Hydroxypyl Methylcelllose (HPMC) bụ ihe eji eme ihe n'ọtụtụ ebe na ụlọ ọrụ na-ewu ụlọ, karịsịa na mgbidi Putty. HPMC na-enye ọtụtụ uru ndị na-enyere aka melite arụmọrụ na ogo nke mgbidi. Nke a bụ uru atọ kachasị nke iji HPMC na Wallty:
Njide mmiri na agbanwe agbanwe:
Otu n'ime uru ndị bụ isi nke itinye n 'mgbidi Putty na mgbidi ya kachasị mma. HPMC bụ polyler hydrophilic, nke pụtara ọ nwere ike ịdị na-enwe ike maka mmiri. Mgbe agbakwunye na mgbidi na mgbidi, HPMC na-etolite ihe nkiri na-ejigide mmiri na ciment, na-egbochi mmiri site na usoro ịgwọ ọrịa.
Ike nke HPMC iji na-ejide mmiri na ngwakọta nwere ọtụtụ uru maka ngwa PASTS. Nke mbụ, ọ na-eme ka ọrụ nke Puet ma gbatịkwuo oge, na-eme ka ọ dịkwuo mfe ịgbasa ma dị nkọ karịa mkpụrụ. Nke a bara uru na ọrụ owuwu, ebe ndị ọrụ nwere ike ịdị mkpa ka ukwuu itinye ma rụchaa mgbidi ahụ tupu ya emee.
Na mgbakwunye, ike HPMC na-aka ike na-enyere nraranye nrapado na mkpụrụ. Achịcha mmiri na-adịte aka kwesịrị ekwesị nke kwesịrị ekwesị nke cent irighiri ihe, na-ebute njikọ siri ike ma na-enwe ogologo n'etiti mgbidi na elu. Nke a dị oke mkpa maka ịrụ ọrụ ogologo oge na iguzosi ike n'ezi ihe nke mgbidi ahụ etinyere.
Meziwanye cohesion na Sig na-eguzogide:
HPMC na-arụ ọrụ dị ka onye na-agbaze ma na-emebi emebi mgbidi ma ọ bụ na mgbidi, na-eme ka njikọta nke ihe ahụ. Ọnụnọ nke HPMC na-enyere aka ịnọgide na-eguzosi ike n'ezi ihe na usoro nke Putty, na-egbochi ya ịba ume ma ọ bụ daa mgbe etinyere ya na mbara igwe. Nke a dị ezigbo mkpa maka itinye ngwa ngwa ma ọ bụ mgbe ị na-arụ ọrụ na mgbidi dị iche iche.
Njirimara nke HPMC nyere aka nwekwuo ọkpụrụkpụ mgbidi, na-ekwe ka ọ gbadara karịa mkpụrụ na-enweghị ọsọ ma ọ bụ na-agba ọsọ. N'ihi nke a, mgbidi potties nwere HPMC nwere nguzogide dị elu, na-ejide ngwa ngwa na-agbanwe agbanwe, ọkachasị na mbara ala na elu dị elu. Ngwongwo a na - eme ka ihe dị larịị nke dị mma.
Na mgbakwunye, njigide akwa nke Hpmc nyere na-enyere aka na mgbidi ahụ mgbidi na-ajụ cracking. Pocymer na-etolite ihe nkiri na-agbanwe agbanwe nke na-anabata obere mmegharị na mkpụrụ, na-ebelata ohere nke cracks n'oge. Nke a bụ ihe dị mkpa na arụmọrụ nke mgbidi na mgbidi, dị ka cracks nwere ike imetụta ọdịdị na ịdị ogologo nke mkpuchi etinyere.
Ntinye aka na ume:
Adhesion bụ ihe dị mkpa na arụmọrụ nke mgbidi mgbidi, nke na-emetụta ike nke na-enweghị ike n'etiti Puntty na mkpụrụ. HPMC na-arụ ọrụ dị mkpa na imeziwanye ndọta site na ịmepụta ihe nkiri na-adịghị mma na-akwalite ndọghasị mmekọrịta dị ike.
Ikike njide mmiri nke HPMC na-ahụ maka na mmiri zuru ezu dị maka hydration nke ciment, na-akwalite nguzobe siri ike n'etiti mgbidi na mgbidi. Nke a dị ezigbo mkpa mgbe itinye usety ịtinye ma ọ bụ ihe ịma aka, ebe ị na-enweta ezigbo adhesion nwere ike ịbụ ihe ịma aka.
Ọzọkwa, Hpmc na-enyere aka belata ndọghasị n'oge ihicha na ịgwọọ mgbidi putty. Imerikwu ihe na-enyere aka na-enyere aka ilekọta kọntaktị na mkpụrụ osisi na mkpụrụ, na-eme ka ọ bụrụ nke njikọ dịkwuo ike. Ihe si na ya pụta bụ mgbidi nke na-esonye ọtụtụ ala dị iche iche, na-enye arụmọrụ na-adịgide adịgide na iguzogide ya.
Hydroxypyl Methylcellose (HPMC) na-enye ọtụtụ uru dị ukwuu ma tinye ya n'ime mgbidi Mgbidi. Ngwongwo ya na-ejigide ike ọrụ na ndọghachi azụ, mgbe oke ike ya na ikike mkpuchi na-enyere aka melite cohesion na sag. Ojiji nke HPMC na Wall Intrislusluslusluslusluslusluslusluslusth nwere ike iwepụta ụlọ ọrụ owuwu ahụ na-adịgide adịgide ma dị oke ọnụ ma dị elu na-arụ ọrụ maka ime ụlọ na mpụga.
Oge Post: Novolut 28-2023