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Kev faib tawm thiab cov ntsiab lus siv ntawm cov neeg sawv cev leveling txheej
Cov neeg sawv cev leveling siv rau hauv cov txheej txheej feem ntau yog muab faib ua cov kuab tshuaj sib xyaw, acrylic acid, silicone, fluorocarbon polymers thiab cellulose acetate. Vim nws cov yam ntxwv tsis tshua muaj zog ntawm qhov chaw, cov neeg sawv cev leveling tsis tsuas yog pab cov txheej txheej kom tiaj tus, tab sis kuj tseem yuav ua rau muaj kev phiv. Thaum siv, ...Nyeem ntxiv -
Cov khoom siv ntawm cov coatings yog dab tsi?
Kev txhais ntawm kev sib npaug Qhov khoom siv sib npaug ntawm ib txheej yog piav qhia txog lub peev xwm ntawm txheej kom ntws tom qab thov, yog li ua kom tshem tawm qhov tsis sib xws ntawm qhov chaw uas tshwm sim los ntawm cov txheej txheem thov. Tshwj xeeb, tom qab txheej tau thov, muaj ib qho txheej txheem ntawm kev ntws thiab ...Nyeem ntxiv -
Dab tsi cuam tshuam rau qhov defoaming ntawm coatings?
Kev tshem tawm cov npuas dej yog lub peev xwm ntawm ib txheej txheej los tshem tawm cov npuas dej uas tsim tawm thaum lub sijhawm tsim khoom thiab txheej txheem txheej. Cov tshuaj tshem tawm cov npuas dej yog ib hom tshuaj ntxiv uas siv los txo cov npuas dej uas tsim tawm thaum lub sijhawm tsim khoom thiab / lossis kev siv cov txheej txheej. Yog li cov yam ntxwv twg cuam tshuam rau kev tshem tawm cov npuas dej ntawm cov txheej txheej? 1. Kev ua haujlwm ntawm qhov chaw...Nyeem ntxiv -
Hom UV absorbers
Kev Taw Qhia Txog UV absorber Lub hnub ci muaj ntau lub teeb ultraviolet uas ua rau cov khoom muaj xim puas tsuaj. Nws qhov wavelength yog li 290 ~ 460nm. Cov teeb ultraviolet no ua rau cov xim molecules lwj thiab ploj mus los ntawm cov tshuaj oxidation-reduction reactions. Kev siv cov ultraviolet abs...Nyeem ntxiv -
Txheej tiv thaiv kab mob
Kev Taw Qhia Cov tshuaj antioxidants (lossis cov tshuaj stabilizers kub) yog cov khoom siv ntxiv uas siv los tiv thaiv lossis ncua qhov kev puas tsuaj ntawm cov polymers vim yog oxygen lossis ozone hauv huab cua. Lawv yog cov khoom siv ntxiv uas siv dav tshaj plaws hauv cov ntaub ntawv polymer. Cov txheej txheem yuav dhau los ua qhov kev puas tsuaj ntawm thermal oxidation tom qab ci ntawm qhov kub siab ...Nyeem ntxiv -
Cov tshuaj ntxuav tawv nqaij APG (Alkyl Polyglycoside)
APG, luv rau Alkyl Polyglycoside, yog ib qho tshuaj surfactant uas tsis yog ionic. Hais yooj yim xwb, nws zoo li ib tug "kws ua khawv koob ntxuav" uas ua rau cov khoom ntxuav ua haujlwm tau zoo heev. Nws yog ib lub hnub qub nce hauv cov khoom xyaw saib xyuas daim tawv nqaij. Los ntawm xwm Cov khoom siv raw ntawm APG yog los ntawm xwm. Nws yog feem ntau ...Nyeem ntxiv -
Kev tsim cov tshuaj dispersants (2)
Hauv tsab xov xwm dhau los, peb tau qhia txog kev tshwm sim ntawm cov tshuaj dispersants, qee cov txheej txheem thiab kev ua haujlwm ntawm cov tshuaj dispersants. Hauv nqe lus no, peb yuav tshawb nrhiav cov hom tshuaj dispersants hauv ntau lub sijhawm sib txawv nrog keeb kwm kev loj hlob ntawm cov tshuaj dispersants. Cov tshuaj ntub thiab dispersing ib txwm muaj qhov hnyav molecular qis Tus ...Nyeem ntxiv -
Kev tsim cov tshuaj dispersants (1)
Cov tshuaj dispersants yog cov khoom ntxiv rau saum npoo uas siv los ua kom cov khoom khov kho hauv cov xov xwm xws li cov nplaum, xim, yas thiab cov yas sib xyaw. Yav dhau los, cov txheej txheem tsis tas yuav tsum muaj cov tshuaj dispersants. Cov txheej txheem xws li alkyd thiab nitro xim tsis xav tau cov tshuaj dispersants. Cov tshuaj dispersants tsis tau tshwm sim kom txog thaum acrylic r...Nyeem ntxiv -
Kev ua haujlwm thiab lub tshuab ntawm tus neeg txhawb nqa kev nplaum
Kev Ua Haujlwm thiab Cov Txheej Txheem ntawm Adhesion Promoter Feem ntau cov Adhesion Promoters muaj plaub hom kev ua haujlwm. Txhua tus muaj kev ua haujlwm sib txawv thiab Cov Txheej Txheem. Kev Ua Haujlwm Mechanism Txhim kho kev sib txuas lus Los ntawm kev txhim kho qhov permeability thiab wettability ntawm cov txheej rau lub substrate, cov txheej tuaj yeem ...Nyeem ntxiv -
Adhesion promoter yog dab tsi?
Ua ntej nkag siab txog cov tshuaj txhawb nqa kev nplaum, peb yuav tsum xub nkag siab txog kev nplaum yog dab tsi. Kev nplaum: Qhov tshwm sim ntawm kev nplaum ntawm qhov chaw khov kho thiab qhov sib txuas ntawm lwm yam khoom siv los ntawm cov zog molecular. Cov zaj duab xis txheej thiab cov substrate tuaj yeem sib xyaw ua ke los ntawm kev sib txuas tshuab, ...Nyeem ntxiv -
Kev tshuaj xyuas kev tsim khoom thiab kev siv khoom ntawm kev lag luam ntawv thoob ntiaj teb
Cov ntawv thiab cov ntawv sau ntau lawm Tag nrho cov ntawv thiab cov ntawv sau thoob ntiaj teb xyoo 2022 yuav yog 419.90 lab tons, uas yog 1.0% qis dua 424.07 lab tons hauv xyoo 2021. Cov ntim ntau lawm ntawm cov hom tseem ceeb yog 11.87 lab tons ntawm cov ntawv xov xwm, qhov txo qis txhua xyoo ntawm 4.1% fr ...Nyeem ntxiv -
Daim Ntawv Thov ntawm Nano-cov ntaub ntawv hauv Cov Khoom Siv Polyurethane Uas Hloov Kho Dej
Polyurethane dej los ntawm dej yog ib hom polyurethane tshiab uas siv dej es tsis siv cov organic solvents ua cov khoom sib kis. Nws muaj qhov zoo ntawm tsis muaj kuab paug, kev nyab xeeb thiab kev ntseeg tau, cov khoom siv kho tshuab zoo heev, kev sib raug zoo, thiab kev hloov pauv yooj yim. Txawm li cas los xij, cov khoom siv polyurethane...Nyeem ntxiv