Cellulose ether wani nau'in polymer ne mai yawan sinadarin semi-synthetic wanda ba na ionic ba, wanda ke narkewa cikin ruwa kuma yana narkewa cikin ruwa. Yana da tasiri daban-daban a masana'antu daban-daban. Misali, a cikin kayan gini na sinadarai, yana da tasirin hadewa kamar haka:
①Alamar riƙe ruwa ②Mai kauri ③Gida mai daidaita ④Gidayar samar da fim ⑤Binder
A cikin masana'antar polyvinyl chloride, yana da emulsifier da kuma warwatsewa; a cikin masana'antar magunguna, yana da mannewa kuma yana da tsarin sakin abubuwa a hankali da kuma sarrafawa, da sauransu. Saboda cellulose yana da tasirin haɗaka iri-iri, aikace-aikacensa. Filin kuma shine mafi faɗi. Mai zuwa ya mayar da hankali kan amfani da aikin cellulose ether a cikin kayan gini daban-daban.
(1) A cikin fenti mai latex:
A masana'antar fenti na latex, don zaɓar hydroxyethyl cellulose, ƙayyadaddun gabaɗaya na daidaiton danko shine RT30000-50000cps, wanda ya yi daidai da ƙayyadaddun HBR250, kuma yawan da aka yi amfani da shi gabaɗaya shine kusan 1.5‰-2‰. Babban aikin hydroxyethyl a cikin fenti na latex shine ya yi kauri, hana gelation na launin, taimakawa wajen watsar da launin, kwanciyar hankali na latex, da kuma ƙara danko na abubuwan da ke ciki, wanda ke ba da gudummawa ga aikin daidaita ginin: Hydroxyethyl cellulose ya fi dacewa a yi amfani da shi. Ana iya narkar da shi a cikin ruwan sanyi da ruwan zafi, kuma ƙimar pH ba ta shafar shi ba. Ana iya amfani da shi lafiya tsakanin ƙimar PI 2 da 12. Hanyoyin amfani sune kamar haka:
I. Ƙara kai tsaye a cikin samarwa: wannan hanyar ya kamata ta zaɓi nau'in hydroxyethyl cellulose delay, da kuma hydroxyethyl cellulose tare da lokacin narkewa na fiye da mintuna 30, matakan amfani da shi sune kamar haka:
① Shirya ruwa mai tsafta a cikin akwati mai ƙarfi
②Fara juyawa akai-akai a ƙaramin gudu, kuma a lokaci guda a hankali a zuba hydroxyethyl a cikin maganin daidai gwargwado
③Ci gaba da juyawa har sai dukkan kayan granular sun jika
④ Ƙara wasu ƙarin abubuwa da ƙarin abubuwa na asali, da sauransu.
⑤ A juya har sai dukkan rukunin hydroxyethyl sun narke gaba ɗaya, sannan a ƙara wasu abubuwan haɗin a cikin dabarar, sannan a niƙa har sai samfurin ya ƙare.
Ⅱ. An haɗa shi da ruwan inabi mai ƙarfi don amfani daga baya: Wannan hanyar za ta iya zaɓar cellulose nan take, wanda ke da tasirin hana ƙuraje. Amfanin wannan hanyar shine yana da ƙarin sassauci kuma ana iya ƙara shi kai tsaye zuwa fenti na latex. Hanyar shiri iri ɗaya ce da matakan ①-④.
Ⅲ. Shirya porridge don amfani daga baya: Tunda sinadaran organic ba su da ƙarfi sosai (ba sa narkewa) don hydroxyethyl, ana iya amfani da waɗannan sinadaran organic don shirya porridge. Abubuwan da aka fi amfani da su na organic sune ruwaye na organic a cikin tsarin fenti na latex, kamar ethylene glycol, propylene glycol, da kuma abubuwan da ke samar da fim (kamar diethylene glycol butyl acetate). Ana iya ƙara porridge hydroxyethyl cellulose kai tsaye a cikin fenti. Ci gaba da juyawa har sai ya narke gaba ɗaya.
(2) A cikin gogewar bango:
A halin yanzu, a yawancin biranen ƙasarmu, mutane suna ɗaukar putty mai jure ruwa da kuma jure wa muhalli. Ana samar da shi ne ta hanyar acetal reaction na vinyl alcohol da formaldehyde. Saboda haka, mutane suna kawar da wannan abu a hankali, kuma ana amfani da samfuran cellulose ether don maye gurbin wannan abu. Wato, don haɓaka kayan gini masu lafiya ga muhalli, cellulose shine kawai kayan.
A cikin putty mai jure wa ruwa, an raba shi zuwa nau'i biyu: busasshen foda putty da putty manna. Daga cikin waɗannan nau'ikan putty guda biyu, ya kamata a zaɓi methyl cellulose da hydroxypropyl methyl da aka gyara. Tsarin danko gabaɗaya yana tsakanin 30000-60000cps. Babban ayyukan cellulose a cikin putty sune riƙe ruwa, haɗawa da shafawa. Tunda dabarun putty na masana'antun daban-daban sun bambanta, wasu sune launin toka calcium, calcium mai sauƙi, siminti fari, da sauransu, wasu kuma sune foda gypsum, calcium mai launin toka, calcium mai sauƙi, da sauransu, don haka ƙayyadaddun bayanai, danko da shigar cellulose a cikin dabarun guda biyu suma sun bambanta. Adadin da aka ƙara shine kusan 2‰-3‰. A cikin ginin gogewar bango, tunda saman bangon yana da wani matakin sha ruwa (yawan sha na bangon tubali shine 13%, kuma ƙimar sha na siminti shine 3-5%), tare da ƙafewar duniyar waje, idan putty ya rasa ruwa da sauri, Zai haifar da tsagewa ko cire foda, wanda zai raunana ƙarfin putty. Saboda haka, ƙara cellulose ether zai magance wannan matsalar. Amma ingancin cikawa, musamman ingancin alli na toka shima yana da matuƙar mahimmanci.
Saboda yawan danko na cellulose, ƙarfin putty yana ƙaruwa, kuma ana guje wa raguwar yanayin gini, kuma yana da daɗi da kuma rage aiki bayan gogewa. Ya fi dacewa a ƙara cellulose ether a cikin foda putty. Samar da shi da amfaninsa sun fi dacewa. Ana iya haɗa abubuwan cikawa da ƙari daidai gwargwado a cikin busasshen foda.
(3) Turmi siminti:
A cikin turmi na siminti, domin cimma ƙarfin da ya dace, dole ne a cika ruwa da siminti. Musamman a lokacin ginin bazara, turmi na siminti yana rasa ruwa da sauri, kuma ana amfani da ma'aunin cikakken ruwa don kiyayewa da yayyafa ruwa. Barnar albarkatu da rashin aiki mai kyau, mabuɗin shine cewa ruwan yana kan saman ne kawai, kuma ruwan da ke cikinsa har yanzu bai cika ba, don haka mafita ga wannan matsala ita ce a ƙara wakilai takwas masu riƙe ruwa a cikin simintin ...
(4) A cikin gyaran gypsum, gypsum mai ɗaurewa, gypsum mai ɗaurewa:
Tare da saurin ci gaban masana'antar gine-gine, buƙatar mutane na sabbin kayan gini yana ƙaruwa kowace rana. Saboda ƙaruwar wayar da kan mutane game da kariyar muhalli da ci gaba da inganta ingancin gini, kayayyakin gypsum na siminti sun bunƙasa cikin sauri. A halin yanzu, kayayyakin gypsum da aka fi sani sune gypsum na siminti, gypsum mai ɗaurewa, gypsum mai ɗaurewa, da manne na tayal. Gypsum na siminti abu ne mai inganci don bangon ciki da rufi. Fuskar bangon da aka yi da shi tana da kyau kuma mai santsi. Sabon manne na allon haske na gini abu ne mai mannewa da aka yi da gypsum a matsayin kayan tushe da ƙari daban-daban. Ya dace da haɗawa tsakanin kayan bangon gini daban-daban marasa guba. Ba shi da guba, ba shi da wari, ƙarfin farko da saurin daidaitawa, haɗin gwiwa mai ƙarfi da sauran halaye, abu ne mai tallafawa allunan gini da ginin tubali; wakilin gypsum na siminti shine cike gibin da ke tsakanin allunan gypsum da kuma cikawa don gyara bango da fashe-fashe.
Waɗannan kayayyakin gypsum suna da jerin ayyuka daban-daban. Baya ga rawar da gypsum da sauran abubuwan da suka shafi su ke takawa, babban batun shine ƙarin abubuwan da ke ƙara cellulose ether suna taka muhimmiyar rawa. Tunda gypsum an raba su zuwa gypsum mai ruwa da kuma hemihydrate gypsum, gypsum daban-daban yana da tasiri daban-daban akan aikin samfurin, don haka kauri, riƙe ruwa da jinkiri suna ƙayyade ingancin kayan ginin gypsum. Matsalar da aka saba samu ta waɗannan kayan ita ce rami da fashewa, kuma ba za a iya isa ga ƙarfin farko ba. Don magance wannan matsalar, shine zaɓar nau'in cellulose da hanyar amfani da mahaɗin na retarder. A wannan batun, gabaɗaya ana zaɓar methyl ko hydroxypropyl methyl 30000. -60000cps, adadin ƙarin shine 1.5%–2%. Daga cikinsu, cellulose yana mai da hankali kan riƙe ruwa da kuma rage man shafawa. Duk da haka, ba zai yiwu a dogara da cellulose ether a matsayin retarder ba, kuma yana da mahimmanci a ƙara retarder citric acid don haɗawa da amfani ba tare da shafar ƙarfin farko ba.
Rike ruwa gabaɗaya yana nufin yawan ruwan da za a rasa ta halitta ba tare da shan ruwan waje ba. Idan bangon ya bushe sosai, shanye ruwa da kuma tururin halitta a saman tushe zai sa kayan su rasa ruwa da sauri, kuma za su yi ramuka da tsagewa. Wannan hanyar amfani an haɗa ta da busasshiyar foda. Idan kun shirya maganin, da fatan za ku koma ga hanyar shirya maganin.
(5) Turmi mai hana zafi
Turmi mai rufi wani sabon nau'in kayan rufi ne na ciki a yankin arewa. Kayan bango ne da aka haɗa ta hanyar kayan rufi, turmi da kuma binder. A cikin wannan kayan, cellulose yana taka muhimmiyar rawa wajen haɗawa da ƙara ƙarfi. Gabaɗaya zaɓi methyl cellulose mai yawan danko (kimanin 10000eps), yawan da ake buƙata yawanci yana tsakanin 2‰-3‰), kuma hanyar amfani da shi ita ce haɗa busasshen foda.
(6) wakilin hulɗa
Zaɓi HPNC 20000cps don wakilin haɗin gwiwa, zaɓi 60000cps ko fiye don manne tayal, sannan ka mai da hankali kan mai kauri a cikin wakilin haɗin gwiwa, wanda zai iya inganta ƙarfin juriya da ƙarfin hana kibiya. Ana amfani da shi azaman wakili mai riƙe ruwa a cikin haɗa tayal don hana tayal bushewa da sauri da faɗuwa.
Lokacin Saƙo: Fabrairu-16-2023