Yintoni umahluko phakathi kwe-HPMC kunye ne-MC?

I-MC ye-methyl seluplose, eyenziwe nge-tartulose ether ngokuphatha i-cotton ecocekileyo kunye ne-Alkali, esebenzisa i-methane chloride njenge-arhente yokuphendula, kwaye ihambe ngothotho lwezinto zokuphendula. Ngokubanzi, inqanaba lokufakwa endaweni le-1.6 ~ 2.0, kwaye i-solinoing nayo yahlukile ngamanqanaba ahlukeneyo okufaka endaweni. Yeyokutshekisha i-enic sete

. Ngokubanzi, ukuba isixa esongezelelekileyo sikhulu, ukulunga kuncinci, kwaye i-vickosity inkulu, inqanaba lokugcina amanzi liphezulu. Phakathi kwazo, isixa-mali songezelelo sinefuthe elikhulu kwiqondo lokugcina amanzi, kwaye inqanaba le-viscofity alikho ngqo kwinqanaba leqondo lokugcina amanzi. Inqanaba lokuchithwa ikakhulu lixhomekeke kwinqanaba lokutshintsha komphezulu wesuntswana kunye nobumdaka obuchaphazelekayo. Phakathi kwezi zinto zingentla kwe-Sethes, iMethyl Selelose kunye neHydroxypropyl Methyl Selelose anemilinganiselo ephezulu yokugcina amanzi.

. Isisombululo se-ACTEAFOOF sizinzile kakhulu kuluhlu lwe-pH = 3 ~ 12. Ihambelana ngokuchanekileyo nesitatshi, i-Gum Gum, njl. Njl. Xa iqondo lobushushu lifikelela kubushushu bendawo, ukumela.

(3) Utshintsho kubushushu luya kuchaphazela kakubi inqanaba lokugcinwa kwamanzi kwi-methyl seluplose. Ngokubanzi, amaqondo obushushu aphezulu, okuphezulu kokugcina amanzi. Ukuba ubushushu obuphango bungaphezulu kwe-40 ° C, ukugcinwa kwamanzi kwe-methyl seluplose kuya kuncitshiswa kakhulu, kuchaphazele kakhulu ukwakhiwa kodaka.

(4) I-Methyl Selelose inefuthe elibonakalayo kulwakhiwo kunye nokubulala. I "Dehlosion" apha zibhekisa kumandla okunetha ezibonakala ziphakathi kwesixhobo somsebenzi wesicelo kunye nodonga, oko kukuthi, ukumelana nodaka. Ukuthambelela kuphezulu, ukumelana nodaka kubukhulu, kwaye amandla afunwa ngabasebenzi kwinkqubo yokusetyenziswa inkulu, kwaye ukusebenza kodaka akunamsebenzi. I-Methyl Seledion ikwinqanaba eliphakathi kwimveliso ye-etelulose etele.

I-HPMC yi-hydroxypropyl methylcelceluplose i-ionic sest ye-ether edityanisiweyo eyenziwe kwi-cotton ye-propyle, esebenzisa i-propylene oxide kunye ne-methyl chloride njengeearhente zokuphendula. Inqanaba lokufakwa endaweni yi-1.2 ~ 2.0. Iipropathi zayo zahlukile ngenxa yemilinganiselo eyahlukileyo yemixholo ye-APENGSYL kunye nomxholo we-hydroxypropy.

. Kodwa iqondo lokuhlaselwa layo lokuhlaselwa kwamanzi ashushu liphezulu kakhulu kune-methyl seluplose. Ukunyibilisela emanzini abandayo kuyaphuculwa kakhulu xa kuthelekiswa neMethyl Selelose.

. Ubushushu buchaphazela i-viscofity yayo, njengoko amaqondo obushushu ayanda, i-viscosity ihla. Nangona kunjalo, i-viscosity yayo ephezulu inamaqondo obushushu asezantsi kune-methyl seluplose. Isisombululo sayo sizinzile xa sigcinwe kubushushu begumbi.

. I-Caustic Soda kunye namanzi e-lime anempembelelo encinci ekusebenzeni kwayo, kodwa uAlkali unokukhawulezisa ukupheliswa kwayo kwaye kwandise i-viscofity yayo. I-HydroxyPOpyl Methylcelcelcelose iZinzile kwi-SECTs eqhelekileyo, kodwa xa uxinzelelo lwesona sityibilili liphezulu, i-viscosity ye-hydroxypropyl methylcelses isisombululo sithanda ukunyuka kwesisombululo.

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. Ezinjenge-polyvinyl utywala, i-starch ether, i-gum yemifuno, njl.

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