Carboxymohylcelcellulose (CMC) mai yawan amfani amfani da amfani sosai a masana'antu daban daban-daban kamar abinci, magunguna, tarko, da kuma ma'adinai. An samo shi ne daga sel na halitta, wanda yake mai yawa a cikin tsirrai da sauran kayan na halittu. Cmc polymer ruwa mai narkewa tare da kaddarorin musamman wanda ya haɗa da danko, hydration, m da adhesion.
Halayen CMC
CMC ta zama mai lalacewa ne wanda aka gyara ta hanyar gabatar da kararraki na Carboxymethyl a cikin tsarinsa. Wannan gyaran yana inganta karancin karfin fata da hydrophilicity na selulose, don inganta aiki. Abubuwan da ke cikin CMC sun dogara da matsayin canji (DS) da nauyin kwayoyin (MW). DS an ayyana shi azaman matsakaiciyar adadin ƙungiyoyin Carboxymethyl a kowace ɓangaren glucose a cikin rarar selulo, yayin da MW ya nuna girman da rarraba sarƙoƙin pelymer.
Ofaya daga cikin mahimman kaddarorin na CMC shine karfinsa na ruwa. CMC yana sauƙaƙawa cikin ruwa, yana haifar da maganin viscous tare da psenudoplic properties. Wannan yanayin rheuntercular tsakanin compulated tsakanin cmpcules na CMP, wanda ya haifar da raguwa a cikin danko a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa a ƙarƙashin ƙarfin damuwa. Matsakaicin yanayin yanayin CMC na sa ya dace da su ya dace da ɗabi'a daban-daban kamar thickeners, masu hana suna, da wakilan dakatarwa.
Wani muhimmin halayyar CMC shine ikon samar da fim ɗin. Za'a iya jefa mafita ta CMC cikin finafinai tare da kyakkyawan kayan aikin injin, nuna gaskiya, da sassauci. Wadannan fina-finai za a iya amfani da su kamar yadda suttura, laminates da kayan marufi.
Bugu da kari, CMC tana da bonding mai kyau da kuma haɗin kaddarorin. Yana samar da karfi hadari tare da daban-daban saman, ciki har da itace, karfe, filastik da masana'anta. Wannan dukiyar ta haifar da amfani da CMC a cikin samar da mayafin, adhersiyawa da inks.
Danko mai danko
Daskararre na mafita na maganganu sun dogara da abubuwa da yawa masu kamar taro, DS, MW, zazzabi, da ph. Gabaɗaya, hanyoyin mafita yana nuna mafi girma viscosities a mafi girma maida hankali, DS, da MW. Musamman kuma yana ƙaruwa tare da rage zafin jiki da pH.
Dangin Magana na CMC yana sarrafawa ta hanyar ma'amala tsakanin sarƙoƙin polymer da kuma hanyoyin da zasu watsa su a cikin mafita. Kwayoyin kwayoyin halitta suna ma'amala da kwayoyin ruwa ta hanyar hydrogen shaidu, suna samar da harsashi hydring a kusa da sarƙoƙin polymer. Wannan harsashi hydration yana rage motsi na sarƙoƙi na polymer, ta hakan ƙara danko na mafita.
Halin al'adar rheological na masana'antar CMC yana sanannuwa ta hanyar masu jan hankali, wanda ke bayyana alaƙar da ke tsakanin ƙarfin da aka samu. Maganin CMC na nuna halayyar da ba Newtian ba ne, wanda ke nufin cewa danko na danko. A low gwarzo rates, danko na CMC mafita ya fi girma, yayin da a yawan adadin karfi, danko ya ragu. Wannan halayyar thinning ita ce saboda silin polymer sarai da shimfiɗa a ƙarƙashin tsananin damuwa, sakamakon shi ya rage goyon baya tsakanin sarƙoƙi da raguwar danko.
Aikace-aikacen CMC
An yi amfani da CMC sosai a cikin filaye daban-daban saboda na musamman kaddarorin sa da halayen rheological. A cikin masana'antar abinci, ana amfani da cmc azaman mai kauri, mai tsafta, emulsifier da kamuwa da cuta. An kara shi a abinci kamar kankara, da sha, biredi da gasa kaya don inganta kayan aikinsu, daidaito da adlf rayuwa. CMC kuma yana hana samuwar lu'ulu'u na kankara a cikin abinci mai sanyi, wanda ya haifar da samfurin, mai tsami.
A cikin masana'antar masana'antu, ana amfani da CMC azaman mai ban sha'awa, disantargrant da wakilin saki a cikin tsarin kwamfutar hannu. Inganta rafin da kuma samun foda da tabbatar da daidaituwa da kwanciyar hankali na allunan. Saboda abubuwan mucamhere da kuma manufofin bioaddheive, ana amfani da CMC azaman compifies a OPHThimMM, hanci, da kuma farfado.
A cikin masana'antar takarda, ana amfani da CMC azaman mai girbi na ƙarewa, shafi mai ban sha'awa da siz da m labarai wakili. Yana inganta jikoki na UBERP da magudanar takarda, da yawa, kuma yana ba da santsi da laushi. CMC kuma yana aiki azaman ruwa da kuma shingen mai, yana hana tawada ko wasu masu taya ta shiga cikin takarda.
A cikin masana'antar maraƙi, ana amfani da CMC azaman wakili wakili, buga Thickener, da kuma fenti auxilary. Yana inganta adon fiber na fiber na fiber na fiber na fiber da gyarawa, kuma yana rage tashin hankali da wrinkles. CMC kuma ba da taushi da taurin kai ga masana'anta, ya danganta da DS da MW na polymer.
A cikin masana'antar hakar gwal, ana amfani da CMC azaman mai tasowa, masu sahihiyar da rhororier mai daidaito a cikin aikin ma'adinai. Yana inganta daidaitawa da kuma tacewa na daskararru, rage rage rabuwa da gwangwani na kwal, kuma yana sarrafa dankan dakatarwa da kwanciyar hankali. CMC kuma ya rage tasirin yanayin tsabtace muhalli ta rage yawan magungunan guba da ruwa.
A ƙarshe
CMC mai matukar awo ne mai mahimmanci wanda ke nuna kaddarorin musamman da kuma dangantakar da ruwa da ruwa. Don ƙarin ƙarfinsa, iko-forming, ɗauri da adhesion Propertiation Saka dacewa da aikace-aikace daban-daban a cikin abinci, magunguna, triile da scopersan wasan kwaikwayo. Daskararre hanyoyin mafita na CMC za a iya sarrafa shi ta hanyar dalilai da yawa, kamar taro, DS, MW, zazzabi, kuma ana iya bayyanar da halayyar sa ta hanyar ƙarfin hali. CMC tana da tasiri mai kyau akan inganci, ƙarfin samfuran samfurori da tafiyar matakai, yin wani ɓangare na masana'antar zamani.
Lokaci: Satumba 25-2023