Abincin yana wasa mahimman mahimmancin aiwatar da ginin mai canzawa, amma ƙari na turmi mai canzawa yana haifar da kayan maye gurbin tugun-gauraye da yawa, wanda asusunku na sama da 40% na Farashin kayan a cikin matsanancin tilastawa.
Dangane da dalilai na sama, wannan nazarin rubutun ne kuma yana kwatanta wasu abubuwan ƙa'idodin abubuwan da aka saba amfani da su ta hanyar hadewar kayayyaki.
1. Wakili mai riƙe da ruwa
Wakilin riƙe da wakili shine mabuɗin don inganta aikin riƙewa na ruwa mai gauraya-dillalin, kuma yana kuma ɗayan manyan mahimman kayan maye gurbin busassun kayan maye.
1.1 Elat Eber
Elethulose ether shine gaba ɗaya kalmar don jerin samfuran samfuran da aka samar da amsawar alkali sel selulose da Eter Eterate a ƙarƙashin wasu halaye. An maye gurbin alkali na alkali ta alkalate daban-daban don samun fasel daban-daban. Dangane da kayan adon ionization na m, pherulose za a iya raba su zuwa rukuni biyu: ionic (kamar yadda sel akwatin cokali) da kuma ionic pellulose). Dangane da nau'in m, ether ether za a iya raba shi zuwa Monoether (kamar sel na methyl) da kuma gauraye ether methyl selululose). A cewar daban-daban solubability, ana iya raba shi zuwa cikin ruwa-narkewa (kamar sel mai narkewa) da ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta), da kuma Ethyl bushe turɓaya ne na ruwa mai narkewa, da kuma sel mai narkewa ne. An raba zuwa nau'in kai tsaye da kuma aka kula da yanayin rushewar rushewa.
Hanyar aiwatar da aikin sel na ether a turmi kamar haka:
(1) Bayan an narkar da sel a cikin turmi, mai amfani da uniformationarancin rarraba kayan a cikin tsarin, kuma ether na santsi, "a matsayin mai kariya barbashi da lubricating fim an kafa shi a cikin waje na waje, wanda ke sa tsarin turmi ya fi tsoratar da turmi yayin aiwatar da haɗuwa.
(2) Saboda tsarin kwayoyin halitta, maganin Elet Eret yana sa ruwa a cikin turmi ba mai sauƙin rasa, kuma sannu a hankali turmi tare da riƙe ruwa da aiki.
1.1.1 Magunguna na Kwayoyin Slethyl (MC) [C6H7O2 (OH) 3-H (och3) n] x
Bayan an sake shi a auduga mai gyara tare da alkali, ether ether ana samar da shi ta jerin halayen da na methane chloride a matsayin wakili extomation. Gabaɗaya, matsayin canjin canji shine 1.6 ~ 2.0, kuma sifa ce da daban-daban digiri daban-daban. Yana cikin ethulule ether ether.
(1) Methylcellulose yana da narkewa a cikin ruwan sanyi, kuma zai zama da wahala a narke cikin ruwan zafi. Maganin ta ruwa mai ruwa yana da kwanciyar hankali a cikin kewayon pH = 3 ~ 12. Yana da dacewa da kyau tare da sitaci, guar gum, da sauransu da surfacits da yawa. Lokacin da zazzabi ya kai yawan zafin jiki, gection faruwa.
(2) Ruwan riƙe sel methyl ya dogara da ƙwararrun adadin sa, danko, ƙarancin barbashi da rushewa. Gabaɗaya, idan adadin ƙari ne babba, ƙimar ƙarami ne, kuma ƙwararrun yana da yawa, ragin riƙe ruwa mai girma. Daga gare su, yawan ƙari yana da tasiri mafi girma a kan ƙididdigar riƙe ruwa, kuma matakin danko ba daidai gwargwado ga matakin riƙe mai riƙe da ruwa. Ragewar da aka rushe ya dogara da digiri na gyaran farfajiya na barbashi mai ɗorewa da ƙimar ƙarancin barbashi. Daga cikin abubuwan da ke sama na Allah da ke sama, methyl sel sel da hydroxyphropyl methyl sellulose yana da babban farashin riƙewa.
(3) canje-canje a cikin zafin jiki zai shafi yawan riƙe riƙewar riƙewar ƙwayar ƙwayar ƙwayar methyl. Gabaɗaya, mafi girman zafin jiki, mafi muni da ruwa riƙe. Idan turanci zazzabi ya wuce 40 ° C, za a rage yawan sel metyl, da matukar tasiri a gina turmi.
(4) Methyl Slellulose yana da tasiri mai mahimmanci akan ginin da kuma matsar da turmi na turmi. The "Adshon" Ga wani mawuyacin karfi da ya ji tsakanin kayan aiki na ma'aikaci da bango substrate, wannan shine, garkuwar juriya na turmi. A adonani yana da girma, garkuwar garkuwar turmi yana da girma, kuma ƙarfin da ake buƙata da ma'aikatan da ake buƙata suna da girma, kuma aikin ginin ya yi kyau, kuma aikin ginin na turmi ba matalauta. Methyl Slellulose mai adhesion yana a matakin matsakaici a cikin samfuran sel eth.
1.1.2 Kayayyakin Kwarewar Hydroxypropyl methylcellulopyl methylcellulose (c6h7o2 3-mn (oh3) m, och2ch (oh) m, och2ch (oh) ch3] n] x
Hydroxypyl methyplulose ne na sel iri ne wanda fitarwa kuma ana amfani dashi da sauri a cikin 'yan shekarun nan. Pellululose ne wanda ba shi da ionic ionic Mished Mixed da aka yi daga auduga mai gyara, ta amfani da propylene oplene a matsayin wakili na ophyl, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen extomation, ta jerin halayen exterification, ta jerin halayen exterifiation, ta jerin halayen exterifiation. Matsayi na canzawa gaba daya 1.2 ~ 2.0. Abubuwan da ke da su sun sha bamban ne saboda tsararren methoxyl da hydroxypropyl abun ciki.
(1) hydroxypyl methylcellose yana sauƙin narkewa a cikin ruwan sanyi, kuma zai iya fuskantar matsaloli a cikin narkar da ruwan zafi. Amma yawan zafin jikinta a cikin ruwan zafi yana da muhimmanci sosai fiye da na sel methyl. Karatun a cikin ruwan sanyi shima ya inganta idan aka kwatanta da Methyl Pelullulose.
(2) danko na hydroxypropyl methylcellulopyl methylcellulose ne ya danganta da nauyin kwayoyin, da kuma mafi girma da nauyin kwayar halitta, mafi girma danko. Zazzabi yana shafar danko, kamar yadda zafin jiki yana ƙaruwa, danko ya ragu. Koyaya, babban dankalinta yana da ƙananan zazzabi fiye da sel metyl. Maganinta yana da kwanciyar hankali lokacin da aka adana a zazzabi a ɗakin.
(3) Ruwa na Ruwa Hydroxypropyl methylcellulopyl methylcellulose ya dogara da ƙimar ƙwararrun ta, danko, da sauransu, da kuma yawan ƙarfin riƙewar ƙwayar cuta ya fi na cellulose na Metyl.
(4) hydroxypyl methylcellulose ne ya tabbata ga acid da alkali, da maganin aqueous bayani yana da kwanciyar hankali a cikin kewayon pH = 2 ~ 12. Caustic soda da ruwan lemun tsami suna da isasshen sakamako a kan aikinsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa da kuma ƙara danko. Hydroxypyl methylcelose ne barayi ga salts na kowa, amma lokacin da maida hankali ne na gishiri bayani yana da yawa, danko na hydroxypropyl methylcellulo bayani yana ƙaruwa.
(5) hydroxypyl methylcelose za a iya gauraye da ruwa mai narkewa mai ruwa don samar da ingantaccen bayani da mafi girma. Kamar giya na polyvinyl, sitaci educh, kayan lambu gum, da sauransu.
(6) hydroxypoylyl methylcellose yafi kyau enzyme juriya da methylellulose, kuma maganinta ba zai iya lalata da enzylellose ba.
(7) Adada tasirin hydroxypropyl methylcellillililulose zuwa turmi gini ya fi na methylellullulose.
1.1.3 Hydroxyethylcelllulose (hec)
An yi shi ne daga auduga da aka girka tare da alkali, kuma an yiwa shi tare da Ethylene oxide oxide a matsayin wakili mai eThoration a gaban acetone. Matsayi na canzawa gaba daya 1.5 ~ 2.0. Yana da karfi hydrophility kuma yana da sauƙin sha danshi.
(1) Sel sel slululose yana narkewa a cikin ruwan sanyi, amma yana da wahala a narke cikin ruwan zafi. Maganinta yana da kwanciyar hankali a tsananin zafin jiki ba tare da glelling. Ana iya amfani da shi na dogon lokaci a ƙarƙashin babban zazzabi a cikin turzurrika a cikin turmi, amma riƙe ta ruwa tayi ƙasa da na sel methyl.
(2) Sel sel sel ya tabbata zuwa babban acid da alkali. Alkali na iya hanzarin rushewarsa da ɗanɗana danko. Takaitawarsa cikin ruwa ya dan kara muni da sel methyl da hydroxypropyl methyl selulose. .
(3) Sel sel: pellulose sel mai kyau yana da kyakkyawan aikin turmi, amma yana da lokaci mai tsayi don ciminti.
1.1.4 Carboxylcelllulose (CMC) [C6H7O2 (Oh) 2OH2COON] n
Ionic PRELLUOS ether an yi shi ne daga fibers na halitta (auduga, da sauransu) bayan maganin alkalium monochloroacetace a matsayin wakili na maimaitawa, kuma yana fuskantar jerin hanyoyin. Matsayi na canzawa shine gaba daya 0.4 ~ 1.4, kuma wasan kwaikwayon ya shafi tsarin canzawa.
(1) Carboxymose Carboxymeththyl shine mafi yawan hygroscopic, kuma zai ƙunshi ƙarin ruwa lokacin da aka adana a ƙarƙashin yanayin gaba ɗaya.
(2) Carboxymose na Carboxuloous bayani ba zai samar da Gel, kuma danko zai ragu tare da karuwar zazzabi ba. Lokacin da yawan zafin jiki ya wuce 50 ° C, mai danko ba zai iya yiwuwa ba.
(3) Zunanta ya sha wuya sosai. Gabaɗaya, ana iya amfani dashi a cikin turmin-na tushen gypsum, amma ba a cikin turmi da ke da tushe ba. A lokacin da sosai alkaline sosai, yana rasa danko.
(4) Kulawar ruwanta ta fi yawa daga wannan na sel methyl. Yana da sakamako mai ritaya akan turmi na gypsum kuma yana rage ƙarfinta. Koyaya, farashin ƙwayar carboxymose yana da ƙasa da ƙarancin ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwallo.
Lokacin Post: Mar-23-2023