Iimpawu zezinto ze-silicone

Iimpawu zezinto ze-silicone

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1. I-Viscosity
Ingcaciso yamagama enzululwazi kunye nethekhinoloji: Iimpawu zevolumu yolwelo, i-pseudo-liquid okanye i-pseudo-solid matter ngokuchasene nokuhamba, oko kukuthi, ukukhuhlana kwangaphakathi okanye ukuchasana kwangaphakathi kokuhamba phakathi kweeathomu xa zihamba phantsi kwesenzo samandla angaphandle.Kwiimeko eziqhelekileyo, i-viscosity ihambelana ngokuthe ngqo nobunzima.

2. Ubulukhuni
Isakhono semathiriyeli ukuxhathisa ekuhlaleni izinto ezinzima ezicinezelwe kumphezulu wayo kuthiwa bubulukhuni.Irabha ye-Silicone inoluhlu lobunzima be-Shore ye-10 ukuya kwi-80, enika abaqulunqi inkululeko epheleleyo yokukhetha ubunzima obufunekayo ukuze bafezekise imisebenzi ethile.Amanani ahlukeneyo obunzima obuphakathi anokufezekiswa ngokuxuba i-polymer substrates, izihluzi kunye nezongezo ngokwemilinganiselo eyahlukeneyo.Ngokufanayo, ixesha kunye nobushushu bokufudumala kunye nokunyanga kunokutshintsha kwakhona ukuqina ngaphandle kokutshabalalisa ezinye iimpawu zomzimba.

3. Amandla okuqina
Amandla okuqina abhekisa kumandla afunekayo kwiyunithi nganye yoluhlu ukubangela ukuba isampulu yerubha ikrazuke.Amandla okuqina erabha eqinileyo ye-silicone evulwe ngokushushu kuphakathi kwe-4.0-12.5MPa.Amandla okuqina erabha ye-fluorosilicone aphakathi kwe-8.7-12.1MPa.Amandla e-tensile yerubha ye-silicone elulwelo ikuluhlu lwe-3.6-11.0MPa.

Isine, amandla okukrazula
Ukuchasana okuthintela ukwandiswa kokunqunyulwa okanye amanqaku xa kunyanzeliswa isampuli esisikiweyo.Nokuba ibekwe phantsi koxinzelelo oluphezulu kakhulu emva kokusikwa, irabha eqinileyo ye-silicone ene-thermal ayinakukrazuka.Uluhlu lwamandla okukrazula kwerabha ye-silicone eqinileyo eshushu-vulcanized phakathi kwe-9-55 kN / m.Uluhlu lwamandla okukrazula irubha ye-fluorosilicone iphakathi kwe-17.5-46.4 kN / m.Amandla okukrazula kwerabha ye-silicone engamanzi ukusuka kwi-11.5-52 kN / m.

5. Ubude
Ngokuqhelekileyo ibhekisela "kwi-Ultimate Break Elongation" okanye ukunyuka kwepesenti ngokumalunga nobude bokuqala xa isampuli iqhekeza.Irabha eyomeleleyo ye-silicone evulcanized ngokushushu, inobude obuphakathi kwama-90 ukuya kwi-1120%.Ukolulwa ngokubanzi kwerabha ye-fluorosilicone kuphakathi kwe-159 kunye ne-699%.Ukolulwa ngokubanzi kwerabha ye-silicone engamanzi kuphakathi kwe-220 kunye ne-900%.Iindlela ezahlukeneyo zokusetyenzwa kunye nokukhethwa kwe-hardener kunokutshintsha kakhulu ubude bayo.Ubude berabha ye-silicone inento eninzi yokwenza nobushushu.

6, ixesha lokusebenza
Ixesha lokusebenza libalwa ukususela kwixesha i-colloid yongezwa kwi-agent agent.Ngokwenene akukho mda upheleleyo phakathi kweli xesha lokusebenza kunye nexesha elilandelayo levulcanization.I-colloid iye yafumana i-vulcanization reaction ukususela ngelixa i-agent ye-vulcanizing yongezwa.Eli xesha lokusebenza lithetha ukuba i-30 yemizuzu ye-vulcanization reaction yemveliso ayichaphazeli umgangatho wemveliso egqityiweyo.Ke ngoko, ixesha elininzi ligcinwa kwinkqubo yokusebenza kwemveliso, kokukhona kuluncedo ngakumbi kwimveliso egqityiweyo.

7, ixesha lokuphumla
Ezinye iindawo ziya kuthi lixesha lokunyanga.Ngamanye amazwi, i-vulcanization reaction ye-silica gel iphelile emva kwexesha elide.Oku kuyaphela, oku kuthetha ukuba imveliso sele ikhona, kodwa eneneni kusekho inxalenye encinci yempendulo yokunyanga engekapheli.Ke ngoko, iimveliso ezenziwe ngerabha ye-silicone, njenge-silicone molds, zihlala zithatha ixesha ngaphambi kokuba zisetyenziswe.
Ijeli ye-silica (ijeli ye-silica; i-silica) i-alias: Ijeli ye-silica yinto esebenzayo kakhulu ye-adsorption, eyi-amorphous substance.Indlela yayo yeekhemikhali yi-mSiO2 · nH2O;ayisebenzi ngayo nayiphi na into ngaphandle kwe-alkali eyomeleleyo kunye ne-hydrofluoric acid.Ayinyibiliki emanzini kunye naziphi na izinyibilikisi, ayinayo ityhefu, ayinancasa, kwaye izinzile ngokwekhemikhali.Iindidi ezahlukeneyo zejeli ye-silica zenza izakhiwo ezahlukeneyo ze-microporous ngenxa yeendlela zabo ezahlukeneyo zokuvelisa.Ukwakhiwa kweekhemikhali kunye nesakhiwo somzimba we-silica gel sinquma ukuba sinezinye izinto ezininzi ezifanayo ekunzima ukuzitshintsha: ukusebenza okuphezulu kwe-adsorption, ukuzinza okuhle kwe-thermal, iipropati ezizinzileyo zeekhemikhali, kunye namandla aphezulu omatshini.Ngokobungakanani bobukhulu bayo bepore, ijeli ye-silica yahlulwe yaba: ijeli ye-silica macroporous, ijeli ye-silica erhabaxa, ijeli yohlobo lwe-B, ijeli ye-silica ecolekileyo, njl.

Ixabiso langoku lezinto ze-silicone lizinzile kakhulu, likhuphuka imihla ngemihla, kunzima ukuba sinqume ixabiso.Singenza kuphelaiimbumba ze-siliconengoku.


Ixesha lokuposa: Sep-27-2021