Cellulose ether wani nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i) nau'i-nau'i-roba, wanda yake da ruwa mai narkewa da mai narkewa. Yana da tasiri daban-daban a masana'antu daban-daban. Misali, a cikin kayan gini na sinadarai, yana da abubuwa masu yawa masu zuwa:
①Wakili mai riƙe ruwa
②Kauri
③ Matsayi
④ Samuwar fim
⑤ Binder
A cikin masana'antar polyvinyl chloride, yana da emulsifier da watsawa; a cikin masana'antar harhada magunguna, yana da ɗaure da jinkirin da sarrafa kayan tsarin sakin kayan aiki, da dai sauransu Saboda cellulose yana da nau'ikan nau'ikan abubuwan da aka haɗa, aikace-aikacen sa Filin kuma shine mafi fa'ida. Na gaba, zan mayar da hankali kan amfani da aikin ether cellulose a cikin kayan gini daban-daban.
1. A cikin launi na latex
A cikin masana'antar fenti na latex, don zaɓar hydroxyethyl cellulose, ƙayyadaddun ƙayyadaddun daidaitaccen danko shine 30000-50000cps, wanda yayi daidai da ƙayyadaddun HBR250, kuma ƙimar tunani gabaɗaya kusan 1.5‰-2‰. Babban aikin hydroxyethyl a cikin fenti na latex shine yin kauri, hana gelation na pigment, taimakawa watsawar pigment, kwanciyar hankali na latex, da haɓaka danko na abubuwan da aka gyara, wanda ke ba da gudummawa ga haɓaka aikin ginin: Hydroxyethyl cellulose ya fi dacewa don amfani. Ana iya narkar da shi a cikin ruwan sanyi da ruwan zafi, kuma ƙimar pH ba ta shafe shi ba. 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, yakamata a zaɓi nau'in jinkirin hydroxyethyl cellulose, kuma ana amfani da hydroxyethyl cellulose tare da lokacin rushewa fiye da mintuna 30. Matakan sune kamar haka: ① Sanya wani adadin ruwa mai tsafta a cikin akwati sanye take da babban mai tayar da hankali. Ana jiƙa duk kayan granular ④ Ƙara sauran additives da abubuwan da suka dace, da dai sauransu.
Ⅱ. An sanye shi da giya na uwa don amfani daga baya
Wannan hanya na iya zaɓar nau'in nan take, kuma yana da tasirin anti-mildew cellulose. Amfanin wannan hanyar shine yana da mafi girman sassauci kuma ana iya ƙara shi kai tsaye zuwa fenti na latex. Hanyar shirye-shiryen iri ɗaya ce da matakan ①-④.
Ⅲ. Yi porridge don amfani daga baya
Tun da kwayoyin kaushi ne matalauta kaushi (insoluble) ga hydroxyethyl, wadannan kaushi za a iya amfani da su tsara porridge. Abubuwan da aka fi amfani da su na kwayoyin halitta sune ruwayen ruwa a cikin kayan fenti na latex, irin su ethylene glycol, propylene glycol, da masu yin fim (irin su diethylene glycol butyl acetate). Ana iya ƙara porridge hydroxyethyl cellulose kai tsaye zuwa fenti. Ci gaba da motsawa har sai an narkar da gaba daya.
Na biyu, a cikin bango scraping putty
A halin yanzu, a mafi yawan biranen ƙasara, ɗigon ruwa mai jure ruwa da kuma goge-goge da ke da alaƙa da muhalli mutane sun sami ƙimar gaske. An samar da shi ta hanyar amsawar acetal na barasa vinyl da formaldehyde. Sabili da haka, mutane suna kawar da wannan abu a hankali, kuma ana amfani da samfuran ether na cellulose don maye gurbin wannan abu. Wato don haɓaka kayan gini masu dacewa da muhalli, a halin yanzu cellulose shine abu ɗaya kawai.
A cikin ruwa mai jure ruwa, an raba shi zuwa nau'i biyu: busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun ruwa da kuma man da aka saka. Daga cikin waɗannan nau'ikan putty guda biyu, methyl cellulose da hydroxypropyl methyl yakamata a zaɓi. Ƙididdigar danko gabaɗaya tsakanin 40000-75000cps. Babban ayyuka na cellulose sune riƙewar ruwa, haɗin gwiwa da lubrication.
Tun da putty dabara na daban-daban masana'antun ne daban-daban, wasu su ne launin toka alli, haske alli, farin ciminti, da dai sauransu, da kuma wasu su ne gypsum foda, launin toka alli, haske alli, da dai sauransu, don haka dalla-dalla, danko da shigar azzakari cikin farji na cellulose a cikin . dabaru guda biyu kuma sun bambanta. Adadin da aka ƙara shine kusan 2‰-3‰.
Lokacin aikawa: Fabrairu-16-2023