Focus on Cellulose ethers

Aiki da aikace-aikace na ether cellulose a cikin shirye-sanya turmi

Cellulose ether yafi yana da ayyuka uku masu zuwa:

1) Yana iya kauri sabon turmi don hana rarrabuwa da samun jikin filastik iri ɗaya;

2) Yana da tasirin haɓakar iska, kuma yana iya daidaita daidaito da kumfa mai kyau da aka gabatar a cikin turmi;

3) A matsayin mai kula da ruwa, yana taimakawa wajen kula da ruwan (ruwa kyauta) a cikin turmi mai laushi, ta yadda simintin zai iya samun karin lokaci don yin ruwa bayan an gina turmi.

A cikin busassun busassun turmi, methyl cellulose ether yana taka rawar riƙewar ruwa, kauri da inganta aikin gini. Kyakkyawan aikin riƙewar ruwa yana tabbatar da cewa turmi ba zai haifar da yashi, foda da raguwar ƙarfi ba saboda ƙarancin ruwa da ƙarancin ciminti hydration; sakamako mai kauri yana haɓaka ƙarfin tsarin tsarin jika, kuma kyakkyawan ikon hana sagging na tile m misali ne; Bugu da kari na tushe cellulose ether iya muhimmanci inganta rigar danko na rigar turmi, kuma yana da kyau danko zuwa daban-daban substrates, game da shi inganta bango yi na rigar turmi da kuma rage sharar gida.

Lokacin amfani da ether cellulose, ya kamata a lura cewa idan adadin ya yi yawa ko kuma danko ya yi yawa, buƙatun ruwa zai karu, kuma ginin zai ji aiki mai wuyar gaske (danko mai laushi) kuma aiki zai ragu. Cellulose ether zai jinkirta lokacin saitin siminti, musamman ma lokacin da abun ciki ya fi girma, tasirin jinkirta yana da mahimmanci. Bugu da ƙari, ether cellulose kuma zai shafi lokacin buɗewa, juriya na sag da ƙarfin haɗin turmi.

Ya kamata a zaba ether cellulose mai dacewa a cikin samfurori daban-daban, kuma ayyukansa ma sun bambanta. Alal misali, yana da kyau a zabi MC tare da mafi girma danko a cikin tile m, wanda zai iya tsawanta lokacin budewa da lokacin daidaitawa, da kuma inganta aikin anti-slip; a cikin turmi mai daidaita kai, yana da kyau a zabi MC tare da ƙananan danko don kula da ruwa na turmi, kuma a lokaci guda Hakanan yana aiki don hana stratification da riƙewar ruwa. Ya kamata a ƙayyade madaidaitan ethers cellulose bisa ga shawarwarin masana'anta da daidaitattun sakamakon gwaji.

Bugu da ƙari, ether cellulose yana da tasirin ƙarfafa kumfa, kuma saboda farkon samar da fim, zai haifar da fata a cikin turmi. Wadannan fina-finan ether na cellulose na iya samuwa a lokacin ko kuma nan da nan bayan an motsa su, kafin foda na roba mai sakewa ya fara samar da fim. Jigon da ke bayan wannan lamari shine aikin saman ethers cellulose. Tun da mai tayar da hankali ya shigo da kumfa na iska ta jiki, ether cellulose da sauri ya mamaye mu'amala tsakanin kumfa na iska da slurry siminti don samar da fim. Har yanzu membranes sun kasance rigar kuma don haka suna da sassauƙa sosai kuma suna daɗaɗawa, amma tasirin polarization a fili ya tabbatar da tsari mai tsari na ƙwayoyin su.

Tun da cellulose ether polymer ce mai narkewa da ruwa, zai yi ƙaura zuwa saman turmi yana tuntuɓar iska tare da fitar da ruwa a cikin sabon turmi don samar da wadata, don haka ya haifar da fata na ether cellulose a saman sabon turmi. Sakamakon fatar jiki, an samar da fim mai yawa a saman turmi, wanda ya rage lokacin budewa na turmi. Idan an liƙa fale-falen a saman turmi a wannan lokacin, wannan Layer na fim ɗin kuma za a rarraba shi zuwa cikin turmi da mahaɗin da ke tsakanin tayal da turmi, ta yadda za a rage ƙarfin haɗin gwiwa daga baya. Za'a iya rage fata na ether cellulose ta hanyar daidaita ma'auni, zaɓin ether cellulose mai dacewa da kuma ƙara wasu ƙari.


Lokacin aikawa: Fabrairu-17-2023
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