Habka loo isticmaalo hydroxyethyl cellulose ee rinjiga latex
1. Cellulose-ka HydroxyethylBoorash sida phenology: sababtoo ah hydroxyethyl cellulose si fudud looguma milmo dareere dabiici ah, qaar ka mid ah dareere dabiici ah ayaa loo isticmaali karaa in lagu qalabeeyo boorashka. Biyaha barafka sidoo kale waa dareere xun, sidaa darteed waxaa badanaa loo isticmaalaa boorashka dareere dabiici ah. hydroxyethyl cellulose ee qaabka congee waxaa si toos ah loogu dari karaa rinjiga emulsii. Hydroxyethyl cellulose waxaa lagu buuxiyay qaab boorash ah. Marka lagu daro rinjiga, si dhakhso ah ayuu u milmaa oo u dhumuc weynaadaa. Sii wad walaaqidda ilaa hydroxyethyl cellulose uu si buuxda u kala firdho oo uu u milmo. Boorash caadi ah waxaa lagu sameeyaa iyadoo lagu qaso lix qaybood oo dareere dabiici ah ama biyo baraf ah hal qayb oo ka mid ah hydroxyethyl cellulose. Ka dib qiyaastii 5-30 daqiiqo, hydroxyethyl cellulose wuu milmaa oo si muuqata ayuu u kacaa. (Waxaa la soo jeedinayaa in qoyaanka biyaha xagaaga uu aad u sarreeyo oo aan loo isticmaali karin boorashka.)
2. Ku dar hydroxyethyl cellulose si toos ah midabka shiidi: habkani waa mid fudud waqtiguna waa gaaban yahay. Hababka faahfaahsan waa sidan soo socota:
(1) Ku dar biyo saafi ah oo ku habboon VAT-ga kicinta sare (guud ahaan, waxyaabaha lagu daro sameynta filimada iyo walxaha qoynta ayaa lagu daraa waqtigan)
(2) Bilow inaad ku walaaqdo xawaare hoose adigoon joojin oo si tartiib ah ugu dar hydroxyethyl cellulose si siman
(3) Sii wad walaaq ilaa dhammaan walxaha si siman loo kala firdhiyo oo la qooyo
(4) Ku dar daawada caariyaysiga oo hagaaji qiimaha PH
(5) Walaaq ilaa dhammaan hydroxyethyl cellulose ay gebi ahaanba milmaan (dhegxaanta xalka ayaa si weyn u kordheysa), ka dibna ku dar qaybo kale qaacidada, oo shiidi ilaa ay noqoto rinji.
3 hydroxyethyl cellulose oo leh dareeraha hooyada oo sugaya: habkan marka hore waxaa lagu qalabeeyaa dareere sare oo hooyada ah, ka dibna waxaa lagu daraa rinjiga latex, faa'iidada habkani waa mid aad u dabacsan, si toos ah ayuu ugu dari karaa alaabada rinjiga dhammeeyay, laakiin kaydinta ku habboon. Tallaabooyinka iyo hababka waxay la mid yihiin tallaabooyinka (1) - (4) ee Habka 2, marka laga reebo in aan loo baahnayn kicin sare oo kaliya oo leh awood ku filan oo ay ku hayaan fiilooyinka hydroxyethyl si siman ugu kala firdhisan xalka ayaa la isticmaalaa. Sii wad walaaqidda ilaa ay si buuxda u milmaan una noqoto xal qaro weyn. Ogsoonow: wakiilka ka hortagga caariyaysiga waa in lagu daraa sida ugu dhakhsaha badan khamriga rinjiga hooyada.
4 Arrimood oo u baahan fiiro gaar ah marka la qalabeynayo khamriga hydroxyethyl cellulose
Maadaama hydroxyethyl cellulose ay tahay budo granular ah oo la daweeyay, way fududahay in la maareeyo oo lagu milmo biyaha iyadoo la raacayo taxaddarrada soo socda.
(1) Kahor iyo ka dib marka lagu daro hydroxyethyl cellulose, waa in la walaaqo, ilaa xalka uu noqdo mid gebi ahaanba hufan oo cad.
(2) Waa lagama maarmaan in si tartiib ah loogu shaandheeyo hydroxyethyl cellulose-ka haanta walaaqda. Ha ku darin tiro badan ama si toos ah haanta walaaqda.
(3) Milmida hydroxyethyl cellulose waxay si cad ula xiriirtaa heerkulka biyaha iyo qiimaha pH ee biyaha, sidaa darteed waa in fiiro gaar ah loo yeesho.
(4) Ha ku darin walxo aasaasi ah isku darka ka hor inta aan budada hydroxyethyl cellulose lagu qooyin biyo. Kor u qaadista pH-ga ka dib marka la qooyo waxay kaa caawineysaa milmida.
(5) Inta ugu macquulsan, ku darista hore ee daawada ka hortagga caariyaysiga.
(6) Marka la isticmaalayo hydroxyethyl cellulose oo leh viscosity sare, heerka khamriga hooyada waa inaanu ka badnayn 2.5-3% (miisaan ahaan), haddii kale khamriga hooyada way adag tahay in la shaqeeyo.
Arrimaha saameeya daxalka rinjiga latex:
(1) Sababo la xiriira walaaqidda xad-dhaafka ah iyo qoyaan xad-dhaaf ah marka la kala firdhiyo.
(2) xaddiga dhumuc-dhejiyeyaasha kale ee dabiiciga ah ee ku jira qaacidada rinjiga iyo saamiga xaddiga lehcellulose hydroxyethyl.)
(3) xaddiga firfircoonida dusha sare iyo biyaha ku jira qaacidada rinjiga waa isku mid.
(4 ee ku jira sameynta latex, hadhaaga oksaydhka kataliyaha ee tirada.
Nabaad-guurka microbial ee dhumuc-dhegaha.
6-da habka loo samaynayo rinjiga, habka loo raacayo tallaabooyinka lagu darayo dhumuc-dhererka ayaa ku habboon.
Xumbo badan oo hawo ah oo ku haray rinjiga, ayaa dheellitirka sare u kacaya
Waqtiga boostada: Abriil-25-2024