Fiberglass ntama thermal shrinkage ne ade titiriw a ɛde PTFE tape dimensional instability ba. Wɔ PTFE sintering hyew (360-400°C) mu no, wogyae nwene nhyɛso a aka no. Sɛ wɔanhyɛ no so a, ntama no twetwe; sɛ wɔhyɛ so a, wɔde nhyɛso a ahintaw no to mu, na ɛma akyiri yi ɛtwetwe bere a wɔde ntama resa (150-200°C) ne ɔhyew a wɔde di dwuma awiei no. Ano aduru: fa fiberglass a wɔadi kan ayɛ no hyew a ɛyɛ <0.5% a ɛtwetwe wɔ 400°C di dwuma, na yi nhyɛso a aka no fi hɔ ansa na wode akata so.

Thickeners a ɛwɔ PTFE emulsion mu no di dwuma anan a ɛho hia: suspension stabilization (siw PTFE asinasin a ɛyɛ den no sɛ ɛbɛtra hɔ), shear-thinning suban (viscosity a ɛkɔ soro wɔ ahomegye mu, ɛba fam wɔ agitation ase ma ɛyɛ mmerɛw sɛ wɔde kata so), penetration depth control (ɛhwɛ resin loading so wɔ fiberglass ntama so), ne film uniformity (siw mpaapaemu ano bere a ɛreyow). Ahwehwɛde a ɛho hia: ɛsɛ sɛ thickeners porɔw koraa wɔ ~380°C sintering temperature, gyaw zero ash residue na ama coating ahotew ne anyinam ahoɔden insulation.

Aokai PTFE debuted ne nneɛma nyinaa lineup wɔ APFE Shanghai 2026 (Booth 6T602, Hall 6). Nneɛma a wɔde kyerɛ no bi ne PTFE teyp a wɔde fiberglass ahyɛ mu den, PTFE sini a ɛho tew, anti-static grades, ne conveyor belts a ɛyɛ hyew kɛse – a ɛkata aduan a wɔyɛ, PV lamination, lithium battery, ɛlɛtrɔnik mfiri, ne nneɛma a wɔde kyekyere nneɛma so. Ɔyɛkyerɛ no kɔ so kosi June 26. Nneɛma nyinaa boa amanneɛbɔ ahorow a wɔahyɛ da ayɛ.

PTFE soro ayaresa ma bonding adhesion de akwan titiriw abien di dwuma: ɔhyew a ɛkorɔn melting (wim tebea a ɛkorɔn a ɛko tia, 9.5 MPa ahoɔden ne coupling agent, nanso ɛma awuduru mframa) ne sodium-naphthalene etching (5 MPa ntɛm adhesion, teateaa nnɔnhwerew 24-48 mfɛnsere, asiane nwura). Paw gyina nneɛma a atwa yɛn ho ahyia sohwɛ ne bere tenten ne bere tiaa mu adwumayɛ so.

PTFE emulsion su a wɔsɔ hwɛ no fa nsɛnkyerɛnne atitiriw asia ho: nea ɛyɛ den (60±2% wɔ T/FSI biara mu 067-2021), pH (9.0-11.0), nneɛma nketenkete no kɛse kyekyɛ (laser diffraction/DLS), viscosity (12-30 mPa·s wɔ 25°C), sɛnea ɛyɛ den (centrifugal, thermal, freeze-thaw), ne sɛnea ɛte. Saa akwankyerɛ yi ka standard test akwan a wɔfa so yɛ parameter biara ho asɛm.

Sɛ wode PTFE a ɛyɛ hyew kɛse teapɔn bedi dwuma denneennen wɔ mmeae a ɛyɛ kurukuruwa ne nea ɛnkɔ so pɛpɛɛpɛ a enni ahurututu ne anoano warping a, adwumayɛ nhyehyɛe a wɔahyɛ da ayɛ ho hia, a nea ɛka ho ne substrate pretreatment a edi mũ, adwumayɛfo a wɔde di dwuma ho nimdeɛ ne nneɛma a ɛboa a ɛfata. Wɔn mu no, substrate pretreatment ne anammɔn a ɛho hia sen biara, a ɛkyerɛ bɛyɛ 70% wɔ sticking effect a etwa to no mu.

Wɔ nneɛma a atwa yɛn ho ahyia ho mmara a ɛreyɛ den kɛse no akyi no, PTFE emulsion a PFOS/PFOA nnim yɛ ade a wɔayɛ no foforo a wɔayɛ de asi atetesɛm mu polymerization akwan a PFOA wom ananmu. Ɛkura PTFE mu nneɛma atitiriw mu bere a ɛma nneɛma a atwa yɛn ho ahyia ho adamfofa ne akwahosan ho ahobammɔ kɔ anim kɛse no.

Ɔhyew ntrɛwmu nsusuwii a ɛwɔ PTFE ntama a ɛyɛ hyew kɛse no nyɛ bo a wɔahyɛ da ayɛ. Ɛda so ara ba fam koraa wɔ dan mu hyew mu kodu 100°C (bɛyɛ 0.5×10−5/°C), nanso ɛkɔ soro kɛse wɔ ɔhyew a ɛkɔ soro tebea horow mu.

Sɛ́ adwumayɛfo a wɔyɛ PTFE ntama a ɛyɛ hyew kɛse no, Jiangsu Aokai New Materials kyɛ akwan titiriw a wɔfa so slitting. Sɛnea ɛbɛyɛ a wobɛkwati burrs, delamination ne dimensional deviation bere a slitting no, ɛho hia sɛ wodi nneɛma atitiriw anan so wɔ nhyehyɛe kwan so: nnwinnade a wɔde twa, nnwinnade, nneɛma a wɔde yɛ adwuma an

Sɛ́ obi a ɔyɛɛ PTFE teyp a ɛyɛ hyew kɛse no, Jiangsu Aokai New Materials nam eyi so kyerɛkyerɛ nkɛntɛnso a akwan a wɔfa so yɛ onwini ne onwini dodow nya wɔ PTFE teyp a ɛyɛ hyew a wɔasa no yare no adwumayɛ so no mu kɔ akyiri.I. Essence of PTFE Crystallization Su ne Cooling Rate RegulationThe PTFE su