PVDF (Polyvinylidene Fluoride): Kayayyaki, Aikace-aikace, da Kera

Polyvinylidene fluoride (PVDF) babban fuloropolymer ne mai girma wanda aka kimanta don juriya na sinadarai, ƙarfin injina, kwanciyar hankali na zafi, da tsafta mai girma. Ana amfani dashi ko'ina inda robobi na yau da kullun suka gaza: sarrafa sinadarai, masana'antar semiconductor, tsarin magunguna, da kula da ruwa. Wannan jagorar ya bayyana abin da PVDF yake, mahimman kaddarorinsa, yadda aka yi shi, inda ake amfani da shi, da yadda ake zaɓar bututun PVDF, kayan aiki, da bawuloli.

Menene PVDF?

PVDF yana nufin polyvinylidene fluoride, kuma an rubuta polyvinylidene difluoride. Semi-crystalline thermoplastic fluoropolymer wanda aka yi ta hanyar polymerizing vinylidene fluoride (VDF), tare da dabara (CH₂–CF₂) n. Ba kamar PTFE ba, ana iya fitar da PVDF da yin allura tare da hanyoyin thermoplastic na al'ada, don haka ana iya sanya shi cikin bututu, kayan aiki, bawuloli, da hadaddun abubuwa. Yana ba da ma'auni mai ƙarfi na juriya na sinadarai, ƙarfin injina, da aiwatarwa.

PVDF vs PVF: Share Rudani

Yawancin masu siye suna neman 'polyvinyl fluoride (PVDF)', amma sunaye biyu suna bayyana kayan daban-daban. PVDF shine polyvinylidene fluoride. Polyvinyl fluoride (PVF) wani nau'in polymer ne daban wanda aka yi daga vinyl fluoride kuma ana amfani dashi musamman a cikin siraran kariya na fina-finai. Idan kuna buƙatar bututu, kayan aiki, bawuloli, ko takarda don sabis na sinadarai, tabbas kuna neman PVDF.

Key Properties na PVDF

Juriya na Chemical

PVDF yana tsayayya da yawancin acid na ma'adinai, halogens, abubuwan da ke haifar da iskar oxygen, hydrocarbons, alcohols, da abubuwan kaushi na halogenated. Sanann iyakarta shine sulfuric acid mai zafi mai zafi da amines masu zafi, kuma yana narkar da a cikin abubuwan kaushi na polar aprotic kamar NMP, DMF, da DMSO. Koyaushe bincika taswirar dacewa don ainihin matsakaicin matsakaici, maida hankali, da zafin jiki.

Ayyukan thermal

PVDF yawanci ana kimanta don ci gaba da sabis daga -20 °C har zuwa 140 °C, wanda ya fi PVC, CPVC, da polypropylene. Bai kamata a fallasa shi da wuta ba ko kuma ya yi zafi fiye da yadda ake sarrafa shi, saboda bazuwar yana fitar da hayaki mai guba mai ɗauke da fluorine.

Ƙarfin Injini da Juriya

PVDF yana da tsauri kuma mai jurewa, tare da juriya mai kyau ga gajiya da sanyi. Yana kashe kansa, tare da ƙayyadaddun iskar oxygen (LOI) na kusan 44%.

Babban Tsafta da Tsarewar UV

Ƙananan abubuwan cirewa da ƙasa mai santsi suna sanya PVDF daidaitaccen zaɓi don ruwa mai ƙarfi. Kashin bayansa na carbon-fluorine shima yana tsayayya da hasken UV da yanayin yanayi, don haka yana aiki sosai a waje.

Ƙimar ta bambanta da ƙima da ƙira, don haka tabbatar da su a kan takaddar bayanan samfurin da kuke shirin siya.

Nau'i da Matsayi na PVDF

PVDF homopolymer yana ba da mafi girman crystallinity, ƙarfi, da juriya na sinadarai, kuma shine daidaitaccen zaɓi na bututu da kayan aikin sinadarai. Copolymers, yawanci tare da HFP ko CTFE, sun fi sassauƙa kuma sun dace da waya, kebul, da tubing. Hakanan makin ya bambanta ta hanyar narkewar danko, nauyin kwayoyin halitta, da tsabta, daga daidaitattun maki masana'antu zuwa manyan maki masu tsafta don amfani da semiconductor.

Ta yaya ake kera PVDF?

Ana yin PVDF ta hanyar polymerization na kyauta na VDF monomer, a cikin dakatarwa ko emulsion, kuma ana kawota azaman foda ko pellets. Ana canza resin ta hanyar:

• Extrusion: yana samar da bututu, bututu, sanduna, zanen gado, da fina-finai. Dole ne kayan aiki su nisanci matattun tabo inda narkakken guduro zai iya yin rauni da raguwa.

• Gyaran allura: yana samar da kayan aiki, jikin bawul, da gidaje. Narkar da yanayin zafi na kusan 200-270 ° C ne na al'ada, kuma ƙirar ƙirar dole ne ta ba da damar raguwar kusan 3-4%.

• Matsi gyare-gyare, foda, da sarrafa bayani: ana amfani da su don linings, coatings, da membranes.

Aikace-aikace na PVDF

Bayan bututun, PVDF sabon cakuɗen kwanciyar hankali na sinadarai, iya aiki, da halayen lantarki ya buɗe yawancin amfani-matakin kayan aiki. Don aikace-aikacen bututu kamar sinadarai, ruwan sha, da layukan tsafta, duba jagoranmu Menene PVDF Pipe?

Batirin Lithium-ion

PVDF shine babban mai ɗaure polymer don lantarki a cikin samar da baturin lithium-ion. Yana ɗaure kayan aiki da kyau kuma yana kumbura kaɗan a cikin electrolyte. Guduro-jin guduro yana da tsattsauran tsafta da ƙayyadaddun girman barbashi fiye da maki masana'antu.

Ƙwayoyin Tacewa

Ana amfani da membranes na PVDF a cikin microfiltration da ultrafiltration don kula da ruwa, tacewa na magunguna, da aikin fasahar kere kere, wanda aka kimanta don ƙarfin sinadarai da porosity mai sarrafawa.

Rubutun Gine-gine

Rubutun tushen PVDF akan ƙulla ƙarfe suna tsayayya da UV, faduwa, da alli, kuma galibi ana haɗa su da resin acrylic. Ana auna rayuwar sabis a cikin shekaru da yawa.

Waya da Kebul Insulation

PVDF da copolymers dinta suna rufe waya da kebul wanda dole ne su kasance masu sassauƙa da tsayayya da zafi, sinadarai, da harshen wuta.

Sensors da Fina-finan Piezoelectric

A cikin β-lokacin sa PVDF yana haifar da caji ƙarƙashin damuwa ko zafi, don haka ana amfani dashi a cikin na'urori masu sassauƙa, transducers, da na'urorin girbin kuzari.

Sinadarai da Tsaftataccen Tsafta

Hakanan ana amfani da PVDF don famfo, rufin tanki, da abubuwan sarrafa ruwa a cikin sinadarai, semiconductor, magunguna, da masana'antar sarrafa ruwa. Matsayi mai tsafta yana ɗaukar ruwan ultrapure don tsire-tsire na semiconductor, ruwan magunguna (ciki har da ruwan allura), da ruwan da aka lalatar don dakunan gwaje-gwaje, kuma yana iya ɗaukar ozone, ruwan zafi, da kafofin watsa labarai na lalata tururi.

Bututun PVDF, Kayan aiki, da Bawul

Bututu shine sanannen nau'in masana'antu na PVDF. Don jagorar mai siye zuwa bututun PVDF, gami da dacewa da sinadarai, iyakokin zafin jiki, da kwatantawa da PVC, PPH, da bututun ƙarfe, karanta. Menene PVDF Pipe?

Huasheng's PVDF yana rufe kewayon PVDF bututu, Kayan aikin PVDF , da PVDF bawuloli . Kayan aiki yawanci sun haɗa da gwiwar hannu, tees, masu ragewa, ƙungiyoyi, da flanges, yayin da bawuloli ke sarrafa ruwa mai lalacewa da tsafta.

Hanyoyin shiga

Tsarukan PVDF galibi ana haɗa su ta hanyar haɗin gindi, fusion na soket, walda infrared, ko haɗin kai. Huasheng's PVDF-UHP yana amfani da waldi na infrared zuwa daidaitaccen DVS 2207-6. Bi ma'aunin walda na masana'anta, tunda ƙarancin haɗin gwiwa shine tushen ɗigo.

Yadda Ake Zaba Mai Bayar da Bututun PVDF

Kafin yin oda, tabbatar da matsakaici, maida hankali, zafin aiki da matsa lamba, buƙatun tsarki, da hanyar haɗawa. Tambayi mai kaya don takaddun bayanai na kayan aiki, ƙimar matsa lamba, da jagororin walda.

Huasheng yana ba da bututun PVDF, kayan aiki, da bawuloli, tare da PFA, PVC, CPVC, PPH, da tsarin bututun PE da sabis na OEM, don haka ana iya samun ayyukan haɗaɗɗun kayan aiki daga mai siyarwa ɗaya.

Domin semiconductor, Pharmaceutical, da ultrapure tsarin ruwa, Huasheng's PVDF-UHP kewayon an yi shi daga PVDF mai tsabta da aka shigo da ita. Kayan aiki da bawuloli ana yin allura kuma ana fitar da bututu. Ana yin samarwa a cikin ɗaki mai tsabta na ISO 14644-1 Class 7, yayin da ake yin taro, ingantacciyar dubawa, da tsabtace ruwa mai tsabta 18 MΩ a cikin ɗaki mai tsabta na Class 5. Ƙunƙarar saman ciki shine Ra ≤ 0.35 µm don sassa masu allura da Ra ≤ 0.25 µm don bututu da aka fitar. Kowane samfur yana ɗauke da alamar dindindin tare da lambar tsari, abu, girma, da ƙimar matsi don ganowa, kuma gwaji yana ɗaukar duban gani, juriyar juzu'i, gwajin matsa lamba, da gwajin hazo na lokaci-lokaci bisa ga SEMI F40/F57.

PVDF FAQs

Shin PVDF iri ɗaya ne da polyvinyl fluoride (PVF)?

A'a. An yi PVF daga vinyl fluoride. An yi PVDF daga vinylidene fluoride.

Menene madaidaicin zafin jiki na PVDF?

Yawanci daga -20 °C har zuwa 140 °C ci gaba da sabis, dangane da matsayi, matsa lamba, da yanayin sinadarai.

Wadanne sinadarai ne ke kai hari ga PVDF?

Sulfuric acid mai zafi mai zafi, amines mai zafi, da abubuwan kaushi na polar aprotic kamar NMP, DMF, da DMSO.

PVDF vs PTFE: wanne zan zaɓa?

PTFE ya fi rashin aiki da juriya mai zafi, amma PVDF ya fi ƙarfi da sauƙin sarrafawa da walda, wanda ya sa ya zama zaɓi mai amfani don yawancin bututun.

Za a iya sake yin amfani da PVDF?

Ee, ana iya narkar da shi kuma a sake sarrafa shi, kodayake zaɓuɓɓukan tarin suna iyakance.

Kammalawa

PVDF ya haɗu da juriya na sinadarai, kwanciyar hankali na thermal, ƙarfi, da tsabta, wanda shine dalilin da ya sa ya maye gurbin robobi na yau da kullun a cikin tsarin buƙata. Ana neman PVDF bututu, kayan aiki, ko bawuloli? Nemi samfurin , bincika E-catalog , ko Tuntuɓi Huasheng don magana.