Hmoov polymer yog ib yam khoom siv ntxiv rau hauv cov nplaum pobzeb kom tiv thaiv cov pobzeb kom tsis txhob khoob. Ntxiv hmoov polymer rau hauv cov nplaum sib xyaw ua rau cov nplaum muaj peev xwm sib txuas tau zoo dua, tsim kom muaj kev sib txuas zoo ntawm cov pobzeb thiab cov khoom siv hauv pem teb. Cov pobzeb khoob qhia tias cov pobzeb thiab cov khoom siv hauv pem teb tsis sib cuag zoo, lossis tsis muaj cov nplaum ntawm ob qho chaw. Hauv kev tsim kho, qhov khoob ntawm cov pobzeb feem ntau raug suav hais tias yog qhov teeb meem tseem ceeb uas yuav tsum tau daws. Hmoov polymer tau ua pov thawj tias muaj txiaj ntsig zoo hauv kev tiv thaiv cov pobzeb kom tsis txhob khoob thiab ua kom muaj kev teeb tsa zoo. Tsab xov xwm no tham txog yuav ua li cas cov hmoov polymer tuaj yeem tiv thaiv cov pobzeb kom tsis txhob khoob hauv kev tsim kho.
Cov hmoov polymer feem ntau yog ua los ntawm cov hmoov polymer uas tau tawg ua dua tshiab (RDP) thiab feem ntau yog siv rau hauv cov khoom sib xyaw ua ntej, cov khoom sib xyaw qhuav thiab cov chav sib txuas. RDP yog cov hmoov uas muaj cov vinyl acetate thiab ethylene sib xyaw. Lub luag haujlwm ntawm cov hmoov polymer yog los txhim kho cov khoom sib txuas ntawm cov txheej sib txuas, ua kom lub zog sib txuas ntawm cov vuas ceramic thiab lub zog tensile ntawm cov nplaum. Cov txheej sib txuas muaj cov hmoov polymer uas muab kev sib txuas zoo rau ntau yam khoom siv suav nrog cov pob zeb ua vaj tse, cov pob zeb plastered thiab plasterboard.
Cov hmoov polymer kuj ua haujlwm ua tus neeg sawv cev khaws dej, txhim kho qhov ntws ntawm cov khoom sib xyaw ua ke. Cov hmoov polymer pab tswj cov dej noo hauv cov nplaum, yog li ua kom lub sijhawm ziab ntawm cov nplaum ntev dua. Vim yog cov txheej txheem ziab qeeb, cov nplaum tuaj yeem nkag mus rau hauv cov pobzeb thiab cov khoom siv hauv qab, tsim kom muaj kev sib txuas zoo dua. Cov nplaum sib xyaw ua ke tuab dua, qeeb dua pab tiv thaiv cov pobzeb kom tsis txhob khoob los ntawm kev ua kom cov pobzeb tau muab tso rau hauv cov nplaum thiab yuav tsis tawm thaum lub sijhawm teeb tsa.
Ntxiv mus, cov hmoov polymer tiv thaiv cov vuas pobzeb kom tsis txhob khoob los ntawm kev tsim cov nplaum uas ywj pheej. Cov nplaum uas muaj cov hmoov polymer muaj kev ywj pheej thiab tuaj yeem nqus cov kev ntxhov siab uas cov plag tsev thiab phab ntsa yuav ntsib thiab txo qhov muaj feem yuav tawg. Qhov ywj pheej ntawm cov nplaum txhais tau tias nws yuav txav mus nrog cov vuas pobzeb, txo qhov kev pheej hmoo ntawm kev nias ntau dhau rau ntawm cov vuas pobzeb thiab tiv thaiv cov vuas pobzeb kom tsis txhob tawg. Qhov no kuj txhais tau tias cov nplaum tuaj yeem sau cov qhov sib txawv, cov qhov khoob thiab cov qhov tsis sib xws ntawm cov vuas pobzeb thiab cov khoom siv, txhim kho qhov chaw sib cuag ntawm ob qho tib si.
Lwm qhov zoo ntawm cov hmoov polymer yog nws qhov kev nplaum zoo rau ntau hom substrates, uas yog qhov tseem ceeb los tiv thaiv cov vuas vov kom tsis txhob khoob. Cov nplaum uas muaj cov hmoov polymer tuaj yeem lo rau ntau yam khoom siv, suav nrog ntoo, pob zeb thiab hlau. Lub peev xwm los lo rau ntau hom substrates txo qhov kev pheej hmoo ntawm cov vuas vov hauv cov chaw uas raug kev nyuaj siab, kev txav mus los lossis kev co. Cov nplaum uas muaj cov hmoov polymer ua kom cov vuas vov uas lo rau lub substrate muaj zog thiab muaj peev xwm tiv taus kev ntxhov siab yam tsis tau tawm ntawm lub substrate.
Cov hmoov polymer kuj yooj yim siv thiab yooj yim siv, ua rau lawv yog qhov kev daws teeb meem zoo tshaj plaws rau kev tiv thaiv cov vuas vov kom tsis txhob lwj. Cov khoom siv no muaj cov hmoov thiab tuaj yeem sib xyaw nrog cov nplaum tau yooj yim, ua rau cov txheej txheem teeb tsa sai dua thiab yooj yim dua. Cov nplaum uas muaj cov hmoov polymer ua kom cov vuas vov lo rau ntawm cov khoom siv, txo qhov ua tau ntawm cov vuas vov thaum teeb tsa.
Kev siv cov hmoov polymer hauv cov nplaum pobzeb tuaj yeem tiv thaiv cov pobzeb kom tsis txhob lwj los ntawm kev txhim kho cov khoom sib txuas ntawm cov txheej sib txuas. Lub luag haujlwm ntawm cov hmoov polymer yog los txhim kho lub zog sib txuas ntawm cov nplaum rau lub substrate thiab cov vuas ceramic, tsim kom muaj kev sib txuas zoo ntawm cov vuas ceramic thiab lub substrate. Nws kuj tsim cov nplaum elastic uas nqus tau kev ntxhov siab thiab kev txav mus los, txo qhov kev pheej hmoo ntawm kev tawg thiab kev sib cais ntawm lub substrate. Cov khoom khaws dej ntawm cov hmoov polymer kuj tseem ua rau lub sijhawm qhuav ntev dua, ua kom cov nplaum tuaj yeem nkag mus rau hauv cov vuas thiab cov nto substrate kom sib txuas zoo dua. Thaum kawg, cov hmoov polymer yog tus neeg siv-phooj ywg thiab yooj yim siv thiab tuaj yeem sib txuas rau ntau lub substrates, ua rau nws yog qhov kev daws teeb meem zoo tshaj plaws rau kev tiv thaiv cov vuas hollow.
Lub sijhawm tshaj tawm: Cuaj hlis-13-2023