Xihloko lexi xi kambisisa vuyelo bya vulawuri bya tension ya web hi nkarhi wa Teflon high-temperature tape coating eka PTFE substrate flatness na adhesive coating uniformity. Vuyelo eka substrate flatness: tension leyi tlulaka elastic limit yivanga ku olovisiwa ka plastiki lokunga hundzukiki naku necking (longitudinal elongation, transverse narrowing), leswi endlaka slackness, wrinkles na wavy patterns; PTFE creep ehansi ka sustained tension yi hundzuka 'frozen' endzhaku ko hola, leswi vangaka ku nga ringani ka le henhla; uneven transverse tension kusuka eka roller parallelism yoka yingari kahle yi endla leswaku matlhelo lawa ya govekeke, central blistering, na ti periodic tight-loose marks.

Xihloko lexi xi kambisisa ku cinca ka xivumbeko eka lapi ra mahiselo yale henhla ya PTFE hi nkarhi wa ku dyuhala. Swiyenge swa mune: PTFE coating microstructure — molecular chain scission na oxidation (ku tumbuluxiwa ka ntlawa wa carbonyl/carboxyl), ku cinca ka crystallinity (ku tlakuka ka ha ri na nkarhi kutani ku wa), ku tumbuluxiwa ka micro-crack na pinhole, ku endliwa ka powder ya le henhla; Glass fibre substrate na interface — sizing/coupling agent decomposition leswi vangaka ku lahlekeriwa hi bonding, interfacial debonding na delamination (blistering, tindzhawu to basa), glass fibre network erosion na embrittlement, alkali metal oxide precipitation leswi vangaka stress corrosion; Xivumbeko xa macroscopic na xivumbeko — ku cinca ka muhlovo (wo basa→beige→buraweni→ntima), shrinkage deformation na curling, surface roughening xikan’we naku lahlekeriwa hi gloss, powder loko u khumbiwa, ku lahlekeriwa hiku hetiseka ka ku olova. Nkoka wa ku dyuhala: endlelo leri yaka emahlweni ra 'ku onhaka ka coating → ku tsandzeka ka interface → ku onhaka ka substrate.'

Xihloko lexi xi katsa ndlela yo lawula nkarhi wa sintering wa PTFE high-temperature fabric. Ndlela ya vulawuri bya nkoka: ku lulamisiwa ka rivilo ra layini. Nkarhi wo sintering = ku leha ka xiphemu xo kufumeta lexi tirhaka ÷ rivilo ro famba ra lapi. Threshold ya sintering leyi tirhaka i 350°C (ehenhla ka mahiselo lawa ya hlayiwa tani hi nkarhi wa sintering). Ku hangalasiwa ka mahiselo ya ti zone totala: ku hisiwa ka ha ri emahlweni (100-250°C), ku sintering (360-395°C), ku vekiwa ka mahiselo yale henhla (380-390°C), ku kufumela (ehansi ka 300°C). Minkarhi ya swikombo eka 380-390°C: yi vevuka (0.08-0.13mm) 30-60 wa tisekoni; xiyimo xa le henhla (0.18-0.25mm) 1.5-3 wa timinete; ku tika (≥0.35mm) 3-5 wa timinete. Ku tiveka naku lulamisiwa: under-sintering (matimba yale hansi, ku khuluka ka powder, micro-cracks) → hunguta rivilo ku engetela nkarhi; over-sintering (ku tshwuka, ku brittleness, musi wo basa) → engetela rivilo ku hunguta vutshamo. Ku ringana ka mahiselo-nkarhi swipfumelela high-temp fast sintering (395-405°C, seconds) kumbe low-temp slow sintering (360-375°C, 5-8 wa timinete).

Xihloko lexi xi hlamusela xivumbeko xa ku cinca eka matimba yo hlangana ya PTFE high-temperature tape adhesive layer endzhaku ka ku dyuhala ka mahiselo yale henhla. Xivumbeko xa switeji swinharhu: Xiteji xo tlakuka xa le ndzhaku ka ku horisiwa (ku sungula ku hlangana na mahiselo yale henhla eka 200-260°C, mintlawa ya masalela ya reactive yi ya emahlweni yi crosslinking, ku hlangana swi tlakuka swinene); Xiteji xa equilibrium lexi tiyeke (crosslinking yi tshinelela ku hetisisiwa, ku hlangana ku tshama ku tshamisekile eka nkarhi wo leha); Xiteji xa ku onhaka naku hunguteka (nkarhi/mahiselo yotala swivanga ku onhaka ka main chain, cohesion yahunguteka, adhesive ya olova naswona yiva tacky). Swivangelo swa timintsu swa ku tsandzeka ka cohesive (ku handzuka ka le ndzeni ku siya masalela) na squeeze-out (cold flow kusuka emakumu hikokwalaho ka kuhunguteka ka modulus) swa xopaxopiwa.

Xihloko lexi xi hlamusela hi vuxokoxoko matirhiselo ya lapi ra Teflon ra mahiselo yale henhla eka indasitiri ya eneji ya dyambu. Ku tirhisiwa ka nkoka eka lamination ya modula: lapi ro humesa leri vekiweke ehenhla/ehansi ka mimojula ya PV ri sivela EVA leyi n’okiweke (140-150°C) ku namarhela eka platen yo kufumeta kumbe pulati ya rhaba, ku sirhelela switirhisiwa na ku tiyisisa leswaku vuandlalo bya modula byi rhetela; mabandhi yo fambisa ya laminator yo layicha/ku rhurhisa hi ku tisungulela; lapi ro sirhelela ra platen ra rhaba leri engetelaka vutomi bya ntirho. Cell stringer soldering: ti conveyor belts leti rhwalelaka ti cells na ribbon hiku tirhisa ndzhawu yo hisa, na non-stick surface leyi lwisanaka na flux na solder splashes; swifunengeto swa pulatifomo yo kufumeta swa switichi swo tirhela eka swona swo solder. Ku pfaleriwa ka mahiselo yale henhla: ku phutsela eka ti tubes to kufumeta, ti thermocouples, ti cable eka ti laminators nati curing ovens; switirhisiwa tikheteni to pfalela ku hisa na switlhangu.

Xihloko lexi xi katsa magoza ya pretreatment lawa ya lavekaka eka lapi ra fiberglass loko kungase cheriwa PTFE emulsion impregnation. Goza 1: Ku basisiwa hi ku hisa/ku susa wax eka 300-450°C ku susa hiku hetiseka paraffin wax na mafurha kusuka eka fibre surface (paraffin wax, starch derivatives), nhlayo ya masalela ya vukulu ya laveka ehansi ka 0.2%, ku humesa 'heat-dewaxed fabric.' Goza 2: Vutshunguri bya tikhemikhali ta le henhla — ku cheriwa ka switirhisiwa swo hlanganisa silane (KH-550, KH-560, A-174) ku endla filimi yo hlanganisa tikhemikhali eka vuandlalo bya fibre, leswi endlaka leswaku ku va na buloho ra molecular exikarhi ka tifibre ta nghilazi leti nga riki ta ntumbuluko na PTFE ya organic; malapi lawa ya xavisiwaka lawa ya tshunguriweke ka ha ri emahlweni ya nga tlula goza leri kambe ya fanele ku tiyisisiwa. Goza ravunharhu: Ku omisa naku hisa ka ha ri emahlweni — ku omisa eka 80-120°C kuringana 1-2 wa tiawara kuva kuhungutiwa ndzhongho ehansi ka 0.1%, ku sivela ku endliwa ka bubble/void hinkarhi wa ku horisiwa.

Xihloko lexi xi humesa tindlela to antswisa ku lwisana na creep xikan’we naku khoma nkarhi woleha ka thepi ya high-hold Teflon high-temperature. Maqhinga ya katsa: Ku antswisiwa ka topology ya netiweke ya molekhuli — MQ ya le henhla ya silicone resin/gum ratio (1.2:1–2:1) yi vumba ti rigid hard-phase domains; ku nghenisiwa ka mintlawa ya phenyl (20-30 mol%) swi sivela ku famba ka chain; ntiko wa molekhuli ya crosslink wu lawuriwa eka 5,000-15,000 g/mol; Xivumbeko xo namarhela xa gradient modulus multilayer — primer-anchoring layer (1-3μm) na silane coupling agent, high-modulus cohesive layer (30-50μm) tani hi marhambu lawa ya lwisanaka na shear, viscoelastic functional layer (3-8μm) ya ku tsakamisa ehenhla; Nanofillers — fumed silic (10-25 wt%) na ku cinciwa ka le henhla swi endla leswaku ku tlheriseriwa endzhaku ka physical crosslinking.

Xihloko lexi xi kambisisa ku cinca ka xivumbeko xa lapi ra fiberglass leri funengetiweke hi PTFE eka tindhawu leti nga ni tikhemikhali leti nga ni khombo. PTFE coating yi tshamisekile swinene eka swihangalasamahungu swotala (kukatsa na aqua regia, concentrated acids, organic solvents) — ti molecular chains titshama tinga cinci ngopfu. Swihlawulekisi: tinsimbi ta alkali leti n’okiweke ti humesa fluorine leswi vangaka carbonization (brown/black, brittle); swiaki leswi tiyeke swa fluorinating (F2, ClF3) swi tshoveka nkolo wa khaboni-khaboni; swin’wana swintshuxekisi swa muxaka wa Freon swi vanga ku pfimba; ti hot concentrated oxidizing acids ti nghenisa mintlawa ya polar hiku nonoka ehenhla.

Xihloko lexi xi hlamusela hi vuxokoxoko ku tirhisiwa ka lapi ra fiberglass leri pfanganisiweke na PTFE eka indasitiri ya swa elektroniki na gezi. Tindhawu ta tsevu letikulu: Ku pfaleriwa ka mahiselo ya le henhla na nsirhelelo — ku pfaleriwa ka motor inter-turn/slot/phase, ku pfaleriwa ka leyara ya transformer, ku phutsela ka khoyili, ku hambanisiwa ka switirhisiwa swo kufumeta swa gezi; Ku endliwa ka laminate leyi funengetiweke hi koporo na PCB — ku humesa lapi eka lamination ya PCB, prepreg na CCL clean conveying; Ku solder ka elektroniki — ku solder masking eka wave/reflow soldering (nsirhelelo wa tintiho ta nsuku), mabandhi ya conveyor ya oven ya reflow, mats ya xitichi xa ntirho xo solder, swifunengeto swo sirhelela swibamu swa moya wo hisa; Cable na wiring harness — thepi yo phutsela khebulu ya mahiselo yale henhla, mavoko yo hisa na swifunengeto leswinga hisiki, heat-shrink tubing expansion processing conveyor belts; Anti-static na cleanroom — cleanroom conveyor belts na mats ya xitichi xa ntirho, semiconductor na photovoltaic high-temperature conveying.

Xihloko lexi xi humesa tindlela to kambela eka swivumbeko swo lwisana na ku namarhela na ku basisa hi ku olova swa lapi ra fiberglass leri pfanganisiweke na PTFE eka swivati ​​swa oyili na ntshuri. Maendlelo ya katsa: Angle yo khumbana na ku kamberiwa ka eneji ya le henhla — angle yo khumbana ya mati hi ntolovelo >110°, rolling angle越小越好, eneji ya le henhla hi ndlela leyinene 18-20 mN/m; Ku kamberiwa ka michini ya ku rhurhumela — matimba ya 180° ya ku rhurhumela hi thepi ya ntolovelo, leswinene <0.1 N/25 mm; Swikambelo swa ku lwisana na oyili leswi tekeleriweke — ndlela ya oil stain sliding/residue, quantitative wipe cleaning efficiency hiku tirhisa ku hambana ka mihlovo ΔE measurement (smaller ΔE = better cleaning), na oily marker test hiku hatlisa (ku hunguteka ka ink swikomba anti-fouling ya kahle); Ku kamberiwa ka anti-dust — ndlela yo tshamiseka ntshuri na nxopaxopo wa swifaniso, ku susiwa ka ntshuri wa moya lowu pimaka rivilo ra le hansi ra ku pfurha, na ku kamberiwa ka electrostatic adsorption hiku tirhisa surface resistivity; Ku kamberiwa ka ku tiya — phindha swikambelo hinkwaswo endzhaku ka ku dyuhala ka mahiselo yale henhla (260°C/300°C) kumbe Taber abrasion ku tiyisisa ku tshamiseka ka matirhelo ya nkarhi woleha.