Kab lus no yuav tshawb xyuas cov khoom tseem ceeb hauv Suav teb C3 kev lag luam saw thiab kev tshawb fawb thiab kev txhim kho ntawm thev naus laus zis.

(1)Cov xwm txheej tam sim no thiab kev txhim kho cov qauv ntawm polypropylene (pp)

Raws li peb txoj kev tshawb nrhiav, muaj ntau txoj hauv kev los tsim cov polypropylene (pp) nyob rau hauv Suav teb, cov txheej txheem unipol ntawm Lyondellbasell tuam txhab, cov txheej txheem tshiab ntawm cov tuam txhab hauv nroog, cov txheej txheem tshiab Ntawm Nordic Tshuaj tuam txhab lag luam, thiab txheej txheem spherizone ntawm Lyondellbasell tuam txhab. Cov txheej txheem no tseem muaj dav tau los ntawm suav PP lag luam. Cov thev naus laus zis feem ntau tswj cov hloov dua siab tshiab ntawm propylene nyob rau hauv ntau yam ntawm 1.01-1.02.

Lub nplhaib ua haujlwm hauv lub nplhaib yeeb nkab tsim cov txheej txheem ntawm kev tsim kho ZN catalyst, tam sim no los ntawm thib ob-tiam cov yeeb nkab cov txheej txheem thev naus laus zis. Cov txheej txheem no yog ua raws cov catalysently tsim cov tshuab hluav taws xob, thiab tuaj yeem tsim cov hompolerization Copolymerization, thiab cuam tshuam cov ntawv rov qab luam tawm PP. Piv txwv li, cov tuam txhab xws li Shanghai Petrochemical thib peb kab, Zhenhai Refining thiab cov kab ua ntej thiab cov kab thib ob muaj tag nrho cov txheej txheem no. Nrog rau kev nce ntawm cov chaw tsim khoom tshiab hauv lub neej yav tom ntej, cov txheej txheem kev siv yeeb nkab thib peb ib puag ncig yog xav kom maj mam dhau los ua cov txheej txheem ib puag ncig cov yeeb nkab.

Cov txheej txheem unipol tuaj yeem siv cov homopolymers siv tau, nrog tus nqi npau taws (MFR) ntau ntawm 0.5 ~ 100m / 10min. Tsis tas li ntawd, feem loj feem ntawm ethylene copolymer monomers hauv random copolymers tuaj yeem ncav cuag 5.5%. Cov txheej txheem no tseem tuaj yeem tsim cov khoom lag luam Copolymer ntawm propylene thiab 1-butene (lub npe roj hmab (nrog roj av roj ntau li 14%. Qhov feem ntau feem ntawm ethylene hauv qhov cuam tshuam copolymer tsim los ntawm UNIPOL txheej txheem tuaj yeem ncav tau 21% (qhov loj ntawm cov roj hmab yog 35%). Cov txheej txheem tau thov rau hauv cov chaw ntawm cov lag luam xws li fushun petrochemical thiab sichuan petrochemical.

Cov txheej txheem tsim tawm tau tsim cov homopolymer nrog ntau hom neeg npau taws (MFR), uas tuaj yeem ncav cuag 0.5-100G / 10min. Nws cov khoom lag luam tawv yog siab dua li lwm cov roj av-theem polymerization. MFR ntawm Random Copolymer cov khoom yog 2-35G / 10min, nrog ib pawg ntawm ethylene nyob ntawm 7% rau 8%. MRF ntawm Tej Kev Cuam Tshuam Cov Khoom Muag yog 1-35G / 10min, nrog ib pawg ntawm ethylene nyob ntawm 5% mus rau 17%.

Tam sim no, cov ntsiab lus tseem ceeb siv tshuab ntawm pp hauv Suav teb yog heev paub tab. Siv cov roj raws polypropylene lag luam raws li ib qho piv txwv, tsis muaj cov nqi ntau lawm, kev siv cov nqi, cov txiaj ntsig, thiab lwm yam. Ntawm txhua tus qhauj. Los ntawm cov kev pom ntawm cov txheej txheem tsim los ntawm cov txheej txheem sib txawv, cov txheej txheem tseem ceeb tuaj yeem npog tag nrho cov khoom qeb. Txawm li cas los xij, xav txog cov zis tiag tiag pawg ntawm cov lag luam uas twb muaj lawm, muaj cov khoom lag luam sib txawv ntawm cov lag luam sib txawv xws li geography, teeb meem kev thev naus laus zis.

(2)Cov xwm txheej tam sim no thiab kev txhim kho cov qauv ntawm cov tshuab acrylic acid

Acrylic acid yog ib qho tseem ceeb organic tshuaj raw dav siv nyob rau hauv kev tsim cov nplaum thiab cov txheej txheem dej-solomed rau hauv butyl acrylate thiab lwm yam khoom. Raws li kev tshawb fawb, muaj ntau cov txheej txheem ntau lawm rau acrylic acid, suav nrog cov qauv choxecy, txhim kho cov txheej txheem etryylonility, txhim kho cov qauv etryligyyd, kev ua kom zoo, cov qauv antelres, thiab roj ntsha txoj kev. Txawm hais tias muaj ntau cov txheej txheem npaj rau acrylic acid, thiab feem ntau ntawm lawv tau thov hauv kev lag luam ntau lawm thoob ntiaj teb yog tseem muaj oxidene ntau lawm ntawm cov txheej txheem acrylic.

Cov ntaub ntawv raw rau kev tsim cov acrylic acid los ntawm cov tsiaj roj acpylene oxidation tsuas yog suav nrog dej vapor, huab cua, thiab propylene. Thaum lub sijhawm cov txheej txheem tsim khoom, peb txoj kev sib tw dhau los ntawm lub txaj catalyst nyob rau hauv ib qho kev faib ua feem. Propylene yog thawj oxidized rau probolein nyob rau hauv thawj reactor, thiab tom qab ntawd ntxiv oxidized rau acrylic acid nyob rau hauv lub thib ob reids. Dej Vap Play Vapor Ua lub luag haujlwm hauv cov txheej txheem no, zam dhau qhov tshwm sim ntawm cov tawg thiab tsim txom cov khoom ntawm cov kev phiv. Txawm li cas los xij, ntxiv rau kev tsim cov acrylic acid, cov kev coj ua no tseem ua cov acetic acid thiab cov pa roj carbon oxides vim yog cov khoom noj.

Raws li PingTou GE kev tshawb nrhiav, tus yuam sij rau cov acrylic acid oxidation txheej txheem thev naus laus zis nyob rau hauv kev xaiv ntawm catalysts. Tam sim no, cov tuam txhab uas tuaj yeem muab cov cuab yeej tshuaj acrojic accidation suav nrog cov tuam txhab tshuaj lom neeg hauv Tebchaws Asmeskas

Cov txheej txheem SoHio hauv Tebchaws Meskas yog ib qho txheej txheem tseem ceeb rau kev tsim cov tshuaj ntsuab, thiab siv mo bi thiab mo-v zaws hlau oxides ua catalysts, feem. Nyob rau hauv cov qauv no, ib-txoj kev tawm los ntawm acrylic acid tuaj yeem ncav cuag li 80% (cov piv txwv li). Qhov kom zoo dua ntawm txoj kev Sohio yog tias ob lub refe reactors tuaj yeem ua rau lub neej ntawm catalanst, nce mus txog 2 xyoos. Txawm li cas los xij, cov qauv no muaj qhov tsis zoo uas muaj cov propylene tsis tuaj yeem rov qab tau.

Basf txoj kev: txij li thaum xyoo 1960, pib ua haujlwm tshawb nrhiav cov acrylic acid los ntawm cov tsiaj roj oxidene. Cov txheej txheem BASF siv MO BI lossis mo co catalysts rau propylene oxidation tshuaj tivthaiv, thiab ib qho kev tawm tsam ntawm cov khoom siv tau tuaj yeem ncav cuag 80% (cov qauv hniav hawb pob). Tom qab, siv mo, W, V, thiab Fe raws li catalysts, acolein tau txuas ntxiv rau acrylic acid, nrog qhov siab tshaj plaws-li los ntawm 90% (cov qauv hniav nyiaj ntau). Lub neej catalyst ntawm Basf txoj kev tuaj yeem ncav cuag 4 xyoo thiab cov txheej txheem yooj yim. Txawm li cas los xij, cov qauv no tau teeb meem xws li siab hnyav boiling point, nquag siv tu, thiab siab zuag qhia tag nrho kev siv hluav taws xob.

Japanese catalyst txoj kev: ob qho reactors hauv series thiab ib qho kev sib cais sib cais yog siv. Thawj kauj ruam yog rau infiltrate lub ntsiab lus co rau hauv mo bi catalyst ua cov tshuaj tiv thaiv hlau, thiab tom qab ntawd siv mo reactor, txhawb nqa los ntawm Silica thiab Lead Monoxide. Nyob rau hauv cov txheej txheem no, ib-txoj kev tawm los ntawm acrylic acid yog kwv yees li 83-86% (molar piv). Cov kab lus Japanese tseem tau txais ib qho kev sib cais ruaj khov thiab lub 7-ntauwd cais tawm, nrog cov lus qhia siab, siab tag nrho kev tawm tsam, thiab kev siv hluav taws xob tag nrho. Cov qauv no tam sim no yog ib qho ntawm cov txheej txheem ntau dua, ntawm par nrog cov qauv mitsubishi hauv Nyiv.

(3)Cov xwm txheej tam sim no thiab kev txhim kho cov qauv ntawm Butyl Acrylate Tshuab

Butyl Acrylate yog cov kua dej tsis muaj kob uas yog insoluble hauv dej thiab tuaj yeem sib xyaw nrog ethanol thiab ether. Cov compound no yuav tsum tau muab cia rau hauv lub tsev rau khoom txias thiab muaj cua rau khoom. Acrylic acid thiab nws cov tshuaj estre tau siv dav hauv kev lag luam. Lawv tsis yog tsuas yog siv los tsim cov khoom mos ntawm acrylas hnyav, tab sis kuj tseem tuaj yeem ua polymer monomers thiab siv ua cov organic synmediates.

Tam sim no, cov txheej txheem ntau lawm ntawm Butyl Acrylate tsuas yog cuam tshuam nrog kev tawm tsam ntawm sullonic sup los tsim butrylate thiab dej. Cov tshuaj esterification cuam tshuam nrog hauv cov txheej txheem no yog cov tshuaj tiv thaiv uas raug thim rov qab, thiab cov ntsiab lus npau npau ntawm cov acrylic acid thiab cov khoom butyl acrylate yog heev ze. Yog li ntawd, nws yog ib qho nyuaj rau cais acrylic acid siv distillation, thiab siv tau acrylic acid tsis tau rov ua dua tshiab.

Cov txheej txheem no hu ua Butyl Acrylate Esterification txoj kev, feem ntau yog los ntawm Jilin Petrochemical Lub Chaw Tshawb Xyuas Kev Tshawb Fawb thiab lwm cov tsev hais. Cov thev naus laus zis no twb tau paub tab lawm, thiab chav noj mov tswj rau acrylic acid thiab n-butanol yog heev meej heev, tuaj yeem tswj hwm chav tsev tsis pub dhau 0.6. Ntxiv mus, cov thev naus laus zis tau ua tiav kev koom tes thiab hloov chaw.

(4)Cov xwm txheej tam sim no thiab kev loj hlob ntawm CPP thev naus laus zis

CPP zaj duab xis yog tsim los ntawm polypropylene raws li cov khoom siv tseem ceeb los ntawm kev ua cov txheej txheem tshwj xeeb xws li T-puab tuag Extrusting. Cov yeeb yaj kiab no muaj qhov kub tshaj tawm tsam thiab, vim nws cov khoom txias nrawm nrawm, tuaj yeem tsim cov khoom zoo heev thiab pob tshab. Yog li ntawd, rau kev siv cov ntawv thov ntim uas yuav tsum muaj kev pom tseeb, CPP zaj duab xis yog cov khoom siv uas nyiam. Feem ntau siv ntawm CPP zaj duab xis nyob hauv cov khoom noj khoom haus ntim khoom, ntxiv rau hauv cov txheej txheej txhuas, ntim cov txiv hmab txiv ntoo thiab zaub.

Tam sim no, cov txheej txheem ntau lawm ntawm CPP cov yeeb yaj kiab yog tsuas yog siv coting. Cov txheej txheem ntau lawm muaj ntau cov extruders, ntau cov channel faib (feem ntau yog cov neeg noj mov " Cov yam ntxwv tseem ceeb ntawm cov txheej txheem ntau lawm no yog qhov zoo tshaj plaws, kev hloov kho zoo me me, thiab cov khoom siv zoo ntawm cov khoom ua yeeb yaj kiab. Feem ntau cov tuam txhab ntiaj teb ntawm CPP siv CPP siv CP extusion casting txheej txheem rau ntau lawm, thiab cov cuab yeej siv thev naus laus zis.

Txij li thaum nruab nrab-1980s, Tuam Tshoj tau pib los qhia cov khoom siv txawv teb chaws cas, tab sis feem ntau ntawm lawv yog ib leeg txheej txheej thiab zwm rau theem theem. Tom qab nkag mus rau xyoo 1990, Tuam Tshoj qhia ntau txheej co duab cov kab los ntawm cov teb chaws xws li lub teb chaws Yelemees, Nyiv, Ltalis, thiab Austria. Cov cuab yeej siv ntshuam no thiab cov cuab yeej yog lub zog tseem ceeb ntawm Tuam Tshoj lub cam khwb cia cam khwb cia kev lag luam. Cov khoom siv cov khoom siv tseem ceeb suav nrog Tebchaws Asmeskas tus bruckner, Bartenfield, Leifuelhauer, thiab Austria's Orchid. Txij xyoo 2000, Tuam Tshoj tau tshaj tawm cov kab ntau dua, thiab cov khoom tsim hauv tsev kuj tseem tau ntsib kev txhim kho sai.

Txawm li cas los xij, piv nrog qib kev nce qib hauv ntiaj teb, tseem muaj qee qhov sib txawv hauv qib kev ua yeeb yam, siv hluav taws xob cov khoom siv rov qab, thiab cov khoom siv tsis zoo hluav taws xob rov qab cov khoom siv. Tam sim no, cov cuab yeej siv lub ntsiab rau CPP zaj duab xis ultrasonic muaj xws li Lub teb chaws Yelemees Tus Tsovsus, Leifenhauser, thiab Austria's Lanzin, ntawm lwm tus. Cov neeg xa khoom txawv teb chaws muaj qhov tseem ceeb nyob rau hauv cov nqe lus ntawm Automation thiab lwm yam. Txawm li cas los xij, cov txheej txheem tam sim no yog twb paub tab lawm, thiab kev txhim kho cov cuab yeej siv thev naus laus zis yog qeeb, thiab muaj qhov tsis muaj kev koom tes rau kev koom tes.

(5)Cov xwm txheej tam sim no thiab kev txhim kho cov qauv ntawm Acrylonitrile Technology

Propylene Ammonia oxidation thev naus laus zis yog tam sim no lub lag luam kev lag luam ntau lawm rau acrylonitrile yog siv bp (sohio) catalysts. Txawm li cas los xij, tseem muaj ntau tus kws kho cov catalyst ntau los xaiv, xws li Mitsubishi Rayon (yav tas los Nitto) thiab Asahi Kase cov khoom siv (yav tas los Solutia) los ntawm Asmeskas, thiab Sinopec.

Ntau tshaj 95% ntawm Acrylonitrile nroj tsuag thoob ntiaj teb siv cov propylene ammonia oxidation thev naus laus zis) pioneered thiab tsim los ntawm BP. Cov tshuab no siv propylene, ammonia, huab cua, thiab dej los ua cov ntaub ntawv nyoos, thiab nkag mus rau cov tshuaj reactor hauv qee qhov kev faib ua feem. Raws li qhov kev txiav txim ntawm phosphorus molybdenum bismuth los yog cov tshuaj pleev xim hlau catala gel, acrylonitrile yog tsim ntawm qhov kub ntawm 400-500℃thiab atmospheric siab. Tom qab ntawd, tom qab muaj kev ntxhov siab, nqus, extraction, dehydrocyanation, thiab cov kauj ruam distillation, cov khoom kawg ntawm acrylonitrile tau txais. Ib qho kev tawm ntawm hom no tuaj yeem ncav cuag 75%, thiab cov khoom lag luam suav nrog acetoniturile, hydrogen cyanide, thiab ammonium sulfate. Txoj kev no muaj cov nqi lag luam ntau tshaj plaws.

Txij li xyoo 1984, sinopec tau kos npe rau kev pom zoo ntev ntev nrog cov kabmob thiab tau raug tso cai siv Ineos tus kws siv acrylonitrile thev naus laus zis hauv Suav teb. Tom qab xyoo ntawm kev txhim kho, sinopec shanghai petrochemical lub chaw tshawb fawb tau ua tiav cov txheej txheem ntawm Sinopec Anqing Ceg tus 130000 tuj Acrylonitrile Project. Qhov project tau ua tiav kev ua haujlwm nyob rau lub Ib Hlis 2014, nce txhua xyoo ntau dua ntawm cov acrylonitrile los ntawm 80000 tons, dhau los ua qhov tseem ceeb ntawm Sinylonitrile ntau lawm ua haujlwm.

Tam sim no, cov tuam txhab thoob ntiaj teb nrog cov propylene ammonia oxidation Technology suav nrog BP, Dupont, Asahi tshuaj, thiab Sinopec. Cov txheej txheem ntau lawm tau paub tab thiab yooj yim tau txais, thiab Tuam Tshoj kuj tau ua tiav txoj hauv kev ntawm cov thev naus laus zis no, thiab nws cov kev ua tau zoo tsis yog qis dua rau cov tshuab sib tw txawv teb chaws.

(6)Cov xwm txheej tam sim no thiab kev txhim kho cov qauv ntawm Abs thev naus laus zis thev naus laus zis

Raws li kev tshawb nrhiav, txoj kev txheej txheem ntawm ABS cov cuab yeej tsuas yog muab faib ua cov qauv tshuaj pleev cov qauv thiab cov qauv txuas ntxiv. ABS Resin tau tsim los ntawm kev hloov kho ntawm polystyrene cob. Xyoo 1947, cov American cov tuam txhab roj hmab saws cov txheej txheem ua ke kom ua tiav kev lag luam ntawm ABS ROJ; Xyoo 1954, Borger tuam txhab hauv Tebchaws Meskas tau tsim cov pob zeb ua kom muaj cov tshuaj pleev cov khoom siv. Cov tsos ntawm lotion grafting txhawb nqa kev loj hlob sai ntawm kev lag luam abs. Txij li xyoo 1970, cov txheej txheem ntau lawm thev naus laus zis tau nkag mus rau lub sijhawm ntawm kev loj hlob zoo.

Cov txheej txheem kev tsim cov tshuaj pleev yog cov txheej txheem ntau lawm, uas suav nrog ob kauj ruam: cov synthesis ntawm buttracte thiab acrylonitrile polymers, thiab kev sib xyaw ua ke ntawm kev kho tom qab. Cov txheej txheem txheej txheem ntws tshwj xeeb suav nrog PBL chav tsev, chav ua haujlwm, chav tsev ua si, thiab chav tsev sib tsoo. Cov txheej txheem ntau lawm no muaj qib siab ntawm cov txheej txheem kev loj hlob thiab tau siv dav dav thoob ntiaj teb.

Tam sim no, paub tab yog los ntawm cov tuam txhab xws li LG hauv Tebchaws Asmeskas, LTD. Hauv South Kauslim, thiab Kellogg thev naus laus zis hauv Tebchaws Meskas, txhua tus uas muaj qib thoob ntiaj teb ua ntej ntawm kev paub tab. Nrog kev txhim kho kev txuas ntxiv ntawm cov thev naus laus zis, cov txheej txheem ntau lawm ntawm ABS yog kev txhim kho tas li thiab txhim kho. Yav tom ntej, ntau dua, ib puag ncig phooj ywg, thiab lub zog txuag cov txheej txheem yuav tawm tuaj yeem tawm, coj ntau txoj kev thiab cov nyom ntawm kev lag luam tshuaj lom neeg.

(7)Cov txheej txheem ua haujlwm thiab kev txhim kho ntawm N-Butanol

Raws li kev soj ntsuam, lub ntsiab lus thev naus laus zis rau cov xwm txheej ntawm Butanol thiab Phaj-Theem Carbiesl synthemes. Cov ntaub ntawv raw rau cov txheej txheem no yog propylene thiab synthesis roj. Ntawm lawv, propylene feem ntau yog los ntawm kev sib xyaw ua ke ntawm tus kheej, nrog rau kev noj cov tsiaj tom ntej ntawm 0.6 thiab 0.62 tons. Cov khoom siv hluavtaws feem ntau yog npaj los ntawm kev tso pa tawm lossis cov hluav taws xob hluav taws xob cov hluavtaws hluav taws xob hluavtaws, nrog chav tsev noj ntawm 700 thiab 720 sau lo lus teb.

Lub siab muaj txiaj ntsig-siab carbons tsim los ntawm Dow / David-Pa Propylene hloov siab dua qub, thiab txo cov emissions ntawm peb cov khoom siv. Cov txheej txheem no tam sim no yog cov thev naus laus zis tshaj plaws thiab tau siv dav hauv Suav Butanol thiab Octanol cov lag luam.

Txiav txim siab txog qhov nyiaj / David thev naus laus zis yog cov kev kawm paub tab thiab tuaj yeem siv hauv kev tsim kho hauv tsev, ua ntej xaiv cov tshuab thev naus laus zis, ua raws li los ntawm kev siv thev naus laus zis.

(8)Cov xwm txheej tam sim no thiab kev txhim kho cov qauv ntawm polyacrylonitrile Technology

Polyacrylonitrile (lauj kaub) yog tau los ntawm kev dawb radical polymerization ntawm acrylonitrile fibers (acrylic fibers) thiab polyacrylonitrile raws cov roj carbon fiber. Nws tshwm nyob rau hauv ib qho dawb lossis me ntsis daj opaque hmoov daim ntawv, nrog lub khob hloov cua sov ntawm txog 90℃Cov. Nws tuaj yeem yaj nyob rau hauv cov kuab tshuaj organic polar xws li Dlethylformide (DMF) thiab DMOPSS), nrog rau hauv cov kev daws teeb meem aorganic ntawm cov ntsev xws li thiocyanate thiab percholamate. Kev npaj ntawm polyacrylonitrile feem ntau cuam tshuam nrog kev daws teeb meem polymerization polymerization polymerization ntawm acrylonitrile (a) nrog cov tsis yog ionic thib ob thiab ionic thib peb monomers.

Polyacrylonitrile yog tsuas yog siv los tsim acrylic fibers ua los ntawm acrylonitrile copolymers nrog ntau feem pua ​​ntawm ntau tshaj 85%. Raws li cov kuab tshuaj uas siv nyob rau hauv cov txheej txheem ntau lawm, lawv tuaj yeem sib txawv li dimethyl acetamide (dmo Lub ntsiab sib txawv ntawm ntau cov kuab tshuaj yog lawv solubility yog cov solubryloniturile, uas tsis muaj qhov cuam tshuam tseem ceeb ntawm cov txheej txheem polymnerization ntau lawm. Tsis tas li ntawd, raws li cov neeg sib txawv ntawm cov tuam txhab, lawv tuaj yeem faib ua Itaconic acid (ma), acryyl acrylate (ma), acryyl acruminurate (ma), acryylitive (mma Cov Khoom Muag Khoom ntawm Polymmerization RAWS.

Cov txheej txheem kev sib sau ua ke tuaj yeem yog ib-kauj ruam lossis ob-kauj ruam. Ib kauj ruam txoj kev hais txog cov polymerization ntawm acrylonitrile thiab cov khoom lag luam tuaj yeem npaj ncaj qha rau hauv cov tshuaj spinning tsis muaj kev sib cais. Txoj cai ob-kauj ruam yog hais txog qhov kev ncua polymerrile thiab cov neeg sib cais, ntxuav, lub cev qhuav dej, thiab lwm cov kauj ruam los ua cov tshuaj spinning. Tam sim no, lub ntiaj teb ntau txheej txheej ntawm polyacrylonitrile yog ib qho zoo ib yam, nrog qhov sib txawv hauv cov txheej txheem hauv dej hauv plab polymerization thiab cov monomers. Tam sim no, feem ntau polyacrylonitrile fibers nyob rau hauv ntau lub teb chaws nyob rau hauv ntau lub teb chaws nyob rau hauv ntau lub ntiaj teb yog los ntawm tus lej copolymers, nrog acrylonitrile account rau 90% thiab ntxiv rau 8%. Lub hom phiaj ntawm kev ntxiv tus monomer thib ob yog txhawm rau txhim kho cov mechanical zog, elasticity, thiab kev ntxhib los mos, nrog rau kev txhim kho dyinging kev ua tau zoo. Cov txheej txheem feem ntau suav nrog MMA, Ma, Vinyl acetate pab pawg kom nce afinity ntawm fibers nrog dyes, uas yog Muab faib ua cov pab pawg Cationic thiab cov pab pawg Acidic.

Nyob rau tam sim no, Nyiv yog tus sawv cev tseem ceeb ntawm cov txheej txheem thoob ntiaj teb ntawm polyacryloniturile, ua raws los ntawm cov teb chaws xws li Tebchaws Ntsaws Mes Nuj Siab thiab Tebchaws Asmeskas. Tus sawv cev lag luam lag luam suav nrog Zoltek, HexC thiab Aldila los ntawm Nyij Pooj, Mitsubishi thiab cov neeg ua haujlwm ntawm Tebchaws Yelemees thiab Formosa plastics pawg los ntawm Taiwan, Suav teb. Tam sim no, lub ntiaj teb ntau lawm cov txheej txheem thev naus laus zis ntawm polyacrylonitrile yog paub tab, thiab tsis muaj dej ntau rau cov khoom txhim kho.