Mu kwiga ingaruka z'ibipimo bitandukanye bya hydroxypropyl methylcellulose (HPMC) ku buryo bwo gucapa, imiterere ya rheological n'imiterere ya mekanike ya mortilage ya 3D icapa, haganiriwe ku gipimo gikwiye cya HPMC, maze uburyo bw'ingaruka zayo busesengurwa hamwe n'imiterere ya microscopic. Ibisubizo bigaragaza ko ubushyuhe bwa mortilage bugabanuka uko ingano ya HPMC yiyongera, ni ukuvuga ko ubushobozi bwo gusohora bugabanuka uko ingano ya HPMC yiyongera, ariko ubushobozi bwo kubika amazi burarushaho kwiyongera. Ubushyuhe bwo gusohora; igipimo cyo kubika imiterere n'ubudahangarwa bwo kwinjira munsi y'uburemere byiyongera cyane uko ingano ya HPMC yiyongera, ni ukuvuga, uko ingano ya HPMC yiyongera, ubushobozi bwo gufunga burushaho kuba bwiza kandi igihe cyo gucapa kiragabanuka; ukurikije rheology, hamwe n'ubwiyongere bw'ingano ya HPMC, ubushyuhe bugaragara, umuvuduko w'umusaruro n'ubushyuhe bwa pulasitiki byariyongereye cyane, kandi ubushobozi bwo gufunga burushaho kuba bwiza; thixotropy yabanje kwiyongera hanyuma ikagabanuka uko ingano ya HPMC yiyongera, kandi ubushobozi bwo gucapa burarushaho kuba bwiza; Ibikubiye muri HPMC byongerewe. Kurushaho kugira ubushobozi bwo gufunga ibintu bitera imbaraga n'ubushyuhe. Ni byiza ko ibikubiye muri HPMC bitagomba kurenza 0.20%.
Mu myaka ya vuba aha, ikoranabuhanga rya 3D icapiro (rizwi kandi nka "inyongeramusaruro") ryateye imbere vuba kandi ryakoreshejwe cyane mu nzego nyinshi nko mu buhanga bw'ibinyabuzima, mu kirere, no mu guhanga ubuhanzi. Uburyo ikoranabuhanga rya 3D ridafite ibumba ryateje imbere cyane ibikoresho kandi imiterere y'inyubako n'uburyo bwaryo bwo kubaka bwikora ntirikiza abakozi gusa, ahubwo rinakoreshwa mu mishinga y'ubwubatsi mu turere dutandukanye duto. Guhuza ikoranabuhanga rya 3D icapiro n'urwego rw'ubwubatsi ni udushya kandi dufite icyizere. Kuri ubu, ibikoresho bishingiye kuri sima 3D Uburyo bugaragara bwo gucapiro ni uburyo bwo gushyiramo ibintu mu buryo bwo gukurura ibintu (harimo no gukora ibintu mu buryo bwo gukurura ...
Ku bikoresho bishingiye kuri sima bikoreshwa nk' "ibikoresho bya wino" mu icapiro rya 3D, ibisabwa mu mikorere yabyo bitandukanye n'iby'ibikoresho bisanzwe bishingiye kuri sima: ku ruhande rumwe, hari ibisabwa kugira ngo ibikoresho bishya bivanzwe na sima bikore neza, kandi inzira yo kubaka igomba kuzuza ibisabwa kugira ngo ibikoresho bivanzwe neza bisohoke neza. Ku rundi ruhande, ibikoresho bishingiye kuri sima bigomba kuba bishobora gusohokerwa, ni ukuvuga ko bitazasenyuka cyangwa ngo bihinduke cyane bitewe n'uburemere bwabyo n'umuvuduko w'urwego rwo hejuru. Byongeye kandi, inzira yo gucapa ya 3D ikora imiterere hagati y'imiterere Kugira ngo hamenyekane imiterere myiza ya mekanike y'agace ka interlayer, ibikoresho by'ubwubatsi bya 3D bigomba kandi kugira imiterere myiza. Muri make, igishushanyo cy'uburyo bwo gusohokerwa, uburyo bwo gusohokerwa, no gufatana cyane byateguwe icyarimwe. Ibikoresho bishingiye kuri sima ni kimwe mu bisabwa kugira ngo ikoranabuhanga rya 3D rikoreshwe mu ikoranabuhanga mu bwubatsi. Guhindura uburyo bwo gutonyanga amazi n'imiterere ya rheological y'ibikoresho bya sima ni uburyo bubiri bw'ingenzi bwo kunoza imikorere yavuzwe haruguru yo gucapa. Guhindura uburyo bwo kumena amazi mu bikoresho bikoresha sima Biragoye gushyira mu bikorwa, kandi biroroshye guteza ibibazo nko kuziba imiyoboro; kandi kugenzura imiterere ya rheological bigomba kugumana ubusugire mu gihe cyo gucapa no kwihuta mu miterere nyuma yo gusohora. Mu bushakashatsi buriho ubu, ibintu bihindura viscosity, mineral advanges, nanoclays, nibindi bikunze gukoreshwa mu guhindura imiterere ya rheological y'ibikoresho bishingiye kuri sima kugira ngo bigere ku musaruro mwiza wo gucapa.
Hydroxypropyl methylcellulose (HPMC) ni polymer isanzwe ikungahaye ku bunini. Imigozi ya hydroxyl na ether ku muyoboro wa molekile ishobora guhuzwa n'amazi yigenga binyuze mu migozi ya hydrogen. Kuyishyira muri beto bishobora kunoza uburyo ihurirana n'amazi. Kugeza ubu, ubushakashatsi ku ngaruka za HPMC ku miterere y'ibikoresho bishingiye kuri sima bwibanda cyane ku ngaruka zayo ku gutemba, kubika amazi, na rheology, kandi ubushakashatsi buke bwakozwe ku miterere y'ibikoresho bishingiye kuri sima byacapwe mu buryo bwa 3D (nk'uburyo bwo gusohora, guhagarara, nibindi). Byongeye kandi, kubera kutagira amahame amwe yo gucapa mu buryo bwa 3D, uburyo bwo gusuzuma ubushobozi bwo gucapa ibikoresho bishingiye kuri sima ntiburamenyekana. Uburyo bwo guhagarara bw'ibikoresho bupimwa hakurikijwe umubare w'ibice byacapwe bifite impinduka zikomeye cyangwa uburebure ntarengwa bwo gucapa. Uburyo bwo gusuzuma bwavuzwe haruguru bugenzurwa n'uburyo bworoshye bwo gusuzuma ibintu, uburyo budakwirakwira hose, n'uburyo bugoye bwo kubikoresha. Uburyo bwo gusuzuma imikorere bufite ubushobozi n'agaciro gakomeye mu ikoreshwa ry'ubuhanga.
Muri iyi nyandiko, ibipimo bitandukanye bya HPMC byashyizwe mu bikoresho bishingiye kuri sima kugira ngo byongere ubushobozi bwo gucapa bwa sima, kandi ingaruka z'ibipimo bya HPMC ku miterere ya sima yo gucapa ya 3D zasuzumwe neza hifashishijwe kwiga ubushobozi bwo gucapa, imiterere ya rheological n'imiterere ya mekanike. Hashingiwe ku miterere nk'ubushyuhe. Hashingiwe ku bisubizo by'isuzuma, sima ivanze n'ingano nziza ya HPMC yatoranijwe kugira ngo igenzurwe, kandi ibipimo by'ingenzi by'ikintu cyacapwe byarageragejwe; hashingiwe ku nyigo y'imiterere ya mikorosikopi y'icyitegererezo, hasuzumwe uburyo bw'imbere bw'imikorere y'ibikoresho byo gucapa. Muri icyo gihe, hashyizweho ibikoresho bishingiye kuri sima yo gucapa ya 3D. Uburyo burambuye bwo gusuzuma imikorere yo gucapa kugira ngo buteze imbere ikoreshwa ry'ikoranabuhanga ryo gucapa rya 3D mu rwego rw'ubwubatsi.
Igihe cyo kohereza ubutumwa: 27 Nzeri 2022