Daim ntawv thov dav ntawm Hydroxypropyl Methyl Cellulose

Hydroxypropyl methyl cellulose, hu ua (HPMC): hydroxypropyl methyl cellulose (HPMC) yog cov hmoov tsis muaj ntxhiab, tsis qab, tsis muaj tshuaj lom, muaj ob hom instant thiab tsis yog tam sim, instant, thaum ntsib nrog dej txias, nws sai sai. disperses thiab ploj mus rau hauv dej. Lub sijhawm no, cov kua tsis muaj viscosity. Tom qab li 2 feeb, lub viscosity ntawm cov kua nce, tsim ib pob tshab viscous colloid. Hom tsis yog tam sim no: Nws tsuas yog siv tau rau hauv cov hmoov qhuav qhuav xws li cov hmoov putty thiab cement mortar. Nws tsis tuaj yeem siv rau hauv cov kua nplaum thiab pleev xim, thiab yuav muaj clumping.

A. Lub cev thiab tshuaj muaj zog

1. Cov tsos mob: Cov hmoov dawb los yog dawb dawb, tsis muaj ntxhiab thiab tsis qab.

2. Particle loj: tus nqi dhau ntawm 100 mesh yog ntau dua 98.5%; qhov pass tus nqi ntawm 80 mesh yog ntau tshaj 100%.

3. Carbonization kub: 280-300 ° C.

4. Pom tseeb qhov ntom: 0.25-0.70g / (feem ntau nyob ib ncig ntawm 0.5g /), tshwj xeeb lub ntiajteb txawj nqus 1.26-1.31.

5. Discoloration kub: 190-200 ° C.

6. Nto nro: 20% aqueous tov yog 42-56dyn / cm.

7. Solubility: Soluble hauv dej thiab qee cov kuab tshuaj organic, xws li ethanol / dej, propanol / dej, dichloroethane, thiab lwm yam. Cov tshuaj aqueous muaj cov dej num saum npoo av, siab pob tshab thiab kev ua haujlwm ruaj khov. Cov khoom siv sib txawv muaj qhov sib txawv gelation kub, uas yog cov khoom siv thermal gelation ntawm HPMC. Solubility sib txawv nrog viscosity, qhov qis dua qhov viscosity, ntau dua qhov solubility, qhov sib txawv ntawm HPMC muaj qee qhov sib txawv ntawm kev ua haujlwm, thiab kev sib cais ntawm HPMC hauv dej tsis cuam tshuam los ntawm tus nqi pH.

8. Nrog rau qhov txo qis ntawm methoxy cov ntsiab lus, cov gel point ntawm HPMC nce, cov dej solubility txo, thiab cov dej ua haujlwm kuj txo.

9. HPMC kuj muaj cov yam ntxwv ntawm thickening muaj peev xwm, ntsev tawm, cov hmoov tshauv tsawg, pH stability, dej tuav, seem stability, zoo heev zaj duab xis-tsim khoom, ntau yam enzyme kuj, dispersibility thiab cohesiveness.

Hydroxypropyl methylcellulose muaj nuj nqi:

• Nws tuaj yeem ua kom cov mortar tshiab sib xyaw kom nws muaj cov viscosity ntub dej thiab tiv thaiv kev sib cais. (thickening)

• Kev tuav dej kuj yog tus yam ntxwv tseem ceeb tshaj plaws, uas yuav pab tswj cov dej dawb hauv cov mortar, kom cov khoom siv cementitious muaj sij hawm ntau rau hydrate tom qab siv mortar. (kev ruaj ntseg dej)

• Nws muaj cov cuab yeej cua nkag, uas tuaj yeem ua kom pom cov pa npuas zoo thiab zoo los txhim kho kev ua haujlwm ntawm mortar.

B. Qhov zoo ntawm hydroxypropyl methylcellulose hauv cov khoom siv hauv tsev

kev ua haujlwm:

1. Nws yog ib qho yooj yim los sib tov nrog cov hmoov qhuav qhuav.

2. Nws muaj cov yam ntxwv ntawm cov dej txias dispersion.

3. Ncua cov khoom siv tau zoo, ua kom sib tov smoother thiab zoo ib yam.

sib tov:

1. Cov mis qhuav qhuav uas muaj cellulose ether tuaj yeem sib xyaw nrog dej yooj yim.

2. Ceev ceev kom tau raws li qhov xav tau.

3. Kev tawg ntawm cellulose ether yog sai dua thiab tsis muaj pob.

kev tsim kho:

1. Txhim kho lubricity thiab plasticity los txhim kho machinability thiab ua cov khoom tsim kom yooj yim dua thiab sai dua.

2. Txhim kho cov yam ntxwv tuav dej thiab ua kom lub sijhawm ua haujlwm ntev.

3. Pab tiv thaiv qhov ntws ntsug ntawm mortar, mortar thiab vuas. Txuas lub sijhawm txias thiab txhim kho kev ua haujlwm.

4. Txhim kho lub zog sib txuas ntawm cov nplais nplaum.

5. Txhim khu kev tiv thaiv kev sib tsoo thiab kev tiv thaiv kev tawg ntawm cov tshuaj khib thiab board sib koom ua ke.

6. Txhim kho cov ntsiab lus ntawm huab cua hauv mortar, zoo heev txo qhov muaj peev xwm ntawm cov kab nrib pleb.

7. Nws tuaj yeem txhim kho qhov ntws ntsug ntawm cov nplais nplaum.

8. Siv nrog Max starch ether, cov nyhuv zoo dua!

C. Kev thov ntawm hydroxypropyl methylcellulose hauv kev tsim kho

Water-resistant putty rau sab hauv thiab sab nrauv phab ntsa:

1. Cov dej tuav tau zoo, uas tuaj yeem ua kom ntev lub sijhawm tsim kho thiab txhim kho kev ua haujlwm. Lubricity siab ua rau kev tsim kho yooj yim dua thiab smoother. Muab qhov zoo thiab kev ntxhib los mos rau smoother putty nto.

2. High viscosity, feem ntau 100,000 mus rau 150,000 sticks, ua rau lub putty ntau nplaum rau ntawm phab ntsa.

3. Txhim kho shrinkage kuj thiab tawg tsis kam, txhim kho nto zoo.

Kev siv ntau npaum: 0.3 ~ 0.4% rau phab ntsa sab hauv; 0.4 ~ 0.5% rau sab nrauv phab ntsa;

Sab nrauv phab ntsa rwb thaiv tsev mortar

1. Txhim kho qhov adhesion nrog cov phab ntsa saum npoo, thiab txhim kho cov dej tuav, kom lub zog ntawm cov mortar tuaj yeem txhim kho.

2. Txhim kho lubricity thiab plasticity los txhim kho kev tsim kho. Nws tuaj yeem siv ua ke nrog Shenglu hom hmoov txhuv nplej siab ether los ntxiv dag zog rau lub mortar, uas yooj yim rau kev tsim, txuag lub sijhawm thiab txhim kho cov nqi-zoo.

3. Tswj lub infiltration ntawm huab cua, yog li tshem tawm cov micro-cracks ntawm txheej thiab tsim ib tug zoo tagnrho du nto.

Gypsum plaster thiab plaster cov khoom

1. Txhim kho qhov sib xws, ua kom cov plastering muab tshuaj yooj yim dua rau kev sib kis, thiab txhim kho lub peev xwm los tiv thaiv sagging los txhim kho fluidity thiab pumpability. Li no txhim kho kev ua haujlwm zoo.

2. Kev tuav dej siab, ua kom lub sijhawm ua haujlwm ntawm mortar, thiab ua kom muaj zog txhua yam thaum muaj zog.

3. Los ntawm kev tswj qhov sib xws ntawm cov mortar los ua cov txheej txheem zoo.

Cement-based plasters thiab masonry mortars

1. Txhim kho qhov sib xws, ua kom yooj yim rau cov txheej txheem thermal rwb thaiv tsev mortar, thiab txhim kho lub peev xwm los tiv thaiv sagging tib lub sijhawm.

2. Kev tuav dej siab, ua kom ntev lub sijhawm ua haujlwm ntawm mortar, txhim kho kev ua haujlwm zoo, thiab pab cov mortar los ua cov khoom siv dag zog siab thaum lub sijhawm teeb tsa.

3. Nrog kev tuav dej tshwj xeeb, nws yog qhov tsim nyog rau cov dej nqus dej siab dua.

Vaj huam sib luag muab tub lim

1. Cov dej tuav tau zoo, uas tuaj yeem ua kom lub sijhawm txias thiab txhim kho kev ua haujlwm. Lubricity siab ua rau kev tsim kho yooj yim dua thiab smoother.

2. Txhim kho shrinkage kuj thiab tawg tsis kam, txhim kho nto zoo.

3. Muab ib qho kev ntxhib los mos thiab zoo sib xws, thiab ua rau cov khoom sib txuas ua kom muaj zog.

daim nplaum nplaum

1. Ua kom cov khoom xyaw qhuav qhuav yooj yim sib tov tsis muaj pob, yog li txuag lub sijhawm ua haujlwm. Thiab ua rau kev tsim kho sai thiab ua haujlwm zoo, uas tuaj yeem txhim kho kev ua haujlwm thiab txo tus nqi.

2. Los ntawm kev ua kom lub sijhawm txias, qhov ua tau zoo ntawm cov nplais yog txhim kho.

3. Muab cov nyhuv adhesion zoo, nrog kev ua haujlwm siab skid.

self-leveling pem teb khoom

1. Muab viscosity thiab siv tau los tiv thaiv sedimentation pab.

2. Txhim khu fluidity thiab pumpability, yog li txhim kho cov efficiency ntawm paving hauv av.

3. Tswj dej tuav, yog li no zoo heev txo kev tawg thiab shrinkage.

Dej-raws li xim thiab xim Removers

1. Ntev lub neej txee los ntawm kev tiv thaiv cov khib nyiab los ntawm kev daws teeb meem. Zoo heev compatibility nrog rau lwm yam Cheebtsam thiab siab biological stability.

2. Nws yaj sai sai yam tsis muaj lumps, uas yuav pab ua kom yooj yim rau kev sib tov.

3. Ua kom zoo fluidity, nrog rau tsawg splashing thiab zoo leveling, uas muaj peev xwm ua kom tiav nto zoo heev thiab tiv thaiv cov xim ntsug ntws.

4. Txhim kho cov viscosity ntawm cov dej-raws li cov xim tshem tawm thiab cov organic hnyav xim tshem tawm, kom cov xim tshem tawm yuav tsis ntws tawm ntawm qhov chaw ua haujlwm.

extruded qhob slab

1. Txhim khu lub machinability ntawm cov khoom extruded, nrog siab sib txuas lub zog thiab lubricity.

2. Txhim kho lub zog ntub dej thiab adhesion ntawm daim ntawv tom qab extrusion.