HPMC (Hydroxypropyl Methylcellulose)yog ib qho tshuaj polymer uas yaj tau hauv dej uas tau hloov kho los ntawm cov cellulose ntuj. Nws siv dav hauv ntau qhov chaw xws li kev tsim kho, kev pleev xim, tshuaj, thiab zaub mov. Hauv kev lag luam kev tsim kho, HPMC, ua ib qho khoom siv ntxiv rau cov mortar, tuaj yeem txhim kho kev ua haujlwm ntawm cov mortar thiab txhim kho nws txoj haujlwm, kev khaws dej, kev ua haujlwm, kev nplaum, thiab lwm yam.
1. Kev ua tau zoo thiab kev ua haujlwm ntawm HPMC
HPMC muaj cov khoom tseem ceeb hauv qab no:
Ua kom tuab:AnxinCel®HPMCtuaj yeem ua rau cov mortar viscosity ntau dua, ua rau cov mortar sib xws thiab ruaj khov dua, thiab yooj yim siv thaum lub sijhawm tsim kho.
Kev khaws dej: HPMC tuaj yeem txo qhov kev ua pa ntawm cov dej hauv cov mortar, ncua qhov ceev ntawm cov mortar, thiab xyuas kom meej tias cov mortar yuav tsis qhuav ua ntej lub sijhawm tsim kho, yog li zam kev tshwm sim ntawm cov kab nrib pleb.
Rheology: Los ntawm kev kho hom thiab koob tshuaj ntawm HPMC, qhov fluidity ntawm cov mortar tuaj yeem txhim kho, ua rau nws du thiab yooj yim dua los tsim thaum lub sijhawm thov.
Kev nplaum: HPMC muaj qee qib ntawm kev nplaum thiab tuaj yeem txhim kho lub zog sib txuas ntawm cov mortar thiab cov khoom siv hauv paus, uas yog qhov tseem ceeb tshwj xeeb hauv kev siv xws li mortar qhuav thiab phab ntsa kho kom zoo nkauj.
2. Daim ntawv thov ntawm HPMC hauv cov mortars sib txawv
2.1 Daim ntawv thov hauv plastering mortar
Cov tshuaj pleev plhu yog ib hom tshuaj pleev plhu uas siv ntau hauv kev tsim kho. Feem ntau nws yog siv rau kev pleev xim thiab kho kom zoo nkauj phab ntsa, qab nthab, thiab lwm yam. Lub luag haujlwm tseem ceeb ntawm HPMC hauv cov tshuaj pleev plhu yog:
Txhim kho kev ua haujlwm tau zoo: HPMC tuaj yeem txhim kho qhov fluidity ntawm plastering mortar, ua rau nws sib xws thiab du thaum lub sijhawm ua haujlwm tsim kho, ua rau nws yooj yim dua rau cov neeg ua haujlwm tsim kho kom ua haujlwm thiab txo qhov kev siv zog rau cov neeg ua haujlwm.
Kev khaws dej kom zoo dua: Vim yog qhov khaws dej ntawm HPMC, cov plastering mortar tuaj yeem tswj tau cov dej noo txaus kom tiv thaiv cov mortar kom qhuav sai dhau, ua rau muaj teeb meem xws li tawg thiab poob thaum lub sijhawm tsim kho.
Txhim kho kev nplaum: HPMC tuaj yeem txhim kho kev nplaum ntawm cov mortar thiab phab ntsa substrate, tiv thaiv cov mortar kom tsis txhob poob lossis tawg. Tshwj xeeb tshaj yog nyob rau hauv cov haujlwm plastering phab ntsa sab nraud, nws tuaj yeem tiv thaiv kev puas tsuaj ntawm cov qauv los ntawm cov yam ntxwv sab nraud xws li kev hloov pauv kub.
2.2 Daim ntawv thov rau sab nraud phab ntsa rwb thaiv tsev
Cov tshuaj nplaum rwb thaiv tsev sab nraud yog ib hom tshuaj nplaum sib xyaw, uas feem ntau yog siv rau hauv kev tsim cov txheej rwb thaiv tsev ntawm cov phab ntsa sab nraud. Daim ntawv thov ntawm HPMC hauv cov tshuaj nplaum rwb thaiv tsev phab ntsa sab nraud feem ntau yog pom tseeb hauv cov hauv qab no:
Kev nplaum zoo dua: Cov tshuaj nplaum rwb thaiv tsev sab nraud yuav tsum tau sib xyaw ua ke nrog cov laug cam rwb thaiv tsev (xws li EPS, XPS boards, pob zeb wool boards, thiab lwm yam). HPMC tuaj yeem txhim kho qhov nplaum ntawm cov tshuaj nplaum thiab cov ntaub ntawv no kom ntseeg tau tias muaj kev ruaj khov thiab ruaj khov ntawm cov txheej rwb thaiv tsev.
Txhim kho kev ua haujlwm tau zoo: Vim tias cov tshuaj pleev thaiv cua sov feem ntau muaj nyob rau hauv daim ntawv ntawm cov hmoov qhuav, HPMC tuaj yeem txhim kho nws cov kua dej nrog cov khoom siv hauv paus tom qab ntxiv dej, kom ntseeg tau tias cov tshuaj pleev tuaj yeem siv sib npaug thaum lub sijhawm tsim kho thiab tsis yooj yim poob lossis tawg.
Txhim kho kev tiv thaiv kab nrib pleb: Hauv cov haujlwm rwb thaiv tsev phab ntsa sab nraud, kev hloov pauv kub loj yuav ua rau muaj kab nrib pleb. HPMC tuaj yeem txhim kho qhov yooj ywm ntawm cov mortar, yog li txo qhov tshwm sim ntawm kab nrib pleb.
2.3 Daim ntawv thov hauv cov av nplaum tsis muaj dej
Cov tshuaj pleev dej tsis pub dej nkag feem ntau yog siv rau cov dej tsis pub dej nkag thiab cov dej noo, tshwj xeeb tshaj yog nyob rau hauv cov chaw uas muaj dej nkag xws li hauv qab nthab thiab chav dej. Kev ua tau zoo ntawm HPMC hauv cov tshuaj pleev dej tsis pub dej nkag yog raws li nram no:
Kev khaws dej kom zoo dua: HPMC tuaj yeem txhim kho kev khaws dej ntawm cov mortar, ua rau cov txheej tiv thaiv dej sib xws thiab ruaj khov dua, thiab tiv thaiv dej kom tsis txhob evaporate sai dhau, yog li ua kom muaj kev tsim thiab kev tsim kho ntawm cov txheej tiv thaiv dej.
Txhim kho kev nplaum: Hauv kev tsim cov mortar dej tsis nkag, qhov nplaum ntawm cov mortar thiab cov khoom siv hauv paus yog qhov tseem ceeb heev. HPMC tuaj yeem txhim kho qhov nplaum ntawm cov mortar thiab cov khoom siv hauv paus xws li cov pob zeb thiab masonry kom tiv thaiv cov txheej tiv thaiv dej kom tsis txhob tev tawm thiab poob tawm.
Txhim kho kev nploov pauv: Cov tshuaj nplaum uas tsis ntub dej yuav tsum muaj kev nploov pauv zoo. HPMC ua rau kev nploov pauv ntau dua thiab txhim kho kev ua haujlwm kom cov tshuaj nplaum uas tsis ntub dej tuaj yeem npog cov khoom siv hauv paus kom ntseeg tau tias muaj kev nploov pauv.
2.4 Daim ntawv thov hauv cov tshuaj mortar uas nws tus kheej leveling
Cov tshuaj mortar uas siv rau kev sib npaug hauv pem teb thiab feem ntau siv rau hauv kev tsim kho hauv pem teb, kev teeb tsa cov khoom siv hauv pem teb, thiab lwm yam. Cov ntawv thov ntawmAnxinCel®HPMCnyob rau hauv tus kheej-leveling mortars muaj xws li:
Txhim kho qhov fluidity thiab tus kheej-leveling: HPMC tuaj yeem txhim kho qhov fluidity ntawm tus kheej-leveling mortar, muab nws cov khoom zoo dua tus kheej-leveling, cia nws ntws ntuj thiab kis mus rau qhov sib npaug, zam cov npuas lossis cov chaw tsis sib xws.
Kev khaws dej kom zoo dua: Cov tshuaj nplaum uas nws tus kheej siv tau ntev heev thaum lub sijhawm tsim kho. Kev ua haujlwm khaws dej ntawm HPMC tuaj yeem ncua lub sijhawm teeb tsa thawj zaug ntawm cov tshuaj nplaum thiab zam kev nyuaj siab ntxiv vim yog qhuav ua ntej.
Txhim kho kev tiv thaiv kab nrib pleb: Cov tshuaj mortar uas nws tus kheej leveling yuav raug kev ntxhov siab thaum lub sijhawm kho. HPMC tuaj yeem ua rau kom muaj kev ywj pheej thiab kev tiv thaiv kab nrib pleb ntawm cov tshuaj mortar thiab txo qhov kev pheej hmoo ntawm kab nrib pleb hauv av.
3. Lub luag haujlwm dav dav ntawm HPMC hauv mortar
Ua ib qho khoom siv tseem ceeb hauv cov mortar, HPMC tuaj yeem txhim kho nws cov kev ua tau zoo los ntawm kev kho cov khoom siv lub cev thiab tshuaj ntawm cov mortar. Ntawm ntau hom mortars, daim ntawv thov ntawm HPMC tuaj yeem hloov kho raws li qhov xav tau tiag tiag kom ua tiav qhov zoo tshaj plaws ntawm kev tsim kho thiab kev ua tau zoo mus sij hawm ntev:
Hauv cov plastering mortar, nws feem ntau txhim kho qhov ua haujlwm tau zoo, kev khaws dej thiab kev nplaum ntawm cov mortar;
Hauv cov tshuaj nplaum rwb thaiv tsev phab ntsa sab nraud, lub zog sib txuas nrog cov khoom siv rwb thaiv tsev tau txhim kho kom zoo dua qhov tawg thiab ua haujlwm tau zoo;
Hauv cov av nplaum uas tsis ntub dej, nws ua rau kom cov dej tuav tau zoo thiab lo rau, thiab ua rau kev tsim kho zoo dua;
Hauv cov mortar uas nws tus kheej leveling, nws txhim kho qhov fluidity, dej tuav thiab tawg tsis kam kom ntseeg tau tias kev tsim kho du.
Ua ib yam khoom siv polymer ntau yam, AnxinCel®HPMC muaj kev siv dav hauv cov mortars tsim kho. Nrog rau kev txhim kho thev naus laus zis tsim kho tas mus li, cov hom thiab cov haujlwm ntawm HPMC yuav txuas ntxiv mus zoo dua, thiab nws lub luag haujlwm hauv kev txhim kho kev ua haujlwm ntawm mortar, txhim kho kev ua haujlwm ntawm kev tsim kho, thiab xyuas kom meej tias qhov zoo ntawm qhov project yuav tseem ceeb zuj zus. Yav tom ntej, kev siv HPMC hauv kev tsim kho yuav qhia txog kev sib txawv thiab ntau yam ntxiv.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-26-2024