Makhalidwe akuluakulu a hydroxyethyl cellulose ndi akuti imasungunuka m'madzi ozizira ndi madzi otentha, ndipo ilibe mphamvu zoyeretsera. Ili ndi mphamvu zambiri zosinthira, kusungunuka, ndi kukhuthala. Yankho la hydroxyethyl cellulose limatha kupanga filimu yowonekera, ndipo lili ndi mawonekedwe a mtundu wosakhala wa ionic womwe sungagwirizane ndi ma ions ndipo umagwirizana bwino.
①Kutentha kwambiri ndi kusungunuka kwa madzi: Poyerekeza ndi methyl cellulose (MC), yomwe imasungunuka m'madzi ozizira okha, hydroxyethyl cellulose imatha kusungunuka m'madzi otentha kapena m'madzi ozizira. Pali zinthu zambiri zosungunuka ndi kukhuthala, komanso gelation yosatentha.
②Kukana kwa mchere: Chifukwa cha mtundu wake wosakhala wa ionic, imatha kukhala pamodzi ndi ma polima ena osungunuka m'madzi, ma surfactants ndi mchere m'njira zosiyanasiyana. Chifukwa chake, poyerekeza ndi ionic carboxymethyl cellulose (CMC), hydroxyethyl cellulose imakhala ndi kukana kwa mchere bwino.
③Kusunga madzi, kulinganiza, kupanga filimu: mphamvu yake yosunga madzi ndi kawiri kuposa methyl cellulose, yokhala ndi kayendedwe kabwino ka madzi komanso kupanga filimu bwino, kuchepetsa kutaya madzi, kusamvana, komanso kuteteza colloid.
Kugwiritsa ntchito hydroxyethyl cellulose
Hydroxyethyl cellulose ndi chinthu chopangidwa ndi ether ya cellulose chomwe sichimasungunuka m'madzi, chomwe chimagwiritsidwa ntchito kwambiri popanga zophimba zomangamanga, mafuta, polymerization ya polymer, mankhwala, kugwiritsa ntchito tsiku ndi tsiku, mapepala ndi inki, nsalu, zoumba, zomangamanga, ulimi ndi mafakitale ena. Ili ndi ntchito zokhuthala, zomangira, zosakaniza, zobalalitsa ndi kukhazikika, ndipo imatha kusunga madzi, kupanga filimu ndikupereka mphamvu yoteteza ya colloid. Imasungunuka mosavuta m'madzi ozizira ndi madzi otentha, ndipo imatha kupereka yankho lokhala ndi kukhuthala kosiyanasiyana. Chimodzi mwa ma ether a cellulose othamanga kwambiri.
Utoto umodzi 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 kodabwitsa, kupangika bwino kwa utoto, kapangidwe ka filimu komanso kukhazikika kosungira. Hydroxyethyl cellulose ndi chinthu chochokera ku cellulose chomwe sichili cha ionic chomwe 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 pamitengo yosiyanasiyana yodula ndipo ndi za pseudoplastic. Njira zomangira monga kutsuka, kupukuta ndi kupopera zingagwiritsidwe ntchito. Kapangidwe kabwino, kosavuta kudontha, kutsika ndi kupopera, komanso kulinganiza bwino.
2 Kupopera
Hydroxyethyl cellulose ili ndi ntchito yogawa, kusakaniza, kuyimitsa ndi kukhazikika mu polymerization kapena copolymerization components of synthetic resins, ndipo ingagwiritsidwe ntchito ngati colloid yoteteza. Imadziwika ndi mphamvu yogawa, "filimu" yopyapyala ya tinthu tating'onoting'ono, kukula kwa tinthu tating'onoting'ono, mawonekedwe ofanana a tinthu tating'onoting'ono, mtundu womasuka, kusinthasintha kwabwino, kuwonekera bwino kwa zinthu komanso kukonzedwa kosavuta. Chifukwa hydroxyethyl cellulose imatha kusungunuka m'madzi ozizira ndi madzi otentha, ndipo ilibe kutentha kwa gelling, ndiyoyenera kwambiri machitidwe osiyanasiyana a polymerization.
Zinthu zofunika kwambiri kuti mufufuze ubwino wa 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 motero limatha kupeza zotsatira zonse zophunzirira kuchokera ku mphamvu za wina ndi mnzake ndikuwonjezera zofooka za wina. Zopangira za utomoni wophatikizana sizimangokhala zabwino zokha, komanso zimachepetsa 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. Hyxyethyl cellulose yokhala ndi kukhuthala kochepa imagwiritsidwa ntchito ngati chochepetsera kutayika kwa madzi. Mu matope osiyanasiyana ofunikira pakuboola, kumaliza, kulimbitsa ndi kusweka, hydroxyethyl cellulose imagwiritsidwa ntchito ngati chokhuthala kuti matope azikhala otakataka komanso okhazikika. Pakuboola, imatha kukonza mphamvu yonyamula mchenga wa matope ndikuwonjezera moyo wa ntchito ya choboola. Mu madzi otsika olimba komanso madzi omangira simenti, mphamvu zabwino kwambiri zochepetsera kutayika kwa madzi za hydroxyethyl cellulose zimatha kuletsa madzi ambiri kulowa mu mafuta kuchokera mu matope, ndipo zimatha kukonza mphamvu yopangira mafuta.
Mankhwala a tsiku ndi tsiku 4
Hydroxyethylcellulose ndi chinthu chogwira ntchito bwino chopangira filimu, chomangirira, chothina, chokhazikika komanso chosungunula mu shampoo, zopopera tsitsi, zoletsa tsitsi, zodzoladzola ndi zodzoladzola; mu ufa wa sopo. Ndi chinthu chobwezeretsa dothi. Hydroxyethyl cellulose imasungunuka mwachangu kutentha kwambiri, zomwe zingathandize kuti ntchito yopangira ipite patsogolo ndikuwonjezera magwiridwe antchito. Chinthu chodziwikiratu cha sopo wokhala ndi hydroxyethyl cellulose ndichakuti chimatha kukonza kusalala ndi kusinthasintha kwa nsalu.
5 zomangamanga
Hydroxyethyl cellulose ingagwiritsidwe ntchito pazinthu zomangira monga zosakaniza za konkriti, ma mortar atsopano, gypsum plaster kapena ma mortar ena, ndi zina zotero, kuti asunge madzi panthawi yomanga asanakhazikike ndi kuuma. Kuphatikiza pa kukonza kusunga madzi kwa zinthu zomangira, hydroxyethyl cellulose imathanso kukulitsa nthawi yokonza ndi kutsegula kwa stucco kapena mastic. Imachepetsa khungu, kutsetsereka ndi kugwa. Izi zitha kupititsa patsogolo magwiridwe antchito omanga, kupititsa patsogolo magwiridwe antchito, kusunga nthawi, komanso nthawi yomweyo kuonjezera kuchuluka kwa stucco, potero kusunga zinthu zopangira.
6 ulimi
Hydroxyethyl cellulose imagwiritsidwa ntchito mu emulsion ya mankhwala ophera tizilombo komanso njira zoyimitsira ngati chokhuthala cha ma emulsion opopera kapena oimiritsa. Ikhoza kuchepetsa kusuntha kwa mankhwalawo ndikupangitsa kuti agwirizane ndi masamba a chomera, motero kuwonjezera mphamvu ya kupopera masamba. Hydroxyethyl cellulose ingagwiritsidwenso ntchito ngati njira yopangira filimu mu njira yophikira mbewu ndi njira yophikira; ngati chomangirira ndi chopangira filimu pobwezeretsanso masamba a fodya.
7 Pepala ndi Inki
Hydroxyethyl cellulose ingagwiritsidwe ntchito ngati chowonjezera kukula papepala ndi bolodi komanso ngati chowonjezera kukhuthala ndi kuimitsa inki yochokera m'madzi. Pakupanga mapepala, makhalidwe abwino a hydroxyethyl cellulose ndi monga kugwirizana ndi chingamu zambiri, ma resin ndi mchere wosapangidwa, 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 lokhala ndi hydroxyethyl cellulose kuti lisindikizidwe bwino. Pakupanga inki yochokera m'madzi, inki yochokera m'madzi yokhuthala ndi hydroxyethyl cellulose imauma mwachangu, imakhala ndi utoto wabwino, ndipo siimamatirira.
Nsalu 8
Itha kugwiritsidwa ntchito ngati chomangirira ndi choyezera kukula mu kusindikiza ndi kuyika utoto pa nsalu ndi utoto wa latex; chokhuthala cha zinthu zoyezera kumbuyo kwa kapeti. Mu ulusi wagalasi, imagwiritsidwa ntchito ngati chomangira ndi chomangira; mu zamkati zachikopa, itha kugwiritsidwa ntchito ngati chosinthira ndi chomangira. Imapereka kukhuthala kwakukulu kwa zomatira kapena zomatira izi, zomwe zimapangitsa kuti chomatiracho chikhale chofanana komanso chofulumira komanso kuti zosindikizidwa zikhale zomveka bwino.
Zoumbaumba 9
Chomangira champhamvu kwambiri chopangira zinthu zadothi.
Mankhwala otsukira mano 10
Ingagwiritsidwe ntchito ngati chokhuthala popanga mano otsukira mano.
Nthawi yotumizira: Sep-24-2022