Cellulose ether shine polymer Semi-synthetic wanda ba na ionic ba, wanda yake da ruwa mai narkewa kuma mai narkewa. Yana da tasiri daban-daban a masana'antu daban-daban. Misali, a cikin kayan gini na sinadarai, yana da abubuwan da suka hada da abubuwa masu zuwa: ① wakili mai riƙe ruwa ② thickener ③ matakin kadarorin ④ kayan aikin fim ⑤ ɗaure; a cikin masana'antar polyvinyl chloride, yana da emulsifier da watsawa; a cikin masana'antar harhada magunguna, wakili ne mai ɗaure da buffering Saki kayan kwarangwal, da dai sauransu, saboda cellulose yana da nau'ikan tasirin abubuwa daban-daban, don haka filayen aikace-aikacen su ma sun fi yawa. Na gaba, zan mayar da hankali kan amfani da aikin cellulose ether a cikin kayan gini na kare muhalli.
1. A cikin launi na latex
A cikin masana'antar fenti na latex, ya kamata a zaɓi hydroxyethyl cellulose. Babban ƙayyadaddun ƙayyadaddun danko shine RT30000-50000cps, kuma madaidaicin sashi shine gabaɗaya game da 1.5‰-2‰. Babban aikin hydroxyethyl a cikin fenti na latex shine yin kauri, hana gelation na pigment, taimakawa watsawa, latex, da kwanciyar hankali na pigment, da haɓaka danko na ɓangaren, wanda ke taimakawa haɓaka aikin ginin: hydroxyethyl Ethyl 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 dashi tsakanin ƙimar pH na 2 da 12. Akwai hanyoyi uku na amfani:
I. Ƙara kai tsaye cikin samarwa:
Wannan hanyar yakamata ta zaɓi nau'in jinkirin hydroxyethyl cellulose - hydroxyethyl cellulose tare da lokacin rushewa fiye da mintuna 30. Matakan sune kamar haka: ① Ƙara wani adadin ruwa mai tsafta a cikin akwati sanye take da babban mai tayar da hankali ② Fara motsawa akai-akai a cikin ƙananan gudu, kuma a lokaci guda a hankali ƙara ƙungiyar hydroxyethyl a cikin maganin daidai ③ Ci gaba da motsawa. har sai an jika duk kayan granular ④ Ƙara sauran kayan taimako 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. Shirya shi cikin 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.
2. 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 aka gyara da hydroxypropyl methyl yakamata a zaɓi. Ƙididdigar danko gabaɗaya tsakanin 30000-60000cps. Babban aikin cellulose a cikin putty shine riƙewar ruwa, haɗin gwiwa, lubrication da sauransu.
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‰.
A cikin gina bango scraping putty, tun da tushe surface na bango yana da wani mataki na ruwa sha (yawan sha ruwa bangon tubali ne 13%, da kuma ruwa sha ruwa na kankare ne 3-5%). haɗe tare da ƙawancen waje na waje, idan putty ya rasa ruwa da sauri , Zai haifar da raguwa ko cire foda, wanda zai raunana ƙarfin putty. Saboda haka, ƙara cellulose ether zai magance wannan matsala. Amma ingancin filler, musamman ingancin ash calcium shima yana da mahimmanci. Saboda yawan dankowar cellulose, an kuma inganta buoyancy na putty, kuma ana guje wa abubuwan da ke faruwa a lokacin gini, kuma yana da kyau da kuma ceton aiki bayan gogewa.
3. Kankare turmi
A cikin kankare turmi, don cimma ƙarfin ƙarshe, simintin dole ne ya cika ruwa sosai. Musamman a lokacin aikin rani, turmi na kankare yana asarar ruwa da sauri, kuma ana amfani da matakan cikakken hydration don kula da yayyafa ruwa. Sharar gida da kuma aiki maras dacewa, mabuɗin shine cewa ruwa yana kan ƙasa ne kawai, kuma hydration na ciki har yanzu bai cika ba, don haka maganin wannan matsalar shine ƙara hydroxypropyl methylcellulose ko methylcellulose zuwa simintin turmi, ƙayyadaddun danko yana tsakanin. 20000-60000cps, adadin ƙarin shine game da 2‰-3‰, kuma ana iya ƙara yawan riƙewar ruwa zuwa fiye da 85%. Hanyar da ake amfani da ita a cikin kankare turmi ita ce ƙara ruwa bayan busasshen foda ya haɗu daidai.
4. A gypsum plastering, bonding gypsum, caulking gypsum
Tare da saurin bunƙasa masana'antar gine-gine, buƙatun mutane na sabbin kayan gini kuma yana ƙaruwa kowace rana. Saboda karuwar wayar da kan mutane game da kare muhalli da ci gaba da inganta ingantaccen gini, samfuran gypsum siminti sun haɓaka cikin sauri. A halin yanzu, samfuran gypsum na yau da kullun sune plaster gypsum, gypsum bonded, gypsum inlaid, da tile m.
Gilashin gypsum abu ne mai inganci don bangon ciki da rufi. Fuskar bangon da aka yi da shi yana da kyau da santsi, ba ya sauke foda, yana da alaƙa da tushe, ba shi da tsagewa da fadowa, kuma yana da aikin hana wuta; bonded gypsum wani sabon nau'in ginin allo mai haske abu ne mai ɗaki wanda aka yi da gypsum a matsayin kayan tushe kuma yana ƙara abubuwa daban-daban. Ya dace da haɗin kai tsakanin kayan bangon ginin inorganic daban-daban. Ba shi da guba, maras ɗanɗano, Siffofin irin su ƙarfin farko, saitin sauri, da haɗin kai mai ƙarfi, kayan tallafi ne don ginin bangarori da ginin toshe; gypsum caulking wakili shine mai cike da rata tsakanin bangarori na gypsum da mai gyara ga bango da fashe.
Waɗannan samfuran gypsum suna da jerin ayyuka daban-daban. Bugu da ƙari ga rawar gypsum da masu cikawa masu alaƙa, mahimmancin batun shine cewa ƙarar ether na cellulose yana taka muhimmiyar rawa. Saboda an raba gypsum zuwa gypsum anhydrous da hemihydrate gypsum, gypsum daban-daban yana da tasiri daban-daban akan aikin samfurin, don haka kauri, riƙewar ruwa da jinkirtawa suna ƙayyade ingancin kayan gini na gypsum. Matsalar gama gari na waɗannan kayan shine fashe da fashe, kuma ƙarfin farko ba zai iya isa ba. Don magance wannan matsala, shine zaɓi nau'in cellulose da hanyar amfani da fili na retarder. Dangane da wannan, methyl ko hydroxypropyl methyl 30000 an zaɓi gabaɗaya. -60000cps, adadin da aka ƙara shine tsakanin 1.5 ‰-2 ‰, ana amfani da cellulose mafi yawa don riƙewar ruwa da kuma retarding lubrication.
Duk da haka, ba shi yiwuwa a dogara da ether cellulose a matsayin mai retarder, kuma wajibi ne a ƙara citric acid retarder don haɗuwa da amfani ba tare da rinjayar ƙarfin farko ba.
Riƙewar ruwa gabaɗaya yana nufin adadin ruwan da za a yi asarar ta halitta ba tare da shayar da ruwa na waje ba. Idan bango ya bushe sosai, shayar da ruwa da ƙawancen yanayi a kan ƙasan tushe zai sa kayan suyi asarar ruwa da sauri, kuma raguwa da fashe kuma za su faru.
Ana haxa wannan hanyar amfani da busassun foda. Idan kun shirya bayani, don Allah koma zuwa hanyar shirye-shiryen maganin.
5. Turmi rufin thermal
Turmi rufi sabon nau'in kayan rufe bangon ciki ne a yankin arewa. Abun bango ne da aka haɗa ta kayan rufewa, turmi da ɗaure. A cikin wannan abu, cellulose yana taka muhimmiyar rawa wajen haɗawa da haɓaka ƙarfi. Gabaɗaya zaɓi methyl cellulose tare da babban danko (kimanin 10000eps), sashi shine gabaɗaya tsakanin 2 ‰-3‰), kuma hanyar amfani shine hadawar busasshen foda.
6. Interface wakili
Dole ne mannen tayal ya kasance sama da 60,000cps, kuma yakamata a yi amfani dashi azaman mai kauri a cikin ma'aunin dubawa, wanda zai iya haɓaka ƙarfin ƙarfi da ƙarfin kibiya.
Lokacin aikawa: Janairu-31-2023