-
Kev tsim cov thev naus laus zis ntawm kev ua haujlwm ecological hluavtaws tawv raws li cov khoom siv dej siab polyurethane.
Polyurethane hluavtaws tawv yog cov khoom siv sib xyaw ua ke tshiab uas tau tsim sai heev hauv xyoo tas los no.Nws yog tsim los ntawm txheej txheej polyurethane slurry nrog qhib cell qauv ntawm lub hauv paus qis ntawm textile thiab non-woven fabrics.Txawm li cas los xij, feem ntau ntawm pol ...Nyeem ntxiv -
Kev soj ntsuam daim ntawv qhia txog kev lag luam kev loj hlob ntawm dej epoxy resin.
Epoxy resin feem ntau yog hais txog cov organic polymer compound nrog ob lossis ntau dua epoxy pawg hauv cov molecule thiab tsim cov khoom peb-dimensional crosslinked network kho cov khoom raws li kev txiav txim ntawm cov tshuaj tsim nyog.Tsuas yog ob peb, nws qhov hnyav molecular tsis siab....Nyeem ntxiv -
Carboxylic hydrophilic chain extenders DMBA thiab DMPA.
Preface Hauv kev tsim cov dej polyurethane, carboxylic acid li anionic hydrophilic chain extender yog ib hom carboxylic acid nrog diol, uas tau siv dav rau nws cov qauv molecular tshwj xeeb thiab cov khoom lag luam zoo heev.Carboxylic acid hom saw...Nyeem ntxiv
