Sɛ́ adwumayɛfo a wɔyɛ PTFE ntama a ɛyɛ hyew kɛse no fibea no, Jiangsu Aokai New Materials de polytetrafluoroethylene (PTFE) a wɔde di dwuma wɔ soro no bɛba.

PTFE kyerɛ ɔhyew a ɛkorɔn ne nea ɛba fam a ɛko tia yiye, nnuru a ɛko tia a ɛda nsow, friction coefficient a ɛba fam ne ne ho srade su. Wɔde di dwuma kɛse wɔ ɛlɛtrɔnik, mfiri, nnuruyɛ mfiri, ahunmu, biomedicine ne nnwuma afoforo mu, na ɛma wonya din 'Plastics Hene' . Nanso, esiane sɛ nnuru ntumi nyɛ adwuma na ahoɔden a ɛwɔ soro no sua nti, ɛyɛ den sɛ wɔde PTFE bɛbata nneɛma afoforo ho, na ɛno ma wɔmfa nni dwuma kodu baabi. Sɛnea ɛbɛyɛ a PTFE ne nneɛma ahorow a ɛbata ho no atu mpɔn no, wɔtaa fa akwan horow a wɔfa so ma PTFE no ani dwumadi yɛ kɛse. Wɔ nneɛma ahorow ho no, Aokai New Materials taa de PTFE soro nsakrae akwan a edidi so yi di dwuma.

1. Nnuru a Wɔde Yɛ Nsu

Sodium -naphthalene nnuru a wɔde sa yare no  yɛ akwan a etu mpɔn a wɔfa so sesa PTFE ani no mu biako. Ɛnam adeyɛ a ɛnyɛ den na ɛho ka sua nti, ɛyɛ nea wɔpɛ wɔ adwumayɛ mu wɔ Aokai New Materials’ PTFE adwumayɛbea.

Sodium-naphthalene ayaresa no de etching solution di dwuma titiriw de ne PTFE yɛ adwuma wɔ nnuru mu, na eyi fluorine atɔm bi fi soro. Eyi ma carbonized layer na ɛde polar akuw te sɛ hydroxyl akuw, carbonyl akuw ne unsaturated bonds ba. Saa polar akuw yi ma polymer no ani ahoɔden kɔ soro, ɛtew contact angle no so na ɛma wettability tu mpɔn, na ɛnam so dan PTFE fi non-bondable kɔ bondable.

2. Mechanochemical Bonding Ɔkwan a Wɔfa so Yɛ

Sɛ wɔde polymers to abɔnten tumi ase (sɛ nhwɛso no, wɔbubu, wɔyam, friction, ne nea ɛkeka ho) a, macromolecular nkɔnsɔnkɔnsɔn no bubu na ɛkɔ nnuru mu, a nea ɛka ho ne mechanodegradation, mechanochemical crosslinking, mechanochemical grafting, block copolymerization ne stress-activated polymerization. Wonim eyinom sɛ polymer mechanochemical reactions.

Wɔ mechanochemical bonding mu no, wɔde adhesive-coated polymer no ani petepete. Ɛdenam mechanochemical adeyɛ so no, polymer no ani fa mechanodegradation mu ma ɛyɛ macromolecular free radicals, a afei ɛne adhesive molecules yɛ covalent bonds, na ɛma nkitahodi a emu yɛ den ba na ɛma nkwaa no bonding ahoɔden tu mpɔn kɛse.

3. Ɔkwan a Wɔfa so Yɛ Nneɛma a Ɛyɛ Ɔhyew a Ɛkorɔn

Nnyinasosɛm titiriw a wɔde sesa PTFE ani denam ɔhyew a ɛkɔ soro so ne sɛ: wɔ ɔhyew a ɛkɔ soro mu no, wɔsakra PTFE ani a ɛyɛ ahwehwɛ no, na wɔde nneɛma a ɛwɔ soro-ahoɔden kɛse, a ɛnyɛ den sɛ ɛbɛkyekyere te sɛ SiO2 ne Al powder ahyɛ mu. Sɛ ɛyɛ nwini wie a, ade a wɔayɛ mu nsakrae a nneɛma a ɛtumi bom wom no ba PTFE no ani. Esiane sɛ nneɛma a wotumi kyekyere no no molecule ahorow ahyɛn PTFE molecule a ɛwɔ soro no mu nti, sɛ wobebubu nkitahodi no a, ɛhwehwɛ sɛ wɔsɛe molecule ahorow no ntam, na ɛde ahoɔden a ɛkɔ soro ba.

4. Ɔkwan a Wɔfa so Yɛ Mframa

Wɔde PTFE gu monomers a ɛyɛ polymerizable a ɛyɛ adwuma te sɛ styrene, fumaric acid, methacrylates ne afoforo mu, afei wɔde Co-60 hyɛ mu . Eyi kanyan nnuru a wɔde hyɛ monomers no mu polymerization wɔ PTFE no ani, na ɛyɛ graft polymer layer a ɛnyɛ den sɛ wɔbɛkyekyere. Grafting nso ma ɔfasu no yɛ roughens, ɛma bonding area no yɛ kɛse na ɛma bonding ahoɔden yɛ kɛse.

5. Mfiridwuma a Wɔde Sa Plasma

Plasma ayaresa yɛ mfiridwuma a ɛrenya nkɔso ntɛmntɛm sen biara a wɔde sesa PTFE ani wɔ nnansa yi mfe mu no mu biako.

Mfiridwuma yi mu ade titiriw ne sɛ wɔde nhwɛsode no bɛto plasma ayaresa afiri a wɔatu ho ama mu, baabi a ion a wɔtow gu anaasɛ wɔde hyɛ mu no bubu molecule nkitahodi ahorow anaasɛ ɛde akuw a ɛyɛ adwuma ba polymer no ani, na ɛma ɔfasu no yɛ adwuma na ama nsakrae aba. Ion betumi ayɛ mframa a ɛnyɛ adwuma, mframa a ɛyɛ adwuma wɔ nnuru anaa dade nneɛma. Mframa a ɛnyɛ adwuma a wɔde tow atopae no betumi asakra sɛnea polymer no ani yɛ.

Nsɛm a ɛwɔ atifi hɔ no yɛ nea Jiangsu Aokai New Materials Technology Co., Ltd. na ɛde mae.

Sɛ wopɛ parameters a ɛkɔ akyiri, application scenarios ne customized solutions of our full product range — a PTFE high-temperature ntama, PTFE high-temperature tape, PTFE high-temperature mesh belt, seamless belts ma bonding mfiri, biako-afã PTFE ntama, high-temperature resistant conveyor belts, high-temperature resistant glass fiber ntama ne nea ɛkeka ho — yɛsrɛ sɛ ntwentwɛn wo nan ase sɛ wobɛka yɛn ho asɛm:

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