I-PTFE inzima ukuyibumba kunye nenkqubo yesibini.Izinto ze-PTFEinomlinganiselo omkhulu wokucutheka kunye ne-viscosity ephezulu kakhulu yokunyibilika, ngoko ayinakusetyenziswa kwiinkqubo zesibini zokucubungula ezifana nokubumba inaliti kunye ne-calendering, ezisetyenziswa ngokuqhelekileyo kwiiplastiki.PTFE intonga yegusha extruder ihlangabezana neemfuno zokusetyenzwa.Ke kutheni i-PTFE inzima ukuyiqhuba?
1. Iimpawu ezingalunganga zoomatshini kunye nomthamo wokuthwala umthwalo.Amandla omatshini we-PTFE yi-14 kuphela ukuya kwi-25 MPa, ngaphandle kokuqina, kodwa ulwando lokwaphuka lukhulu.I-coefficient yokwandiswa komgca inkulu.Kwi -50 ~ 250 ℃, i-PTFE i-coefficient yokwandisa i-linear ye-1.13 × 10-4 ~ 2.16 × 10-5 / ℃, ngamaxesha angama-13 entsimbi.Ngoko ke, kulula ukukhubaza, ukuqhekeka, kunye nezinye iziganeko kunye nezinye izinto.
2. Ukungahambi kakuhle kwe-thermal.I-Thermal conductivity ye-0.24kcal / (mh-℃ kuphela), kulula ukubangela ukwanda kwe-thermal, ukukhathala kwe-thermal, kunye nokuguqulwa kwe-thermal.
3. Ukuxhathisa okungahambi kakuhle, ukuhamba lula kubanda.I-PTFE kwindima yexesha elide yomthwalo, i-creep inkulu, kwaye ithanda ukuhamba okubandayo.Ukunganyangeki kakuhle kwe-abrasion,PTFEubunzima bezinto eziphathekayo buphantsi, kwaye i-abrasion inkulu.Xa umthwalo (P) kunye nesantya sokutyibilika (V) sidlula iimeko ezithile, ukunxiba kwayo okukhuphisanayo kuba kukhulu.Ixabiso lePV ke ngoko lilinganiselwe kwisicelo kwaye iindleko zemveliso ziphezulu.Iziphene ezingentla ze-PTFE zinciphisa usetyenziso lwayo, ukuphucula ukusebenza kwayo okubanzi.Uphando kwi-PTFE ekhaya nakwamanye amazwe lujolise ekufumaneni iindlela ezifanelekileyo zokuyilungisa, ngaloo ndlela iphucula ukusebenza kwayo ukuya kuthi ga kwinqanaba elithile kunye nokwandisa uluhlu lwayo lwezicelo.
4. Kwakhona kunokumelana okugqwesileyo kubushushu obuphezulu kunye nobushushu obuphantsi, okwenza ukuba kusetyenziswe ngokubanzi kakhulu kwizicelo ezifana nokuveliswa kweepaneli ezingenakunamathela kwiinjongo ezichasene ne-adhesive.Umphezulu wemolekyuli ye-PTFE isongelwe ngokupheleleyo ngeeathom zefluorine kwaye ke ngoko inophawu olungagungqiyo, nto leyo eyenza kube nzima ukubopha ngeendlela eziqhelekileyo.Inkqubo echasene nokuncamathelisa ibandakanya iintlobo ezimbini eziphambili: ukunyuswa kwamalungu e-PTFE okanye amashiti kwi-substrate kunye nokuncipha kobushushu.Iingubo ze-PTFEokanye ilaphu lelacquered elaminethiweyo ngeglasi phezu substrate.
Ixesha lokuposa: Dec-09-2022