Ikhaya NomkhayaIzesekeli

Ukudla Okufakiwe. Polymer futhi zemvelo

Kunzima ukucabanga ukuthi ngisho engamashumi amabili nanhlanu edlule izitolo zokuthenga ukudla noma izitolo zokuthenga ukudla amancane, nezitolo ezinkulu futhi ningagcini, isembozo ukudla ifilimu is hhayi ngisho wezwa. Cabanga ukupakisha imikhiqizo ngobuningi ukudla - isikhwama paper, okuyinto ngobuhlakani buchitha ngawe umnyango umdayisi zokudla. Cottage shizi ku yobisi umnyango - e okufanayo isikhwama. Yogurt isibilile nezitini kuphela glass amabhodlela, ubisi ukhilimu omuncu, futhi, noma ngaso sonke kampompi ngesikhathi ibhange lakho noma bidonchik. Zazithola amaphuzu ingilazi iziqukathi. Esiqintini movie-sci-fi noma nomdlandla, kumnandi! Lapho siphishekela wenduduzo ize yokuzijabulisa ngabe sikhohliwe ukunambitheka imikhiqizo yemvelo, akukho ezifana elikhanyayo ukukhangisa amaphakheji ezikhangayo futhi simema, kodwa lezi esiphundu, futhi okubaluleke kakhulu, ewusizo. Ngakho-ke, sizama ukuthola ezihlukahlukene emaphaketheni izinto imikhiqizo ukudla nokulandela zabo izindinganiso zenhlanzeko kanye nokukhucululwa kwendle, njengoba ezweni lanamuhla ngaphandle kwabo akwanele.

Izidingo Eziyisisekelo upakisha

Namuhla, mina igcwele konke futhi yonke indawo. Kodwa ubungayiphendula kanjani hhayi ukuphazamisa noma ukuheha ezithakazelisayo, ungakhohlwa ukuthi ukudla emabhokisini kufanele ngokuyinhloko bazivikele amagciwane, amagciwane kanye nezinye imithelela eziyingozi, nokungcoliswa kwemvelo, ugcine inani lomkhiqizo. Ukuthenga, ikakhulukazi imikhiqizo ezigugayo, udinga siyihlolisise ubuqotho emabhokisini izinga layo, isikhathi zokukhiqiza kanye emaphaketheni. Zokwenziwa plastic emaphaketheni ukuze ukudla Kufanele ube isitifiketi impilo sokuhambisana zonke izidingo inhlanzeko ekukhiqizeni yayo. kuphela kufakazela bokuphila nezinto eziphilayo harmlessness we impahla ngoba womuntu wezempilo. imikhiqizo ehlukene yezindinganiso ezazihluke nezimfuneko isitoreji kanye zokuhamba izimo, kodwa kakhulu ezinzima. izinkampani Ukuhweba futhi abakhiqizi ziyadingeka ukulandela ngokucophelela nabo.

Ukwahlukanisa ukudla emabhokisini

Kunezindlela eziningana lokugoqa ngezigaba. Okuvame kakhulu - nezinto ngalo senziwa. Imibhalo emidala kunayo yonke e Ukwahlukaniswa izinkuni, ingilazi textile emaphaketheni. Lokhu imiphongolo, amabhokisi, amathini, amabhodlela, izikhwama, nokuningi. Emhlabeni ekhulwini lesikhombisa eJalimane ke yasungulwa iphepha evala. Kusukela maphakathi nekhulu le-nesishiyagalolunye, kuye kwaba isikhumba. Kwakukhona amakhadibhodi iphepha amabhokisi in confectionery. Kwakumelwe abathwali lokuqala ukukhangisa. Amathini ekulondolozeni ebanzi ezihlukahlukene steel imikhiqizo esetshenziswa ngasekupheleni nesishiyagalombili kweyikhulu lo okungukuthi ukuqala metal esetshenziswa njengoba emaphaketheni. Ikhulu lamashumi amabili kwangenisa ngenkathi emaphaketheni yesimanje, lapho kwakukhona emaphaketheni plastic imikhiqizo ukudla. Izakhiwo impahla incike Ukwahlukaniswa eqinile nakho ngeke kusize yayo, semi eqinile ezithambile.

Kungakhathaliseki kuyiphi emaphaketheni senziwa, kuba ukukhiqizwa ukuthi upaka up nomkhiqizi ukudla noma ibhizinisi, okuyinto eyenziwa ngesikhathi amabhizinisi yohwebo. Ngokusho ukusetshenziswa cyclical kuyinto iziqukathi alahlwayo futhi esebenza. Ngokusho inombolo iphakethe - ucezu, amaningi futhi yeNgxenye Control. A kuya uya khona libhekwa ku sesivivinyo, umkhiqizo omusha, futhi evamile zemikhosi; eliphezulu umthamo, noma izingxenye ezincane. Ngaphandle isembozo ejwayelekile, noma ukuthuthukisa ngabanye yokuqala ngaphansi umkhiqizo othize noma umthengi ethile.

Izici Zabantu nokupakisha nsuku yemvelo

Endaweni yokuqala iziqukathi ukuphepha ingilazi. It ukhonza njengelungu isembozo noma yimuphi umkhiqizo ketshezi futhi kukhiqizwa ngesimo amabhodlela, amathini, amabhodlela letingemasayizi lahlukene. Glass - okokusebenza ukumelana amakhemikhali ukuthi ngeke ukulimaza ukudla, hhayi eziya ziba zimbi ukunambitheka kwalo, okuvumela ukuba sicabangele okuqukethwe. It zivikela bacterium, noma ikuphi ukungcoliswa, umswakama. Kulula ukwelashwa inhlanzeko. Ngakho-ke, ukudla ingane ngesimo puree kanye neziphuzo zezithelo Agcwele ikakhulukazi ingilazi izimbiza. Lapho bagging Izingxube ezomile senzelwe izinsana isetshenziswa kakhulu we amabhokisi futhi ephephile impahla emaphaketheni. Okuwukuphela Ububi ingilazi - brittleness, amakhadibhodi - kungenzeka ukusonteka nokuzabalazela ongaphakeme ukuze umswakama ngenxa yokuhamba okungafanele noma isitoreji. Kulaba polymer yemvelo - cellulose eyatholakala kusukela ukotini, ukukhiqiza imvelo nobungane ayinangozi emaphaketheni - esikhumba esithambile angenisa ukukhanya, isikhumba omnandi, eminye kusetshenzwe glycerol iphepha greaseproof, Cellophane. bebodwa, futhi ngokuvamile ngokuhlanganisa nezinye izimpahla ezisetshenziselwa isembozo imikhiqizo fat-aqukethe, izinongo, itiye kanye nenye igrosa.

metal emaphaketheni

amandla mechanical High, imikhiqizo sokuphepha metal ezitsheni ezahlukene eyenziwe tinplate, lashukumisa steel ukufulela, aluminium. Engxenyeni engaphakathi yayo Ukuvikelwa ukugqwala camera ayinangozi enamels ukudla, okuyinto musa ukushintsha izimfanelo ukunambitheka imikhiqizo okusemathinini. Kabanzi aluminium ucwecwe, ikakhulukazi ngokuhlanganyela enamathela ephepheni. Akukhona permeable kwezilwanyana ezincane, umoya-mpilo, elangeni, iphunga. ucwecwe laminated Luhle e lokugoqa imikhiqizo yobisi.

polymers Zokwenziwa nokudla

Ukudla emaphaketheni emakethe iye ithuthuka ngokushesha kakhulu ngokusebenzisa izinto ezahlukene zokwenziwa. emaphaketheni Plastic imikhiqizo ukudla esekelwe zokwenziwa zahlukahlukene kakhulu, kulula, akusho ukubola. Lokhu ngokuyinhloko polyolefins. Polyethylene, PE, ukuminyana obuhlukahlukene kabanzi yokugcina ukudla eqandisiwe manje ethandwa, nge okwalandela Ukushisa up ngenxa ukumelana layo eliphezulu abandayo, igesi permeability, inertness zokuphakela ngamanzi kanye nokukhuculula ezindaweni onakalisayo.

Polypropylene akuyona njengoba abandayo ukubekezela. Izinzuzo PP - ukumelana nokunwetshiwe okushisa aphakeme, + ngakho-ke isetshenziswa womshini emaphaketheni imikhiqizo inzalo.

Polyethylene athutha amelana okushisa ahlukene. PET lisetshenziswe ukukhiqizwa amabhayisikobho, amabhodlela epulasitiki kanye cleaner emaphaketheni. Lo mkhiqizo lubhekwe uma ine- mshini okuhambisanayo. Ngokwesibonelo, izimpawu ezicacile RET e phansi ibhodlela PET kubonisa ukumelana layo kunoma eziwuketshezi. A PVC - kuwuphawu ukuzinza kuphela emanzini emva wokuvula, futhi zihlangana nomoya-mpilo, ziba engenamsebenzi ngisho ingozi empilweni. Emathileyi upakisha ushizi, imikhiqizo yobisi, inyama, ukudla okunoshukela amabhokisi, nezinye izitsha ezenziwe polymers futhi copolymers ka styrene. Imikhiqizo ezenziwe polycarbonate kanzima egqoke futhi eside ukugcina izakhiwo zabo. PC iphakethe angasebenzisa ngokuphindaphindiwe. Luhlala Isikhathi Eside inayiloni impahla, okusobala, amanzi, amafutha, ukushisa kanye frost nemithi, akusho bungakhiphi izinto eziyingozi e ukudla. PA kuyinto ngempela eqolo, ngakho-ke ngokuvamile sisetshenziswa ndawonye nezinye polymers. Polyurethane nge izakhiwo afana PA, kodwa enobuthi kakhulu. Ukumaka PU ku ukudla emabhokisini akwamukeleki. impilo Iningi, iyiphi zokwenziwa emaphaketheni, sebenzisa kuphela njengoba kwakushiwo.

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