Hnub no cia kuv qhia koj ib zaj dab neeg nthuav txog peb cov neeg siv khoom 2K-PU nplaum.
Pib
Kev lag luam siabmolecular sieve hmoovyog qhov zoo tshaj plaws lub cev qhuav dej defoamer rau polyurethane nplaum / txheej kev lag luam, no 2K-PU nplaum cov neeg siv khoom nrhiav cov chaw tsim khoom zoo los txhim kho cov qauv tshiab.
Feem ntau polyurethane synthesis raw cov ntaub ntawv muaj ib tug npaum li cas ntawm cov dej ya raws uas yooj yim react nrog lwm yam raw khoom ---isocyanate, uas yuav tsim ib tug loj tus naj npawb ntawm npuas nyob rau hauv. Yog tias cov npuas tsis tuaj yeem tso tawm, nws yuav cuam tshuam rau lub cev thiab cov tsos. Feem ntau, tshem tawm npuas yog qhov tsim nyog ntws hauv kev tsim cov khoom PU.
Peb lub zog ua kom muaj zog molecular sieve yog cov tshuaj zoo tshaj plaws rau ziab polyurethane raw cov ntaub ntawv thiab tiv thaiv kev tsim cov npuas, nws muaj zog hydrophilic zog thiab tuaj yeem xaiv cov dej hauv qhov sib tov. Thaum cov neeg siv khoom paub peb los ntawm nws cov kwv tij tuam txhab, lawv tam sim ntawd hu rau peb.
Txheej txheem
Thaum xub thawj peb pom zoo ob hom molecular sieve hmoov --3A 4A rau cov neeg siv khoom kuaj. Cov neeg siv khoom tawm tswv yim rau peb tias tom qab ntxiv peb cov molecular sieves, cov nyhuv defoaming yog qhov zoo tagnrho, tab sis polyurethane reacts sai, yog li lub sijhawm kho luv luv, uas tsis zoo rau lawv cov khoom.
Raws li peb cov kev paub dhau los, peb xav tias nws yog vim muaj ntau ntxiv ntawm zeolite hmoov, yog li peb xav kom txo cov nyiaj. Txawm li cas los xij, tom qab ntau qhov kev sim, tus neeg siv khoom tseem tsis tau daws qhov teeb meem no.
Cov txiaj ntsig: Chemxin 5A Hloov Molecular Sieve Hmoov
Hauv qee cov qauv polyurethane synthesis, lub hauv paus tus nqi thiab cov qauv hydroxyl ntawm molecular sieves tuaj yeem ua kom cov tshuaj tiv thaiv thiab txo lub sijhawm kho tom qab sib tov. Yog li peb tau tsim kho tshiab 5A molecular sieve hmoov rau qhov teeb meem no.
CHEMXIN hloov kho 5A molecular sieve hmoov khaws nws qhov qub dej nqus peev xwm thiab txo cov kev cuam tshuam ntawm hydroxyl qauv los ntawm kev kho cov khoom siv raw, uas yuav txo qis PH nqi tag nrho. Cov khoom tshiab no hmoov tau raug sim hauv kev ua lag luam thiab tau txais cov lus pom zoo los ntawm peb cov neeg siv khoom txawv teb chaws.
Peb xa cov hloov pauv 5A molecular sieve hmoov qauv rau cov neeg siv khoom dua rau kev sim, thaum kawg nws ua tiav tau raws li cov neeg siv khoom xav tau thiab mus rau ntau lawm.
Yog tias koj muaj qhov teeb meem no hauv cov txheej txheem ntawm polyurethane nplaum / sealant, txais tos hu rau peb txhua lub sijhawm,
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