Focus on Cellulose ethers

Pobzeb nplaum yog dab tsi?

Pobzeb nplaum yog dab tsi?

Pobzeb nplaum (tseem hu ua pobzeb daim ntawv cog lus, ceramic pobzeb nplaum, pobzeb grout, viscose av nplaum, cov av nplaum zoo, thiab lwm yam), muaj cov khoom siv hydraulic cementitious (cement), ntxhia aggregates (quartz xuab zeb), organic admixtures ( roj hmab hmoov, thiab lwm yam. ), uas yuav tsum tau tov nrog dej los yog lwm yam kua hauv ib qho kev faib ua feem thaum siv. Nws yog tsuas yog siv los muab cov ntaub ntawv zoo nkauj xws li cov vuas luaj ceramic, cov vuas pem teb, thiab cov vuas hauv pem teb, thiab yog siv dav hauv cov chaw kho kom zoo nkauj xws li phab ntsa sab hauv thiab sab nrauv, hauv pem teb, chav dej, thiab chav ua noj. dej tsis kam, khov-thaw kuj, zoo aging kuj thiab yooj yim siv. Nws yog cov khoom siv sib txuas zoo tshaj plaws. Nws hloov cov tsoos cement daj xuab zeb, thiab nws lub zog nplaum yog ob peb zaug ntawm cov cement mortar. Nws tuaj yeem muab cov nplais loj thiab pob zeb zoo, tsis txhob muaj kev pheej hmoo ntawm cib poob; nws zoo saj zawg zog tiv thaiv hollowing nyob rau hauv ntau lawm.

 

Kev faib tawm

Pobzeb nplaum yog cov khoom siv tshiab rau kev kho kom zoo nkauj niaj hnub, hloov cov tsoos cement daj xuab zeb. Lub zog nplaum ntawm cov kua nplaum yog ob peb zaug ntawm cov cement mortar, uas tuaj yeem muab cov vuas loj thiab pob zeb zoo, tsis txhob muaj kev pheej hmoo ntawm cib poob. Zoo yooj yooj yim los tiv thaiv hollowing hauv ntau lawm. Cov nplaum nplaum niaj hnub yog cov khoom siv polymer hloov cov cement-raws li pobzeb nplaum, uas tuaj yeem muab faib ua hom zoo tib yam, hom muaj zog thiab super hom (cov vuas loj lossis marble) thiab lwm yam.

Ordinary pobzeb nplaum

Nws yog tsim rau pasting ntau yam av cib los yog cov phab ntsa me me rau ntawm qhov chaw mortar;

Muaj zog pobzeb nplaum

Nws muaj kev sib raug zoo zog thiab kev tiv thaiv kev ua haujlwm, thiab yog qhov tsim nyog rau pasting phab ntsa vuas thiab tsis-mortar nto xws li ntoo panels los yog cov hniav qub uas yuav tsum tau muaj zog sib txuas;

super muaj zog pobzeb nplaum

Kev sib txuas lus muaj zog, kev ua kom yooj yim dua, tuaj yeem tiv taus qhov kev ntxhov siab los ntawm thermal expansion thiab contraction ntawm cov nplaum txheej, haum rau pasting vuas ntawm gypsum board, fiberboard, plywood los yog qub tiav (vuas, mosaics, terrazzo), thiab lwm yam. thiab loj Pasting ntawm pob zeb slabs ntawm ntau qhov ntau thiab tsawg. Ntxiv nrog rau grey, pobzeb nplaum kuj muaj nrog cov tsos dawb rau daj ntseg lossis cov pob zeb zoo nkauj, cov vuas ceramic thiab lwm yam pob zeb ntuj.

Cov khoom xyaw

1) Cement: suav nrog Portland cement, aluminate cement, sulphoaluminate cement, hlau-aluminate cement, thiab lwm yam. Cement yog ib qho khoom siv inorganic gelling uas tsim muaj zog tom qab hydration.

2) Kev sib sau ua ke: suav nrog cov xuab zeb ntuj, cov xuab zeb dag, ya tshauv, slag hmoov, thiab lwm yam. Cov aggregate plays lub luag haujlwm ntawm kev sau, thiab cov qib siab zoo tuaj yeem txo qhov tawg ntawm cov tshuaj khib nyiab.

 

3) Redispersible latex hmoov: suav nrog vinyl acetate, EVA, VeoVa, styrene-acrylic acid terpolymer, thiab lwm yam. Roj hmab hmoov tuaj yeem txhim kho qhov adhesion, saj zawg zog thiab kav ntev ntawm cov nplais nplaum thaum siv.

4) Cellulose ether: suav nrog CMC, HEC, HPMC, HEMC, EC, thiab lwm yam Cellulose ether plays lub luag haujlwm ntawm kev sib txuas thiab thickening, thiab tuaj yeem kho cov khoom rheological ntawm cov tshuaj khib nyiab tshiab.

 

5) Lignocellulose: Nws yog tsim los ntawm ntuj ntoo, zaub fiber ntau, zaub fiber ntau, thiab lwm yam los ntawm kev kho tshuaj, kev rho tawm, ua thiab sib tsoo. Nws muaj cov khoom xws li tawg tsis kam thiab txhim kho kev ua haujlwm.

 

Lwm tus kuj suav nrog cov khoom siv sib txawv xws li dej txo tus neeg sawv cev, tus neeg sawv cev thixotropic, tus neeg saib xyuas lub zog thaum ntxov, tus neeg sawv cev nthuav dav, thiab tus neeg saib xyuas dej tsis zoo.

 

Reference daim ntawv qhia 1

 

1、 Ordinary pobzeb nplaum nplaum

raw khoom koob
Cement PO 42.5 330
xuab zeb (30-50 mesh) 651 ib
Xuab zeb (70-140 mesh) 39
Hydroxypropyl Methyl Cellulose (HPMC) 4
Redispersible latex hmoov 10
calcium formate 5
tag nrho 1000
   

 

2, High Adhesion Pobzeb Adhesive Formula

raw khoom koob
cement 350
xuab zeb 625
Hydroxypropylmethylcellulose 2.5
calcium formate 3
polyvinyl cawv 1.5
SBR hmoov 18
tag nrho 1000

Reference formula 2

  ntau yam raw khoom Reference formula ① Daim ntawv qhia siv ② Reference formula③
 

tag nrho

Portland cement 400-450 KG 450 400-450
Xuab zeb (quartz xuab zeb los yog xuab zeb ntxuav)

(fineness: 40-80 mesh)

paj ntaub 400 paj ntaub
hnyav calcium hmoov   120 50
Ash calcium hmoov   30  
         
tshuaj ntxiv Hydroxypropyl Methyl Cellulose

HPMC-100000

3-5 KG 2.5 ~ 5 2.5 ~ 4
Redispersible latex hmoov 2-3 KG 3 ~ 5 2 ~ 5
Polyvinyl cawv hmoov

PVA-2488 (120 mesh)

3-5 KG 3 ~ 8 3 ~ 5
Starch ether 0.2 0.2 ~ 0.5 hli 0.2 ~ 0.5 hli
  Polypropylene staple fiber ntau PP-6 1 1 1
  ntoo fiber (grey)     1 ~ 2
ua piv txwv ①. Txhawm rau txhim kho lub zog thaum ntxov ntawm cov khoom, qhov tsim nyog tus nqi ntawm polyvinyl cawv hmoov yog tshwj xeeb ntxiv los hloov ib feem ntawm redispersible latex hmoov nyob rau hauv cov mis mos (tshwj xeeb tshaj yog xav txog cov txiaj ntsig zoo thiab tus nqi).

②. Koj tuaj yeem ntxiv 3 mus rau 5 kg ntawm calcium formate ua tus neeg sawv cev muaj zog thaum ntxov kom cov pobzeb nplaum txhim kho nws lub zog sai dua.

 

Lus Cim:

1. Nws raug pom zoo kom siv cov khoom zoo 42.5R zoo tib yam silicon cement (yog tias koj yuav tsum tawm tsam tus nqi, koj tuaj yeem xaiv cov khoom zoo 325# cement).

2. Nws raug nquahu kom siv quartz xuab zeb (vim nws cov impurities tsawg dua thiab lub zog siab; yog tias koj xav txo cov nqi, koj tuaj yeem xaiv cov xuab zeb ntxuav huv).

3. Yog tias cov khoom siv los ua cov pob zeb, cov vuas loj loj, thiab lwm yam, nws raug pom zoo kom ntxiv 1.5 ~ 2 kg ntawm hmoov txhuv nplej siab ether los tiv thaiv zawv zawg! Nyob rau tib lub sijhawm, nws yog qhov zoo tshaj plaws los siv cov qib siab zoo 425-qib cement thiab nce cov cement ntxiv los txhim kho lub zog cohesive ntawm cov khoom!

Nta

Kev sib koom ua ke siab, tsis tas yuav ntub cov cib thiab cov phab ntsa ntub dej thaum tsim kho, kev ua haujlwm zoo, tsis muaj dej, tsis muaj zog, tawg ua haujlwm, kev laus ua haujlwm zoo, kub tsis kam, khov-thaw kuj, tsis muaj tshuaj lom thiab ib puag ncig zoo, thiab kev tsim kho yooj yim.

Scope ntawm daim ntawv thov

Nws yog haum rau muab tshuaj txhuam ntawm sab hauv tsev thiab sab nraum zoov ceramic phab ntsa thiab pem teb vuas thiab ceramic mosaics, thiab nws kuj yog tsim rau cov waterproof txheej ntawm sab hauv thiab sab nrauv phab ntsa, pas dej ua ke, chav ua noj thiab chav dej, hauv qab daus, thiab lwm yam ntawm ntau lub tsev. Nws yog siv rau pasting ceramic vuas ntawm cov txheej txheem tiv thaiv sab nraud thermal rwb thaiv tsev. Nws yuav tsum tau tos rau cov khoom siv ntawm cov txheej txheem tiv thaiv kom kho tau rau qee lub zog. Lub hauv paus saum npoo yuav tsum qhuav, ruaj, tiaj tus, tsis muaj roj, plua plav, thiab tso tawm cov neeg ua haujlwm.

 

Txoj kev tsim kho

 

kho saum npoo

Txhua qhov chaw yuav tsum yog khoom, qhuav, huv si, tsis muaj co, roj, siv quav ciab thiab lwm yam khoom xoob;

Cov xim pleev xim yuav tsum tau roughened kom nthuav tawm tsawg kawg 75% ntawm qhov qub nto;

Tom qab cov pob zeb tshiab ua tiav, nws yuav tsum tau kho rau 6 lub lis piam ua ntej tso cib, thiab qhov tshiab plastered nto yuav tsum tau kho tsawg kawg yog xya hnub ua ntej tso cib;

Cov pob zeb qub thiab plastered nto tuaj yeem ntxuav nrog xab npum thiab yaug nrog dej. Qhov saum npoo tuaj yeem ua pobzeb tom qab nws qhuav;

Yog hais tias lub substrate yog xoob, heev dej-absorbent los yog floating plua plav thiab av nyob rau saum npoo yog nyuaj los ntxuav, koj muaj peev xwm xub siv Lebangshi primer los pab cov vuas daim ntawv cog lus.

Do kom sib tov

Muab cov hmoov nplej tso rau hauv dej huv thiab do rau hauv ib qho muab tshuaj txhuam, ua tib zoo ntxiv cov dej ua ntej thiab tom qab ntawd cov hmoov nplej. Los ntawm txhais tes los yog hluav taws xob mixers yuav siv tau rau stirring;

Qhov sib tov sib xyaw yog 25 kg ntawm hmoov thiab txog 6 ~ 6.5 kg dej; Yog tias tsim nyog, nws tuaj yeem hloov tau los ntawm peb lub tuam txhab Leibang Shi pobzeb additiveClear dej, qhov sib piv yog hais txog 25 kg ntawm hmoov ntxiv rau 6.5-7.5 kg ntawm additives;

stirring yuav tsum tau txaus, raug rau lub fact tias tsis muaj raw mov paj. Tom qab stirring tas, nws yuav tsum tau nyob twj ywm rau li kaum feeb thiab ces stirred ib pliag ua ntej siv;

Cov kua nplaum yuav tsum tau siv li ntawm 2 teev raws li cov huab cua puag (cov kua nplaum ntawm cov kua nplaum yuav tsum tau muab tshem tawm thiab tsis siv). Tsis txhob ntxiv dej rau cov kua nplaum qhuav ua ntej siv.

 

kev tsim kho tshuab

Siv cov kua nplaum rau ntawm qhov chaw ua haujlwm nrog cov hniav txhuam hniav kom nws sib npaug sib npaug thiab tsim ib txoj hlua ntawm cov hniav (kho lub kaum sab xis ntawm lub scraper thiab qhov chaw ua haujlwm kom tswj cov tuab ntawm cov kua nplaum). Siv li ntawm 1 square meter txhua lub sijhawm (nyob ntawm huab cua kub, qhov yuav tsum tau ua qhov kub thiab txias yog 5 ~ 40 ° C), thiab tom qab ntawd knead thiab nias cov vuas ntawm cov vuas hauv 5 ~ 15 feeb (kho yuav siv sij hawm 20 ~ 25 feeb) Yog hais tias qhov loj ntawm cov hniav scraper raug xaiv, qhov flatness ntawm qhov chaw ua hauj lwm thiab cov degree ntawm convexity nyob rau sab nraum qab ntawm cov pobzeb yuav tsum tau txiav txim siab; Yog tias qhov zawj ntawm lub nraub qaum ntawm cov pobzeb yog qhov sib sib zog nqus los yog lub pob zeb lossis cov nplais loj dua thiab hnyav dua, cov kua nplaum yuav tsum tau siv rau ob sab, uas yog, Siv cov kua nplaum rau ntawm qhov chaw ua haujlwm thiab sab nraub qaum ntawm cov pobzeb tib lub sijhawm; ua tib zoo khaws cov pob qij txha expansion; Tom qab lub cib tso ua tiav, cov kauj ruam tom ntej ntawm kev sib koom ua ke tuaj yeem ua tau tsuas yog tom qab cov kua nplaum qhuav tag (li 24 teev); Ua ntej nws qhuav, siv Ntxuav cov nplais saum npoo (thiab cov cuab yeej) nrog ib daim ntaub ntub dej los yog daim txhuam cev. Yog tias nws kho tau ntev dua 24 teev, cov stains ntawm cov vuas luaj tuaj yeem raug ntxuav nrog cov pobzeb thiab pob zeb ntxuav (tsis txhob siv cov kua qaub ntxuav).

Cov kev ceev faj

  1. Lub verticality thiab flatness ntawm substrate yuav tsum tau lees paub ua ntej thov.

2. Tsis txhob muab cov kua nplaum qhuav nrog dej ua ntej rov siv dua.

3. Ua tib zoo ua kom cov pob qij txha nthuav dav.

4. 24 teev tom qab paving tiav, koj tuaj yeem nkag mus rau hauv lossis sau cov pob qij txha.

5. Cov khoom tsim nyog siv rau hauv ib puag ncig ntawm 5 ° C ~ 40 ° C.

 

 

lwm yam

1. Qhov kev pab them nqi sib txawv raws li qhov tshwj xeeb ntawm qhov project.

2. Cov khoom ntim: 20kg / hnab.

3. Cov khoom cia: Khaws rau hauv qhov chaw txias thiab qhuav.

4. Lub neej txee: Cov khoom tsis tau qhib tuaj yeem khaws cia rau ib xyoos.

 

Kev tsim cov pobzeb nplaum:

Cov txheej txheem ntawm cov pobzeb nplaum tuaj yeem muab faib ua tsib ntu: xam qhov feem ntawm cov khoom xyaw, hnyav, pub mis, sib tov, thiab ntim.

Kev xaiv cov khoom siv rau cov nplais nplaum:

Cov nplaum nplaum muaj quartz xuab zeb lossis dej xuab zeb, uas yuav tsum tau siv cov khoom siv siab. Yog hais tias qhov kev tso tawm ntawm cov khoom sib xyaw ua ke feem ntau ua rau cov khoom tawg, txhaws, thiab cov hmoov av, nws raug nquahu kom siv cov pobzeb nplaum nplaum tshwj xeeb.


Post lub sij hawm: Jan-18-2023
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