Hydroxypropyl methylcellulose (HPMC) wani ether ne wanda ba na ionic cellulose ba wanda aka yi daga cellulose polymer abu na halitta ta hanyar tsarin sinadarai. HydroxypropylmethylcelluloseHPMC) wani farin foda ne mara wari, marar ɗanɗano, mara guba mara guba wanda za'a iya narkar da shi cikin ruwan sanyi don samar da bayani mai haske. Yana da Properties na thickening, dauri, dispersing, emulsifying, film-forming, suspending, adsorbing, gelling, surface aiki, rike danshi da kuma kare colloid.
Ana amfani da HPMC sosai a cikin kayan gini, sutura, resins na roba, yumbu, magunguna, abinci, yadi, noma, kayan kwalliya, taba da sauran masana'antu. Ana iya raba HPMC zuwa matakin gini, darajar abinci da kuma darajar magunguna bisa ga manufar. A halin yanzu, yawancin samfuran cikin gida sune darajar gini. A cikin aikin gine-gine, ana amfani da foda mai yawa da yawa, kimanin kashi 90% ana amfani da foda, sauran kuma ana amfani da turmi da manne.
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.
Tasirin da masana'antu daban-daban ke haifarwa sun bambanta. Misali, a cikin kayan gini na sinadarai, yana da tasirin abubuwa masu zuwa:
①Wakili mai riƙon ruwa, ②Kauri, ③ Ƙirar ƙasa, ④ Fim ɗin samar da kaya, ⑤ Mai ɗaure
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.
Aikace-aikace in bangosaka
A cikin putty foda, HPMC tana taka rawar uku na kauri, riƙe ruwa da gini.
Kauri: Za a iya kauri cellulose don dakatarwa da kuma kiyaye maganin daidai sama da ƙasa, da tsayayya da sagging.
Gina: Cellulose yana da sakamako mai lubricating, wanda zai iya sa foda na putty yana da kyakkyawan gini.
Aikace-aikace a cikin kankare turmi
Turmi da aka shirya ba tare da ƙara kauri mai riƙe da ruwa ba yana da ƙarfi mai ƙarfi, amma ƙarancin kayan riƙe ruwa, haɗin kai, laushi, zubar jini mai tsanani, rashin jin aiki, kuma ba za a iya amfani da shi ba. Don haka, abu mai kauri mai riƙe ruwa shine muhimmin sashi na turmi da aka shirya. A cikin simintin turmi, ana zaɓar hydroxypropyl methyl cellulose ko methyl cellulose gabaɗaya, kuma ana iya ƙara yawan riƙe 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. Babban riƙewar ruwa zai iya cika ruwan siminti. Ƙarfafa ƙarfin haɗin gwiwa. A lokaci guda, ana iya haɓaka ƙarfin ƙarfi da ƙarfi yadda ya kamata. Haɓaka tasirin gini sosai da haɓaka ingantaccen aiki.
Aikace-aikace a cikin tile m
1. Hydroxypropyl methylcellulose tile adhesive ana amfani dashi musamman don adana buƙatar pre-jiƙa fale-falen a cikin ruwa.
2. Daidaitaccen manna da ƙarfi
3. Ƙaƙwalwar manna shine 2-5mm, adana kayan aiki da sararin samaniya, da kuma ƙara sararin kayan ado
4. Bukatun fasaha na aikawa ga ma'aikatan ba su da yawa
5. Babu buƙatar gyara shi tare da giciye shirye-shiryen filastik kwata-kwata, manna ba zai faɗi ƙasa ba, kuma mannewa yana da ƙarfi.
6. Ba za a sami slurry mai yawa a cikin haɗin ginin tubali ba, wanda zai iya guje wa gurɓataccen bulo.
7. Ana iya manna fale-falen fale-falen yumbu da yawa tare, ba kamar nau'i-nau'i guda ɗaya na ginin siminti ba.
8. Gudun ginin yana da sauri, kusan sau 5 sauri fiye da simintin siminti aikawa, adana lokaci da inganta aikin aiki.
Aikace-aikace a cikin caulking wakili
Bugu da ƙari na ether cellulose yana sa ya zama mai kyau adhesion, ƙananan raguwa da kuma juriya mai girma, wanda ke kare kayan tushe daga lalacewa na injiniya kuma ya guje wa mummunan tasirin shiga ruwa a kan dukan ginin.
Aikace-aikace a cikin kayan matakin kai
Hana zubar jini:
Yana taka rawar gani mai kyau a cikin dakatarwa, hana slurry ajiya da zub da jini;
Kula da motsi da:
Ƙananan danko samfurin baya shafar kwararar slurry kuma yana da sauƙin aiki tare. Yana da wani ajiyar ruwa kuma zai iya haifar da sakamako mai kyau bayan matakin kai don kauce wa fashewa.
Aikace-aikacen turmi mai rufe bango na waje
A cikin wannan abu, ether cellulose yafi taka rawa na haɗin gwiwa da haɓaka ƙarfi, yana sa turmi ya fi sauƙi don sutura da inganta aikin aiki. A lokaci guda, yana da ikon tsayayya da ratayewa. Crack juriya, inganta saman ingancin, ƙara bond ƙarfi.
Bugu da ƙari na hydroxypropyl methylcellulose kuma yana da tasiri mai mahimmanci a kan mahaɗin turmi. Tare da karuwar adadin HPMC, an tsawaita lokacin saita turmi, kuma adadin HPMC yana ƙaruwa daidai da haka. Lokacin saita turmi da aka kafa a ƙarƙashin ruwa ya fi tsayi fiye da wanda aka samu a cikin iska. Wannan yanayin yana da kyau don yin famfo da kankare a karkashin ruwa. Tumin siminti da aka haɗe tare da hydroxypropyl methylcellulose yana da kyawawan kaddarorin haɗin gwiwa kuma kusan babu magudanar ruwa.
Aikace-aikace a cikin turmi gypsum
1. Inganta yawan yaduwar gypsum tushe: Idan aka kwatanta da irin wannan hydroxypropyl methylcellulose ether, yawan yaduwar ya karu sosai.
2. Filayen aikace-aikacen da sashi: gypsum plastering ƙasa mai haske, adadin da aka ba da shawarar shine 2.5-3.5 kg / ton.
3. Kyakkyawan aikin anti-sagging: babu sag lokacin da aka yi amfani da ginin wucewa ɗaya a cikin yadudduka mai kauri, babu sag lokacin da aka yi amfani da shi fiye da wucewa biyu (fiye da 3cm), kyakkyawan filastik.
4. Kyakkyawan haɓakawa: sauƙi da santsi lokacin rataye, ana iya ƙera su a lokaci ɗaya, kuma yana da filastik.
5. Kyakkyawan ajiyar ruwa mai kyau: tsawaita lokacin aiki na tushe na gypsum, inganta yanayin juriya na gypsum tushe, ƙara ƙarfin haɗin gwiwa tsakanin gypsum tushe da tushe Layer, kyakkyawan aikin haɗin gwiwar rigar, da rage saukowa ash.
6. Ƙarfafawa mai ƙarfi: Ya dace da kowane nau'in tushe na gypsum, rage lokacin nutsewa na gypsum, rage raguwar bushewa, kuma bangon bango ba shi da sauƙi a fashe da fashe.
Aikace-aikacen wakilin dubawa
Hydroxypropylmethylcellulose (HPMC) da hydroxyethylmethylcellulose (HEMC) ana amfani da ko'ina a cikin kayan gini,
Lokacin da aka yi amfani da shi azaman wakilin dubawa don bangon ciki da na waje, yana da halaye masu zuwa:
- Sauƙi don haɗuwa ba tare da lumps ba:
Ta hanyar haɗuwa da ruwa, raguwa a lokacin aikin bushewa yana raguwa sosai, yana sa haɗuwa da sauƙi da adana lokacin haɗuwa;
- Kyakkyawan riƙe ruwa:
Mahimmanci yana rage danshin da bango ya sha. Tsayawa mai kyau na ruwa zai iya tabbatar da tsawon lokacin shirye-shiryen ciminti, kuma a gefe guda, yana iya tabbatar da cewa ma'aikata na iya goge bangon bango sau da yawa;
- Kyakkyawan kwanciyar hankali na aiki:
Kyakkyawan riƙewar ruwa a cikin yanayin zafi mai zafi, dace da aiki a lokacin rani ko wurare masu zafi.
- Ƙara yawan buƙatun ruwa:
Mahimmanci yana ƙara buƙatar ruwa na kayan sakawa. Yana ƙara lokacin sabis na putty akan bangon, a gefe guda, zai iya ƙara yankin da aka rufe na putty kuma ya sa tsarin ya fi tattalin arziki.
Aikace-aikace a cikin gypsum
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. Ginin bangon da aka yi da shi yana da kyau kuma yana da santsi, baya rasa foda, yana da alaƙa da tushe, ba shi da tsagewa da fadowa, kuma yana da aikin hana wuta;
Gypsum m sabon nau'in manne ne don gina allon haske. An yi shi da gypsum azaman kayan tushe da ƙari daban-daban.
Ya dace da haɗin kai tsakanin daban-daban kayan bangon ginin inorganic. Yana da halaye na mara guba, maras ɗanɗano, ƙarfin farko da saiti mai sauri, da haɗin gwiwa mai ƙarfi. Abu ne mai goyan baya don allon gini da ginin toshe;
Gypsum caulk shine mai tazara tsakanin allunan gypsum da mai gyaran 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.
Aikace-aikace a cikin launi na latex
A cikin masana'antar fenti na latex, ya kamata a zaɓi hydroxyethyl cellulose. Babban ƙayyadaddun ƙayyadaddun matsakaici na danko shine 30000-50000cps, wanda yayi daidai da ƙayyadaddun HBR250. Matsakaicin maƙasudin shine 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. .
Lokacin aikawa: Dec-13-2022