Cellulose etherwani abu ne mai suna polymer mai suna semi-synthetic 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 hadewa kamar haka:
① Mai riƙe ruwa, ②Mai kauri, ③Gyaran kadarar, ④Gyaran 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 haɗin gwiwa iri-iri, aikace-aikacensa Filin kuma shine mafi faɗi. Na gaba, zan mayar da hankali kan amfani da aikin cellulose ether a cikin kayan gini daban-daban.
Ifentin latex n
A masana'antar fenti na latex, don zaɓar hydroxyethyl cellulose, ƙayyadaddun gabaɗaya na daidaiton danko shine 30000-50000cps, 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 da amfani ga aikin daidaita ginin: Hydroxyethyl cellulose ya fi dacewa a yi amfani da shi. Ana iya narkar da shi a cikin ruwan sanyi ko 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
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 masa 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. A yi shi da garin alkama 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.
In putty
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. Matsakaicin ɗanko yawanci yana tsakanin 40000-75000cps. Babban ayyukan cellulose 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 adadin cellulose da aka zaɓa ta hanyar dabarar biyu suma sun bambanta. Adadin da aka ƙara shine kusan 2-3.
Lokacin Saƙo: Afrilu-28-2024