Focus on Cellulose ethers

Sida loo isticmaalo Hydroxyethyl cellulose rinjiga cinjirka ah?

Hydroxyethyl cellulosewaxaa si weyn loogu isticmaalaa rinjiga cinjirka, rinjiga emulsion & dahaarka, sida loo isticmaalo Hydroxyethyl cellulose rinjiga cinjirka?

1. Si toos ah ugu dar midabka midabtakoorka leh

Habkani waa kan ugu fudud oo qaata waqti gaaban.Tillaabooyinka faahfaahsan waa sida soo socota:

(1) Ku dar biyo sifaysan oo ku habboon shafka kicinta-goynta sare leh (guud ahaan, ethylene glycol, wakiilka qoynta iyo wakiilka filimada ayaa lagu daray wakhtigan)

(2) Ku billow inaad ku walaaqdo xawaare hooseeya oo si tartiib ah ugu dar hydroxyethyl cellulose

(3) sii wad inaad walaaqdo ilaa dhammaan qaybaha ay qoyan yihiin

(4) Ku darida caariyaysiyaha, hagaajinta pH, iwm.

(5)Walaaq ilaa dhammaan cellulose hydroxyethylsi buuxda ayaa loo kala diraa (viskosity ee xalka ayaa si weyn u kordhay) ka hor inta aan lagu darin qaybaha kale ee qaabeynta iyo shiidi ilaa lacquer la sameeyo.

Hydroxyethyl cellulose

2. ku qalabaysan khamriga hooyada

Habkan ayaa marka hore lagu qalabeeyaa uruurin sare oo khamriga hooyada ka dibna lagu daraa rinjiga cinjirka.Faa'iidada habkani waa in uu leeyahay dabacsanaan weyn oo si toos ah loogu dari karo rinjiga la dhammeeyey, laakiin waa in si habboon loo kaydiyaa.Tallaabooyinka iyo hababku waxay la mid yihiin tillaabooyinka (1) (4) ee Habka 1, marka laga reebo in kiciyahu aan loo baahnayn inuu sarreeyo, oo kaliya kicinta oo leh awood ku filan si ay u ilaaliso fiilooyinka hydroxyethyl si siman u kala firdhisan xalka ayaa la isticmaalaa. .karaaSii wad walaaq ilaa si buuxda u milmo xal viscous ah.Waa in la ogaadaa in caaryada xakameynaya waa in lagu daro khamriga hooyada sida ugu dhakhsaha badan.

3. boorash leh

Maadaama dareeraha organic uu yahay dareere liidata ee hydroxyethyl cellulose, dareerayaashan organic waxaa loo isticmaali karaa in lagu bixiyo boorash.Walxaha ugu badan ee la isticmaalo sida ethylene glycol, propylene glycol, iyo filim hore (sida hexane ama diethylene glycol butyl acetate), biyaha barafka sidoo kale waa dareere liidata, sidaas darteed biyaha barafka waxaa badanaa la isticmaalaa dareerayaasha organic. boorash.Boorash-sida hydroxyethyl cellulose ayaa si toos ah loogu dari karaa rinjiga.Hydroxyethyl cellulose ayaa si ku filan loogu qooyay boorash.Marka lagu daro rinjiga, isla markiiba wuu milaan oo wuu dhumucayaa.Ka dib marka lagu daro, waxaa lagama maarmaan ah in si joogto ah loo walaaqo ilaa cellulose hydroxyethyl si buuxda u kala diri iyo isku mid ah.Guud ahaan, boorashka waxaa lagu qasaa qayb ka mid ah dareeraha organic ama biyaha barafka iyo qayb ka mid ah cellulose hydroxyethyl.Qiyaastii 5 ilaa 30 daqiiqo ka dib, hydroxyethyl cellulose waa la hydrolyzed oo si cajiib ah u kaca.Guud ahaan, qoyaanka biyaha ee xagaaga waa mid aad u sarreeya mana aha in loo isticmaalo boorash.

4. Ka taxadarida marka la isticmaalayo hydroxyethyl cellulose khamriga hooyada

Tan iyo markii hydroxyethyl cellulose (HEC)waa granule la daweeyay, way fududahay in la maareeyo oo lagu milmo biyaha ilaa inta arrimaha soo socda la xusayo.

(1) Kahor iyo ka dib marka lagu daro hydroxyethylcellulose, walaaqaya waa in la sii wadaa ilaa xalku si buuxda u cad yahay oo cad yahay.

(2) Waa in si tartiib ah loogu shaandheeyo haanta wax lagu qaso.Ha ku darin hydroxyethyl cellulose-ka loo sameeyay si toos ah block iyo qaab wareegsan haanta isku dhafka ah.

(3) Heerkulka biyaha iyo qiimaha pH ee biyuhu waxay xidhiidh weyn la leeyihiin milanka hydroxyethyl cellulose, waana in taxadar gaar ah la sameeyaa.

(4) Ha ku darin qaar ka mid ah walxaha alkaline isku darka ka hor inta aan la qooyn budada hydroxyethyl cellulose biyaha.Kordhinta pH ka dib marka la qooyo waxay caawisaa inay milmaan.

(5) Ku dar caaryada ka hortagga sida ugu dhakhsaha badan.

(6) Markaad isticmaalayso viscosity-ka sare ee hydroxyethyl cellulose, uruurinta khamriga hooyadu waa inaysan ka badnaan 2.5-3% (miisaan ahaan), haddii kale khamriga hooyadu way adagtahay in la xakameeyo.

Tan iyo markii hydroxyethyl cellulose (HEC)


Waqtiga boostada: Jan-03-2019
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