Kev paub yooj yim ntawm dispersible polymer hmoov

1. Cov ntsiab lus tseem ceeb

Recispersible polymer hmoovyog lub ntsiab tseem ceeb ntxiv rau cov hmoov qhuav npaj-sib xyaw ua ke xws li cement-based lossis gypsum-raws li.

Redispersible looj cov hmoov yog cov tshuaj polulsion uas tau txau-qhuav thiab sib xyaw los ntawm thawj zaug ntawm 80 ~ 120um. Vim hais tias cov chaw ntawm cov hais yog coated nrog ib tug inorganic, nyuaj-resistant hmoov, peb tau txais cov hmoov polymer qhuav. Lawv yooj yim heev rau ncuav thiab hnab rau cia hauv cov chaw ua lag luam. Thaum cov hmoov yog sib xyaw nrog dej, cement lossis gypsum-raws li cov kab sib xyaw, thiab nws yog hu ua redispersible looj hmoov.

Nws muaj qhov zoo redispersibility, rov tua dua rau kev emulsion ntawm kev sib cuag nrog dej, thiab muaj cov khoom siv tib yam li emulsion thawj. Los ntawm kev ntxiv cov neeg dispersible polymer rau cov cement-based lossis gypsum-based qhuav npaj-mix ntawm cug tshuaj yuav raug txhim kho, xws li:

Txhim kho cov nplaum thiab cohesion ntawm cug;

Txo cov dej nqus ntawm cov khoom siv thiab cov modulity elastic modulus ntawm cov khoom;

FLEXURAL lub zog, cuam tshuam kuj, tshem tawm tsis kam thiab lub peev xwm ntawm cov khoom siv lub zog;

Txhim kho kev tsim kho cov ntaub ntawv, thiab lwm yam.

2. Hom ntawm dispersible polymer hmoov

Tam sim no, cov ntawv thov tseem ceeb hauv kev ua lag luam tuaj yeem faib ua Disperse Laslesx:

Vinyl acetate thiab ethylene copolymer roj hmab hmoov (VL / E), Ethylene thiab VinYRATE PAPOLYID Vinyl Ester Terpolymerization roj hmab hmoov (VEJ / E / Vinyl acetate thiab ntau dua fatty acid vinyl ester roj hmab hmoov (A / s), Vinyl acetate Roj Hmab Hniav Roj Hmab Yas (VAC / A / Veova), yas acetat Homopolymer roj hmab hmoov (pvac), styrene thiab butadiene copolymer roj hmab hmoov (sbr), thiab lwm yam.

3. Qhov sib xyaw ntawm cov dispersible polymer hmoov

Cov hmoov nplej tawg polymer feem ntau yog cov hmoov dawb, tab sis ob peb muaj lwm cov xim. Nws cov khoom xyaw suav nrog:

Polymer Resin: Nws nyob hauv qhov tseem ceeb ntawm cov roj hmab hmoov cov khoom, thiab nws tseem yog qhov tseem ceeb ntawm cov liab uas muaj cov hmoov nplej polymer.

Additive (sab hauv) ua ke nrog cov cob, nws plays lub luag haujlwm ntawm kev hloov kho lub resin.

Ntxiv (sab nraud): cov ntaub ntawv ntxiv ntxiv rau txuas ntxiv nthuav cov kev ua tau zoo ntawm cov neeg uas tsis tuaj yeem ua rau cov hmoov nplej zom cov hmoov.

Kev Tiv Thaiv Kev Tiv Thaiv: ib txheej ntawm hydrophricic cov khoom qhwv ntawm cov npoo ntawm recispersible looj roj av feem ntau yog polyvinyl cawv.

Anti-Caking Tus Neeg Sawv Cev: Cov khoom siv hauv cov khoom siv hauv cov roj hmab, tsuas yog siv los tiv thaiv cov roj hmab hmoov thaum lub sijhawm ua kom tau cov roj hmab hmoov (pov tseg los ntawm cov hnab ntim lossis cov hnab ntim roj av).

4. Lub luag haujlwm ntawm dispersible polymer hmoov nyob rau hauv cug

Redispersible looj cov hmoov tawg tau faib rau hauv zaj duab xis thiab ua raws li qhov kev txhawb nqa tus neeg sawv cev ua ntej thib ob;

Cov tiv thaiv kev tiv thaiv yog nqus los ntawm cov tshuaj khib nyiab (nws yuav tsis raug pov tseg los ntawm dej tom qab zaj duab xis tsim, lossis "kev faib tawm theem";

Cov yeeb yaj kiab ua yeeb yaj kiab Polymer Resin tau faib thoob plaws lub culture system ua cov khoom siv ntxiv, yog li nce cov cohesion ntawm lub cug.

5. Lub luag haujlwm ntawm dispersible polymer hmoov nyob rau hauv ntub cug:

Txhim kho kev tsim kho;

Txhim kho cov khoom txaus ntshai;

Nce thixotropy thiab sag tiv taus;

Txhim kho cohesion;