Kawm Txog Kev Hloov Kho Ntawm Cov Dej Txhaum Polyurethane Leather Finishing Featured Image

Kawm Txog Kev Hloov Kho Ntawm Cov Dej Txhaum Cai Polyurethane Leather Finishing

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Hauv cov txheej txheem ntawm cov tawv nqaij, kev ua tiav yog ib qho tseem ceeb heev, uas muaj feem cuam tshuam rau kev siv cov nqi ntawm cov tawv nqaij.Nrog rau txoj kev loj hlob ntawm kev lag luam thiab kev txhim kho txuas ntxiv ntawm tib neeg txoj kev ua neej nyob, tib neeg muaj kev xav tau ntau dua thiab siab dua rau cov neeg ua haujlwm tawv tawv, thiab nyob rau xyoo tas los no, lawv tau maj mam txav mus ze rau hom kev nyiam ib puag ncig.Cov dej hauv dej polyurethane tawv tiav tus neeg sawv cev tuaj yeem zam kev ua qias tuaj thiab toxicity ntawm cov neeg ua tiav ib txwm muaj, thiab muaj cov yam ntxwv ntawm kev khaws cia yooj yim, kev thauj mus los thiab tsis muaj combustion.Nws muaj kev ua tau zoo heev, tab sis nws tseem muaj qee qhov tsis zoo hauv kev hnav tsis kam thiab dej tsis kam.Nws xav tau cov neeg ua haujlwm cuam tshuam los tshawb nrhiav thiab hloov kho cov dej hauv polyurethane tawv tiav tus neeg sawv cev.

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Kev hloov kho ntawm Waterborne Polyurethane Leather Finishing Agent

Xaiv 10g attapulgite av nplaum, ntxiv 100ml ntawm hydrochloric acid nrog ib tug concentration ntawm 1mol / L rau cov av nplaum, sib tov ob, do rau 24 teev, thiab ces txias.Tom qab ntawd, cov filtrate yog ntxuav nrog dej distilled kom cov filtrate tsis muaj chloride ions lawm.Cov filtrate yog qhuav hauv qhov cub nrog qhov kub ntawm 100 ° C. tom qab tos 24 teev, nws yog av rau hauv hmoov.Yog li, cov kua qaub kho attapulgite tau txais.

Kev hloov kho ntawm Waterborne Polyurethane Resin Lotion Nrog Attapulgite

Npaj cov kua qaub kho attapulgite rau hauv ib qho dispersion nrog ib feem ntawm 10%, ntiav electromagnetic stirring rau ob teev, thiab ces ua ultrasonic dispersion rau ib teev.Tom qab ntawd, ntxiv aqueous polyurethane resin lotion rau hauv dispersion nyob rau hauv stirring tej yam kev mob, nyob rau hauv lub loj feem ntawm aqueous polyurethane resin lotion yog 20%, Cov ntsiab lus ntawm cov kua qaub kho attapulgite yog tswj kom nyob nruab nrab ntawm 0.1% thiab 5% ntawm cov dej-raws li polyurethane. resin lotion, ob yog tso cai rau hnov mob ntawm 70 ℃ rau plaub teev, thiab tom qab ntawd cov khoom yog concentrated txog 20% los ntawm kev siv lub evaporator teb.Yog li, kev hloov kho ntawm cov dej-raws li polyurethane resin lotion los ntawm kev siv attapulgite av nplaum yog pib pom.Tom qab ntawd, cov yeeb yaj kiab tau tsim nrog daim ntawv thov ntawm cov khoom hloov kho, thiab 20g ntawm cov khoom tau muab tso rau hauv pwm ntawm polytetrafluoroethylene kom ua tiav zaj duab xis.