Dukansu roba da silicone sune elastomers. Su kayan polymeric ne waɗanda ke nuna halayen viscoelastic, wanda galibi ake kira elasticity. Silicone za a iya bambanta daga rubbers ta atomic tsarin. Bugu da ƙari, silicones suna da kaddarorin musamman fiye da rubbers na al'ada. Roba na faruwa a yanayi, ko kuma ana iya haɗa su. Bisa ga wannan, ana iya bambanta silicone daga roba.
Roba
Gabaɗaya, ana ɗaukar duk masu elastomers a matsayin rubbers waɗanda za a iya canza girman su ta hanyar damuwa, kuma za a iya mayar da su zuwa girman asali bayan cire damuwa. Waɗannan kayan suna nuna zafin zafin miƙaƙƙen gilashi saboda tsarinsu mara kyau. Akwai nau'ikan rubbers ko elastomers kamar roba na halitta, poly isoprene na roba, roba butadiene roba, nitrile roba, polychloprene, da silicone. Amma roba ta halitta ita ce robar da ke zuwa zuciyar mu lokacin da ake la'akari da rubba. Ana samun roba na halitta daga latex na Heveabrasiliensis. Cis-1, 4-polyisoprene shine tsarin roba na halitta. Yawancin rubbers suna ɗauke da sarƙoƙin polymer na carbon. Koyaya, rubbers na silicone sun ƙunshi silicon a cikin sarkar polymer maimakon carbon.
Silicone
Silicone roba ne na roba. An haɗa shi ta hanyar canza siliki. Silicone ya ƙunshi kashin siliki tare da madaidaicin atom na oxygen. Kamar yadda silicone yana da ƙarfin silicon-oxygen bond, yana da tsayayya da zafi fiye da sauran rubbers ko elastomers. Ba kamar a cikin sauran masu elastomers ba, kashin baya na silicone yana sa juriyarsa ga naman gwari da sinadarai. Bugu da ƙari, robar silicone tana da tsayayya ga hare-haren ozone da UV saboda haɗin oxygen na silicon ba shi da saukin kamuwa da waɗannan hare-hare fiye da haɗin carbon-carbon na kashin baya a cikin sauran masu samar da lantarki. Silicone yana da ƙananan ƙarfin ƙarfi da ƙananan ƙarfi na hawaye fiye da rubbers na Organic. Duk da haka a yanayin zafi mai zafi, yana nuna kyawawan halaye na haushi da hawaye. Wannan saboda bambancin kaddarorin da ke cikin silicone ba shi da yawa a yanayin zafi. Silicone ya fi dindindin fiye da sauran elastomers. Waɗannan kaɗan ne daga cikin kaddarorin amfani na silicone. Ba tare da la'akari da haka ba, rayuwar gajiya na rububin silicone ya fi guntu fiye da na roba. Yana daya daga cikin rashin amfanin silicone roba. Bugu da kari, danko yana da yawa; saboda haka, yana haifar da matsalolin masana'antu saboda ƙarancin kaddarorin kwarara.
Ana amfani da Roba don aikace -aikace da yawa kamar kayan dafa abinci, kayan lantarki, aikace -aikacen motoci da sauransu, saboda halayen su na roba. Kamar yadda suke kayan hana ruwa, ana amfani da su azaman sealants, safofin hannu da dai sauransu Rubbers ko elastomers sune kyawawan kayan don dalilai na ruɓewa.
Daga duk masu goge -goge, silicone ya fi kyau don rufin zafi saboda tsananin zafinsa. Roba na Silicone yana ba da kaddarori na musamman, waɗanda rububin kwayoyin halitta ba su da shi.
Silicone vs roba
Roba na al'ada
Yana buƙatar ƙari mai guba don daidaitawa
Ya ƙunshi kurakuran farfajiya
Mai lahani / Gajeriyar rayuwa
Baƙi
Mai lalacewa. Rage hasken UV da matsanancin zafin jiki
Anyi amfani dashi da kyau a aikace -aikacen motoci da masana'antu
Rubutun Silicone
Ba ya buƙatar ƙari mai guba
Santsi
Durable / Doguwar rayuwa
M ko kowane launi kake so
Ba ya kaskantar da hasken UV ko matsanancin zafin jiki
Mafi dacewa don amfani da aikace -aikacen sarrafa magunguna da abinci
Ba ya buƙatar ƙari mai guba
Sabanin roba, tsarin samarwa don ƙirƙirar silicone mai inganci baya buƙatar ƙarin wakilai masu tabbatar da tabbaci. Kodayake ana ci gaba da daidaita ayyukan samar da roba a ƙoƙarin rage amfani da carcinogens masu gardama, wannan babu makawa yana yin nuni kan zaman lafiyar robar. Ganin cewa tare da silicone, tsarin samarwa shine irin wannan, cewa abin da aka haifar yana da tsayayye gaba ɗaya ba tare da buƙatar ƙari mai guba ba.
Santsi
Kimiyyar asali tana gaya mana cewa a ƙarƙashin na'urar microscope wuri mai santsi ya fi tsabta fiye da kauri/tsagwaron ƙasa. Ginin da bai dace ba na roba yana ba da damar ƙwayoyin cuta da ƙwayoyin cuta su zauna a ciki. Wannan matsala ce da ke ƙara yin muni da lokaci yayin da robar ta fara lalacewa, ta ba ta damar ƙara yawan ƙwayoyin cuta. Silicone yana da santsi gabaɗaya akan matakin microscopic kuma ya kasance haka a duk tsawon rayuwar sa, babu shakka yana sa ya fi tsabta fiye da madadin roba.
Durable / Doguwar rayuwa
Rayuwar kowane samfur yakamata a dinga gani dangane da tsadar sa. Wani abu ba lallai bane mai arha idan yana buƙatar sauyawa akai -akai. Dorewa a cikin kayan kasuwanci kamar roba da silicone shine damuwar kuɗi gami da batun tsabta. A matsakaicin siliki yana wuce tsawon roba fiye da sau huɗu. A sau biyu kawai farashin roba, wannan a bayyane yana ba da babban tanadi na kuɗi na dogon lokaci, tare da rage wahala da ƙarfin ma'aikata don maye gurbin abubuwa.
M ko kowane launi kake so
Akwai abubuwa da yawa da za a faɗi don nuna gaskiya. Idan ana iya ganin matsala, ana iya gyara ta. Idan an toshe tsawon bututun roba na roba, babu yadda za a yi a faɗi ainihin inda toshewar take. Idan toshewar ta cika, to bututun ya sake yawa. Koyaya, wataƙila mafi muni zai iya zama wani toshewa na ɗan lokaci, ƙuntata kwarara, jinkirin yawan aiki da yin illa ga tsafta. Silicone a bayyane yake. Ana iya hango shingaye da matsaloli cikin sauƙi kuma a gyara su kai tsaye, ba tare da wata illa ga inganci ba. A madadin, zaku iya ƙara launuka zuwa cakuda silicone a cikin masana'antar don ƙirƙirar kowane launi da kuke so.
Ba ya kaskantar da hasken UV ko matsanancin zafin jiki
Da zaran wani abu ya fara ƙasƙantar da kai, zai fara zama mara tsayayye kuma yana haifar da gurɓataccen iska. Roba abu ne mai “mutuwa”; yana ci gaba da canzawa, yana ƙasƙantar da kai daga lokacin da aka ƙera shi kuma wannan saurin yana saurin hanzartawa ta hanyar damuwa, matsin lamba, canje -canjen zafin jiki da kuma bayyanar da hasken UV. Silicone ba. Ba a yin ta ta hanyar hasken UV ko matsanancin zafin jiki. Rashin nasara na ƙarshe zai haifar da hawaye masu sauƙi, yana ba da bayyananniyar alama cewa tana buƙatar maye gurbin, ba tare da haifar da gurɓatawa na dogon lokaci ba.
Mafi dacewa don amfani da aikace -aikacen sarrafa magunguna da abinci
Kallon keɓaɓɓun kaddarorin silicone idan aka kwatanta da roba, yana da sauƙi a ga me yasa silicone shine kayan zaɓin aikace -aikacen likita da don amfani a cikin masana'antar sarrafa abinci. Inda ake buƙatar maimaita aiki, yanayin siliki mai sassauƙa na iya jurewa matsin lamba da matsin lamba na tsawon lokaci fiye da na roba kuma ba tare da ɓarna ko ɓarna cikin tsari ba. Wannan yana haifar da ƙarancin gurɓatawa, tanadin kuɗi da kuma duk yanayin muhalli mai tsabta.
Lokacin aikawa: Nov-05-2019