Malunga ne-hydroxyPyl methyl seluplose

1. Luthini owona msebenzi uphambili weseluplose?

I-HPMC isetyenziswa ngokubanzi kwizixhobo zokwakha, iingubo, i-reatsins, i-ceramic, i-ceramics, ukutya, izibalo, i-cosmetics, amanye amashishini. I-HPMC inokwahlulwa ibe liqela lemizi-mveliso, kwibakala lokutya kunye namachiza amayeza ngokwesicelo.

2. Zininzi iintlobo zeselpulose, kwaye yintoni umahluko ekusebenziseni kwabo?

I-HPMC inokwahlulwa kudidi lwangoko (igama le-Brand Storlix "s") kunye nohlobo olushushu. Iimveliso zemodi zethutyana zisasaza ngokukhawuleza emanzini abandayo kwaye zinyamalala emanzini. Ngeli xesha, ulwelo alunanto yokuba i-HPMC ichithwa njengamanzi ngaphandle kokupheliswa kokwenene. Malunga (ishukumisa) imizuzu emi-2, i-viscosity ye-allicofity ngokuthe ngcembe inyuka, yenza i-collous emhlophe ebonakalayo. Iimveliso ezishushu ezinyibilikayo, xa zidibene namanzi abandayo, zinokusasaza ngokukhawuleza emanzini ashushu kwaye zinyamalala emanzini ashushu. Xa iqondo lobushushu liye kwiqondo lokushisa (ngokweqondo lobushushu be-gene), i-vickosity iya kuvela kancinci ide ibonakale i-collous engabonakaliyo.

3. Zeziphi iindlela zokuphelisa i-seluplose?

1). Zonke iimodeli zinokongezwa kwizinto ezenziweyo ngokuxuba komile;

2). Xa kufuneka kongezwe ngokuthe ngqo kwisisombululo seqondo eliqhelekileyo leqondo, kungcono ukusebenzisa uhlobo lokusasaza kwamanzi abandayo. Ihlala ithatha imizuzu eyi-1-30 ukuya kuthi ga emva kongeziweyo (ishukumisa kwaye ivusa)

3). Iimodeli eziqhelekileyo zifuduse kuqala kwaye zisasazeke ngamanzi ashushu, emva koko inyibilikiswe emanzini ebandayo emva kokuvuselela kunye nokupholisa;

4). Ukuba kukho ukungavisisani xa kusenzeka ngexesha lokupheliswa, kungenxa yokuba umntu ovuselelayo akongezwanga okanye imodeli eqhelekileyo yongezwa ngokuthe ngqo kumanzi abandayo. Ngeli xesha, kufuneka ishukunyiswe ngokukhawuleza. i

5). Ukuba amaqabu aveliswa ngexesha lokupheliswa, banokushiywa ukuba bame iiyure eziyi-2 ukuya kwezi-12 (ixesha elithile ligqitywe kukungqinelana kwesisombululo) okanye ukususwa, njl njl. i

4. Uwugweba njani umgangatho weselutase kwaye up?

1) Ubumhlophe, nangona ubumhlophe abunakufumanisa ukuba i-HPMC kulula ukuyisebenzisa, kwaye ukuba i-Whitering iyongezwa kwinkqubo yemveliso, iya kuchaphazela umgangatho wayo, kodwa uninzi lweemveliso ezilungileyo lube mhlophe mhlophe.

2) Ukuhlelwa: Ukulunga kwe-HPMC ngokubanzi kune-80 Mesh kunye ne-100 Mesh, i-120 mesh incinci, imbumbulula ingcono.

3) Ukukhanya ukukhanya: Emva kokuba i-HPMC ibekwe emanzini ukwenza i-colloid ebonakalayo, jonga ukukhanya kwayo. Ukuqaqamba kokukhanya okukhulu, okungcono, kubonisa ukuba kukho ukungazinzi okuncinci kuyo, kwaye ukuhanjiswa kweesanda ezithe nkqo zihlala zilungile. , I-proctor ethe tyaba imbi kakhulu, kodwa ayithethi ukuba umgangatho wokwenza nkqo ungcono kuneso sabemihlaba ethe nkqo, kwaye zininzi izinto zokuchonga umgangatho wemveliso.

4) Ukuqina okukodwa: Kuyinto enkulu kumxokelelwane othile, oyena mntu uphambili. Ukuphakama okuphezulu, ukuphakama komxholo we-hydroxypropy kwimveliso. Ngaphezulu komxholo we-hydroxypropy, kungcono ukugcinwa kwamanzi.

5. Yintoni inani lesellulose kwi-powty powder?

Isixa se-HPMC esisetyenzisiweyo kwizicelo ezisebenzayo sichaphazeleka yimozulu, ubushushu, umgangatho we-Ash Calcium, ifomula ye-potty powder kunye nomgangatho ofunwa ngabathengi. Kukho umahluko kwiindawo ezahlukeneyo, ezithetha ngokubanzi, uphakathi kwe-4-5 kg.

6. Yintoni i-viscofity efanelekileyo yeseluplose?

Ngokubanzi, i-100,000 ye-50 000 ye-itoty yanele, kwaye into efunekayo kudaka iphezulu, kwaye ifuna i-150,000 yokusebenzisa lula ukuyisebenzisa. Ngaphezu koko, owona msebenzi ubalulekileyo we-HPMC yindawo yokugcina amanzi, ilandelwe ngokutyibilika. E-Puttow umgubo, lo gama nje ukugcinwa kwamanzi kulungile kwaye i-vickosity iphantsi (7-8), kunokwenzeka. Ewe, ukuphakama okuphezulu, okungcono ukugcinwa kwamanzi. Xa umbono ungadlulanga i-100,000, i-vickosity ayinasiphumo ekugcinweni kwamanzi. inkulu.

7. Zeziphi izikhombisi eziphambili zeseluplose?

Umxholo weHydroxypropy

Umxholo weMethyl

i-viscofity

I-ash

Ilahleko yokomisa

8. Zeziphi izixhobo eziphambili ze-seluplose?

Ezona zinto ziphambili ze-HPMC: i-cotton ehlaziyiweyo, i-methyl chloride, i-proplone oxide, i-caustic ye-caustic, njl.

9. Nguwuphi umsebenzi ophambili wokusetyenziswa kwe-sellyulose kwi-patty powder? Ngaba ikhona nayiphi na impendulo yamachiza?

Phakathi komgubo ocekeceke, idlala iindima ezintathu zokugcina amanzi, ukugcinwa kwamanzi kunye nokwakha amanzi. Ukutyibilika, i-seluplose inokuthathwa kukumisa, ukugcina isisombululo iyuniform phezulu nangaphantsi, kwaye sixhathise i-igging. Ukugcinwa kwamanzi: Yenza umgubo obekwe kancinci, kwaye uncede i-ASH Calcium ukuba iphendule phantsi kwesenzo samanzi. Ulwakhiwo: I-Seleculose inefuthe lokuthambisa, elinokwenza umgubo obekiweyo onokwakha kakuhle. I-HPMC ayithathi nxaxheba kuyo nayiphi na indlela yokuphendula yekhemikhali, kodwa idlala kuphela indima encedisayo.

I-10. I-Selelose yinto engeyiyo i-ionic setesulose ether, ke yeyiphi i-no-ionic?

Kwimigaqo yendawo yokutsala, izinto ezingathathi nxaxheba azithathi inxaxheba ekuphenduleni kweekhemikhali.

I-CMC (i-carboxymethyl seluplose) yi-cutulose ye-curic, ke iya kujika ibe yi-bean curd xa idibana ne-ASH Calcoum.

11 Ithini iqondo lobushushu le-gellulose elihambelana nayo?

Iqondo lokushisa le-HPMC lihambelana nomxholo wayo we-FOFMCY, iphantsi komxholo wendlela, iqondo lobushushu.

12. Ngaba kukhona ubudlelwane phakathi komgubo we-powty powder kunye neseluplose?

Kukho ubudlelwane! ! ! Oko kukuthi, ukugcinwa kwamanzi ahluphekayo i-HPMC kuya kubangela ilahleko yomgubo (umxholo wezinto ezifana no-Ash, i-calcium enzima, kunye nesamente, kunye nenqanaba lolwakhiwo, kunye nenqanaba lodonga ziya kuchaphazeleka bonke.

13. Nguwuphi umahluko phakathi kwamanzi abandayo kwangoko kwaye ishushu inyibilikisi kwinkqubo yemveliso?

Uhlobo lwe-HPMC olubandayo lwe-HPMC luphathwe umphezulu neGlyoxal, kwaye iyasasaza ngokukhawuleza emanzini abandayo, kodwa ayinyibiliki. Inyibilikisa kuphela xa uVekyusi uyanda. Iindidi ezishushu ezinobushushu azikho umphezulu ophathwe nge-glyngoxal. Ukuba isixa se-glyngoxal sikhulu, ukusasazeka kuya kukhawuleza, kodwa i-vickosity iya kukhula kancinci, kwaye ukuba isixa sincinci, okuchaseneyo kuya kuba kuyinyani.

14. Kutheni le nto i-selsulose inevumba?

I-HPMC eveliswa yindlela ye-Solvent isebenzisa i-toluene kunye ne-isopropanol njengamanyibilikisi. Ukuba ukuhlamba akulunganga kakhulu, kuya kubakho iphunga eligqithisiweyo. (Ukubuyela kwimeko yesiqhelo yinkqubo ye-odor)

15. Ungayikhetha njani iselfloase efanelekileyo?

I-POTTY POLD: ifuna ukugcinwa kwamanzi aphezulu, ukuqhubela phambili kokwakha

Ubukhosi obuqhelekileyo obusekwe: Ifuna ukugcinwa kwamanzi aphezulu, ukumelana nobushushu obuphezulu, kunye nokuVavanya kwangoko

Ukusetyenziswa kweglue yokwakha: Iimveliso ezikhawulezileyo ezinophawu oluphezulu. (Ibanga lakho elicetyiswayo

I-Gyppum yodaka: Ukugcinwa kwamanzi aphezulu, i-vissium ephantsi kunye ne-viscofity ephantsi, ukunyuka kwangoko

16. Ngubani elinye igama le-seluplose?

Kubhekiswa kwi-HPMC okanye i-MHPC Alias ​​Hypromellose, selupelose hydroxyropyl methyl methy.

17. Ukusetyenziswa kwe-sellyulose e-Isty Powder, siyintoni isizathu seFubble kwi-powty powder?

Kwibhontsi ye-Putty, i-HPMC idlala iindima ezintathu zokugcina amanzi, ukugcinwa kwamanzi kunye nokwakha amanzi kunye nokwakha amanzi. Izizathu zeebhubhu zezi:

1. Amanzi amaninzi ongezelelweyo.

2. Umaleko ongezantsi awuyomisi, hlamba olunye ungqimba ngaphezulu, kwaye kulula ukugwetywa.

18. Nguwuphi umahluko phakathi kweseli 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 ithathe uthotho lweempendulo. Ngokubanzi, inqanaba lokufakwa endaweni le-1.6-2.0, kwaye i-solinoty iyahluka ngeenciniba ezahlukeneyo zokufaka endaweni. Eyahlukileyo, yey yey-ionlulose ether.

. Ngokubanzi, ukuba isixa esongezelelekileyo sikhulu, ukulunga kuncinci, kwaye i-vickosity inkulu, inqanaba lokugcina amanzi liphezulu. Phakathi kwabo, isixa esongeneyo sinempembelelo enkulu kwiqondo lokugcina amanzi. I-viscosity ayihambelani nenqanaba lokugcina amanzi. Inqanaba lokuchithwa ikakhulu lixhomekeke kumphezulu weeseli zefowuni. Isidanga sokutshintsha kunye nokungakhathali. Phakathi kwezi zinto zingasentla ezininzi zeselfowuni, izinga lokugcina amanzi le-methyl seluplose neJinshuiqise Selelose iphezulu.

. Isisombululo se-ACTEAFOO EZIQHELEKILEYO ZIYAKUZINYANGO KUTSHINTSHO KUNYE NOBUCHULE B = 3-12. Ihambelana ngokuchanekileyo nesitatshi, njl njl. Xa iqondo lobushushu xa iqondo lobushushu lifikelelwe, ukumelana kuya kwenzeka.

(3) Utshintsho kubushushu luya kuchaphazela kakubi inqanaba lokugcinwa kwamanzi kwi-methyl seluplose. Ngokubanzi, amaqondo obushushu aphezulu, owona manyathelo okugcina amanzi. Ukuba ubushushu obuphango bugqitha i-40 degrees, ukugcinwa kwamanzi kwe-methyl seluplose kuya kuncitshiswa kakhulu, kuya kuchaphazela kakhulu ukwakhiwa kodaka.

(4) I-Methyl Selelose inefuthe elibonakalayo kulwakhiwo kunye nokubulala. Umlinganiso apha ubhekisa kumandla okuhlaselwa avakalelwa kukubaluleka komsebenzi wesicelo kunye nodonga, oko kukuthi, ukumelana nodaka. Ukuthambelela kuphezulu, ukumelana nodaka kubukhulu, kwaye amandla afunwa ngabasebenzi kwinkqubo yokusetyenziswa inkulu, kwaye ukusebenza kodaka akunamsebenzi.