Polycaprolactone CAS 24980-41-4

I. Ahantu ho gucapa hakoreshejwe 3D: Ibikoresho byiza byo gukoresha kugira ngo birusheho kuba byiza kandi bihindurwe

Mu rwego rwo gucapa ibintu mu buryo bwa 3D (inganda ziyongera), polycaprolactone PCL yabaye imwe mu bikoresho by’icapiro bya 3D bishobora kwangirika bitewe n’aho bishongesha (hafi 60℃), uburyo bwo gushonga neza no gukomera kw’imibanire hagati y’ibice. Polima ya PCL ikwiriye cyane cyane inzira za tekiniki nka fused Deposition modeling (FDM) na stereolithography, kandi ikoreshwa cyane mu bihe bikurikira:

Gukora icyitegererezo n'ibishushanyo mbonera byihariye:Polycaprolactone PCL ifite ubushyuhe buringaniye bwo guhindura ubushyuhe, bigatuma idakunda kugorama cyangwa gucikagurika mu gihe cyo gucapa. Ishobora kwigana neza imiterere igoye (nk'ibishushanyo mbonera by'ibice bya mekanike n'ibishushanyo mbonera by'ubwubatsi), kandi ibice byacapwe bifite ubuso bworoshye cyane, bidasaba ko bikorerwaho ibizamini byinshi nyuma yo kubitunganya. Hagati aho, imiterere ya Polycaprolactone PCL ishobora kwangirika ituma ikoreshwa mu buryo "bukoreshwa rimwe" (nk'ibishushanyo mbonera by'ibice by'imodoka), ikagabanya imyanda y'ibikoresho.

Icapiro rya 3D mu buvuzi bw'ibinyabuzima Nk'ibikoresho bifite ubushobozi bwo guhuza neza ibintu:Polycaprolactone PCL iragaragara cyane mu gucapa ibyuma bitunganya imiterere y'uturemangingo. Mu guhindura uburemere bwa molekile y'ibikoresho cyangwa kubivanga n'ibintu bikora ku buzima nka hydroxyapatite (HA) na collagen, ibyuma bito bihuye n'ibikenewe mu mikurire y'uturemangingo nk'amagufwa na cartilage birashobora gutegurwa. Urwego rushobora kwangirika buhoro buhoro mu mubiri, bigatanga umwanya wo gushyigikira uturemangingo dushya. Kuri ubu, polymer ya PCL yakoreshejwe mu bushakashatsi bwo gucapa mu buvuzi nko gusana amagufwa no kuvugurura uruhu.

Mu rwego rw'uburezi n'ubuhanzi:Aho gushonga kwa polycaprolactone PCL hasi bituma icapwa ritabaye ngombwa ko hakoreshwa ibikoresho bishyuha cyane, bigatuma habaho umutekano mwinshi. Irakwiriye nk'ibikoresho byo gutangira gucapa mu buryo bwa 3D mu burezi. Polycaprolactone PCL ikoreshwa mu gukora ibishushanyo mbonera byo kwigisha (nk'ibishushanyo mbonera by'ingingo z'umuntu n'imiterere ya molekile). Hagati aho, imiterere yayo yo guhinduka buhoro buhoro mu bushyuhe bw'icyumba inashyigikira urwego rwo guhanga udushya mu gukora ibikoresho by'ubuhanzi cyangwa ibikoresho by'ibikinisho bifite imiterere ihinduka.

Ii. Ahantu ho gupakira ibiryo hakoreshejwe ikoranabuhanga: Ingwate ebyiri zo kwangirika kw'icyatsi n'umutekano

Mu rwego rwo gupfunyika ibiryo bikoreshwa mu gihe cyo gukoresha, polycaprolactone PCL yabaye ubundi buryo bw'ingenzi bwo gusimbura plastiki gakondo idapfa kwangirika (nka polyethylene na polypropylene) bitewe nuko ibora neza, ifite imiterere myiza yo kubuza ibiryo kwangirika ndetse n'umutekano wo gukora ku biryo, bigafasha gukemura ikibazo cy' "umwanda w'umweru". Uburyo bw'ingenzi bwo kuyikoresha burimo

Agapaki/agapfunyika k'ibiribwa gashobora kwangirika:PCL ishobora kuvangwa no guhindurwa hakoreshejwe ibikoresho karemano bya polymer nka sitashi na aside polylactic (PLA) kugira ngo yongere ubushobozi bwo guhangana n’amazi mu bikoresho, kandi igakorwamo udupira cyangwa imifuka yo kubikamo ibiryo bishya (nk'imbuto n'imboga) n'ibiryo bitetse - ubwo bwoko bw'ibipfunyika bushobora gukoreshwa mu bidukikije karemano (nk'ubutaka n'aho bifumbira) polycaprolactone PCL ishobora kwangirika buhoro buhoro ikaba dioxyde de carbone na amazi mu mezi 6 kugeza kuri 12 idasize umwanda. Hagati aho, polymer ya PCL ifite ubushobozi bwo kudahinduka mu binyabutabire kandi ntigira ingaruka ku mavuta cyangwa ibintu bikomoka kuri aside mu biribwa, byujuje ibisabwa ku bijyanye n'umutekano w'ibikoresho bikoreshwa mu biribwa (nk'icyemezo cya FDA).

Ibikoresho byo ku meza bishobora gukoreshwa mu gihe cyo gukoresha ibiryo:Binyuze mu gusya cyangwa gukoresha uburyo bwo gushyushya, polycaprolactone PCL ishobora guhuzwa n'imigozi y'ibimera (nk'imigozi y'ibyatsi, imigozi y'imigano) kugira ngo ikore amasanduku yo kurya, amasahani, ibyuma, amakanya n'ibindi bicuruzwa. Ubu bwoko bw'ibicuruzwa ntibufite ubushobozi bwo gutwara imizigo gusa kandi ntibushobora kwihanganira ubushyuhe (bushobora kwihanganira ubushyuhe bw'ibiryo bishyushye bwa 60-80℃), ahubwo na polymer ya PCL ishobora kwangirika binyuze mu gukora ifumbire nyuma yo kuyikoresha, hirindwa kwanduza ibidukikije igihe kirekire guterwa n'ibikoresho bisanzwe bya pulasitiki. Ikwiriye cyane cyane ahantu hakoreshwa cyane mu gupfunyika nk'ibicuruzwa byo mu rugo n'ibiryo byihuse.

Iii. Ishami ry'ibikoresho by'ubuvuzi: Ibikoresho by'ingenzi bifasha mu guhuza imikorere y'ibinyabuzima no guhuza imikorere y'umubiri

Mu rwego rw'ibice by'ubuvuzi, polycaprolactone (PCL) yabaye igikoresho cy'ingenzi mu gukora ibice by'ubuvuzi n'ibice birinda indwara bitewe n'umutekano wayo mwiza, igipimo cyayo cyo kwangirika gishobora kugenzurwa ndetse n'imiterere yayo ya mekanike. Amabwiriza y'ingenzi yo kuyikoresha arimo:

Ibibaho byo gusana ibikoresho by'ubuvuzi:Mu nzego nk'ubuvuzi bw'amagufwa n'ubuvuzi bw'amenyo, polycaprolactone PCL ishobora kongera imbaraga zayo mu mikorere binyuze mu guhindura (nk'ihuza hydroxyapatite na tricalcium phosphate), kandi igakorwamo utubaho two gusana amagufwa afite inenge n'utubaho two gusana amagufwa ya alveolar. Nyuma yo gushyirwa mu mubiri w'umuntu, ubu bwoko bw'utubaho ntibushobora gutanga ubufasha bwihuse ku magufwa yangiritse gusa, ahubwo bunagabanuka buhoro buhoro hamwe no kongera kuvugururwa kw'amagufwa y'umubiri, birinda ibyago byo kubagwa bwa kabiri kugira ngo bivanwe. Hagati aho, kuba polycaprolactone PCL ikora neza bishobora kugabanya kwangwa kw'ubudahangarwa bw'umubiri nyuma yo gushyirwa mu turemangingo, bigatera imbaraga zo gufatana kw'uturemangingo no guhuza ingirabuzima fatizo, kandi byakoreshejwe mu kubaga amagufwa mu buryo budakunze kugaragara.

Ibibaho byo kwirinda no kwirinda indwara:PCL ifite ubushobozi bwiza bwo gukora filime no kuyirinda kandi ishobora gukorwamo utubaho two kwitandukanya n’abaganga (nk’utubaho two kurinda inkuta mu byumba byo kubagamo n’utundi duce two kwitandukanya n’ubuso bw’ibikoresho by’ubuvuzi). Ubu bwoko bw’utubaho ntiburinda gusa kwinjira kwa bagiteri na virusi, ahubwo bunagira ubushobozi bwo kwitandukanya n’imiti yica udukoko. Bushobora kwihanganira guhanagurwa kenshi n’imiti yica udukoko irimo alcool na chlorine, kandi bushobora kwangirika nyuma yo gutabwamo, bigagabanya umuvuduko w’imyanda yo kwa muganga. Byongeye kandi, polycaprolactone PCL ishobora kandi guhuzwa n’imiti irwanya udukoko (nk’iyoni z’ifeza) kugira ngo bwongere imikorere irambye y’utubaho two kurinda udukoko, bigatuma tuba dukwiye kugerwaho n’ibintu bifite ibisabwa byinshi mu isuku y’ibidukikije, nko mu mashami y’indwara zandura na icus.

Iv. Izindi nzego: Imbuga z'inyongera zikora neza

Uretse ibice by'ingenzi byavuzwe haruguru, polycaprolactone PCL inagira uruhare mu bintu byinshi:

Irangi n'amakori:Polycaprolactone PCL, nk'igice cy'ingenzi cy'imyambaro ishingiye ku mazi cyangwa ishingiye ku binyabutabire, ishobora kongera ubushobozi bwo koroshya, kurwanya ingaruka no kurwanya ikirere cy'imyambaro - urugero, iyo ikoreshejwe mu gitambaro cyo hanze cy'imiyoboro y'icyuma, ishobora kugabanya guturika kw'imyambaro bitewe no gufungana kw'imiyoboro bitewe n'impinduka z'ubushyuhe. Polycaprolactone PCL ikoreshwa nk'igitambaro cyo hejuru ku bikinisho bya pulasitiki, bigatuma igitambaro kidashira kandi kidakunda gushwanyagurika. Byongeye kandi, kubera ko PCL ubwayo idahumanya, ishobora kuzuza amahame y'umutekano ku bikinisho by'abana. Byongeye kandi, kongera polymer ya PCL ku gitambaro bishobora no kunoza ibara ry'igiti no kongera imiterere.

Ibikoresho by'ubuhinzi:Polycaprolactone PCL ikorwamo amafilimi y'ubuhinzi ashobora kwangirika, akoreshwa mu gutera imbuto, kubika amazi n'ifumbire. Nyuma yo kwangirika, ashobora guhinduka ibintu by'umwimerere mu butaka, hirindwa kwanduzwa n'ubutaka guterwa na filimi zisigaye. Cyangwa ishobora gukorwamo ifumbire isohora buhoro buhoro kugira ngo igenzure igipimo cyo kurekura intungamubiri, kandi polymer ya PCL ishobora kunoza igipimo cyo gukoresha ifumbire. Ikimenyetso cya "kwangirika gugenzurwa" cya PCL gihura neza n'ibikenewe mu buhinzi kugira ngo "imikorere" n' "ibidukikije bibe byiza", kandi ahanini gikoreshwa mu gukemura ibibazo by'umwanda w'ibikoresho gakondo by'ubuhinzi.

Uburyo bwo guhindura ibintu bivanze:Polycaprolactone PCL ivangwa na polyolefini, polyester n'ibindi bikoresho kugira ngo byongere ubushobozi bwabyo bwo koroha no gukomera, bigatuma ikoreshwa mu bintu bikenewe cyane kugira ngo ibikoresho bikore neza, nk'ibice by'imbere by'imodoka n'ibikoresho byo mu rugo.

Guhindura Fibre/Imyenda:Polycaprolactone PCL ikoreshwa mu gusiga cyangwa guhindura imigozi ya polyester na ipamba kugira ngo yongere uburibwe, idashira kandi irwanye iminkanyari. Urugero, kongeramo imigozi ya PCL ku myenda ya siporo bishobora gutuma imyenda irushaho kurambuka no kudahinduka. Gushyira PCL mu migozi ya gynace yo kwa muganga bishobora kongera uburyo gynace ifata amazi n'ubudahinduka, bigatuma ifata neza uruhu, no kugabanya ububabare buterwa no gushwanyagurika kw'ibikomere.