Mu kwiga ku ngaruka za dosiye zitandukanye za hydroxypropyl methylcellulose (HPMC) ku icapiro, imiterere ya rheologiya hamwe nubukanishi bwa minisiteri yo gucapa 3D, haganiriwe ku kigero gikwiye cya HPMC, kandi hasesenguwe uburyo bwacyo bwifashishwa na microscopique morphologie.Ibisubizo byerekana ko umuvuduko wa minisiteri ugabanuka hamwe no kwiyongera kwibirimo bya HPMC, ubwo ni bwo extrudability igabanuka hamwe no kwiyongera kwa HPMC, ariko ubushobozi bwo kugumana amazi buratera imbere.Gukabya;igipimo cyo kugumana imiterere no kwinjirira munsi yuburemere bwiyongereye cyane hamwe no kwiyongera kwa HPMC, ni ukuvuga, hamwe no kwiyongera kwa HPMC, gutondeka neza kandi igihe cyo gucapa kikaba kirekire;duhereye ku mvugo ya rheologiya, hamwe no kwiyongera kw'ibirimo muri HPMC, ubwiza bugaragara, guhangayikishwa n'umusaruro hamwe na plastike ya plastike ya slurry byiyongereye ku buryo bugaragara, kandi stackability iratera imbere;thixotropy yabanje kwiyongera hanyuma igabanuka hamwe no kwiyongera kwibirimo bya HPMC, kandi icapiro ryateye imbere;ibikubiye muri HPMC byiyongereye cyane bizatera ububobere bwa minisiteri kwiyongera n'imbaraga Birasabwa ko ibikubiye muri HPMC bitagomba kurenga 0,20%.
Mu myaka yashize, icapiro rya 3D (rizwi kandi ku izina rya "gukora inyongeramusaruro") ryateye imbere byihuse kandi ryakoreshejwe henshi mubice byinshi nka bioengineering, icyogajuru, no guhanga ibihangano.Uburyo butagira uburyo bwa tekinoroji yo gucapa ya 3D bwateje imbere cyane ibikoresho kandi Ubworoherane bwibishushanyo mbonera nuburyo bwubwubatsi bwikora ntibukiza cyane abakozi, ariko kandi birakwiriye kubikorwa byubwubatsi ahantu hatandukanye.Ihuriro rya tekinoroji yo gucapa 3D hamwe nubwubatsi ni udushya kandi twizeye.Kugeza ubu, ibikoresho bishingiye kuri sima 3D Uburyo bwo guhagararira icapiro nuburyo bwo gutondekanya ibicuruzwa (harimo na kontour yubukorikori bwa kontour) hamwe no gucapa beto hamwe no guhuza ifu (inzira ya D-shusho).Muri byo, uburyo bwo gutondekanya ibicuruzwa bufite ibyiza byo gutandukana gutandukanye nuburyo busanzwe bwo kubumba, birashoboka cyane ko binini binini hamwe nigiciro cyubwubatsi.Inyungu yo hasi yahindutse ubushakashatsi bwibanze bwa tekinoroji yo gucapa 3D yibikoresho bishingiye kuri sima.
Kubikoresho bishingiye kuri sima bikoreshwa nk "ibikoresho bya wino" mugucapisha 3D, ibyo basabwa gukora biratandukanye nibindi bikoresho rusange bishingiye kuri sima: kuruhande rumwe, hari ibisabwa bimwe na bimwe kugirango imirimo ikorwe na sima ivanze, kandi, inzira yubwubatsi igomba kuba yujuje ibisabwa kugirango ikorwe neza, Ku rundi ruhande, ibikoresho bishingiye kuri sima byakuweho bigomba kuba byegeranye, ni ukuvuga ko bitazasenyuka cyangwa ngo bihindurwe ku buryo bugaragara bitewe n’uburemere bwacyo n’igitutu cya hejuru.Byongeye kandi, uburyo bwo kumurika bwo gucapisha 3D butuma ibice hagati yurwego Kugirango hamenyekane neza imiterere yubukanishi bwakarere ka interineti, ibikoresho byububiko bwa 3D byo gucapa bigomba no gufatana neza.Muncamake, igishushanyo cya extrudability, stackability, hamwe na adhesion yo hejuru yateguwe icyarimwe.Ibikoresho bishingiye kuri sima nimwe mubisabwa kugirango hakoreshwe ikoranabuhanga ryo gucapa 3D mu rwego rwo kubaka.Guhindura inzira ya hydration hamwe na rheologiya yibikoresho bya sima ni inzira ebyiri zingenzi zo kunoza imikorere yo gucapa hejuru.Guhindura inzira ya hydration yibikoresho bya sima Biragoye kubishyira mubikorwa, kandi biroroshye gutera ibibazo nko guhagarika imiyoboro;no kugena imiterere ya rheologiya ikeneye gukomeza gutembera mugihe cyo gucapa no kwihuta kwubaka nyuma yo kubumbabumbwa.Mu bushakashatsi burimo gukorwa, abahindura viscosity, imyunyu ngugu, nanoclays, nibindi bikoreshwa muguhindura imiterere ya rheologiya ya sima. ibikoresho kugirango ugere kubikorwa byiza byo gucapa.
Hydroxypropyl methylcellulose (HPMC) ni polymer isanzwe.Amazi ya hydroxyl na ether kumurongo wa molekile urashobora guhuzwa namazi yubusa binyuze mumigozi ya hydrogen.Kwinjiza muri beto birashobora kunoza neza ubumwe bwayo.no gufata amazi.Kugeza ubu, ubushakashatsi ku ngaruka za HPMC ku miterere y’ibikoresho bishingiye kuri sima byibanda ahanini ku ngaruka zabyo ku mazi, gufata amazi, na rheologiya, kandi ubushakashatsi buke bwakozwe ku miterere y’ibikoresho bishingiye ku icapiro rya sima rya 3D ( nka extrudability, stackability, nibindi).Byongeye kandi, kubera kubura ibipimo ngenderwaho bimwe byo gucapa 3D, uburyo bwo gusuzuma bwo gucapura ibikoresho bishingiye kuri sima ntiburashyirwaho.Ubusobekerane bwibikoresho bisuzumwa numubare wacapishijwe ibice bifite ihinduka rikomeye cyangwa uburebure bwo hejuru bwo gucapa.Uburyo bwo gusuzuma bwavuzwe haruguru bugengwa na subitivitike yo hejuru, isi yose, kandi inzira igoye.Uburyo bwo gusuzuma imikorere bufite ubushobozi bukomeye nagaciro mubikorwa bya injeniyeri.
Muri iyi nyandiko, ibipimo bitandukanye bya HPMC byinjijwe mubikoresho bishingiye kuri sima kugirango bitezimbere icapiro rya minisiteri, kandi ingaruka za dosiye ya HPMC kumiterere ya 3D icapura za minisiteri zasuzumwe byimazeyo hifashishijwe icapiro, imiterere ya rheologiya hamwe nubukanishi.Hashingiwe ku miterere nka fluidity Bishingiye ku bisubizo by'isuzuma, minisiteri ivanze n'umubare mwiza wa HPMC yatoranijwe kugirango icapwe neza, kandi ibipimo bijyanye n'ikigo cyacapwe byarageragejwe;hashingiwe ku bushakashatsi bwakozwe na microscopique morphologie yicyitegererezo, hasuzumwe uburyo bwimbere bwimikorere yimikorere yibikoresho byacapwe.Muri icyo gihe, hashyizweho ibikoresho byo gucapa 3D bishingiye ku sima.Uburyo bwuzuye bwo gusuzuma imikorere ishobora gucapwa hagamijwe guteza imbere ikoreshwa rya tekinoroji ya 3D mu bijyanye nubwubatsi.
Igihe cyo kohereza: Nzeri-27-2022