Ayyuka da aikace-aikacen ether cellulose a cikin kayan gini na kare muhalli
Cellulose ethershi ne wanda ba-ionic semi-synthetic polymer, ruwa-soluble da sauran ƙarfi biyu, a cikin daban-daban masana'antu lalacewa ta hanyar rawa ne daban-daban, kamar a cikin sinadaran gini kayan, yana da wani hadadden sakamako:
① wakili mai riƙe ruwa
② wakili mai kauri
③ daidaitawa
④ yin fim
⑤ mai ɗaure;
A cikin masana'antar PVC, yana da emulsifier, mai rarrabawa; A cikin masana'antar harhada magunguna, nau'in nau'in ɗaure ne da jinkirin sakin kayan kwarangwal, saboda cellulose yana da tasirin haɗaɗɗun nau'ikan, don haka shine filin da aka fi amfani dashi. A ƙasa na mayar da hankali kan amfani da ether cellulose a cikin kayan gini na kare muhalli da kuma rawar.
1. fentin latex
A cikin layin fenti na latex, don zaɓar hydroxyethyl cellulose, ƙayyadaddun ƙayyadaddun danko shine RT3000-50000cps, ƙimar tunani gabaɗaya 1.5‰-2‰. Babban aikin hydroxyethyl a cikin fenti na latex shine lokacin kauri, hana gelation pigment, ba da gudummawa ga rarrabuwar pigment, latex, kwanciyar hankali, kuma yana iya haɓaka danko na abubuwan da aka gyara, yana ba da gudummawa ga haɓaka aikin gini: Hydroxyethyl cellulose yana da sauƙin amfani, Ana iya narkar da shi a cikin ruwan sanyi da ruwan zafi, kuma ƙimar PH ba ta shafa ba, ana iya amfani da ita tsakanin ƙimar PH 2 da 12, ta amfani da hanyoyi uku masu zuwa:
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I. Kai tsaye ƙara:
Don wannan hanya, hydroxyethyl cellulose jinkiri nau'in - hydroxyethyl cellulose tare da narkar da lokaci na fiye da minti 30 ya kamata a zaba. Hanyar ita ce kamar haka: (1) don samun high yakamata a yanke blender akwati da ruwa mai ƙima (2) mutane sun fara motsawa akai-akai, a lokaci guda a hankali ƙara hydroxyethyl a ko'ina cikin maganin (3) a ci gaba da motsawa har sai duka. rigar granular kayan (4) don shiga sauran Additives da alkaline Additives (5) motsawa har sai gaba daya narkar da duk hydroxyethyl, ƙara sauran aka gyara na dabara, nika zuwa ga gama samfurin.
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ⅱ. An sanye shi da mama:
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.
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ⅲ, 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.
2. goge bangon bango
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 resistant putty ya kasu kashi busassun foda putty da putty manna iri biyu, iri biyu na putty kullum zabi modified methyl cellulose da hydroxypropyl methyl iri biyu, danko ƙayyadaddun ne kullum a 3000-60000cps tsakanin mafi dace, a cikin babban rawar da. cellulose a putty ne ruwa riƙewa, bonding, lubrication, da dai sauransu.
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.
A busa bango a gundura da yaro yi, bango tushe yana da wasu absorbent (bulo bango na bibulous kudi ya 13%, da kankare ne 3-5%), guda biyu tare da evaporation na waje duniya, don haka idan a gundura da yaro. asarar ruwa da sauri, zai haifar da tsagewa ko abin da ya faru kamar pollen, ta yadda ƙarfin putty ya raunana, saboda haka, bayan shiga cellulose ether zai magance wannan matsala. Amma ingancin kayan cikawa, musamman ingancin calcium mai launin toka shima yana da mahimmanci. Saboda yawan dankowar cellulose, hakanan yana kara habaka buoyancy na putty, kuma yana gujewa al'amuran kwararar da ke rataye a cikin ginin, kuma yana da dadi da kuma ceton aiki bayan gogewa.
3. kankare turmi
A kankare turmi, da gaske cimma matuƙar ƙarfi, dole ne a yi siminti hydration dauki gaba daya, musamman a lokacin rani, a cikin gina kankare turmi ruwa asarar da sauri, gaba daya hydrated matakan a kan curing ruwa, wannan hanya shi ne sharar gida na ruwa albarkatun kuma. m aiki, da key ne kawai a kan surface, ruwa da hydration ne har yanzu ba gaba daya, don haka hanyoyin da za a warware wannan matsala, A turmi kankare kullum zabi don ƙara hydroxypropyl methyl cellulose ko methyl cellulose, danko bayani dalla-dalla tsakanin 20000-60000cps, ƙara adadin. na 2‰-3‰ ko makamancin haka, ana iya ƙara yawan riƙe ruwa zuwa fiye da 85%, a cikin turmi kankare hanyar amfani da busassun foda a hade bayan an ƙara ruwa.
4. fenti gypsum, bonding gypsum, caulking gypsum
Tare da saurin bunƙasa masana'antar gine-gine, buƙatun jama'a na sabbin kayan gini kuma yana ƙaruwa kowace rana, saboda karuwar wayar da kan jama'a game da kiyaye muhalli da kuma ci gaba da inganta aikin gine-gine, samfuran gypsum ɗin siminti ya kasance cikin sauri. A halin yanzu kayan gesso na gama-gari yana da stucco gesso, caking gesso, saita gesso, tile caking agent don jira.
Plaster wani nau'i ne na kyakkyawan ingancin bangon ciki da kayan aikin rufin rufin, tare da shi don goge bangon yana da laushi kuma mai santsi, kada ku sauke foda, kuma haɗin tushe da tabbaci, babu fashewar sabon abu, kuma yana da aikin rigakafin wuta; Adhesive gypsum sabon nau'i ne na ginin katako mai haske, gypsum a matsayin kayan tushe, da nau'o'in addittu da aka yi da kayan ƙwanƙwasa, ya dace da kowane nau'i na kayan ginin bango na inorganic, tare da maras guba, maras dadi, da wuri. ƙarfi da sauri saitin, haɗin gwiwa shine ginin gini, toshe kayan tallafi na gini; Gypsum dinki mai cike da kayan kwalliya shine farantin gypsum tsakanin kayan cika gibin da bango, cikewar tsaga.
Wadannan samfuran gypsum suna da kewayon ayyuka daban-daban, ban da gypsum da filaye masu alaƙa da su don taka rawa, babban batun shine ƙarin ƙari na ether cellulose yana taka rawar gani. Sakamakon gesso cent ba shi da ruwa gesso da rabin rabin gesso, gesso daban-daban ya bambanta da tasirin aikin samfurin, yana ƙaruwa sosai, yana kare ruwa, sannu a hankali yana daidaita ingancin da ke ƙayyade kayan gini na gesso. Matsalolin gama gari na waɗannan kayan shine fashewar drum, ƙarfin farko bai kai ba, don magance wannan matsalar, shine zaɓi nau'in matsalar hanyar amfani da cellulose da retarding wakili, a wannan yanayin, babban zaɓi na methyl ko hydroxypropyl methyl. 30000-60000cps, ƙara adadin shine 1.5 ‰-2 ‰ tsakanin, mayar da hankali ga cellulose shine riƙewar ruwa da retarding lubrication.
Duk da haka, a cikin wannan don dogara ga cellulose ether kamar yadda retarder bai kai ba, dole ne kuma ƙara citric acid retarder bayan amfani da gauraye ba zai shafi ƙarfin farko ba.
Yawan riƙe ruwa gabaɗaya yana nufin adadin asarar ruwa na halitta idan babu shayar da ruwa na waje. Idan bango ya bushe, tushen tushe yana sha ruwa kuma ƙawancen yanayi yana sa kayan suyi asarar ruwa da sauri, sannan kuma za a sami ganga mara amfani da sabon abu.
Wannan hanyar yin amfani da ita ita ce haɗuwa da busassun foda, idan shirye-shiryen bayani zai iya komawa zuwa hanyar shiri na bayani.
5. turmi mai rufi
Turmi mai hana ruwa wani sabon nau'in kayan katanga na ciki ne a arewacin China. Abun bango ne da aka haɗa ta kayan daɗaɗɗen thermal, turmi da ɗaure. A cikin wannan abu, cellulose yana taka muhimmiyar rawa wajen haɗawa da haɓaka ƙarfi. Gabaɗaya, an zaɓi methyl cellulose tare da babban danko (kimanin 10000eps), kuma adadin shine gabaɗaya tsakanin 2‰ da 3‰. Hanyar amfani da busassun foda hadawa.
6. dubawa wakili
The dubawa wakili ne HPMC20000cps, da tayal mai ɗaure ne fiye da 60000cps, da kuma dubawa wakili ne yafi amfani a matsayin thickener, wanda zai iya inganta tensile ƙarfi da kibiya ƙarfi.
Lokacin aikawa: Janairu-27-2022