I-HydroxyPOpyl Methylcelcelsele HPMC luhlobo lwe-ionic ye-ionic sether exutywe. Ngokungafaniyo ne-Ionic Methyl Carboxymethyl Setelose Telupe Ter, ayiphenduli ngeentsimbi ezinzima. Ngenxa yomyinge ohlukileyo we-APENSGSYL I-Accxyl Umxholo kunye nomxholo ophezulu we-hydroxypropyl usondele kwi-hydroxlypropyl methyl sellyulose. Nangona kunjalo, kwiindidi nganye, nangona kuphela iQela elincinci le-hydroxypropy okanye inani elincinci le-APENCYL Gqatywayo, kukho umahluko omkhulu kwi-solity yezinyibilikisi ezihlangeneyo.
(1) Ipropathi yokuluka ye-hydroxypropyl methylcelcelceluplose
Isifo se-hydroxypropyl methylcelcelcelsulose emanzini e-Hydroxly Ge sethylcelied i-propylcelose i-propylcelose iguqulwe yi-propylcelies ye-propylcelose ineempawu ezifanayo zokuluka kwamanzi kunye ne-idolloulity eshushu. Nangona kunjalo, ngenxa yeqela eliguqulweyo ye-hydroxypropy, ubushushu bayo bokuhlutha kumanzi ashushu bungaphezulu kakhulu kune-methyl seluplose. Umzekelo, i-viscosity ye-hydroxypropyl methylcelcelcelse isisombululo esiyi-2% se-0.46 ngo-20 ° C, kunye ne-HELDROS nge-20 ° C, kunye ne-hydroxypropy ye-100 ° C, ngelixa I-Methyl Selelose kwiqondo lobushushu elifanayo limalunga ne-55 ° C. Ngokuphathelele ukubenzela amanzi, kuye kwaphuculwa kakhulu. Umzekelo, i-rover-idropypropyl methylcelcelgalose (i-Granular I-0.2 \ 0 ° C kunye ne-20% ye-ASCIOR TIDISIT ye-2% ye-ACTEARS inokuthengwa kwiqondo lobushushu begumbi, linyibilika ngokulula emanzini ngaphandle kokupholisa.
Ulwimi lwe-Hydroxypropyl Methylcelcelcelsulose kwi-Sporganisent kwi-SolubayPropyl Methylcelgalose kwi-Sols Shotsents ilunge ngakumbi kune-methylcelculose. Ngeemveliso ezingentla kwe-2.1, i-viscofisity yeHydroxypropyl Methylcelcelsulose equkethe i-hydroxypropyl NS = 1.5 ~ I-SEPSECY SINGROR NO-MOSTY SOPRORY DIORING NE-ENTHANoL . Ikwanyibilika kwi-hydrocarble ecekeceke njenge-methylene chloride kunye ne-chloroform, kunye nezinyibilikisi ze-organic ezinje nge-acetone, i-Iyopropanol yotywala. I-solity yayo kwizinyibilikisi ze-organic ilunge ngakumbi kunomoya wokungasebenzi kwamanzi.
. Uhlobo lwemveliso olufanayo luyanyuka ngokunyuka koxinzelelo. Ngeemveliso ezinamatye ahlukeneyo eemolekyuli kugxininiso olufanayo, imveliso enesisindo esikhulu semolekyuli inophawu oluphezulu. Ulwalamano lwayo ngamaqondo obushushu luyafana ne-methyl seluplose. Xa iqondo lobushushu liphuma, i-viscosity iqala ukuncipha, kodwa xa ifikelela kubushushu obuthile,
I-vickosity ngequbuliso inyuka kwaye ukumela kwenzeka. Iqondo lokushisa le-gel lemveliso ye-viscofity ephezulu. iphakamile. Inqaku layo lejeli alihambelani kuphela kwi-ethertosity ye-ether, kodwa ikwanxulumene nokudityaniswa komyinge weqela le-Accovesxyl kunye neqela le-hydroxypropy kwi-ether kunye nesayizi yenqanaba elipheleleyo le-Ether. Kufuneka kuqatshelwe ukuba i-hydroxypropyl methylcelcelistic ikwanguPseudopristic, kwaye isisombululo sayo sizinzile kubushushu begumbi ngaphandle kokuthathwa kwe-vismmatity ngaphandle kokuba kunokwenzeka ukuba kubekho ukonakaliswa kwe-enzymatic.
. Iityiwa ngokubanzi ezinje nge-hloride, bromide, i-phosphate, i-nitrate, njl. Njl. Nangona kunjalo, ukongezwa kwetyuwa kunefuthe elithile kwiqondo lokushisa lesisombululo se-acera. Xa ukugxininiswa kwetyuwa kuyanda, iqondo lobushushu liyancipha. Xa uXeko seTyuwa kuPhepha inqaku leSoftwation, i-viscosity yesisombululo idla ngokunyuka. Ke ngoko, yongezwa inani elithile letyiwa. , kwisicelo, inokufezekisa ifuthe lokufundisa ngakumbi kwezoqoqosho. Ke ngoko, kwezinye iinkqubo, kungcono ukusebenzisa umxube we-selsulose ether kunye netyuwa kunesisombululo esiphezulu sokufezekisa isiphumo sokuqaqamba.
. Inokumelana nenani elithile lee-acids ezikhanyayo, ezinje nge-fortic acid, i-acetic acid, i-ficcric acid, i-acid ye-phoric acid inesiphumo sokunciphisa i-vickosity. I-Alkalis efana ne-caustic soda, i-caustic potash kunye namanzi e-lime ayinampembelelo kuyo, kodwa banokongeza nje ukubonwa kwesisombululo, emva koko bancipha.
. Ezi pollements ezidityanisiweyo zibandakanya i-Polythylene Glycol, Polyvinyl acetate, Polyvinyacone, Polymethylvinylviny I-gurity yemolekyuli yendalo efana ne-gum Arabic, i-bean gum gum, iKaraya Gum, njl njl. I-HydroxyPOpyl Methylcelcelgalose ikwanokudityaniswa ne-Mannitol Ester okanye i-Sortibil Ester ye-Steric Acid okanye i-Palric Acid, kwaye inokuthi isetyenziswe njenge-hydroxlyproplose ye-cutyulose.
. I-AldehyDes eyenza i-HydroxyPyl Methylcelcelsulose i-Infolneule, i-Glycinic Aldehyde, i-Sudinic Aldehyde, i-Goccinic kufuneka ihlawulwe ngokukhawuleza, Iarhente kwimveliso yezamashishini. Inani lolu hlobo lwe-arhente yokunxibelelanisa i-contrey kwisisombululo yi-0.2% ye-10% ye-Ether ye-ether, ngokukhethekileyo, umzekelo, umzekelo, i-6% ye-GlyOxal yeyona ifanelekileyo. Ngokubanzi, unyango
Iqondo lokushisa yi-0 ~ 30 ℃, kwaye ixesha ngu-1 ~ 120min. Ukunxibelelanisa ukuphendula okugqogqa kudinga ukwenziwa phantsi kweemeko ze-acidic. Ngokubanzi, isisombululo siqala ukongezwa nge-Inorgan-Acid okanye i-Alboxylic Acid yokutshintsha i-PH yesisombululo malunga ne-2 ~ 6, emva koko yongeza i-Aldesses ukuze iqhubeke nokuphendula ngokudibeneyo. I-acid esetyenzisiweyo ine-hydrochloric acid, i-phosfuric acid, phosphoric acid, i-aceccinic acid, i-succcinic acid icetyiswa, kwaye i-acic acid icetyiswa. I-acid kunye ne-Aldehyde nayo yongezwa kwangaxeshanye ukuvumela isisombululo ukuba sibambelele kwi-ross-cow-vest rees Le mpendulo idla ngokusetyenziswa kwinkqubo yokugqibela yonyango kwinkqubo yokulungiselela ye-seluplose. Emva kokuba i-ether iseti i-itar i-insolline, ilula ukuyisebenzisa
20 ~ 25 ℃ Amanzi ngokuhlamba nokuhlanjululwa. Xa imveliso isetyenziswayo, izinto ze-alkaline zinokongezwa kwisisombululo semveliso ukuze zilungelelanise i-PH yesisombululo ukuba i-alkaline, kwaye imveliso iya kunyibilika kwisisombululo ngokukhawuleza. Le ndlela ikwasebenza nonyango lwefilimu emva kokuba isisombululo se-selsulose sese senziwe kwifilimu yokwenza ifilimu engenanto.
. 1, Iya kuncitshiswa yi-enzymes, okuthetha ukuba isidanga sokufakwa kwelinye iqela kwi-Cleulose Chain ayifani ne-AnhydroglUcose eyaneleyo, njengezondlo kwi-microorganism ukuba ifumane. Ke ngoko, ukuba inqanaba lokufakelwa kwe-etherIsist ye-seluplose yonyuka, ukumelana nokukhukuliseka kwe-erzymatic i-ether eselokhethe iyakonyuka. Ngokwengxelo, phantsi kweemeko ezilawulwayo, iziphumo ze-hydrolysis, i-viscofis entsalela ye-HydroxylcelcelUlose (DS = 1.9) yi-7.3%, i-methylcelcelculose (DS = 1.6%, kunye ne-hydroxyEtheetheetheetheethl yi-1.7%. Ingabonwa ukuba i-hydroxypropyl methylcelcelculose inamandla aqinileyo i-enzyme. Ke ngoko, i-enzyme egqwesileyo ye-hydroxypropyl methylceltulose, idityaniswa nepropathi yakhe elungileyo, equlatha ifilimu, isetyenziswa kwi-ortings e-emulsion, njl., Kwaye ngokubanzi akufuneki ukuba bongeze izilondolozi. Nangona kunjalo, ukugcinwa kwexesha elide kwesisombululo okanye ukungcoliseka okunokwenzeka ngaphandle, izinto ezigciniweyo zinokongezwa njengezilumkiso, kwaye ukhetho lungagqitywa ngokweemfuno zokugqibela zesisombululo. I-phenylmercuric ye-phenylmercuric acetate kunye ne-manganese flurosilicicial zizinto ezisebenzayo, kodwa zonke zinetyhefu, ingqalelo kufuneka ihlawulwe ekusebenzeni. Ngokubanzi, i-5 ~ 5mg ye-phenylmer ye-phenylmer inokutongezwa kwisisombululo kwilitha nganye yedosi.
. Isisombululo se-accous okanye isisombululo se-organic selvent sidityaniswe kwipleyiti yeglasi, kwaye iba ngumbala kwaye ibonakala emva komile. Kunye nefilimu enzima. Inokuthini ukunyangwa okuhle nokunganyangeki kubushushu obuphezulu. Ukuba kongezwa i-hygroscopic plashiptizer, i-elonghation yayo kunye nokuguquguquka kungaphuculwa. Ngokwendlela yokuphucula ukuguquguquka, iiplastiki ezifana ne-glyrin kunye ne-sorbil zilungele kakhulu. Ngokubanzi, ukugxininiswa kwesisombululo yi-2% ~ 3%, kunye nenani lesiqwengana liyi-10% ~ 20% ye-seluplose ether. Ukuba umxholo weplastiki uphezulu kakhulu, ukupheliswa kwehlelo ye-colloidal deves kuya kwenzeka kumswakama ophezulu. Amandla e-sunsein yefilimu nge
Iplastikibe yongezwe inkulu kakhulu kunelo ngaphandle kweplastiki, kwaye iyakhula ngokunyuka kwexabiso elongeziweyo. Ngokuphathelele i-hygroscoficity yefilimu, isonyuka ngokunyuka kwexabiso leplastiki.
IXESHA LOKUQALA: UNv-24 ukuya ku-2422