Ibasa ripi iro HPMC rinotamba mukuwedzera kudenha uye kuchengetwa kwemvura kwePutty poda?

1. Sumo
Hydroxyprishpropyl methylcellose (HPMC) ndeye cellulose ether inoshandiswa zvakanyanya muzvivakwa zvekuvaka. Mukushandiswa kwePutty poda, HPMC inoita basa rakakosha mukudanwa kwaro uye kuchengetwa kwemvura, izvo zvinokanganisa kuita kwekuvaka uye kushandisa mhedzisiro ye puroyi.

2. Basic hunhu hweHPMC
HPMC ndeye isiri-ionic cellulose ether inowanikwa nemakemikari kugadziridzwa kwemasikirwo cellulose. Nzira uye hydroxyprishishiti mapoka anounzwa mune yayo molecular chimiro, iyo inoita HPMC ine yakanaka mvura solubility uye firimu-inoumba mafirimu. Mukuwedzera, HpMC zvakare ine yakakwirira makemikari kugadzikana uye kuramba kuna enzymatic hydrolysis, iyo inoita kuti ishandiswe zvakanyanya muzvivakwa zvekuvaka.

3. Mechanism yekuvandudza iyo yakanamatira yePutty poda
3.1 SOURSE YEMAHARA uye YEMAHARA
HPMC ine yakanaka nzvimbo yebasa, iyo inogona kuderedza kusawirirana kwekunetseka pakati pePutty poda uye iyo substrate kumusoro uye kuwedzera yakanyorova yezvinyorwa. Kana Poda poda inobata Substrate, HPMC inogona kusimudzira kugoverwa kwunifomu yezvikamu zvakanaka muPutty poda kuumba nzvimbo yekuvandudza yekubatanidza, nekukasira kuvandudza kudenha kweiyo putty poda.

3.2 Firimu-Inogadzira Zvivakwa
HPMC inogona kuumba iyo yakagadzikana coolidal mhinduro mumhedzisiro mhinduro. Sezvo mvura yemvura inobuda, HPMC ichaumba yakaomeswa uye elastic firimu pamusoro peiyo substrate. Iyi firimu haigone kungowedzera kusungwa pakati peiyo putty poda uye substrate, asi zvakare kushatirisa kwekushambadzira, nokudaro zvichinyatso kudzivirira kupaza uye kujekesa kweiyo perod poda layer.

3.3 Kubatanidza Bridge Mhedzisiro
HPMC inogona kuita seyakagadziriswa muPutty poda kuumba bhiriji rekubatanidza. Iri bhiri bhiri risingabatanidzwe chete kudengenyeka kwezvinhu zviri muPutty poda, asi zvakare zvinovandudza manhamba ekurongedza mhedzisiro pakati peiyo putty poda uye substrate. Iyo yakareba-keteni mamoroni eHPMC inogona kupinda mumapures kana nzvimbo yakaoma yeiyo substrate, nekudaro achiwedzera kuwedzeredza kuderedza kweiyo purodhi.

4. Mechanisms yekuvandudza kuchengetedza kwemvura yePutty poda
4.1 Kuchengeta kwemvura uye kunonoka kuoma
HPMC ine yakanaka yekuchengetwa kwemvura zvivakwa uye inogona kunonoka kulatlilization yemvura mune putty poda. Ichi chivakwa chinonyanya kukosha panguva yekuvaka, nekuti purodhiyano poda inoda mvura yakakwana yekuita hydration yekuita uye glation panguva yekuomesa. HPMC inogona kuita zvinobudirira mvura, saka denty poda inogona kuchengetedza yakaenzana yekuvaka yekuvaka kwenguva yakareba, nekukonzera kugadzirisa kwekuvaka uye kudzivirira kupaza kunokonzerwa nekuomesa nekukurumidza.

4.2 Wedzera kufanana kwekugoverwa kwemvura
Iyo mesh chimiro chakaumbwa neHPMC muPutty poda inogona kutevedzera mvura uye dzivisa dambudziko rekunyanyisa kana rakakwana remvura yemunharaunda. Iyi yunifomu yemvura yekugovera haina kungopararira kuiswa kwePutty poda, asi zvakare inovimbisa yunifomu yekuvharira yekubatanidza, kuderedza shrinjige uye kusagadzikana matambudziko zvinogona kuitika panguva yekuomesa.

4.3 Kuvandudza Kuwedzeredza Kwekunyomba
HPMC inogadzirisa humidity yePutty poda nekubatanidza uye kusunungura mvura, kuitira kuti iite huwandu hwakakodzera hwekunyorova mumamiriro ezvinhu akasiyana siyana ekuvaka mumamiriro ezvinhu akasiyana siyana ekuvaka. Kuchenjera uku kunonyungudutswa hakungowedzera nguva yekuvhurika yePutty poda, asi zvakare inowedzera nguva yekushanda yePutty, kubvumira vashandi vekuvaka kuti vapedze mashandiro ekuvaka zvakanyanya uye kuderedza kudiwa kwebasa uye kugadzirisa.

5..
Muzvikumbiro chaicho, kusunganidzwa kweHPMC muPutty Powa kazhinji pakati pe0,10% uye 0.5%, uye chaiyo yekunyora inoenderana neform yePutty poda uye zvinodiwa zvekuvaka. Semuenzaniso, kana uchigadzira mune yakanyanya tembiricha kana nzvimbo yakaoma, huwandu hweHPMC dzinogona kuwedzerwa nenzira kwayo kuti uvandudze kuchengetwa kwemvura uye kugona-kurova kugona kwePutty poda. Kune rimwe divi, mune dzimwe nguva kuti kuunganidzira kwakakwirira kunodiwa, kuita kwekubatanidza kwePutty poda kunogona zvakare kuvandudzwa nekuwedzera zviri mukati meHPMC.

Iko kushandiswa kweHPMC muPutty Powder kwakanyanya kunovandudza kuderedza kwayo uye kuchengetwa kwemvura. Izvi zviviri zvekuwedzera zvinowanikwa kuburikidza neyekuita chiitiko, firimu-kugadzira zvivakwa, nekuchengetwa kwemidziyo yeHPMC, uye nekuchengetwa kwemvura, kunonoka kuomesa uye kunyorova kugona. Iyo yekutanga yeHPMC haina kungovandudza basa rekuvaka yePutty poda, asi zvakare inovandudza hunhu hwese hwekubatanidza, hunodzora matambudziko panguva yekuvaka, uye zvinopa kutsigirwa kwakavimbika kwehunyanzvi hwekuvandudza kwekuvaka kwekuvaka.