Kufotokozera kwazizindikiro zazikulu zoyeserera zazinthu za PTFE

Pali zida 10 zotsutsana ndi dzimbiri, ndipo zotsatirazi zikuwonetsa zomwe zimagwira ntchito komanso mawonekedwe ake:

1. Polytetrafluoroethylene PTFE (F4)

1. Sing'anga yogwiritsidwa ntchito: asidi amphamvu, alkali wamphamvu, oxidant wamphamvu, zosungunulira organic, ndi zina. Kutentha kwa ntchito: ≤180°C

2. Mawonekedwe: Kukhazikika kwabwino kwamankhwala, kukana kutentha kwakukulu komanso kuzizira kozizira;low friction coefficient, zabwino zodzitchinjiriza zokha, kusayenda bwino kwamadzi komanso kukulitsa kwakukulu kwamafuta.Makhalidwe ake apadera satha kutheka ndi zipangizo zina, kotero PTFE imadziwika kuti "mfumu ya pulasitiki" ndipo ndizinthu zosawononga kwambiri padziko lapansi masiku ano.

2. Soluble polytetrafluoroethylene (PFA)

1. Sing'anga yogwiritsidwa ntchito: asidi amphamvu, alkali wamphamvu, oxidant wamphamvu, zosungunulira organic, ndi zina. Kutentha kwa ntchito: ≤180°C

2. Mbali: Ndi mtundu watsopano wa utomoni wokhala ndi fluorine wofanana ndi F46.Ndi mitundu yatsopano yomwe idapangidwa kuti igonjetse vuto la kukonza ndikupanga polytetrafluoroethylene, ndikusunga kwathunthu magwiridwe antchito abwino kwambiri a polytetrafluoroethylene.Zida zabwino zamakina komanso zotchinjiriza zamagetsi, kukana kutentha kwambiri komanso kugundana kocheperako, kuletsa moto, utsi wochepa komanso kukana kwamlengalenga.Ubwino waukulu ndikuti ndizosavuta kupanga.

3. Polyperfluoroethylene propylene FEP (F46)

1. Sing'anga yogwiritsidwa ntchito: organic solvent kapena reagent, dilute kapena inorganic acid, mowa, ketone, onunkhira hydrocarbon, chlorinated hydrocarbon, ndi zina. Kutentha kwa ntchito: ≤180°C

2. Mawonekedwe: Zimango, mphamvu zamagetsi ndi kukhazikika kwamankhwala ndizofanana ndi za F4, koma mwayi wapadera ndikuti kulimba kwake kumakhala kwakukulu, ngakhale chitsanzo cha notched chikuthamangitsidwa mosalekeza, chimakhala ndi kukana kwambiri kwanyengo ndi ma radiation, ndipo ndi yosavuta kuumba ndi kukonza.Ndi utomoni wokhala ndi fluorine wopangidwa kuti athetse vuto lopanga polytetrafluoroethylene.Kuwonjezera pa ntchito kutentha m'munsi kuposa F4, amasunga kwambiri zimatha polytetrafluoroethylene.

4. Polychlorotrifluoroethylene PCTFE (F3)

1. Ntchito sing'anga: zosungunulira zosiyanasiyana organic, inorganic etching zakumwa (oxidizing zidulo).Kutentha kwa ntchito: ≤120°C

2. Zomwe zili: kukana kutentha, mphamvu zamagetsi ndi kukhazikika kwa mankhwala ndizochiwiri kwa F4, mphamvu zamakina, kukana kukwawa, kuuma kuli bwino kuposa F4.

5, polyvinylidine fluoride PVDF (F2)

1. Ntchito sing'anga: kugonjetsedwa ndi mankhwala ambiri ndi zosungunulira.Kutentha kwa ntchito: ≤120°C

2. Mawonekedwe: Kulimba kwamphamvu ndi mphamvu zopondereza ndizabwino kuposa F4, kupindika bwino komanso kukana kuzizira kozizira;nyengo kukana, kukana ma radiation, kukana kuwala ndi odana ndi ukalamba, etc. Mbali yaikulu ndi amphamvu adhesion, kulimba bwino ndi zosavuta kupanga.

6, kusinthidwa polypropylene (GXPP)

1. Sing'anga yogwiritsidwa ntchito: njira yosowa kapena yokhazikika yamadzi amchere amchere, asidi kapena alkali.Kutentha kogwira ntchito: ≤100°C

2. Mbali: Ndi imodzi mwa mapulasitiki opepuka kwambiri.Zokolola zake, zolimba komanso zolimba mtima komanso zolimba ndizabwino kuposa polyethylene yotsika.Ili ndi kukhazikika kwapadera, kukana kutentha kwabwino, kuumba kosavuta komanso mtengo wotsika.Pambuyo pa kusinthidwa, mphamvu, fluidity, ndi flexural modulus ya elasticity imasinthidwa.

7. Polyolefin yosinthidwa (GXPO)

1. Ntchito sing'anga: ndende zosiyanasiyana za asidi ndi mchere mchere ndi zina zosungunulira organic.Kutentha kogwira ntchito: ≤110°C

2. Ndizinthu zabwino kwambiri padziko lonse lapansi zotsutsana ndi kutu, zotsutsa-static, zopanda poizoni komanso zamphamvu kwambiri.Zakhala zikugwiritsidwa ntchito kwambiri pazida zazikulu zozungulira ndi ma valve ndi mapaipi opaka.Amagwiritsidwa ntchito kwambiri mu mankhwala, zitsulo, chakudya, zoyendera, mankhwala, nsalu ndi mafakitale ena.

8, polyvinyl kolorayidi (yolimba) PVC

1. Sing'anga yogwiritsidwa ntchito: yosamva madzi, alkali woyikira, asidi osatulutsa okosijeni, unyolo wa hydrocarbon, mafuta ndi ozoni.Kutentha kogwira ntchito: ≤60°C

2. Zomwe zili: mphamvu zamakina apamwamba, kukhazikika kwa mankhwala ndi dielectric katundu, kukana mafuta ndi kukana kukalamba ndizopambana, zosavuta kuwotcherera ndi kugwirizana, mtengo ndi wotsika.

9. Polyethylene yapamwamba kwambiri ya molekyulu (UHMW-PE)

1. Ntchito sing'anga: Iwo akhoza kukana zosiyanasiyana zikuwononga TV (kupatula asidi, zamchere, mchere, koma oxidizing asidi) ndi zosungunulira organic.Kutentha kogwira ntchito: ≤100°C

2. Mawonekedwe: kukana kwapadera kwa mavalidwe, kugundana kocheperako komanso kudzipaka mafuta;kukana kwambiri kupsinjika kwa mng'alu, kukana kutentha kwambiri komanso kutentha kochepa;mphamvu yabwino kwambiri yolimbikira, mphamvu yayikulu kwambiri.Kukhazikika kwabwino kwamankhwala ndi kukana kutopa;palibe adsorption pamwamba, kwambiri kutchinjiriza magetsi;palibe ntchito zonse monga zopanda poizoni.

10, FRP (phenolic) FRP

1. Ntchito sing'anga: zosungunulira organic, kutentha kusamva mafuta, asidi ndi brine.Kutentha kwa ntchito: ≤120°C

2. Zomwe Zilipo: Zida zamakina apamwamba kwambiri, kutsika kwamphamvu kwamphamvu pansi pa zokometsera zamadzi, mphamvu zamagetsi zamagetsi komanso kukana kwa asidi ndi kutu kwa alkali, osapunduka mosavuta ndi kusintha kwa kutentha ndi chinyezi, zosavuta kupanga komanso zotsika mtengo.