Ilaphu eligqunywe yi-PTFE kunye nelaphu eligqunywe nge-silicone zizinto ezimbini ezidumileyo ezisetyenziswa kumashishini ahlukeneyo, kodwa zineempawu ezahlukileyo ezizibekayo. I-PTFE (i-polytetrafluoroethylene) ilaphu eligqunyiweyo, ekwabizwa ngokuba yiTeflon ilaphu eligqunyiweyo, libonelela ngeempawu ezigqwesileyo ezingeyontonga, ukumelana neekhemikhali, kunye nokunyamezela ubushushu obuphezulu. Kwelinye icala, ilaphu eligqunywe nge-silicone libonelela ngokuguquguquka okugqwesileyo, ukuqina, kunye nokumelana nemozulu. Ukukhetha phakathi kwezi zixhobo kuxhomekeke kwiimfuno ezithile zesicelo, kunye ne-PTFE egqwesileyo kwiindawo ezinobungozi beekhemikhali kunye nezicelo zokushisa okuphezulu, ngelixa i-silicone ikhethwa ngenxa ye-elasticity kunye nokuxhathisa kwe-UV. Ukuqonda lo mahluko kubalulekile ekukhetheni imathiriyeli efanelekileyo kwiprojekthi yakho.
![PTFE Coated Fabric]( "PTFE Coated Fabric")
Ukuthelekisa iiPropati zeMpahla: PTFE vs. I-Silicone Coated Fabrics
Ukubunjwa kweMichiza kunye neNkqubo yokuVelisa
Ilaphu eligqunyiweyo le-PTFE lenziwe ngokufaka umaleko we-polytetrafluoroethylene kwisiseko semathiriyeli, ngokwesiqhelo i-fiberglass. Le nkqubo ibandakanya ubushushu obuphezulu kunye nobuchule obukhethekileyo bokuqinisekisa i-coating efanayo. Isiphumo lilaphu elineempawu ezikhethekileyo ezinganamatheli kunye nokungangeni kweekhemikhali.
Ilaphu eligqunywe nge-silicone, ngokuchaseneyo, iveliswa ngokufaka irabha ye-silicone engamanzi kwi-substrate. Olu gquba luphilisa ukwenza indawo eguquguqukayo, efana nerabha. Inkqubo yokwenziwa kwamalaphu agqunywe nge-silicone ayintsonkothanga ngokubanzi kwaye inokwenziwa kumaqondo obushushu asezantsi xa kuthelekiswa nokwaleka kwe-PTFE.
Ukumelana noBuqondo kunye neePropati zeThermal
Enye yeempawu ezibalaseleyo ze-PTFE ilaphu eligqunyiweyo kukumelana nobushushu obumangalisayo. Iyakwazi ukumelana namaqondo okushisa ukuya kwi-260 ° C (500 ° F) ngaphandle kokuthotywa, okwenza kube yinto efanelekileyo yokusetyenziswa kobushushu obuphezulu kwiindawo zoshishino. Olu uzinzo lwe-thermal sesona sizathu sokuba kutheni i-PTFE ilaphu eligqunyiweyo lihlala likhethwa ukuba lisetyenziswe kwizixhobo zokulungisa ukutya kunye nezityalo zemichiza.
Amalaphu agqunywe nge-silicone, ngelixa ekwazi ukumelana nobushushu, ngokubanzi anomgangatho ophantsi wobushushu. Ngokuqhelekileyo ziqhuba kakuhle ukuya kutsho kuma-200°C (392°F). Nangona kunjalo, iingubo ze-silicone zigcina ukuguquguquka kwazo nakwiqondo lokushisa eliphantsi, elinokuba luncedo kwizicelo ezithile apho ukunyaniseka kwezinto kubalulekile.
Ukunyangwa kweMichiza kunye nokungangeni
Ilaphu eligqunyiweyo le-PTFE liqhayisa ngokuxhathisa okukhethekileyo kweekhemikhali, okushiyekileyo kukungasebenzi phantse kuzo zonke iikhemikhali kunye nezinyibilikisi. Le propati iyenza ixabiseke kwindawo ezonakalisayo kunye nezicelo ezibandakanya iikhemikhali ezinobundlobongela. Ubume be-non-reactive be-PTFE iqinisekisa ukuba ayizosulela okanye ichatshazelwe zizinto ezininzi edibana nazo.
Amalaphu agqunywe ngesilicone akwabonelela ngokufanelekileyo ukumelana neekhemikhali, ngakumbi emanzini nakwizinyibilikisi ezininzi zezinto eziphilayo. Nangona kunjalo, banokuchaphazeleka ekuthotyweni xa bevezwe kwiiasidi ezithile okanye iialkali ezinamandla. Kwizicelo apho ukunganyaniseki kweekhemikhali kuyeyona nto ibalulekileyo, ilaphu eligqunywe yi-PTFE lihlala linomphetho.
Iimpawu zokuSebenza: Ilaphu eliNgqunyiweyo le-PTFE vs. Ilaphu elenziwe ngeSilicone
Ukuqina kunye nokuNxitywa kweNgqondo
Ilaphu eligqunywe yi-PTFE libonisa ukomelela okugqwesileyo kunye nokumelana nokunxiba. Umphezulu ogudileyo, ongabambekiyo we-PTFE wehlisa ukukhuhlana, nto leyo enciphisa ukuguga nokukrazuka. Olu phawu lwenza i-PTFE ilaphu eligqunyiweyo libe lukhetho olubalaseleyo kusetyenziso olubandakanya ukusetyenziswa okuphindaphindiweyo okanye ukuhamba rhoqo kwezinto, njengamabhanti okuhambisa kwizicwangciso zemizi-mveliso.
Iilaphu ezigqunywe nge-silicone, ngelixa zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala khona. Nangona kunjalo, zigqwesa kwizicelo apho ukuguquguquka kunye nokuphindaphinda okuphindaphindiweyo kuyadingeka, njengoko i-silicone yokugqoka i-silicone iyancipha ukukrazula okanye ukukhupha phantsi kwezi meko.
Ukuguquguquka kunye noKulula
Ngokumalunga nokuguquguquka, iingubo ezifakwe i-silicone zinenzuzo ecacileyo. Ubume be-elastomeric be-silicone buvumela ukolula okugqwesileyo kunye neempawu zokubuyisela. Oku bhetyebhetye kwenza amalaphu agqunywe nge-silicone alungele usetyenziso olufuna ukuthotyelwa kweemilo ezingaqhelekanga okanye apho imathiriyeli ifuna ukugoba rhoqo ngaphandle kokuthomalalisa ingqibelelo yayo.
Ilaphu eligqunyiweyo le-PTFE , ngelixa lingabhetyebhetye njenge-silicone, lisabonelela ngokuthembeka. Umgangatho wokuguquguquka unokwahluka ngokuxhomekeke kubukhulu be-PTFE yokwambathisa kunye nelaphu lesiseko elisetyenzisiweyo. Kwizicelo apho ulungelelwaniso phakathi kokumelana neekhemikhali kunye nokuguquguquka kuyadingeka, ilaphu eligqunyiweyo le-PTFE lihlala libonelela ngesisombululo esona sisombululo.
Ukumelana neMozulu kunye nokuzinza kwe-UV
Zombini i-PTFE kunye ne-silicone amalaphu agqunywe nge-silicone anika ukuchasana kwemozulu okugqwesileyo, kodwa kukho umahluko. Ilaphu eligqunywe yi-PTFE lixhathisa kakhulu kwimitha ye-UV, ligcina iipropathi zalo nasemva kokuba sesichengeni selanga ixesha elide. Oku kuyenza ibe lolona khetho lubalaseleyo kwizicelo zangaphandle apho ukusebenza kwexesha elide kubalulekile.
Amalaphu agqunywe ngeSilicone akwabonisa uzinzo oluhle lwe-UV kunye nokumelana nemozulu. Zisebenza ngokukhethekileyo ekugcineni ukuguquguquka kunye nokuthintela ukonakala kwiindawo zangaphandle. Kwizicelo apho kufuneka izinto ezithambileyo, ezithambileyo zokusetyenziswa kwangaphandle okwandisiweyo, amalaphu agqunywe nge-silicone ahlala eluncedo.
Ukufaneleka kweSicelo: Ukukhetha phakathi kwe-PTFE kunye ne-Silicone Coated Fabrics
Izicelo zoShishino nezeMveliso
Kwiisetingi zemizi-mveliso, ilaphu eligqunyiweyo le-PTFE lihlala likhokela ngenxa yokumelana nemichiza ephezulu kunye nokunyamezelana kobushushu obuphezulu. Idla ngokusetyenziswa kwizityalo zokusetyenzwa kweekhemikhali, apho izinto ezonakalisayo kunye nobushushu obuphezulu ziyimingeni yemihla ngemihla. Iibhanti zokuhambisa ezigqunyiweyo ze-PTFE, umzekelo, zilungele amashishini okulungisa ukutya, anikezela ngomphezulu ongeyontonga othintela ukuncamathela kwemveliso kunye nokwenza lula iinkqubo zokucoca.
Iilaphu ezigqunywe nge-silicone zifumana i-niche yazo kwizicelo zamashishini apho ukuguquguquka kubalulekile. Zihlala zisetyenziswa kumalungu okwandisa, izihlanganisi eziguquguqukayo, kunye neengubo zokugquma. Ukukwazi kwe-silicone ukugcina iipropati zayo kuluhlu olubanzi lweqondo lokushisa kwenza ukuba lulungele izicelo ezibandakanya ukujikeleza kwe-thermal.
Usetyenziso lwezokwakha kunye nolwakhiwo
Kwindawo yolwakhiwo kunye nokwakhiwa, zombini izixhobo zinendawo yazo. Ilaphu eligqunyiweyo le-PTFE lisetyenziswa rhoqo kwizakhiwo ezixineneyo kunye nokufakwa kophahla. Ukuqina kwayo, ukumelana nemozulu, kunye neempawu zokuzicoca zenza ukuba ibe lolona khetho lubalaseleyo kwizakhiwo zangaphandle ezihlala ixesha elide. Ilaphu eligqunywe yiTeflon elisetyenziswe kwezi zicelo linokugcina inkangeleko yalo kunye nokusebenza amashumi eminyaka.
Iingubo ezifakwe kwi-silicone zihlala zikhethwa kwizakhiwo ezivuthayo kunye nezakhiwo zesikhashana. Ukuguquguquka kwabo kunye nokulula kokusonga kubenza ukuba balungele izakhiwo ezinokuhanjiswa. Ukongezelela, iipropati ze-silicone ezithintela umlilo zinokuba luncedo kwizicelo ezithile zokwakha apho ukhuseleko lomlilo luyinkxalabo ephambili.
Usetyenziso olukhethekileyo kumaShishini ahlukeneyo
Ukhetho phakathi kwe-PTFE kunye ne-silicone ilaphu eligqunywe liba li-nuanced kwizicelo ezikhethekileyo. Kwishishini le-aerospace, ilaphu eligqunywe yi-PTFE lihlala lisetyenziselwa iilitha zetanki zamafutha kunye nokugquma ngenxa yokungangeni kwemichiza kunye nokuxhathisa ubushushu. Indawo yezonyango isebenzisa ilaphu eligqunywe yi-PTFE kwizixhobo ezifakelwayo kunye nezixhobo zokwenza utyando, zisebenzise i-biocompatibility yayo kunye neempawu ezingabambekiyo.
Amalaphu agqunywe nge-silicone afumana izicelo kwishishini leemoto kwiingxowa zomoya kunye nezikhuselo ezikhuselayo. Ukukwazi kwabo ukuhlala beguquguquka kumaqondo obushushu aphezulu kubenza bafanelekele la macandelo abalulekileyo okhuseleko. Kwishishini lezemidlalo kunye nokuzonwabisa, amalaphu e-silicone e-silicone asetyenziswa kwiinqanawa ezivuthayo kunye nezixhobo zangaphandle, apho ukudibanisa kwabo ukuhlala kunye nokuguquguquka kuxabiswa kakhulu.
Ukuqukumbela
Ukuqukumbela, ukhetho phakathi kwelaphu eligqunywe nge-PTFE kunye nelaphu eligqunywe li-silicone lixhomekeke kwiimfuno ezithile zesicelo sakho. Ilaphu eligqunywe yi-PTFE, elinokumelana neekhemikhali ezikhethekileyo kunye nokunyamezelana kobushushu obuphezulu, lilungele imeko-bume yemizi-mveliso kunye nezicelo ezifuna iipropati ezingabambekiyo. Ilaphu eligqunywe ngesilicone, kwelinye icala, libonelela ngokuguquguquka okuphezulu kwaye lisebenza kakuhle kwizicelo ezifuna ukuqina kunye nokumelana nemozulu. Zombini izixhobo zinamandla azo ahlukileyo, kwaye ukuqonda lo mahluko ngundoqo ekukhetheni ilaphu elilungileyo kwiimfuno zeprojekthi yakho.
Qhagamshelana nathi
Kumgangatho ophezulu we- PTFE izisombululo zelaphu eligqunywe , ungajongi ngaphaya Aokai PTFE . Njengomvelisi ohamba phambili we-PTFE ilaphu le-fiberglass eqatywe, sinikezela ngoluhlu olubanzi lweemveliso ukuhlangabezana neemfuno zakho ezithile. Ukuzinikela kwethu ekugqweseni kuqinisekisa ukuba ufumana izixhobo eziphezulu kunye nenkonzo ekhethekileyo. Ukuphonononga ukuba i-PTFE yethu ilaphu eligqunywe lingayinceda njani iprojekthi yakho, qhagamshelana nathi namhlanje mandy@akptfe.com.
Iimbekiselo
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UZhang, Y., et al. (2023). Iziphumo zobushushu kwi-PTFE kunye ne-Silicone Coated Textiles. I-Polymer Science and Technology, 37 (4), 401-415.
UBrown, AK (2020). Ukunyangwa kweMichiza yamalaphu aNamhla agqunywe. Inkqubela phambili yobuNjineli beMichiza, i-116 (8), i-45-53.
UDavis, ME (2022). Ukusetyenziswa koYilo lweMiqathango eDityanisiweyo ePhezulu. Isakhiwo kunye nokusiNgqongileyo, 203, 108089.
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