Lub thawv Hoobkas tau tshaj tawm tias corrugated cardboard muaj kev ua haujlwm tsis zoo ib ntus tom qab raug kho nrog tus neeg saib xyuas dej tsis tu ncua hauv cov txheej txheem tsim khoom. Thaum cov dej ntog rau ntawm nws lub sijhawm luv luv, nws yuav tsis ntub thiab tsim cov tee dej, uas tuaj yeem tiv thaiv dej los ntawm cov ntawv los ntawm cov duab los qhia. Cov txheej txheem dej tshuaj tua kab mob ib ntus tau siv rau hauv cov thawv loj loj hauv kuv lub tebchaws hauv kaum xyoo dhau los. Tus neeg saib xyuas dej tsis zoo no yog thawj zaug qhia los ntawm Nyij Pooj, thiab nws cov lus Nyij Pooj yog "dej-tus neeg rub tawm".
Cov txheej no tau siv nyob rau hauv thaum ntxov hnub ntawm cov ntaub fibers, thiab tom qab ntawd nyob rau hauv kev kho mob ntawm cardboard. Yog li ntawd, feem ntau cov ntoo thawv ntoo siv lub npe dej - rub tus neeg sawv cev. Cov dej- tshem tawm tus neeg sawv cev yog ib qho emulsion nrog cov ntsiab lus ntawm 48% mus rau 51%. Nws qhov tseem ceeb tshaj plaws yog tias nws tuaj yeem diluted nrog li 30 npaug ntawm dej thaum siv, thiab tom qab ntawd coated rau saum npoo ntawm corrugated cardboard raug tsim. After 150 When it is dried at a temperature of about℃, the surface fibers of the paper have low surface tension due to the wrapping of vinegar, forming a surface layer that is not wetted by water. Thaum ntsib dej, dej tsis nkag mus rau ntawm daim duab los qhia, tsim cov dej ntws tawm kom yob tawm, yog li ua tiav cov txiaj ntsig ntawm cov dej tsis zoo. Txawm li cas los xij, qhov adhesion ntawm wax rau daim ntawv fibers tsis zoo, tshwj xeeb tshaj yog thaum cov dej - rub tus neeg sawv cev yog diluted 30 zaug, nws cov ntsiab lus tsuas yog 1.5 ~, thiab tsuas yog ib txheej nyias ntawm daim ntawv fibers yog qhwv los ntawm wax. Tsis tas li ntawd, vim tias qhov loj me ntawm cov quav ciab hauv cov quav ciab emulsion feem ntau loj dua li ntawm cov polymer emulsion ib txwm, nws nyuaj rau nkag mus tob rau hauv cov ntawv fibers. Nyob rau tib lub sijhawm, cov dej- tshem tawm tus neeg sawv cev feem ntau yog rhiab rau cov tshuaj xws li alum, thiab nyiam sai heev rau ntawm daim ntawv. Cov nplej yog precipitated los ntawm demulsification, yog li feem ntau ntawm cov quav ciab hais nyob rau hauv dej- tshem tawm tus neeg sawv cev tsuas yog muaj nyob rau hauv ib tug nyias txheej ntawm daim ntawv.
Nyob rau hauv qhov kev txiav txim ntawm kev sib txhuam sab nraud, cov quav ciab tau yooj yim rub tawm, nthuav tawm cov fibers tsis muaj ntaub qhwv, thiab cov nyhuv dej tsis zoo yog txo qis heev. Txhawm rau txhim kho qhov adhesion ntawm wax rau daim ntawv fibers, feem ntau muaj cov rosin derivatives lossis carboxylated polymer emulsions hauv dej - tshem tawm tus neeg sawv cev, uas tsis yog tsuas yog muaj cov adhesion zoo rau cov ntawv fibers, tab sis kuj muaj kev sib raug zoo nrog cov quav ciab. Nyob rau hauv txoj kev no, lawv qhov sib ntxiv tuaj yeem txhawb nqa qhov adhesion ntawm cov quav ciab rau daim ntawv fibers, thiab tib lub sijhawm, yog tias cov ntaub ntawv hloov pauv, xws li oxidation thiab matrixing, nws kuj muaj cov nyhuv zoo sib xws, uas tuaj yeem ua rau cov adhesion ntawm cov ntaub ntawv fiber ntau. Tab sis nws yuav tsum tau taw qhia tias txawm tias nrog cov kev ntsuas no ntxiv, cov dej - rub tus neeg sawv cev tseem tsis yog txheej txheej zaj duab xis tsis muaj dej tsis zoo ntawm qhov concentration. renders no waterproof nto tsis siv. Qhov no yog vim li cas xws li cov thawv ntawv coated nrog cov tshuaj tiv thaiv dej tau raug xaiv los ua cov thawv dej tsis zoo ib ntus.
