I-Anxin Cellulose Co., Ltd yiHydroxypropyl methyl cellulose HPMC, umvelisi womzi-mveliso waseTshayina, enegama layo elikumgangatho ophezulu le-AnxinCel® Cellulose ethers.
Ukujonga ngokukhawuleza i-hydroxypropyl methylcellulose HPMC
Okokuqala, yintoni eyona nto isetyenziswa kakhulu yi-hydroxypropyl methyl cellulose?
I-HPMC ISETYENZISWA KAKHULU KWIZIXHOBO ZOKWAKHA, ii-coating, ii-synthetic resins, ii-ceramics, amayeza, ukutya, ilaphu, ezolimo, izinto zokuthambisa, icuba kunye neminye imimandla. I-HPMC inokwahlulwa ibe yi-industrial grade, i-food grade kunye ne-pharmacy grade ngokwendlela esetyenziswa ngayo.
Okwesibini, i-hydroxypropyl methyl cellulose yahlulwe yaba ziintlobo ezimbalwa, phakathi kwazo yintoni umahluko?
I-HPMC inokwahlulwahlulwa ibe ludidi olukhawulezileyo (isimamva sebanga elithi “S”) kunye nohlobo olushushu olunyibilikayo, iimveliso ezikhawulezileyo, emanzini abandayo zisasazeka ngokukhawuleza, zinyamalale emanzini, ngeli xesha ulwelo alunazo iincindi, kuba i-HPMC isasazeka nje emanzini, akukho kunyibilika kokwenyani. Malunga (xuba) imizuzu emi-2, incindi yolwelo iyanda kancinci, yenze i-colloid ecacileyo ene-viscous. Iimveliso ezinyibilikayo ezishushu, emanzini abandayo, zinokusasazeka ngokukhawuleza emanzini ashushu, zinyamalale emanzini ashushu, njengobushushu ukuya kubushushu obuthile (ngokobushushu bejeli yemveliso), incindi ibonakala kancinci, de kube kusekwe i-colloid ene-viscous ebonakalayo.
Okwesithathu, indlela yesisombululo se-hydroxypropyl methyl cellulose inantoni?
1. Zonke iimodeli zingongezwa kwizinto ngendlela yokuxuba eyomileyo;
2, kufuneka yongezwe ngqo kwisisombululo samanzi esiqhelekileyo sobushushu, kungcono ukusebenzisa uhlobo lokusasazeka kwamanzi abandayo, emva kokongeza ngokubanzi kwimizuzu eli-10-90 ukuze ijiye (ukuxuba, ukuxuba, ukuxuba)
3. Imodeli eqhelekileyo iqale isasazwe ngokuxutywa ngamanzi ashushu, ize inyibilikiswe ngokongeza amanzi abandayo emva kokuxutywa nokuphola.
4. Ukuba isiganeko sokugalela nokubopha siyenzeka xa kunyibilika, kungenxa yokuba ukuxuba akwanelanga okanye imodeli eqhelekileyo yongezwa ngqo emanzini abandayo. Ngeli xesha, kufuneka ivuselelwe ngokukhawuleza.
5. Ukuba amaqamza aveliswa xa enyibilikiswa, angashiywa iiyure ezi-2-12 (ixesha elithile limiselwa kukuhambelana kwesisombululo) okanye asuswe ngokutsala i-vacuum, ukuxinzelela kunye nezinye iindlela, kwaye ubungakanani obufanelekileyo be-antifoaming agent bunokongezwa.
Okwesine, kulula kangakanani kwaye kulula kangakanani ukufumanisa ukuma okanye ukuwa kwe-hydroxypropyl methyl cellulose?
1, ubumhlophe, ubumhlophe nangona bungenakukwazi ukumisela ukuba i-HPMC ilungile na, kwaye ukuba yongezwa kwinkqubo yemveliso, iya kuchaphazela umgangatho wayo, kodwa, iimveliso ezilungileyo ikakhulu ubumhlophe bulungile.
2, ubunono: Ubunono be-HPMC ngokubanzi buyi-80 mesh kunye ne-100 mesh, ngaphantsi kwe-120, okukhona bucothayo kokukhona bucothayo kokukhona bungcono.
3, ukuhanjiswa kokukhanya: I-HPMC emanzini, yenza i-colloid ecacileyo, ibona ukuhanjiswa kokukhanya kwayo, kokukhona ingena kakuhle, ichaza izinto ezinganyibilikiyo ngaphakathi, i-kettle yokusabela ngokuthe nkqo ngamaqondo alungileyo ngokubanzi, iya kuthumela ezinye ze-kettle yokusabela ngokuthe nkqo, kodwa ayikwazi ukuchaza umgangatho wemveliso yekettle ethe nkqo ingcono kunemveliso yekettle, kukho izinto ezininzi ezimisela umgangatho wemveliso.
4, umlinganiselo: xa umlinganiselo umkhulu, xa ubunzima bungaphezulu, kungcono kunomlinganiselo omkhulu, ngokubanzi kuba umxholo we-hydroxypropyl uphezulu, umxholo we-hydroxypropyl uphezulu, ngoko ke ukugcinwa kwamanzi kubhetele.
Ezintlanu, i-hydroxypropyl methyl cellulose kwinani le-putty powder?
I-HPMC isetyenziswa ngokwenene xa kuthelekiswa nemozulu, ubushushu, umgangatho we-calcium ash, i-putty powder formula kunye neemfuno zabathengi zomgangatho, kwaye kukho umahluko phakathi kwe-4-5 kg.
Isithandathu, i-hydroxypropyl methyl cellulose viscosity ingcono kakhulu?
Yiba nesithukuthezi nge-powder yomntwana jikelele yi-100 lamawaka. Kulungile, imfuneko kwi-mortar inde kakhulu, ufuna i-150 lamawaka ukuba ibe luncedo ukuyisebenzisa, kwaye, indima ebaluleke kakhulu ye-HPMC kukugcinwa kwamanzi, okulandelayo kukuqina. Kwi-putty powder, lo gama nje ukugcinwa kwamanzi kulungile, i-viscosity iphantsi (7-8), kunokwenzeka, ewe, i-viscosity inkulu, ukugcinwa kwamanzi kungcono, xa i-viscosity ingaphezulu kwe-100,000, i-viscosity ayinampembelelo ingako ekugcinweni kwamanzi.
Ezisixhenxe, zeziphi izalathisi eziphambili zobugcisa ze-hydroxypropyl methyl cellulose?
Umxholo weHydroxypropyl
Umxholo weMethyl
ukuxinana
uthuthu
Ukunciphisa umzimba owomileyo
Isibhozo, zeziphi izinto eziphambili ze-hydroxypropyl methyl cellulose?
Izinto eziphambili zeHPMC: umqhaphu ocoliweyo, i-chloromethane, i-propylene oxide, ezinye izinto ezikrwada, iipilisi ze-alkali, i-acid toluene.
Isithoba, i-hydroxypropyl methyl cellulose ekusetyenzisweni kwe-putty powder, indima ephambili, ingaba yikhemikhali?
Kwi-putty powder, idlala iindima ezintathu: ukuqina, ukugcinwa kwamanzi kunye nokwakhiwa. Ukuqina, i-cellulose inokujiya ukuze idlale i-suspension, ukuze isisombululo sihlale silingana phezulu nasezantsi indima efanayo, sichasene nokuxinana kwamanzi. Ukugcinwa kwamanzi: yenza i-putty powder yome kancinci, i-assistant ash calcium reaction phantsi kwesenzo samanzi. Ukwakhiwa: I-Cellulose inefuthe lokuthambisa, inokwenza i-putty powder ibe nokwakhiwa okuhle. I-HPMC ayithathi nxaxheba kuyo nayiphi na i-chemical reactions, idlala indima yokuncedisa kuphela.
I-Hydroxypropyl methyl cellulose yi-non-ionic cellulose ether, ngoko ke yintoni i-non-ionic?
Ngokubanzi, izinto ezingasebenziyo azibandakanyeki kwiimpendulo zamakhemikhali.
I-CMC (i-carboxymethyl cellulose) ikwi-cationic cellulose, ngoko ke i-concounter grey calcium iya kuba yi-bean curd slag.
11. Ingakanani iqondo lobushushu lejeli le-hydroxypropyl methylcellulose elinxulumene nayo?
Ubushushu bejeli ye-HPMC bunxulumene nomxholo wayo we-methoxy. Okukhona umxholo we-methoxy uphantsi, kokukhona ubushushu bejeli buphezulu.
Ishumi elinesibini, i-putty powder powder kunye ne-hydroxypropyl methyl cellulose azinabudlelwane?
Ibalulekile!! I-HPMC ayigcini kakuhle amanzi, ingabangela umgubo.
13. Yintoni umahluko phakathi kwesisombululo samanzi abandayo kunye nesisombululo esishushu se-hydroxypropyl methyl cellulose kwinkqubo yemveliso?
Uhlobo olunyibilikayo emanzini abandayo lwe-HPMC luvela emva konyango lomphezulu we-glyoxal, emanzini abandayo lusasazeka ngokukhawuleza, kodwa alunyibiliki ngokwenene, i-viscosity inyuka, iyanyibilika. Uhlobo olunyibilikayo kubushushu aluzange luphathwe nge-glyoxal kumphezulu. Umthamo we-glyoxal mkhulu, ukusasazeka kuyakhawuleza, kodwa i-viscosity icotha, umthamo mncinci, ngokuchaseneyo.
14, ivumba le-hydroxypropyl methyl cellulose yindlela yokubuyisela uxanduva?
I-HPMC eveliswa ngendlela yesinyibilikisi yenziwe nge-toluene kunye ne-isopropyl alcohol njengesinyibilikisi. Ukuba ukuhlamba akukuhle kakhulu, kuya kubakho incasa eseleyo. (Ukubuyiselwa kwe-neutralization yinkqubo ephambili yevumba)
15, iindlela ezahlukeneyo zokusetyenziswa, indlela yokukhetha i-hydroxypropyl methyl cellulose efanelekileyo?
Umgubo wePutty: Iimfuneko zokugcina amanzi aphezulu, ulwakhiwo olulula (umgangatho ocetyiswayo: 7010N)
Udaka oluqhelekileyo olusekelwe kwisamente: ukugcinwa kwamanzi aphezulu, ukumelana nobushushu obuphezulu, ukuxinana kwangoko (umgangatho ocetyiswayo: HPK100M)
Ukusetyenziswa kweglu yokwakha: iimveliso ezikhawulezileyo, ukuxinana okuphezulu. (Uphawu olucetyiswayo: HPK200MS)
Udaka lweGypsum: ukugcinwa kwamanzi amaninzi, ubuninzi obuphakathi nobuphantsi, ubuninzi obukhawulezileyo (udidi olucetyiswayo: HPK600M)
16, i-hydroxypropyl methyl cellulose yintoni igama elingelolakho?
I-HPMC okanye i-MHPC elibizwa ngokuba yi-hydroxypropyl methyl cellulose, i-cellulose hydroxypropyl methyl ether.
Ishumi elinesixhenxe, i-hydroxypropyl methyl cellulose ekusetyenzisweni kwe-putty powder, i-putty powder bubble yintoni isizathu?
I-HPMC kwi-putty powder, idlala indima ezintathu zokuqina, ukugcinwa kwamanzi kunye nokwakhiwa, isizathu se-bubble:
1. Amanzi amaninzi kakhulu ayongezwa.
2. Umzantsi awomile, phezulu komnye umaleko wokukrwela, kulula nokuwenza amaqamza.
Ishumi elinesibhozo, i-hydroxypropyl methyl cellulose kunye ne-MC yintoni umahluko:
I-MC yi-methylcellulose, eyenziwe ngekotoni ecociweyo emva konyango lwe-alkali kunye ne-methane chloride njenge-etherification agent ngokusebenzisa uthotho lweempendulo zokwenza i-cellulose ether. Ngokubanzi, inqanaba lokutshintshwa yi-1.6-2.0, kwaye ukunyibilika kwamanqanaba ahlukeneyo okutshintshwa nako kwahlukile, okungokwe-non-ionic cellulose ether.
(1) Ukugcinwa kwamanzi kwe-methyl cellulose kuxhomekeke kubungakanani bayo bokongeza, ukuxinana, ukucoleka kwamasuntswana kunye nesantya sokunyibilika. Ngokubanzi, ukuba ubungakanani bokongeza bukhulu, ukucoleka buncinci kwaye ukucoleka kukhulu, izinga lokugcina amanzi liphezulu. Ubungakanani bokongeza bunempembelelo enkulu kwizinga lokugcina amanzi, kwaye ukucoleka akunxulumananga nezinga lokugcina amanzi. Isantya sokunyibilika sixhomekeke kakhulu kwinqanaba lokuguqulwa komphezulu wamasuntswana e-cellulose kunye nokucoleka kwamasuntswana. Kwi-cellulose engentla, izinga lokugcina amanzi le-methyl cellulose kunye ne-hydroxypropyl methyl cellulose liphezulu.
(2) I-Methyl cellulose inokunyibilika emanzini abandayo, ukunyibilika kwamanzi ashushu kuya kudibana nobunzima, isisombululo sayo samanzi esikuluhlu lwe-pH = 3-12 sizinzile kakhulu, kwaye istatshi, kunye nokuhambelana okuninzi kwe-surfactant kulungile, xa ubushushu bufikelela kubushushu be-gelation, kuya kwenzeka i-gelation.
(3) Utshintsho lobushushu luya kuchaphazela kakhulu izinga lokugcina amanzi kwi-methyl cellulose, ngokubanzi xa ubushushu buphezulu, kokukhona ukugcinwa kwamanzi kubi. Ukuba ubushushu be-mortar budlula ama-40 degrees, ukugcinwa kwamanzi kwi-methyl cellulose kuya kuba kubi kakhulu, nto leyo echaphazela kakhulu ukwakhiwa kwe-mortar.
(4) I-Methyl cellulose inempembelelo ecacileyo ekwakhiweni nasekunamatheleni kwe-mortar. Apha, ukunamathela kubhekisa kumandla okunamathela avakalayo phakathi kwesixhobo sokudaya abasebenzi kunye ne-substrate yodonga, oko kukuthi, ukumelana nokucheba kwe-mortar. Ipropati yokuncamathelisa inkulu, ukumelana nokucheba kwe-mortar mkhulu, kwaye amandla afunekayo kubasebenzi kwinkqubo yokusetyenziswa nawo makhulu, ngoko ke ipropati yokwakha ye-mortar ayilunganga.
Ixesha lokuthumela: Sep-07-2022