Alesi Solvent Volatilization Rate Kpɔa Ŋusẽ Ðe PTFE Tape Coating Quality Dzi

Le ewɔwɔ me la PTFE high-temperature tape , wotsɔa silicone ƒe nyaƒoɖeamenu-sesẽ ƒe aŋenu si wotsɔna léa nu ɖe ​​nu ŋu la dea eme abe atike si wotu ɖe atikekui dzi ene. Ne kasɛt si wofa ɖe eŋu la le zɔzɔm to dzodoƒe si wotsɔa nu ƒua gbe ɖo la, atike si wotsɔna tsia nu me la ƒuna, eye wògblẽa nusi léna ɖe nu ŋu sesẽ aɖe ɖi. Alesi esia dzɔnae – solvent volatilization rate – nye core process parameter si dea dzesi nenye be adhesive mamlɛtɔ ƒe anyigba le gbadzaa, vodada aɖeke mele eŋu o, eye wòle kpekpem ɣesiaɣi, alo wotsɔ pinholes, craters, kple streaks tsyɔ edzi.

Aokai PTFE na nutsyɔtsyɔ ƒe mɔnuwo nyo wu le ewɔwɔ ƒe duƒuƒu akpe geɖe me. Mɔfiame sia ɖe alesi volatilization rate kpɔa ŋusẽ ɖe leveling, pinhole formation, kple crater defects dzi – kple alesi woakpɔ edzi na PTFE tape si le nyonyome nyuitɔ kekeake.

Alesi Volatilization Rate Kpɔa Ŋusẽ Ðe Leveling Dzi – Viscosity Trade-Off

Leveling nye ŋutete si le film si wotsɔ léa nu ɖe ​​nu ŋu si xɔ dzo ŋu be wòaɖe nusiwo wotsɔ blae ƒe fliwo, fli siwo le tsia dzi, kple aŋutiɖiɖi ƒe aŋgba ƒe nɔnɔme ɖa, si ana wòazu nusi le gbadzaa. Ŋusẽ si ʋãnɛ enye anyigba ƒe tete; nusi tsi tre ɖe eŋue nye viscosity.

1. Kabakaba akpa – anyigba ƒe ŋutigbalẽ ɖeɖe dzudzɔa ƒoƒo

Ne atike si wotsɔna tsia dzodzodzoetsitsi nu ƒu kabakaba akpa la, atike si wotsɔna tsia tsia dzi ƒe agbɔsɔsɔ dzi ɖena kpɔtɔna kabakaba. Silicone PSA (polysiloxane solution si ƒe molecule ƒe kpekpeme lolo) te ŋu nɔa te ɖe eƒe agbɔsɔsɔme nu ŋutɔ. Anyigba ƒe ƒuƒoƒo ƒe ʋeʋẽ dzina ɖe edzi ŋutɔ – gɔ̃ hã wòwɔa 'ŋugbalẽ' si ƒe ʋeʋẽ lolo enumake kloe.

Lãgbalẽ sia xea nulénu si le ete si womeha o la ɖe teƒea. Nusi wotsɔna léa nu ɖe ​​nu ŋu la megate ŋu sina be wòana fli alo akplɔ ƒe dzesiwo nasɔ o. Woɖoa nɔnɔme siwo mesɔ o siwo dona le nutsyɔtsyɔ me la ɖe teƒe ɖeka tegbee.

2. Blewu akpa – sagging kple dewetting

Ne atike si wotsɔna tsia nu me la vuvu blewu akpa la, nusi léna ɖe nu ŋu la gakpɔtɔ nyea tsi si me mekɔna boo o ɣeyiɣi didi akpa. Togbɔ be esia naa ɣeyiɣi nɔa anyigba ƒe sɔsɔme hã la, nuheŋusẽ nana:

• Sagging (nulénu si wotsɔna léa nu ɖe ​​nu ŋu la ƒua du yia anyime le teƒe siwo le tsitrenu) .

• Nugbɔ siwo le ɣie (ta siwo wotsɔ léa nu ɖe ​​nu ŋu le teƒe si wofa nu ɖo ƒe goawo dzi) .

• Tsi ɖeɖeɖa – le PTFE substrates siwo me ŋusẽ mele o dzi (anyigba ƒe teteɖeanyi vevi 18-20 mN/m koe), tsidede ɣeyiɣi didi ate ŋu ana nyateƒe be adhesive la natsi eye wòahe ɖa tso substrate la gbɔ, si agblẽ anyigba ƒe ƒuƒuiƒe.

Alesi Volatilization Rate Hea Pinholes vɛ

Pinholes nye do suesuesue siwo toa nusi wotsɔ léa nu ɖe ​​nu ŋu la me. Wodzɔna ne atike alo ya ƒe kuɖɔwo xa eye wogbã to teƒe si sesẽ hafi nusi léna ɖe nu ŋu la gate ŋu sina ake.

1. Mɔnu 1 – ʋeʋẽ lilili si xaxa ɖe ŋutigbalẽa te

Ne kasɛt si ŋu wofa nu ɖo la ge ɖe dzodoƒe si wotsɔa nu ƒua gbe la, dzoxɔxɔ si dzina ɖe edzi ŋutɔ si wotsɔ kpe ɖe atike si wotsɔna ƒoa tsii kabakaba ŋutɔ ŋu la daa gbe le film la ƒe anyime gbã. Atike si tsia ƒuƒoƒoa me la ƒoa ya sesĩe, eye wòwɔa kuɖɔwo. Ne kuɖɔ ƒe nyaƒoɖeamenu ememetɔ nya gbã anyigba ƒe ŋutigbalẽ si sesẽ la ko la, tsi film si gbã la mate ŋu agbugbɔ aƒu eye wòada gbe le eŋu o – si gblẽa pinholes alo do siwo le abe dzoto ene siwo nɔa anyi ɖaa ɖi.

2. Mɔ̃ 2 – kuɖɔwo mate ŋu asi o

Ya ƒe kuɖɔ suesuesuewo dona ɣesiaɣi le nuɖuɖu si wotsɔ blaa nu kple esi wotsɔa nu lénae me. Wohiã ɣeyiɣi si sɔ hafi woate ŋu aƒu tsi ayi dzi, agbã, eye woada gbe le wo ŋu ne woƒe ʋeʋẽ mede o. Ne anyigbaa ƒe ŋutigbalẽ vuvu kabakaba le esi wòƒu kabakaba ta la, kuɖɔwo mate ŋu asi o eye wotu wo abe pinholes ene.

3. Mɔnu 3 – tsidede suesuesuewo me nyuie o

Dzoxɔxɔ kabakaba kabakaba naa adhesive viscosity dzina ɖe edzi ŋutɔ, si wɔnɛ be ŋutete meganɔa solution la me be wòayɔ do suesuesuewo me vivivi eye wòanya ya si le wo nɔewo dome o. Esia wɔnɛ be tsi ƒe gbagbã siwo le abe pinhole ene siwo le ʋeʋẽm la dona le wo ƒuƒu vɔ megbe.

Alesi Dzoxɔxɔ ƒe Agbɔsɔsɔ Hea Dowo (Dimples) .

Dowo nye do suesuesue siwo le goglo le nusi léna ɖe nu ŋu la ƒe anyime, eye woto vovo tso do siwo wotsɔa aŋe wɔe gbɔ. Wotsoa nutoa me ƒe anyigba ƒe tete ƒe masɔmasɔ gbɔ.

1. Mɔnu 1 – tsi ƒe tsitete siwo ƒo ƒu

solvent ƒe dzoxɔxɔ kabakaba xɔa dzoxɔxɔ gã si nye vaporization, si naa film xɔdzoa kple substrate ƒe anyigba fa miamiamia vevie. Ne dzoxɔxɔa ɖiɖi wu zãmu si ƒo xlãe la, tsi ƒe dzoxɔxɔ si le ya me la ƒoa ƒu zua tsi suesuesue siwo le film xɔdzoa dzi.

• Tsi ƒe anyigba ƒe tete: ~72 mN/m

• Silicone-nulénu ƒe anyigba ƒe tete: 20–25 mN/m

Vovototo gã sia naa nutoa me ƒe anyigba ƒe tete ƒe dzidzeme si ʋãa nusi léna ɖe nu ŋu si ƒo xlãe la be wòaɖe ɖa tso tsiteteawo gbɔ, eye wògblẽa dowo ɖi le wo ƒuƒu vɔ megbe.

2. Mɔnu 2 – do siwo me ɖiƒoƒo le

Ðiƒoƒo siwo mebɔ o (silicone micro-droplets, grease) nɔa nusi wotsɔna léa nu ɖe ​​nu ŋu alo dɔwɔƒe si wowɔa dɔ le la me godoo. Ðiƒoƒo siawo wɔa teƒe siwo ƒe gowo me mekɔna o le film si me tsi le la dzi. Le Marangoni ƒe ŋusẽkpɔɖeamedzi te la, nusi léna ɖe nu ŋu sina tso titina siawo yia gota, si wɔnɛ be nutetewo nɔa anyi.

• Dzoxɔxɔ si sɔ na blanuilélewo te ŋu daa gbe le wo ɖokui ŋu to adhesive backflow dzi.

• Dzoxɔxɔ kabakaba akpa nana tsi la meganɔa tsia me o hafi wòdaa gbe – wotu doawo tegbee.

3. Mɔnu 3 – tsi ɖeɖe le dowo me tso tsi si mesɔ gbɔ o me

PTFE substrates ƒe anyigba ƒe tete vevi si nye 18–20 mN/m ko – le tsidzadza si ate ŋu adzɔ ƒe dzidzenu gbɔ tututu. Silicone-nulénu la hiã fesre si me ʋuʋudedi mele o si sɔ be wòakaka ahade tsii le dzoxɔxɔ ƒe ŋusẽ nu. Ne atike si wotsɔna tsia nu me la vuvu kabakaba akpa la, aŋea megate ŋu nɔa tsia me o hafi tsina keŋkeŋ. Le ƒuƒu me la, eƒe lolome dzi ɖeɖe kpɔtɔ kple eƒe anyigba ƒe tete zia aŋea dzi be wòatsi, si wɔnɛ be micro-craters nɔa teƒe siwo tsi mele nyuie o – wodzena abe anyigba si dzi woŋlɔ nu ɖo ene.

Egbɔkpɔnuwo – Alesi Nàwɔ Aɖu Volatilization dzi na Defect-Free Coating

Aɖaŋu nyuitɔ kekeake si nye solvent volatilization zãa gradient balance :

1. Afɔɖeɖe eve ƒe ƒuƒu ƒe mɔnu

2. Atike siwo wotsɔ tsaka ƒe ɖoɖowo

Zã atike siwo ƒe dzoxɔxɔ to vovo ƒe tsakatsaka:

• Atike nyui siwo le dzo dam blewu (toluene, xylene, alo aromatics/esters siwo le dzo dam wu) – akpa vevitɔ – kpɔa egbɔ be ʋeʋẽ lilili kple ɣeyiɣi si sɔ na wo tsɔtsɔ sɔ kple wo nɔewo.

• Atike siwo ƒuna kabakaba siwo le titina/siwo mebɔ o ƒe agbɔsɔsɔ sue aɖe – wotsaka be woatrɔ asi le ƒuƒu ƒe duƒuƒu bliboa ŋu.

3. Gradient dzoxɔxɔ dzikpɔkpɔ le ƒuƒu dzodoƒe

• Dzoxɔxɔ si bɔbɔ le inlet – blewu gbãtɔ volatilization hena leveling.

• Dzoxɔxɔ si le titina le titina nuto me – ƒuƒu si dzi wokpɔna.

• Dzoxɔxɔ gã le dodo me – nɔnɔme mamlɛtɔ kabakaba.

Ƒo asa na dzoxɔxɔ sesẽ le akpa si gege ɖe eme – esia nana ŋutigbalẽa ƒuna enumake.

4. Kpekpeɖeŋunuwɔnawo

• Kpɔ yame ƒe fafa dzi – xe mɔ na tsi ƒe ƒoƒo ɖe film xɔdzoa dzi.

• Internet dzi corona treatment of the PTFE substrate – doa anyigba ƒe ŋusẽ ɖe dzi, enaa tsidzadza nyona ɖe edzi, eɖea tsidzadza ƒe dowo dzi kpɔtɔna.

Kpuie ko la – Dzɔdzɔmenuwo Dzikpɔƒe Veviwo na Nutsyɔtsyɔ ƒe Nyonyome

Aokai PTFE nyoa nutrenu parameters – solvent tsakatsaka, drying profile, kple substrate pretreatment – ​​be woawɔ PTFE tape kple adhesive ƒuƒoƒo siwo le gbadzaa, siwo me gblẽ o. Te ɖe mía ŋu hena dɔwɔwɔ ƒe kpekpeɖeŋu alo custom coating specifications.

Nya siwo le etame la tso Jiangsu Aokai Nu Yeyewo Mɔ̃ɖaŋununya Co., Ltd.

Ne èdi be yeanya nu geɖe tso nyatakaka tsitotsito, dɔwɔwɔ ƒe nɔnɔmewo kple egbɔkpɔnu siwo wowɔ ɖe ɖoɖo nu na míaƒe adzɔnuwo ƒe hatsotso bliboa, siwo dometɔ aɖewoe nye PTFE dzoxɔxɔ gã avɔwo, PTFE dzoxɔxɔ gã tapes, PTFE mesh alidziblanu, seamless bonding mɔ̃ alidziblanu, axa ɖeka PTFE avɔ, dzoxɔxɔ gã tsi tre ɖe conveyor belts kple dzoxɔxɔ gã tsitretsitsi fiberglass avɔwo, taflatse te ɖe mía ŋu:

• Aƒetɔ Guo: +86 18944819998

• Aƒetɔ Liu: +86 13705266308

Míeléa xexemenunya si nye dɔwɔwɔ nyuie kple fɔmaɖimaɖi me ɖe asi ɣesiaɣi, eye míeɖoe kplikpaa be míana egbɔkpɔnu siwo woawɔ le teƒe ɖeka kple dɔ siwo ŋu wobu nyuie la wò.