Inweta nguzogide okpomọkụ karịrị ogo 300 na bọọdụ ụfụfụ silicone na-eweta ihe isi ike dị ukwuu, n'ihi na ihe eji eme silicone na-arụkarị ọrụ n'ime ogo ogo 60 ruo 200 n'oge ogologo oge-, yana oke okpomọkụ dị mkpụmkpụ nwere ike iru ogo 250. Mgbe okpomọkụ karịrị ọnụ ụzọ a, ọkpụkpụ azụ nke polymer na-amalite ịla n'iyi, na-eme ka ihe na-agbaji agbaji, nkwụsị nke ngbanwe, na nchacha.
Iji nweta nguzogide okpomọkụ nke ihe karịrị ogo 300, ọ dị mkpa iji mepụta atụmatụ zuru oke na njikarịcha site na ihe bụ isi, usoro nkwado, okpomọkụ{1} ihe mgbakwunye na-eguzogide, usoro ụfụfụ na nhazi nhazi.
Isi ụzọ teknụzụ na ntụle maka imezu ebumnuche a bụ ndị a:
I. Nhọrọ na nkwalite nke ihe ndị bụ isi
Nke a bụ nzọụkwụ kacha mkpa.
Jiri rọba silicone phenyl dị elu:
Ụkpụrụ: rọba silicone nkịtị (methyl vinyl silicone roba) nwere oke nguzogide okpomọkụ. Iwebata otu phenyl (karịsịa ọdịnaya dị elu nke akụkụ diphenylsiloxane chain) na siloxane isi yinye nwere ike imeziwanye ihe mgbochi ọkụ nke ihe.
Arụmọrụ: Ọdịdị dị ukwuu nke mgbanaka benzene na mmetụta njikọ ya nwere ike ichebe ma mee ka okpomọkụ dị jụụ-Sị{1}O bonds, si otú a na-egbochi mmebi ikuku cyclization thermal na nbibi oxidative nke yinye polymer. Elu -phenyl silicone roba nwere ike idi ogologo oge-okpomọkụ ruo 250-300 ogo na obere oge okpomọkụ gafere ogo 350.
Jiri silica fumed dị ka ihe na-agba ume:
Mkpa: Gel silica na-akwadoghị nwere ike dị oke ala. Silica fumed (nanoscale silica) bụ naanị ihe na-agba ume nke nwere ike inye ike nke silica gel chọrọ.
Ihe achọrọ: Ga-ejiri silica dị elu- dị ọcha nwere ọgwụgwọ pụrụ iche, nha obere ihe na nnukwu akụkụ elu. Ọ nwere ike ịmepụta nano siri ike nano{2} nhazi netwọk n'ime matriks silica ma jikwaa ụfọdụ ihe eji arụ ọrụ ọbụlagodi na oke okpomọkụ.
II. Usoro mgbakwunye okpomọkụ na-eguzogide
O zughị ịdabere na ihe ndị bụ isi naanị, yana ọkụ pụrụ iche - a ga-etinyerịrị ihe mgbakwunye na-eguzogide iji "chebe na iduga".
Ọkụ stabilizer:
1)Iron oxide (Fe₂O₃): Nke a bụ ihe mgbakwunye ọkụ kacha kpochapụ ma dị irè{1} A na-ejikarị uhie -aja aja -Fe₂O₃. Ọ na-ejide radicals efu nke na-awakpo ọkpụkpụ azụ siloxane na oke okpomọkụ ma na-eme ka nhazi nke siloxane kwụsiri ike - carbon, si otú ahụ na-egbochi mmebi ọkpụkpụ azụ. Usoro onunu ogwu na-abụkarị site na 0.5 ruo 3 akụkụ.
2)Cerium oxide (CeO₂) bụ ụwa na-adịghị ahụkebe{1}nke na-ekpo ọkụ na-eguzogide{2}, karịsịa mgbe ejikọtara ya na Fe₂O₃. Ọ na-egbochi condensation na oxidation nke otu silanol nke ọma.
3) Ihe ndị ọzọ na-adịghị ahụkebe ụwa, dị ka lanthanum oxide (La₂O₃), na-egosikwa nkwụsi ike dị mma.
Họrọ sistemu vulcanization kwesịrị ekwesị:
1) Peroxide vulcanization: Maka ihe ndị na-afụ ụfụfụ, peroxides (dị ka bis(2,5-tertiary)peroxide) ka a na-ejikarị eme ihe na-akpachapụ anya. Ọ dị mkpa ịhọrọ peroxides nwere ngwaahịa ire ere kwụsiri ike na ihe ndị na-adịghị emebi emebi, ebe ị na-ahụ na vulcanization zuru oke iji gbochie ihe ndị fọdụrụnụ ka ọ ghara imebi n'okpuru oke okpomọkụ.
2) Platinum sulfide (mgbakwunye sulfide) bụ nhọrọ kacha amasị mgbe ụfụfụ{1}} na-emepụta usoro ikike. Obe ya -Sistemụ ejikọtara{{4}C na-egosipụta nkwụsi ike dị elu ma e jiri ya tụnyere C{5}C bonds in peroxide{6} sistemu dabere, na-enweghị ihe fọdụrụ ire ere. Agbanyeghị, sistemu platinum - na-achọ usoro siri ike na njikwa gburugburu ebe obibi ma na-enwekarị nsị.
III. Ihe ịma aka nke usoro ịfụfụ
Mgbe ị na-achụso elu okpomọkụ iguzogide, ọ dịkwa mkpa iji nweta otu na kwụsiri ike ụfụfụ Ọdịdị.
Ihe na-emepụta ụfụfụ kemịkalụ: Okpomọkụ ire ere kwesịrị kwekọọ na okpomọkụ vulcanization, na ngwaahịa ire ere kwesịrị ịbụ gas inert (dị ka nitrogen). Ihe fọdụrụ na ire ere ekwesịghị ịkpata mmebi nke matriks gel silica.
Ọfụfụ anụ ahụ: Teknụzụ dị ka ịfụfụ mmiri dị oke egwu nwere ike zere nsogbu nke ihe ndị na-eme ka ịfụfụ kemịkalụ, mana itinye ego akụrụngwa buru ibu na usoro a siri ike.
Isi ihe: N'agbanyeghị usoro ịfụfụ a na-eji, ọ dị mkpa iji hụ na nhazi cell ahụ kwụsiri ike na mgbidi cell dị oke. Ọdịdị cell mepere emepe ma ọ bụ mgbidi cell na-adịghị ike ga-ada ma ọ bụ gbajie ngwa ngwa na oke okpomọkụ, na-ebute mbelata nke ukwuu na arụmọrụ mkpuchi ọkụ.
IV. Nhazi na biputere{1}Nhazi nhazi
Mmụba njupụta/Welata afụ: N'ihe gbasara imezu oke na ịdị nro chọrọ, n'ụzọ kwesịrị ekwesị mụbaa njupụta nke bọọdụ ụfụfụ (ya bụ, belata nha ụfụfụ) nwere ike nweta oke ọkụ ma nwekwuo ọkụ- mgbidi oghere na-eguzogide, si otú a na-emeziwanye nguzogide okpomọkụ na ike igwe.
Nhazi ihe mejupụtara: Tụlee ịmepụta ihe owuwu "sandwichi", dịka ọmụmaatụ, nwere akụkụ abụọ nke ihe nkiri sịlịkọn na-adịghị eguzogide ọkụ{{1} ma ọ bụ ihe mejupụtara akwa iko, yana oyi akwa na-afụ ụfụ n'etiti. Nke a nwere ike ichebe ihe owuwu porous na-esighi ike pụọ na ikpughe na gburugburu ebe okpomọkụ dị elu.
Bipute -oke okpomọkụ vulcanization: Bọọdụ ụfụfụ a kpụrụ kwesịrị ka ebisa ya nke ọma{1}}ọkụ dị elu vulcanized (dịka eghe ruo ọtụtụ awa na 200-250 degrees) iji wepụ kpamkpam molecular volatiles na kwụsie ike na crosslinking netwọk, nke dị oké mkpa maka ogologo oge okpomọkụ okpomọkụ.