Har abada abin mamaki me yasa filastik filastik yana da ko'ina? Daga bututu na na'urorin likita, wannan kayan masarufi ya sauya masana'antu da yawa. An gano ba da gangan ba a cikin 1872 ta kasar Kristi Eugen Baumann, PVC ya kusan zama muhimmin abu a duk duniya.
A cikin wannan post, zamu bincika kaddarorin, ayyukan kerawa, da nau'ikan filastik PVC. Hakanan zaku koya game da kewayon amfani da gyare-gyare waɗanda suke da mahimmanci a masana'antu a yau.
Fahimtar Cholyvinyl chloride (PVC)
Menene PVC (polyvinyl chloride)?
PVC, ko polyvinyl chloride, wanda kuma ake kira Vinyl, shine babban polymer na ciki. An san shi ne saboda ƙarfinsa, wadatar, da juriya ga sunadarai. Amfani da shi a masana'antu kamar gini, kiwon lafiya, da lantarki, PVC ya fi so don iyawarsa na tsayayya da matsanancin yanayi. Ba kamar wasu robobi ba, PVC na iya zama m ko tsaurara, dangane da abubuwan da aka yi amfani da su yayin samarwa.
PVC abu ne mai nauyi. Abu ne mai sauki muyi aiki tare kuma ana iya shafa shi cikin siffofi daban-daban, yana sanya shi tafi-zuwa zabi don aikace-aikace da yawa. Kyakkyawan aikin wutar lantarki na wutar lantarki kuma yana sanya shi ya dace da waya da kebul.
Tarihin Tarihi na gano PVC da Ci gaba
Gano PVC ya kasance haɗari mai farin ciki. A cikin 1872, Eugen na Cheugen na Jamusanci Baumann falls ya fallasa ta vinyl chloride zuwa hasken rana, yana samar da fararen fata - PVC. Koyaya, ba har zuwa 1913 cewa Friedrich Klatte ya mallaka wani tsari don polymerize PVC ta amfani da hasken rana ba, ƙulla hanyar amfani da kasuwanci.
A lokacin Yaƙin Duniya na, Jamus ta fara samar da sassauƙa da tsauraran pvC samfuran da aka maye gurbinsu. Ta tsakiyar karni na 20, PVC ta zama ɗaya daga cikin manyan makasudin masana'antu a duniya.
Kadarorin filastik PVC
PVC tana alfahari da tsarin kaddarorin musamman wanda ya sa kayan halitta ne don aikace-aikace daban-daban.
| Darajar | dukiya |
| Yawa | 1.3-1.45 g / cm³ |
| Shorfe sha (24h nutsewa) | 0.06% |
| Da tenerile | 7500 PSI |
| Modulal modulir | 481000 PSI |
| Bayani na izod tasiri | 1.0 ft-lbs / a ciki |
| Devection Daidaita zazzabi (264 PSI) | 158 ° F |
| Madaidaitan yaduwar zafi | 3.2 x 10-5 in / a / ° f |
| Karfin sata | 544 V / Mil |
Properties na jiki
Yawa : PVC tana da yawa daga 1.3-1.45 g / cm³ don tsauraran pvc. Wannan maɗaukaki yana da yawa yana taimakawa ga ƙarfinsa da tsoratarwa.
Shayarwa na Ruwa : PVC yana da karfin ruwa. A lokacin da nutsar da tsawon awanni 24, shi kawai 0.06% ruwa. Wannan yana sa shi mai tsayayya da danshi kuma ya dace da amfani na waje.
Kayan aikin injin
Tengy ƙarfi : PVC tana da ƙarfin tensile na 7500 PSI. Wannan ƙarfi mai ƙarfi yana ba shi damar yin tsayayya da mahimmancin damuwa ba tare da fashewa ba. Yana da kyau don aikace-aikacen da ke buƙatar tauri.
Modulal Modulir : Modulal Modulal Modulral shine 481000 PSI. Wannan gwargwado na taurin tabbatar da cewa PVC na iya ci gaba da siffarta a ƙarƙashin nauyin.
Bayanin tasirin IZOD IZOD : PVC Tasirin Tasirin IZOD IZOD shine 1.0 ft-lbs / a. Wannan yana nuna iyawarsa don tsayayya da tasirin tasirin kuma guje wa fracting.
Properties na Thermal
Devection dadancin zafin jiki : A PSI, zazzabi na yanayin zafi na PVC shine 158 ° F. Wannan shine zazzabi wanda ya fara lalata a karkashin nauyin. PVC ta kiyaye siffar ta da kyau a ƙarƙashin yanayin zafi matsakaici.
Tsararren faɗaɗa na Thermal : PVC tana da ingantaccen faɗaɗa na 3.2 x 10-5 a / a / ° F. Wannan yana auna yawan yana fadada tare da canje-canje na zazzabi. Ka'idodin PVC yana nufin yana da kwanciyar hankali na girma.
Kaddarorin lantarki
Kayan sunadarai
Chrismory juriya : PVC yana da tsayayya da magunguna da yawa, ciki har da acid, bots, salts, da aliphatic hydrocarbons. Wannan ya sa ya dace da amfani a cikin yanayin lalata.
Matsayi na Juriya : PVC na iya jure bayyanar hasken rana da sauran abubuwan yanayi. Wannan kadara tana ba da damar amfani da aikace-aikacen ta a waje.
Abvantbuwan amfãni da rashin amfani
Abubuwan da ke PVC suna ba da fa'idodi da yawa:
Maras tsada
Babban ƙarfi
Juriya juriya
Rowardna
Kyakkyawan rufi
Sauki don aiwatarwa
Koyaya, shi ma yana da wasu rashin nasara:
Rashin kwanciyar hankali mai zafi: PVC na iya lalata a yanayin zafi mai zafi.
Hijira na Juya -asa: Sama da lokaci, filastik zasu iya barin su, suna shafar kaddarorin PVC.
Mawaki masu wahala: PVC ta ƙunshi kilogiram, wanda zai iya saki abubuwa masu guba yayin samarwa ko kuma zubarwa.
Tsarin masana'antar masana'antu na PVC
Shin kun taɓa mamakin yadda ake yin filastik PVC? Tsari ne mai ban sha'awa wanda ya shafi matakai da yawa. Bari mu bincika tafiyar da kaddara wannan kayan masarufi.
Kayan kayan abinci
Ainihin kayan aikin samar da PVC sune:
Vinyl chloride monomer (vcm) : An samar da vcm ta hanyar hada Chlorine (wanda aka samo daga gishiri) da mai (daga gas). Ethylene dichloride an kafa. Don haka ya mai zafi a cikin mai fashewa don samar da VCM.
Additives : Ana amfani da ƙari da yawa don haɓaka kaddarorin PVC:
Cikakken kayan kwalliya: hana lalacewa yayin aiki
Filin filastik: Ingantaccen sassauya
FLERS: Version Abubuwan Kayan Aiki
Mantsiko: Taimako cikin aiki
UV mai tsauri: Kare kan lalata hasken rana
Hanyoyin Polymerization
PVC ya hade ta hanyar polymerization na VCM. Hanyoyin biyu sune:
Dakatar da polymerization :
An watsa vcm cikin ruwa tare da masu fama da ƙari da ƙari.
Ci gaba da haɗuwa yana kula da dakatarwa da girman barbashi.
Asusun 80% na samar da PVC a duk duniya.
Emulsion polymerization :
Vcm ana kama shi da sabar sabulu a cikin ruwa.
Ana amfani da wuraren da aka ruwaito ruwa mai ruwa.
Yana samar da PVC tare da ƙaramin ƙamshi (0.1-100 μm).
Duk hanyoyin biyu sun hada da zafi don fara polymerization. A sakamakon PVC resin shine fari, da m.
Haɗin kai da peletizing
PVC resin an gauraye da ƙari a cikin tsari da ake kira haɓaka. Ana yin wannan a cikin mahauriya ko masu ƙonewa don samar da hade da hade da juna.
Pvc da aka hada shi ne pellized. Yana daure ta hanyar mutu kuma a yanka a cikin ƙananan pellets. Wadannan pellets suna da sauƙin sarrafawa kuma a shirye don cigaba da aiki.
Ingancin iko da gwaji
An aiwatar da matakan kulawa mai inganci masu inganci a duk tsarin masana'antu. Wannan yana tabbatar da daidaitattun kaddarorin da aikin PVC.
Wasu gwajin gama gari sun hada da:
Matsayi mai yawa
Tenged Striting Gwada
Tasiri juriya na gwaji
Gwajin kwanciyar hankali
Gwajin juriya
Waɗannan gwaje-gwajen suna taimakawa tabbatar da cewa PVC ta cika ƙayyadaddun bayanan da ake buƙata don aikace-aikacen da aka nufa.
Tebur da ke da ke ƙasa yana taƙaita mahimman matakai a cikin masana'antar PVC:
| Mataki | Bayanin |
| Kayan kayan abinci | Vcm (daga chlorine da ethylene) da ƙari |
| Polymerization | Dakatar (80% na samarwa) ko emulsion |
| Dora ciki | Hada pvc resin tare da ƙari don haɓaka kaddarorin |
| Ɗaure tsakani | Rushewa da yankan pvc da aka hada cikin pellets |
| Ingancin iko & gwaji | Inganta kaddarorin da aiki ta hanyar gwaje-gwaje daban-daban |
Nau'in filastik PVC
PVC ya zo a cikin nau'ikan daban-daban, kowannensu tare da kaddarorin musamman da aikace-aikace.
M pvc (Upvc)
Kuma ana kiranta da pvc mara amfani ko pvc-u
M da tsada-tasiri
Babban tsayayya don tasiri, ruwa, yanayi, da mahalli marasa galihu
Yankewa: 1.3-1.45 g / cm³
Aikace-aikace: bututu, firam ɗin taga, da kayan gini
M PVC
M Pvc bututu
Ya ƙunshi filastik waɗanda ba sassauci ba
Rarrabuwa dangane da abun cikin filastik:
Yawa: 1.1-1.35 g / cm³
Aikace-aikace: igiyoyi, Hoses, da samfurori masu yawa
M PVC kaddarorin
Maras tsada
M da kuma babban tasiri tasiri
Kyakkyawan juriya ga UV, acid, Alkalis, da mai
Wanda ba mai wuta ba
Profile Profile
Chlorinated pvc (CPVC)
Samar da chlorination na PVLC resin
Chilline abun ciki ya karu daga 56% zuwa kusan 66%
Ingantakancin karko, kwanciyar hankali, da kuma flame regardy
Na iya yin tsayayya da yanayin zafi fiye da PVC na yau da kullun
Aikace-aikace: bututun ruwa mai zafi da kuma masana'antar ruwa
Orimed PVC (PVC-O)
Masana'antu ta hanyar shimfiɗa pvc-u butpes
Sake yin amfani da tsari na amorphous cikin tsarin da aka shimfida
Inganta halaye na zahiri:
Tauri
Gajiya juriya
Nauyi
Aikace-aikace: bututun matsin lamba
Gyara pvc (pvc-m)
Alloy na PVC ya kirkira ta hanyar kara jami'ai masu gyara
Inganta wahala da tasiri
Aikace-aikace: Ducts, haɗarin, da kuma kayan aiki suna buƙatar haɓakar haɓakawa
Teburin da ke ƙasa yana taƙaita nau'ikan maballin PVC da halayensu:
| Nazarin | Aikace-aikacen | CIGABA Aikace- | aikacen |
| M pvc | M, m | Tasiri, Yanayi, da juriya na sunadarai | Bututun, firam taga, gini |
| M PVC | Ya ƙunshi filastik don sassauci | UV, acid, Alkali, da juriya mai | Igiyoyi, hoses, inflatable |
| Chlorinated pvc | Chlorine abun ciki ya karu zuwa 66% | Ingantaccen karkara, juriya zafi | Bututun ruwa mai zafi, masana'antar ruwa ta masana'antu |
| Orrieded PVC | Mika pvc-u butpes | Ingantaccen Girma, Fatigue juriya | Babban aikin kwari |
| Gyara pvc | PVC Alloy tare da wakilai masu gyara | Ya karu da ƙarfi da ƙarfin tasiri | Ducts, Hadawa, Fitings |
Hanyar sarrafawa don filastik PVC
Abubuwan da suka shafi PVC ba kawai a cikin kadarorinta ba har ma a cikin hanyoyin da za a iya aiwatar. Bari mu nutse cikin hanyoyin da yawa da ake amfani da su don tsara wannan kayan cikin samfuran amfani.
Hawa
Thersion tsari ne mai ci gaba wanda ke haifar da dogon lokaci, bayanan martaba. PVC ta narke kuma an tilasta ta hanyar mutu don ƙirƙirar siffar da ake so.
Allurar gyara
Ana amfani da maganin allura don ƙirƙirar hadaddun, sassauƙa uku. Ana allolin PVC a cikin kogon ciki inda yake sanyaya da kuma ƙarfafa.
Aiwatar da sigogi :
Narke zazzabi: 170-210 ° C
Zazzabi na mold: 20-60 ° C
Waɗannan sigogi suna tabbatar da kwarara da kyau da sanyaya PVC
La'akari :
Da thermofing
Thermofing ya ƙunshi dumama takardar PVC har sai da ya fi so sannan ku gyara shi a kan mold. Shafin sannan ya sanyaya don riƙe sabon sifar.
Bude molding
Batare da aka yi amfani da shi ana amfani dashi don ƙirƙirar abubuwa masu kwari kamar kwalabe da kwantena. Tube na Molten PVC, wanda ake kira Parison, an saka shi a cikin mold.
Mashahurin
Magani tsari ne wanda yake samar da bakin ciki, ci gaba mai ci gaba ko fina-finai. An wuce PVC ta jerin masu tsayayyen rollers da ke damfara da siffanta shi.
3D bugu
3D Bugawa, ko masana'antu mai ƙara, sabuwar hanya ce don sarrafa PVC. Ya ƙunshi gina wani abu Layer ta Layer daga samfurin dijital.
| Hanyar sarrafawa | Bayanin | Bayanai |
| Hawa | Ci gaba da aiwatarwa don ƙirƙirar bayanan martaba | Bututu, tubing, zanen gado; ƙananan yanayin zafi fiye da allurar gyara |
| Allurar gyara | Haifar da hadaddun sassan ta hanyar yin amfani da mold | Slem Temp: 170-210 ° C, Mold Talata: 20-60 ° C; Motsa jiki-resistant molds |
| Da thermofing | Shafar zanen gado mai zafi a kan mold | Plaulle a 120-150 ° C; poppaging, alamu, abubuwan kayan aiki na motoci |
| Bude molding | Yana ƙirƙirar abubuwa masu rauni ta hanyar infoling | Kwalabe, kwantena; Ya dace da magunguna |
| Mashahurin | Samar da bakin ciki, mai ci gaba ko fina-finai | Fina-finai don tattarawa, alamomi; zanen gado don bene, tuddai |
| 3D bugu | Yana gina abubuwa Layer daga samfurin dijital | Sabon filayen PVC; m lalacewar abubuwan da aka gyara |
Waɗannan hanyoyin sarrafawa suna nuna daidaitawa PVC. Kowace hanya tana da nasa albashin da tunani. Zaɓin hanyar sarrafawa ya dogara da samfurin ƙarshen da ake so da kuma buƙatunta.
Gyare-gyare na filastik PVC
Ba a amfani da PVC a cikin tsarkakakken tsari. Sau da yawa ana canza shi da ƙari daban-daban don haɓaka kayan aikinta da aikinsa.
| Canjin | misalai masu | tasowa |
| Filastik | Phthales, adpates, trimllimes | Haɓaka sassauci, rage ƙarfi |
| Zafi mai tsauri | Calcium-zinc, tin-tushen | Hana lalacewa yayin aiki da amfani |
| Fasali | Alli carbonate, titanium dioxide, zaruruwa gilashin | Inganta kaddarorin na yau da kullun, rage farashi |
| Madrict | Paraffin wax, stearic acid | Inganta sarrafawa, rage tashin hankali |
| UV Tafata | HAL, Benzotriries | Kare kan UV Dradation |
| Tasirin Tasiri | Acrylic, mbs | Inganta hauhawar da juriya |
| Harshen Rage | Utity Trioxide, aluminum hydroxide | Inganta jurewar kashe gobara |
| Taimako | Acrylic-tushen, silicone-tushen | Haɓaka aiki da ingancin ƙasa |
| Cakuda | PVC / POLYESTER, PVC / PU, PVC / NBR | Inganta takamaiman kaddarorin don aikace-aikacen da aka nada |
Filastik
Filastik filastik na da ƙari ne waɗanda ke ƙaruwa sassauci da kuma aiki na PVC. Suna rage lu'ulu'u na polymer, yana sa shi ya fi so.
Nau'in :
PHThalate: saba amfani da sassauƙa a cikin igiyoyi da hoses
ADIPATES DA TAFIYA: An yi amfani da inda ake buƙatar ƙarin aiki, kamar a cikin masu ba da labari da na'urorin likita
Tasiri akan kaddarorin :
Zafi mai tsauri
Heatformers mai tsauri yana hana lalata PVC yayin aiki da amfani. Suna magance ƙwayar ƙwayar cuta ta hydrochloric acid (HCL) lokacin da aka fallasa PVC zuwa zafi.
Fasali
Ana amfani da fillers don haɓaka kaddarorin na PVC da rage farashin. Zasu iya karuwar tsauri, karfi, da kwanciyar hankali.
Alli carbonate :
Titanium dioxide :
Gilashin Gilashi :
Madrict
An kara wa dan zuba a PVC don inganta aikinta. Suna rage tashin hankali yayin cirewa da gyada, hana m da tabbatar da kwantar da hankali.
UV Tafata
UV Tantaruka Kare PVC daga Degradation da ke haifar da hasken rana. Suna hana discoloration, Chlingking, da asarar kayan aikin injin.
Tasirin Tasiri
Masu sauya abubuwa masu tasowa inganta ta da wahala PVC da juriya kan tasiri. Suna inganta ikon abu don ɗaukar makamashi ba tare da fatattaka ba.
Harshen Rage
Flame retardts ta inganta juriya na PVC, sanya shi da aminci ga amfani a aikace-aikace daban-daban.
Ut :
Alumumy Hydroxide :
Ya saki tururi mai ruwa lokacin da aka yi masa sanyi, sanyaya kayan
Yana taimakawa wajen samar da kariyar kariya
Taimako
Abunda ke aiki yana da ƙari wanda ke haɓaka aikin PVC da ingancin ƙasa.
Cakuda tare da sauran thermoplastastics
Haɗawa PVC tare da sauran thermoplastics na iya inganta kaddarorinta don takamaiman aikace-aikace.
PVC / POLYESTER CIGABA :
Haɓaka kaddarorin injiniyoyi kamar juriya na farji, ƙarfin tsayayya, da juriya
Ya dace da aikace-aikacen mota da masana'antu
PVC / PU cakuda :
Pvc / nbr cakuda :
Wadannan gyare-gyare suna nuna abin mamaki na PVC. Ta hanyar zabar dalla-dalla, masana'antun za su iya ƙirar PVC don dacewa da ɗimbin aikace-aikace da yawa.
Aikace-aikace da amfani da filastik na PVC
Juyawar PVC ta sa ta zama kayan aiki don aikace-aikace da yawa. Daga ginin zuwa Kiwan lafiya, daga Automototive zuwa kayan masu amfani, PVC tana ko'ina.
Masana'antar gini
PVC ma'aikaci ne a bangaren gine-ginen. Tsabancinsa, juriya ga yanayin kafawa, da sauƙin tattarawa ya sanya shi zabi mai kyau don aikace-aikace daban-daban.
PVC bututun da kayan aiki :
Amfani da bututun ruwa, dinka, da ban ruwa
Mai tsayayya da lalata da harin
Haske mai sauƙi da sauƙi don kafawa
Bayanan taga da ƙofofin :
Samar da kyakkyawan rufewa da yanayin yanayi
Na bukatar karancin kulawa
Akwai shi a cikin launuka daban-daban da ƙarewa
Bene da kuma murfin bango :
Lantarki da lantarki
PVC ita ce kyakkyawan insulating kaddarorin da juriya kashe gobara suna sanya shi sanannen sanannen abu a cikin masana'antar masana'antar lantarki da lantarki.
Kiwon lafiya da na'urorin likita
Biocommilanciciativativativesciativatilatives, tsabta, da ikon zama haifuwa ya sa shi abu mai mahimmanci a cikin kiwon lafiya.
Fadar mota
Tsarin mulkin PVC, juriya na sinadarai, da rarrafe ya sanya shi da amfani a aikace-aikace daban-daban na aiki.
Abubuwan ciki na ciki :
Amfani da dashboards, bangarori kofa, da kujerar kujerar
Samar da kyawawan kayan ado da karko
Mai tsayayya da sutura da UV Convet
A wani kariya :
Marufi
Fahimtar PVC, juriya na sinadarai, da kuma damar da za a iya gyara shi ya zama sanannen zabi.
Kayan masarufi
PVC ta nuna bambanci da tsauraran sa shi abu ne gama gari a cikin samfuran masu amfani da yawa.
| aikace-aikace na | Misalin | aikace-aikace |
| Shiri | Bututu, windows, barasa | Karko, juriya na yanayi, shigarwa mai sauƙi |
| Lantarki & wayoyin lantarki | Cable rufewa, hade | Insulation, Resistance Resurcessancese |
| Lafiya | Jakar jini, safofin hannu na jini | Biocomptilsila, tsabta, sterilizablity |
| Mayarwa | Abubuwan ciki na ciki, a duk wani kariya | Karko, juriya na sinadarai, karfin gwiwa |
| Marufi | Ficewar abinci, fakitoci | Tsabta, juriya na sinadarai, karfin gwiwa |
| Kayan masarufi | Tufafi, takalmi, kayan wasa | Onarancin, rudani, aminci |
Waɗannan 'yan misalai ne kawai na aikace-aikacen da yawa na PVC. Haɗinsa na musamman na kaddarorin yana sa shi wani abu mai mahimmanci a cikin duniyar yau.
Muhalli na muhalli
Yuwuwar sakin abubuwa masu guba
PVC samarwa da amfani na iya saki abubuwa masu cutarwa, musamman yayin masana'antu da zubar da su. Dioxins da Vinyl chloride suna da samfuran PVC, suna nuna mahimmancin muhalli da kiwon lafiya. A lokacin da PVC ke ƙonewa ko ba da izini ba, zai iya sakin waɗannan sinadarai masu guba, suna ba da gudummawa ga gurbata iska da haɗarin kiwon lafiya ga ma'aikata.
Hipperimita na ƙasa da ragowar
M PVC sau da yawa yana ƙunshe da filayen filastik don haɓaka sassauci. A tsawon lokaci, waɗannan filayen filastik na ƙaura daga kayan, yuwuwar barin ragowar ruwa mai cutarwa. Karatun ya nuna cewa Phthales , wani nau'in na yau da kullun na filastik, na iya rushe lafiyar ɗan adam, yana iya haifar da tsarin hormones da tsarin haihuwa. Wannan ya haifar da damuwa game da amincin PVC a cikin samfuran masu amfani.
Tasiri na mai tsayayyen zafi na takin zamani
Tarihi, PVC ta dogara da tsaurin tsayayyen zafi na karfe, musamman jagoranci , don hana lalata yayin aiki. Duk da yake tasiri, waɗannan masu kwazo suna haifar da mahimman haɗari yayin da aka jefa PVC ko sake sake. Jaradarin gurbatawa a cikin sharar PVC yana sa sake amfani da wahala da kuma haifar da haɗarin muhalli na dogon lokaci.
| Heating mai tsauri | mai haɗarin haɗari |
| Takin-kwantar da hankali | Gurbataccen yanayin zama, ƙalubalen sake maimaita ƙalubalen |
| Tin-tushen tsaurara mai tsauri | Amintattu amma mafi tsada |
| Calcium-zink | Marasa guba, madadin abokantaka |
Ci gaban marasa guba
Saboda amsa wadannan damuwar, masana'antar ta nuna wa tsarin rashin guba da kuma Eco-Stars . Zaɓuɓɓuka kamar takin zamani-zink an inganta su don maye gurbin karafa masu cutarwa. Wadannan sabbin abubuwan da suka karba suna kula da aikin PVC ba tare da daidaita lafiyar muhalli ba. Hakanan ana amfani da ƙoƙari don ƙirƙirar tushen tushen bio da ba sa haifar da haɗari iri ɗaya kamar yadda aka saba da al'adun gargajiya.
Tsarin sake dubawa na rufewa
Key mai da hankali a masana'antar PVC na kafa tsarin sake dubawa . Wannan ya shafi sake fasalin pvc sharar gida, rage buƙatar sabon albarkatun ƙasa da rage tasirin muhalli. Vinylplus , wani yunƙurin binciken PVC ne, ya sami dogaro da tarin da kuma sake sarrafa samfuran PVC. Ta hanyar tabbatar da cewa shararan PVC za a iya magance su kuma ana iya yin watsi da su, da masana'antun suna nufin rage shimfidar ƙasa da inganta tattalin arziƙi da inganta tattalin arziƙi.
Sake sarrafawa da zubar da PVC
Sake dawo da PVC yana ƙalubalance saboda kasancewar ƙari da impures. Akwai hanyoyi guda biyu na sake amfani da PVC:
Kayan aikin kwaikwayo na inji : ya ƙunshi niƙa da kuma yin addu'ar pvc sharar gida a cikin sababbin kayayyaki. Koyaya, kasancewar cikawa na iya rage ingancin kayan da aka sake.
Abubuwan da ke tattare da sunadarai : karya PVC ta shiga cikin abubuwan ginannun sa, wanda za'a iya sake amfani dashi a cikin sabbin hanyoyin samarwa. Wannan hanyar ta fi rikitarwa amma yana ba da damar warware matsalar.
Rashin zubar da PVC, musamman ta hanyar hadadden, yana fitar da gas mai cutarwa kamar hydrogen chloride . Hanyoyin da ake amfani da su masu aminci suna da mahimmanci don rage cutar muhalli.
Ayyukan masana'antu masu dorewa
Don magance tasirin muhalli na PVC, masana'antun suna ɗaukar ayyuka masu dorewa . Waɗannan sun haɗa da rage abubuwan hawa yayin samarwa da kuma amfani da hanyoyin samar da makamashi. Ta hanyar haɗa da aka sake amfani da PVC a cikin sababbin samfurori, masana'antar na iya rage dogaro da kayan Virgin. Kamfanoni suna kuma bincika amfani da Bio-PVC , wanda aka samo daga abinci mai sabuntawa, a matsayin madadin mai ban sha'awa ga PVC na al'ada.
Sauran hanyoyin zuwa PVC
A wasu aikace-aikace, masana'antu suna binciken madadin PVC. Kayan aiki kamar polypropylene da thermoploric ellastomus (TPE) suna ba da irin fa'idodi tare da ƙaramin halayyar muhalli. Misali, TPE na iya maye gurbin PVC sau biyu a cikin tubalin likita, yayin da polyethylene a aikace-aikacen cajin. ake amfani da Wadannan hanyoyin wani bangare ne na babban kokarin da rage dogaro kan kayan cutarwa.
Taƙaitawa
PVC filastik ne m, mai dorewa, kuma ana amfani dashi sosai a masana'antu kamar gini da lafiya. Ya zo a cikin sassauƙa da tsayayye siffofin, tare da aikace-aikace daga daga bututu zuwa na'urorin likita. Sabbin ciguna a cikin kayan ado masu kyau da hanyoyin sake amfani da su suna nufin sanya PVC mafi ci gaba mai dorewa. A matsayinta na inganta, tushen PVC da kuma madadin marasa guba masu guba suna fitowa. Don kare muhalli, amfani da ke da alhakin zubar da samfuran PVC suna da mahimmanci don rage tasirin su.
Tukwici: Kai mai son sha'awar dukkanin robobi
