Ni uruhe ruhare rwa HPMC yahinduwe mu kubaka sima?

Hydroxypropyl Methylcellulose yahinduwe (HPMC yahinduwe)ni inyongeramusaruro y'ingenzi ya polymer mu bikoresho by'ubwubatsi, cyane cyane mu buryo bwa mortier. Irushaho kunoza imikorere ya HPMC binyuze mu buryo bufatika cyangwa bwa shimi, kugira ngo ibashe gutanga imikorere myiza mu bwubatsi, kubika amazi, kurwanya kugwa no gufatana mu mishinga y'ubwubatsi.

1. Uburyo bwo gukora kwa HPMC yahinduwe

HPMC yahinduwe ni eteri ya cellulose itari ionic. Irahamye mu kirere kirimo alkaline kandi ifite ubushobozi bwo gushonga no gukwirakwira neza binyuze mu gusimbuza hydroxypropyl na methyl groups ku gishishwa cya cellulose. Ubusanzwe uburyo bwo kuyihindura burimo:

Gutunganya ubuso (urugero: uburyo bwo gushyushya ibintu, kunoza uburyo bwo gushonga cyangwa gukwirakwira vuba);

Uburyo bwo guhuza ibintu (kongera imiterere n'amazi agumana);

Guhindura imiterere y'amazi mu buryo bunyura mu mazi (kunoza uburyo amazi agwa n'uburyo adashobora kugwa);

Uburyo bwo kuvura ubushyuhe (kugenzura ubushyuhe bwa gel kugira ngo huzuzwe ibisabwa mu bwubatsi), n'ibindi.

Binyuze muri ubu buryo bwo guhindura, HPMC yoroheye gukwirakwizwa muri mortilage kugira ngo ikore umuti umwe wa colloidal, ushobora guhindura neza imiterere ya rheological, kubika amazi no kurwanya kugwa kwa mortilage.

2. Uruhare rw'ingenzi rwa HPMC yahinduwe mu kubaka sima

2.1. Kunoza uburyo amazi abikwa

HPMC yahinduwe ikora imiterere y’urusobe rw’amazi mu buryo butatu, ikarinda amazi gutakaza. Iki kintu ni ingenzi cyane mu gikorwa cyo gutonyanga sima, bigatuma sima iba yuzuye amazi, ikagabanya ibyago byo gucika no kwangirika, kandi ikarushaho gukomera nyuma. Ni ingenzi cyane mu bwubatsi mu bushyuhe bwinshi n’ahantu humutse.

2.2. Kunoza imikorere y'ubwubatsi

HPMC yahinduwe ifite ubushobozi bwo gusiga no gukurura neza, bigatuma ifu yoroshye kuyishyira no kuyisya nyuma yo kuvanga, ikagabanya imbaraga z'ibikoresho by'ubwubatsi kandi ikanoza imikorere y'ubwubatsi. Ikwiriye cyane cyane ifuro ry'imashini, ikongera ubushobozi bwo kuvoma no kugenzura.

2.3. Kongera ubushobozi bwo kurwanya kugwa

Umusaruro wo kudacika intege ni ingenzi cyane ku buryo bwo kubaka imbere y’inzu nka kole z’amatafari na mortila za plaster. HPMC yahinduwe ishobora kongera ubukana na thixotropy, ku buryo mortila igira imiterere myiza mu gihe idahinduka, ikirinda kunyerera nyuma yo kuyikoresha, kandi ikagenzura ubuziranenge bw’inyubako.

2.4. Kunoza uburyo bwo gufatana no guhuza

HPMC yahinduwe ishobora kunoza uburyo ifatana hagati ya mortilage n'ibikoresho nk'ishingiro n'amatafari. Imiterere yayo yo gukora filime ituma ikora urwego rwa filime rworoshye ku buso bwa mortilage, bikongera imbaraga zo gufatana hagati y'urukuta. Muri icyo gihe, inoza uburyo urukuta rufatana neza kugira ngo hirindwe ko ibintu byacikagurika cyangwa ngo bicike.

2.5. Hindura imiterere n'uburyo ibintu bigenda neza

Uburyo butandukanye bwo kubaka bufite ibisabwa bitandukanye kugira ngo sima ihuze neza. HPMC yahinduwe ifite thixotropy runaka, ituma sima igumana amazi meza mu gihe cy'ubushyuhe kandi igasubiza vuba imiterere yayo iyo idahinduka, ikuzuza ibisabwa bitandukanye nko gusigwa, kuringaniza no gufunga.

3. Imikoreshereze yihariye mu bikoresho bitandukanye by'ubwubatsi

3.1. Sima yo gufata amatafari

HPMC yahinduwe ishobora kunoza uburyo amatafari agumana amazi kandi ikarushaho kunoza ubushobozi bwo gufatana kw'amatafari manini. Cyane cyane mu buryo bwo gukora amatafari manini, ituma imirimo yo kubaka irushaho koroha kandi igakomeza gukomera.

3.2. Gusiga sima

Mu gusigwa imashini, HPMC yavuguruwe irushaho gukora neza, igabanya ibibazo byo gucika no kwangirika biterwa no guhumeka kw'amazi vuba, kandi igatuma ubuso bugenda neza kandi bworoshye. Irakwiriye kandi gusigwa imashini kugira ngo yongere imikorere myiza yo kuvoma.

3.3. Sima yo hasi n'isima yo kwiyongerera

Kwipima bifite ibisabwa byinshi kugira ngo amazi ahinduke. HPMC yahinduwe itanga amazi akwiye adatakaje imbaraga, mu gihe igenzura itandukana ry'amazi no kunoza ubwiza bw'ubuso n'ubugari nyuma yo gushyiramo.

3.4. Gusana mortier

Ku bijyanye no gusana uduce duto no gusana uduce duto, HPMC yahinduwe ishobora kongera imbaraga zo guhuza hagati ya mortier na base layer, ikagabanya ibyago byo gutandukana no gusya ifu mu cyiciro cya nyuma, kandi ikwiriye gusanwa byimbitse kw'inkuta, ibiraro, nibindi.

4. Igipimo cya HPMC cyahinduwe n'inama zo guhitamo

Mu buryo nyabwo, ingano ya HPMC yahinduwe yongewemo muri rusange ni 0.2% ~ 0.6% (hashingiwe ku buremere bwose bw'ifu yumye), kandi ingano yihariye igomba kugenwa hakurikijwe ubwoko bwa sima, imiterere y'ubwubatsi n'ibisabwa mu mikorere.

Ibisabwa cyane mu kubika amazi: HPMC yahinduwe yatoranijwe ifite ubunini bwo gusimbuza hamwe n'uduce duto;

Kurwanya cyane kugwa: hitamo ubushyuhe bwinshi, HPMC yahinduwe na thixotropic;

Sisitemu yo kwipima cyangwa yo hasi: hitamo ubushyuhe buke, HPMC yahinduwe mu bwoko bwa "high flow type";

Ibisabwa mu gushonga ako kanya (mortilage ivanze): HPMC yatoranijwe yavuwe ku buso bwayo vuba.

HPMC yahinduwe igira uruhare runini mu kubaka simacyane cyane mu kunoza uburyo amazi abikwamo, imikorere y’ubwubatsi, gufatana no kurwanya kugwa. Ntabwo binoza gusa imiterere ya mekanike n’ingaruka z’ubwubatsi bwa sima, ahubwo binatanga ishingiro rikomeye ry’ibikoresho by’ubwubatsi bigezweho (nk’imashini itera, kubaka icyuma gito, no kwishyira hejuru). Mu gihe kizaza, hamwe n’iterambere ry’ibikoresho by’ubwubatsi by’icyatsi kibisi n’ibikoresho by’ubwubatsi bifite imikorere myiza, ikoreshwa rya HPMC yahinduwe mu rwego rwa sima yo kubaka rizarushaho kuba rinini kandi rinoze.