Puas yog polypropylene yog biodegradable yas?

Puas yog polypropylene yog biodegradable yas?

Ib tug neeg nug yog tias polypropylene yog cov yas degradable?Yog li cia kuv ua ntej to taub dab tsi yog degradable yas?Cov yas degradable yog ib yam khoom uas ua tau raws li ntau yam kev ua tau zoo, thiab nws qhov kev ua tau zoo tsis hloov thaum lub sijhawm khaws cia.Tom qab siv, nws tuaj yeem degraded nyob rau hauv tej yam ntuj tso ib puag ncig rau hauv cov khoom uas tsis muaj teeb meem rau ib puag ncig.Cov yas no yog cov yas degradable.

Cov yas degradable tau muab faib ua cov yas photodegradable, biodegradable plastics, thiab lwm yam, feem ntau siv cov yas degradable xws li PHA, APC, PCL, thiab lwm yam.Polypropylene tsis yog nyob rau hauv qeb ntawm degradable plastics.Los ntawm cov lus piav qhia saum toj no ntawm cov yas degradable, peb tuaj yeem paub tias qhov sib txawv ntawm cov yas degradable yog tias lawv tuaj yeem degraded nyob rau hauv ib puag ncig ntuj, thiab cov khoom degradable tsis muaj teeb meem thiab tsis muaj kev puas tsuaj rau ib puag ncig.Polypropylene hais feem ntau ntxiv nrog antioxidants thiab degradants, uas nyuaj rau degrade.Nws yuav siv sij hawm 20-30 xyoo kom degrade, thiab nyob rau hauv cov txheej txheem yuav tso co toxins, polluting ib puag ncig thiab av.Raws li cov ntshiab polypropylene, nws cov khoom tsis tuaj yeem ua tau raws li ntau yam kev xav tau, tsis ruaj khov, thiab yooj yim degraded thiab oxidized.