Focus on Cellulose ethers

Yintoni isitatshi esilungisiweyo?

Yintoni isitatshi esilungisiweyo?

Isitashi esilungisiweyo sibhekisa kwisitashi esiye satshintshwa ngokwekhemikhali okanye ngokwasemzimbeni ukuze siphucule iimpawu zayo zokusebenza kwizicelo ezithile.Isitatshi, i-carbohydrate polymer equka iiyunithi zeglucose, ininzi kwizityalo ezininzi kwaye isebenza njengomthombo omkhulu wamandla ebantwini nakwizilwanyana.Isitatshi esilungisiweyo sisetyenziswa kakhulu kwimizi-mveliso eyahlukeneyo, kuquka ukutya, amayeza, amalaphu, kunye nokwenza amaphepha.Nantsi isishwankathelo sesitatshi esilungisiweyo:

Iindlela zoLungiso:

  1. Ukuguqulwa kweMichiza: Iindlela zemichiza zibandakanya ukunyanga isitashi nge-acids, alkalis, okanye i-enzymes ukuguqula isakhiwo sayo se-molecular.Iinkqubo eziqhelekileyo zokuguqulwa kweekhemikhali ziquka i-etherification, i-esterification, i-cross-linking, i-oxidation, kunye ne-hydrolysis.
  2. Ukuguqulwa koMzimba: Iindlela zomzimba zibandakanya unyango lomatshini okanye olushushu ukuguqula iipropathi ezibonakalayo zesitashi ngaphandle kokuguqulwa kweekhemikhali.Ezi ndlela ziquka ukufudumeza, ukucheba, i-extrusion, kunye ne-crystallization.

Iinkcazelo Ngeempawu Zesitatshi Esilungisiweyo:

  • Ukutyeba kunye nokuGelling: Isitatshi esilungisiweyo sibonisa ukutyeba okuphuculweyo kunye neepropathi zegelling xa kuthelekiswa nesitatshi semveli, zizenza izongezo ezixabisekileyo kwiimveliso zokutya ezinje ngeesosi, isuphu, iigravies, kunye nezimuncumuncu.
  • Ukuzinza: Isitatshi esilungisiweyo sinokuba nozinzo oluphuculweyo kwizinto ezifana nobushushu, iasidi, ukucheba, kunye nemijikelo yokunyibilika komkhenkce, evumela ukusebenza kakuhle ekusetyenzweni nasekugcinweni kokutya.
  • Ulawulo lwe-Viscosity: Isitatshi esilungisiweyo sinokulungelelaniswa ukubonelela ngeeprofayili ezithile ze-viscosity, ezivumela ulawulo oluchanekileyo malunga nokuthungwa kunye nokuhambelana kweemveliso zokutya.
  • Ukucaca: Ezinye isitatshi ezilungisiweyo zinika ukucaca okuphuculweyo kunye nokucaca kwizisombululo, zizenza zilungele ukusetyenziswa kwimveliso yokutya ecacileyo okanye eguquguqukayo.
  • Uzinzo lwe-Freeze-Thaw: Isitatshi ezithile ezilungisiweyo zibonakalisa uzinzo oluphuculweyo lokunyibilikisa komkhenkce, luzenza zilungele ukusetyenziswa kwimveliso yokutya engumkhenkce.

Usetyenziso:

  1. Ishishini lokutya: Isitatshi esilungisiweyo sisetyenziswa ngokubanzi njengezinto ezityebisayo, izinzinzi, izinto ezisetyenziswa kwijeli, kunye neziqholo kwiimveliso zokutya ezahlukeneyo, eziquka iisosi, iilokhwe, iisuphu, izimuncumuncu, izinto zokubhaka, kunye nenyama egayiweyo.
  2. I-Pharmaceuticals: Kwishishini lamachiza, i-starches elungisiweyo isetyenziswa njengezibophelelo, i-disintegrants, i-fillers, kunye ne-controlled-release agents ekuqulunqweni kwepilisi kunye nezinye iifom zedosi yomlomo.
  3. Imisonto: Isitatshi esilungisiweyo sisetyenziswa ekulinganisweni kwelaphu ukuphucula ukomelela komsonto, ukuthambisa, kunye nomgangatho welaphu ngexesha lokuluka kunye neenkqubo zokugqiba.
  4. Ukwenziwa kwePhepha: Ekwenziweni kwamaphepha, isitatshi esilungisiweyo sisetyenziswa njengeejenti zokulinganisa umphezulu, izibophelelo zokugquma, kunye nezongezelelo zangaphakathi zokuphucula amandla ephepha, ukuprintwa, kunye neempawu zomhlaba.
  5. Izinto zokuncamathelisa: Isitatshi esilungisiweyo sisetyenziswa njengezibophelelo kunye nokuncamathelisa kwizicelo ezahlukeneyo, kubandakanywa ukufakwa kwe-paperboard laminating, corrugating, kunye neplywood.

Ukhuseleko kunye neMigaqo:

  • Isitatshi esilungisiweyo esisetyenziselwa ukutya kunye nezicelo zamachiza ziphantsi kolawulo olulawulayo kwaye kufuneka zihambelane nemigangatho yokhuseleko esekwe ngamaqumrhu alawulayo afana noLawulo lokuTya kunye neDrug (FDA) eUnited States kunye ne-European Food Safety Authority (EFSA) kwi-European Union. .
  • Ezi arhente zolawulo zivavanya ukhuseleko lwesitatshi esilungisiweyo ngokusekwe kwizinto ezinjengobunyulu, ukubunjwa, ukusetyenziswa okucetyiweyo, kunye neziphumo zempilo ezinokubakho.

Isitatshi esilungisiweyo sidlala indima ebalulekileyo kuluhlu olubanzi lwemizi-mveliso, lubonelela ngeepropati eziphuculweyo zokusebenza kunye nokuguquguquka kwezicelo ezahlukeneyo.Ngokuguqula ubume bemolekyuli yesitatshi, abavelisi banokuhlengahlengisa iipropathi zayo ukuze zihlangabezane neemfuno ezithile zokusebenza, okukhokelela kumgangatho ophuculweyo wemveliso, uzinzo, kunye nokwaneliseka kwabathengi.


Ixesha lokuposa: Feb-10-2024
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