Cellulose ether wani polymer ne wanda ba na ionic ba, wanda yake 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 haɗin gwiwa masu zuwa: ① wakilin riƙe ruwa ② mai kauri ③ kadarar daidaita ④ kadarar samar da fim ⑤ mai ɗaurewa; a cikin masana'antar polyvinyl chloride, yana da emulsifier da mai wargazawa; a cikin masana'antar magunguna, yana da wakili mai ɗaurewa da buffering. Yana fitar da kayan kwarangwal, da sauransu, saboda cellulose yana da tasirin haɗin gwiwa iri-iri, don haka filayen aikace-aikacensa suma sun fi yawa. Na gaba, zan mai da hankali kan amfani da aikin cellulose ether a cikin kayan gini na kare muhalli.
1. A fenti mai kama da 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:
(1) Ƙara kai tsaye a cikin samarwa:
Don wannan hanyar, ya kamata a zaɓi nau'in hydroxyethyl cellulose delay, sannan a yi amfani da hydroxyethyl cellulose mai lokacin narkewa fiye da minti 30. Matakan sune kamar haka: ① A saka wani adadin ruwa mai tsarki a cikin akwati mai kayan aiki mai ƙarfi ② A fara juyawa akai-akai a ƙaramin gudu, kuma a lokaci guda a hankali a ƙara rukunin hydroxyethyl a cikin maganin daidai gwargwado ③A ci gaba da juyawa har sai an jiƙa dukkan kayan granular ④A ƙara wasu ƙarin abubuwa da ƙarin abubuwa na asali, da sauransu. ⑤A juya har sai dukkan rukunin hydroxyethyl sun narke gaba ɗaya, sannan a ƙara wasu abubuwan a cikin dabarar a niƙa har sai samfurin ya ƙare.
(2) An saka shi da ruwan inabi mai ƙarfi don amfani daga baya:
Wannan hanyar za ta iya zaɓar nau'in nan take, kuma tana da cellulose mai hana mildew. Amfanin wannan hanyar shine tana da sassauci mafi girma kuma ana iya ƙara ta kai tsaye zuwa fenti na latex. Hanyar shiri iri ɗaya ce da matakan ①-④.
(3), wanda aka sanya shi a cikin porridge don amfani daga baya:
Tunda sinadaran da ke narkewar halitta ba su da ƙarfi sosai (ba sa narkewa) ga hydroxyethyl, ana iya amfani da waɗannan sinadaran don ƙirƙirar porridge. Abubuwan da ke narkewar halitta da aka fi amfani da su sune ruwayen halitta 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 zuwa fenti. Ci gaba da juyawa har sai ya narke gaba ɗaya.
2. A cikin goge putty a 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. Matsakaicin ɗanko 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-toka, calcium mai sauƙi, simintin 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 dabarar 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, ana ƙara yawan buɗaɗɗen putty, kuma ana guje wa yanayin raguwa yayin gini, kuma yana da daɗi da kuma adana 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 yin amfani da gypsum, haɗa gypsum, haɗa gypsum
Tare da ci gaban masana'antar gine-gine cikin sauri, buƙatar mutane na sabbin kayan gini yana ƙaruwa kowace rana. Saboda ƙaruwar wayar da kan jama'a game da kare muhalli da kuma ci gaba da inganta ingancin gini, kayayyakin gypsum na siminti sun bunƙasa cikin sauri. A halin yanzu, kayayyakin gypsum da aka fi amfani da su sune gypsum na shafa siminti, gypsum mai ɗaurewa, gypsum mai ɗaurewa, da kuma manne na tayal.
Gypsum ɗin shafa fenti abu ne mai inganci na shafa fenti a bango da rufi na ciki. Faɗin bangon da aka shafa shi yana 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 tsari. Ba shi da guba, ba shi da wari, ƙarfi da sauri, haɗin gwiwa mai ƙarfi da sauran halaye, abu ne mai tallafi ga allon gini da ginin tubali; wakilin caulking na gypsum shine cike gibi tsakanin allon gypsum da kuma cika kayan gyara ga bango da fashe-fashe.
Waɗannan kayayyakin gypsum suna da 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 yana ƙayyade ingancin kayan ginin gypsum. Matsalar da aka saba samu ta waɗannan kayan ita ce rami da fashewa, kuma ba za a iya cimma 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 mai hana ruwa ba, kuma yana da mahimmanci a ƙara sinadarin 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 da ke fitowa daga ƙasa zai sa kayan su rasa ruwa da sauri, kuma za su iya yin ramuka da tsagewa.
Ana haɗa wannan hanyar amfani da foda busasshe. Idan kun shirya maganin, don Allah ku duba 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, kuma mayar da hankali kan mai kauri a cikin wakilin haɗin gwiwa, wanda zai iya inganta ƙarfin juriya da ƙarfin hana kibiya.
Lokacin Saƙo: Fabrairu-17-2023