Ngaba uNyango lweFlame lungamkelwa uLungiso loMphezulu we-PTFE Substrates? Ukuthelekiswa kweziphumo kunye neCorona kunye noNyango lwePlasma
Ingcaciso ngu PTFE High-Ubushushu Abavelisi Fabric
I. Ukubanakho koNyango lweFlame kwi-PTFE
Ukusebenza kweshishini: Ngokomgaqo, unyango lwedangatye lunokuqonda ukuguqulwa komphezulu we-PTFE. Nangona kunjalo, ayifane yamkelwe kwimizi-mveliso, kwaye umphumo wayo ungaphantsi kakhulu kunyango lweplasma. I-PTFE abavelisi belaphu lobushushu obuphezulu abayicebisi njengendlela eqhelekileyo.
Imingcipheko yoKhuseleko: I-PTFE ithanda ukubola phantsi kobushushu obuphezulu bedangatye, ikhupha iigesi ezinetyhefu ephezulu njengehydrogen fluoride kunye ne-perfluoroisobutylene, ezibeka iingozi ezinzulu kubasebenzi kunye nokusingqongileyo. Amanyathelo okukhusela angqongqo anyanzelekile.
Umlinganiselo wokuSebenza: Naphantsi kolawulo oluchanekileyo, i-oxidation yomlilo inokuphakamisa kuphela amandla omhlaba we-PTFE ukusuka kwi-18 mN/m ukuya kwi-30–35 mN/m. Umonakalo we-thermal kumphezulu wenza ngokulula umaleko womda obuthathaka, okukhokelela ekuphuculeni okulinganiselweyo kokusebenza kokunamathela.
II. Ukuthelekiswa kweeNdlela zokuSebenza zeeNkqubo eziNtathu
UNyango lweFlame: Ukuxhomekeka kwi-oxidation yexeshana ephezulu yobushushu obungaphezulu kwe-1000 °C ukusuka edangatyeni, ifezekisa i-etching encinci kwaye yazisa inani elincinci lamaqela aqulethe i-oksijini, kodwa ibonisa ukusebenza kakubi ekwaphuleni izibophelelo ezizinzileyo ze-C-F.
Unyango lweCorona: Ukukhutshwa kwe-voltage ephezulu kuvelisa i-ozone kunye neoksijini esebenzayo, ukudibanisa ibhombu yomzimba kunye ne-oxidation epholileyo. Ngenxa yoxinano lwamandla asezantsi, ayiqhawuki iibhondi ezizinzileyo ze-C–F.
Unyango lwe-Plasma: Amasuntswana anamandla aphezulu, ii-electron kunye ne-radicals yamahhala ziqhawula ngokuthe ngqo iibhondi ze-C-F, kunye namaqela e-graft polar afana ne-hydroxyl, i-carboxyl kunye namaqela e-amino ukuphumeza ukuxutywa kweekhemikhali, ukuhambisa ukuguqulwa kwendawo enzulu kakhulu.
Amandla oMphezulu kunye namandla okubambelela: I-plasma ye-oxygen ephantsi yoxinzelelo inokunyusa i-PTFE amandla omhlaba ukuya kwi-50-65 mN / m kunye namandla okubambelela afikelela kwi-8-15 MPa. I-Flame kunye ne-corona yonyango iphakamisa amandla angaphezulu kwi-30-38 mN / m, kwaye amandla okubambelela ngokubanzi angaphantsi kwe-2 MPa, ehamba kunye nokungaphumeleli kwe-interface.
Ukufana: Unyango lwe-Plasma (ngokukodwa kumagumbi okufunxa aphantsi) lubonelela ngonyango olufanayo kuwo wonke umhlaba. Unyango lweCorona lulungele kuphela iifilim ezisicaba kwaye lwenza iindawo ezingaboniyo kwi-3D workpieces. Unyango lomlilo lubangela ngokulula ukutshisa kwendawo okanye unyango olungonelanga kwiindawo ezinobumba obuntsonkothileyo.
Ukuguga Ukuzinza: Iileya eziguquliweyo zePlasma zihlala zizinzile kangangeeveki ezininzi ukuya kwiinyanga, kwaye ukuguqulwa kwegrafti kwandisa ixesha elivumelekileyo. Isiphumo sonyango lomlilo lubola kwiiyure ezininzi ukuya kwiintsuku. Unyango lweCorona luphulukana nokusebenza kwimizuzu emininzi ukuya kwiiyure ezininzi ngenxa yokuhlengahlengiswa ngokukhawuleza kwamatyathanga emolekyuli.
IV. UVavanyo oluBanzi kunye neziSombululo eziCetyisiweyo
Umgangatho wesiphumo: Unyango lwePlasma > Unyango lomlilo > Unyango lweCorona. Unyango lweCorona alusebenzi kwi-PTFE. Unyango lwedangatye lungcono kancinci kunonyango lwe-corona, ngelixa kukho umsantsa wokusebenza wokuvelisa xa kuthelekiswa nonyango lwe-plasma.
Ukukhethwa kweNkqubo: Kwiimfuno ezithembekileyo zokubambelela, unyango oluphantsi lwe-plasma okanye i-sodium-naphthalene chemical etching lukhetho lokuqala. I-plasma yoxinzelelo lwe-atmospheric inokuthathelwa ingqalelo kwi-inline film processing. Unyango lomlilo lukhawulelwe kuphela kuvavanyo olugqithisileyo xa izixhobo zeplasma zingekho kwaye i-PTFE iyafuneka, ngolawulo olungqongqo kubushushu kunye nomoya. Unyango lwe-Corona alukhuthazwa ukuba lusebenze i-PTFE.
Ukhuseleko Phantsi: Nayiphi na inkqubo yobushushu obuphezulu esetyenziswa kwi-PTFE kufuneka ixhotyiswe ngezixhobo zokujonga igesi yehydrogen fluoride kunye nezinye iigesi eziyityhefu kunye neenkqubo zokuphefumla ngenkani ukuthintela ukuqokelelana kweemveliso zokubola okunetyhefu kunye nokuqinisekisa ukhuseleko lokusebenza.
Olu lwazi lungentla lunikezelwa ngu IJiangsu Aokai yeTekhnoloji eNtsha yeTekhnoloji Co., Ltd.
Ukuba ufuna ukufunda iinkcukacha ezicacileyo, iimeko zesicelo kunye nezisombululo ezilungiselelwe uluhlu olupheleleyo lweemveliso zethu ezibandakanya amalaphu e-PTFE anobushushu obuphezulu, iiteyiphu ezincamathelayo ezinobushushu obuphezulu be-PTFE, amabhanti e-mesh anobushushu obuphezulu be-PTFE, amabhanti omatshini wokufunxa angenamthungo, amalaphu e-PTFE asecaleni elinye, anganyangekiyo ngelaphu elinobushushu obuphezulu kunye ne-fiberglass enobushushu obuphezulu. nceda uqhagamshelane nathi ngokusebenzisa iindlela ezingezantsi:
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