Yakajairwa Hunhu Hunokanganisa Panguva yePTFE Yepamusoro-Tembiricha Kuomesa Mucheka - uye Maitiro eKuzvidzivirira

Kuomesa inhanho inokosha PTFE yakakwirira-tembiricha kugadzirwa kwejira. Mushure mokunge machira efiberglass akaiswa nePTFE emulsion, inopfuura nepakati pevheni yekuomesera kubvisa mvura uye fuse PTFE zvimedu muhuputi hunoenderera.

Nekudaro, iyo nzira yekuomesa inogona kuunza huwandu hwakasiyana hwekuremara - kubva kumusoro kwakatsemuka uye pinholes kusvika kune delamination uye warpage. Izvi zvinokanganisa zvinomuka kubva mukusangana kwakaoma pakati pemulsion zvivakwa, substrate chimiro, uye kuomesa paramita.

Aokai PTFE yakagonesa kuomesa maitiro pane akawanda zvigadzirwa. Gwaro iri rinotsanangura zvirema gumi zvinonyanya kuomeswa, zvinokonzeresa, uye mhinduro dzinoshanda.

Coating Cracking uye Crazing

Zviratidzo: Kutsemuka kwakanaka kana kwakafara kunopararira pamusoro pemucheka wejira; mumatambudziko akaoma, kuvhara kunoputika mumaflakes.

Zvikonzero:

• Kunyanya kukurumidza kuomesa - kukurumidza kubuda kwemvura pamusoro pepamusoro kunoumba ganda rakaoma. Mvura yemukati yakapfava inopwanya nepakati pefirimu repamusoro kana kuti inoburitsa yakanyanya shrinkage kushushikana.

• Yakakwira PTFE yakasimba yemukati - inokonzeresa vhoriyamu shrinkage panguva yekuunganidza chidimbu.

• Kunyanya kuomeswa tembiricha kana mhepo inopisa yakawandisa - inokonzeresa ganda repamusoro apo musara wemukati unoramba usina kuoma, uchiisa kushushikana uye kukonzeresa kuputika.

Mhinduro:

• Shandisa gradient kuomesa chimiro: yakadzika tembiricha munzvimbo yekutanga, zvishoma nezvishoma ichiwedzera.

• Deredza kuomeswa kwekutanga (tembiricha uye kubuda kwemhepo).

• Gadzirisa emulsion solids yemukati - dzivisa zvakanyanyisa kuomarara.

Coating Migration (Electrophoretic Migration)

Zviratidzo: Iro jira repamusoro rakapfuma muresin uye rinoratidzika kupenya, nepo kusakwana resin inozadza maburi pakati pemukati fiber bundle. Kutariswa kwemuchinjiko kunoratidza chimiro chisina kuenzana chine gobvu rekunze rakakora uye nepakati pemukati.

Zvikonzero:

• Fine PTFE zvimedu zvinotama kuenda pamusoro pamwe nekuyerera kwemvura sezvo mwando unobuda kunze.

• Kuomeswa zvishoma nezvishoma kana kupisa kwedivi rimwe chete kunowedzera kutama uku.

Migumisiro

• Weak coating adhesion.

• Yakaderedzwa yekupedzisira mechanical kuita uye kusimba.

Mhinduro:

• Wedzera chiyero chekutanga chekuomesa kuti uise zvimedu nekukurumidza kusati kwaitika kutama.

• Shandisa mativi maviri ekudziya kana nani kugovera kuyerera kwemhepo.

• Funga nezvepamusoro-viscosity emulsions kuderedza particle kufamba.

Pinholes uye Blisters

Zviratidzo: Maburi madiki denderedzwa kana mabundu akasimudzwa panzvimbo yekuputira.

Zvikonzero:

• Residual microbubbles mukati memulsion isina kurapwa.

• Mhepo yakavharirwa mufiberglass jira pores inowedzera uye inopukunyuka pakudziya.

• Yakapinza kufashaira uye vaporization yemvura inopwanya kuburikidza neiyo yekubikira firimu.

• Low-viscosity emulsion, kunyorova kwe substrate, kana kukurumidza kukwira kwekushisa panguva yekuomesa zvese zvinowedzera kukanganisa kwepinhole.

Mhinduro:

• Degas the emulsion isati yasvika.

• Shandisa defoamer uye iva nechokwadi chekunyorova kwefiberglass.

• Dzora tembiricha yekutanga yekuomesa kudzivirira kuvira zvine chisimba.

• Wedzera emulsion viscosity zvishoma kuti urambe kuputika kwebubble.

White Spots, Hazing, uye Chalking

Zviratidzo: Nharaunda kana yakazara mhute machena machena pajasi; Upfu zvisaririra zvinoputika kubva pamusoro pezviitiko zvakakomba.

Nzira mbiri dzakasiyana:

Mavara machena / hanzi:

• Ultra-nekukurumidza kuomesa inogadzira microcracks inoparadzira chiedza.

• Masurfactants anotama uye anoungana pamusoro, zvichikonzera kuchena-induced whitening.

• Kuomesa kusina kukwana kunosiya mvura yakasara uye kunoumba watermark-kunge machena matema.

Chalking:

• Kunyanya kupisa kwepamusoro kana kukonzeresa kupisa kwemhepo kunodzivirira pamusoro pePTFE zvimedu kuti zvisasanganise kuita firimu rakasanganiswa, richisiya yakasununguka hupfu.

• Emulsion isina kugadzikana inogona kutyora uye kuungana kuita hupfu clumps panguva yekuomesa.

Mhinduro:

• Dzivisa kupisa kwakanyanya kwekuomesa.

• Iva nechokwadi chekuti sintering yakakwana - kwete kungoomesa.

• Dzora surfactant zvirimo mune emulsion kuumbwa.

Yellow uye Coking

Zviratidzo: Iyo yekupfeka inoshanduka yero, kunyangwe iine brown scorch marks.

Zvikonzero:

• Kunyanya kuomesa tembiricha kana nguva yekugara kwenguva refu inokonzeresa kupisa kweiyo oxidative kuora kwema surfactants, thickeners mu emulsion, uye yasara fiberglass sizing agents.

• PTFE pachayo ine yakanakisa kupisa kupisa, asi ekuwedzera ekuwedzera haigone kumira zvakanyanya kupisa.

• Kupisa kusina kuenzana kwe infrared kunogadzira nzvimbo dzekupisa.

Mhinduro:

• Seta tembiricha yekuomesa pazasi pechikumbaridzo chekuora chezvese zvinowedzerwa (kazhinji <380°C yePTFE sintering, asi dzivirira kuenderera>350°C).

• Ita shuwa kuti kupisa kwakafanana mukati mehupamhi hweovheni.

• Shandisa yakakwirira-kuchena, thermally stable additives.

H2: 6. Coating Kusimudza uye Delamination

Zviratidzo: Iyo yekupfekedza inopatsanura kubva kune fiberglass substrate interface, inosvuuka mumashiti makuru kana kubviswa nekukwesha.

Zvikonzero:

• Kuomesa shrinkage stress inodarika interfacial bonding force.

• Isina kuchena kana isina kubatwa fiberglass pamusoro inotungamira kune yakashata emulsion wetting.

• Kusaenzana shrinkage kubva kune rimwe-sided nekukurumidza kuomesa.

• Kupera kweresin pane substrate interface inokonzerwa nekupfeka kutama kunoumba muganhu usina simba.

Mhinduro:

• Ita shuwa kucheneswa kwepamusoro uye pretreatment yefiberglass (semuenzaniso, kuchenesa kupisa kubvisa saizi).

• Shandisa silane coupling agents kana adhesion promotions.

• Gadzirisa kuomesa chimiro kuti uderedze shrinkage kusagadzikana.

• Dzivirira kutama zvakanyanya.

Orange Peel, Kusadzika Kwemazinga, uye Yakakasharara Surface

Zviratidzo: Orange-peel-senge isina kuenzana maumbirwo kana yakazara matte rough pamusoro pasina kupenya.

Zvikonzero:

• Kusakwana kwekuita kwePTFE emulsion.

• Kunyanya kupisa kwekutanga kwekuomesa tembiricha inokurumidza kukora iyo firimu repamusoro uye inobvisa kuenzana kugona.

• Kuyerera kwemhepo inopisa yakananga kunovhiringidza nzvimbo yakanyorova yekuputira.

• Machira akakwenenzverwa akarukwa haakwanise kufukidzwa zvizere nematende ekuputira machira.

Mhinduro:

• Shandisa tembiricha yakaderera yekutanga yekuomesa - bvumira nguva yekuyera.

• Deredza mhepo inopisa munzvimbo yekutanga yekuomesa.

• Isa mabhachi akawanda matete pane bhachi gobvu rimwe chete.

• Shandisa ma-level agents kana zvichidiwa.

Warpage uye Shrinkage Deformation

Zviratidzo: Machira asina kuenzana pamusoro, akakomberedzwa selvedges, uye hupamhi huri pachena shrinkage.

Zvikonzero:

• Thermal shrinkage yejira refiberglass pasi pekuchinjana kunyorova uye kwakaoma kupisa mamiriro, kunyanya neine warp / weft kusagadzikana.

• Mismatch thermal shrinkage rates pakati pekuputira uye substrate.

• Single-sided drying kana hombe tembiricha gradients zvinogadzira musiyano shrinkage pamativi maviri ejira.

Mhinduro:

• Chengetedza tension yakaenzana yewap / weft panguva yekuomesa.

• Shandisa mativi maviri ekudziya kuti uenzanise shrinkage.

• Pre-shrink jira refiberglass usati wapfeka.

Pamusoro Pakaoma Asi Zvemukati Met – Roll Blocking

Zviratidzo: Iyo yekupfekedza inonzwa yakaoma kusvika pakubata asi ichichengeta unyoro hwemukati. Miti yakavharwa inonamira kune imwe neimwe mushure mekupeta, neruzha rwekusvuuka kana kukuvadzwa kwekuputira panguva yekusunungura.

Zvikonzero:

• High drying tembiricha yakabatana nenguva pfupi yekugara inoumba ganda repamusoro rinovhara mukati memvura vapor discharge.

• Kusatonhodza zvakakwana mushure mekubuda muovheni yekuomesa kunosiya kupisa kwasara uye kunoita kuti ma surfactants aite tacky.

• Kuomesa kusina kukwana kunosiya mvura yakasara uye zvinowedzerwa kuti zvigadzire mafirimu anonamira.

Mhinduro:

• Shandisa tembiricha yekuomesa yakadzika nenguva yekugara - bvumira hunyoro kubuda zvishoma nezvishoma.

• Ita shuwa kufefetera kwakakwana uye dehumidification muchoto.

• Ipai kutonhora kwakakwana musati mapeta (chinangwa <40°C).

Yakakora Selveges uye isina kuenzana Coating Ukobvu

Zviratidzo: Iyo yekupfekedza pamipendero yejira yakakora zvakanyanya kupfuura nzvimbo yepakati, kana mitsetse misiyano yeukobvu inooneka pawebhu.

Zvikonzero:

• Kukurumidza kufefeterwa kwemwando pamaseldges kunofambisa emulsion kuunganidzwa uye kutama kuenda kumucheto panguva yekuomeswa - iyo 'kofi ring effect'.

• Kuparadzirwa kwemhepo inopisa isina kuenzana kunogadzira mazinga akasiyana ekuomesa.

Mhinduro:

• Natsiridza kuyerera kwemhepo kufanana muhupamhi hwejira rakazara.

• Shandisa edge-zone tembiricha kutonga kana mabhaffles kudzikisa kumucheto kuomeswa mitengo.

• Rongedza nzira yekubatisa kuti uise yakawanda yunifomu yakanyorova firimu ukobvu.

Pfupiso - Kiyi yekuomesa Paramita yekudzora

Aokai PTFE inonyatso kudzora kuomesa paramita - tembiricha chimiro, kuyerera kwemhepo, nguva yekugara, uye tension - kugadzira PTFE jira risina kukanganisa uku. Kune tsika yekupfekedza maapplication, tinogona kukwidziridza mamiriro ekuomesa kune chako chaicho chigadzirwa zvinodiwa.

Zviri pamusoro apa zvinopihwa ne Jiangsu Aokai New Materials Technology Co., Ltd.

Kana iwe uchida kudzidza zvakawanda pamusoro pezvakatsanangurwa zvakatsanangurwa, mamiriro ekushandiswa uye zvigadziriso zvakagadzirirwa zvechigadzirwa chedu chizere, kusanganisira PTFE machira epamusoro-tembiricha, PTFE high-temperature matepi, PTFE mesh conveyor mabhandi, seamless bonding machine bhandi, single-sided PTFE jira, high-temperature resistant , high-temperature resistant fabrics please contact. isu:

• VaGuo: +86 18944819998

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