Cellulose etherwani nau'in nau'in nau'in 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 na 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:
① Wakilin Riƙe ruwa, ②Kauri, ③Kayan haɓaka, ④ Fim ɗin samar da kaya,
⑤Binder
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.
In fenti
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 tarwatsawar pigment, kwanciyar hankali na latex, da haɓaka danko na abubuwan da aka gyara, wanda ke taimakawa haɓaka aikin ginin. : Hydroxyethyl cellulose ya fi dacewa don amfani. Ana iya narkar da shi a cikin ruwan sanyi ko 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:
1. Ƙara kai tsaye a cikin samarwa
Wannan hanya, hydroxyethyl cellulose jinkiri irin ya kamata a zaba, da kuma hydroxyethyl cellulose da ake amfani da narkar da lokaci fiye da 30 minutes. 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 abubuwan ƙarawa da ƙari na asali, da sauransu. narkar da, sa'an nan ƙara wasu sassa a cikin dabara da niƙa har sai da gama samfurin.
2. 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.
3. Sanya shi a cikin tanda 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 shi gaba daya.
In 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 tsarin sa na masana'antun daban-daban sun bambanta, wasu sune calcium mai launin toka, calcium mai haske, farar ciminti, da dai sauransu, wasu kuma gypsum foda, launin toka, calcium mai haske, da dai sauransu, don haka ƙayyadaddun bayanai, danko da infiltration na cellulose zaba. ta hanyoyin biyu kuma sun bambanta. Adadin da aka ƙara shine kusan 2‰-3‰.
Lokacin aikawa: Afrilu-28-2024