Muhimmancin rawar da ruwa mai narkewahydroxypropyl methyl cellulose HPMCa cikin turmi yana da mahimmanci a cikin bangarori uku, ɗaya shine kyakkyawan ƙwarewar ƙwararrun ƙwararrun ruwa, biyu shine lalacewar danko da matsawa na turmi, uku shine hulɗar da ciminti. Poor ruwa riƙe turmi a cikin dukan tsari na sufuri ne mai sauki raba ruwa outflow, yada a kan surface na porous abu, mafi yawan ruwa ne mai sauki da za a sha don narkewa, samar da canji alama na turmi, turmi saukar da lalacewa na duk al'ada coagulation da kananan guda na albarkatun kasa a tsakiyar bonding don haka rage matsawa ƙarfi na masonry bango. An bayyana riƙewar ruwa na turmi ta hanyar stratification.
Mafi girma da danko nahydroxypropyl methyl celluloseHPMC, mafi kyawun aikin riƙewar ruwa, mafi kyawun danko na maganin ruwa na polymer. Tsawon da siffar sarkar kwayoyin halitta suma sun dogara ne akan adadin kwayoyin halitta na polymer (zazzabi na gilashin gilashi). Yawan ƙungiyoyin aiki kuma yana rinjayar kewayon ɗanƙoƙi.
Hydroxypropyl methyl cellulose HPMC nasa aikin riƙe ruwa daga hydroxypropyl methyl cellulose nasa solubility da kuma amfani da ruwa. Sanannen abu ne cewa cellulose ba ya narkewa a cikin ruwa saboda tsarinsa mai girma na crystalline, ko da yake sarkar kwayoyin halitta na fiber ya ƙunshi ƙungiyoyin OH masu yawan gaske.
Ƙwararrun haɗin gwiwa mai ƙarfi da ƙarfin van der Waals tsakanin sifofin kwayoyin halitta ba za a iya biyan su ba ta ikon hydration na ƙungiyoyin methyl kadai. Saboda haka, ana iya narkar da shi kawai a cikin ruwa. Lokacin da aka gabatar da kwayoyin maye, ba kawai kwayoyin maye suna lalata sarkar hydrogen ba, har ma da rugujewar abubuwan da ke cikin sarkar hydrogen ana lalata su ta hanyar maye gurbin kwayoyin da ke cikin sarkar makwabta. Mafi girman maye gurbin, mafi girman tazarar kwayoyin halitta. Mafi girman amfani da karya covalent bond. Lokacin da ma'aunin fiber na yau da kullun ya faɗaɗa, maganin ruwa ya shiga kuma hydroxypropyl methyl cellulose ya zama mai narkewar ruwa, yana haifar da maganin ruwa mai ɗanɗano sosai.
Yayin da yanayin yanayi ya tashi, hydration ɗin polymer ya zama ƙasa da tasiri kuma ana fitar da ruwa daga tsakiyar sarkar. Lokacin da aka cire isasshen ruwa, tsarin kwayoyin halitta ya taru a hankali, yana samar da hanyar sadarwa mai girma uku wanda za'a iya shimfiɗawa. Dankowa, sashi, girman barbashi da zazzabi aikace-aikace na hydroxypropyl methyl cellulose sune abubuwan da ke cutar da aikin riƙe ruwa na turmi.
Hydroxypropyl methyl cellulose danko ya kasu zuwa: danko 100,000, danko 150,000, danko 200,000.
Yadda za a zabi hydroxypropyl methyl cellulose?
100,000 danko hydroxypropyl methyl cellulose za a iya amfani da ciki bango putty foda. Tile mai ɗaure. Wakilin caulking. Tumi kankare da aka ɗaure. High tauri ba shrinkage grouting abu.
Inorganic insulation rufi turmi bayani dalla-dalla ne mafi girma, danko na 150 dubu hydroxypropyl methyl cellulose ko 200 dubu hydroxypropyl methyl cellulose. Idan zaɓin 'ya'yan itace sabo da danko shine dubu 100, samar da kwarara don rataye sabon abu cikin sauƙi.
Babban aikin methyl cellulose shine riƙewar ruwa, sannan kauri ya biyo baya. Kasance gundura da foda yaro a bangon ciki, idan yana da mafi kyawun narke ruwa da ƙarancin danko (70000-80000), har yanzu yana iya amfani. Lokacin da danko ya wuce 100,000, danko baya cutarwa ga riƙe ruwa. A cikin kerawa da samar da foda na bango na ciki, babu buƙatar zaɓar danko 200,000. Saboda danko yana da girma, yana da wuya a karce da karce da yawa.
Hydroxypropyl methyl cellulose yana amfani da danko na 100,000.
1. Injiniya aikin kankare turmi batch putty turmi.
Babban narkewar ruwa na iya yin isashshen isashshen ruwa, ƙarfin ɗigon ɗaki ya ci gaba da ƙaruwa. Hakazalika, ƙarfin damfara da Laser yankan ƙarfi matsa lamba za a iya inganta da hankali, sa'an nan inganta sa ran sakamako na ginin gini, inganta yadda ya dace.
2. Inner bango putty foda juriya.
A cikin putty, moisturizing, bonding, lubrication yana da matukar muhimmanci, don hana yawan ruwa da ke haifar da raguwa da yanayin bushewa kuma inganta haɗin ginin bangon ciki na ciki, rage raguwar rataye sabon abu a cikin gine-gine, aikin injiniyanci dangi santsi.
3. Plaster na Paris brushing jerin kayayyakin.
A cikin filastar samfuran jerin samfuran Paris, yana da babban tasirin riƙe ruwa, kauri da wetting. Don haka, yana da wani tasirin saiti na farko, wanda zai iya ƙara lokacin gini kuma yana magance matsalolin fashewa da ƙarfin matsawa na asali a cikin tsarin aikin gini.
4. Mai hana ruwa ruwa.
A matsayin muhimmin aikace-aikace na demulsifier, zai iya inganta ƙarfin ƙarfin ƙarfi da kuma yankan Laser ƙarfin matsawa, inganta shafi na surface, inganta mannewa da haɗin gwiwa ƙarfi.
5. yumbu tile m.
Babban ruwa mai narkewa bene fale-falen buraka da masana'antu sansanonin ba bukatar zama rigar ko rigar a gaba, wanda muhimmanci inganta bonding compressive ƙarfi. Lokacin ginin yana da tsawo, m da kuma uniform, ceton lokaci da ƙoƙari a cikin ginin. Bugu da kari, shi ma yana da inganci mai inganci.
6. Wakilin caulking. Trench sealant.
Fiber na HPMC tare da mannewa mai inganci, ƙananan raguwa da juriya mai girma, kiyaye kayan albarkatun ƙasa daga lalata kayan aikin masana'antu, don hana shigar da duk ayyukan gini.
7. Dc kayan kwalliya.
M bonding ikon tabbatar da high quality wurare dabam dabam tsarin na kankare da kai matakin ikon ciminti, daidaita danshi riƙe kudi don sa shi da ƙarfi da sauri da kuma rage fatattaka da kuma rufe.
8. Pain bangon masana'antu fenti na latex.
A cikin masana'antu shafi aiki da masana'antu masana'antu, methylpropyl methyl cellulose za a iya amfani da matsayin fim kafa wakili, demulsifier, demulsifier da m, don haka da cewa fim ya fi lalacewa juriya, da-proportioned shafi yi, mannewa da surface tashin hankali na pH ne daraja. inganta. Sakamakon da ake sa ran kuma yana da kyau idan aka haxa shi da kaushi na halitta. Yana da babban riƙe danshi da babban ingancin fenti.
Hydroxypropyl methyl cellulose 1500000 danko.
A tsakiyar 100,000 danko da 200,000 danko, 150,000 danko kusa da 100,000 danko.
Hydroxypropyl methyl cellulose 200,000 amfani.
A cikin kayan gini, musamman yin amfani da turmi na insulating na inorganic, abu mafi mahimmanci shine inganta haɗin kai, haɓaka tasirin ƙarfin ƙarfi, yin turmi mai sauƙi don mannewa, haɓaka haɓaka aiki. Bugu da kari, yana da anti-a tsaye liquidity sakamako. High moisturizing yi zai iya tsawanta Gudun lokaci na kankare turmi, inganta karaya juriya da anchoring, inganta surface quality, inganta mannewa.
(1) Riƙewar ruwa na methyl cellulose ya dogara da adadin adadinsa, danko, fineness barbashi da rushewar kudi. Gabaɗaya, adadin ƙari yana da girma, ƙarancin ƙarami ne, danko yana da girma, ƙimar riƙewar ruwa yana da yawa, daga cikin abin da adadin ƙari yana da tasiri mafi girma akan ƙimar ajiyar ruwa, danko da ƙimar ruwa ba ƙasa da ƙasa ba. fiye da dangantaka, da rushe kudi yafi dogara a kan surface gyara digiri da barbashi fineness na cellulose barbashi. Methyl cellulose da hydroxypropyl methyl cellulose a sama da dama cellulose ethers suna da mafi girma yawan riƙe ruwa.
Lokacin aikawa: Juni-09-2022