II. Igikombe cy'impapuro za ice cream gishobora kubora ni iki?
Iboraibikombe by'impapuro za ice creamBishobora kwangirika. Bigabanya umutwaro ku bidukikije. Bishobora kugabanya imyanda y'umutungo binyuze mu kubora no kongera gukoresha mikorobe. Iki gikombe cy'impapuro ni amahitamo arambye kandi adahungabanya ibidukikije. Bitanga igisubizo kirambye ku nganda zishinzwe guteka.
A. Ibisobanuro n'imiterere
Ibikombe by'impapuro bya ice cream bishobora kubora ni ibikoresho by'impapuro bikozwe mu bikoresho bishobora kubora. Binyura mu nzira yo kwangirika karemano ahantu hakwiye. Ugereranyije n'ibikombe bya pulasitiki bisanzwe, ibikombe by'impapuro bishobora kubora bifite ibi bikurikira:
1. Kurengera ibidukikije. PLA ishobora kwangirikaibikombe bya ice creambikorwa mu bimera. Bityo, bishobora kubora mu bidukikije karemano. Ibi bishobora kugabanya umwanda ku bidukikije. Bigira ingaruka nziza ku kurengera ibidukikije by'Isi.
2. Ishobora kongera gukoreshwa. PLA ikorwa mu bintu bishobora kongera gukoreshwa, nka sitashi y'ibimera. Ugereranyije na plastiki zikoreshwa muri peteroli, uburyo bwo gukora PLA bufite ingufu nke zikoreshwa n'imyuka ihumanya ikirere. Ifite uburyo bwo kuramba kurushaho.
3. Gukorera mu mucyo. Ibikombe by'impapuro bya PLA bifite ubwiza buhagije. Ibi bishobora kwerekana neza ibara n'isura ya ice cream. Bishobora kongera ibyishimo by'abaguzi. Byongeye kandi, ibikombe by'impapuro bishobora guhindurwamo ibyabo bwite kandi bigahindurwamo ibyabo. Ibi biha abacuruzi amahirwe menshi yo kwamamaza.
4. Kurwanya ubushyuhe. Ibikombe by'impapuro bya PLA bifite imikorere myiza. Bishobora kwihanganira ibiryo ku bushyuhe runaka. Iki gikombe cy'impapuro kirakwiriye cyane mu kubika ibiryo bikonje n'ibishyushye nka ice cream.
5. Byoroshye kandi bikomeye. Ibikombe by'impapuro bya PLA biroroshye kandi byoroshye gutwara no gukoresha. Hagati aho, ibikombe by'impapuro bya PLA bikorwa binyuze mu buryo bwihariye bwo gukora ibikombe by'impapuro. Ibi bituma imiterere yabyo ikomera kandi idakunze kwangirika cyangwa kuvunika.
6. Icyemezo mpuzamahanga. Ibikombe by'impapuro bya PLA byubahiriza amahame mpuzamahanga agenga ibidukikije. Urugero, amahame y'Uburayi yo kwangirika kw'ibinyabuzima ya EN13432 n'amahame y'Abanyamerika yo kwangirika kw'ibinyabuzima ya ASTM D6400. Bifite ubwiza bwo hejuru.
B. Uburyo bwo kubora kw'ibikombe by'impapuro bishobora kwangirika
Iyo ibikombe bya ice cream bishobora kwangirika bya PLA bitaweho, ibi bikurikira ni byo bisobanuro birambuye by'uburyo byangiritse:
Ibintu by'ingenzi bituma ibikombe bya PLA bibora mu bidukikije ni ubushyuhe n'ubushyuhe. Iyo ubushyuhe n'ubushyuhe biri ku rugero ruciriritse, ibikombe bya PLA bizatangiza igikorwa cyo kubora.
Ubwoko bwa mbere ni hydrolysis.igikombe cy'impapuroItangira igikorwa cyo gushonga hakoreshejwe ubushuhe. Ubushuhe n'udukoko twinjira mu mikorobe no mu myenge mu gikombe cy'impapuro maze bigakorana na molekile za PLA, bigatuma habaho ihinduka ry'imiterere.
Ubwoko bwa kabiri ni hydrolysis ya enzymatic. Enzymes ni catalysts za biochemical zishobora kwihutisha reactions zo kubora. Enzymes ziri mu bidukikije zishobora gukurura hydrolysis y'ibikombe bya PLA. Bicagagura polymers za PLA mo molekile nto. Izi molekile nto zizagenda zishonga buhoro buhoro mu bidukikije kandi zirusheho kubora.
Ubwoko bwa gatatu ni ukubora kwa mikorobe. Ibikombe bya PLA bipfundikiye bishobora kubora kuko hari mikorobe nyinshi zishobora kubora PLA. Izi mikorobe zizakoresha PLA nk'ingufu zikayihindura dioxyde de carbone, amazi, na biomass binyuze mu kwangirika no kubora.
Igipimo cyo kwangirika kw'ibikombe by'impapuro bya PLA giterwa n'ibintu byinshi. Nk'ubushuhe, ubushyuhe, imiterere y'ubutaka, n'ingano n'ubugari bw'ibikombe by'impapuro.
Muri rusange, ibikombe by'impapuro bya PLA bisaba igihe kirekire kugira ngo byangirike burundu. Uburyo bwo kwangirika kw'ibikombe by'impapuro bya PLA bukunze kubaho mu nganda zikora ifumbire cyangwa ahantu hakwiye. Muri byo harimo ibintu bishobora gutuma habaho ubushuhe, ubushyuhe, n'imikorere ya mikorobe. Mu myanda yo mu ngo cyangwa ahantu hatabereye, igipimo cyo kwangirika kwabyo gishobora kuba gito. Bityo, mu gihe cyo gufata ibikombe by'impapuro bya PLA, hagomba gukorwa ibishoboka byose kugira ngo bishyirwe mu buryo bukwiye bwo gutunganya imyanda. Ibi bishobora gutanga imiterere myiza yo kwangirika.