Properties da kuma amfani da hydroxyethyl cellulose

Babban kaddarorin hydroxyethyl cellulose shine cewa yana narkewa cikin ruwan sanyi da ruwan zafi, kuma ba shi da abubuwan gelling. Yana da fadi da kewayon maye gurbin, solubility da danko. hazo. Hydroxyethyl cellulose bayani zai iya samar da fim mai haske, kuma yana da halaye na nau'in nau'in nau'in ionic wanda ba ya hulɗa tare da ions kuma yana da dacewa mai kyau.

① Babban zafin jiki da ruwa mai narkewa: Idan aka kwatanta da methyl cellulose (MC), wanda kawai yake soluble a cikin ruwan sanyi, hydroxyethyl cellulose za a iya narkar da shi a cikin ruwan zafi ko ruwan sanyi. Fadi na solubility da danko Properties, da kuma wadanda ba thermal gelation.

② Juriya na Gishiri: Saboda nau'in da ba na ionic ba, yana iya zama tare da sauran polymers masu narkewa da ruwa, surfactants da salts a cikin kewayo. Saboda haka, idan aka kwatanta da ionic carboxymethyl cellulose (CMC), hydroxyethyl cellulose yana da mafi alhẽri gishiri juriya.

③ Riƙewar ruwa, daidaitawa, samar da fim: ƙarfin riƙewar ruwa ya ninka na methyl cellulose, tare da ingantaccen tsari mai gudana da ingantaccen fim ɗin, raguwar asarar ruwa, rashin kuskure, jima'i mai karewa colloid.

Amfani da hydroxyethyl cellulose

Hydroxyethyl cellulose ne mai ba ionic ruwa mai narkewa cellulose ether samfurin, yadu amfani a gine-gine coatings, man fetur, polymerization polymerization, magani, yau da kullum amfani, takarda da tawada, yadudduka, tukwane, yi, noma da sauran masana'antu. Yana da ayyuka na thickening, bonding, emulsifying, tarwatsawa da kuma daidaitawa, kuma zai iya riƙe ruwa, samar da fim da kuma samar da kariya colloid sakamako. Yana da sauƙi mai narkewa a cikin ruwan sanyi da ruwan zafi, kuma yana iya samar da bayani tare da nau'i mai yawa na danko. Daya daga cikin mafi sauri ethers cellulose.

1 fenti latex

Hydroxyethyl cellulose shi ne mafi yawan amfani da thickener a cikin latex coatings. Baya ga kauri na latex, yana kuma iya emulsify, tarwatsawa, daidaitawa da riƙe ruwa. An halin da ban mamaki thickening sakamako, mai kyau launi ci gaban, film-forming dukiya da ajiya kwanciyar hankali. Hydroxyethyl cellulose wani nau'in cellulose maras ionic wanda za'a iya amfani dashi a cikin kewayon pH. Yana da dacewa mai kyau tare da sauran kayan a cikin ɓangaren (kamar pigments, additives, fillers da salts). Rubutun masu kauri tare da hydroxyethyl cellulose suna da kyau rheology a nau'ikan juzu'i daban-daban kuma suna pseudoplastic. Ana iya amfani da hanyoyin gini kamar goga, abin nadi, da feshi. Kyakkyawan gini, ba sauƙin drip ba, sag da fantsama, da daidaitawa mai kyau.

2 Polymerization

Hydroxyethyl cellulose yana da ayyuka na watsawa, emulsifying, suspending da stabilizing a cikin polymerization ko copolymerization aka gyara na roba resins, kuma za a iya amfani da matsayin m colloid. An halin da karfi dispersing ikon, bakin ciki "fim" na barbashi, lafiya barbashi size, uniform barbashi siffar, sako-sako da irin, mai kyau fluidity, high samfurin nuna gaskiya da sauki aiki. Saboda hydroxyethyl cellulose za a iya narkar da a cikin ruwan sanyi da ruwan zafi, kuma ba shi da gelling zazzabi batu, shi ne mafi dace da daban-daban polymerization halayen.

Mahimman abubuwan da ke cikin jiki don bincika ingancin mai rarraba su ne tashin hankali (ko interfacial), ƙarfin tsaka-tsakin da zafin jiki na gelation na maganin ruwa. Wadannan kaddarorin na hydroxyethyl cellulose sun dace da polymerization ko copolymerization na roba resins.

Hydroxyethyl cellulose yana da kyakkyawar dacewa tare da sauran ethers cellulose mai narkewa da ruwa da PVA. Ta haka tsarin hadadden tsari zai iya samun cikakken tasirin koyo daga karfin juna da kuma karawa mutum rauni. Samfuran resin ɗin da aka haɗa ba kawai suna da inganci mai kyau ba, har ma suna rage asarar kayan abu.

3 hako mai

A cikin hakowa da samar da mai, babban danko hydroxyethyl cellulose ana amfani da shi azaman viscosifier don kammala ruwa da kuma ƙarewar ruwaye. Ana amfani da ƙananan danko hydroxyethyl cellulose azaman mai rage asarar ruwa. A cikin laka daban-daban da ake buƙata don hakowa, kammalawa, siminti da ayyukan fashe, ana amfani da hydroxyethyl cellulose azaman mai kauri don samun ruwa mai kyau da kwanciyar hankali na laka. A lokacin hakowa, zai iya inganta yashin ɗaukar nauyin laka kuma ya tsawaita rayuwar sabis na rawar sojan. A low m lokaci kammala ruwaye da siminti ruwaye, da kyau kwarai ruwa asarar rage Properties na hydroxyethyl cellulose iya hana babban adadin ruwa daga shigar da man Layer daga laka, kuma zai iya inganta samar da damar da man Layer.

4 Chemical kullum

Hydroxyethylcellulose wani ingantaccen fim ne tsohon, ɗaure, thickener, stabilizer da dispersant a cikin shamfu, gashi sprays, neutralizers, kwandishana da kayan shafawa; a cikin foda na wanke-wanke Yana da datti mai sake gyarawa. Hydroxyethyl cellulose yana narkewa da sauri a babban zafin jiki, wanda zai iya hanzarta aikin samarwa da haɓaka haɓakar samarwa. Siffar siffa na kayan wanke-wanke mai ɗauke da hydroxyethyl cellulose shine cewa yana iya haɓaka santsi da haɗewar yadudduka.

5 gine-gine

Ana iya amfani da hydroxyethyl cellulose a cikin samfuran gini kamar gaurayawan kankare, sabbin turmi, filasta gypsum ko wasu turmi, da sauransu, don riƙe ruwa yayin ginin kafin saita da taurare. Bugu da ƙari, inganta riƙewar ruwa na kayan gini, hydroxyethyl cellulose kuma na iya tsawaita gyarawa da bude lokacin stucco ko mastic. Yana rage fata, zamewa da sagging. Wannan zai iya inganta aikin gine-gine, inganta aikin aiki, ajiye lokaci, kuma a lokaci guda yana ƙara girman girman girman stucco, don haka ceton albarkatun kasa.

6 noma

Ana amfani da hydroxyethyl cellulose a cikin emulsion na magungunan kashe qwari da abubuwan dakatarwa azaman mai kauri don fesa emulsion ko dakatarwa. Zai iya rage ɗigon wakili kuma ya sanya shi a manne da ganyen shuka, ta haka yana ƙara tasirin feshin foliar. Hydroxyethyl cellulose kuma za a iya amfani da a matsayin fim-forming wakili a iri shafi da shafi wakili; a matsayin mai ɗaure kuma mai shirya fim a cikin sake yin amfani da ganyen taba.

7 Takarda da Tawada

Ana iya amfani da hydroxyethyl cellulose azaman wakili mai ƙima akan takarda da allo kuma azaman mai kauri da dakatarwa don tawada na tushen ruwa. A cikin tsari na takarda, mafi kyawun kaddarorin hydroxyethyl cellulose sun haɗa da dacewa tare da mafi yawan gumi, resins da inorganic salts, ƙananan kumfa, ƙarancin iskar oxygen da ikon samar da fim mai laushi. Fim ɗin yana da ƙarancin ƙarancin ƙasa da ƙyalli mai ƙarfi, kuma yana iya rage farashin. Takarda mai girma tare da hydroxyethyl cellulose don ingantaccen kwafi. A cikin kera tawada mai tushen ruwa, tawada mai kauri da hydroxyethyl cellulose yana bushewa da sauri, yana da kyawun yaduwa mai launi, kuma baya haifar da mannewa.

8 yaduddu

Ana iya amfani da shi azaman mai ɗaure da ma'auni a cikin bugu na masana'anta da manna rini da fenti na latex; thickener don girman kayan a bayan kafet. A cikin fiber gilashi, ana amfani da shi azaman mai yin gyare-gyare da ɗaure; a cikin ɓangaren litattafan almara na fata, ana iya amfani dashi azaman mai gyarawa da ɗaure. Yana ba da kewayon danko mai faɗi don waɗannan sutura ko adhesives, yana haifar da ƙarin daidaituwa da saurin daidaitawar rufin da ingantaccen bugu.

9 yumbura

Babban mai ɗaure ƙarfi don ƙirƙirar yumbu.

10 man goge baki

Ana iya amfani da shi azaman mai kauri wajen kera man goge baki.


Lokacin aikawa: Satumba-24-2022