarai, ana amfani da shi wajen kera nau'ikan samfuran siliki iri-iri kamar su siliki, siliki da kayan dafa abinci na siliki.
Silica gel an raba zuwa macroporous silica gel, Hakika pore silica gel, type B silica gel, da lafiya pore silica gel daidai da girman da pore diamita.Saboda bambancin tsarin pore, halayen tallan suna da halaye na musamman.Gel silica-pore-pore yana da ƙarfin haɓakawa mafi girma lokacin da ƙarancin dangi ya yi girma, kuma pore silica gel yana da ƙarfin adsorption mafi girma fiye da gel silica mai ƙarfi-pore lokacin da ƙarancin dangi ya yi ƙasa.Nau'in silica gel na nau'in B yana tsakanin ƙananan pores masu kyau da masu kyau, kuma adadin adsorption kuma yana tsakanin ƙananan pores.Macroporous silica gel ana amfani dashi azaman mai ɗaukar hoto, wakili na matting, man goge baki da abrasive.
Rarraba samfurin, halayen aikace-aikacen, da kuma taka tsantsan don gel silica, silica roba albarkatun ƙasa, da siliki roba albarkatun ruwa sun bambanta.Fasahar aikace-aikacen da manyan aikace-aikace na silica gel albarkatun kasa da roba silicone ruwa sun bambanta.Kayan albarkatun kasa sun saba kuma zaku iya ganowa, bincika da bincika ƙarin.Koyi game da gel silica.
Ana amfani da resin siliki galibi azaman fenti (ciki har da fenti, enamel, fenti mai launi, varnish, da sauransu), wanda aka yi masa ciki da injina na H-class da coils na wuta, kuma an haɗa shi da zanen gilashi, siliki na gilashin gilashi, da rigar asbestos.Muna kera murfin mota da samfuran lantarki.Da fatan za a jira iskar da aka keɓe.
Silicone resins ne zafi da yanayin resistant anticorrosion coatings, karfe kariya coatings, hana ruwa da kuma danshi proof coatings ga gine-gine, saki jamiái, adhesives, da kuma sakandare aiki zuwa silicone robobi don amfani a lantarki, lantarki da kuma tsaro.Ana iya amfani dashi azaman.masana'antu.Semiconductor marufi kayan da insulating kayan kamar lantarki sassa.
Silicone resins ne zafi da kuma matsa lamba resistant anticorrosion coatings, karfe kariya coatings, hana ruwa da kuma danshi proof shafi don gine-gine, mold saki jamiái, adhesives, da lantarki, lantarki kayayyakin, da kuma tsaro masana'antu.
Idan aka kwatanta da sauran kayan silicone, resins na silicone suna da ɗan ƙaramin iri-iri da ƙaramin rabon kasuwa.
Lokacin da aka yi amfani da resin silicone mai tsabta ko gyare-gyaren siliki mai mahimmanci a matsayin kayan tushe, ana iya amfani da fenti na azurfa da ke dauke da foda na aluminum a yanayin zafi na 400-450 ° C har ma da 600 ° C. Idan aka kwatanta da resins na yau da kullum, resins silicone suna da mafi kyawun juriya na yanayi, kuma tsawon zangon bakan hasken rana shine 300 nm ko fiye, amma resin silicone yana ɗaukar ƙasa da 280 nm.
Hydrolysis na silicone resins sau da yawa ya ƙunshi biyu ko fiye monomers tare da daban-daban hydrolysis rates kuma yawanci amfani da su smoothing fitar da bambance-bambance a hydrolysis rates na daban-daban silanes da kuma cimma uniform co-hydrolysis yanayi., Hydrolysis da barasa bazuwar ana yin su a lokaci guda.
Lokacin aikawa: Oktoba-29-2021
