Hydroxyethyl cellulose

Hydroxyethyl cellulose (HEC) ndi ether yosungunuka ya cellulose yosakhala ioniczochokera ku zinthu zinazomwe zingagwirizane ndi ma polima ena ambiri osungunuka m'madzi, ma surfactants, ndi mchere. HEC ili ndi mphamvu zokhuthala, kuyimitsa, kumatira, kusakaniza, kupanga filimu yokhazikika, kufalikira, kusunga madzi, kuteteza mabakiteriya ndi chitetezo cha colloidal. Itha kugwiritsidwa ntchito kwambiri mu zokutira, zodzoladzola, kuboola mafuta ndi mafakitale ena.

Makhalidwe akuluakulu aHydroxyethyl cellulose(HEC)Ndiko kuti imatha kusungunuka m'madzi ozizira ndi madzi otentha, ndipo ilibe mawonekedwe a gel. Ili ndi mitundu yosiyanasiyana ya kusintha, kusungunuka ndi kukhuthala. Ili ndi kukhazikika kwabwino kwa kutentha (pansi pa 140°C) ndipo sipanga mvula pansi pa acidity. Yankho la hydroxyethyl cellulose limatha kupanga filimu yowonekera, yomwe ili ndi mawonekedwe osakhala a ionic omwe samagwirizana ndi ma ayoni ndipo amakhala ndi mgwirizano wabwino.

Kufotokozera kwa Mankhwala

Zogulitsa Magiredi 

CZizindikiro za HEC

1.Kukhuthala

HEC ndi chokhuthala chabwino kwambiri cha zophimba ndi zodzoladzola. Pakugwiritsa ntchito moyenera, kuphatikiza kwa kukhuthala ndi kuyimitsidwa, chitetezo, kufalikira, ndi kusunga madzi kumabweretsa zotsatira zabwino kwambiri.

2.Kusakhazikika kwa pulasitiki

Pseudoplasticity imatanthauza mphamvu ya kukhuthala kwa yankholo ikachepa ndi kuwonjezeka kwa liwiro. Utoto wa latex wokhala ndi HEC ndi wosavuta kuupaka ndi maburashi kapena ma rollers ndipo ukhoza kuwonjezera kusalala kwa pamwamba, zomwe zingathandizenso kuwonjezera magwiridwe antchito; ma shampu okhala ndi HEC ali ndi kusinthasintha kwabwino ndipo ndi okhuthala kwambiri, osavuta kusungunuka, komanso osavuta kuwabalalitsa.

3.Kulekerera mchere

HEC ndi yokhazikika kwambiri mu njira zamchere zokhala ndi mchere wambiri ndipo sizimawola kukhala ionic. Ikagwiritsidwa ntchito mu electroplating, pamwamba pa zigawo zophimbidwazo pamakhala kokwanira komanso kowala kwambiri. Chodziwika bwino ndichakuti imakhalabe ndi kukhuthala kwabwino ikagwiritsidwa ntchito mu utoto wa latex wokhala ndi borate, silicate ndi carbonate.

4.Kupanga mafilimu

Mphamvu zopangira filimu za HEC zingagwiritsidwe ntchito m'mafakitale ambiri. Pa ntchito zopangira mapepala, kupaka utoto ndi HEC-containing glazing agent kungalepheretse mafuta kulowa, ndipo kungagwiritsidwe ntchito kukonzekera njira zina zopangira mapepala; pozungulira, HEC ikhoza kuwonjezera kulimba kwa ulusi ndikuchepetsa kuwonongeka kwa makina. Pakukula, utoto ndi kumaliza nsalu, HEC ikhoza kugwira ntchito ngati filimu yoteteza kwakanthawi. Ngati chitetezo chake sichikufunika, imatha kutsukidwa kuchokera ku ulusi ndi madzi.

5.Kusunga madzi

HEC imathandiza kuti chinyezi cha dongosolo chikhale bwino. Chifukwa chakuti HEC yochepa mu yankho lamadzi imatha kusunga madzi bwino, kotero kuti dongosololi limachepetsa kufunikira kwa madzi panthawi yokonza. Popanda kusunga madzi ndi kumatira, simenti ya simenti imachepetsa mphamvu yake ndi mgwirizano wake, ndipo dongo lidzachepetsanso kusungunuka kwake pansi pa kukakamizidwa kwina.

Mapulogalamu

1.Utoto wa latex

Hydroxyethyl cellulose ndiye chinthu chokhuthala chomwe chimagwiritsidwa ntchito kwambiri mu latex coverings. Kuwonjezera pa kukhuthala kwa latex coverings, imathanso kusakaniza, kufalitsa, kukhazikika ndikusunga madzi. Imadziwika ndi kukhuthala kwakukulu, kupangika bwino kwa utoto, mawonekedwe opanga filimu komanso kukhazikika kosungira. Hydroxyethyl cellulose ndi chinthu chochokera ku cellulose chosakhala cha ionic ndipo chingagwiritsidwe ntchito pa pH yochuluka. Chimagwirizana bwino ndi zinthu zina zomwe zili mu gawoli (monga utoto, zowonjezera, zodzaza ndi mchere). Zophimba zokhuthala ndi hydroxyethyl cellulose zimakhala ndi rheology yabwino komanso pseudoplasticity pamitengo yosiyanasiyana yodula. Njira zomangira monga kutsuka, kupukuta ndi kupopera zitha kugwiritsidwa ntchito. Kapangidwe kake ndi kabwino, kosavuta kudontha, kutsika ndi kupopera, ndipo mawonekedwe ake ndi abwino.

2.Kupolima

Hydroxyethyl cellulose ili ndi ntchito yogawa, kusakaniza, kuyimitsa ndi kukhazikika mu polymerization kapena copolymerization gawo la utomoni wopangidwa, ndipo ingagwiritsidwe ntchito ngati colloid yoteteza. Imadziwika ndi mphamvu yayikulu yogawa, chinthu chomwe chimachokera chimakhala ndi "filimu" yopyapyala ya tinthu tating'onoting'ono, kukula kwa tinthu tating'onoting'ono, mawonekedwe ofanana a tinthu tating'onoting'ono, mawonekedwe otayirira, kusinthasintha kwabwino, kuwonekera bwino kwa chinthu, komanso kukonzedwa kosavuta. Popeza hydroxyethyl cellulose imatha kusungunuka m'madzi ozizira ndi madzi otentha ndipo ilibe kutentha kwa gelation, ndiyoyenera kwambiri machitidwe osiyanasiyana a polymerization.

Zinthu zofunika kwambiri pa dispersant ndi mphamvu ya pamwamba (kapena interfacial), mphamvu ya interfacial ndi kutentha kwa gelation ya yankho lake lamadzi. Zinthu izi za hydroxyethyl cellulose ndizoyenera polymerization kapena copolymerization ya ma resin opangidwa.

Hydroxyethyl cellulose imagwirizana bwino ndi ma ether ena osungunuka m'madzi ndi PVA. Dongosolo lophatikizana lomwe limapangidwa ndi izi limatha kupeza zotsatira zonse zokwaniritsa zofooka za wina ndi mnzake. Utomoni wopangidwa pambuyo pophatikizana suli ndi khalidwe labwino lokha, komanso umachepetsa kutayika kwa zinthu.

3.Kuboola mafuta

Pakuboola ndi kupanga mafuta, hydroxyethyl cellulose yokhala ndi kukhuthala kwakukulu imagwiritsidwa ntchito makamaka ngati viscosifier yamadzimadzi omalizidwa ndi madzi omalizidwa. hydroxyethyl cellulose yokhala ndi kukhuthala kochepa imagwiritsidwa ntchito ngati chothandizira kutaya madzi. Pakati pa matope osiyanasiyana ofunikira pakuboola, kumaliza, kulimbitsa ndi kuswa, hydroxyethyl cellulose imagwiritsidwa ntchito ngati chokhuthala kuti matope azikhala otakasuka komanso okhazikika. Pakuboola, mphamvu yonyamula matope imatha kukonzedwa, ndipo moyo wa ntchito ya choboolacho ukhoza kukulitsidwa. Pamadzimadzi omalizidwa otsika komanso madzi omangira simenti, mphamvu yabwino kwambiri yochepetsera kutaya madzi ya hydroxyethyl cellulose imatha kuletsa madzi ambiri kulowa mu mafuta kuchokera mu matope ndikuwonjezera mphamvu yopangira mafuta.

4.Makampani opanga mankhwala tsiku ndi tsiku

Hydroxyethyl cellulose ndi chinthu chogwira ntchito bwino chopangira filimu, chomangirira, chothira, chokhazikika komanso chosungunula mu shampoo, zopopera tsitsi, zoletsa tsitsi, zodzola tsitsi ndi zodzoladzola; mu ufa wa detergent Medium ndi chinthu chobwezeretsa dothi. Hydroxyethyl cellulose imasungunuka mwachangu kutentha kwambiri, zomwe zingathandize kuti ntchito yopangira ipite patsogolo ndikuwonjezera magwiridwe antchito. Mbali yodziwikiratu ya sopo wokhala ndi hydroxyethyl cellulose ndi yakuti imatha kukonza kusalala ndi kusinthasintha kwa nsalu.

Nyumba 5

Hydroxyethyl cellulose ingagwiritsidwe ntchito pazinthu zomangira monga zosakaniza za konkriti, matope osakanizidwa kumene, gypsum plaster kapena matope ena, ndi zina zotero, kuti asunge madzi panthawi yomanga asanakhazikike ndi kuuma. Kuwonjezera pa kukonza kusunga madzi kwa zinthu zomangira, hydroxyethyl cellulose ingathenso kuwonjezera nthawi yokonza ndi kutsegula kwa pulasitiki kapena simenti. Ikhoza kuchepetsa khungu, kutsetsereka ndi kugwa. Izi zingathandize bwino ntchito yomanga, kuwonjezera magwiridwe antchito, kusunga nthawi, komanso nthawi yomweyo kuwonjezera mphamvu ya matope, potero kusunga zipangizo zopangira.

6 Ulimi

Hydroxyethyl cellulose imagwiritsidwa ntchito mu emulsion ya mankhwala ophera tizilombo ndi njira zoyimitsira, ngati chokhuthala cha ma emulsion opopera kapena oyimitsira. Ikhoza kuchepetsa kuyenda kwa mankhwala ndikupangitsa kuti azilumikizana bwino ndi tsamba la chomera, motero kuwonjezera mphamvu yogwiritsira ntchito kupopera masamba. Hydroxyethyl cellulose ingagwiritsidwenso ntchito ngati chopangira filimu ya zophimba mbewu; ngati chomangirira komanso chopangira filimu yobwezeretsanso masamba a fodya.

7 Pepala ndi inki

Hydroxyethyl cellulose ingagwiritsidwe ntchito ngati chowonjezera kukula pa pepala ndi makatoni, komanso chowonjezera kukhuthala ndi kuimitsa inki yopangidwa ndi madzi. Pakupanga mapepala, mphamvu zabwino za hydroxyethyl cellulose zimaphatikizapo kugwirizana ndi chingamu zambiri, ma resin ndi mchere wosapangidwa ndi zinthu zachilengedwe, thovu lochepa, kugwiritsa ntchito mpweya wochepa komanso kuthekera kopanga filimu yosalala pamwamba. Filimuyi ili ndi kulowerera kochepa pamwamba komanso kuwala kwamphamvu, komanso ingathandize kuchepetsa ndalama. Pepala lomata ndi hydroxyethyl cellulose lingagwiritsidwe ntchito posindikiza zithunzi zapamwamba kwambiri. Pakupanga inki yopangidwa ndi madzi, inki yopangidwa ndi madzi yokhuthala ndi hydroxyethyl cellulose imauma mwachangu, imakhala ndi kufalikira kwabwino kwa utoto, ndipo siimayambitsa kumatira.

Nsalu 8

Itha kugwiritsidwa ntchito ngati chomangirira ndi choyezera kukula mu chosindikizira ndi chopaka utoto cha nsalu ndi chopaka utoto cha latex; choyezera kukula kwa zinthu zomwe zili kumbuyo kwa kapeti. Mu ulusi wagalasi, itha kugwiritsidwa ntchito ngati chopangira ndi chomatira; mu slurry yachikopa, itha kugwiritsidwa ntchito ngati chosinthira ndi chomatira. Imapereka kukhuthala kwakukulu kwa zomatira izi kapena zomatira, imapangitsa kuti chomatiracho chikhale chofanana komanso chogwirana mwachangu, ndipo ingathandize kusindikiza ndi kupaka utoto momveka bwino.

9 Zoumbaumba

Ingagwiritsidwe ntchito popanga zomatira zolimba kwambiri za zoumbaumba.

10.mankhwala otsukira mano

Ingagwiritsidwe ntchito ngati chokhuthala popanga mano otsukira mano.

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