Views: 0 Omuwandiisi: Site Editor Obudde bw'okufulumya: 2026-07-14 Ensibuko: Ekibanja
Ebirimu
Abakola bakwata MQsiliconeremu nga coretackifier era n’ekirungo ekinyweza, okwongera ku MQ/gumratioto1.2:1–2:1(esinga nnyo ku ddaala erya bulijjo).ThishighMQratioformcontinuous rigid'hard-phase'microdomainwithinheadhesivelayer, eziziyiza entambula ya siloxane chainsgments era zirongoosa nnyo modulo y'okutereka era nga ziziyiza ebbugumu erigulumivu.
Ebibinja bya phenyl,diphenyl, oba carboranebiyingizibwa mu mugongo gwa polydimethylsiloxane(okugeza, 20–30mol%phenyl contentt)okuziyiza entambula y’olujegere lw’ebbugumu n’okusitula ebbugumu ly’okutambula kw’endabirwamu n’okusitula rmaldecompositiontemperature.Enkola y’okuyunga esinga kukozesa kulongoosa-okuwonya amazzi (Pt-catalyzed), okukola–C–C–oba–Si–C–okusala omutala n’obutebenkevu obw’ebbugumu obw’oku ntikko.
Nga tutereeza obulungi ebirimu haidrojeni ekola n’obuwanvu bw’olujegere olwa silikoni erimu haidrojeni, Mc ntono nnyo era emu (nga 5,000–15,000g/mol) etuukiddwako, okukakasa nti akatimba omulimu gukuuma obugumu obusingako mu bbugumu ery’amaanyi.Ekigaziyiziddwa oluvannyuma lw’okuwonya oba ebbugumu erya waggulu kiweebwayo ku bibinja ebisigadde ebiddamu ebikozesa n’okukendeeza okuwummuzibwa okw’amaanyi okuleetebwa obulema ku mutimbagano.
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Abakola bakola silika ow’omukka (ekitundu ekigere ku ngulu200–380m²/g), okulongoosebwa kungulu ne vinyltriethoxysilane oba hexamethyldisilazane, okutikka 10–25wt%.Thenano-SiO2 ekola ebiyungo bya haidrojeni n’okusikiriza okw’omubiri n’enjegere za siloxane, ne zitonda reversiblephysicalcrosslinkingnetwork that dissipatesenergyand prevents molecularchains slippageathight temperatures.Okusaasaana okw'okusala okw'amaanyi kukakasa nti silika abeerawo'ebibinja'nga ebinene ebinene wansi wa 100nm, okwewala okusengejja situleesi.
Okwongerako 1–5wt% layer ntono oba organo-modified nano-montmorillonite, nga etunudde mu layeri mu ngeri ey’okukola okuyita mu kusengejja okuleetebwa okusala mu kiseera ky’okusiiga, kikola 'mazeeffect'paralleltothetapep lane,kwongera nnyo obuziyiza ku ntambula y’olujegere lwa molekyu mu ndagiriro y’okusala.Grapheneal zirimu obutambuzi bw’ebbugumu obulungi ennyo, ekikendeeza ebifo eby’ebbugumu mu layeri eyeekwata n’okuteeka okugonvuwa kw’ebbugumu.
Ensimbi za PTFE zisooka kulongoosebwa n’ekizimbulukusa kya sodium–naphthalene–THF oba argon/oxygenplasma eya puleesa entono okukola layeri ekoleddwa erimu ebibinja bya carboxylandhydroxyl.Aprimersolution erimu molekyu ezikola bibiri(okugeza, isocyanatesilane, titanatecouplingent+epoxysilane)kiba kya mangu ddala ated.Omu ku primerekola ne–OH/–COOHkuPTFEsurface, ate nga endala enkomerero yeetaba mu hydrosilylation oba condensation crosslinking ne siliconeadhesive, ekola omukutu gwa kemiko oguyingira mu interface.Enkola eno esobola okwongera ku maanyi agakwata ebbugumu erya waggulu(ku 260°C) emirundi 3–5.
Arampedcuringprofileesemployed:okusooka, ebizimbulukusa bivugibwa ne layeri z’okusiiga bibeera ku ddaala ku 80–100°C;oluvannyuma hydrosilylation n’okupakinga MQresina ne kuggwa ku 150–170°C;okusembayo, post -okuwonya kukwatibwa ku 200–220°C okumala essaawa eziwera okumalawo amaanyi ag’omunda n’okutebenkeza ebifo ebisalasala eby’omubiri.Okunyogoza mpola kuziyiza enjatika entonotono olw’okukendeera kw’ebbugumu okw’enjawulo.
Amawulire ago waggulu gaweebwaJiangsuAokaiEbyuma EbipyaTekinologiyaCo.,Ltd.
Bw’oba oyagala okufuna okumanya okw’obuziba ku bintu byonna–omuli Teflon olugoye olw’ebbugumu eringi,Teflontape ey’ebbugumu eringi,Teflon omusipi ogw’ebbugumu eringi,emisipi egitambuza ebitaliiko musonno egy’ebyuma ebisiba,olugoye olw’oludda olumu olwaPTFE, high-temperatureresistant conveyorbelts,high-temperatureresistant fiberglassfabric,n’ebirala–wamu n’ebikwata ku nsonga ezikwata ku nsonga eno, enkola z’okukozesa, n’okugonjoola ebizibu, nsaba owulira nga oli wa ddembe okukwatagana ng’oyita mu mikutu gino wammanga:
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