qhia txog:
Cov tshuaj pleev phab ntsa sab hauv ua lub luag haujlwm tseem ceeb hauv kev ua kom cov phab ntsa du thiab zoo nkauj. Ntawm ntau yam khoom xyaw uas ua rau cov tshuaj pleev phab ntsa, cov hmoov polymer redispersible (RDP) sawv tawm rau lub luag haujlwm tseem ceeb uas lawv ua si hauv kev txhim kho kev ua tau zoo thiab cov khoom ntawm cov khoom kawg.
Ntu 1: Nkag Siab Txog Cov Hmoov Polymer Uas Yaj Tau Dua Tshiab (RDP)
1.1 Lub ntsiab lus thiab kev sib xyaw ua ke:
RDP yog ib qho hmoov copolymer uas muaj vinyl acetate, ethylene thiab lwm yam polymer monomers. Nws feem ntau yog los ntawm cov resins hluavtaws thiab yog ib qho tseem ceeb binder hauv cov qauv putty phab ntsa.
1.2 Cov khoom siv lub cev:
RDP yog tus cwj pwm los ntawm nws cov hmoov zoo, cov dej rov ua dua tshiab zoo heev thiab cov khoom ua zaj duab xis. Cov khoom no yog qhov tseem ceeb rau nws txoj kev koom ua ke zoo hauv cov ntawv thov phab ntsa putty.
Ntu 2: Lub luag haujlwm ntawm RDP hauv kev siv cov khoom siv pleev xim rau phab ntsa sab hauv
2.1 Txhim kho kev nplaum:
Ib qho ntawm cov haujlwm tseem ceeb ntawm RDP hauv cov khoom siv pleev xim rau phab ntsa sab hauv yog los txhim kho kev nplaum. Cov polymer tsim cov khoom sib txuas ntev nrog lub substrate, ua kom ntseeg tau tias cov khoom pleev xim lo rau ntawm phab ntsa.
2.2 Kev ywj pheej thiab kev tawg tsis kam:
RDP muab kev ywj pheej ntawm cov khoom siv pleev rau phab ntsa, txo qhov kev pheej hmoo ntawm kev tawg thiab kev tawg. Qhov no tseem ceeb heev rau cov chaw sab hauv uas phab ntsa yuav txav me ntsis vim yog kev hloov pauv ntawm qhov kub thiab txias lossis kev sib tsoo ntawm cov qauv.
2.3 Kev tiv thaiv dej:
Kev siv RDP tuaj yeem txhim kho qhov tsis kam dej ntawm cov putty sab hauv phab ntsa. Cov yam ntxwv no yog qhov tseem ceeb los tiv thaiv kev puas tsuaj los ntawm cov dej noo, ua kom ntseeg tau tias cov putty siv tau ntev.
2.4 Kev Tsim Kho Tau thiab Kev Nthuav Dav:
RDP pab txhim kho cov yam ntxwv ntawm kev siv cov putty phab ntsa, ua rau nws yooj yim dua rau kev siv thiab nthuav dav thoob plaws qhov chaw. Qhov no muaj txiaj ntsig zoo rau cov kws tshaj lij thiab cov neeg nyiam DIY.
2.5 Kev ruaj khov thiab lub neej ntev:
Kev siv RDP rau hauv cov qauv putty phab ntsa ua rau lub txheej txheej ruaj khov dua. Qhov no yog qhov tseem ceeb rau kev tswj hwm kev ncaj ncees ntawm phab ntsa mus rau lub sijhawm ntev.
Ntu 3: Cov txheej txheem tsim khoom thiab cov koob tshuaj ntawm RDP hauv cov phab ntsa sab hauv
3.1 Cov txheej txheem tsim khoom:
Kev tsim cov putty phab ntsa sab hauv yuav tsum tau sib xyaw ua ke ntawm ntau yam khoom xyaw, suav nrog RDP. Cov txheej txheem tsim khoom yuav tsum xyuas kom meej tias muaj kev faib tawm ntawm RDP sib npaug kom ua tiav cov khoom zoo sib xws.
3.2 Qhov koob tshuaj zoo tshaj plaws:
Kev txiav txim siab qhov ntau npaum li cas ntawm RDP yog qhov tseem ceeb ntawm kev tsim cov putty sab hauv phab ntsa. Qhov no nyob ntawm cov yam ntxwv xws li cov yam ntxwv xav tau ntawm cov putty, hom substrate thiab cov xwm txheej ib puag ncig.
Ntu 4: Cov teeb meem thiab kev xav txog kev siv RDP hauv cov phab ntsa sab hauv
4.1 Teeb meem sib xws:
Txawm hais tias RDP muaj ntau yam zoo, nws qhov sib xws nrog lwm cov khoom ntxiv thiab cov khoom siv raw yuav tsum tau xav txog thaum lub sijhawm tsim cov txheej txheem. Qhov tsis sib xws yuav cuam tshuam tsis zoo rau kev ua haujlwm ntawm phab ntsa putty.
4.2 Kev cuam tshuam rau ib puag ncig:
Ib yam li lwm yam tshuaj ntxiv, yuav tsum xav txog qhov cuam tshuam rau ib puag ncig ntawm RDP. Cov chaw tsim khoom tab tom tshawb nrhiav ntau txoj hauv kev kom ruaj khov kom txo qhov cuam tshuam ntawm kev tsim cov khoom siv phab ntsa.
xaus lus:
Hauv kev xaus lus, qhov ntxiv cov hmoov polymer redispersible (RDP) rau hauv cov putty phab ntsa sab hauv yog qhov tseem ceeb kom ua tiav qhov zoo, ruaj khov thiab zoo nkauj. RDP lub luag haujlwm ntau yam hauv kev txhim kho kev nplaum, kev ywj pheej, kev tiv thaiv dej, kev ua haujlwm tau zoo thiab kev ruaj khov ua rau nws yog ib qho tseem ceeb hauv cov qauv putty phab ntsa niaj hnub. Thaum kev lag luam txuas ntxiv mus, cov kws tshawb fawb thiab cov chaw tsim khoom tuaj yeem tshawb nrhiav cov hauv kev tshiab los ua kom tau txiaj ntsig ntau tshaj plaws ntawm RDP thaum daws cov teeb meem thiab cov yam ntxwv ib puag ncig.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-30-2023