Hydroxyethyl cellulose (hec) ndi mankhwala ofunikira, omwe nthawi zambiri amagwiritsidwa ntchito pakompyuta ya utoto ngati thickitaner, wokhazikika komanso Rheolobir Moniisier. Zimatha kukonza madzi ndi kukhazikika kwa utoto ndikuwonjezera katundu wake wopanga mafilimu.
1. Katundu ndi ntchito za hydroxyethyl cellulose
1.1 Zoyambira
Hydroxyethyl cellulose ndi polymer yamadzi yopanda madzi yopangidwa ndi kuyambitsa magulu a hydroxyethyl mu cellulose. Makhalidwe ake amaphatikizapo:
Kusungunuka kwamadzi: kusungunuka mosavuta m'madzi kuti apange mawonekedwe a mkaka oyera.
Kuwongolera kwa Viskon: Makutu a yankho amatha kuwongoleredwa ndikusintha ndende yake.
Khalidwe lokhazikika: khola pamwamba pa ph.
Biodegradiiliced: ochezeka.
1.2 Ntchito
Pa utoto, ntchito zazikulu za hydroxethyl cellulose ndi kuphatikiza:
Kukula: Kukulitsa mafayilo a utoto, kuwonjezera kuyimitsidwa ndi madzi.
Kukhazikika: Pewani kuwonongeka kwa pigment ndikusintha kusungunuka.
Chitsogozo cha Rhelogy: Sinthani mphamvu yazachinyengo ya utoto ndikuwongolera zamadzimadzi ndikuwongolera utoto panthawi yomanga.
2. NJIRA ZOTHANDIZA HYDROXYE Cellulose
2.1 Kukonzekera
Pokukanitsa ndikupanga, kukonzekera zotsatirazi kumafunikira kuti kuwonjezera hydroththyl cellulose:
Kukonzekera kwa Riw: Sankhani mtundu woyenera komanso kutanthauzira kwa hydroxyethyl cellulose (monga madigiri osiyana siyana).
Kusungunula sing'anga: Konzani sing'anga kuti musungunuke hydroxethyl cellulose, nthawi zambiri madzi kapena njira yothetsera matendawa.
2.2 Kusungunuka
Kubalalika: Pang'onopang'ono kuwaza ma hydroxyethyl cellulose m'madzi ozizira. Kuti musapewe kubula, cellulose ikhoza kuphatikizidwa ndi kuchuluka kwa glycerol kapena ena otsutsa.
Kusunthidwa: Sungani kulimbikira kuti ziyambitse kufalikira kwa cellulose m'madzi. Liwiro losangalatsa liyenera kukhala lachangu kuti mupewe mapangidwe a zotupa, koma osakwera kwambiri kuti mupewe mpweya wambiri.
Kutupa: Lolani ma cellulose kuti adzipatule kwambiri m'madzi. Nthawi zambiri zimatenga mphindi 30 mpaka maola angapo, kutengera mtundu ndi kutanthauzira kwa cellulose.
Kutentha (mwa kufuna): Kwa mitundu ina ya cellulose, madziwo amatha kuwuzidwa mwamphamvu (nthawi zambiri osaposa 50 ° C) kuti afulumizitse kusungunuka.
Kusungunula: Pitilizani kusangalatsa mpaka cellulose isungunuka kwathunthu ndipo yunifolomu yankho limapangidwa. Njira yosungunuka iyenera kukhala yowonekera kapena yosinthira, popanda tinthu tating'ono kapena osazindikira.
2.3 onjezerani ku zokutira
Kukonzekera kosakanikirana kokonzekera: hydroxyethyl cellulose nthawi zambiri kumasungunuka ndikukonzekera yankho losakanizika, lomwe limawonjezedwa ndi zokutira. Izi zikuwonetsetsa kuti ma cellulose amagawidwa kwambiri pokutidwa.
Zowonjezera pang'onopang'ono: Pang'onopang'ono onjezani ma hydroxyethyl cellulose osakanizika pa maziko osangalatsa. Sungani molimbika ngakhale kuti mupewe mapangidwe a curts.
Kusakaniza: Pitilizani kulimbikitsa nthawi yonseyi komanso pambuyo powonjezera kuwonetsetsa kuti ma cellulose amagawidwanso mu zokutidwa.
Kuyesedwa ndi Kusintha: Yesani ma viscect, madzi ndi zina zofunikira za zokutira, ndikusintha kuchuluka kwa cellulose kapena kuchuluka kwa cellulose kapena kuchuluka kwa zinthu zina zomwe zikuchitika ngati pakufunika kukwaniritsa zomwe zikuyembekezeka.
3. Kusamala
3.1 Popewa kugwira
Kuthamanga kuthamanga: Kuwaza hydroxyethyl cellulose pang'onopang'ono kuti musankhe kuwonjezera kwambiri nthawi imodzi.
Kusunthira: Khalani ndi liwiro losangalatsa lopewa kuti musagwire.
3.2 Kuwongolera kutentha
Pewani Kutentha Kwambiri: Kutentha kwambiri kumatha kuyambitsa kuchepa kwa hydroxethyl cellulose, nthawi zambiri kumayendetsedwa pansi 50 ° C.
Kutentha Kwambiri: Kutentha pang'ono kumatha kufulumizitsa kuwonongeka kwa kutentha.
3.3 PH Control
Malo osalowerera: hydroxyethyl cellulose imakhala yokhazikika m'malo osalowerera ndale kapena pang'ono alkalinel, komanso ph wowopsa akhoza kukhudza kukhazikika kwake komanso kugwira ntchito.
3.4 Kusunga Njira
Pewani kuipitsidwa kwa bakiteriya: Njirayi imayitanidwa mosavuta ndi tizilombo tating'onoting'ono ndikufunika kuwonjezeredwa ndi zoteteza kapena kusungidwa pamatenthedwe ochepa.
Moyo wa alumali: Ndikulimbikitsidwa kuti muzigwiritsa ntchito posachedwa mukakonzekera kuonetsetsa kuti mutsimikizire.
4. Zogwiritsa ntchito
4.1 utoto wamkati wamkati
Pakatikatikatikatikati apakati pa utoto wa latex, hydroxyethyl cellulose amatha kupereka kukula kosangalatsa, kukonza magwiridwe antchito ndi mtundu wamafilimu.
4.2 Wojambula Wakunja
Mu utoto wa khoma, kuwonjezera hydroththyl cellulose imatha kukonza nyengo ndi zojambulazo za utoto, ndikuthandizira kufanana ndi zokutira ndi kukhazikika kwa zokutira.
4.3 utoto wopangidwa ndi madzi
Mu utoto wamadzi wochokera m'madzi, hydroxyethyl cellulose imatha kupereka mawonekedwe osalala komanso abwino, ndikusintha mawonekedwe ndi kuuma kwa chitoliro.
Monga wopsa mtima komanso Rheology osintha zokutira, hydroxethyl cellulose imakhala ndi mphamvu yothandiza kwambiri. Nthawi zambiri, chidwi chiyenera kulipiridwa ku kusungunuka kwake, kuwonjezera dongosolo ndi zochitika zachilengedwe kuti zisapewe kubuma ndi kuwonongeka. Pamapulogalamu othandiza, mtundu ndi magwiridwe antchito amatha kukhala bwino kudzera mu malingaliro oyenera komanso njira zogwirizira.
Post Nthawi: Feb-17-2025