PTFE Kugadzirisa uye Zvishandiso

ChiiPTFE?

Ngatitangei kuongorora kwedu kuti PTFE chii chaizvo.Kuti uipe zita rayo rakazara, polytetrafluoroethylene i polymer yakagadzirwa ine zvinhu zviviri zviri nyore;carbon uye fluorine.Inotorwa kubva ku tetrafluoroethylene (TFE) uye ine zvimwe zvakasiyana-siyana zvinoita kuti ive chinhu chinobatsira mune zvakasiyana-siyana zvekushandisa.Semuyenzaniso:

Pakanyanya kunyungudika: Nekunyungudika kunosvika 327°C, pane mashoma mamiriro apo PTFE ingakuvadzwa nekupisa.

Hydrophobic: Kuramba mvura kunoreva kuti haimbonyorova, zvichiita kuti ibatsire mukubika, machira ekupfeka nezvimwe.

Kemikari inert: Iyo yakawanda yezvinonyungudutsa uye makemikari hazvizokuvadza PTFE.

Low coefficient of friction: The coefficient of friction of PTFE ndechimwe chepasi pane chero chakasimba chiripo, zvichireva kuti hapana chinonamatira pachiri.

High flexural simba: Iko kugona kukotama uye kuchinjika, kunyangwe pakudziya kwakadzika, zvinoreva kuti inogona kuiswa nyore kune akasiyana siyana pasina kurasikirwa kwayo.

Kugadziriswa kwePTFE

PTFE inogona kuwanikwa mune granular, dispersion uye yakanaka hupfu mafomu.Semi-crystalline PTFE ine tembiricha yekunyungudika uye kunyungudika viscosity, zvichiita kuti yakajairika extrusion uye jekiseni kuumba kuoma.PTFE kugadzirisa, saka, yakafanana nekugadzira hupfu kupfuura iyo yemapurasitiki echinyakare.

Granular PTFE inogadzirwa mumvura-based suspension polymerisation reaction.Iyo inoguma granular resin inowanzogadziriswa kuita chimiro kuburikidza nekumanikidza kuumbwa.PTFE dispersion products zvinogadzirwa nenzira yakafanana, nekuwedzera dispersing agents.Zvigadzirwa zvekuparadzira zvinogona kushandiswa kune PTFE coatings kana zvinogona kugadziriswa kuita firimu rakatetepa nekukanda firimu.PTFE poda inogadzirwa mune emulsion polymerisation reaction.Upfu hwakatsetseka hunoguma hunogona kunamira kuwedzererwa mumatepi ePTFE, PTFE tubing, uye kuvharisa waya, kana kushandiswa sechinhu chinowedzera kuwedzera kuomarara mune zvimwe zvinhu zvepolymeric.

Pamusoro 5 Zvishandiso zvePTFE

1. Kushandiswa kwezvinhu zvinorwisa-corrosion

Rubha, girazi, simbi alloy uye zvimwe zvinhu zvinotadza kusangana neyakaomarara mamiriro ekushisa, kudzvanywa uye makemikari media kugarisana nharaunda nekuda kwekukanganisa kwavo mukupokana nekuora.Nekudaro, PTFE ine yakanakisa anti-corrosion kuramba uye nekudaro yave iyo huru-inodzivirira zvinhu zvepetroleum, makemikari, machira uye mamwe maindasitiri.

2. Kushandiswa kwezvinhu zvakaderera zvekukwesha mumutoro

Mafuta ekuzora haakodzere kukweshana kwezvimwe midziyo, nekuti mafuta ekuzora anogona kunyungudutswa nezvinonyungudutsa uye haashande, kana zvigadzirwa mumishonga, chikafu, machira uye mamwe maindasitiri minda zvinoda kudzivirira kusvibiswa nemafuta.Nekuda kweizvozvo, PTFE purasitiki, iyo coefficient yekukwesha yakadzikira kupfuura chero ipi neipi inozivikanwa yakasimba zvinhu, yave yakanyanya kunaka zvinhu zvekuisa mafuta-isina lubrication (yakananga kutakura mutoro) yemechini michina yezvikamu.

3. Kushandiswa mumagetsi nemagetsi

Inherent yakaderera kurasikirwa uye diki dielectric kugadzika kwePTFE zvinhu zvinozvigonesa kugadzirwa mune enameled waya yemicro motors, thermocouples uye zvigadziriso zvekudzora.PTFE firimu ndiyo yakanakira insulation zvinhu zvekugadzira capacitor, redhiyo insulation liner, insulated tambo, mota uye ma transformer, uye zvakare chimwe chezvinhu zvakakosha zveaerospace uye zvimwe zvemagetsi maindasitiri.

4. Kushandiswa mumishonga yekurapa

Expanded PTFE is purely inert and very biologically adaptable, saka haikonzeri kurambwa nemuviri, haina physiological side effects pamuviri wemunhu, inogona kuomeswa neimwe nzira, uye ine multi-microporous structure.

5. Kushandisa anti-adhesive properties

Nekudzikama kwepasi kwepasi kwechero chinhu chakasimba, PTFE Teflon haina kunamatira kune chero chinhu.Uyezve, ine kupikisa kwakanyanya kune yakakwirira uye yakaderera tembiricha.Nekuda kweizvozvo, yakave yakashandiswa zvakanyanya mu-anti-adhesive chimiro cheasina-tsvimbo pani.