Momwe Solvent Volatilization Rate Imakhudzira PTFE Tape Coating Quality

Popanga PTFE high-temperature tepi , zomatira za silikoni zomwe zimakhudzidwa ndi mphamvu zimagwiritsidwa ntchito ngati njira yothetsera zosungunulira. Pamene tepi yokutidwa ikudutsa mu uvuni woyanika, zosungunulira zimasanduka nthunzi, ndikusiya zomatira zolimba. Mlingo womwe izi zimachitika - kuchuluka kwa zosungunulira zosungunulira - ndi gawo loyambira lomwe limatsimikizira ngati zomatira zomaliza ndizosalala, zopanda chilema, komanso zokhuthala nthawi zonse, kapena zophimbidwa ndi mapini, ma craters, ndi mikwingwirima.

Aokai PTFE yakonza njira zokutira pakupanga masauzande ambiri. Bukuli likufotokoza momwe kuchuluka kwa kugwedezeka kumakhudzira kukula, mapangidwe a pinhole, ndi zolakwika za crater - ndi momwe mungayang'anire pa tepi yapamwamba ya PTFE.

Momwe Volatilization Rate Imakhudzira Kukwera - The Viscosity Trade-Off

Kuyimilira ndikutha kwa kanema womatira wonyowa kuti athetse mikwingwirima, mikwingwirima yopingasa, komanso mawonekedwe a peel lalanje, ndikupanga malo osalala. Mphamvu yoyendetsa ndi kuthamanga pamwamba; kukana ndi mamasukidwe akayendedwe.

1. Kuthamanga kwambiri - kupukuta khungu kumasiya kusanja

Zosungunulira zikamasanduka nthunzi mofulumira kwambiri, zosungunulira zake zimatsika kwambiri. Silicone PSA (high-molecular-weight polysiloxane solution) imakhala yovuta kwambiri. The pamwamba wosanjikiza mamasukidwe akayendedwe amawuka exponentially - ngakhale kupanga mkulu-makamakamakamakamaka 'khungu' pafupifupi yomweyo.

Khungu ili limatseka zomatira zomwe sizinachiritsidwe m'malo mwake. Zomatira sizingayendenso kuti ziwongolere mikwingwirima kapena mabala. Zosasinthika zomwe zimapangidwa panthawi yopaka zimakhazikika kosatha.

2. Kuchedwetsa kwambiri - kugwa ndikunyowetsa

Ngati zosungunulira zimagwedezeka pang'onopang'ono, zomatira zimakhalabe madzi otsika kwambiri kwa nthawi yayitali. Ngakhale izi zimalola nthawi yokweza, mphamvu yokoka imayambitsa:

• Sagging (zomatira zimayenda pansi pamalo ofukula)

• M'mphepete mwake (madziwe omatira m'mphepete mwa malo okutidwa)

• Dewetting - pa low-surface-energy PTFE substrates (critical surface tension only 18-20 mN/m), kunyowetsa kwa nthawi yayitali kungapangitse kuti zomatirazo zichepetse ndikuchoka ku gawo lapansi, kuwononga kusalala kwa pamwamba.

Momwe Volatilization Rate Imapangidwira Pinholes

Pinholes ndi timabowo ting'onoting'ono kudzera pa zomatira. Amapanga pamene zosungunulira kapena ming'alu ya mpweya imatsekeka ndikudutsa pamwamba pazitsulo zomatirazo zisanatuluke.

1. Njira 1 - zosungunulira zowira zotsekeredwa pansi pa khungu

Pamene tepi TACHIMATA akulowa kuyanika uvuni, lakuthwa kutentha nyamuka pamodzi kopitilira muyeso-mwachangu zosungunulira volatilization amachiritsa filimu pamwamba choyamba. Zosungunulira zomwe zimatsekeredwa mkati mwa wosanjikiza zimasungunuka mwamphamvu, kupanga thovu. Kuthamanga kwa thovu lamkati kukaphwanya khungu lolimba la pamwamba, filimu yamadzimadzi yong'ambika sichitha kuyambiranso ndikuchira - kusiya mapini osatha kapena ziboliboli zonga mapiri.

2. Njira 2 - thovu silingathawe

Tizilombo tating'onoting'ono ta mpweya timakhazikika nthawi zonse pakupaka ndi kudyetsa zomatira. Amafuna nthawi yokwanira kuti ayandame, kuphulika, ndi kuchiritsa pamawonekedwe otsika. Zikopa za pamwamba zikayamba kuuma msanga chifukwa chakuuma msanga, thovu silingatuluke ndipo limakhazikika ngati mapini.

3. Njira 3 - kunyowetsa bwino maenje ang'onoang'ono

Kumayambiriro mofulumira volatilization spikes zomatira mamasukidwe akayendedwe kwambiri, kuwamana njira yothetsera kudzaza pang'onopang'ono maenje ang'onoang'ono ndi kutulutsa mpweya interface. Izi zimapangitsa kuti pakhale zovuta zonyowetsa za pinbole zikauma.

Momwe Kusinthasintha Kumayambira Ma Crater (Dimples)

Ma crater ndi ang'onoang'ono, ozungulira ozungulira pamtunda, wosiyana ndi mapini. Zimayamba chifukwa cha kusalinganika kwamphamvu kwa m'deralo.

1. Njira 1 - madontho amadzi opindika

Rapid zosungunulira volatilization zimatenga kutentha vaporization, kwambiri kuziziritsa chonyowa filimu ndi gawo lapansi. Ngati kutentha kumatsika pansi pa mame ozungulira, mpweya wamadzi mumlengalenga umasungunuka kukhala madontho ang'onoang'ono pafilimu yonyowa.

• Kuthamanga kwamadzi pamwamba: ~ 72 mN/m

• Kuthamanga kwapamwamba kwa zomatira za silicone: 20-25 mN / m

Kusiyanitsa kwakukuluku kumapangitsa kuti pakhale kugwedezeka kwapamtunda komwe kumayendetsa zomatira kuti zichoke pamadontho, ndikusiya ma craters akauma.

2. Njira 2 - ma craters opangidwa ndi zowononga

Zowonongeka zotsika kwambiri (madontho a silicone, mafuta) amakhalapo mosapeweka pazomatira kapena malo ogwirira ntchito. Zonyansa izi zimapanga malo otsika-pansi-zovuta pa filimu yonyowa. Pansi pa mphamvu ya Marangoni, zomatira zimayenda panja kuchokera m'malo awa, ndikupanga ma depressions.

• Kukhazikika kwapakati kumapangitsa kuti ma depressions adzichiritse okha kudzera pamamatiridwe obwerera.

• Kuthamanga kwachangu kwambiri kumalepheretsa madzi amadzimadzi asanachiritsidwe - ma craters amatsekedwa kosatha.

3. Njira 3 - kukopera mabokosi kuchokera pakunyowetsa kosakwanira

Magawo a PTFE ali ndi zovuta zapamtunda za 18-20 mN/m - pomwe pano pakunyowetsa kotheka. Zomatira za silikoni zimafunikira zenera locheperako locheperako kuti lifalikire ndikunyowetsa pamwamba pa thermodynamically. Ngati zosungunulira zimasinthasintha mofulumira kwambiri, zomatirazo zimataya madzimadzi musananyowetse kwathunthu. Pa kuyanika, kuchepa kwa voliyumu ndi kugwedezeka kwa pamwamba kumakakamiza zomatira kuti zigwirizane, kusiya ma micro-craters pamalo osanyowa bwino - amawoneka ngati malo obisika.

Mayankho - Momwe Mungalamulire Kukhazikika kwa Zopaka Zopanda Chilema

Njira yabwino yosungunulira imagwiritsa ntchito gradient balance :

1. Njira yowumitsa magawo awiri

2. Zosakaniza zosungunulira machitidwe

Gwiritsani ntchito zosungunulira zokhala ndi mfundo zowiritsa zosiyanasiyana:

• Zosungunulira zabwino zowiritsa kwambiri, zomwe zimatuluka pang'onopang'ono (toluene, xylene, kapena aromatics/esters) - chigawo chachikulu - zimatsimikizira kusungunuka ndi nthawi yokwanira yoyezera.

• Zing'onozing'ono zosungunulira zosungunulira zapakati / zotsika-kutentha - zosakanikirana kuti zisinthe liwiro la kuyanika.

3. Kuwongolera kutentha kwa gradient mu uvuni wowumitsa

• Kutentha kwapang'onopang'ono polowera - kusinthasintha koyambilira kwapang'onopang'ono kwa kusanja.

• Kutentha kwapakati pakatikati - kuyanika koyendetsedwa.

• Kutentha kwakukulu pakutuluka - mawonekedwe omaliza ofulumira.

Pewani kutentha kwakukulu pagawo lolowera - izi zimayambitsa khungu nthawi yomweyo.

4. Njira zothandizira

• Sungani chinyezi chozungulira - pewani kusungunuka kwa madzi pafilimu yonyowa.

• Chithandizo cha corona pa intaneti cha gawo lapansi la PTFE - kumakweza mphamvu pamwamba, kumapangitsa kunyowetsa, kumachepetsa mikwingwirima.

Chidule Chachidule - Mfundo Zofunikira Zowongolera Ubwino Wopaka

Aokai PTFE imakonzekeretsa ❖ kuyanika - kusakaniza zosungunulira, kuyanika mbiri, ndi pretreatment gawo lapansi - kupanga tepi ya PTFE yokhala ndi zigawo zosalala, zopanda chilema. Lumikizanani nafe kuti muthandizidwe ndi ndondomeko kapena ndondomeko zomatira mwachizolowezi.

Zomwe zili pamwambazi zimaperekedwa ndi Malingaliro a kampani Jiangsu Aokai New Materials Technology Co., Ltd.

Ngati mukufuna kudziwa zambiri zatsatanetsatane, zochitika zamagwiritsidwe ntchito ndi mayankho makonda pazogulitsa zathu zonse, kuphatikiza nsalu zotentha kwambiri za PTFE, matepi apamwamba a PTFE, malamba a mauna a PTFE, malamba omangira makina opanda msoko, nsalu imodzi ya PTFE, nsalu zotchinga kutentha kwambiri, ndi malamba osagwira magalasi apamwamba, chonde malamba osamva kutentha kwambiri

• Bambo Guo: +86 18944819998

• Bambo Liu: + 86 13705266308

Nthawi zonse timatsatira malingaliro a ukatswiri ndi kukhulupirika, ndipo tadzipereka kukupatsirani mayankho amodzi ndi ntchito zolingalira.