Cellulose ether ne wanda ba-ionic Semi-synthetic polymer, ruwa-mai narkewa da sauran ƙarfi biyu, a daban-daban masana'antu lalacewa ta hanyar rawa ne daban-daban, kamar a cikin sinadaran gini kayan, yana da wadannan fili sakamako:
① wakili mai riƙe ruwa, ② wakili mai kauri, ③ matakin daidaitawa, ④ yin fim, ⑤ ɗaure
A cikin masana'antar PVC
emulsifier ne mai watsawa;
A cikin Pharmaceutical Excipient masana'antu
wani nau'i ne na ɗaure da jinkirin sakin kayan kwarangwal, saboda ether cellulose yana da nau'o'in nau'i na nau'i, don haka shine filin da aka fi amfani dashi. Da ke ƙasa na mayar da hankali kan amfani da ether cellulose a cikin nau'ikan kayan gini da kuma rawar.
A cikin launi na latex
A cikin layin fenti na latex, don zaɓar hydroxyethyl cellulose, ƙayyadaddun ƙayyadaddun daidaitaccen danko shine 3000-50000cps, yayi daidai da ƙayyadaddun HBR250, ƙimar tunani gabaɗaya 1.5‰-2‰. Babban rawar da hydroxyethyl cellulose a cikin latex Paint ne zuwa thicken, hana pigment gelation, taimaka wa watsar da pigment, latex, kwanciyar hankali, da kuma iya inganta danko na aka gyara, taimaka wa leveling yi na yi: Hydroxyethyl cellulose ne mai sauki don amfani. , Dukansu ruwan sanyi da ruwan zafi za a iya narkar da su, kuma ƙimar PH ba ta shafar su. Ana iya amfani da shi cikin aminci tsakanin ƙimar PI 2 da 12. Hanyoyin amfani sune kamar haka:
I. Ƙara kai tsaye a samarwa
Don wannan hanyar, ya kamata a zaɓi jinkirin hydroxyethyl cellulose tare da lokacin narkewa fiye da mintuna 30. Hanyar ita ce kamar haka: (1) don samun high ya kamata a yanke blender ganga mai ƙididdige ruwa mai tsabta (2) ƙarfin ciki na mutane ya fara haɗuwa da sauri, hydroxyethyl uniform sannu a hankali a lokaci guda don shiga cikin maganin (3) Ci gaba da motsawa har sai duk kayan granular rigar (4) don haɗawa da sauran additives da additives alkaline (5) har sai an narkar da duk hydroxyethyl gaba ɗaya, ƙara sauran sassan dabara, niƙa zuwa samfurin da aka gama.
2, sanye da kayan maye
Wannan hanya na iya zaɓar mai sauri - cellulose mai narkewa, kuma yana da mildew - sakamako mai shaida. Amfanin wannan hanyar ita ce samun sassauci mafi girma, na iya shiga emulsioni fenti kai tsaye a ciki, gyara hanyar daidai take da ①-④ mataki ɗaya ne.
3, tare da porridge don amfani
Tun da kwayoyin kaushi ne matalauta kaushi (insoluble) ga hydroxyethyl, su za a iya amfani da su shirya porridge. Abubuwan da ake amfani da su na kwayoyin halitta da aka fi amfani da su sune kwayoyin ruwa a cikin nau'in fenti na latex, irin su ethylene glycol, propylene glycol da masu samar da fim (irin su diethylene glycol butyl acetate), porridge hydroxyethyl cellulose za a iya ƙara shi kai tsaye zuwa fenti, bayan ƙarawa. ci gaba da motsawa har sai ya narke gaba daya.
A cikin scraping bango putty
A halin yanzu, kasar Sin tana cikin mafi yawan juriya na ruwa na birnin, juriya ga swab na kare muhalli putty da mutane suka dauka da muhimmanci, a cikin 'yan shekarun da suka gabata, saboda abin da aka yi da mannen gini yana haskaka iskar iskar formaldehyde ga lafiyar jama'a, gini. an yi manne da polyvinyl barasa da formaldehyde acetal dauki. Don haka wannan abu a hankali yana kawar da mutane, kuma maye gurbin wannan kayan shine jerin samfurori na cellulose ether, wato, haɓaka kayan gini na kare muhalli, cellulose shine kawai nau'in abu a halin yanzu.
A cikin ruwa juriya putty ya kasu kashi busassun foda putty da putty manna iri biyu, wadannan iri biyu putty kullum zabi methyl cellulose da hydroxypropyl methyl iri biyu, danko ƙayyadaddun ne kullum a 40,000-75000cps tsakanin mafi dace, a cikin babban rawa na cellulose. a cikin putty shine riƙewar ruwa, haɗin gwiwa, lubrication da sauran tasirin.
Saboda tsarin sa na kowane masana'anta ba iri ɗaya bane, wasu sune calcium mai launin toka, calcium mai haske, farin siminti, wasu sune gypsum foda, calcium mai launin toka, calcium mai haske, da dai sauransu, don haka ƙayyadaddun danko da shigar da adadin cellulose na hanyoyin biyu. ba iri ɗaya ba ne, yawan adadin ƙara shine 2‰-3‰ ko makamancin haka.
Lokacin aikawa: Dec-10-2021