A cikin turmi-hade-hade na shirye-shiryen cellulose, ƙararrawa na sel ya ragu sosai, amma zai iya inganta aikin turmi, kuma babban ƙari ne wanda ke shafar aikin ginin. Zaɓin mai ma'ana na sile masu yawan nau'ikan, vers daban-daban, masu girma dabam, masu girma dabam.
A halin yanzu, masonry da plastering macen da ke da ƙarancin ruwa na riƙe ruwa, da kuma slurry ruwa zai raba bayan 'yan mintina na tsaye. Rediyon ruwa shine muhimmiyar aikin prelululose ethhyl, kuma shi ma aikin da ake fitowa da yawa masana'antun metho, musamman waɗanda a cikin yankuna yankuna da ke kud da yawa tare da yanayin zafi, kula da. Abubuwan da suka shafi sakamakon riƙewar ruwa na bushe Mix ya haɗa da adadin MC, da kariyar barbashi MC, fa'idar barbashi da yawan zafin jiki na yanayin amfani.
1. Tunani
Ellyling eth ether ne mai narkewa na roba da aka yi daga sel na halitta ta hanyar gyara sunadarai. Cellulose eth eth eth eth ethuwa ne na allo na halitta. Samar da eth eth ether ya bambanta da polymers na roba. Abu mafi kyau kayan sile ne cellulose, fili na halitta. Saboda ƙwararren keɓaɓɓiyar ƙwayar ƙwayar halitta, sel kanta ba ta da ikon yin amsawa tare da wakilai na extomation. Koyaya, bayan lura da wakilin kumburi, da karfi hydrogen hade tsakanin sarƙoƙi na shinkroxyl ya zama mai amfani da alkirli mai zuwa. Sami ether.
Abubuwan da ke na ƙirar sel masu kafa suna dogaro da nau'in, lamba da rarraba masu maye. Hakanan rarrabe sel ELES ita ma aka danganta da irin saƙo, digiri na Eteratation, ƙila da kuma kayan aikin aikace-aikace. Dangane da nau'in masu maye a kan sarkar kwayoyin, ana iya kasu kashi Monoether kuma gauraya ether. Yawancin lokaci muna amfani da MC a matsayin Monoether, da PMC kamar yadda aka gauraya. PRELY ELARTHUT MC shine samfurin bayan rukunin Hydroxyl akan rukunin glucose na ƙungiyar selululose ta maye gurbin rukuni na Metoxy. Samfurin da aka samo ta hanyar sauya wani ɓangare na ƙungiyar hydroxyl akan rukunin tare da ƙungiyar metoxypyl. Tsarin tsari shine [c6h7o2 (oh) 3-mn (oh3ch (oh) ch3]
A cikin sharuddan solubility, ana iya raba shi zuwa ionic da ba ionic. Ruwa mai narkewa ba shi ne na Eionic ELEST Ionic cmc akalla ake amfani dashi a cikin kayan wanka na roba da bushewa, abincin abinci da mai. Wanda ba ionic MC ba, PMC, HEMC, da dai sauransu a cikin kayan gini, magunguna, sunadarai na yau da kullun, warkewar riƙe da fim ɗin.
2. Rage ruwa na sel
Rufin Ruwa na Emher: A cikin samar da kayan gini, musamman m bushewar kayan aiki, crassing eter m (musamman turɓaya ne na turmi (ingantaccen abu ne kuma mai mahimmanci.
Muhimmin matsayi na sel mai narkewa a cikin turmi na turmi yana da fannoni uku, ɗayan yana da ƙarfin turmi da kuma na uku shine hulɗa da ciminti. Sakamakon riƙe da ruwa na ƙwayar celulose ya dogara da shayar da ke ciki, da kuma lokacin da turmi, da lokacin buƙatar tsarin saiti. Rufin Ruwa na Eleulose Elther kanta ta fito daga narkewa da fitilar sel a kanta. Kamar yadda dukkanmu muka sani, kodayake kwayoyin kwalin kwayoyin halitta ta ƙunshi babban adadin hydrable ohungiyoyi, ba a narkewa cikin ruwa ba, saboda tsarin selulose yana da babban digiri na lu'ulu'u.
Iyakar hydryl na Hydroxyl su kadai bai isa ya rufe pains mai ƙarfi da kuma sojojin Van Warals ba tsakanin kwayoyin. Saboda haka, kawai ya kumbura amma ba ya narke cikin ruwa. Lokacin da aka gabatar da m a cikin sarkar kwayoyin, ba kawai m sarkar sarkar ba ne, har ma da Intercain hydrogen an lalata shi saboda lokacin da ake maye gurbin tsakanin sarƙoƙi mai sauƙi. Babban m, mafi girma nesa tsakanin kwayoyin. Mafi girma daga nesa. Mafi girma sakamakon lalata shaidu na hydrogen, ethulose iretanel ya zama mai narkewa bayan an samar da mafita da mafita. Lokacin da zazzabi ya tashi, hydration na polymer rauni, kuma ruwan tsakanin sarƙoƙi ya motsa. Lokacin da isasshen haske ya isa, kwayoyin sun fara tara, suna samar da gel uku na gel uku da aka nada. Abubuwan da suka shafi kawar da ruwa na turmi sun hada da danko na ethule ether, wanda aka kara, da darajar barbashi da yawan zafin jiki.
Babban danko na ethulu ether, mafi kyawun aikin ribar ruwa. Daraja muhimmin sigar MC na MC. A halin yanzu, masana'antun MC daban-daban suna amfani da hanyoyi daban-daban da kayan aiki don auna danko na MC. Babban hanyoyin sune Rotovisko, Hopler, Ublorhde da Brookfield. Don samfurin iri ɗaya, sakamakon danko ya auna ta hanyoyi daban-daban sun sha bamban, kuma wasu ma sun ninka bambance-bambance na biyu. Saboda haka, lokacin kwatanta danko, dole ne a aiwatar da shi tsakanin hanyoyin wannan hanyoyin, gami da zazzabi, da sauransu.
Gabaɗaya magana, mafi girman danko, mafi kyawun aikin riƙewar ruwa. Koyaya, mafi girman danko da kuma mafi girman nauyin kwayar halittar MC, raguwa mai dacewa a cikin karancin sa zai sami tasiri mara kyau akan ƙarfin da aikin ginin aikin na turmi. Mafi girman danko, mafi bayyane na tasirin thickening a kan turmi, amma ba daidai gwargwado. A mafi girma danko, mafi viscous rigar turmi zai zama, wato, a lokacin gini, an bayyana shi kamar yadda yake mai da scraper da kuma babban m ga scrate. Amma ba shi da taimako don ƙara yawan ƙarfin tsarin turmi da yake. Yayin gini, aikin gona na adawa ba a bayyane yake ba. A akasin wannan, wasu matsakaici da ƙarancin danko amma an gyara shi methyl sililululose Ehers suna da kyakkyawan aiki na turmi na rigar ruwa.
Mafi girma adadin ether kara da kara zuwa turmi, mafi kyawun aikin riƙewa, da kuma mafi girman danko, mafi kyawun aikin ribar ruwa.
Dangane da girman barbashi, da finer da barbashi, mafi kyawun riƙe ruwa. Bayan manyan barbashi na ether za su shiga cikin ruwa, saman nan da nan hanzarta da kuma samar da gel don hana kayan shayar daga ci gaba da infiltrate. Wani lokacin ba za a iya watsa shi ba kuma a taƙaita ko daɗe ko da bayan motsawa na dogon lokaci, yana haifar da matsanancin ƙage ko agglomeration. Yayi tasiri sosai Ruwan ruwayar sel, da kuma warwarewar shine ɗayan dalilai don zaɓin pel.
Kyakkyawan shima muhimmin aikin aikin methyl pelulullulose ether. MC da aka yi amfani da shi don bushewar wutar da ake buƙata don zama foda, tare da ƙarancin abun ciki, da kuma kyakkyawan kuma yana buƙatar 20% ~ 60% na girman barbashi don zama ƙasa da 63% girman barbashi don zama ƙasa da 63. Kyakkyawan yana shafar maganin ƙwayoyin cutar methyl. M mc yawanci granadular, kuma yana da sauƙin narkewa cikin ruwa ba tare da agglomeration ba, saboda haka bai dace da amfani da bushe ba. A cikin bushewar ciyawar, MC an watsa shi tsakanin kayan cocin kamar yadda aka tara shi, filler kawai, kuma kyakkyawan isasshen foda yana iya guje wa sel mai kyau, kuma kawai lafiya lokacin hadawa da ruwa. Lokacin da MC an ƙara shi da ruwa don soke agogon agoglomerates, yana da wahalar ƙaura da narke da narke.
M presation na MC ba kawai ɓacewa ba ne kawai, amma kuma yana rage ƙarfin na gida na turmi. Lokacin da irin wannan bushewar ta turmi a cikin babban yanki, saurin saurin busassun gida zai rage muhimmanci sosai, da fasa zasu bayyana saboda lokuta daban-daban. Don turmi mai fesa tare da ginin na inji, buƙatun fa'idodin ya fi girma saboda gajeriyar lokacin haɗawa. Darajar MC kuma tana da wani tasiri a riƙe ta ruwa. Gabaɗaya magana, don sel na methyl 3 achers suna tare da irin danko ɗaya amma fare daban-daban, a ƙarƙashin adadin da ake amfani da shi mafi kyau.
Rufin Ruwa na MC yana da alaƙa da zazzabi da aka yi amfani da shi, da kuma riƙe ruwa na sel metyl ether na raguwa tare da karuwar zazzabi. Koyaya, a cikin Aikace-aikacen Abinci, bushewar foda yana amfani da matsanancin saƙo a cikin rana a cikin rana, wanda sau da yawa yana haɓaka ɗaukar ciminti da kuma harbin bushewar jiki. Rage raguwar riƙewar ruwa yana kaiwa ga bayyananniyar jin cewa duka aiki da cackable juriya an shafa shi, kuma yana da matukar muhimmanci don rage rinjayar da abubuwan da suka faru na zazzabi a ƙarƙashin wannan yanayin.
Ko da yake methyl hydroxyl Hydroxyl pel sel a halin yanzu ana ɗaukarsa ya kasance a kan gaba na Fasaha na Fasaha, Dogarowar su har yanzu zai haifar da rauni na bushewar crewar bushe. Duk da cewa yawan selyl hydroxyl pelyl pelyl sel methulose ne ya karu (tsarin bazara), aikin aiki da crackable resistance har yanzu ba zai iya biyan bukatun amfani ba. Ta hanyar wasu magani na musamman akan MC, kamar su ƙara yawan haɓaka, da sauransu, ana iya kiyaye tasirin riƙewar ruwa a zazzabi mafi girma, saboda yana iya samar da ingantacciyar aiki a cikin mawuyacin yanayi.
Lokacin Post: Mar-04-2023