qhia:
Sab hauv phab ntsa putty plays lub luag haujlwm tseem ceeb hauv kev ua tiav cov phab ntsa du, zoo nkauj. Ntawm cov khoom xyaw ntau yam uas tsim cov phab ntsa putty formulations, redispersible polymer hmoov (RDP) sawv tawm rau lub luag hauj lwm tseem ceeb uas lawv ua si nyob rau hauv kev txhim kho cov kev ua tau zoo thiab cov khoom ntawm cov khoom kawg.
Ntu 1: Nkag siab Redispersible Polymer Powder (RDP)
1.1 Txhais thiab muaj pes tsawg leeg:
RDP yog cov hmoov copolymer uas muaj vinyl acetate, ethylene thiab lwm yam polymer monomers. Nws feem ntau yog muab los ntawm cov khoom siv hluavtaws thiab yog ib qho tseem ceeb hauv kev tsim cov phab ntsa putty.
1.2 Lub cev muaj zog:
RDP yog tus cwj pwm los ntawm nws cov hmoov zoo morphology, zoo heev dej redispersibility thiab zaj duab xis-forming zog. Cov khoom no yog qhov tseem ceeb rau nws txoj kev vam meej hauv kev siv phab ntsa putty.
Tshooj 2: Lub luag haujlwm ntawm RDP hauv cov phab ntsa sab hauv
2.1 Txhim kho adhesion:
Ib qho ntawm cov haujlwm tseem ceeb ntawm RDP hauv cov phab ntsa sab hauv yog txhawm rau txhim kho adhesion. Lub polymer tsim ib daim ntawv cog lus ntev nrog lub substrate, kom ntseeg tau tias cov putty adheres ruaj khov rau ntawm phab ntsa.
2.2 Flexibility thiab tawg tsis kam:
RDP muab phab ntsa putty yooj, txo qhov kev pheej hmoo ntawm kev tawg thiab tawg. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog nyob rau sab hauv qhov chaw uas cov phab ntsa yuav txav me ntsis vim qhov kub thiab txias hloov los yog kev sib haum xeeb.
2.3 Dej tsis kam:
Kev koom ua ke RDP tuaj yeem txhim kho cov dej tsis kam ntawm sab hauv phab ntsa putty. Cov cuab yeej no yog qhov tseem ceeb los tiv thaiv kev puas tsuaj los ntawm kev ya raws, ua kom lub neej ntev ntawm putty thov.
2.4 Constructability thiab spreadability:
RDP pab txhim kho daim ntawv thov cov khoom ntawm phab ntsa putty, ua kom yooj yim rau kev thov thiab kis tusyees thoob plaws qhov chaw. Cov yeeb yam no muaj txiaj ntsig zoo rau ob tus kws tshaj lij thiab cov neeg nyiam DIY.
2.5 Durability thiab lifespan:
Kev koom ua ke RDP rau hauv phab ntsa putty formulations txhim khu lub zuag qhia tag nrho durability ntawm txheej. Qhov no yog qhov tseem ceeb rau kev tswj xyuas kev ncaj ncees ntawm phab ntsa nyob rau lub sijhawm ntev.
Tshooj 3: Cov txheej txheem tsim khoom thiab ntau npaum li cas ntawm RDP hauv cov phab ntsa sab hauv
3.1 Manufacturing txheej txheem:
Kev tsim cov phab ntsa sab hauv yuav tsum tau ua tib zoo sib xyaw ntawm ntau cov khoom xyaw, suav nrog RDP. Cov txheej txheem tsim khoom yuav tsum ua kom muaj kev sib faib ntawm RDP kom ua tiav cov khoom zoo ib yam.
3.2 Optimal dosage:
Kev txiav txim siab qhov zoo ntawm RDP yog qhov tseem ceeb ntawm kev tsim cov phab ntsa sab hauv. Qhov no nyob ntawm cov yam ntxwv xws li cov khoom xav tau ntawm putty, hom substrate thiab ib puag ncig tej yam kev mob.
Tshooj 4: Cov kev sib tw thiab kev xav ntawm kev siv RDP hauv cov phab ntsa sab hauv
4.1 Compatibility teeb meem:
Thaum RDP muaj ntau qhov zoo, nws qhov kev sib raug zoo nrog lwm cov khoom siv ntxiv thiab cov khoom siv raw yuav tsum raug txiav txim siab thaum lub sijhawm tsim cov txheej txheem. Kev tsis sib haum xeeb tuaj yeem cuam tshuam rau kev ua haujlwm ntawm phab ntsa putty.
4.2 Kev cuam tshuam ib puag ncig:
Raws li nrog rau txhua yam tshuaj ntxiv, qhov kev cuam tshuam ib puag ncig ntawm RDP yuav tsum raug txiav txim siab. Cov neeg tsim khoom tab tom tshawb nrhiav kev hloov pauv kom ruaj khov kom txo qis cov hneev taw ecological ntawm phab ntsa putty ntau lawm.
nyob rau hauv xaus:
Hauv cov ntsiab lus, qhov sib ntxiv ntawm redispersible polymer hmoov (RDP) rau sab hauv phab ntsa putty yog qhov tseem ceeb kom ua tiav qhov zoo, ruaj khov thiab ua kom zoo nkauj. RDP lub luag haujlwm ntau yam hauv kev txhim kho adhesion, yoog raws, dej tsis kam, ua haujlwm tau zoo thiab ua haujlwm ntev ua rau nws yog ib qho tseem ceeb hauv cov qauv phab ntsa niaj hnub. Raws li kev lag luam txuas ntxiv mus, cov kws tshawb fawb thiab cov tuam txhab lag luam tuaj yeem tshawb nrhiav txoj hauv kev tshiab los ua kom cov txiaj ntsig zoo tshaj plaws ntawm RDP thaum hais txog cov teeb meem uas muaj peev xwm thiab ib puag ncig.
Post lub sij hawm: Nov-30-2023