Nhau - Kufumura Chibage Starch muBioplastics: Chii Chinoita Basa Rayo?

Muhupenyu hwedu hwezuva nezuva, zvigadzirwa zvepurasitiki zviri kwose kwose.Nekudaro, kuwedzera kuri kuita nyaya dzezvakatipoteredza kunokonzerwa nemapurasitiki echinyakare kwakakurudzira vanhu kutsvaga dzimwe nzira dzakasimba.Apa ndipo panopinda bioplastics.Pakati pavo, starch yechibage inoita basa rakakosha sechinhu chakajairika mubioplastics.Saka, basa rei chaizvocornstarch mu bioplastics?

1.Chii chinonzi Bioplastics?
Bioplastics mapurasitiki akagadzirwa kubva kune zvinogonekazve zviwanikwa zvakaita sezvirimwa kana tupukanana.Kusiyana nemapurasitiki echinyakare, bioplastics inogadzirwa kubva kune zvinogonekazve zviwanikwa, nekudaro zvichikonzera kushomeka kwezvakatipoteredza.Chibage starch, pakati pavo, chinowanzo shandiswa sechimwe chezvinhu zvakakosha mu bioplastics.

2.Basa reChibage Starch muBioplastics

Corn starch inonyanya kushanda mabasa matatu makuru:
Cornstarch inoita basa mukusimudzira, kudzikamisa uye kugadzirisa zvivakwa mu bioplastics.Iyo polymer inogona kusanganiswa nemamwe biodegradable polymers kana plasticizers kugadzira zvimiro zvakatsiga.Nekuwedzera zvinowedzerwa zvakakodzera kune chibage starch, kuoma, kushanduka uye kuderera kwehuwandu hwebioplastics inogona kugadziriswa, ichiita kuti ive yakakodzera kune akasiyana mashandisirwo mamiriro.
Kuvandudza Mechanical Strength: Kuiswa kwechibage starch kunogona kuvandudza kuoma uye kusimba kwesimba rebioplastics, zvichiita kuti riwedzere kusimba.

Kuvandudza Mafambisirwo Ekuita: Kuvapo kwechibage starch kunoita kuti bioplastics iwedzere kuumbwa panguva yekugadziriswa, kufambisa kugadzirwa kwezvinhu zvakasiyana siyana.

Pamusoro pezvo, starch yechibage ine yakanakisa biodegradability.Pasi pemamiriro akakodzera ezvakatipoteredza, tupukanana tunogona kuputsa chibage sitachi kuita zviri nyore organic komisheni, pakupedzisira zvigowana kuparara kwakazara.Izvi zvinobvumira bioplastics kuti igadzirwe zvakare mushure mekushandiswa, kuderedza kusvibiswa kwezvakatipoteredza.

Zvisinei, starch yechibage inopawo mamwe matambudziko.Semuenzaniso, munzvimbo dzepamusoro-tembiricha kana dzakanyorova, bioplastics inowanzorasikirwa nekugadzikana, inokanganisa hupenyu hwavo uye kuita kwavo.Kugadzirisa nyaya iyi, masayendisiti ari kushanda pakutsvaga zvitsva zvekuwedzera kana kuvandudza maitiro ekugadzira kuti awedzere kupisa kwekudzivirira uye hunyoro kuramba kwebioplastics.

3.Zvikumbiro zveCorn Starch muSpecific Bioplastics

Iko kushandiswa kwechibage starch mune chaiyo bioplastics inosiyana zvichienderana neinodiwa zvivakwa uye chinangwa chekushandiswa kwechigadzirwa chekupedzisira.Heino mienzaniso mishoma:

Polylactic Acid (PLA): PLA inonzi bioplastic inowanzobva kune chibage starch.Corn starch inoshanda sechikafu chekugadzira lactic acid, iyo inozoitwa polymer kuita PLA.PLA yakasimbiswa nechibage starch inoratidza yakagadziridzwa michina zvinhu, senge kusimba kwesimba uye kupikisa kuramba.Uyezve, kuwedzerwa kwechibage starch kunogona kusimudzira biodegradability yePLA, zvichiita kuti ive yakakodzera kushandiswa uko kunonyanya kunetsa kwezvakatipoteredza, senge.disposable cutlery, kurongedzerwa kwechikafu, uye mafirimu ekurima mulch.

Polyhydroxyalkanoates (PHA): PHA imwe mhando yebioplastic inogona kugadzirwa uchishandisa chibage starch seyakagadzirwa kabhoni.Chibage starch chinoviriswa nema microorganisms kugadzira polyhydroxybutyrate (PHB), inova mhando yePHA.PHAs dzakasimbiswa nechibage starch dzinowanzova nekudzikama kwemafuta uye michina yemagetsi.Aya ma bioplastics anowana mashandisirwo muzvikamu zvakasiyana, kusanganisira kurongedza, zvigadzirwa zvekurapa, uye zvekurima.

Starch-Yakavakirwa Bioplastics: Mune zvimwe zviitiko, chibage starch inogadziriswa zvakananga kuita bioplastics pasina kudiwa kwemamwe matanho epolymerization.Starch-based bioplastics inowanzove ine musanganiswa wechibage starch, plasticizers, uye additives kuvandudza processability uye magumo-kushandisa zvivakwa.Aya bioplastics anoshandiswa mumashandisirwo akadai semabhegi anoraswa, midziyo yechikafu, uye inoraswa tableware.

Kusanganiswa nemamwe maBiodegradable Polymers: Chibage starch inogona zvakare kusanganiswa nemamwe mapolymers anoodegradable, akadai sepolyhydroxyalkanoates (PHA), polycaprolactone (PCL), kana polybutylene adipate-co-terephthalate (PBAT), kugadzira bioplastics ine zvimiro zvinoenderana.Izvi zvinosanganiswa zvinopa chiyero chesimba remagetsi, kuchinjika, uye biodegradability, zvichiita kuti ive yakakodzera kune akasiyana maapplication kubva pakurongedza kusvika kune zvekurima.

4. Mhedziso

Basa rechibage starch mubioplastics rinopfuura kuwedzera kushanda;inobatsirawo kudzikisa kutsamira pamapurasitiki echinyakare peturu, achifambisa kuvandudzwa kwezvinhu zvine hushamwari.Nekufambira mberi mune tekinoroji, isu tinotarisira kuona zvimwe zvigadzirwa zvebioplastic zvakavakirwa pazviwanikwa zvinogoneka senge chibage starch.

Muchidimbu, starch yechibage inoita basa rakasiyana-siyana mubioplastics, kwete kungosimudzira kugadzikana kwemapurasitiki asiwo inosimudzira biodegradability, nekudaro ichideredza kukanganisa kwezvakatipoteredza.Nekuenderera mberi kwetekinoroji uye hunyanzvi, bioplastics yakagadzirira kuita basa rakakura mukuunza mamwe mabhenefiti kunharaunda yePasi redu.

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