Focus on Cellulose ethers

Sodium Carboxymethyl cellulose kaddarorin da Tasirin Abubuwa akan CMC Dankowar

Sodium Carboxymethyl cellulose kaddarorin da Tasirin Abubuwa akan CMC Dankowar

Sodium Carboxymethyl cellulose (CMC) polymer ne da aka saba amfani dashi a cikin aikace-aikacen masana'antu daban-daban, gami da abinci, magunguna, samfuran kulawa na mutum, da wanki. Yana da ruwa mai narkewa na cellulose wanda aka samar ta hanyar amsawar cellulose tare da chloroacetic acid da sodium hydroxide. CMC yana da matukar dacewa kuma yana da kaddarorin da yawa waɗanda suka sa ya dace da aikace-aikace daban-daban. A cikin wannan labarin, za mu tattauna kaddarorin CMC da abubuwan da ke tasiri danko.

Abubuwan CMC:

  1. Solubility: CMC yana da narkewa sosai a cikin ruwa, wanda ya sa ya zama sauƙin sarrafawa da amfani a aikace-aikace daban-daban. Yana kuma iya narke a cikin wasu kaushi na halitta, kamar ethanol da glycerol, dangane da matakin maye gurbinsa.
  2. Danko: CMC shine polymer mai danko sosai wanda zai iya samar da gels a babban taro. Matsakaicin CMC yana tasiri da abubuwa daban-daban, kamar digiri na maye gurbin, maida hankali, pH, zafin jiki, da tattarawar electrolyte.
  3. Rheology: CMC yana nuna dabi'ar pseudoplastic, wanda ke nufin cewa danko yana raguwa tare da ƙara yawan raguwa. Wannan kadarorin yana da amfani a aikace-aikace inda ake buƙatar babban danko yayin aiki, amma ana buƙatar ƙaramin ɗanko yayin aikace-aikacen.
  4. Ƙarfafawa: CMC yana da ƙarfi a kan nau'in pH da yanayin zafi. Har ila yau, yana da juriya ga lalacewar ƙananan ƙwayoyin cuta, wanda ya sa ya dace don amfani da shi a cikin abinci da aikace-aikacen magunguna.
  5. Abubuwan ƙirƙirar fim: CMC na iya ƙirƙirar fina-finai na bakin ciki, masu sassauƙa lokacin bushewa. Waɗannan fina-finai suna da kyawawan kaddarorin shinge kuma ana iya amfani da su azaman sutura don aikace-aikace daban-daban.

Abubuwan da ke tasiri dankowar CMC:

  1. Digiri na maye (DS): Matsayin maye gurbin shine matsakaicin adadin ƙungiyoyin carboxymethyl a kowace naúrar anhydroglucose a cikin ƙwayoyin cellulose. CMC tare da DS mafi girma yana da matsayi mafi girma na maye gurbin, wanda ke haifar da danko mafi girma. Wannan shi ne saboda mafi girma DS yana haifar da ƙarin ƙungiyoyin carboxymethyl, wanda ke ƙara yawan adadin kwayoyin ruwa da ke daure da polymer.
  2. Hankali: Dankowar CMC yana ƙaruwa tare da haɓaka haɓakawa. Wannan shi ne saboda a mafi girma da yawa, ƙarin sarƙoƙi na polymer suna samuwa, wanda ke haifar da matsayi mafi girma na haɗuwa da ƙara danko.
  3. pH: Danko na CMC yana shafar pH na maganin. A ƙananan pH, CMC yana da danko mafi girma saboda ƙungiyoyin carboxyl suna cikin nau'in furotin kuma suna iya yin hulɗa da karfi da kwayoyin ruwa. A babban pH, CMC yana da ƙananan danko saboda ƙungiyoyin carboxyl suna cikin nau'in da ba su da tushe kuma suna da ƙarancin hulɗa da kwayoyin ruwa.
  4. Zazzabi: Dankin CMC yana raguwa tare da ƙara yawan zafin jiki. Wannan shi ne saboda a yanayin zafi mafi girma, sarƙoƙi na polymer suna da ƙarin makamashi na thermal, wanda ke haifar da matsayi mafi girma na motsi da rage danko.
  5. Matsakaicin Electrolyte: Danko na CMC yana shafar kasancewar electrolytes a cikin maganin. A babban adadin electrolyte, danko na CMC yana raguwa saboda ions a cikin maganin zai iya yin hulɗa tare da ƙungiyoyin carboxyl na polymer kuma ya rage hulɗar su tare da kwayoyin ruwa.

A ƙarshe, Sodium Carboxymethyl cellulose (CMC) wani nau'in polymer ne mai mahimmanci wanda ke nuna nau'o'in kaddarorin, ciki har da solubility, danko, rheology, kwanciyar hankali, da kayan aikin fim. Matsakaicin CMC yana tasiri da abubuwa daban-daban, kamar digiri na maye gurbin, maida hankali, pH, zafin jiki, da tattarawar electrolyte. Fahimtar waɗannan abubuwan yana da mahimmanci don haɓaka aikin CMC a aikace-aikace daban-daban.


Lokacin aikawa: Maris 14-2023
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