Yiba nomfanekiso usebenzisa Iteyiphu ye-PTFE yobushushu obuphezulu kwitanki yekhemikhali, isisongelo sentambo yolwandle, okanye isicelo sokutywina sangaphantsi kwamanzi. Iteyiphu ifakwe emanzini iiveki okanye iinyanga. Ngaba iya kubamba? Ngaba i-adhesive iya kusilela? Ngaba i-fiberglass izothamba?
Impendulo ayilula. I-PTFE ngokwayo – 'iKumkani yeePlastiki' - ayisebenzi ngokwekhemikhali phantse kuzo zonke izinto. Kodwa i-PTFE tape ingaphezulu nje kwe-PTFE: ine-fiberglass substrate kunye ne-adhesive-sensitive adhesive (PSA) ngasemva. La macandelo aziphatha ngendlela eyahlukileyo kakhulu phantsi kokuntywiliselwa ixesha elide.
I-Aokai PTFE ivavanye amabakala amaninzi eteyiphu kwiimeko zokuntywiliselwa. Eli nqaku liqhekeza imingcipheko yamanzi, amanzi etyuwa, kunye nezisombululo zemichiza - kwaye ichaza ukuba zeziphi iintlobo zokunamathela ezisindayo.
Umgaqo-siseko uwonke-i-PTFE Substrate Yomelele, Incamathela ebuthathaka
Kwiiteyiphu zobushushu obuphezulu be-PTFE phantsi kokuntywiliselwa ixesha elide, ukusebenza ngokubanzi kunokushwankathelwa ngolu hlobo:
Izinto ezisisiseko ze-PTFE: Egqwesileyo – inert ngokwekhemikhali, ayifunxayo, izinzileyo ngokomlinganiselo.
I-Fiberglass substrate: Isesichengeni - inokuthamba emanzini ixesha elide.
I-Adhesive layer: Eyona ndawo ibuthathaka - ithotywa phantsi kokuvezwa ixesha elide kumanzi, i-solvents, okanye iikhemikhali.
Icandelo |
Ukusebenza phantsi kokuntywiliselwa |
Imo Yokusilela |
PTFE ukutyabeka |
Egqwesileyo |
Akukho nanye - ihlala ingasebenzi |
Ilaphu leFiberglass |
Phakathi |
Ukuthambisa, ukuncipha kwamandla emva kweeveki/iinyanga |
I-Silicone PSA |
Kulunge kumahlwempu |
Ukulahleka kokunamathela, ukudumba, ukuxobuka |
Acrylic PSA |
Ihlwempu kakhulu |
Ukuthotywa ngokukhawuleza emanzini / kwi-solvents |
Ixesha elide lemingcipheko yokuntywiliselwa emanzini
Indlela amanzi ayichaphazela ngayo iteyiphu:
Umaleko wokuncamathelisa: I-silicone encamathelayo kuxinzelelo-sensitive yenziwa buthathaka kukuvezwa ixesha elide kwiimolekyuli zamanzi. Amanzi angena kwi-adhesive-substrate interface, ukunciphisa ukubambelela kwaye ekugqibeleni kubangela ukungaphumeleli ngokupheleleyo. Amandla e-Peel angehla ukuya kuthi ga kwi-40% emva kweeyure ezingama-48 zokuntywiliselwa emanzini kwezinye iindlela zokuxutywa.
I-Fiberglass substrate: Uninzi lweeteyiphu ze-PTFE zobushushu obuphezulu zisebenzisa ilaphu le-fiberglass elimiliselwe nge-PTFE njenge-substrate. I-Fiberglass iya kuthamba emanzini ixesha elide, okukhokelela ekunciphiseni kumandla omatshini weteyiphu. Le yinkqubo ecothayo (iiveki ukuya kwiinyanga) kodwa ayinakuguqulwa.
Kunini kwamkelekile ukuntywiliselwa emanzini?
Uqhagamshelwano lwexesha elifutshane (ukuhlamba, ukutshiza, ukucoca ngokufutshane) - kulungile.
Ukuntywiliselwa ngokuqhubekayo kangangeentsuku okanye iiveki - akukhuthazwa kwiiteyiphu ze-silicone zePSA.
Ukusetyenziswa ngokusisigxina phantsi kwamanzi, qwalasela iteyiphu yePTFE encamathelayo engancamathiseliyo enokulungiswa koomatshini.
I-Aokai PTFE icebisa abathengi ukuba iteyiphu ye-silicone ye-PSA esemgangathweni ifanelekile kwizicelo ezinoqhagamshelwano lwamanzi ngamaxesha athile (umzekelo, ukuhlamba ukutya okucoca) kodwa kungekhona ukuntywiliselwa ngokuqhubekayo ngaphaya kweeyure ze-72. Ubude bexesha elide, sincoma i-fluorosilicone adhesive okanye i-adhesive-free grade.
Ukuntywiliselwa emanzini etyuwa – uMngcipheko oPhezulu
Xa kuthelekiswa namanzi acocekileyo, amanzi anetyuwa ayingozi enkulu:
I-chloride ion ikhawuleza ukungena kunye nomonakalo kwi-adhesive layer.
Amanzi etyuwa abangela ukuthotywa okuqatha ngakumbi kwi-fiberglass substrates - imicu yeglasi inokuphuma kwaye ibe buthathaka.
I-crystallization yetyuwa ngexesha lokumisa imijikelo inokuphazamisa ngomatshini i-adhesive bond.
Ingcebiso: Musa ukusebenzisa iteyiphu esemgangathweni ye-PTFE yokuntywiliselwa ixesha elide emanzini anetyuwa (umzekelo, ukusonga iintambo zolwandle, izivamvo zangaphantsi kwamanzi). Sebenzisa i-perfluoropolyether (PFPE) yokuncamathelisa okanye i-PTFE engancamathiseliyo enomatshini wokubamba.
Ukucwiliswa kweSisombululo seMichiza - Kuxhomekeke ngokupheleleyo kwi-Adhesive
Iiteyiphu ze-PTFE zigqwesa ekuxhathiseni imichiza - kodwa oku kuxhomekeke kakhulu kuhlobo lokuncamathelisa. Iingozi phantsi kokuntywiliselwa kweekhemikhali zihluka kakhulu.
Uhlobo oluncamathelayo |
Ukumelana nemichiza |
Isindululo seSicelo |
Acrylic PSA |
Ihlwempu - ayinakumelana ne-acids eqinile, i-alkalis eqinile, okanye i-solvents ezininzi zezinto eziphilayo |
Ithintelwe ngokungqongqo kuyo nayiphi na ikhemikhali yokuntywiliselwa |
I-PSA yeSilicone eqhelekileyo (eqhelekileyo) |
Imodareyitha - ixhathisa amanzi, i-asidi ebuthakathaka, i-alkali ebuthakathaka, kunye nezinye izinyibilikisi. Iyasilela phantsi kokuntywiliselwa ixesha elide kwiiasidi ezomeleleyo ezigxininisiweyo, ialkalis ezomeleleyo, kunye nezinyibilikisi eziphezulu zepolar (umzekelo, i-acetone, i-MEK) |
Ifanele kuphela ukhuseleko lwekhemikhali yokuchaphaza okukhanyayo - hayi ukuntywiliselwa ngokuqhubekayo |
Fluorosilicone Modified PSA |
Ilungile - iphezulu kakhulu kune-silicone eqhelekileyo ekuchaseni imichiza; imelana nokuntywiliselwa ixesha elifutshane |
Ilungele ukucwiliswa kwexesha eliphakathi (iintsuku ukuya kwiiveki) kunye neemeko ezichasene ne-corrosion |
Perfluoropolyether / Fluorine-based Adhesive |
Okugqwesileyo - kuhambelana nokumelana nemichiza ye-PTFE substrate; engachatshazelwanga ziikhemikhali eziqhelekileyo |
Ikhethwa kwindawo ezonakalisa kakhulu kunye nokuntywiliselwa ixesha elide (iinyanga). Iindleko eziphezulu. |
Iteyiphu ye-PTFE enyulu (Ayinamathelisi) |
Okuphezulu - akukho ziphene ezinxulumene ne-adhesive; Ukumelana neekhemikhali kuyafana ne-PTFE substrate |
Inketho ephezulu yokuntywiliselwa kolwelo. Ifuna ukulungiswa koomatshini (ukutywinwa kwemisonto, ukubotshwa kwebholiti, ukubopha ucingo) |
Ipropati |
PTFE Substrate |
I-Adhesive Layer |
Amanqaku |
Amandla e-Peel |
N / A |
Inokwehla nge-40% emva kokuntywiliselwa emanzini iiyure ezingama-48 (kwi-UV-enyangekayo yePSA) |
Isalathisi esiphambili sokungaphumeleli kweteyiphu |
Tensile strength |
Akukho lahleko emva kweentsuku ezingama-200 kwi-250°C |
N / A |
Iibhondi zeCF zibonelela ngozinzo olubalaseleyo |
Ukudumba |
Akukho nanye – nakwi-98% H₂SO₄ okanye 40% HF |
Ukudumba kwizinyibilikisi (toluene, acetone, MEK) |
Ukudumba okuncamathelayo kukhokelela ekuphakanyisweni komphetho |
Ukunyangwa kokuMhlwa |
> 95% amandla okuqina agcinwe emva kwe-168h ekubiliseni ama-37% eHCl |
Iyahluka ngokohlobo |
I-Fiberglass inokuhlaselwa yi-HF kunye neziseko ezinamandla |
Ukugqunywa koMbane |
Uthembekile |
Ukuthotywa kunganciphisa amandla e-dielectric |
Khetha iimveliso ezihlangabezana neemfuno zokugquma |
I-key takeaway: I-PTFE substrate izinze ngokumangalisayo. Phantse yonke imingcipheko yokuthotywa ivela kwi-adhesive kwaye, ukuya kwinqanaba elingaphantsi, i-fiberglass substrate.
IsiShwankathelo kunye neSikhokelo soKhetho lweSicelo sokuntywiliselwa
Indawo yokuntywiliselwa |
Uhlobo lweTape olucetyiswayo |
Ngoba |
Amanzi amatsha, ngamaxesha |
I-silicone esemgangathweni yePSA |
Yamkelekile ukutshiza, iwashdowns |
Amanzi amatsha, aqhubekayo (>iintsuku ezisi-7) |
I-Fluorosilicone PSA okanye i-adhesive-free |
I-silicone eqhelekileyo iya kulahlekelwa ukunamathela |
Amanzi anetyuwa, naliphi na ixesha |
I-PTFE engancamathiseliyo + ukulungiswa koomatshini |
Ityuwa ihlasela zombini iglu kunye ne-fiberglass |
I-acids / iziseko ezibuthathaka (pH 4-10), ziphakathi |
I-silicone esemgangathweni yePSA |
Yamkelekile |
I-acids ezinamandla / iziseko, i-solvents eziphilayo, eziqhubekayo |
I-PTFE engancamathiseliyo (ukulungiswa koomatshini) okanye ukuncamathelisa kwePFPE |
Kuphela ngaba basindayo |
Ukuntywiliselwa kobushushu obuphezulu (>150°C) |
I-Silicone okanye i-fluorosilicone PSA |
I-Acrylic iyasilela; I-PTFE substrate ilungile |
Isishwankathelo , iteyiphu ye-PTFE yobushushu obuphezulu ingasetyenziswa kwizicelo zokuntywiliselwa - kodwa kuphela ukuba uyawaqonda amanqaku abuthathaka. I-PTFE substrate phantse ayinakoyiswa. I-fiberglass isengozini ngokuphakathi. I-adhesive ngowona mngcipheko wokusilela.
Ukucwiliswa kwamanzi ahlambulukileyo phantsi kweeyure ezingama-72, i-PSA eqhelekileyo ye-silicone iyamkeleka. Ixesha elide, amanzi etyuwa, okanye iikhemikhali ezinobundlobongela, phucula kwi-fluorosilicone, i-PFPE adhesive, okanye-iyona nto ingcono - iteyiphu ye-PTFE engancamathiseliyo enokulungiswa koomatshini.
Ngaba ufuna iteyiphu ye-PTFE yokujonga imeko-bume ethile yontywiliselo? I-Aokai PTFE inikezela ngeendlela ezininzi zokuncamathelisa kwaye inokubonelela ngedatha yovavanyo kwiimeko zakho. Qhagamshelana nathi ngokuphakathi kwakho, ubushushu, kunye nobude obulindelekileyo bokuntywiliselwa.
Lo mxholo unikwe ngu I-Jiangsu Aokai yeZixhobo eziNtsha zeTekhnoloji Co., Ltd.
Ukuba ufuna iinkcukacha ezicacileyo, izikhokelo zesicelo, kunye nezisombululo ezenziwe ngokwezifiso zoluhlu lwethu olupheleleyo lwemveliso, kubandakanywa i-PTFE i-high-temperature tapes, i-PTFE high-temperature tapes, iibhanti ze-mesh ze-PTFE, amabhanti omatshini wokuthunga angenamthungo, i-PTFE enecala elilodwa elicakiweyo, amabhanti okuhambisa ubushushu kunye nobushushu obuphezulu , nceda uqhagamshelane nathi:
Sibambelela kwifilosofi yobungcali kunye nemfezeko, kwaye sizimisele ukubonelela ngezisombululo zokumisa kunye neenkonzo ezinolwazelelelo kubo bonke abathengi.
