Ndeipi basa guru rekushandiswa kweHPMC mune putty powder

Mune putty powder, inotamba mabasa matatu ekukora, kuchengetedza mvura uye kuvaka.

Kukora: Cellulose inogona kukobvu kumisa uye kuchengeta yunifomu yemhinduro kumusoro nekudzika, uye kuramba kudonha.

Kuchengetwa kwemvura: Ita kuti putty powder iome zvishoma nezvishoma kubatsira ash calcium kuti iite pasi pekuita kwemvura.

Kuvaka: Cellulose ine lubricating effect, iyo inogona kuita kuti putty powder ive nekuvakwa kwakanaka.

Kugadzirwa kwakachengeteka kunonyanya kukosha kupfuura Gomo reTai

HPMC haitore chikamu mune chero chemakemikari maitiro, asi inongotamba yebetsero.Kuwedzera mvura kune putty powder uye kuiisa pamadziro ndeyekuita kwemakemikari, nokuti zvinhu zvitsva zvinoumbwa.Tora putty poda pamadziro kubva pamadziro, ukuye kuita upfu, uye shandisa zvakare.Izvo hazvishande nekuti zvinhu zvitsva (calcium carbonate) zvakaumbwa.Ehe.Izvo zvikamu zvikuru zveash calcium powder ndezvi: musanganiswa weCa(OH2, CaO uye zvishoma zveCaCO3, CaO+H2O=Ca(OH2-Ca(OH2+CO2==CaCO3↓+H2O) Mhedzisiro yeash calcium pa CO2 mumvura nemhepo Pasi pemamiriro ezvinhu aya, calcium carbonate inogadzirwa, nepo HPMC inongochengeta mvura uye inobatsira kuita zviri nani kweash calcium, uye haibatanidzi mune chero maitiro pachayo.

Kurasikirwa kwehupfu hweputty powder kunonyanya kuenderana nehutano hweash calcium, uye haina zvishoma neHPMC.Iyo yakaderera calcium ye grey calcium uye chiyero chisina kufanira cheCaO uye Ca (OH2 mu grey calcium ichaita kuti upfu hwakarasika. Kana iine chimwe chinhu chine chokuita neHPMC, ipapo kusvibiswa kwemvura kuchengetwa kweHPMC kunokonzerawo kurasikirwa kweupfu.


Nguva yekutumira: Kubvumbi-23-2023