Nyob rau hauv lub tshav pob ntawm polymer adhesives, nce flexibility tau nrhiav tau ntau xyoo. Nrog rau qhov kev thov rau cov khoom siv ruaj khov thiab muaj zog dua, kev txhim kho ntawm cov ntaub nplaum polymer hloov tau dhau los ua qhov tseem ceeb. Ib qho kev txhim kho uas tau pom cov lus cog tseg yog kev siv RDP polymer binder blends.
RDP, los yog redispersible polymer hmoov, yog ib qho polymer uas tau qhuav thiab hauv av rau hauv cov hmoov, uas tuaj yeem hloov pauv hauv cov kua los tsim cov emulsion tshiab lossis txheej. Cov hmoov yog tsim los ntawm ntau yam polymers xws li yas acetate-ethylene (VAE), vinyl acetate-ethylene (VAEO), thiab vinyl acetate-ethylene ester (VA-VE). RDP tau dav siv nyob rau hauv cov nplaum thiab txheej formulations nrog rau mortar thiab pob zeb daim ntaub ntawv. Nws zoo heev zaj duab xis-tsim cov khoom thiab muaj peev xwm los txhim kho adhesion, processability thiab saj zawg zog ua rau nws ib tug nrov kev xaiv nyob rau hauv ntau industries.
Thaum sib xyaw nrog lwm cov polymers xws li polyvinyl acetate (PVA), styrene-butadiene roj hmab (SBR) thiab carboxyl styrene-butadiene roj hmab (XSB), RDP tuaj yeem txhim kho qhov yooj yim ntawm cov khoom kawg. Qhov no yog vim muaj peev xwm ntawm RDP kom nce cov yas thiab elasticity ntawm polymers. Los ntawm kev siv cov khoom xyaw no los tsim cov yeeb yaj kiab uas muaj zog, RDP tuaj yeem txhim kho lub zog ntawm cov khoom kawg thiab ua rau nws tiv taus ntau dua rau kev tawg thiab deformation.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm kev siv RDP polymer adhesive blends yog lawv ntau yam. Nws tuaj yeem siv rau ntau yam substrates, suav nrog ntoo, pob zeb thiab hlau, yam tsis muaj kev cuam tshuam kev ua haujlwm lossis kev ua haujlwm ntev. Tsis tas li ntawd, nws tuaj yeem tsim nrog ntau qib ntawm kev hloov pauv raws li qhov xav tau siv kawg. Qhov no tso cai rau kev hloov pauv ntau dua hauv cov khoom tsim thiab muaj peev xwm los tsim cov kev daws teeb meem rau cov ntawv thov tshwj xeeb.
Lwm qhov txiaj ntsig ntawm kev siv RDP polymer binder sib xyaw yog nws cov txiaj ntsig zoo. Nws tus nqi qis dua piv rau lwm hom adhesives ua rau nws qhov kev xaiv zoo nkauj rau ntau qhov kev lag luam. Nws kuj tseem siv tau yooj yim thiab tuaj yeem muab tso rau hauv cov zaub mov uas twb muaj lawm yam tsis muaj kev hloov pauv loj.
RDP polymer binder blends tuaj yeem txhim kho tag nrho qhov zoo ntawm cov khoom kawg. Vim tias nws muab kev yooj yim dua thiab txhim kho adhesion, nws txuas ntxiv lub neej ntawm cov khoom thiab txo qhov kev xav tau kev kho ntau zaus lossis hloov. Nyob rau tib lub sijhawm, qhov no tuaj yeem ua rau cov nqi txuag nyiaj ntau thiab ua rau cov neeg siv khoom txaus siab.
Kev siv RDP polymer binder blends qhia tau hais tias kev cog lus zoo hauv kev ua kom yooj yim hauv ntau yam khoom. Nws versatility, nqi-effectiveness, thiab muaj peev xwm los txhim kho tag nrho cov zoo ntawm cov khoom kawg ua rau nws ib tug tseem ceeb xaiv nyob rau hauv ntau industries. Kev siv RDP polymer adhesive blends zoo li yuav txuas ntxiv mus rau qhov muaj koob meej raws li qhov kev thov rau cov khoom siv ruaj khov thiab cov khoom muaj zog txuas ntxiv mus ntxiv.
Post lub sij hawm: Oct-16-2023