Keeb Kwm Ntawm Kub Yaj Adhesives

Nov 21, 2020 Tso lus

Cov kub yaj nplaum nplaum siv los ntawm lub tshuab ua kua nplaum kub yog cov khoom siv uas ruaj khov kho cov khoom siv ntau yam ua ke los ntawm kev siv interface (tshuaj lom neeg lub zog, lub zog lub cev), hu ua kua nplaum rau luv. Tib neeg muaj keeb kwm ntev ntawm kev siv nplaum. Cov tib neeg thaum ntxov tau txais kev tshoov siab los ntawm qhov tshwm sim ntawm kev sib koom tes ntawm cov xwm txheej thiab pib siv cov tshuaj pleev ib ce, xws li cov kua nplaum ntshav, pob txha kua nplaum, rosin, ntuj asphalt, hmoov txhuv nplej siab, kua qaub, thiab lwm yam Raws li cov ntaub ntawv sau cia thiab tshawb fawb, raws li deb tau ntev li 5,300 xyoo dhau los, tib neeg siv dej sib xyaw thiab av nplaum los nplaum zeb thiab lwm yam cuab yeej rau hauv lub neej. Lub sijhawm Qin Cov Tuam Tsev, cov tib neeg siv cov tshuaj khib ua los ntawm cov kua nplaum nplej thiab kua qaub ua cov nplaum rau lub hauv paus pob zeb ntawm Great Wall. Ob qho tib si Tuam Tshoj thiab Nyij Pooj siv cov kua nplaum txhawm rau txhawm rau txhawm rau sib koom tes sib dhos, sib dhos, thiab hneev rau lub sijhawm qub. Lub tshuab ua kua nplaum kub yaj ua rau lub ntsej muag kub lub ntsej muag tooj liab lub taub hau los ntawm qhov kev faus toj ntawm Sanxingdui, Guanghan, Sichuan thaum xyoo 1986. Nws taug qab lub sijhawm thaum cov neeg Suav siv cov nplaum rov qab mus rau ntawm Xaj thiab Shang lub sijhawm 4000 xyoo dhau los. Daim npog ntsej muag kub yog nthuav tawm los ntawm kub ntawv nyiaj. Nws yog glued ntawm lub taub hau tooj liab nrog lub paj taub hau suav lus Suav thiab txiv qaub.

Txawm hais tias cov nplaum tau siv ntev thiab tau ua tiav qee qhov txiaj ntsig, lawv tseem nyob rau theem ntawm kev siv cov roj hmab ntuj ntev ntev, thiab kev ua tau zoo ntawm kev siv cov kua nplaum ntuj (tsis tshua muaj kev sib raug zoo, kev ua tsis tau zoo, thiab lwm yam) txwv tsis pub thiab kev txhim kho ntawm kev sib koom tes thev naus laus zis.

Hauv xyoo 1930, vim yog kev txhim kho ntawm kev lag luam loj-tshiab thiab cov khoom siv hluavtaws polymer, cov khoom siv hluavtaws tau tshwm sim. Cov nplaum hluavtaws rau cov tshuab ua kua nplaum kub muaj ntau ntau yam thiab muaj zog ntau dua cov nplaum tshwj xeeb. Thiab zoo dua durability thiab lwm yam ntxwv. Nrog rau qhov tshwm sim ntawm cov tshuaj pleev hluavtaws, cov nplaum tau siv dav dav, thiab qhov tseem ceeb ntawm kev siv nplaum hauv kev lag luam thiab kev ua neej nyob niaj hnub tau dhau los ua qhov tseem ceeb dua. Niaj hnub no, cov nplaum hluavtaws muaj ntau dua li 90% ntawm tag nrho cov txiaj ntsig ntawm cov nplaum rau hauv lub ntiaj teb thiab ua lub luag haujlwm tseem ceeb. Nws tseem yog qhov tshwj xeeb kub yaj kua nplaum rau kub yaj yaj tshuab.