PEI Qib twg rau Kev Kho Dej, Ntawv & Adhesive? MW Selection Guide
Oct 09, 2026
CAS 9002-98-6 · Branched PEI 600–70,000 MW · Alfa Chemical, Zhengzhou, Suav teb
Polyethyleneimine CAS 9002-98-6 tsis yog ib yam khoom. Nws yog tsev neeg ntawm cationic polymers uas qhia ib tus lej CAS tab sis coj txawv txawv nyob ntawm qhov hnyav molecular. Qib 600 MW thiab qib 70,000 MW tuaj txog hauv tib lub ntim ntim, nqa tib yam kev faib tawm SDS txaus ntshai, thiab tseem ua haujlwm sib txawv kiag li hauv kev tsim.
Qhov ntawd yog feem ntau qib- cov lus qhia xaiv hla. Lawv teev cov ntsuas molecular, qhia lub rooj, thiab tawm hauv tus nyeem ntawv los twv seb tus lej twg haum rau daim ntawv thov. Kab lus no siv txoj hauv kev sib txawv: nws piav qhia tias txhua qib lub cev ua li cas hauv kev lag luam, tom qab ntawd qhia cov qib rau kev kho dej, ntawv, nplaum, thiab inks.
Alfa Chemical manufactures branched PEI nyob rau hauv Zhengzhou, Tuam Tshoj, hla plaub lub lag luam molecular luj. Rau qib- cov ntaub ntawv tshwj xeeb, saib covPEI CAS 9002-98-6 khoom page.
Vim li cas PEI Qib Xaiv Tsis yog ib qho -Kev Txiav Txim Loj
Branched PEIyog tsim los ntawm lub nplhaib cationic - qhib polymerization ntawm aziridine. Qhov tshwm sim yog ib tug heev branched qauv nrog thawj, theem nrab, thiab tertiary amine pawg nyob rau hauv roughly a25/50/25 ratio. Txhua hom amine reacts txawv nrog substrates, thiab qhov sib piv hloov raws li qhov hnyav molecular nce.
Cov qib qis molecular hnyav muaj cov saw luv luv. Lawv nkag mus rau hauv qhov ntxeem tau yooj yim, muaj viscosity tsawg, thiab hnov mob sai nrog epoxy, isocyanate, thiab aldehyde pawg. Cov qib siab molecular hnyav muaj cov saw ntev. Lawv txuas ntawm cov khoom, tsim cov flocs loj dua, thiab ua kom muaj zog adhesion rau saum npoo - tab sis lawv kuj ua rau cov viscosity ntau dua thiab qeeb dua.
Qhov tshwm sim: xaiv qhov tsis ncaj ncees lawm qib tsis yog txo qis kev ua haujlwm. Nws tuaj yeem thim rov qab. Ib qib flocculant siv los ua tus crosslinker yuav tsis nkag mus. Ib qib crosslinker siv los ua flocculant yuav tsis txuas. Rau lwm cov cationic polymers siv nrog PEI, xauj peborganic chemistry intermediates.
Plaub qib kev lag luam thiab lawv ua dab tsi
PEI 600 MW - Reactive Crosslinker
Ntawm 600 MW, cov saw hlau polymer luv luv thiab cov amine ntom ntom ntawm cov saw ntev yog siab. viscosity yog tsawg, feem ntau nyob rau hauv lub1,000–4,000 mPa·sQhov kub ntawm 25 degree. Cov qib no nkag mus rau hauv cov txheej txheem ntxeem tau sai thiab ua haujlwm nrawm nrog epoxy, isocyanate, thiab aldehyde pawg.
Qhov twg nws ua haujlwm zoo tshaj plaws:epoxy curing accelerators, nto primers rau hlau thiab iav, thiab daim ntawv ntub lub zog. Qhov twg nws poob luv: flocculation. Cov saw luv luv tsis tuaj yeem txuas nruab nrab ntawm cov khoom, yog li kev siv sedimentation thiab cov dej ntws tsis zoo.
PEI 1,800 MW - The Balanced Qib
PEI 1,800 nyob nruab nrab ntawm cov qib reactive thiab qib flocculant. Viscosity tseem ua haujlwm tau hauv dej -raws li cov tshuab, tab sis cov hlua ntev txaus rau qee qhov kev sib txuas. Qib no feem ntau ua tau zoo tshaj plaws hauv ntawv thiab ntim khoom, tshwj xeeb tshaj yogrecycled fiber ntau systemsqhov twg fiber ntau tau tsis muaj zog los ntawm kev rov ua dua.
Nws kuj yog ib qho kev xaiv zoo rau cov xim dispersants thiab ink adhesion txhawb nqa. Nws tsis tsim qhov loj, ruaj khov flocs xav tau rau siab -turbidity industrial effluent, yog li nws tsis yog ib qho kev hloov rau qib siab molecular hnyav hauv kev kho dej.
PEI 10,000 MW - The Retention and Drainage Aid
Ntawm 10,000 MW, cov saw hlau polymer ntev txaus los txuas ntawm fibers thiab muab tub lim. Qhov no ua rau nws siv tau hauvntawv tshuab ntub dej -kawgcov ntawv thov uas khaws cia thiab cov dej ntws ncaj qha cuam tshuam rau kev tsim khoom ceev. Nws kuj ua haujlwm li ibcoagulant pabnyob rau hauv kev kho dej thiab raws li ib tug adhesion txhawb nyob rau hauv coatings.
Rau siab -cov dej khib nyiab siab, PEI 70,000 ua haujlwm zoo dua hauv kev ua haujlwm txuas ntxiv. Qib kev xaiv ntawm no nyob ntawm seb qhov luaj li cas ntawm cov khoom faib tawm. Tag nrho cov specifications rau CAS 9002-98-6 yog teev nyob rau hauvCAS 9002-98-6 khoom page.
PEI 70,000 MW - Lub Siab -Performance Flocculant
PEI 70,000 yog cov neeg ua haujlwm rau kev kho dej thiab kev sib cais kev lag luam. Extended polymer chains tsim tau zoo molecular txuas ntawm cov khoom, ua kom loj thiab ruaj khov flocs dua qib qis. Viscosity siab (10,000–20,000 mPa·sntawm 25 degree), thiab cov khoom yog feem ntau muab raws li 50% aqueous tov.
Cov ntawv thov suav nrog kev lag luam thiab hauv nroog kev kho dej khib nyiab, ntawv thiab cov ntaub ntawv khaws cia, kev ua cov ntxhia, thiab xav tau kev txhawb nqa adhesion. Nws tsis tsim nyog rau reactive crosslinking lossis nto priming qhov twg nkag mus rau qhov teeb meem. Yog tias koj xav tau cov ntaub ntawv batch ua ntej xaj, koj tuaj yeemthov COA & SDSncaj qha.
Qib sib piv ntawm ib nrais muag
| Yam khoom | PEB 600 | PIB 1,800 | PIB 10,000 | PIB 70,000 |
|---|---|---|---|---|
| Viscosity (mPa·s, 25 degree) | 1,000–4,000 | 3,000–6,000 | 8,000–12,000 | 10,000–20,000 |
| Flocculation | pluag | Nruab nrab | Zoo | Zoo heev |
| Kev sib txuas | Zoo heev | Zoo | Nruab nrab | pluag |
| Daim ntawv ntub lub zog | Muaj zog tshaj | Muaj zog | Nruab nrab | Nruab nrab |
| Hom kev muab khoom | >99% ua kua | 50% daws | 50% daws | 50% daws |
Yuav Ua Li Cas Match Qib rau Daim Ntawv Thov
Ntawv thiab Ntim
Rau lub zog ntub dej, PEI 600 thiab 1,800 yog cov qauv kev xaiv. Cov qib qis molecular hnyav ua rau muaj kev cuam tshuam ntau dua nrog cov sib txuas sib txuas thiab faib ntau qhov sib npaug los ntawm fiber ntau matrix. Rau kev tuav thiab tso dej, PEI 10,000 yog tus neeg ua haujlwm - nws txuas cov nplua thiab muab tso rau hauv fibers yam tsis ua kom lub tshuab qeeb.
Lub ntsiab lus pib ua haujlwm: yog tias koj lub tshuab ntawv sau cov fiber ntau rov ua dua thiab koj pom lub zog poob, simPEI 1,800 ntawm 0.5-1.5%ntawm qhov hnyav fiber ntau, crosslinked nrog glycidyl silane. Kho los ntawm qhov ntawd raws li cov ntsiab lus ntub dej tensile.
Kev kho dej thiab dej khib nyiab
PEI 70,000 yog lub neej ntawd rau kev lag luam effluent. Nws ua haujlwm thoob plaws pH ntau yam thiab tshwj xeeb tshaj yog siv tau thaum tshem tawm cov khib nyiab nqa cov nqi tsis zoo. Cov tshuaj ntau npaum li cas los ntawm5-50 ppmnyob ntawm turbidity thiab sib tw anionic hom.
Rau kev kho hauv nroog, PEI 70,000 feem ntau yog siv los ua cov coagulant pab qis qis ntawm inorganic coagulants zoo li PAC lossis ferric chloride. Kev sib xyaw ua ke tsim cov denser flocs thiab txo cov sludge ntim. Lub thawv kuaj nrog PEI xav tausib tov ceev (1-2 feeb ntawm 200-300 rpm)ua raws li kev sib xyaw qeeb (15-20 feeb ntawm 30-50 rpm). Hla mus rau theem sib tov nrawm yog ib qho laj thawj vim li cas cov neeg tsim khoom pom cov flocculation tsis zoo.
Adhesives thiab Coatings
PEI 600 yog tus adhesion txhawb kev xaiv rau epoxy thiab polyurethane systems. Daim ntawv thov tus nqi qis, feem ntau50-150 mg/m²rau kev siv primer. Rau tus number case thiab txheej adhesion, PEI 10,000 lossis 70,000 muab kev sib txuas zoo dua rau cov xim xim thiab cov chaw substrate. Rau cov dej-raws li cov nplaum, PEI 1,800 muaj qhov sib npaug ntawm cov tshuaj reactivity thiab formulation compatibility.
Inks, Dyes, thiab Pigment Dispersants
PEI 1,800 thiab 10,000 yog qib workhorse ntawm no. Cov amine pawg adsorb rau cov xim xim, muab electrostatic stabilization. Rau siab -cov khoom tawg, PEI 10,000 muab kev tswj cov viscosity zoo dua. Rau dye fixation, PEI 70,000 muab lub zog ionic bonding rau anionic dyes.
Dab tsi Txog Linear PEI 25,000?
Linear PEI 25,000 yog cov khoom sib txawv. Nws yog ibhloov reagentsiv nyob rau hauv molecular biology kev tshawb fawb, tsis muaj flocculant los yog adhesion txhawb nqa. Nws yog muab los ua ib qho khoom, yaj hauv dej kub thiab qis -pH dej txias, thiab siv rau hauv cov kab mob ntawm cov tsiaj txhu.
Yog tias koj daim ntawv thov yog kev lag luam - dej kho, ntawv, nplaum, coatings - linear PEI 25,000 tsis yog qhov tseeb. Tus nqi yog ntau dua thiab cov yam ntxwv ntawm kev ua haujlwm tau zoo rau kev tshawb fawb lom neeg, tsis yog kev lag luam.
R&D tsuas yog siv xwb.Tsis yog siv rau tib neeg lossis kws kho tsiaj. Tsis yog rau kev kuaj mob, kho, lossis siv tshuaj.
Kev xaiv tus neeg muag khoom: Yuav ua li cas thiaj paub tseeb
PEI yog tsim los ntawm tsawg tus neeg tsim khoom thoob ntiaj teb. Thaum ntsuam xyuas tus neeg xa khoom, cov lus nug txog qhov tseem ceeb yog:
1. GPC- txheeb xyuas qhov hnyav molecular.Nug rau GPC tsab ntawv ceeb toom, tsis yog lub npe MW nkaus xwb. Ib qho "70,000 MW" cov khoom lag luam nrog qhov dav ntawm qhov hnyav molecular faib yuav coj txawv ntawm ib qho nrog nqaim faib.
2. Amine tus nqi los ntawm titration.Tag nrho cov nqi amine (mmol / g) txiav txim siab cationic charge density. Rau PEI 70,000, ib qho kev qhia tshwj xeeb yog nyob ib ncig ntawm 10 mmol / g. Yog tias tus neeg muag khoom tsis tuaj yeem muab cov ntaub ntawv no, cov khoom specification tsis tiav.
3. Batch-rau-batch sib xws.PEI yog polymer. Molecular hnyav thiab viscosity tuaj yeem txav ntawm cov khoom siv. Nug rau COA cov ntaub ntawv los ntawm peb pawg sib law liag kom pom qhov sib txawv.
4. Residual monomer.Aziridine (ethyleneimine) yog cov monomer siv los tsim PEI thiab yog qhov paub txog kev khaus thiab xav tias muaj kab mob. Residual monomer cov ntsiab lus yuav tsum yogqis dua 100 ppm, zoo dua hauv qab 50 ppm. Nug rau txoj kev xeem.
5. Ntim thiab ntim khoom.PEI feem ntau muab rau hauv 1 kg fwj, 25 kg nruas, thiab 200 kg nruas. Yog tias koj qhov kev tsim khoom xav tau ntau qhov ntau, paub meej tias tus neeg muag khoom tuaj yeem tswj cov khoom sib xws los ntawm tib txoj kab ntau lawm.
Cov Lus Ceeb Toom Ua Raws Cai rau Cov Neeg Yuav Khoom Thoob Ntiaj Teb
PEI (CAS 9002-98-6) tsis muaj npe nyob rau hauv cov npe siv ob hom kev tswj hwm kev xa tawm. Nws raug cais raws liHTS 3901.90.25rau polymer dispersion. Txawm li cas los xij, linear 25,000 MW transfection-qib cov ntaub ntawv yuav nyiam kev tshuaj xyuas ntxiv hauv qee qhov kev txiav txim siab vim nws siv hauv kev tshawb fawb lom neeg.
Rau kev lag luam -qib ceg PEI, cov ntaub ntawv xa tawm tus qauv - COA, SDS, thiab daim ntawv xa nyiaj ua lag luam - yog txaus rau feem ntau qhov chaw. Cov neeg yuav khoom hauv kev tswj hwm kev lag luam yuav tsum lees paub lawv cov kev cai ua raws li kev cai ua ntej xaj.
Kev tuav thiab khaws cia
PEI yog qhov khaus. Kov nrog hnab looj tes thiab qhov muag tiv thaiv nyob rau hauv ib qho chaw ventilated. 50% aqueous daws yog alkaline (pH 10-12) thiab yuav tsum tsis txhob tov nrog cov acids muaj zog yam tsis muaj kev tswj xyuas kom zoo. Khaws ntawm2-8 degreerau lub sijhawm ntev - kev ruaj ntseg, txawm tias chav tsev - qhov kub thiab txias cia yog siv tau rau lub sijhawm luv. Khaws cov thawv kaw kom tiv thaiv kom tsis txhob ya raws.
Qhov twg Alfa Chemical Fits
Alfa Chemical khoom siv branched PEI los ntawm Zhengzhou, Suav teb, nyob rau hauv plaub qib molecular hnyav:600, 1,800, 10,000, thiab 70,000. Txhua batch nkoj nrog GPC- txheeb xyuas COA thiab SDS. Ntim ntau yam ntawm 1 kg cov qauv tshawb fawb txog 200 kg nruas.
Yog tias koj tab tom ntsuas PEI rau ib daim ntawv thov tshwj xeeb - daim ntawv ntub dej, dej khib nyiab, lossis epoxy adhesion - qib kev xaiv nyob ntawm koj qhov system chemistry, tsis yog ntawm daim ntawv qhia tshwj xeeb. Xa koj cov ntaub ntawv thov rau peb thiab peb yuav pom zoo rau qib uas haum. Mus saib lubhu rau nplooj ntawvthov kev pab xaiv qib, los yog mus saib tag nrhoPEI product pagerau specifications, COA, thiab ntim xaiv.
Tag nrho cov khoom yog muab rau kev tshawb fawb thiab kev loj hlob siv xwb. Tsis yog siv rau tib neeg lossis kws kho tsiaj. Tsis yog rau kev kuaj mob, kho, lossis siv tshuaj. COA thiab SDS muaj nyob nrog txhua qhov khoom xa tuaj.
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