Saa asɛm yi ka adwumayɛ ho nsɛnkyerɛnne titiriw ma PTFE teapɔn a ɛyɛ hyew kɛse a wɔde di dwuma wɔ vacuum coating, vacuum heat treatment ne mmeae a ɛtete saa ho asɛm. Ahwehwɛdeɛ titire no yɛ soronko kɛseɛ wɔ wim dwumadie ho: mframa a wɔde fi adi no ho hia paa (TML≤1%, CVCM≤0.1%; ahunmu/aniwa mu grades hwehwɛ TML≤0.5%, CVCM≤0.01%); ɛsɛ sɛ wɔhwɛ sɛ ɔhyew a ɛko tia no yɛ nokware ma PTFE substrate (260°C) ne adhesive layer nyinaa; silicone PSA a wɔatew ho titiriw a mframa ntumi nkɔ mu pii ho hia na wɔasiw siloxane efĩ ano; tumi a ɛkura ɔhyew a ɛkɔ soro no siw creep ne edge lifting ano; ahotew nhwehwɛ sɛ wɔmfa nhama nkɔgu na ion a ɛwɔ mu no sua; anti-static tape (surface resistivity 106-109 Ω/sq) siw ESD a wɔsɛe no ano; ɛsɛ sɛ wɔsɔ plasma a ɛko tia no hwɛ ma sputtering/PECVD akwan horow no; thermal shrinkage a ɛba fam 2% hwɛ hu sɛ masking no yɛ pɛpɛɛpɛ.

Saa asɛm yi de dan mu hyew ne ɔhyew a ɛkorɔn nyin a silicone nhyɛso-te nka adhesive ma PTFE tape toto ho. Ɔhyew a ɛkɔ soro a ɛnyin (120-180°C) ma nhama a ɛyɛ den a ɛwɔ crosslinked a ahoɔden a ɛyɛ den a ɛka bom yɛ adwuma, na esiw nkae a ɛbata ho bere a wɔapete awie no ano. Ɛnam primer co-curing so na ɛyɛ nnuru a ɛde anchoring bonds ne PTFE substrates, na eyi delamination asiane ahorow fi hɔ. Ɔhyew a ɛkɔ soro a ɛma ɛyɛ kɛse nso yi nneɛma a ɛyɛ hyew a ɛwɔ molecule a ɛba fam no fi hɔ ansa na wɔde ama, na esiw bubbling ne silicone ngo a ɛde efĩ ba bere a edi kan a wɔde hyew no no ano.

Saa akwankyerɛ yi ka PTFE teapɔn a ɛyɛ hyew a ɛkorɔn a wɔpaw ma injection molding demolding ne anti-stick applications ho. Ɔhyew a egyina paw so: ≤260°C ma plastic ahorow a wɔde di dwuma wɔ ɔkwan a ɛkɔ akyiri so (silicone PSA teyp a ɛyɛ gyinapɛn, 0.13-0.18mm); 260-300°C ma mfiridwuma mu plastic a ɛyɛ hyew te sɛ PC, PA66, POM (silicone adhesive a ɛyɛ hyew kɛse, 0.18-0.25mm); 300-400°C ma PEEK, LCP, PPS a ɛbɛn mmirikatufo a wɔyɛ hyew (adhesive tape di nkogu; fa PTFE ntama a adhesive nnim anaa PFA film di dwuma). Nneɛma a egyina paw: tacky nneɛma hia high-release pure PTFE surfaces; ahwehwɛ / mineral ahyɛ nneɛma ma hwehwɛ heavy-duty 0.25mm + wear-resistant tape; nneɛma a wɔde ka ho a ɛporɔw hwehwɛ ade a wɔde nkata so a nnuru ntumi nkɔ mu ne substrate a ɛyɛ den; static-sensitive applications hia anti-static tuntum PTFE teapɔn.

Wɔde fiberglass ntama a wɔde PTFE akata so di dwuma kɛse wɔ rɔba a wɔde yɛ adwuma mu esiane sɛ ɛko tia ɔhyew, ɛnyɛ nea ɛbata ho, na ɛnyɛ den pii nti. Nneɛma atitiriw a wɔde di dwuma ne: release liners ma plate/vacuum vulcanization ne tae molding; conveyor belts a ɛnyɛ nea ɛbata ho a wɔde yɛ owiyammo a wɔabue, kalenda, ne nhama a ɛma onwini; ntama a wɔde hyɛ mu ma wɔde rɔba a wɔawie fã bi sie; silicone ne fluoroubber a wɔde di dwuma titiriw; ne fononoo trays a wɔde yɛ post-curing. Mfaso a ɛwɔ so no bi ne sɛ wobeyi nkuku a ɛbata ho no afi hɔ, wɔbɛtew nnuru a wɔde gyae nneɛma a wɔde di dwuma so, wɔasiw roller wrapping ano, na wɔhwɛ hu sɛ wɔbɛpopa nkuku no yiye.

Glass nsakraeɛ hyeɛ (Tg) a ɛwɔ silicone nhyɛsoɔ-sensitive adhesive mu no bɛyɛ -120°C – ɛba fam koraa sene acrylic adhesives. Saa Tg a ɛba fam koraa yi ma PTFE teyp a ɛyɛ hyew kɛse no yɛ nea ɛyɛ mmerɛw na ɛyɛ nnam wɔ -70°C mpo, na esiw mpaapaemu a ɛyɛ mmerɛw ano na ɛma wotumi bata ho a wotumi de ho to so wɔ cryogenic dwumadie mu.

Krataa a wɔpaw anaasɛ film substrate ne ade a wɔayi no nya nkɛntɛnso tẽẽ wɔ storage stability ne peeling adwumayɛ a PTFE high-temperature tape. Saa asɛm yi de PET vs. kraft krataa substrates ne silicone vs. fluorinated release agents toto ho, na ɛkamfo nkabom a eye sen biara ma zero-residue peeling ne bere tenten ahotoso.