Umahluko phakathi kwe-silicone kunye nerubha ye-silicone

Irabha ye-silicone isetyenziswa kakhulu, kodwa abanye abantu abanako ukwahlula phakathi kwerabha ye-silicone kunye nejeli ye-silica, kwaye igama alikagqitywa.Namhlanje, umhleli uya kujonga ngakumbi ukungafani kunye nokuhlelwa phakathi kwe-silicone kunye ne-rubber ye-silicone.Okwangoku, ingcamango yegama elithi "silicone" ayifani.Ukuza kuthi ga ngoku, akukho gama lichazwe kakuhle.Xa usiva igama elithi "silica gel", kufuneka uqonde ukuba ingaba i-silica gel okanye i-silicone-equkethe i-rubber yokwenziwa kwe-silicone, okanye ingaba i-silica gel ye-inorganic okanye i-organic silica gel kuhlalutyo lokugqibela.

"Ijeli yesilika" kubhekiselwa kuyo ngamagama amaninzi ahambelanayo njengerabha ye-silicone, irabha ye-silicone, kunye ne-silicone.Ubudlelwane phakathi kwerabha ye-silicone kunye ne-silica gel ihluke kwi-rubber ye-silicone kwaye iquka irabha ye-silicone.Irabha ye-Silicone yi-organic "silica gel" ye "silica gel".“I-Silicone” ligama elisetyenziswa eHong Kong naseTaiwan.Ibizwa ngokuba yi "silicone" kwilizwe laseTshayina.I-Silicone kunye ne-Silicone ziguqulelo ze-silicone yesiNgesi.Ngokuqhelekileyo kuthiwa lithetha "i-silicone".

Isishwankathelo, i-silica gel inokwahlulwa ibe ngamacandelo amabini, i-organic silica gel kunye ne-inorganic silica gel, ngokweempawu zabo kunye nokwakheka.Okokuqala, ndiya kuchaza malunga nerabha ye-silicone.

1. Ukusebenza kwerabha ye-Silicone kunye neeparitha zobugcisa

Irabha yeSilicone lolona didi lukhulu kwaye lusetyenziswa kakhulu kwiimveliso ze-silicone.Emva kwe-vulcanization, irabha ye-silicone inokumelana nobushushu obugqwesileyo, ukumelana nobushushu obuphantsi, ukumelana nemozulu, ukugxotha amanzi, ukugquma kombane, kunye ne-physiological inertia.

Iimpawu eziphambili kunye nezicelo zeeMveliso zeRubber yeSilicone: Ngokuxhomekeke kwiqondo lokushisa labo, i-rubber ye-silicone inokwahlulwa ibe ngamacandelo amabini: ubushushu obuphezulu (ubushushu) be-vulcanization kunye ne-vulcanization yegumbi.Irabha yobushushu obuphezulu isetyenziswa ikakhulu ekwenzeni iimveliso zerabha ze-silicone, ngelixa irabha yobushushu begumbi isetyenziswa ikakhulu njengezinto zokuncamathelisa, izinto zokubumba kunye nokubumba.

Irabha ye-silicone eshushu etshiswe ngumlilo (HTV)

Ubushushu vulcanized irabha abicah (HTV) lolona didi ibalulekileyo iimveliso abicah, kunye methyl vinyl vinyl irabha abicah (VMQ) lolona didi ibalulekileyo HTV eyaziwa ngokuba irabha ubushushu obuphezulu.I-Methyl vinyl irabha ye-silicone (irabha eluhlaza) ayinambala, ayinavumba, ayinayo ityhefu kwaye ayinayo ukungcola komatshini.Irabha ekrwada ixutywe neziqinisekiso ezifanelekileyo, ulawulo lwezakhiwo, i-vulcanizers kunye nezinye izongezo njengoko zifuneka.Ukuhlanjululwa, ukufudumeza, ukunyanzeliswa okanye ukukhutshwa, kulandelwa yi-vulcanization yamanyathelo amabini kwiimveliso ezahlukeneyo.Iimveliso zayo zinomgangatho obalaseleyo wokufakelwa kombane, ukuchasana okunamandla kwi-arcs, i-coronas, kunye neentlantsi, ukungenwa ngamanzi, ubungqina bokufuma, ukuchasana nempembelelo, ukuchasana nempembelelo, inertia ye-physiological, ukuphefumla kunye nezinye iipropathi.Isetyenziswa ikakhulu kwinqwelomoya, izixhobo zombane, izixhobo zombane kunye nezixhobo zombane, ukuhambahamba, isinyithi, oomatshini, iimoto, ezonyango nempilo, kunye namanye amacandelo, kwaye ingasetyenziselwa ukwenza imisesane yokutywina, iigaskets, iityhubhu, kunye neentambo zeemilo ezahlukeneyo.Izitho zomntu, imithambo yegazi, i-membrane eziphefumlayo kunye nokubumba irabha, ii-agent zokukhupha i-mold for cast ngokuchanekileyo, njl.

Ubushushu begumbi buvulcanized irabha yesilicone (RTV)

I-RTV irabha ye-silicone ngokubanzi ineendidi ezimbini: uhlobo olujikisiweyo kunye nodidi olongezelelweyo."I-adhesive yodidi lobushushu begumbi elincamathelayo lusekwe kumgca wepolysiloxane eneqela levinyl, isebenzisa i-siloxane ene-hydrogen njenge-agent edibanisa umnqamlezo, kwaye ijongana nempendulo yokudibanisa kwiqondo lobushushu eliphakathi ukuya kwiqondo lobushushu eliphakathi phambi kobushushu obuphakathi. I-catalyst ukuze ibe yi-elastomer.Inomgangatho ogqwesileyo wokugxotha amanzi kunye nokugquma kombane, kwaye kwangaxeshanye, ineempawu ezibalaseleyo zomzimba nezomatshini ezinje ngokuqina kokuqina, ukomelela okuhambelanayo, kunye namandla okukrazula ngenxa yokwaziswa kwamaqela e-terminal asebenzayo.I-radiation sulphurization kunye nokongeza iperoxide.Ifanelekile kwiindlela ezahlukeneyo ze-sulfurization ezifana ne-sulfurization kunye nokongeza ukubumba i-sulfurization, kwaye isetyenziselwa ukuxhathisa ukushisa, ukuxhathisa umswakama, ukugquma kombane, kunye neemveliso zerabha ze-silicone zamandla aphezulu.

I-Condensation-ubushushu begumbi-ubushushu be-silicone i-vulcanized i-rubber ibonakaliswe yi-condensation reaction phakathi kwe-silicone hydroxyl kunye nezinye izinto ezisebenzayo, kwaye idityaniswe ngokunqamlezayo kwiqondo lokushisa ukuze yenze i-elastomer.Iimveliso zohlulwe zibe yipakethe yecandelo elinye kunye nokupakishwa kwamacandelo amabini.ukumila.I-rubber ye-silicone ye-vulcanized vulcanized (i-RTV-1 i-rubber emfutshane) yenye yeemveliso eziphambili ze-rubber ye-silicone edibeneyo.Ngokuqhelekileyo iqulunqwe ukusuka kwiipolymers ezisisiseko, i-crosslinkers, i-catalysts, i-fillers kunye ne-additives.Imveliso ilungele kakhulu kuba ifakwe kwi-hose evaliweyo, ikhutshwe ngexesha lokusetyenziswa, ibonakaliswe emoyeni kwaye ifakwe kwi-elastomer.Imveliso vulcanized ingasetyenziswa ixesha elide kuluhlu lobushushu (-60 ukuya + 200 ° C), ine yokugquma umbane obalaseleyo kunye nozinzo lwemichiza, inamanzi agqwesileyo, i-ozone, kunye nokumelana nemozulu, kwaye incamathele ngokugqwesileyo. iintsimbi ezahlukeneyo.Nyusa.Nezinto ezingezizo ezentsimbi.Ukufikeleleka.Isetyenziselwa ikakhulu ukugquma iindawo ezahlukeneyo ze-elektroniki kunye nezixhobo zombane, kwaye idlala indima njengokugquma, ubungqina bokufuma, ukuxhathisa impembelelo, imathiriyeli yokukhusela umphezulu wezixhobo ze-semiconductor, isitywini sokutywina, kunye ne-elastic adhesive.

Ubushushu begumbi elinamacandelo amabini erabha ye-silicone evulziweyo (i-RTV-2 irabha ngokufutshane) ayilunganga njengerabha ye-RTV-1, kodwa inomlinganiselo obanzi wecandelo.Iimveliso zeVulcanized ezineenkcukacha ezininzi kunye neempawu zinokufumaneka ngohlobo olunye.Ke ngoko, isetyenziswa ngokubanzi njengesixhobo sokugquma, ukugquma, ukutywina, ukutywina, ukuqinisekiswa kokunyakama, ukuqinisekiswa kokungcangcazela, kunye nokuveliswa kwe-roller kumashishini anjengezixhobo zombane, iimoto, oomatshini, ulwakhiwo, amalaphu, iikhemikhali, kunye noshishino olulula., Ushicilelo njl. Ukongeza, ngenxa yokuba i-RTV-2 inokukhutshwa ngokugqwesileyo kokungunda, isetyenziswa ngokubanzi njengento yokubumba ethambileyo yokuphindaphinda kunye nokuvelisa iipropati zenkcubeko, imisebenzi yezandla, iithoyi, izixhobo zombane, kunye namalungu omatshini.

Enye yeendlela eziqhelekileyo zokusetyenziswa kwee-silicone sealants ziindonga zeglasi.Iglasi kunye neefreyimu zealluminiyam zincanyathiselwe nge-adhesive ye-silicon ye-organic encamathelayo njengesixhobo sodonga lwangaphandle, amakhonkco etelescopic awanamanzi kwaye atywinwe nge-adhesive ye-organic ye-silicon yemozulu.Ezinye izicelo zibandakanya iingcango zealluminiyamu kunye neefestile, iingcango zentsimbi yeplastiki kunye nokutywinwa komjikelezo wefestile, ukunyuswa kweglasi kunye nokuhamba kwamalungu e-groove, i-rivet kunye nokutywina ukutywinwa kwe-screw: i-sanitary ware kunye ne-countertops, amatywina angangeni manzi phakathi kweendonga, ikhitshi, ifenitshala yokuhlambela, i-aquariums, iisilingi, isinyithi. uphahla, imiboniso, izinto zokubala, iipaneli zodonga, iipleyiti zentsimbi ezinemibala.Isetyenziselwa ukutywinwa kwe-caulking engangeni manzi phakathi kweepleyiti zohola wendlela.

Ukongeza kwii-sealants zokwakha, i-RTV iquka izinto zokutywina ezisetyenziswa kumashishini afana ne-aerospace, izityalo zamandla enyukliya, izixhobo ze-elektroniki, oomatshini, kunye neemoto, izinto zokubumba ze-silicone ezisetyenziselwa ukubumba izinto ze-elektroniki, kunye nezixhobo ezithambileyo zokubumba.Kubandakanya i-adhesives ye-silicone mold esetyenziswayo... Imfuno yezi ndidi iphantsi, kodwa kwiimeko ezininzi zibalulekile.

Ijeli ye-silica ye-Inorganic (ijeli yesilika)

Ijeli ye-silica ye-Inorganic i-adsorbent esebenzayo kakhulu, idla ngokulungiswa ngokuphendula i-sodium silicate kunye ne-asidi ye-sulfuric kwaye iqhube uchungechunge lweenkqubo zonyango emva kokunyanga ezifana nokuguga kunye ne-acid foaming.Ijeli ye-silica yinto e-amorphous kunye ne-chemical formula yayo yi-mSiO2.nH2O.Ayinyibiliki emanzini kunye ne-solvents, i-non-toxic, i-tasteless, i-chemicals stable, kwaye ayiphenduli kunye nezinto ngaphandle kwe-alkalis eqinile kunye ne-hydrofluoric acid.Iindidi ezahlukeneyo ze-silica gel zenziwe ngokuhlukileyo kwaye zenze izakhiwo ze-microporous ezahlukeneyo.

Ukwakhiwa kweekhemikhali kunye ne-physics ye-silica gel inquma ukuba ineepropati ezininzi ekunzima ukuyitshintsha kunye nezinye izinto ezifanayo: ukusebenza okuphezulu kwe-adsorption, ukuzinza okuhle kakhulu kwe-thermal, i-chemistry ezinzile, kunye ne-chemistry ezinzile.Amandla omatshini aphezulu.Ngenxa yeempawu zayo zeekhemikhali, isetyenziselwa ukuveliswa kweentlobo ezahlukeneyo zeemveliso ze-silicone ezifana nezitywina ze-silicone, izitywina ze-silicone kunye nezixhobo zasekhitshini ze-silicone.

Ijeli ye-silica yahlulwe ibe yijeli ye-silica ye-macroporous, ijeli ye-silica yekhosi ye-pore, uhlobo lwejeli ye-silica ye-B, kunye nejeli ye-silica ye-pore efanelekileyo ngokobukhulu be-pore diameter.Ngenxa yomahluko kwisakhiwo se-pore, iimpawu ze-adsorption zineempawu ezizodwa.Ijeli ye-silica ye-coarse-pore inomthamo ophezulu we-adsorption xa ukufuma okuhlobene kuphezulu, kunye nejeli ye-silica ye-pore inomthamo omkhulu we-adsorption kunejeli ye-silica ye-coarse-pore xa ukufuma okuhambelanayo kuphantsi.Ijeli ye-silica yodidi lwe-B iphakathi kweepore ezirhabaxa kunye nezicolekileyo, kwaye ubungakanani be-adsorption bukwaphakathi kweepore ezirhabaxa nezicolekileyo.Ijeli ye-silika ye-macroporous isetyenziswa ngokuqhelekileyo njenge-catalyst carrier, i-agent matting, intlama yamazinyo kunye ne-abrasive.

Ukwahlulwa kwemveliso, iimpawu zesicelo, kunye nezilumkiso zejeli ye-silica, imathiriyeli yerabha ye-silicone yerabha ekrwada, kunye nemathiriyeli ekrwada yerabha ye-silicone yahlukile.Itekhnoloji yesicelo kunye nokusetyenziswa okuphambili kwe-silica gel imathiriyeli ekrwada kunye nerubha ye-silicone engamanzi yahlukile.Iimathiriyeli ekrwada ziqhelekile kwaye ungafumanisa, uphande kwaye uphonononge ngakumbi.Funda malunga nejeli ye-silica.

I-silicon resin isetyenziswa kakhulu njengepeyinti yokugquma (kubandakanya ivanishi, i-enamel, ipeyinti enemibala, ivanishi, njl.), efakwe kwiimotor ze-H-class kunye neekhoyili ze-transformer, kwaye ifakwe ngelaphu leglasi, ilaphu leglasi lesilika, kunye nelaphu le-asbestos.Senza izigqubuthelo zeemoto kunye neemveliso zombane.Nceda ulinde ujiko olugqunyiweyo.

I-Silicone resins bubushushu kunye nemozulu yokumelana ne-anticorrosion coatings, i-metal protective coatings, i-waterproof proof proof proof proofing for project building, i-adhesive agents, i-adhesives, kunye nokuqhutyelwa kwesibini kwiiplastiki ze-silicone ukuze zisetyenziswe kwi-electronics, umbane kunye nokukhusela.Ingasetyenziswa njenge.ishishini.Izinto zokupakisha zeSemiconductor kunye nezixhobo zokugquma ezifana nezixhobo ze-elektroniki.

I-silicone resins kubushushu kunye noxinzelelo lwe-anti-corrosion coatings, iingubo ezikhuselayo zetsimbi, ukugquma kwamanzi kunye nobungqina bokufuma kwiiprojekthi zokwakha, ii-agent zokukhupha i-mold, i-adhesives, kunye ne-electronics, iimveliso zombane kunye namashishini okukhusela.

Xa kuthelekiswa nezinye izinto ze-silicone, i-resin ze-silicone zineentlobo ezincinci kunye nesabelo esincinci semarike.

Xa i-resin ecocekileyo ye-silicone okanye i-resin eguquliweyo ye-silicone isetyenziswe njengesiseko sesiseko, ipeyinti yesilivere equkethe i-aluminium powder ingasetyenziselwa kumaqondo okushisa angama-400-450 ° C kunye ne-600 ° C. Xa kuthelekiswa ne-resin eziphilayo eziqhelekileyo, i-silicone i-resin inokumelana nemozulu engcono, kunye noluhlu lwe-wavelength ye-spectrum yelanga yi-300 nm okanye ngaphezulu, kodwa i-silicone resins ifunxa ngaphantsi kwe-280 nm.

I-Hydrolysis ye-silicone resins ihlala iqulethe ii-monomers ezimbini okanye ngaphezulu ezinamazinga ahlukeneyo e-hydrolysis kwaye idla ngokusetyenziselwa ukugudisa umahluko kumazinga e-hydrolysis ye-silanes ezahlukeneyo kunye nokufezekisa iimeko ezifanayo ze-co-hydrolysis., I-Hydrolysis kunye nokuchithwa kotywala kwenziwa ngexesha elifanayo.