Cellulose ether wani nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i ne wanda ba na ionic ba. Yana da kaddarorin masu narkewa da ruwa iri biyu. 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: ①Wakili mai rike ruwa ② Kauri ③ Matakan ④ Fim-fasa ⑤ Binder; a cikin masana'antar PVC, yana da emulsifier da rarrabawa; a cikin masana'antar harhada magunguna, yana da ɗaure kuma Saboda cellulose yana da tasirin haɗakarwa iri-iri, kuma shine mafi yawan amfani da shi. Da ke ƙasa zan mayar da hankali kan amfani da aiki na ethers cellulose a cikin kayan gini na 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 kauri, hana gelation pigment, taimakawa watsawar pigment, latex, da kwanciyar hankali, kuma yana iya haɓaka danko na abubuwan haɗin gwiwa kuma yana ba da gudummawa ga haɓaka aikin gini: 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 guda uku masu zuwa:
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 da ake amfani da su sune kamar haka: ① Ƙara wani adadin ruwa mai tsabta a cikin akwati tare da babban mai tayar da hankali ② Fara motsawa akai-akai a ƙananan gudu, kuma a lokaci guda a hankali kuma a ko'ina ƙara ƙungiyar hydroxyethyl a cikin bayani ③ Ci gaba da motsawa. har sai an jika duk kayan granular ta hanyar ④ Ƙara sauran additives da alkaline additives, da dai sauransu. narkar da, Ƙara sauran sinadaran da ke cikin girke-girke da niƙa har sai an gama.
Ⅱ. An sanye shi da mama:
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 daidai yake da matakan ①-④.
Ⅲ. Don shirya kaddarorin masu kama da porridge:
Tun da kwayoyin kaushi ne matalauta kaushi (insoluble) ga hydroxyethyl kungiyoyin, porridges za a iya tsara tare da wadannan kaushi. Abubuwan da aka fi amfani da su na kwayoyin halitta sune kwayoyin ruwa a cikin nau'ikan fenti, irin su ethylene glycol, propylene glycol da tsoffin fina-finai (kamar 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, goge bangon bango
A halin yanzu, abin da ke da alaƙa da muhalli wanda ba shi da ruwa kuma mai jurewa a mafi yawan biranen ƙasar ta mutane sun sami darajar gaske. A cikin 'yan shekarun da suka gabata, saboda abin da aka yi da mannen gini yana fitar da iskar formaldehyde kuma yana lalata lafiyar mutane, an yi mannen gini da polymer An shirya shi ta hanyar amsawar acetal na barasa vinyl da formaldehyde. Sabili da haka, mutane suna kawar da wannan abu a hankali, kuma ana maye gurbin samfuran ether na cellulose da wannan abu, wato, haɓakar kayan gini na muhalli, cellulose shine kawai abu a halin yanzu.
A cikin ruwa mai jure ruwa, an raba shi zuwa busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun ruwa da kuma manna da ake sakawa a cikin ruwa. Daga cikin waɗannan nau'ikan putty guda biyu, methyl cellulose da aka gyara da kuma hydroxypropyl methyl ana zaɓi gabaɗaya. Ƙididdigar danko gabaɗaya tsakanin 30000-60000cps. Babban ayyuka na cellulose a cikin putty shine 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 calcium, farin ciminti, da dai sauransu, da kuma wasu su ne gypsum foda, launin toka alli, haske calcium, da dai sauransu, don haka biyu dabara zabi cellulose bayani dalla-dalla, danko da shigar azzakari cikin farji. . Adadin kari shine kusan 2‰-3‰.
A cikin ginin bangon bango na gogewa, saboda tushen bangon bangon yana da wani shayarwar ruwa (yawan shayarwar bangon bulo shine 13%, kuma adadin ruwan sha na siminti shine 3-5%), haɗe tare da. da evaporation na waje duniya, idan putty rasa ruwa da sauri , zai kai ga fasa ko foda cire da sauran al'amurran da suka shafi, game da shi ya raunana ƙarfi na putty. A saboda wannan dalili, ƙara cellulose ether zai magance wannan matsala. Amma ingancin filler, musamman ingancin sinadarin calcium, shima yana da mahimmanci. Saboda cellulose yana da danko mai yawa, yana kuma kara haɓaka buoyancy na putty, yana guje wa sagging yayin gini, kuma yana da daɗi da kuma ceton aiki bayan gogewa.
3. Kankare turmi
A cikin kankare turmi, don samun ƙarfin ƙarshe na gaske, simintin dole ne ya kasance da ruwa gabaɗaya, musamman a lokacin aikin rani, turmin simintin yana rasa ruwa da sauri, kuma ana ɗaukar matakan cikakken hydration don kulawa da yayyafa ruwa. Almubazzaranci da aiki maras dacewa, mabuɗin shine cewa ruwa yana kan saman ne kawai, kuma ruwan cikin gida har yanzu bai cika ba, don haka maganin wannan matsala shine ƙara hydroxypropyl methyl cellulose ko methyl cellulose a cikin simintin turmi. Ƙididdigar danko tsakanin 20000-60000cps, adadin ƙarin shine game da 2 ‰-3 ‰, kuma ana iya ƙara yawan ajiyar ruwa zuwa fiye da 85%. Hanyar da ake amfani da ita a cikin kankare turmi shine a hada busasshen foda daidai gwargwado sannan a zuba ruwa.
4. A cikin plastering plaster, bonding plaster da caulking plaster
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 sun haɗa da gypsum plaster, gypsum bonding, gypsum inlaying, tile m da sauransu.
Plaster Stucco wani nau'i ne na kayan shafa mai inganci don bangon ciki da rufin. Ganuwar da aka yi da shi suna da kyau kuma suna da santsi, kada ku sauke foda, ɗaure da ƙarfi ga ma'auni, ba su da fashewa kuma sun fadi, kuma suna da tsayayyar wuta; bonding plaster wani nau'i ne na filasta. Wani sabon nau'in ginin katako mai haske shine kayan da aka yi da gypsum a matsayin kayan tushe kuma yana ƙara nau'i daban-daban. Ya dace da haɗin kai tsakanin kayan bangon ginin inorganic daban-daban. Ba shi da guba, maras ɗanɗano, Yana da halaye na ƙarfin farko, saiti mai sauri da haɗin kai mai ƙarfi, kuma kayan tallafi ne don gina allon gini da tubalan;
Wadannan samfurori na gypsum suna da jerin ayyuka daban-daban, ban da rawar gypsum da masu cikawa masu alaƙa, mahimmancin batu shine cewa ƙarar ether cellulose auxiliary yana taka muhimmiyar rawa. Tun da gypsum ya kasu kashi anhydrite da hemihydrate gypsum, gypsum daban-daban suna da tasiri daban-daban akan aikin samfurin, don haka thickening, riƙewar ruwa da retardation suna ƙayyade ingancin kayan gini na gypsum. Matsalar gama gari na waɗannan kayan ita ce fashe fashe, kuma ƙarfin farko ba zai iya isa ba. Don magance wannan matsala, shine matsalar zabar nau'in cellulose da kuma hanyar amfani da kayan aiki na retarder. Dangane da wannan, methyl ko hydroxypropyl methyl 30000 an zaɓi gabaɗaya. -60000cps, adadin ƙarin yana tsakanin 1.5 ‰-2 ‰, mayar da hankali ga cellulose shine riƙewar ruwa, jinkirtawa da lubrication.
Duk da haka, ba zai yiwu a dogara da ether cellulose a matsayin mai retarder ba, kuma wajibi ne a ƙara citric acid retarder don haɗuwa da amfani da shi don kada ƙarfin farko ya shafi.
Yawan riƙe ruwa gabaɗaya yana nufin asarar ruwa ta yanayi idan babu shayar da ruwa na waje. Idan bango ya bushe sosai, shayarwar ruwa da ƙawancen yanayi a saman tushe zai sa kayan ya yi asarar ruwa da sauri, kuma fashewa da fashe kuma zai faru.
Ana haxa wannan hanyar amfani da busassun foda. Idan an shirya bayani, da fatan za a koma zuwa hanyar shirye-shiryen maganin.
5. Turmi mai rufi
Turmi mai hana ruwa wani sabon nau'in kayan kariya na bangon ciki ne a yankin arewa. Abun bango ne wanda ya ƙunshi kayan daɗaɗɗen thermal, turmi da ɗaure. A cikin wannan abu, cellulose yana taka muhimmiyar rawa wajen haɗawa da ƙara ƙarfi. Gabaɗaya zaɓi methyl cellulose tare da babban danko (kimanin 10000eps), sashi shine gabaɗaya tsakanin 2 ‰-3‰), kuma hanyar amfani shine busasshen hadawar foda.
6. Interface wakili
Wakilin mu'amala shine HPNC20000cps, kuma mannen tayal ya fi 60000cps. A cikin wakilin dubawa, ana amfani dashi galibi azaman mai kauri, wanda zai iya haɓaka ƙarfin ƙarfi da juriya na kibiya.
Lokacin aikawa: Nov-02-2022